人工挖孔扩底灌注桩是高层建筑常用的一种桩基础形式，其施工质量的好坏直接影响到建筑的结构安全。
Usually the poured pile by artificial excavation expanding bottom is one foundation pile style of tall building, whose quality can affect the structural safety of the construction directly.
分析了影响钻孔灌注桩桩身施工质量及强度的主要原因，提出了预防桩身质量通病的相关技术措施。
The impact reasons of bored pile construction quality and intensity are analyzed. Related technology and measures to prevent pile quality problems are put forward.
文章就钻孔灌注桩施工技术的应用及施工质量进行了探讨。
Foundation Project for the article on the application and construction quality were discussed.
通过理论分析及空调器整机性能试验， 说明混合工质R407C是变频冷暖空调器中R22 的灌注式替代工质。
By a combination of theoretical analysis and performance testing, it is shown that refrigerant mixture R407C is a drop-in substitute for R22 in inverter heat pump air-conditioners.
现简要分析钻孔灌注桩常见施工质量问题及防治措施。
Now a brief analysis of common problems and construction quality control measures of cast-in place pile are analyzed.
揭示了工序控制是保证钻孔灌注桩施工质量的基本点。
Author points out that the procedure control is the foundation of construction quality for cast in place bored piles construction.
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。
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.
本文就浅析钻孔灌注桩施工过程中常见施工质量问题及预防措施进行详细的探讨。
This paper discusses the common quality problems and preventive measures during the construction of cast-in-situ bored pile construction in detail.
对钻孔灌桩和水下混凝土灌注过程中出现的施工质量问题进行了探讨，并提出了其防治措施。
Discusses the construction quantity problems which appears in the borehoh impregnator and underwater concrete depositing process, and puts forward its prevention measures.
结合钻孔灌注桩的施工实践，重点介绍保证水下混凝土施工质量的一些经验和体会。
Combining the construction practice of drilling piles, it mainly introduces some experience and understandings to quality assurance of underwater concrete construction.
采用灌注桩后注浆技术，既可确保桩基施工质量，又能提高单桩承载力，极大地发挥桩基承载的潜力。
The application of post-grouting technique for cast-in-situ pile could not only ensure the construction quality, but also raise the bearing capacity of each pile.
总结了京沪高铁三标段三工区桩基施工技术，并对灌注桩施工质量控制的几个关键环节进行了探讨。
The paper summed up the pile foundation construction technology in the 3-contract section and discussed the key steps for quality control on cast-in-place pile.
总结了京沪高铁三标段三工区桩基施工技术，并对灌注桩施工质量控制的几个关键环节进行了探讨。
The paper summed up the pile foundation construction technology in the 3-contract section and discussed the key steps for quality control on cast-in-place pile.
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