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1·The mortar which made by the recycled sand is called recycled aggregate mortar.

而以再生砂配制的砂浆称为再生骨料砂浆。

2·Limestone is regarded as the original concrete aggregate to prepare recycled aggregate.

利用石灰石作基体混凝土集料制备可循环集料。

3·The studies show that Recycled Aggregate Concrete Members has better seismic performance.

本文研究表明，再生混凝土构件具有良好抗震性能。

4·Recycled aggregate of old cement concrete is a new material and it is necessary to study the road performance.

旧水泥混凝土再生骨料是一种新材料，必须对其路用性能进行研究。

5·The preparation of recycled aggregate concrete by using waste concrete has been highly valued in developed countries.

利用废弃混凝土制备的再生骨料配制混凝土在发达国家已引起高度重视。

6·Based on the test results, calculation equations for compressive strength and elastic modulus of recycled aggregate concrete were proposed.

基于试验结果，建议了再生混凝土早期抗压强度和弹性模量的计算公式。

7·From the technique point of view, there are no difficulties to recycle waste concrete as recycled aggregates and recycled aggregate concrete.

从技术的角度来讲，废弃混凝土资源化产品即再生骨料和再生混凝土技术已基本成熟。

8·Firstly, the fundamental properties of recycled aggregate were taken into consideration. Physical and chemical methods were used for activation.

本文首先研究了再生骨料的基本性能指标，分别采用物理和化学方法进行活化。

9·However, when water cement ratio is below 0.57, compressive strength of recycled aggregate concrete increases with water cement ratio increased.

当水灰比小于0 57时，再生混凝土的抗压强度随着水灰比的增大而增大。

10·The main conclusions: 1. With the increase of recycled aggregate replacement rate, the seismic performance of recycled concrete frame is decreased.

主要结论：1。随着再生骨料取代率的增加，再生混凝土框架的抗震性能有所降低。