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A platform for research: civil engineering, architecture and urbanism
Supporting and reinforcing method for continuous irregular deep foundation pit
The invention relates to the technical field of deep foundation pit construction, in particular to a continuous irregular deep foundation pit supporting and reinforcing method which comprises the steps that 1, foundation pit backfilling back pressure is conducted; 2, hanging a net on the slope surface and spraying concrete; 3, back pulling plate and supporting beam sealing plate construction; and 4, steel pipe inclined strut construction. According to the supporting and reinforcing method provided by the invention, the inclined strut supporting structure is made at the break angle of the foundation pit by using the steel pipe, backfilling back pressure, net hanging and concrete spraying operations are further performed at the supporting structure, and finally, a back pulling plate and a supporting beam sealing plate are made at irregular positions. By means of three different supporting means, composite reinforcing design is carried out on important easy-to-crack parts of the deep foundation pit, the supporting and reinforcing effect is improved, and meanwhile good economic benefits and high safety are achieved.
本发明涉及深基坑的施工技术领域，具体是一种连续不规则深基坑的支护加固方法，包括步骤1、基坑回填反压；步骤2、坡面挂网喷砼；步骤3、背拉板、支撑梁封板施工；步骤4、钢管斜撑施工。本发明所提出的支护加固方法，通过使用钢管在基坑的折角处做出斜撑支护结构，在该支护结构处进一步进行回填反压、挂网喷砼作业，最后再对不规则的位置做背拉板和支撑梁封板，如此，通过三道不同支护手段实现对深基坑重要易开裂部位做复合加强设计，其在提高支护加固效果的同时，还具有较好的经济效益和较高的安全性。
Supporting and reinforcing method for continuous irregular deep foundation pit
The invention relates to the technical field of deep foundation pit construction, in particular to a continuous irregular deep foundation pit supporting and reinforcing method which comprises the steps that 1, foundation pit backfilling back pressure is conducted; 2, hanging a net on the slope surface and spraying concrete; 3, back pulling plate and supporting beam sealing plate construction; and 4, steel pipe inclined strut construction. According to the supporting and reinforcing method provided by the invention, the inclined strut supporting structure is made at the break angle of the foundation pit by using the steel pipe, backfilling back pressure, net hanging and concrete spraying operations are further performed at the supporting structure, and finally, a back pulling plate and a supporting beam sealing plate are made at irregular positions. By means of three different supporting means, composite reinforcing design is carried out on important easy-to-crack parts of the deep foundation pit, the supporting and reinforcing effect is improved, and meanwhile good economic benefits and high safety are achieved.
本发明涉及深基坑的施工技术领域，具体是一种连续不规则深基坑的支护加固方法，包括步骤1、基坑回填反压；步骤2、坡面挂网喷砼；步骤3、背拉板、支撑梁封板施工；步骤4、钢管斜撑施工。本发明所提出的支护加固方法，通过使用钢管在基坑的折角处做出斜撑支护结构，在该支护结构处进一步进行回填反压、挂网喷砼作业，最后再对不规则的位置做背拉板和支撑梁封板，如此，通过三道不同支护手段实现对深基坑重要易开裂部位做复合加强设计，其在提高支护加固效果的同时，还具有较好的经济效益和较高的安全性。
Supporting and reinforcing method for continuous irregular deep foundation pit
连续不规则深基坑的支护加固方法
YANG GUOMING (author) / MO PANGSHENG (author) / ZHOU CAOGUO (author) / YANG HANZHI (author) / JIA ZHIYONG (author) / WANG CANCHAO (author) / LI GAOYANG (author) / WANG SHILONG (author)
2022-07-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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