Zhang Yankun, Liu Yanghua, Song Xiaoruan. EXPERIMENTAL STUDY ON FLEXURAL BEARING CAPACITY OF PROFILED STEEL SHEET-LIGHT-WEIGHT AGGREGATE CONCRETE FLOOR SLABS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 83-85. doi: 10.13204/j.gyjz200808021
Citation:
Sun Ying-xia, Zhang Zhi-hao, Wang Jin-an. FAILURE PATTERN STUDY AND STABILITY ANALYSIS OF PILE FOUNDATION IN KARST AREA[J]. INDUSTRIAL CONSTRUCTION , 2012, 42(9): 96-102. doi: 10.13204/j.gyjz201209021
Zhang Yankun, Liu Yanghua, Song Xiaoruan. EXPERIMENTAL STUDY ON FLEXURAL BEARING CAPACITY OF PROFILED STEEL SHEET-LIGHT-WEIGHT AGGREGATE CONCRETE FLOOR SLABS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 83-85. doi: 10.13204/j.gyjz200808021
Citation:
Sun Ying-xia, Zhang Zhi-hao, Wang Jin-an. FAILURE PATTERN STUDY AND STABILITY ANALYSIS OF PILE FOUNDATION IN KARST AREA[J]. INDUSTRIAL CONSTRUCTION , 2012, 42(9): 96-102. doi: 10.13204/j.gyjz201209021
FAILURE PATTERN STUDY AND STABILITY ANALYSIS OF PILE FOUNDATION IN KARST AREA
1.
1. Central Research Institute of Building and Construction,MCC,Beijing 100088,China;
2.
2. China Jingye Engineering Corporation Limited,Beijing 100088,China;
3.
3. Beijing University of Science and Technology,Beijing 100083,China
Received Date: 2011-10-21Publish Date:
2012-09-20
Abstract
Based on the indoor model test, the stability analysis of the rock mass in karst area affected by pile was carried out by numerical simulation with the finite difference method.From the calculation results, it was obtained the changing procedure of the stress and the internal strain of the rock mass around the karst cave under pile load and the failure surface position, and put forward the effective stability criterion of the pile in karst area.It was also summarized the failure mode and failure mechanism of piles foundation in karst area, including pile foundation damage and the surrounding rock mass failure of the cave.The failure mode was mainly affected by the size of the karst cave, the load location, the roof thickness, and etc, in which the roof thickness was the main influence factors
References
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