Device for simulating and testing water burst of tunnel fissure

Abstract

The invention discloses a device for simulating and testing water burst of tunnel fissures. A testing soil mass box is composed of a bottom plate, a transparent top plate and around side plates, wherein the top plate is provided with a circular door cover and a rectangular door cover; the side plates are formed by overlapping external loading plates and internal water seepage plates; clamping grooves are clamped at two ends of the side plates; the water seepage plates are fixedly connected with the clamping grooves; adjacent clamping grooves are connected by using a soft material; the testing soil mass box is arranged in a frame-shaped counter-force bracket; a jack is arranged between each clamping groove and the counter-force bracket; a water intake tube which is connected with a pressurizing water intake device is inserted into the counter-force bracket; a water outtake tube is arranged at the bottom of the testing soil mass box; and a water collection container is arranged below the tail end of the water outtake tube. The excavation and water burst process of a tunnel can be revealed more really through the simulation and testing by the device, water burst paths also can be observed, the time and space change and the development regulation of planar fissures can be obtained, valuable testing data and reliable and targeted waterproof construction measures can be provided for designs and construction of tunnels, and the security and the efficiency in the tunnel construction are well ensured.

Description

technical field [0001] The invention relates to the fields of tunnel engineering, mining roadway, etc., and in particular to a tunnel fissure water gushing simulation test device. Background technique [0002] Seepage damage has always been a problem that plagues underground projects, especially deep-buried tunnels, hydraulic tunnels, mining roadways, and submarine tunnels. Because these projects are generally below the groundwater level, coupled with complex geological conditions such as water-rich karst caves and water-conducting faults, etc. As a result, mud gushes and water gushing geological disasters often occur, often causing serious engineering accidents. Therefore, the mechanical performance test and analysis of seepage damage caused by tunnel excavation disturbance is an important task to ensure the safety of the tunnel and the smooth progress of the tunnel construction. Existing simulation tests are usually carried out separately for the stress field and seepage ...

AI Technical Summary

Problems solved by technology

Existing simulation tests are usually carried out separately for the stress field and the seepage field, which often cannot reflect the real tunnel excavation and water inflow process and its influencing factors and laws. and construction to provide more valuable test data and reliable targeted waterproof construction measures, so that the safety and efficiency of tunnel construction cannot be well guaranteed

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