Horizontal force transfer method for underground building modification
A technology for underground buildings and a conversion method, which is applied in the field of horizontal force conversion in the reconstruction of underground buildings, can solve problems such as adverse effects on the safety of protective underground structures, possibly increased deformation, and deformation and stress of the protective underground structures. To achieve the effect of ensuring stability, reducing deformation, and good support
Inactive Publication Date: 2008-12-03
SHANGHAI CONSTRUCTION GROUP +1
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Problems solved by technology
But the problem that arises is: how to set up the horizontal support, and what is the relationship with the original building structure
After excavation, due to the unloading of the soil on the side adjacent to the protective underground structure of the original building structure, the deformation may increase, thereby affecting the deformation and stress of the entire protective underground structure, which is detrimental to the safety of the protective underground structure influences
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[0018] The specific implementation method of the present invention will be further described below in conjunction with the embodiments and accompanying drawings.
[0019] The present invention is used for the transformation method of horizontal force of underground building, and the underground building to be transformed comprises large foundation pit and small foundation pit, and there is a common underground continuous wall between two foundation pits, comprising the following steps:
[0020] (1). Concrete supports are set in the large foundation pit from top to bottom, and the concrete supports are set on the common continuous wall;
[0021] (2). The first steel support is installed in the upper space of the roof in the small foundation pit. The steel support and the concrete support are set correspondingly. Steel supports are installed in each underground space from top to bottom;
[0022] (3). Chisel off the floor between the penultimate and second steel supports, and co...
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Using former shared continuous wall, the invention sets up concrete support outside the continuous wall. Temporary steel support is setup between shared continuous wall and permanent continuous wall. Under principle of balanced stress it is concordant mutually and in strict precedence to form or dismantle steel supports in two foundation pits as well as build or dismantle two parts of structure. Being as key position, middle underground continuous wall is dismantled after permanent structure is formed completely. The invention guarantees stabilization of entire structure in construction stage, reduces influence on protection architecture, and possible distortion caused by construction. Moreover, using the existed structure, the invention lowers economic cost furthest.
Description
technical field [0001] The invention relates to a building construction method, in particular to a horizontal force conversion method used for underground building transformation. Background technique [0002] At present, in the field of building construction, it is often necessary to renovate existing buildings, especially the transformation of underground buildings. Due to the adjacent protective underground structures, it is often necessary to consider the protection of adjacent buildings and prevent damage to existing damage to building structures. For example, in a construction project, in order to cooperate with the new building structure, the original building structure needs to be transformed from the original two-story underground building to a new three-story underground building structure, including the removal of the old floor system and the new The formation of the structure eventually connects with the other underground parts of the new building. However, sin...
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IPC IPC(8): E04G23/02E02D29/00E02D31/00
Inventor 赵兴波姜向红金玺邹剑波王良荣徐一博
Owner SHANGHAI CONSTRUCTION GROUP