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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