The practice of fabricating a pile by drilling and filling pedestal is described in the discussion.
通过工程实例介绍扩底钻孔灌注桩施工实践。
Based on the affirmation to the technology properties of artificial excavated pile, especially according to the merit of peculiar residual soil containing solitary stone granite, the author mainly expatiated appropriate pedestal, reasonable reinforcement, simpilifying foundation pile-cap design under the column to bring about economic profit on the basis of safe conduct.
在肯定人工挖孔桩的技术性能、尤其是在阐明含孤石花岗岩残积土层中独特优点的基础上,重点论述适当扩底、合理配筋与简化柱下单桩基础桩帽设计,在保证安全的前提下带来的经济效益。
Experimental research and analysis of cast-in-place piles with expanded-base and post-grouting;
扩底后注浆桩的现场试验研究与分析
The cast-in-situ pile with expanded-base and post-pressure grouting is a new type of pile foundation developed from normal cast-in-site pile, in which the construction techniques of expanded-base and post-pressure grouting are combined.
扩底后注浆灌注桩是在普通灌注桩基础上通过扩底和后注浆两种施工工艺结合所衍生出来的一种新桩型。
The pile strain of AM bulb cast-in-place pile is tested by high precision sliding micrometer,which can have high precision and reliable testing results.
采用高精度滑动测微计测试AM扩底桩在各级荷载下的桩身应变,测试精度高,测试结果可靠。
3D finite element models of belled pier in the homogeneous stratum with different elastic modulus of soils,angle of internal friction and cohesion force.
为了分析不同土体参数对扩底墩竖向承载性状的影响,利用有限单元法,建立了均匀地基中不同土体模量、内摩擦角、粘聚力的三维有限元模型,模拟分析了土体模量、内摩擦角和粘聚力变化时扩底墩的竖向承载性状。
In order to analyze the vertical bearing behavior of belled pier embedded in coarse sand at the depth of 14.
5 m扩底墩的竖向承载性状,建立了三维有限元非线性数值模型。
In order to analyze the bearing mechanism of belled pier with different dimensions,by three-dimensional finite element,a contact model of pier and soil was established.
为了分析不同尺寸条件下扩底墩的承载机理,利用三维有限元,建立墩土接触模型,分析不同墩身长度、扩底直径以及扩大头锅底高度时扩底墩的承载性状。
Three dimensional failure envelope behavior of pedestal piles;
扩底桩承载力空间屈服包络面的基本特性
Research on the anti-pull forces of the pedestal pile in permafrost regions;
多年冻土区钻孔扩底桩抗拔力研究
It sums up the classify,the transform and the develop for the future of the Japanese pile foundation,specifically introduces the advanced technology of rock-socketed piles and pedestal piles of the Japanese pile foundation,and researches the pulse for the future of the Japanese pile foundation,so to prompt the develop of the foundation technology in our nation.
综述了日本桩基施工的分类、变革、发展,详细介绍了日本桩基础的先进技术:嵌岩桩、扩底桩,并研究了日本桩基施工的今后动向,从而推动我国桩基技术的发展。
Today,belled pile is used more and more widely in industry architecture,.
扩底桩在当前工业建筑中得到了越来越广泛的应用。
Four groups of vertical loading tests were performed on belled piles and equal-diameter piles at four sites to make comparative study.
研究了4个场地的4组扩底桩与直桩的竖向静荷载对比试验。
Based on the notion of foundation deformation, the critical length of single belled pile in the homogeneous soil is studied by means of finite element numerical simulation on different conditions such as different loads, different modulus ratio of pile to soil(K\- p /K\- s )and different diameter ratio of pile bottom to pile body (D/d).
基于地基变形的概念对均质地基上扩底桩单桩在不同荷载大小、不同桩土模量比、不同头径比的临界桩长进行了有限元数值模拟 ,得出扩底桩单桩临界桩长与桩土模量比和头径比有关但在容许承载力范围内与荷载大小无关的结论。