|Table of Contents|

Empirical Checking Method for Soil Nailing Anti-pulling Capacity(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2010年02期
Page:
18-24
Research Field:
Publishing date:
2010-06-20

Info

Title:
Empirical Checking Method for Soil Nailing Anti-pulling Capacity
Author(s):
YANG Min1; 2;  LIU Bin1; 2
1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
Keywords:
foundation excavation;  composite soil nailing wall;  soil nailing anti-pulling capacity;  prestressed anchor;  mixing pile
PACS:
TU431
DOI:
-
Abstract:
Based on the analysis on the measured value and location of the maximum axial force of soil nailing according to the 11 engineering tests located in Beijing, Guangzhou and other areas, an empirical checking method for soil nailing anti-pulling capacity was proposed, which included the soil pressure of trapezoidal distribution and the potential slip surface of bilinear lines. The present method was calculated for soil nailing, the prestressed anchor plus soil nailing composite retaining and the mixing pile(micro-pile)plus soil nailing composite retaining. Combining with the engineering examples, the proposed method was compared with the methods of Chinese Technical Specification for Retaining and Protection of Building Foundation Excavations(JGJ 120—99)and Technical Specification for Soil Nailing in Foundation Excavations(CECS 96:97). Results show that this method can meet the design requirement of soil nailing anti-pulling capacity, and can offer references for further research on the design methods of composite soil nailing walls.

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Last Update: 2010-06-20