Abstract
in order to use construction solid waste, the mix proportion tests of high-strength concrete doped construction solid waste are performed, and the influences of waste coarse aggregate replacement rate and basalt fiber on fluidity, compressive strength, elastic modulus and split strength of high strength concrete are investigated. The results shows: with increase of waste coarse aggregate replacement rate, the compressive strength and elastic modulus of high strength concrete are decreased as well as slump under the same strength grade; with increase of basalt fibers, the split strength of high strength concrete increases first and then decreases, but the compressive strength of concrete is almost constant, then the suitable replacement rate of waste coarse aggregate is 30%.
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