The basic properties of recycled concrete are directly affected by the recycled concrete aggregate.
再生混凝土骨料的基本性能直接影响再生混凝土的性能。
The recycled concrete aggregate stabilized by lime and fly-ash(RSLF) is designed and fabricated by use of lime, fly-ash and recycled concrete aggregate(RCA).
采用石灰、粉煤灰及再生混凝土集料为原料，配制成二灰稳定再生集料。
The basic properties of recycled concrete aggregate directly affect its performance; therefore, the research on the properties of recycled aggregate is especially important.
再生混凝土骨料的基本特性直接影响到它的性能，因此研究再生骨料的性能显得尤为重要。
In the experiment of recycled concrete aggregate, compared with natural aggregate and recycled aggregate, analyzed the basic properties of recycled aggregate, and also made the intensifying test.
再生骨料试验，通过再生骨料与天然骨料的对比，分析了再生骨料的基本性能，并对其进行了强化试验研究。
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。
The effects of recycled aggregate quantity, PFA replacing cement quantity, PFA over-replacing quantity and water cement ratio on PFA regeneration concrete compression strength were studied.
研究了再生骨料掺量、粉煤灰取代水泥量、粉煤灰超量系数和水灰比对粉煤灰再生混凝土抗压强度的影响。
The influence of recycled coarse aggregate replacement rate on properties of concrete with the same slump is discussed in the paper.
系统研究了坍落度相同的情况下再生粗骨料取代率对混凝土基本性能的影响。
Some equations for the properties of concrete with different percentages of recycled aggregate of the two cases are proposed based on the test results.
最后根据本文的试验结果，建议了两种情况下不同再生骨料掺入量混凝土的基本力学性能计算公式。
The influence of different recycled coarse aggregate (RCA) replacement ratios on the strength of recycled concrete was investigated.
研究分析了再生粗集料不同取代率对再生混凝土各种强度指标的影响。
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。
Experimental work was conducted to investigate the basic physical and mechanical properties of concrete with different percentage of recycled aggregate.
对配合比相同和坍落度相同两种情况下，不同再生骨料掺入量混凝土的基本性能进行了系统的试验研究。
It is summed up through the test that the compressive strength and the cleavage tensile strength of and recycled concrete increased with the enhancement of the strength of recycled coarse aggregate.
通过试验总结出再生混凝土劈裂抗拉强度与抗压强度随着再生粗骨料强度等级增加而逐渐增加。
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。
Compared with the normal concrete, ratio of the splitting tensile strength to the compression strength of recycled aggregate concrete with fly ash is increased, and the cracking resistance improved.
掺粉煤灰再生骨料混凝土的拉压比与同强度等级的高强混凝土相比有所提高，抗裂性能有所改善。
By comparing the equations from two cases, the result shows that both equations can express the basic mechanical property of concrete with different recycled aggregate.
并进一步对比了两种情况下得到的计算公式，结果表明，两种情况下得到的公式均可以用来描述不同再生骨料掺入量混凝土的基本力学性能。
Recycled aggregate is made from crushed concrete rubbish which is from demolished concrete building. The aggregate shall not be used until it is graded.
建筑物或构筑物解体后的废弃混凝土经破碎、分级成为混凝土集料，称为再生混凝土集料。
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。
The obtained results about the present research of the recycled aggregate and recycled concrete were analyzed and the basic behaviour was summarized in this article.
本文对国内外再生骨料和再生骨料混凝土的研究现状进行了分析，总结了再生骨料和再生骨料混凝土的基本性能。
The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.
本文研究了再生粗骨料掺量、再生细骨料掺量、粉煤灰取代水泥量和水灰比对再生混凝土抗压强度和坍落度的影响。
And analyses that the five factors have an effect on the workability and mechanical properties of recycled coarse aggregate high strength concrete.
分析这五个因素对再生混凝土工作性能和力学性能的影响。
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。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点，对基于自由水灰比再生混凝土的配合比设计进行研究。
On the physical properties, many deferent ingredients of recycled concrete are tried by adjusting concrete mixture ratio including the recycled coarse aggregate, FDN and fly ash.
在再生混凝土基本性能方面：通过采用不同的水灰比、不同的再生骨料的取代率以及不同的减水剂掺进量，配制再生混凝土。
The results show that the compressive strength and elastic modulus of recycled coarse aggregate concrete are lower compared with conventional concrete.
结果表明：相对于普通混凝土，随着再生粗骨料取代率的增加，再生粗骨料混凝土具有强度和弹性模量降低等特点；
Moreover, chloride ion charge passed of recycled concrete was increased with the incremental replacement of recycled coarse aggregate.
再生混凝土氯离子导电量随着再生粗骨料取代率的增加而增加。
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。
The recycled aggregate will have the influence to the recycled concrete strength in lieu of the rate and sources, but it affects the scope not more than 10%;
再生骨料的替代率和来源对再生混凝土强度影响基本在10%范围之内；
The mechanical properties of recycled aggregate concrete at early age are very important for the construction projects safety using this kind of material.
再生混凝土的早期抗压强度和弹性模量对于该类结构施工期的安全性具有重要影响。
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。
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。
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