以下为句子列表：
英文: By uses of Handan raw materials, this paper studies the influence of coarse aggregate limiting grain size, water-binder ratio, fly ash replacement, sand-total aggregate ratio on the strength and workability of concrete prepared with low water-binder ratio
中文: 摘要本试验采用邯郸当地的混凝土原材料，利用正交设计方法，试验研究和分析了粗骨料最大粒径、水胶比、粉煤灰掺量、砂率对低水胶比混凝土的强度及和易性的影响。
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英文: The gas anti-permeability and carbonation resistance of recycled concrete, which was prepared by using waste concrete as recycled coarse aggregate (RCA) and some cement and mineral additions as raw materials, were studied.
中文: 摘要以废弃混凝土为再生粗集料，再适当掺加一定量的水泥和矿物掺和料，制成再生混凝土。
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英文: The result shows that the abrasion resistance capability of the aggregate is a little degradation, and that the coarse aggregate coated by powder has a little effects on the mechanic properties of RCC, such as the compressive strength and limiting tensile
中文: 结果表明：粗骨料抗磨耗能力略差，粗骨料表面裹粉对碾压混凝土的抗压强度、极限拉伸值及引气剂的引气效果影响较小，对碾压混凝土抗渗、抗冻性能影响不大。
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英文: The results indicate that the limiting grain size of coarse aggregate has significant effect on the strength and workability of concrete, but it is lower than that of W/B ratio.
中文: 结果表明：粗骨料的最大粒径对混凝土强度、和易性有明显影响，但水胶比仍是影响混凝土强度及和易性的主要因素。
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