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recycle concrete
相关语句
  再生混凝土
     CURRENT RESEARCH AND BASIC PERFORMANCE ON THE RECYCLE CONCRETE
     再生混凝土的研究现状及其基本性能
短句来源
     In this article, the concepts concerning recycled concrete are defined and the feasibility to technique and economical of recycle concrete are analyzed.
     本文首先阐述了再生混凝土技术的概念; 分析了再生骨料配制混凝土的技术和经济可行性;
短句来源
     Recycle concrete is used for slope protection engineering, which can conservate water and soil, prevent from eroding.
     再生混凝土用于护坡工程中,可以保持水土,避免冲刷.
短句来源
  相似匹配句对
     Concrete recycle equipment
     浅谈混凝土回收设备
短句来源
     concrete;
     混凝土;
短句来源
     RECYCLE
     循环再利用
短句来源
     Discussion on recycle and utilization of recycled concrete
     对再生混凝土回收利用的探讨
短句来源
     Intellectual Concrete
     智能混凝土
短句来源
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  recycle concrete
There is an opportunity to recycle concrete, aggregates and asphalt for reuse as base material for new roadway and sidewalk systems.
      


A method to resuse concrete that has been recycled from the job site either entirely or partially unused (called recycled concrete )is studied.By adding a stabilizer to recycled concrete to cease cement hydration,leaving it in a fresh concrete state for a long time,and then adding an activator or mixing with fresh concrete the following days to produce R-concrete.The more the stabilizer is added,the longer the setting time will be before adding an activator.The results...

A method to resuse concrete that has been recycled from the job site either entirely or partially unused (called recycled concrete )is studied.By adding a stabilizer to recycled concrete to cease cement hydration,leaving it in a fresh concrete state for a long time,and then adding an activator or mixing with fresh concrete the following days to produce R-concrete.The more the stabilizer is added,the longer the setting time will be before adding an activator.The results of experiments showed that the properties of R-concrete,such as compressive strength,freeze resistance and change in length are equivalent to ordinary concrete.It means that R-concrete can be used as P.C.with the effect of reduction project's costs and protection of environment.

本文主要研究施工剩余混凝土或因施工事故暂停使用的混凝土 (通称回收混凝土 )再利用的方法。通过向回收混凝土中加入稳定剂来抑制水泥的水合作用 ,使之在很长的时间内保持新拌状态 ,然后在随后的几天内向其中加入活性剂或和新拌混凝土一起搅拌形成再生混凝土 ,实验表明 ,加入稳定剂越多 ,加入活性剂前的搁置时间就越长。通过实验发现这种混凝土的主要性质如和易性、抗压强度、抗冻性、收缩变形等都与新拌混凝土相同 ,即新生混凝土可和普通混凝土一样被利用。这不仅有利于工程成本的降低 ,而且有利于环境保护。

Great quantity of concrete debris generated from more and more building demolition, which not only pollutes environment but also waste natural resources. To replace natural aggregate by waste concrete debris and then make recycled concrete is a technology of remarkable environmental and economical benefit. It proves the concrete mixed by recycled rough aggregate and natural sand or partially recycled fine aggregate and partially natural sand is of higher strength.

越来越多地拆除建筑物会产生大量的废弃混凝土块 ,既带来环境污染 ,又造成资源浪费。利用废弃混凝土块生产再生骨料代替天然砂石骨料配制再生混凝土的技术 ,采用再生粗骨料和天然砂组合 ,或再生粗骨料和部分再生细骨料、部分天然砂组合 ,制成的再生混凝土强度较高 ,具有明显的环境效益和经济效益。

According to state standard Road Engineering Regulations for cement concrete (JTJ053 - 94), carried out a serious of experiments including tensile strength, broken strength, frozen and thawed cycle and moisture rate and rate of absorption. All these experiments indicate sufficiently that recycled concrete not only has the higher strength but also is more durable.

本文根据国家标准《公路工程水泥混凝土试验规程》(JTJ053—1994),对再生混凝土进行抗压强度、抗折强度、冻融循环、吸水率试验,试验表明了再生混凝土不仅有较高的强度,而且还具有很强的耐久性,从而为再生混凝土推广提供了理论上和技术上的依据。

 
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