Partitioning supporting structure and method for large, long and deep foundation pit

Abstract

The invention discloses a segmented support structure and a support method for long and deep foundation pits. The structure includes a plurality of partition supports that divide the foundation pit into several partitions, and a ring brace is fixed in each partition, and the ring The inner edge of the brace is rounded, and the outer edge of the ring brace matches the edge of the partition in which it is placed. It can realize the one-time excavation of super long and super large foundation pits, which greatly speeds up the construction speed, reduces the waste of labor, materials and time, and meets the development requirements of green construction. And it can effectively reduce the number of internal supports, so that the tower can avoid the construction of the supporting structure. When the basement floor is completed, the tower can be constructed, which speeds up the overall construction progress. Different construction sequences will have an important impact on the deformation of the ring brace and the distribution of internal forces, and the poor control of the roundness of the ring brace will affect the safety of the foundation pit project. , effectively controlling the roundness of the ring brace, thereby improving the safety of the foundation pit project.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a block supporting structure and a supporting method for long and deep foundation pits. Background technique [0002] For traditional construction techniques, partition walls are generally used to divide super-long deep foundation pits into several foundation pits in order to reduce the uneven deformation of the foundation pit during excavation. [0003] However, if a partition wall is used to divide the construction of the foundation pit project, it will not only seriously affect the construction progress of the foundation pit project, but also need to remove the partition wall. For the foundation pit project in the core area, such construction will cause great pollution to the surrounding environment, which does not meet the development requirements of green construction. [0004] In particular, for the foundation pit project with multiple towers, the traditional support s...

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Problems solved by technology

[0003] However, if a partition wall is used to divide the construction of the foundation pit project, it will not only seriously affect the construction progress of the foundation pit project, but also need to remove the partition wall. The foundation pit project in the core area, such construction will cause great pollution to the surrounding environment, which does not meet the development requirements of green construction

[0004] In particular, for the foundation pit project with multiple towers, the traditional support system is adopted. Since the tower area is equipped with supports, the tower structure can only be constructed after the support is removed in sequence and the basement structure is completed layer by layer, which leads to constraints on the construction plan of the tower. The construction progress plan of the whole project is difficult to meet the requirements of fast and safe construction

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