In this paper, the construction technology for the bored piles is presented.
介绍该钻孔灌注桩的施工工艺。
Property of slurry has direct impact on the bearing capacity and skin friction of bored piles.
泥浆性能直接影响钻孔桩的承载力和桩侧摩阻力。
It also attempts to analyse the application conditions of the deflection differentiation of bored piles.
分析桩的挠曲微分方程的应用条件。
This paper introduces the design treatment of karst caves at the location of bored piles at karst district.
本文就岩溶地区钻孔灌注桩处在溶洞处的设计处理作一介绍。
According to the depth of the circumstances of the excavation, the bored piles and soil anchor-bar are adopted.
根据周边环境的情况和开挖的深度，采用了钻孔灌注桩和土钉锚杆相结合的支护形式。
This flexibility means that bored piles can provide solid foundation elements suitable for almost all site conditions.
这种灵活性意味着可以提供坚实的基础钻孔灌注桩元素几乎所有网站适合条件。
The foundation of the pylon is composed of bored piles and separate pile caps connected with prestressed concrete tie beams.
主塔基础采用分离式承台钻孔桩基础，两承台设横系梁连接，系梁为预应力混凝土结构。
Based upon the construction technology of cast in place bored piles the quality control of every procedure is mainly discussed.
根据钻孔灌注桩的施工工艺，主要论述了每道工序的质量控制点。
Author points out that the procedure control is the foundation of construction quality for cast in place bored piles construction.
揭示了工序控制是保证钻孔灌注桩施工质量的基本点。
The primary goal of this research is to study the influences of different pile-tip soils on the bearing characters of bored piles.
通过模型试验研究不同桩端土对承压钻孔灌注桩承载特性的影响。
Foundation formed by high pressure bored piles is choosed, and application effect of such foundation is also analysed in the paper.
以滨海平原地带的综合办公楼基础工程设计为例，通过两个方案的对比分析，选用钻孔压浆桩作为基础形式，并分析了该基础的应用效。
The paper introduces the construction of Tanshang Bridge in Gujiao and explains the construction process and methods of bored piles.
文章介绍了古交市滩上桥工程概况，并就钻孔灌注桩施工过程及方法进行了阐述。
Problem on the capacity of socketed bored piles with all manner of influence factor are analysed theoretically, on the basis of measured and test.
结合实测和试验资料，从理论上分析嵌岩灌注桩竖向承载力问题，及其各种影响因素。
The technology of base grouting overcomes the shortcomings of traditional bored piles, improving the bearing capacity of piles and decreasing settlement.
桩端压浆技术克服了传统钻孔灌注桩的不足，使桩的承载力提高、沉降量减小。
This paper discusses the causes of quality accidents arising from applications of bored piles, in accordance with the foundation soil situation in Zhuhai.
本文结合珠海地区土质情况，分析了灌注桩在应用中发生质量问题的原因。
Construction of bored piles in steel cofferdam as pylon foundations in main channel for the SecondChangjiang River Bridge in Wuhan is emphatically recounted.
重点介绍了位于长江主航道上武汉长江二桥斜拉桥主塔墩基础双壁钢围堰及钻孔桩的施工。
Sutong Bridge located in the tidal reach adopts the pile-group foundation with large-diameter and over-length bored piles working with the steel casing together.
位于潮汐河段的苏通大桥采用大直径、超长钻孔灌注群桩基础，而且需要考虑钢护筒的共同作用。
The construction technology of reinforcement skeleton for super-long bored piles is briefly introduced and major points of attention during construction are pointed.
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 post-grouting technique for bored piles can increase the vertical bearing capacity of piles, decrease the subsidence and improve the engineering behaviors of piles.
钻孔灌注桩后压浆技术可提高桩的竖向承载力、减少桩的沉降并改善桩的工程性状。
The traditional steel beam reaction system was substituted by prestressed concrete reaction system in the ultrahigh static loading tests of bored piles of Fuxing Bridge.
在复兴大桥超高吨位灌注桩的静载试验，预应力混凝土反力装置替代了传统的钢梁反力系统。
Piles with branches and plates expanded, derived from common concrete bored piles, are ones of a new type, which, not yet fully-fledged, have been developing with study forward.
支盘桩是在普通混凝土灌注桩的基础上衍生出来的一种新型桩型，具有显著的经济效益和社会效益。
To construct the compound pile diaphram using bored piles and jet -grouted piles, and related techniques is an important approach to reinforce the pit wall and protect the building.
采用钻孔灌注桩、高压旋喷桩及相应配套技术建造混合桩连续墙是边坡加固、保护建筑物的一项重要手段。
The bearing mechanism and design calculation method are described for multi stage expanded bored piles. Some problems present with its field use are briefly analyzed with its benefits.
介绍了多级挤扩钻孔灌注桩的承载机理及设计计算方法，并对其在实际工程应用中存在的一些问题和应用效果作了简要分析。
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.
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。
Bored piles are hidden works, piling too many links, the quality of the construction process prone to accidents, we must attach importance to the entire process of construction quality control.
钻孔灌注桩属于隐蔽工程，成桩环节多，施工过程容易出现质量事故，必须重视施工质量监控。
This article introduces the common quality problems of the underwater bored piles, and analyses the causes one by one. Finally, the article offers the corresponding prevention and remedy measures.
本文介绍了水下钻孔灌注桩成孔及成桩过程中常易出现的质量问题，并逐一分析了其可能产生的原因，提出了相应的防治措施。
The tests show that the longer the age of bored piles, the higher the opening pressure of pile end post grouting. However, the age of bored piles has little influence on the final grouting pressure.
注浆试验表明：随着成桩龄期的增加，开塞压力也相应增大，但成桩龄期对终注压力影响不大。
The tests show that the longer the age of bored piles, the higher the opening pressure of pile end post grouting. However, the age of bored piles has little influence on the final grouting pressure.
注浆试验表明：随着成桩龄期的增加，开塞压力也相应增大，但成桩龄期对终注压力影响不大。
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