Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction process of stiff composite pile
The invention discloses a construction process of a stiff composite pile, and belongs to the technical field of geotechnical engineering. The construction process comprises the following steps that S1, a proper pile machine and a proper pile hammer are selected; S2, obstacles in a construction area are removed, and a site is leveled; S3, a pile position is measured; S4, the pile machine is in place; S5, impact hole forming is carried out; S6, the pile machine is moved; S7, a flexible pile is constructed; S8, a rigid pile is constructed; and S9, if pile splicing is needed, the steps S7-S8 are repeated. The stiff composite pile is formed by compounding the flexible pile and the rigid pile, the flexible pile is formed by stirring cement paste and ceramsite in a pile hole, a large number of holes communicating with one another exist in the ceramsite, the ceramsite has the water absorption capacity through the holes, in the hydration process of the flexible pile after pile forming, water in the ceramsite can be fed back to the flexible pile, thus cement in the flexible pile is fully hydrated, the problem that the flexible pile cracks due to self-shrinkage of the cement in the flexible pile is reduced, the bearing strength of the stiff composite pile is improved, and the service life of the stiff composite pile is prolonged.
本发明公开了一种劲性复合桩施工工艺，属于岩土工程技术领域，包括以下步骤：S1：选择合适的桩机和桩锤；S2：清除施工区域内的障碍物以及平整场地；S3：测定桩位；S4：桩机就位；S5：冲击成孔；S6：桩机移位；S7：柔性桩施工；S8：刚性桩施工；S9：如需接桩，重复步骤S7‑S8；本发明劲性复合桩由柔性桩和刚性桩复合而成，柔性桩在桩孔内通过水泥浆和陶粒搅拌成桩，陶粒内部存在大量相互连通的孔隙，孔隙使陶粒具有吸水的能力，成桩后柔性桩在水化过程中，陶粒内部的水分可以反哺给柔性桩，使柔性桩内的水泥充分水化，减少柔性桩内水泥自收缩导致柔性桩开裂的问题发生，提高劲性复合桩的承载强度以及延长劲性复合桩的使用年限。
Construction process of stiff composite pile
The invention discloses a construction process of a stiff composite pile, and belongs to the technical field of geotechnical engineering. The construction process comprises the following steps that S1, a proper pile machine and a proper pile hammer are selected; S2, obstacles in a construction area are removed, and a site is leveled; S3, a pile position is measured; S4, the pile machine is in place; S5, impact hole forming is carried out; S6, the pile machine is moved; S7, a flexible pile is constructed; S8, a rigid pile is constructed; and S9, if pile splicing is needed, the steps S7-S8 are repeated. The stiff composite pile is formed by compounding the flexible pile and the rigid pile, the flexible pile is formed by stirring cement paste and ceramsite in a pile hole, a large number of holes communicating with one another exist in the ceramsite, the ceramsite has the water absorption capacity through the holes, in the hydration process of the flexible pile after pile forming, water in the ceramsite can be fed back to the flexible pile, thus cement in the flexible pile is fully hydrated, the problem that the flexible pile cracks due to self-shrinkage of the cement in the flexible pile is reduced, the bearing strength of the stiff composite pile is improved, and the service life of the stiff composite pile is prolonged.
本发明公开了一种劲性复合桩施工工艺，属于岩土工程技术领域，包括以下步骤：S1：选择合适的桩机和桩锤；S2：清除施工区域内的障碍物以及平整场地；S3：测定桩位；S4：桩机就位；S5：冲击成孔；S6：桩机移位；S7：柔性桩施工；S8：刚性桩施工；S9：如需接桩，重复步骤S7‑S8；本发明劲性复合桩由柔性桩和刚性桩复合而成，柔性桩在桩孔内通过水泥浆和陶粒搅拌成桩，陶粒内部存在大量相互连通的孔隙，孔隙使陶粒具有吸水的能力，成桩后柔性桩在水化过程中，陶粒内部的水分可以反哺给柔性桩，使柔性桩内的水泥充分水化，减少柔性桩内水泥自收缩导致柔性桩开裂的问题发生，提高劲性复合桩的承载强度以及延长劲性复合桩的使用年限。
Construction process of stiff composite pile
一种劲性复合桩施工工艺
FENG SHUAI (Autor:in) / OUYANG YUNMIN (Autor:in) / ZHANG GUOJI (Autor:in)
25.06.2021
Patent
Elektronische Ressource
Chinesisch