Filler-free type karst cave or karst pipeline system in similar model test and embedding method thereof

A similar model and pipeline system technology, applied in the field of unfilled cave or karst pipeline system and buried

Inactive Publication Date: 2011-04-13
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Scholars in our country have carried out a lot of model test research work, but there are also obvious weaknesses. When doing the basic model of geomechanics similar model test, generally use uniform materials and simplify the laying of rock and soil layers.

Method used

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  • Filler-free type karst cave or karst pipeline system in similar model test and embedding method thereof
  • Filler-free type karst cave or karst pipeline system in similar model test and embedding method thereof

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] figure 1 Among them, an unfilled karst cave or karst pipeline system in a similar model test, including a test bench 3, and several layers of similar materials 5 are laid in the test bench 3, and a tunnel 4 is excavated in the similar material 5, and a tunnel 4 is excavated in the similar material 5 There are unfilled karst caves or karst pipelines 7, and there are impermeable resin film bags in the unfilled karst caves or karst pipelines 7, and the impermeable resin film bags are connected to the water pump 6 outside the test bench 3 through the water inlet and outlet pipes 2.

[0024] The test bench 3 is a rigid transparent bench.

[0025] A method for embedding non-filling karst caves or karst piping systems in a similar model test, comprising the following steps:

[0026] A. Laying similar materials 5, laying similar materials 5 layer by la...

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Abstract

The invention relates to a filler-free type karst cave or karst pipeline system in a similar model test, which comprises a test rack, wherein a plurality of layers of similar materials are laid in the test rack; tunnels are dug in the similar materials, and a filler-free type karst cave or karst pipeline is arranged in the similar materials; a waterproof resin film bag is arranged in the filler-free type karst cave or karst pipeline and connected with a water pump at the outer part of the test rack by a water inlet pipe and a water outlet pipe. The invention also discloses an embedding methodof the system. The invention provides the filler-free type karst cave or karst pipeline system in the model test and the embedding method and solves the problems of the embedding and the simulation of the filler-free type karst cave or karst pipeline. The filler-free type karst cave or karst pipeline is embedded into the similar materials of the model test; compared with the former research, the invention more approaches engineering practice; and the application range of research achievement of the acquired geomechanics similar model test is wider.

Description

technical field [0001] The invention relates to a geomechanics technology, in particular to a non-filling karst cave or karst pipeline system and an embedding method in a similar model test. Background technique [0002] my country's karst area is widely distributed. Building underground tunnels or excavating roadways in karst areas can easily induce large-scale and sudden water inrush disasters during construction. Scholars in my country have carried out a large number of model test research work, but there are also obvious weaknesses. When doing the basic model of geomechanics similar model test, generally use uniform materials and simplify the laying of rock and soil layers. In actual engineering, affected by factors such as geological structure and dissolution, there are often many unfavorable geological bodies in engineering rock and soil, such as unfilled karst caves or karst pipelines. Contents of the invention [0003] The purpose of the present invention is to ov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00
Inventor 许振浩李利平李术才李树忱冯现大袁超
Owner SHANDONG UNIV
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