TEST STUDY OF DX PILE WITH FOUR BULBS AT XI'AN SXD PROJECT
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摘要: 通过现场静荷载试验,对桩身穿越黄土地层并设置在可塑粉质黏土中的四节承力盘DX桩的极限承载力进行判定,分析其荷载传递机理,并对该桩的侧阻力和端阻力的分配及其发展规律进行了研究。Abstract: Static loading tests for DX piles with four bulbs installed in plastic clay were conducted in field. Their ultimate bearing capacities are determined, its load transfer mechanism is analysed, and the distribution and development of the skinfriction resistances, the bulb resistances and the tip resistances of DX pile are studied.
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Key words:
- DX pile /
- bulb bearing /
- static loading test /
- ultimate bearing capacity /
- skin-friction resistance /
- bulb resistance /
- tip resistance
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[2] .沈保汉. DX 挤扩灌注桩的荷载传递特点[J]. 工业建筑, 2008, 38(5) : 5-12. .沈保汉, 贺德新. DX 挤扩灌注桩与DX 液压挤扩装置[J]. 工业建筑, 2008, 38(5): 1-4. [3] .沈保汉. DX 挤扩灌注桩竖向抗压极限承载力的确定[J]. 工业建筑, 2008, 38(5): 13-17, 27. [4] .沈保汉, 贺德新, 孙君平, 等. DX 挤扩灌注桩的施工及质量管理[J]. 工业建筑, 2008, 38(5): 28-31. [5] .沈保汉. 荷载传递实例及荷载传递与位移的关系[J]. 工业建筑, 1991, 21(3): 47-52. [6] .沈保汉, 刘兴禄. 202 工程钻孔灌注桩试验研究[J]. 建筑技术科研情报, 1978(5): 7-27.
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