Foundation construction method in house building construction: Fid-Bau Portal

Foundation construction method in house building construction

ZHANG LONGYU / XIE YANG

The invention discloses a foundation construction method in house building construction, and relates to the technical field of foundation construction. The method mainly comprises the steps of S1, preparation before foundation construction; s2, a foundation is excavated; s3, pile foundation points are determined; s4, pile foundation holes are formed; s5, pile foundation construction; s6, laying a composite foundation; s7, laying a concrete layer; and S8, building the house. Concrete is poured on the side edge of the excavated foundation, the stability of the foundation can be enhanced, collapse can be avoided, the bottom of the foundation is leveled and tamped, the strength of the soft soil foundation can be preliminarily improved, lime powder is sprayed into the pile hole while the pile hole is excavated, lime and foundation soil are mixed under rotation of a stirring drill bit, and the pile hole is excavated. The strength of the foundation soil is improved, the strength of the whole foundation is enhanced through the multiple pipe piles, finally, the composite foundation is laid, tamping is conducted through tamping equipment, the stability is further improved, the bearing capacity of the soft soil layer is improved, and the stability of an upper building is guaranteed.

本发明公开了一种房屋建筑施工中的地基施工方法，涉及地基施工技术领域；本发明主要方法包括S1、地基施工前准备；S2、地基开挖；S3、确定桩基点；S4、桩基孔开设；S5、桩基施工；S6、复合地基铺设；S7、混凝土层铺设；S8、房屋建造。本发明通过在开挖地基的侧边浇筑混凝土，能够加强地基的稳定性，避免塌方，对地基的底部进行平整夯实，能够初步提升软土地基的强度，在开挖桩孔的同时，将石灰粉喷入桩孔的内部，并在搅拌钻头的旋转下，将石灰与地基土混合，提高地基土的强度，多个管桩加强了整个地基的强度，最后铺设复合地基，并通过夯实设备进行夯实，再一步提高稳定性，提高了软土层的承载力，保证了上部建筑的稳定性。

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