Construction method for extending multi-layer basement under protecting building groups

A construction method and technology for basement, applied in construction, building maintenance, building components, etc., can solve problems such as land shortage, and achieve the effect of solving land shortage and improving land utilization.

Pending Publication Date: 2018-07-13
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] A construction method for expanding multi-storey basements under protected building complexes proposed by the present invention can provide new solutions to problems such as solving the shortage of land, improving land utilization, and developing underground space without moving or demolishing protected buildings. train of thought

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  • Construction method for extending multi-layer basement under protecting building groups
  • Construction method for extending multi-layer basement under protecting building groups
  • Construction method for extending multi-layer basement under protecting building groups

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Embodiment Construction

[0024] A construction method for expanding a multi-storey basement under a protected building complex proposed by the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] The first stage is the construction of foundation pit support, underpinning piles and uplift piles. Please refer to figure 1 , in order to take into account the underpinning of the superstructure and the full use of the lower underground space, the underpinning pile 1 is the underpinning pile of the building and the frame column of the basement. The top elevation of the underpinning pile is on the basement roof, and the spacing is controlled at 8.4m. The elevation of the two pile tops of the uplift piles is on the basement floor. The former is also used as the column of the basement and the permanent engineering pile in the normal use stage. When the basement is constructed, the surrounding steel bars of the column are bo...

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Abstract

The invention discloses a construction method for extending multi-layer basement under protecting building groups, and the construction method for extending multi-layer basement under protecting the building groups can be applied to the development of multi-layer basements under the protection buildings in areas with poor soil property. The construction method comprises the following steps that stage 1, a cast-in-place pile and a supporting structure of a foundation pit are constructed; stage 2, the upper building is subjected to strengthening; stage 3, an apron piece and an underpinning beamare constructed; stage 4, a basement top plate is constructed; and stage 5, the layers of the basement are constructed layer by layer in a cover and bottom-up method. The construction method for extending multi-layer basement under protecting the building groups can protect a complete and reliable design and construction technology for a design and construction method of multi-layer basements additionally added to the lower portion of a former address of the building buildings, a multi-layer basement is additionally built to the original site on the premise of not relocating a historic building, the historic building can be reserved and an underground structure can be additionally built, and new ideas for solving the problems of land shortage, improving the utilization rate of land and developing underground space under the condition of not dismantling buildings can be provided.

Description

technical field [0001] The invention relates to a construction method for expanding a multi-storey basement under a protected building group. The method proposed by the invention can provide a complete and reliable design and construction technology for the development and utilization of multi-storey large-scale underground spaces under the existing protected building group. Background technique [0002] With the rapid development of my country's economy, population increase and the continuous acceleration of urbanization process, large-scale urbanization construction continues in our country. In the process of urbanization, it is necessary not only to promote the development of urban buildings, but also to intensively utilize the land used for buildings, to alleviate the shortage of land use, to increase the utilization rate of building space, and to focus on long-term sustainable land development and utilization. Addition and reconstruction of multi-storey underground spac...

Claims

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Application Information

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IPC IPC(8): E04G23/02E04G23/06E04B1/00E02D29/055
CPCE04G23/0266E02D29/055E04B1/0007E04G23/06
Inventor 杨泽宇
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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