在水电站压力引水钢管或钢蜗壳外表敷设软垫层材料以满足结构受力要求的工程措施称之为垫层管或垫层蜗壳。
The penstock and spiral case with elastic layer are defined as a engineering measure of having flexible layer material surrounding it to meet the needs of bearing loads in structure.
检测开挖的管槽尺寸，特别是水平高程、斜度是否满足设计要求，垫层是否夯实。
Check the dimensions of dug pipe channel, especially the grade level, inclination against design requirements, check to see whether the bedding is rammed hard enough.
基于该模型分析了褥垫层模量、桩间距、桩长、土体模量等因素对现浇薄壁管桩复合地基承载性能的影响。
Based on the model, the effect of cushion stiffness, pile spacing, pile length and soil modulus on the bearing capacity was analyzed.
管桩加固软土地基作为一种新型的软土路基的加固形式，是一种柔性基础下刚性垫层的复合地基，与承台下柔性垫层复合地基存在较大差异，在设计中存在对其工作性状认识不清的情况。
Soft soil foundation reinforced by tubular pile is a type of rigid cushion composite foundation under flexible base, and it is different from flexible cushion composite foundation under rigid base.
管桩加固软土地基作为一种新型的软土路基的加固形式，是一种柔性基础下刚性垫层的复合地基，与承台下柔性垫层复合地基存在较大差异，在设计中存在对其工作性状认识不清的情况。
Soft soil foundation reinforced by tubular pile is a type of rigid cushion composite foundation under flexible base, and it is different from flexible cushion composite foundation under rigid base.
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