Macromolecule composite for manhole cover

Abstract

The composite polymer material for manhole cover is one kind epoxy resin cemented concrete, and consists of epoxy resin fluid an in 10-20 wt% and compounded concrete B in 80-90 wt%. Manhole cover made of the material has high toughness and high shock strength, can prevent damage during transportation, construction and use. It is also anticorrosive, has no noise produced and may be colored.

Description

technical field [0001] The invention relates to a resin-based building composite material, in particular to an epoxy resin cemented concrete. Background technique [0002] The manhole cover made of traditional materials is prone to rust under natural conditions, and it is easy to generate noise when vehicles pass by. Modern roads, especially expressways, have a large traffic flow and many heavy vehicles. Traditional manhole covers are also difficult to meet the requirements in terms of strength. The manhole covers laid on the road are often stolen, causing pedestrians and vehicles to be injured. . A few years ago, a steel fiber reinforced concrete manhole cover was developed. Its pressure bearing effect is much higher than that of the cast iron manhole cover of the same specification. It can meet the requirements of passing heavy vehicles. It does not produce noise, has no value for theft, and can prevent theft. Steel fiber reinforced concrete manhole cover has high compre...

AI Technical Summary

Problems solved by technology

The steel fiber reinforced concrete manhole cover has high bearing strength, but the material itself is brittle and the impact resistance is not ideal, especially when the joint between the manhole cover and the road surface is uneven during construction, there may be corners or cracks from time to time