An all-inclusive waterproof station waterproof system and a dynamic setting limited drainage method

Abstract

The invention provides an all-inclusive waterproof station waterproof system and a method for dynamically setting limited drainage. The waterproof system includes surrounding rock grouting water blocking circle, primary support, drainage network system and hydraulic pressure-resistant lining structure, wherein the drainage network system Includes longitudinal and transverse drains fitted with PVC capillary drain sheets. The design of the present invention follows the principle of focusing on prevention, combination of rigidity and flexibility, multi-channel fortification, limited discharge, and comprehensive treatment. The waterproof system has the advantages of little impact on groundwater and surrounding appendages, and a limited drainage system is designed as a reserve for the all-inclusive waterproof system, which can avoid water accumulation and water head rise, ensure the smooth flow of drainage pipes, and have efficient drainage It is suitable for stations with less water output after excavation.

Description

technical field [0001] The invention belongs to the technical field of subway construction, and in particular relates to an all-inclusive waterproof station waterproof system and a dynamic setting limited drainage method. Background technique [0002] As a key and difficult point of the building, waterproof construction plays a vital role in the whole project and directly affects the use function of the project, especially in the construction of underground projects. Due to the influence of groundwater, the quality of waterproof construction is especially important. appear important. The waterproof design of water-rich tunnel stations in China mostly follows the principle of "prevention first, combination of rigidity and flexibility, multiple lines of defense, adaptation to local conditions, and comprehensive management". Anti-adhesive construction and fully enclosed multi-layer waterproof technology prevent groundwater from flowing, affecting and damaging the groundwater l...

AI Technical Summary

Problems solved by technology

The entire drainage pipe is filled with gravel and sand layer gradation around it, and the non-woven fabric, gravel, and sand layer are used as the filter layer. Since the drainage in this method is the gravity drainage realized by the head pressure, the soil particles will be under the pressure of the head pressure and It sinks under the action of gravity and enters the drainage pipe together with the water, which will lead to soil loss and blockage of the drainage pipe. The drainage function fails

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