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A platform for research: civil engineering, architecture and urbanism
Deep foundation pit grading support excavation method suitable for sand-gravel stratum condition
According to the deep foundation pit grading supporting excavation method used under the sand-gravel stratum condition, a three-layer supporting system is formed through profile steel supporting, shotcrete-anchor supporting and hanging net shotcrete, and the defect that in the prior art, a large-area grouting reinforcement foundation is needed to ensure the stability of a soil body after foundation pit excavation can be effectively overcome; according to the method, large-range grouting for reinforcing the soil body is not needed, the construction period is relatively short, the cost is lower, and the road surface cannot be polluted.
本发明提供了一种用于砂卵地层条件下的深基坑分级支护开挖的方法，通过型钢支撑、喷锚支护以及挂网喷浆形成三层支护体系，有效解决了传统技术需要大面积注浆加固地基才能保证基坑开挖后土体稳固所存在的缺点，本发明无需大范围注浆加固土体，相对来说，工期更短，成本更低，且不会污染路面。
Deep foundation pit grading support excavation method suitable for sand-gravel stratum condition
According to the deep foundation pit grading supporting excavation method used under the sand-gravel stratum condition, a three-layer supporting system is formed through profile steel supporting, shotcrete-anchor supporting and hanging net shotcrete, and the defect that in the prior art, a large-area grouting reinforcement foundation is needed to ensure the stability of a soil body after foundation pit excavation can be effectively overcome; according to the method, large-range grouting for reinforcing the soil body is not needed, the construction period is relatively short, the cost is lower, and the road surface cannot be polluted.
本发明提供了一种用于砂卵地层条件下的深基坑分级支护开挖的方法，通过型钢支撑、喷锚支护以及挂网喷浆形成三层支护体系，有效解决了传统技术需要大面积注浆加固地基才能保证基坑开挖后土体稳固所存在的缺点，本发明无需大范围注浆加固土体，相对来说，工期更短，成本更低，且不会污染路面。
Deep foundation pit grading support excavation method suitable for sand-gravel stratum condition
一种适用于砂卵地层条件下的深基坑分级支护开挖的方法
MA LEI (author) / CHEN GANG (author) / ZHANG CHICHENG (author) / LIU GUIFU (author)
2023-03-28
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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