A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Composite pile construction method capable of controlling soil compaction
The invention relates to a composite pile construction method capable of controlling soil squeezing. The composite pile construction method comprises the following steps that S1, an orifice pile casing is buried on a pile foundation soil body of a composite pile needing to be constructed; s2, starting a soil body in-situ multi-layer mutual shearing and stirring device in place, driving a stirring drill bit to shear and disturb the soil body in the pile hole along with an inner drill rod and an outer drill rod, and spraying a curing material through the stirring drill bit, part of the stirred solidified soil is lifted up from a pile hole or extruded into a pile casing along with rotation of a spiral blade on the outer drill rod and extrusion of the lower portion of the stirring drill bit; s3, after the stirring drill bit drills to reach the specified pile hole depth, the inner drill rod and the outer drill rod are kept rotating and lifted at the moment; s4, the rigid piles are concentrically implanted into the constructed stirring piles through rigid pile implanting equipment; and S5, the pile casing is transferred, redundant solidified soil at the pile head is cleaned, and construction of the composite pile is completed. The method has the effect of effectively controlling the soil squeezing effect during composite pile construction, and the influence of the soil squeezing effect on the surrounding environment can be reduced.
本发明涉及一种控制挤土的复合桩施工方法，包括如下步骤：S1：在需施工复合桩的桩基土体上埋设孔口护筒；S2：土体原位多层互剪搅拌装置就位后并启动，随着内钻杆和外钻杆带动搅拌钻头剪切扰动桩孔内的土体，同时通过搅拌钻头喷射固化材料，部分搅拌后的固化土随着外钻杆上的螺旋叶片旋转以及搅拌钻头下部的挤压从桩孔中被上提或被上挤入至护筒中；S3：在搅拌钻头钻进到达指定桩孔深度后，此时内钻杆和外钻杆保持旋转并提升；S4：利用刚性桩植桩设备将刚性桩同心植入到施工完成的搅拌桩中；S5、转移护筒，对桩头部位多余的固化土进行清理，复合桩施工完成；本发明具有有效控制复合桩施工时挤土效应的效果，可以减少其对周边环境的影响。
Composite pile construction method capable of controlling soil compaction
The invention relates to a composite pile construction method capable of controlling soil squeezing. The composite pile construction method comprises the following steps that S1, an orifice pile casing is buried on a pile foundation soil body of a composite pile needing to be constructed; s2, starting a soil body in-situ multi-layer mutual shearing and stirring device in place, driving a stirring drill bit to shear and disturb the soil body in the pile hole along with an inner drill rod and an outer drill rod, and spraying a curing material through the stirring drill bit, part of the stirred solidified soil is lifted up from a pile hole or extruded into a pile casing along with rotation of a spiral blade on the outer drill rod and extrusion of the lower portion of the stirring drill bit; s3, after the stirring drill bit drills to reach the specified pile hole depth, the inner drill rod and the outer drill rod are kept rotating and lifted at the moment; s4, the rigid piles are concentrically implanted into the constructed stirring piles through rigid pile implanting equipment; and S5, the pile casing is transferred, redundant solidified soil at the pile head is cleaned, and construction of the composite pile is completed. The method has the effect of effectively controlling the soil squeezing effect during composite pile construction, and the influence of the soil squeezing effect on the surrounding environment can be reduced.
本发明涉及一种控制挤土的复合桩施工方法，包括如下步骤：S1：在需施工复合桩的桩基土体上埋设孔口护筒；S2：土体原位多层互剪搅拌装置就位后并启动，随着内钻杆和外钻杆带动搅拌钻头剪切扰动桩孔内的土体，同时通过搅拌钻头喷射固化材料，部分搅拌后的固化土随着外钻杆上的螺旋叶片旋转以及搅拌钻头下部的挤压从桩孔中被上提或被上挤入至护筒中；S3：在搅拌钻头钻进到达指定桩孔深度后，此时内钻杆和外钻杆保持旋转并提升；S4：利用刚性桩植桩设备将刚性桩同心植入到施工完成的搅拌桩中；S5、转移护筒，对桩头部位多余的固化土进行清理，复合桩施工完成；本发明具有有效控制复合桩施工时挤土效应的效果，可以减少其对周边环境的影响。
Composite pile construction method capable of controlling soil compaction
一种控制挤土的复合桩施工方法
CHEN TIANXIONG (author) / LIU ZHONG (author) / ZHANG YI (author) / XUE ZIZHOU (author) / ZHANG CHUFU (author)
2024-04-05
Patent
Electronic Resource
Chinese
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