结合工程实例,分析了钢筋混凝土钻孔灌注的特点及常见缺陷。介绍了基桩质量检测的常用方法及反射波法检测钻孔灌注桩的基本原理、方法。
Based on the practice, it analyses the performance and limitation of borehole cast-in-place concrete pile, and introduces the methods of quality test: especially the stress reflection method.
介绍了泥浆比重对钻孔灌注桩成孔、清孔及混凝土灌注的影响,并提出相应的技术措施。
The paper introduces the influence of mud proportion on the excavated hole, the hole cleamng of the cast-in-place and concreting.
根据几个工程的施工实践,阐述钻孔灌注桩施工中经常发生的几个技术问题的处理措施。
Measures dealing with several technical problems often occurred during construction of cast-in-situ concrete piles are expounded based on the construction practice of some projects.
对压密灌浆法用于桩底灌浆提高钻孔灌注桩承载力的工艺和机理进行了探讨。
Technology and mechanism of compaction grouting used in bored pile base grouting to enhance the bearing capacity are discussed.
在水敏性岩土体中进行钻孔灌注桩施工时,泥浆的失水量指标是钻孔能否成功的重要因素。
The Water loss is the important character of the slurry when drilling in water-sensitivity soil.
钻孔灌注桩作为桥梁的基础,其质量好坏关系到整个桥梁工程建设的成败。
As the base of bridge, the quality of drilling perfusion stake affects the whole project construction of bridge.
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 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.
论述了超声脉冲法检测钻孔灌注桩连续性、完整性及强度的原理及方法。
The paper introduced the principle and method of ultrasound pulse method detecting the continuity, integrity and strength.
在本文中,笔者大型桥梁钻孔灌注桩施工的质量管理谈了自己的看法。
In this article, the author talked about views on quality management of large Bridges bored pile construction.
钻孔灌注桩是工程中常用的深基础形式,其成桩质量对工程安全有着至关重要的作用。
The cast-in-place pile is in general engineering deep foundation forms, pile quality plays a vital role to construction safety.
最后,提出了垃圾填埋场内钻孔灌注桩的施工工艺以及施工注意事项。
The construction process of bored pile and the important construction matters needing attention are presented at last.
介绍位于地震高烈度区的宿迁建设大厦工程采用高压注浆技术对钻孔灌注桩进行加固的概况。
Based on Suqian Construction Building which locates in high intensity earthquake area, the paper presents the consolidation technology for bored pile.
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。
This paper introduces the design treatment of karst caves at the location of bored piles at karst district.
尤其是使用潜水电钻在此类地基上进行钻孔灌注桩施工更是存在较大的困难和较多的难题。
Particularly, it is more difficult to use diving drills to perform drill-pouring piles construction on this kind of foundation.
下部结构采用以钻孔灌注桩为基础的三墩柱,并分别对桥墩和桩基础进行了计算和验算。
The structure is based on the cast-in-place pile pier, and three of the piers and pile foundation were calculated and checked.
本文通过实例分析了在深基坑工程中,由于基坑回弹导致钻孔灌注桩断桩的原因,并提出了预防措施。
In this paper, the causes of rebound foundation pit result in the crack in the foundation pile were analyzed through the engineering case, and the preventive measures were proposed.
本文介绍了深水桩基的施工方法,包括钻孔平台的搭设及钻孔灌注桩的施工。
This paper introduces the construction method of deepwater pile foundation including the putting up of drilling platform and the construction of bored pile.
结合工程实践,对钻孔灌注桩的监理程序和质量控制进行了探讨。
This paper probes into the supervision procedures and the quality control of the bored pile connecting with the construction practice.
文章根据工程经历和有关资料,分析了钻孔灌注桩桩基缺陷产生的原因,并提出处理方法。
The author, from the previous constructing experience and relevant materials, has analyzed the cause of the defects of the bore bottling pile foundation and proposed some treatments.
通过钻孔压浆灌注桩施工工艺的论述,指出了产生质量问题的原因及防治措施。
By discussing executing process of bored grouting pile, the paper points out reasons and preventive measures of quality problems.
结合鹤大公路钻孔灌注桩的具体实践,从五个方面时钻孔灌注桩断桩的防治措施进行了论述。
Based on the He-Da highway construction of bored pile analysis is made on the preventions of broken pile from five aspects.
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.
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.
通过对工程实例的分析,对端承钻孔灌注桩的两种施工工艺进行了较为详细的阐述。
Through analyzing the engineering cases, this paper briefly describes two different construction measures of bearing bored pile.
文章介绍在岩溶地层钻孔灌注桩施工时,需采取的各项技术措施。
The article has introduced when pouring hole into the karst stratum need some technological measures.
泥浆护壁钻孔灌注桩的嵌岩深度的控制值问题目前尚未明确。
The proper control value of embedded depth in rock of slurry drilled pile, so far has not been determined.
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。
Based upon the construction technology of cast in place bored piles the quality control of every procedure is mainly discussed.
结合新开总干大桥的施工,对桥梁钻孔灌注桩施工中常见的问题进行了剖析,并提出了预防措施。
In the light of construction of bridge at Xinkai general artery, the paper dissects the common problems in bridge bored pile construction, and poses the prevention measures.
在桩底灌浆预制桩承载性能的研究基础上,进一步研究桩底灌浆钻孔灌注桩的承载性能。
Based on research on the behavior of precasted pile and grouted at pile bottom, the behavior of boring pile grouted at pile bottom is studied further.
在桩底灌浆预制桩承载性能的研究基础上,进一步研究桩底灌浆钻孔灌注桩的承载性能。
Based on research on the behavior of precasted pile and grouted at pile bottom, the behavior of boring pile grouted at pile bottom is studied further.
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