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coefficient of extension line or coefficient of development line
展线系数
overlapping line
套线
track plan or line plan
线路平面图
track profile or line profile
线路纵断面图
length of station site
站坪长度
grade of station site
站坪坡度
control section or controlling section
控制区间
minimum radius of curve
最小曲线半径
circular curve
圆曲线
simple curve
单曲线
transition curve or easement curve or spiral transition curve
缓和曲线
rate of easement curvature or rate of transition curve
缓和曲线半截变更率
compound curve
复曲线
curves of same sense or adjacent curves in one direction
同向曲线
reverse curve or curve of opposite sense
反向曲线
intermediate straight line or tangent between curves
夹直线
grade or gradient or slope
坡度
double spur grade
人字坡
ruling grade or limiting grade
限制坡度
pusher grade or assisting grade
加力牵引坡度
maximum grade
最大坡度
critical grade
临界坡度
long steep grade or long heavy grade
长大坡度
momentum grade
动力坡度
balanced grade
均衡坡度
harmful district
有害地段
harmless district
无害地段
point of gradient change or breake in grade
变坡点
grade section
坡段
length of grade section
坡段长度
algebraic difference between adjacent gradients
坡度差
vertical curve
竖曲线
level stretch between opposite sign gradient
分坡平段
slight grade or flat grade or easy grade
缓和坡度
flat gradient for starting
起动缓坡
easy gradient for acceleration or accelerating grade
加速缓坡
compensation of gradient or gradient compensation or grade compensation
坡度折减
compensation of curve or curve compesation
曲线折减
compensation of gradient in tunnel or compensation grade in tunnel
隧道坡度折减
detouring section or round section
绕行地段
change side of double line
换侧 or 换边
allowable stress design method
容许应力设计法
plastic stage design method
破损阶段设计法
limit state design method
极限状态设计法
probabilisatic limit state design method
概率极限状态设计法 or 可靠度设计法
seismic coefficient method
地震系数法
subgrade or road bed or formation subgrade
路基
rock subgrade
岩石路基
permeable soil subgrade or pervious embankment
渗水土路基
non-permeable soil subgrade or impervious embankment
非渗水土路基
subgrade of special soil
特殊土路基
subgrade in soft soil zone or subgrade in soft or clay region
软土地区路基
subgrade in bog zone or subgrade in morass region or subgrade in swampland
泥沼地区路基
subgrade in swelling soil zone or subgrade in expansive soil region
膨胀土地区路基 or 裂土地区路基
subgrade in salty soil zone or subgrade in saline soil region
盐渍土地区路基
subgrade in permafrost soil zone
多年冻土路基
subgrade under special condition
特殊条件下的路基
embankment on plain river beach
河滩路堤
embankment on river bank
滨河路堤
subgrade in reservoir or embankment crossing reservoir
水库路基
subgrade in rock fall district or subgrade in collapse zone
崩塌地段路基
subgrade in rock deposit zone or subgrade in talus zone or subgrade in scree zone
岩堆地段路基
subgrade in slide
滑坡地段路基
subgrade in karst zone
岩溶地段路基 or 喀斯特地段路基
subgrade in cavity zone or subgrade in cavern zone
洞穴地段路基
subgrade in windy and sandy zone or subgrade in desert
风沙地段路基
subgrade in snow damage zone or subgrade in snow disaster zone
雪害地段路基
subgrade in debris flow zone
泥石流地段路基
subgrade cross-section
路基横断面
subgrade surface or formation
路基面
width of the subgrade surface or formation width
路基面宽度
road crown or subgrade crown
路拱
Road shoulder or subgrade shoulder
路肩
formation level or shoulder level
路肩高程
embankment or fill
路堤
cut or road or cutting
路堑
part-cut and part-fill section or cut and fill section
半堤半堑
subgrade bed or formation
基床
surface layer of subgrade bed or formation top layer or surface layer of subgrade
基床表层
bottom layer of subgrade or formation base layer or bottom layer of subgrade bed
基床表层
general subgrade or ordinary subgrade
一般路基
minimum fill height of subgrade or minimum height of fill
最小填筑高度
critical height
临界高度
foundation base or base
基底
side slope of embankment or fill slope talus
路堤边坡
toe of side slope
坡脚
berm
护道
borrow pit
取土坑
embankment fill material or embankment filler or filling material of embankment
路堤填料
classification of filling material
填料分类
rock block filler or rock filler or rock fill
岩块填料
coarse-grained soil filler or coarse-grained soil fill
粗粒土填料
fine-grained soil filler or fine-grained soil fill
细粒土填料
compacting criteria
压实标准
relative density
相对密度
compacting factor or compacting coefficient
压实系数
optimum moisture content or best moisture content
最佳含水量
optimum density or best density
最佳密度
determination of nuclear density-moisture
核子密度湿度测定
determination of bearing slab of subgrade
路基承载板测定