Method for designing blast wall with multiplayer composite structure

Abstract

The designing method of the multilayer composite structure blast-proof wall of the present invention belongs to security and blast-proof fields combining technology, and relates to blast impact theoretical calculation and experiment testing research. Its characteristic is that the multilayer composite structure blast-proof wall is made from adding foaming concrete, flinty lacunaris polyurethane or other macromolecular lacunaris materials in the middle of the concrete wall body. Compared with the traditional blast-proof wall, the wall body structure adopts the three or five layer composite modality. According to the designing requirement that the blast-proof wall should be able to resist the detonation impacting energy, do optimizing design to the structure of blast-proof wall on the basis of theoretical calculation and experiment test, including the selection of blast-proof wall layers, the material depth proportion of every layer and lacunaris material. Its effect and benefit are that when occurring to close quarters detonation event, it can not only assure the whole structure intensity of blast-proof wall and resist high-speed impacting breakage, but also effectively attenuate the explosive shock wave energy, and is a further development to construction secure blast-proof technology.

Description

technical field

[0001] The design method of the multi-layer composite explosion-proof wall of the invention belongs to the field of building safety explosion-proof. It not only involves the theory and application of explosion impact, but also the practical application technology of building explosion-proof engineering. Background technique

[0002] Explosion-proof safety is a very important link for pyrotechnics manufacturers, important military facilities and embassies abroad, and it is also a research field that is currently concerned by countries all over the world. In order to reduce casualties and other losses caused by accidental explosions, according to the "Unified Standards for Building Structure Reliability", important building facilities such as pyrotechnics manufacturers and embassies need to set up explosion-proof walls made of reinforced concrete, and there will be explosions. The hazardous area is separated from other areas. When explosives explode, there ar...

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