Model experiment apparatus for simulating ground long-term settlement of dense building group districts

A technology for model experiments and building complexes, applied in measurement devices, material inspection products, instruments, etc., can solve the problem of not considering the impact of dense building complexes on long-term land subsidence, and achieve high fidelity, accurate experimental data, and experimental costs. low effect

Active Publication Date: 2018-07-27
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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  • Abstract
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  • Application Information

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Problems solved by technology

This patent is mainly based on the two-dimensional finite element model to study the dynamic load of subway operating trains and the long-term settlement of tunnels. It does not involve the use of model tests to study the long-term ground settlement affected by the operation of karst caves-underground rivers-tunnel groups, nor does it consider dense buildings. Effects of groups on long-term land subsidence

Method used

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  • Model experiment apparatus for simulating ground long-term settlement of dense building group districts
  • Model experiment apparatus for simulating ground long-term settlement of dense building group districts
  • Model experiment apparatus for simulating ground long-term settlement of dense building group districts

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Embodiment

[0059] Such as Figure 1~Figure 10 As shown, the long-term ground settlement model experimental device that simulates the operation of the karst cave-underwater-tunnel group in the dense building group area includes: multi-model combination system 1, karst strata system 2, tunnel system 3, ground dense building group 4, city Underground river water circulation system 5, cave water circulation system 6, data acquisition system 7, excitation system 8, conduction system 9.

[0060] The multi-model combination system 1 includes a first box 101, a second box 102, a third box 103, and a fourth box 104.

[0061] The karst formation system 2 includes a first soil layer 201, a second soil layer 202, a third soil layer 203, a fourth soil layer 204, and a cave soil layer 205.

[0062] The tunnel system 3 includes a first road tunnel 301, a second road tunnel 302, a third road tunnel 303, and a subway tunnel 304.

[0063] Ground dense building group 4, including Building No. 401, Building No. 40...

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Abstract

The invention relates to a model experiment apparatus for simulating ground long-term settlement of dense building group districts influenced by karst cave-underground river-tunnel group operation, and belongs to the technical fields of city underground engineering disaster prevention and disaster mitigation as well as ground settlement geological disaster. The model experiment apparatus comprisesa multi-model combination system, a karst stratum system, a tunnel system, a ground dense building group, a city underground river water circulation system, a karst cave water circulation system, a data acquisition system, a shock excitation, and a control system. The apparatus simulates influences of vehicle vibration load on ground long-term settlement during common operation of road tunnel group and subway tunnel in the dense building group district, simulates influences of tunnel group operating vehicle vibration load on soil long-term settlement under effects of city underground rivers,and simulates influences of tunnel group operating vehicle vibration load on soil long-term settlement under effects of karst caves. The apparatus has the characteristics of high environment simulation fidelity, accurate experiment data, and low experiment cost, and can be used for all-weather observation of slow deformation process of ground long-term settlement.

Description

Technical field [0001] The invention belongs to the technical field of urban underground engineering disaster prevention and mitigation and ground subsidence geological disasters, and in particular relates to a long-term ground subsidence model experimental device that simulates the operation of dense building groups affected by karst caves-underwater-tunnel groups. Background technique [0002] With the development of urban rail transit network construction, the overlapping operation of urban subway tunnels and urban underground highway tunnels has become more and more in my country's megacities. The densely populated urban areas with large populations often integrate commerce, finance and trade, and entertainment. They are a gathering point for urban people and are also the most frequently operated areas of urban subway tunnels and urban underground highway tunnels. This area is affected by factors such as foundation soil vibration subsidence caused by long-term train vibration...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00G01N33/24
CPCG01C5/00G01N33/24
Inventor 邹宝平易建孟钱向伟罗战友冯昱李健胡斌武刘静娟杨建辉陶燕丽刘长江
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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