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Support changing construction method for foundation pit inner support
The invention relates to a support changing construction method for a foundation pit inner support. The support changing construction method comprises the steps that S1, a foundation pit is divided into a plurality of construction areas through a post-cast strip; S2, an inner support structure is constructed in one construction area to support the construction area; S3, a main body structure is constructed in the construction area; S4, in the process of constructing a main body structure beam plate, inclined supports obliquely connected to the main body structure and the inner support structure are constructed at the same time; S5, after the inclined supports and the main body structure beam plate meet the design strength, the inner support structure in the construction area is disassembled; and S6, the inner support structure is transferred into the next construction area, and the steps S2 to S5 are repeated until construction of the foundation pit is completed. According to the support changing construction method, the inner support structure can be disassembled locally in advance; and when the foundation pit inner support structure is disassembled, through an integral structure formed by the inclined supports, the main body structure and the inner support structure, the stability of the main body structure and the continuity of force transferring are ensured, and the safety and stability of the structure are improved.
本发明涉及一种基坑内支撑的换撑施工方法，包括：步骤S1：通过后浇带将基坑划分为多个施工区；步骤S2：在一个施工区内施工内支撑结构以对施工区进行支护；步骤S3：在施工区内施工主体结构；步骤S4：在施工主体结构梁板的过程中，同时施工斜向连接于主体结构和内支撑结构的斜撑；步骤S5：待斜撑和主体结构梁板满足设计强度后，拆除施工区内的内支撑结构；步骤S6：将内支撑结构转运到下一个施工区内，并重复步骤S2至S5直到完成基坑的施工。本发明可提前局部拆除内支撑结构。在拆除基坑内支撑结构时，通过斜撑、主体结构和内支撑结构形成的整体结构，保证了主体结构的稳定性和传力的连续性，提高了结构的安全稳定性。
Support changing construction method for foundation pit inner support
The invention relates to a support changing construction method for a foundation pit inner support. The support changing construction method comprises the steps that S1, a foundation pit is divided into a plurality of construction areas through a post-cast strip; S2, an inner support structure is constructed in one construction area to support the construction area; S3, a main body structure is constructed in the construction area; S4, in the process of constructing a main body structure beam plate, inclined supports obliquely connected to the main body structure and the inner support structure are constructed at the same time; S5, after the inclined supports and the main body structure beam plate meet the design strength, the inner support structure in the construction area is disassembled; and S6, the inner support structure is transferred into the next construction area, and the steps S2 to S5 are repeated until construction of the foundation pit is completed. According to the support changing construction method, the inner support structure can be disassembled locally in advance; and when the foundation pit inner support structure is disassembled, through an integral structure formed by the inclined supports, the main body structure and the inner support structure, the stability of the main body structure and the continuity of force transferring are ensured, and the safety and stability of the structure are improved.
本发明涉及一种基坑内支撑的换撑施工方法，包括：步骤S1：通过后浇带将基坑划分为多个施工区；步骤S2：在一个施工区内施工内支撑结构以对施工区进行支护；步骤S3：在施工区内施工主体结构；步骤S4：在施工主体结构梁板的过程中，同时施工斜向连接于主体结构和内支撑结构的斜撑；步骤S5：待斜撑和主体结构梁板满足设计强度后，拆除施工区内的内支撑结构；步骤S6：将内支撑结构转运到下一个施工区内，并重复步骤S2至S5直到完成基坑的施工。本发明可提前局部拆除内支撑结构。在拆除基坑内支撑结构时，通过斜撑、主体结构和内支撑结构形成的整体结构，保证了主体结构的稳定性和传力的连续性，提高了结构的安全稳定性。
Support changing construction method for foundation pit inner support
基坑内支撑的换撑施工方法
CHEN SHAOJUN (author) / LIU JINQIANG (author) / YU TIANCHENG (author) / HUO FUJIN (author) / TANG GEWEI (author) / YANG XIUCHANG (author)
2021-06-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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