简述超长钻孔桩钢筋笼施工工艺、阐述了钢筋笼短线法施工过程,同时指出了施工中应注意的问题。
The construction technology of reinforcement skeleton for super-long bored piles is briefly introduced and major points of attention during construction are pointed.
结合实际工程,对嵌入卵石层钻孔灌注桩后压浆设计、施工中后压浆方法的选择、注浆量的确定、后压浆桩的承载力计算、后压浆在超长桩中的应用等进行了研究。
Based on actual projects, it carries out research on the choice of post-grouting method, grouting quantity and bearing capacity of bored pile, and the application of post-grouting in super-long pile.
阐述了超长大直径钻孔灌注桩桩端承载力的影响因素,包括施工工艺、深度效应和尺寸效应等。
The bearing capacity of super-long and large-diameter bored pile tip is influenced by the facts including construction process, depth effect, size effect and so on.
通过温州软土地基中超长钻孔灌注桩静载荷试验和桩身轴力的测试,探讨了软土地基中超长钻孔灌注桩的承载力性状和荷载传递机理。
In this article, the bearing capacity behavior and load transfer mechanism of super long bored pile in Wenzhou soft clay are discussed, on the basis of the static loading test and axial force test.
在没有良好的持力层(基岩或砂、卵石层)和成熟经验可借鉴的情况下,对第四系土层大直径超长桩(钻孔灌注桩)的承载特性进行了分析。
The bearing characteristic of large diameter and super-long pile in quaternary soil layer is analyzed in the case of no good bearing layer (such as rock, sand and cobble layer) and no ripe experience.
当前的规范主要是针对中短桩建立而成的,对于超长大直径钻孔灌注桩的设计,其针对性不强,存在适应性问题。
The current standard mainly establishes at the aim of short intermediate pile, the design method of the long and large diameter bored piles is less targeted and its applicability is not wide.
通过沿海某大型火电厂主厂房地基中超长钻孔灌注桩静载试验和桩身轴力测试,探讨软土地基中超长钻孔灌注桩的承载力性状和荷载传递机理。
According to the static loading test and the axial force test, the bearing capacity and load transfer mechanism of the over-length pile in the littoral soft clay are discussed.
结合大直径超长桩试桩得到的试验资料,应用有限元方法分析了压浆对大直径超长钻孔灌注桩承载性能的影响。
Effects of grouting on the bearing behavior of bored pile are analyzed with the finite element method in accordance with the test results of large diameter over length piles.
结合大直径超长桩试桩得到的试验资料,应用有限元方法分析了压浆对大直径超长钻孔灌注桩承载性能的影响。
Effects of grouting on the bearing behavior of bored pile are analyzed with the finite element method in accordance with the test results of large diameter over length piles.
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