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- bored pile groups 钻孔灌注群桩
- Common problems and their solutions are put forward in riprap-filled sea formation during bored pile execution. 提出了在抛石填海地层钻孔灌注桩施工中常见问题及处理方法。
- The compaction-under reamed bored pile is a new type one with high bearing capacity and low settlement. 摘要挤扩支盘灌注桩是一种具有高承载力和低沉降量特性的新型桩。
- The bored pile by churning drive and bored pile with slurry wall protection are widely adopted in loess foundation in recent years. 摘要旋挖钻孔灌注桩和泥浆护壁钻孔灌注桩是近年来黄土地基中广泛使用的桩基形式。
- The most interested problems of the design of post base-grouted bored pile are the estimate of the quantity of grouting and the bearing capacity. 桩端后注浆灌注桩单桩合理注浆量与承载力的计算成为工程界关注的主要问题之一,尚无设计规程可循。
- The bridge abutment No.0 sits on the foundation of rock-socketed pile groups embedded in thick soft groundsill. 桥台南侧为粉喷桩结合土工格栅处理的高填方路堤连接段。
- The Bearing capacity of bored pile is increased wich reducing silt deposit at the bottom of pile by improved construction technology. 通过施工工艺的改进,减少桩底沉淤,提高钻孔灌注桩的承载力。
- Construction technology and quality control of large diameter super-deep bored pile under complex geological condition are introduced. 介绍在复杂地质情况下超深大孔径桩基施工技术和质量控制措施。
- The standard penetration test(SPT)of base-pile of the artificial bored pile is very essential according to the feature of this project. 根据本工程实例情况,人工挖孔桩桩底标贯试验是非常必要的。
- In the paper, according to its success application in a tall building, the design and construction of under-reamed bored pile is debated in details. 本文结合钻孔扩底灌注桩在某工程中的应用情况,对钻孔扩底灌注桩设计、施工等应用方面进行了比较详细的介绍,指出该工法具有较好的经济效益。
- According to the principle of the minimum potential energy, the deformation of single tension pile and pile groups was analyzed using a modified variational approach. 根据最小势能原理，使用修正变分法来分析抗拔单桩和抗拔群桩的变形。
- FEI Hong-qing,WANG Yan.Research ofsuper-longhole bored pile in loess subsoil [J].Chinese Journal of Geotechnical Engineering,2000,22 (5):576-580. [2]费鸿庆;王燕.;黄土地基中超长钻孔灌注桩工程性状研究[J]
- Furthermore, a mass of numerical calculations of the internal force of pile group under different magnitude and obliquity loads is made by the program. 此外，采用本文程序对不同荷载量级及倾角下群桩基础的内力进行了大量的数值计算。
- Proved the appearance of the efficiency of pile groups and together got thecharacter of the changing of Ux,Uy and Sx by comparing with the four modelsmentioned above. 通过单桩-土体模型分别与两桩-土体模型和三桩-土体模型 Ux、Uy、Sx的对比,证明了群桩效应的产生,并得到了群桩 Ux、Uy、Sx的变化特点;
- According to the laboratory measurements of velocity and water level which were obtained before and after seting up of pile group. 通过对河道修建高桩码头前、后的流速分布及水位试验分析得出:随着桩群长度的增加,同一根垂线上的流速分布趋于均匀。
- In line of analysis of bored pile accidents emerged in bridge project construction,the paper introduces some treating methods for accidents of bored pile and quality failings. 通过对桥梁工程施工中出现的钻孔桩事故的分析,介绍了一些钻孔桩事故和质量缺陷的处理方法。
- The effect of the pile group on the current is simulated by increasing the sea bed roughness which can be determined with empirical equations of arti- ficial roughness. 文中采用加大海底糙率来模拟群桩对水流的影响,桩基的糙率系数由经验性的人工糙率公式求得。
- Bored piling shall be used for the pumping station and bridges for the Projects. 钻孔式打桩应用于工程项目中的抽水站和桥。
- Restricted by understand level and computational method, many engineers employ the traditional means for pile groups to design thinned pile foundation, apparently, a good deal of resource is extravagant. 然而由于认识水平和计算手段所限,许多设计工程师还是采用传统的群桩设计方法进行设计,造成很大的浪费。
- Base on the design practice of "Beijing Ming Ren Plaza", The authors analyse the properties, design method and keypoint of construction of the bored pile with grouting at the bottom. 通过对北京名人广场写字楼桩底压浆钻孔灌注桩的设计总结;分析了桩底压浆钻孔灌注桩的受力特性、设计和施工要点及该桩型在工程实践中广阔的应用前景.
