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广西南宁市“桂锦苑”住宅小区桩基工程采用了旋挖钻机造孔工艺,施工效果满足设计要求,实现了施工进度快、环境污染小、成本低的生产目标,解决了旋挖钻机在复杂地层尤其是砂卵石地层的造孔难题,而且在该项目的施工中通过对钻头进行技术改造,实现了旋挖钻机在弱风化岩层的快速施工,为类似工程尤其是南宁市的砂卵石地层的桩基础工程施工提供借鉴。
Guangxi Nanning City, “Gui Jin Court ” residential area pile foundation engineering using rotary drilling rig hole making process, the construction effect to meet the design requirements, to achieve the construction speed, environmental pollution, low cost and production goals to solve the rotary excavation Drilling rig in the complex formation, especially in sand and gravel stratum formation problems, but also in the construction of the project through the technical transformation of the drill to achieve the rotary drilling rig in the weakly weathered rock formation, for similar projects, especially in Nanning sand Pebble stratum pile foundation construction to provide reference.