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A platform for research: civil engineering, architecture and urbanism
Pit-in-pit narrow fertilizer groove flow state solidified soil backfilling system and construction method
The invention relates to a pit-in-pit narrow fertile groove flow state solidified soil backfilling system and a construction method. The system comprises a pit-in-pit excavation enclosure system, a fertile groove floor reserved post-cast strip system, a fertile groove foundation reinforcing system, a fertile groove pipeline anti-deformation supporting system and a basement waterproof system. The construction method has the beneficial effects that the technology of reserving the post-cast strip through the fat groove floor slab is adopted, and the temporary steel plate support is arranged on the post-cast strip to serve as a temporary support of a formwork system, so that synchronous construction of structural slabs of the same floor in different subareas of a foundation pit is guaranteed; meanwhile, a second fertilizer groove is backfilled with flow-state solidified soil, then a second floor waterproof system is constructed, and finally a sealing post-cast strip is constructed, so that the construction efficiency and quality of the basement main body structure are improved; a fertilizer groove foundation reinforcement technology is adopted, the steel pipe piles are arranged in the fertilizer grooves in a driving mode, and the flow state solidified soil is backfilled, so that the backfilling compactness of the foundation pit fertilizer grooves is improved, and the problem that traditional concrete is not easy to pour in a narrow space is solved.
本发明涉及一种坑中坑狭窄肥槽流态固化土回填体系及施工方法，包括坑中坑开挖围护体系、肥槽楼板预留后浇带体系、肥槽地基加固体系、肥槽管线防变形支撑体系和地下室防水体系；本发明的有益效果是：采用肥槽楼板预留后浇带技术，通过在后浇带设置临时钢板支撑作为支模体系的临时支撑，保证了基坑不同分区同一楼层结构板的同步施工；同时采用流态固化土回填第二肥槽，再施作第二楼板防水体系，最后施作密封后浇带，提高了地下室主体结构的施工效率和质量；采用肥槽地基加固技术，通过在肥槽内打设钢管桩，回填流态固化土，提高了基坑肥槽的回填密实度，解决了狭窄空间传统混凝土不易浇筑的难题。
Pit-in-pit narrow fertilizer groove flow state solidified soil backfilling system and construction method
The invention relates to a pit-in-pit narrow fertile groove flow state solidified soil backfilling system and a construction method. The system comprises a pit-in-pit excavation enclosure system, a fertile groove floor reserved post-cast strip system, a fertile groove foundation reinforcing system, a fertile groove pipeline anti-deformation supporting system and a basement waterproof system. The construction method has the beneficial effects that the technology of reserving the post-cast strip through the fat groove floor slab is adopted, and the temporary steel plate support is arranged on the post-cast strip to serve as a temporary support of a formwork system, so that synchronous construction of structural slabs of the same floor in different subareas of a foundation pit is guaranteed; meanwhile, a second fertilizer groove is backfilled with flow-state solidified soil, then a second floor waterproof system is constructed, and finally a sealing post-cast strip is constructed, so that the construction efficiency and quality of the basement main body structure are improved; a fertilizer groove foundation reinforcement technology is adopted, the steel pipe piles are arranged in the fertilizer grooves in a driving mode, and the flow state solidified soil is backfilled, so that the backfilling compactness of the foundation pit fertilizer grooves is improved, and the problem that traditional concrete is not easy to pour in a narrow space is solved.
本发明涉及一种坑中坑狭窄肥槽流态固化土回填体系及施工方法，包括坑中坑开挖围护体系、肥槽楼板预留后浇带体系、肥槽地基加固体系、肥槽管线防变形支撑体系和地下室防水体系；本发明的有益效果是：采用肥槽楼板预留后浇带技术，通过在后浇带设置临时钢板支撑作为支模体系的临时支撑，保证了基坑不同分区同一楼层结构板的同步施工；同时采用流态固化土回填第二肥槽，再施作第二楼板防水体系，最后施作密封后浇带，提高了地下室主体结构的施工效率和质量；采用肥槽地基加固技术，通过在肥槽内打设钢管桩，回填流态固化土，提高了基坑肥槽的回填密实度，解决了狭窄空间传统混凝土不易浇筑的难题。
Pit-in-pit narrow fertilizer groove flow state solidified soil backfilling system and construction method
坑中坑狭窄肥槽流态固化土回填体系及施工方法
DIAO HONGGUO (author) / WANG ZHIYU (author) / ZHANG HE (author) / WANG HAI (author) / WANG XINQUAN (author) / LI XIAO (author) / LIU CHENGJIE (author)
2024-02-06
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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