天然骨料 meaning in Chinese

all-in aggtegate
natural aggregate

Compared with natural aggregate , the accumulation density of recycled aggregate is lower , the water absorption is higher , the surface is rougher and the crush index is greater , the performance of concrete changes evidently
再生骨料与天然骨料相比,堆积密度小、吸水率高、表面粗糙且压碎指标大,对再生混凝土性能影响明显。
After waste concrete are crushed , removed impurities , classification , they can be used as recycled aggregates . the technology of using recycled aggregates to confect recycled concrete not only may resolve the environment pollution produced by the waste concrete , but also may save crude aggregates resource , and bring the prominent social benefit , economic benefit and environmental benefit . it is a sustainable development road that can save resources and energy , alleviate the earth environment load and support the ecosystem balance
将废弃混凝土经过破碎、除杂、分级等处理后作为再生骨料，并利用再生骨料配制再生混凝土的技术不仅可以解决废弃混凝土带来的环境污染，还可以节约天然骨料资源，带来显著的社会效益、经济效益和环境效益，是一条节约资源、能源，减轻地球环境负荷及维护生态平衡的可持续发展道路。