high-strength prestressed pipe pile 高强预应力管桩
low strength pile composite foundation 低强度桩复合地基
high strength concrete grouting pile 高强混凝土灌注桩
pile ' s strength 桩身强度
pile s strength 桩身强度
pile shaft strength 桩身强度
pile material strength 桩身材料强度
pile structural strength 桩身结构强度
low strength pile 低强度桩
This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.
本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。
Single pipe pile shows sliding failure at interface and cannot utilize the strength of material; the bearing capacity and deformation ability are low.
结果表明，现行的单钢管桩属于界面的粘结破坏，承载力低，变形能力弱，不能充分发挥材料特性。
The strength of pile foundation rock decides directly engineering quality and security.
桩基岩石强度直接决定工程质量和安全。
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