Pre-warning method for preventing tunnel vault concrete from disengaging

Abstract

The invention relates to a pre-warning method for preventing tunnel vault concrete from disengaging. An anti-disengaging pre-warning device and a tunnel second lining trolley are included. The anti-disengaging pre-warning device comprises pressure contact induction devices, network cables, an electric switch box and an alarming system. The pre-warning method comprises the following steps that a, the pressure contact induction devices are mounted on a tunnel vault waterproof plate corresponding to the tunnel second lining trolley, and the pressure contact induction devices, the electric switchbox and the alarming system are connected to form the anti-disengaging pre-warning device through the network cables; b, pouring of the second lining concrete is conducted by using the tunnel second lining trolley; and c, along with rising of a pouring face of the second lining concrete in the pouring process, the concrete is in contact with the pressure contact induction devices on the tunnel vault waterproof plate, the corresponding alarming system gives out an alarm, and it is proved that the second lining vault concrete is poured compactly. The pre-warning method can well avoid the existing phenomena of disengaging and hollow voids caused by incompact grouting of the tunnel second lining vault concrete.

Description

technical field [0001] The invention relates to the field of tunnel construction, in particular to an early warning method for preventing tunnel vault concrete from falling out. Background technique [0002] With the development of social economy and the improvement of engineering design level, in the fields of transportation, water conservancy and national defense, the architectural structure of tunnels has been widely used. Secondary lining is an important link in tunnel construction. Secondary lining is It refers to the inner lining built with concrete and other materials under the condition that the initial support of the tunnel has been carried out, so as to achieve the functions of strengthening the support, optimizing the route waterproof and drainage system, beautifying the appearance, and conveniently setting up communication, lighting, monitoring and other facilities. , there is generally a lack of effective monitoring methods during the concrete pouring process of...

AI Technical Summary

Problems solved by technology

[0002] With the development of social economy and the improvement of engineering design level, in the fields of transportation, water conservancy and national defense, the architectural structure of tunnels has been widely used. Secondary lining is an important link in tunnel construction. Secondary lining is It refers to the inner lining built with concrete and other materials under the condition that the initial support of the tunnel has been carried out, so as to achieve the functions of strengthening the support, optimizing the route waterproof and drainage system, beautifying the appearance, and conveniently setting up communication, lighting,...