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1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 51 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.11.2 General recommendations for bar curtailments in slabs (clause 3.12.9.1+)
Face of support
—M support
Ta min
Top bars shown
42 LapTO SUIT staggered.
Bottom bars shown
alternate.
END SPAN INTERNAL SPAN
Key Ta= Tension Anchorage Length E = Effective End Anchorage... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 52 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 15 Minimum tension reinforcement in slabs
Spacing of minimum tension reinforcement
(3.12.5.2.)+ Table 3.27
=a
F, = 460N/mm? b = 1000 F, = 250N/mm? b = 1000
0.13%... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 53 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.21.3 Tabular method
Combinations of informa-
tion such as bar mark, bar
type and size, bar pitch, etc.
can be scheduled alongside
the detail. This will tend to
reduce congestion on the drawing and improve checking
procedures, computer methods and the work of the
quantity surveyor Each typical bar should... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 54 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.22.2 In section — drawn where required to clarify
the fixing
(a) Bars in elevation are repre-
sented by thick line with mark
indicator. 64
First and last bars in a zone are 63
indicated by a dot in section with
appropriate mark.
(c) Curtailed bars are identified by
short 30° obliques with 2 3
appropriate... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 55 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.24 Shear reinforcement in slabs (where minimum 5.2.26 Fabric reinforcement in slabs
depth = 200mm) (3.5.5.3+) Table 3.177
Generally provided by vertical links which also serve as
chairs.
5.2.24.1 Flat slabs (3.7.6+)
(a) Column shear heads
G.7.7.54)
(i) A minimum of 2
shear perimeters 8
are spaced at... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 56 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
(c)
(d)
(ii) Laps in fabric
The need for laps
should be kept to a
minimum and, where
required, should be
located away from
regions of high tensile t
force. Allow sufficient
clearance to a
accommodate any ~
‘multi-layering’ of
sheets at laps,
reducing these 3 sheets lap.
occurrences
where possible by 2 shee... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 57 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.30 Examples of detailing
5.2.31 Typical one-way spanning slab
8T10-7-200 T1
37716-6-200T) 447 20-8-125 T) stg
20T 10-4-200 T2 stg .
10 T10-S-200 T2
-
Al 150
20T10-3-200 B2
supports
sls 19T20-1] 200 Bi
drg $7 18T20-2} alt
PLAN Cover T1=20
(@) B1= 20
End= 40
6 8 stg : Stagg... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 58 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.32 Typical ribbed-slab panel
17R Baal 300
178-13) FANS 17 8-14-30 links
10T16-6-T2 10T10-7-T2 10T25-8-T2 stg
2 per rib 2 per rib 2 per rib.
See
drg B11
© oH - - Zt
PL tL | + al ||
~
I é | 3T25-9-T1 stg.
Mel ft Tt per
8T 25-10-125 T1 stg.
1550
1325
PL
iT | [tty oy NT TE 4
2000
Pa
PC
sit | [s|
... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 59 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.33 Typical flat-slab panel
16112 -9-250T2
12T 20- 7-200
12725-10-200
12 |r stg
18T12 -8- 200 15716 -11-250
®
8T16-13-250
Tis
12725-12-175
2000
9T12-14-250 T1
tt |
* ela dll M
ars th ie Jere (4+5) (3+3)
111 25- 21 on @175
cols.
ll
See 6125-3
an siol BT 25-4 1200 B2alt.
10T 20-5 Cover T1=30
175 ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 60 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.34 Typical flat-slab panel (tabular method)
PLAN
Fixing information
Layer- Pitch (mm)
¢ cols
M« | Type/size | No.bars |] Layer-Pitch(mm) | M< | Type/size | No.bars
BI m5 |---| 725 7 || t2 200 |-9-| T12
250 |-2-] 125 9 250 |-10-| T12
ws | -3-] 125 6 200 |-n-| 12s
4-| 125 343 250 | -12-| 116... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 61 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.2.35 Typical flat-slab panel showing fabric reinforcement
ut fabric to
uit hole.
PART PLAN-
BOTTOM FABRIC
+BARS
IStructE Detailing Manual
PART PLAN-
TOP FABRIC
PT type [Main [Secondary
712 e 100
T8 @ 200
T12e@ 150
T16e@ 150
Cover: T1 = 20
Bi = 15
End = 40
Mi... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 62 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.3 COLUMNS
5.3.10 Design information
These data are output from the approved calculations for
each column type and should indicate:
(a) General
(i) concrete grade to determine laps, durability,
ete.
(ii) cover requirements to vertical bars or links
Wy type of reinforcement and any size restrictions
iv) r... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 63 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Each column type is sche-
duled, indicating storey
height, floor levels, kicker
heights and depth of hori-
zontal member. The verti-
cal reinforcement and links
are added to the schedule
and bar mark location iden-
tified from a mid-storey
height section. Additional
sections may be added for
special features... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 64 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.3.23 Other requirements for columns
5.3.23.1 Special notes for columns
In addition to standard notes for reinforcement drawings
(see subsection 2.8) the following note should appear on all
column drawings:
Nominal cover to links.....mm, unless noted.
5.3.23.2 Column heads
Column head shear reinforceme... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 65 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.3.30 Examples of detailing
COLUMN SCHEDULE
Column tas
Type'C-27No | 3B8,4B-27 No
COLUMN ELEVATIONS
©
Roof SFL
0
_t
2716-9
14R8-10-200
°
a
14R8-10- 200
ist SFL
| 13R8-2-240
T-— SS
|L see drg.....
COLUMNS 3B,4B (2 No)
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IStructE Detailing Manual ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 66 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4 BEAMS
5.4.10 Design information
These data are output from the calculations for each span
and the designer should indicate:
(a) For beams designed and detailed in accordance with BS
8110 simplified rules (for bar curtailment rules etc. see
subclause 5.4.11.1)
(i) concrete grade to determine laps, dur... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 67 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4.11 Code requirements for beams
5.4.11.1 Curtailment and areas of bars based on BS 8110 simplified rules (Fig 3.24, 3.12.10+)
Assumptions:
(a) Continuous spans are approximately equal (within 15% of longest)
(b) Beams support dominantly uniformly distributed loads
(c) Characteristic imposed loads do n... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 68 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4.11.2 Bar curtailments for beams based on BS 8110: general recommendations (3.12.9+)
Ta = Tension Anchorage Length or effective depth d whichever is the greater
N = Nominal 129 or beam effective depth d whichever is the greater
Face of support
(See 5.4.11.3
esi PAL ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 69 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 18 Areas of reinforcement for various link combinations
nominal | no. off areas, mm?
bar link pitch of links (maximum 0).75d), m... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 70 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 19 Minimum areas of shear reinforcement
minimum area links (A,,) at any section
v= 0.4 bySy pitch of links along beam(s,), maximum 0.75d
0.87 fy mm
mm? 100 1S0 200 250 300 350 400
ys N/mm? 250 460 250 460 250 460 250 460 250 460 250 460 250 460
y
150 28 15 42 23 56 30 69 38 83 45 97... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 71 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 21. Minimum areas of reinforcement, mm? Table 3.2.27+ (3.12.5.3+)
Flanged beams
web in tension due to flexure
breadth of web, mm
fy = 460 N/mm-* 250 300 350, 400 450 500 600
web/flange <0.4 | 204] <... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 72 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 22 Minimum areas of reinforcement, mm? Table 3.277 (3.12.5.3+)
Flanged beams
flange in tension due to flexure over a continuous support
breadth of web, mm
fy = 460 N/mm? 250 300 350, 400 450 300 600
f... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 73 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4.20 Detailing
5.4.21 Methods of detailing beams
Careful consideration should be given to the relationship of
the beam with its column junction, including the construc-
tion technique to be adopted. General-arrangement draw-
ings and design calculations should be at their final stage.
5.4.21.1 Splice-ba... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 74 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
(i) Single zone, single links For wider beams use shape code 73 73
End links should be a maximum of 0.5 pitch inside | — which has no hooks, but anchor ends
the edge of support with minimum 8d straight beyond the
bend. These links can also be employed nominally rein-
forced side beams, with one leg extended... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 75 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4.30 Examples of detailing
5.4.31 Splice-bar method A B
1500
CLOSERS 19R8-9-300
LINKS RI0-8 | 2x8@150, £225 11@300
19R8-17-300
TYPICAL SECONDARY BEAM
SPACERS 2725-10
3 3
{i 22 7 eunates
A-A B-B c-c D-D
Previous page
IStructE Detailing Manual is blank 87 | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 76 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.4.32 Alternative method A *
1500 {
CLOSERS 13 R8-9-300
11@300
LINKS R10-6 | 2x8@150, 5-225
25] (in pairs)
2716-12
TYPICAL SECONDARY BEAM
SPACERS 2725-10
9
5 S S$ 15
8 17
3 3 1121211
221 Bundied
A-A B-B c-c
88 IStructE Detailing Manual | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 77 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.5 FOUNDATIONS
This subsection deals with the following types of founda-
tions: \
‘T) O
pads
pilecaps
tie beams for pilecaps x
strip A
ground beams
continuous footings
anchor or strap beams type | Fabric Reinforcement
rafts. BS reference
The methods of detailing these items, in particular tie
beam... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 78 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
(d)
(e)
()
(g)
75mm. Where concrete is cast against blinding con-
crete, the nominal cover should be a minimum of
40mm (excluding blinding).
Minimum area of reinforcement (3.12.5.3t)
Refer to subsections 5.2 and 5.4.
Maximum area of reinforcement (3.12.67)
Refer to subsection 5.4.
Spacing of reinforce... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 79 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.5.30 Detailing
5.5.31 Pad footings
5.5.31.1 Introduction
These can be detailed in two ways:
(i) traditional method
(ii) tabular method
5.5.31.2 Tradition method
This method in normally used when the project is small or
when there is little repetition. Individual pad footings are
detailed usually in t... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 80 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.5.32.2 Tabular method
This can be successfully employed when large numbers of
pilecaps and/or repetitious details are required. The table
should contain all the relevant information as for pad
footings plus pile-cut off levels and hoop-steel details.
‘X’ relates to lettered grids
‘Y’ relates to lettered ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 81 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.5.36 Continuous footings
These are footings that
sustain two or more col-
umns, often in ground of
low bearing capacity and
where the centres of the \
columns are so close that independent pad footings would
be so large and so close together that they become
uneconomic. '
Care must be taken that adequate
... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 82 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.5.40 Examples of general arrangement drawing for foundations
1250-00N_
©)
500/500
4000
@)
500/500
4500
4500
Q)
500/500
00
3 PILE LAYOUT
3 € Pile
CUTOFF L.| MIN TOE L. | REMARKS
1-8
RAKE 1:15
94 TStructE Detailing Manual
Luvsige of pilecap
29-31
28,4084... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 83 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.6 WALLS
5.6.10 Design information
These data are output from the approved calculations for
each wall type, which should indicate:
(a) concrete grade, to determine laps, durability, etc.
(b) design type assumed, i.e. plain or reinforced vertical
loadbearing wall, propped or full cantilever retaining
wal... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 84 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Link pitch
max
% 06 6mm min
Additional hori-
zontal restraining
links should be pro-
vided through the
thickness of the
wall when the area Vert. bars 6 (2-4 *%e}
of vertical com-
pression reinforcement exceeds 2%. Link spacing
should not exceed twice the wall thickness in any
direction, Any unr... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 85 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 23 Optimum bar spacing for varying % reinforcement and different wall thicknesses
minimum
bar nominal size
mm
reinforcement 8 | 10 | 12 16
wall thickness, mm
% 100 | 150 | 200 | 250 | 300 | 100 | 150 | 200 250 | ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 86 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.6.20 Detailing
5.6.21 Method of detailing walls
Most walls are detailed on elevation supplemented by
sections drawn to clarify the fixing, especially at member
junctions, openings, etc. The concrete profile dimensions
are abstracted from the relevant general-arrangement
drawings, which together with the d... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 87 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.6.23 Other requirements
5.6.23.1 Special notes
In addition to the standard notes for reinforcement draw-
ings (see subsection 2.8), the following notes should appear
on all wall drawings.
(a) cover to outer reinforcement NI....F1....End....
(b) bar-layer notation: Near face outer bar N1
Near face second ba... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 88 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.6.30 Examples of detailing
5.6.31 Typical internal wall panel
3-200 NI
17T10-
17710 > ]3-200 Fi
17710 -2- 200
17T10-2 -
2712-1
WALL 'B’ ®
A-A Cover: N1 = 20
F1= 20
End = 20
IStructE Detailing Manual 101
[FORMULAS]
N1 = 20; F1= 20; End = 20 | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 89 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.7 STAIRS
5.7.10 Design information
Requirements for stairs are similar to those indicated for
slabs (see subsection 5.2).
Flight
9 Equal treads
Architectural
finishes shown
°
Tread or going
Storey height
20 Equal risers
Riser
PR Bag Fite tine
Pitch SAA)
na... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 90 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
5.7.20 Detailing
5.7.21 Methods of detailing stairs
In all cases concrete profiles are extracted from the relevant
general-arrangement drawings. Each different flight is
drawn in section to a suitable scale, and the appropriate
reinforcement is carefully related to the profile.
5.7.21.1 Simple flights
Th... | diagram | |
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5.7.30 Examples of detailing
7712 -4-150 B1
7712-3-150 Bl
ee
SF 4leb DULL el
PSS SHEEC TT) Ti
|| eH
4710-2-300 T2
10T 10-2-300B2
4110-6-300B2 3-475
4710-6-300T2
|
|
| SFL
LT | lao RS gT10-2-30072
15T10-5-150 | | eH
U-Bars
| | |_|
10T10-2-300B2
... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 92 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
6.1 Concrete inserts
6.1.1 Types
Concrete inserts may be of the following types:
cast-in
bonded with resins
bonded with cementitious grout
expanding
shot-fired.
Fixings are usually characterized by their shape. or the
way in which anchorage to the concrete is achieved and
sometimes by the purpose for wh... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 93 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Two column links should be This detail is suitable when using 20mm bars
Placed close to corbel top or greater for the main tensile reinforcement
Distance between edge of bearing
and inside of bar to be a minimum
of the bar size or cover
whichever is greater
|
Main tensile bars welded
to across bar of equa... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 94 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Two column links should be This detail is suitable when using 16mm size bars
placed close to corbel top or smaller for main tensile reinforcement
4
Distance between edge of bearing
and inside of bar to be a minimum
of the bar size or cover
whichever is greater
Ll ty
= 7 HT
t
Tension la... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 95 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Horizontal forces
When corbels are designed to resist horizontal forces then
additional reinforcement should be provided to transmit
this force in its entirety. This reinforcement should be
welded to the bearing plate.
6.2.2 Concrete nibs
Nibs are not usually greater than about 300mm deep. For
detailing r... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 96 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Effective
depth
Tied to at least two Horizontal ‘U’ bars.
main longitudinal bars Size to be not more
than 16
Lacer bars to be same
diameter as ‘U' bars
Pitch of ‘U'bars to be not more
than 3x effective depth
Sectional plan on A-A
Fig. 33
IStructE Detailing Manual 111 | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 97 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Check that any fixings required do
not interfere with reintorcement
j<—a B B
1
| |
AT toRer!-
Nominal hanser links
‘U' bar 2
Distance between edge of
bearing and inside of bar to
be a minimum of the bar size
or cover whichever is
the greater
‘u’ bar same size
as main bottom
Tension
a... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 98 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
7.1 Introduction
Design and detailing of prestressed concrete are to a large
extent inseparable and this section is therefore addressed to
the designer/detailer. Only those structural members that
are commonly used are reviewed, although the principles
are applicable to other prestressed concrete members.
... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 99 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Tendon
locations
Dimensions to suit >
aggregate size and 4 {
concrete compaction _.|
Pretensioned section
Fig. 37 Symmetrical tendon locations
also available in several diameters (see Tables 24, 25
and 26).
(b) Post-tensioning anchorages should be of proprietary
manufacture and meet the requirem... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 100 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Table 24 Dimensions and properties of cold-drawn wire from Table 4 of BS 5896: 1980
nominal diameter | nominal tensile strength | nominal cross-section | nominal mass | specified characteristic breaking load
mm N/mm? mm? e/m | kN
7 1570 38.5 302 60.4
7 1670 64.3
6 1670 28.3 222 47.3
6 1770 50... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 101 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Plastic vent pipes should be adequately supported —
possibly by the insertion of a loose-fitting reinforcing bar or
length of prestressing strand.
The grouping of grouting and vent pipes at a single point
should be avoided.
Grout
pipes
A Vent pipes
a
‘ > 2
99}
a----—
cc
oT
Qo1
oe
Fig. 40 Gro... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 102 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
sufficient space for the operators to stand alongside the (c) Tensile stresses occurring on the faces of end
jack.
Where the permanent works cause a temporary obstruc-
tion to the stressing operations, they should be detailed to
allow for the completion of construction after stressing,
e.g. wing and facing... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 103 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
(ii) As well as the tensile forces described above there are
significant compressive forces in end blocks, particu-
larly immediately behind the anchorages, which must
be resisted by the concrete. The reinforcement should
be detailed to allow the concrete to be properly placed
and compacted.
7.4.2 Secondary... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 104 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
When tendons are located in the webs of beams that are
curved in plan (see Fig. 49), the lateral force from the
tendon is balanced by the combined lateral forces from the
compressions in the web and flanges. The distribution of
forces induces bending in the web that should be resisted by
reinforcement.
The ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 105 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
to an increase in the diameter of the tendon because of the
Poisson effect.
This transmits a radial compressive force into the
concrete that is balanced by circumferential tensile forces.
Adequately anchored reinforcement should be provided
over the whole transmission length to resist these forces. If .
t... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 106 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Where prestressed concrete structures are formed on
long-span falsework that has greater flexibility than that of
the permanent structure, consideration should be given to
the effect of any residual deflection of the falsework
imposing additional upward forces on the permanent
structure on completion of the ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 107 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Pe Pere Pere
be bo be baba
Elevation of tendon profiles.
Fig. 58 Transverse reinforcement in post-tensioned box girder
Fig. 59 Post-tensioned end block — bursting reinforcement
IStructE Detailing Manual 123 | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 108 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
OC
LE ISS]
Note:
Some of this reinforcement
resists shear forces
Fig. 61 Post-tensioned end block — vertical equilibrium reinforcement
124 IStructE Detailing Manual | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 109 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
=e
oS
Note:
Some of this reinforcement
resists diaphragm bending
moments
Fig. 62 Post-tensioned end block — horizontal equilibrium reinforcement
25
\ Note:
t Detail repeats over full
Anchorage height of silo
1000 1000
25
=|
|
Circumferential ¢ Buttress
strand te... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 110 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
126
*
So
So190\1o
OlEm~! ao °
LI LE
a
J
SS
14500. O
15500 5
16500 ,
2
So
wo
QD
q——o
13500
q
“a
i
White 43000 ait
20n0.
JEOLOROROLOTOROTORORORORE
6 bs
Blue "9000 TTT
OO ®
{i—
a
iT
PT
Se IT
tte
a
Tendon layout
A-A '
... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 111 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
A
—~-—Tendor
4
40 i
ns tied tomesh —
a
1. Height given is from soffit of sab to underside of tendon
2. Diameter of support bar is 10mm
Fig. 65 Flat slab - tendon profile and typical support bar layout
IStructE Detailing Manual 127 | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 112 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
inoky] juawarsofuias — Quis IL 99 “31g
€l
21QD4
OL l. | “&
up)d 400) 4
(ZL-Z+lL-2+79-Z
+19-2) 7L-ZLLe
0021
(ON Z1),A, SUNOS
3D Sipq |DIIdAL
Z1002-2-Z118
71002 -8-Z118
(50a N)
OOE -OL-Z2118Z
11 00Z-9-ZL1E
ZL 00Z-S-Z119
(ZL -%+28-2)
(ON ZL), x, SuuN}oo 2 bt-Olly
yD SIDq |DDIdAL... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 113 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Detailing of precast concrete work requires special disci-
plines that do not occur with in situ concrete. The reason for
these are:
The precast unit is, by definition, transported after it is
made before it can be incorporated in the works.
The unit is often incorporated into a ready built or part
built s... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 114 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Grid line Grid line
4215 1500 1500
Special cast in sockets for
lifting device
50 Dia hole
50 Dia hole
Structural
floor level
Cast in sockets for
leveling bolts, see detail
'
i — A
Typical elevation panel type Section A-A
P103 22No.requiredthus 1:25 ... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 115 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
9 Water-retaining structures
9.1 General
Water-retaining structures will in general be detailed in
accordance with the recommendations for normal rein-
forced concrete structures except that the provision of
reinforcement, spacing of reinforcement, cover and dura-
bility requirements are generally more one... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 116 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
Fig. 68 Examples of movement joints
Non -absorbent
joint filler
Sealing compound on
one or both faces
Wall
No steel
continuity
Centre bulb
waterstop
Initial gap for
expansion
(a) Expansion joints
Sealing compound on
one or both faces
No concrete continuity
and no initial gap
W... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 117 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
10
10.1 Essential references for detailers
10.1.1 BS 4466 Specification for bending dimensions
and scheduling of reinforcement for concrete
10.1.2 BS 1192 Construction drawing practice
Part i: Recommendations for general prin-
ciples
Part 2: Recommendations for architectural
and engineering drawings
Par... | diagram | |
1585848076Standard_Methods_of_Detailing_Structural_Concrete_2nd_Edition.pdf | 118 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
CIS 5}274 HMSO 1989813120 MM 8886148 DP 4d?
PART IV
Special procedural provisions for certain orders
18. Preliminary
19. Special provisions for consolidation orders
20. Minor orders
21. Special provisions for experimental traffic orders
22. Special provisions for orders giving permanent effect to expe... | diagram | |
3.Standard Method of Detailing Structural Concrete.pdf | 4 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [NATIVE TEXT]
IStructE/Concrete Society Standard Method of Detailing Structural Concrete
iii
CONTRIBUTORS
Constitution of Steering Group
J K Kenward BEng(Tech) CEng FIStructE MICE MIHT (Hyder Consulting Ltd) Chairman
R Bailey* CEng MIStructE (Milbank Floors)
R Bloomer** BSc CEng MICE (BRC)
B Bowsher (UK CARES)
P S C... | mixed | |
3.Standard Method of Detailing Structural Concrete.pdf | 5 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [NATIVE TEXT]
IStructE/Concrete Society Standard Method of Detailing Structural Concrete
[TABLES]
[[{"0": "IStructE/Concrete Society Standard Method of Detailing Structural Concrete"}], []] | mixed | |
3.Standard Method of Detailing Structural Concrete.pdf | 6 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [NATIVE TEXT]
CONTENTS
1
Introduction and scope
1
2
Communication of information
3
2.1
General
3
2.2
The reinforcement process
3
2.3
Designer detailing
6
2.4
Contractor detailing
6
2.5
Electronic data interchange (EDI)
6
2.6
Examples of typical methods of providing the required information for det... | mixed | |
3.Standard Method of Detailing Structural Concrete.pdf | 11 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [NATIVE TEXT]
IStructE/Concrete Society Standard Method of Detailing Structural Concrete
[TABLES]
[[{"0": "IStructE/Concrete Society Standard Method of Detailing Structural Concrete"}], []] | mixed | |
3.Standard Method of Detailing Structural Concrete.pdf | 13 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [NATIVE TEXT]
IStructE/Concrete Society Standard Method of Detailing Structural Concrete
[TABLES]
[[{"0": "IStructE/Concrete Society Standard Method of Detailing Structural Concrete"}], []] | mixed | |
3.Standard Method of Detailing Structural Concrete.pdf | 54 | Analyze this page with diagrams, tables, formulas, calculations, and explanations. | [OCR TEXT]
a, is for the effect of the shape of the bars assuming
adequate cover
@)_ is for the effect of concrete minimum cover (see
Figure 5.3)
a3 is for the effect of confinement by transverse
reinforcement
a4 is for the influence of one or more welded
transverse bars (0, > 0.60) along the design
anchorage length... | diagram |
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