A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Combined deep foundation pit post-cast strip support changing structure and construction method
The invention provides a combined deep foundation pit post-cast strip support changing structure and a construction method, and relates to the field of foundation pit supporting systems, the support changing structure comprises a transverse force transfer structure, and the transverse force transfer structure is located between two adjacent structural columns on the periphery of a foundation pit from outside to inside and arranged across a post-cast strip; the three-bracket support pier is arranged on the structural column on the outer side, one side of the three-bracket support pier corresponds to the lining wall, and the other opposite side of the three-bracket support pier corresponds to the structural column on the inner side; the double splayed inclined struts are arranged between the three-bracket support pier and the lining wall; the cross brace is arranged between the three-bracket support pier and the structural column on the inner side; the temporary stand columns are arranged on the main beams and used for supporting the double-splayed inclined struts. According to the structure, a primary force transmission and supporting system of a force transmission plate strip in a post-cast strip area, a secondary force transmission and supporting system of a transverse supporting area and a triple force transmission and supporting system of a double-splayed inclined supporting area can be formed, the post-cast strip area can be effectively protected, and loads outside a pit can be evenly dispersed into a main building structure in the deep foundation pit; and the safety in the support changing process and the stability of the main beam structure are effectively ensured.
本申请提供一种组合式深基坑后浇带换撑构造及施工方法，涉及基坑支撑体系领域，其换撑构造包括横向传力结构，位于基坑外围由外至内的相邻两结构柱之间，跨越后浇带设置；三牛腿支座墩，设于外侧的结构柱上，其一侧对应内衬墙、另一相对侧对应内侧的结构柱；双八字斜撑，设于三牛腿支座墩与内衬墙之间；横撑，设于三牛腿支座墩与内侧的结构柱之间；临时立柱，设于主梁上且用于支撑双八字斜撑。本申请可以形成后浇带区传力板带的一重传力及支撑、横撑区的二重传力及支撑以及双八字斜撑区的三重传力及支撑体系，既能对后浇带区域进行有效的防护，又可以将坑外荷载均匀分散至深基坑内主楼结构中，有效确保换撑过程中的安全性和主梁结构的稳定性。
Combined deep foundation pit post-cast strip support changing structure and construction method
The invention provides a combined deep foundation pit post-cast strip support changing structure and a construction method, and relates to the field of foundation pit supporting systems, the support changing structure comprises a transverse force transfer structure, and the transverse force transfer structure is located between two adjacent structural columns on the periphery of a foundation pit from outside to inside and arranged across a post-cast strip; the three-bracket support pier is arranged on the structural column on the outer side, one side of the three-bracket support pier corresponds to the lining wall, and the other opposite side of the three-bracket support pier corresponds to the structural column on the inner side; the double splayed inclined struts are arranged between the three-bracket support pier and the lining wall; the cross brace is arranged between the three-bracket support pier and the structural column on the inner side; the temporary stand columns are arranged on the main beams and used for supporting the double-splayed inclined struts. According to the structure, a primary force transmission and supporting system of a force transmission plate strip in a post-cast strip area, a secondary force transmission and supporting system of a transverse supporting area and a triple force transmission and supporting system of a double-splayed inclined supporting area can be formed, the post-cast strip area can be effectively protected, and loads outside a pit can be evenly dispersed into a main building structure in the deep foundation pit; and the safety in the support changing process and the stability of the main beam structure are effectively ensured.
本申请提供一种组合式深基坑后浇带换撑构造及施工方法，涉及基坑支撑体系领域，其换撑构造包括横向传力结构，位于基坑外围由外至内的相邻两结构柱之间，跨越后浇带设置；三牛腿支座墩，设于外侧的结构柱上，其一侧对应内衬墙、另一相对侧对应内侧的结构柱；双八字斜撑，设于三牛腿支座墩与内衬墙之间；横撑，设于三牛腿支座墩与内侧的结构柱之间；临时立柱，设于主梁上且用于支撑双八字斜撑。本申请可以形成后浇带区传力板带的一重传力及支撑、横撑区的二重传力及支撑以及双八字斜撑区的三重传力及支撑体系，既能对后浇带区域进行有效的防护，又可以将坑外荷载均匀分散至深基坑内主楼结构中，有效确保换撑过程中的安全性和主梁结构的稳定性。
Combined deep foundation pit post-cast strip support changing structure and construction method
组合式深基坑后浇带换撑构造及施工方法
LI QINGHUI (author)
2024-06-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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