Model for causing ground setting due to engineering environment effect and test method thereof

A technology of environmental effects and land subsidence, which is used in the testing of infrastructure, infrastructure engineering, construction, etc.

Inactive Publication Date: 2011-06-15
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such devices and methods are for the measurement or observation of the external settlement, and do not involve the study of the settlement mechanism, especially the ground settlement mechanism caused by engineering environmental effects

Method used

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  • Model for causing ground setting due to engineering environment effect and test method thereof
  • Model for causing ground setting due to engineering environment effect and test method thereof
  • Model for causing ground setting due to engineering environment effect and test method thereof

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0032] see Figure 1-3 , the engineering environment effect of the present invention causes the model device of land subsidence, and it comprises model box 7, simulation material, measuring equipment, data acquisition equipment and water pressure control equipment, and model box 7 is the main device of model test, is welded by steel plate Complete, sealed and water-tight, the size can be determined according to the test requirements, and it is used to place the simulated materials in the simulated research area; the measuring equipment is placed inside and on the surface of the soil in the model box 7, and is connected with the data acquisition equipment; the water pressure control The equipment is connected with the model box 7 to provide water pressure for the soil in the model box 7, and is used to simulate the submerged layer and the confin...

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Abstract

The invention discloses a model for causing ground setting due to an engineering environment effect and a test method thereof. The model comprises a model casing, simulation materials, measuring equipment, data acquisition equipment and water pressure controlling equipment, wherein the simulation materials for simulating a research area are placed in the model casing; the measuring equipment is arranged in the model casing for measuring parameters; the data acquisition equipment is connected with the measuring equipment and is used for acquiring and processing the parameters measured by the measuring equipment; and the water pressure controlling equipment is connected with the model casing and provides water pressure for the model casing and is used for simulating a water table aquifer and an artesian aquifer on a practical soil layer. the test method comprises the following steps of: determining influence factors to be researched; considering the size and the distance of a simulationbuilding and the plane size of the model casing according to the consolidation principle; determining various similar constants by adopting a dimensional method; determining the simulation materials;simulating the early-stage preparations of the test; and carrying out a simulation test. According to the invention, the ground deformation due to the underground water level lifting and the ground setting due to the engineering environment effect can be researched.

Description

technical field [0001] The invention relates to the technical field of geotechnical engineering, and specifically designs a model test method and a device for ground subsidence measurement. Background technique [0002] Land subsidence is an environmental geological phenomenon in which the regional ground elevation is lowered due to the compression of the crust and surface soil under the action of natural and human factors. resulting consequences. Land subsidence has the characteristics of slow formation, long duration, wide range of influence, complex mechanism of origin, and difficulty in prevention and control. It is a geological disaster that threatens resource utilization, environmental protection, economic development, urban construction, and people's lives. Land subsidence is a relatively common land disaster in my country and even in the world, which has a huge impact on the sustainable development of social economy. [0003] Shanghai is one of the earliest and mos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
Inventor 唐益群任兴伟周洁李珺王建秀杨坪
Owner TONGJI UNIV
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