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Detection method of vibration crushed-stone columns dealing with the foundation of 750 kV transmission line
Author(s): ZHOU Bin, WANG Shizhe, ZHENG Qian
Pages: 44-
48
Year: 2014
Issue:
1
Journal: Ningxia Electric Power
Keyword: 振动碎石挤密桩; 输电线路; 基础; 检测方法;
Abstract: 振动碎石挤密桩是软基处理中常用的一种有效形式,在建设施工中虽被广泛采用,但其施工却因地质情况复杂而造成施工难度大,质量不易控制.本文以750 kV白银—黄河Ⅱ回输电线路基础工程中振动碎石挤密桩的检测为例,通过单桩复合地基静载荷试验、标准贯入试验、重型圆锥动力触探试验,对振动碎石挤密桩处理软土地基施工工艺及质量进行控制.结果表明:振动碎石挤密桩施工质量控制关键是施工过程控制,对振动碎石挤密桩施工进行质量检测,可确保施工质量满足设计要求.
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