Effects of fly ash and pulverized blast furnace slag on resistance of permeability and resistance of freezing of high strength lightweight aggregate concrete (HSLWAC) were investigated.
研究了粉煤灰和磨细矿渣对高强轻骨料混凝土抗渗及抗冻性能的影响。
Adding aggregate into modified soil can further increase water-resistance and anti-freezing capability of the soils.
改性土中加入骨料，可进一步增强土体的抗水、抗冻性能。
The effect of curing regime, pre-wetting degree of lightweight aggregate, and the volume rate of sand on the frost resistance of high strength lightweight concrete is investigated.
采用快速冻融法研究了养护制度、轻集料的预湿程度和体积砂率对高强轻集料混凝土抗冻性能的影响。结果表明：轻集料混凝土具有良好的抗冻性能。
The results show that best permanent deformation resistance can be got when continuous dense gradation, which has even arrangement of coarse and fine aggregate is adopted.
结果表明，采用粗细集料搭配均匀的连续密级配和适中的沥青用量可以获得最佳的抗永久变形能力。
When coarse reclaimed aggregate is used to prepare concrete, the concrete is good in strength and frost resistance and its shrinkage is rather great.
采用再生粗集料配制混凝土时，强度和抗冻性均良好，但收缩较大。
The experimental results show that as far as crack resistance of concrete is concerned, the surface feature of coarse aggregate is more sensitive than aggregate shape.
试验结果表明：集料的表面特征对混凝土抗裂性的影响比集料的颗粒形状更为敏感。
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。
Research shows that the crack resistance could be increased by improving the interface transition zone, using high quality aggregate, increasing concrete strength and adding the admixtures.
研究表明：改善碾压混凝土的界面过渡区，提高混凝土用水泥韧性，选用优质骨料，提高混凝土的强度及添加外加剂可以提高碾压混凝土的抗裂性能。
This paper mainly researches the construction technology, skid-resistance performance and noise-reducing performance of the exposed aggregate cement concrete pavement.
本论文主要研究具有抗滑低噪声特性的露石水泥混凝土路面的施工工艺及其抗滑性能和降噪性能。
This paper mainly researches the construction technology, skid-resistance performance and noise-reducing performance of the exposed aggregate cement concrete pavement.
本论文主要研究具有抗滑低噪声特性的露石水泥混凝土路面的施工工艺及其抗滑性能和降噪性能。
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