复杂环境下大直径人工挖孔桩水下混凝土灌注技术的研究  

Research on Underwater Concrete Pouring Technology of Large-diameter Artificially Dug Piles in Complex Environment

作　　者：习安 XI An(st Metallurgical Third Construction Co.,Ltd.,Baiyin Gansu 730900)

机构地区：[1]甘肃二十一冶第三建设有限公司,甘肃白银730900

出　　处：《中国科技纵横》2023年第3期100-103,共4页China Science & Technology Overview

摘　　要：人工挖孔桩作为桩基础的一种形式,由于其投资成本低,桩底质量可控性好、浇筑质量透明、单桩承载力大,且施工机具设备简便、易于操作,对于场区环境和周边居民影响较小等特点,在实际施工中获得越来越多的应用。结合施工现场情况对大直径人工挖孔桩在地下水位较高及地质环境较为复杂的情况下,采取水下分段式混凝土灌注的成桩工艺及其质量控制进行了研究。Artificial digging piles as a form of pile foundation,due to its low investment cost,the quality of the pile bottom is good,the quality of the pouring is transparent,the single pile bearing capacity is large,and the construction machinery and equipment are simple,easy to operate.For the small impact of the environment and the surrounding residents,more and more applications have been obtained in actual construction.Combined with the construction site,under the circumstances where large diameter artificial digging piles are higher in groundwater levels and more complicated geological environment.Research on the pile formation of underwater segmented concrete irrigation and its quality control.

关 键 词：大直径 挖孔桩 混凝土灌注 

分 类 号：TU753.3[建筑科学—建筑技术科学]