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- recycled concrete beam 再生混凝土梁
- Make an Approach to Economic Width of Reinforced Concrete Beam. 钢筋砼梁经济宽度探讨。
- 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。
- recycled aggregate concrete beam 再生混凝土梁
- Regardless of the age, compressive strength of recycled aggregate precoating is around 11% higher than that of recycled concrete. 裹浆再生粒料混凝土抗压强度不论龄期长短皆较未裹浆再生粒料混凝土高约11%25。
- reinforced recycled aggregate concrete beam 钢筋再生混凝土梁
- The influence of different content of polypropylene fiber and silica fume on the strength of the recycled concrete is also studied in... 研究了聚丙烯纤维和硅粉掺量对再生混凝土强度的影响,为实际工程应用,提供了理论依据。
- T.C.Hansen and H.Narud, “Strength of Recycled Concrete Made from Crushed Concrete Coarse Aggregate”, Concrete Inter-national/January 1983. 刘玉雯(1993)，"再生混凝土抗压行为之研究"，第十七届全国力学会议，台北，第847-853页。
- The development and application of recycled concrete in prac-tice engineering were introduced,and the method of mix design of recycled concrete was mainly described. 介绍了中外再生混凝土技术的发展和工程应用概况,着重阐述了再生混凝土配合比设计方法。
- They would certainly be less pleasing to the eye and often more expensive than the prestressed concrete beam. 与预应力混凝土梁比较，它们自然更显得外貌粗拙，不甚美观，而且成本也往往更高一些。
- Gravity framing in the basement takes the form of a conventional concrete beam and slab design. 地下室的重力框架采用了传统的混凝土梁板的设计。
- Its merged application in reinforced concrete beam, has proved validity of this method and practical value. 其在钢筋混凝土梁归并中的应用,证明了该方法的有效性和实用价值。
- The miners snaked through the basement rubble and prepared to strike a concrete beam with their hammers. 矿工们蛇行穿过地下室的碎石堆，准备用锤子砸开水泥梁。
- 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. 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。
- The test result showed that the proposed calculation method can be used in the prediction of ultimate capacity of FRP-reinforced concrete beam. 试验结果表明：该公式可以用来对纤维聚合物筋混凝土梁的正截面承载力进行预测。
- 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。
- Introduce the design and construction of reinforcing the reinforced concrete beam with SBC-300 carbon fiber cloth combining engineering examples. 结合工程实例介绍SBC-300型碳纤维布加固钢筋混凝土梁设计和施工。
- The intensified test research shows that the utilization of polypropylene fiber and silica fume can obviously improve the recycled concrete's mechanics performance and increase its strength. 通过试验研究,得出利用聚丙烯纤维和硅粉对再生混凝土进行强化,可以明显改善其力学性能,提高其强度;
- A computing method is presented for studying the bending moment, axial force and curvity relationship at the section of prestressed concrete beam. 提出预应力砼截面弯矩-轴力-曲率关系的计算方法，并计算了不同预应力度下截面的弯矩-曲率关系。
- The results indicate that there are some relativity between the gas anti-permeability and carbonation resistance, and both properties of recycled concrete are worse than those of normal concrete. 对再生混凝土的抗气渗性和抗碳化性能进行了研究，试验结果表明：再生混凝土的抗气渗性和抗碳化性能之间具有一定的相关性，但该两者均较普通混凝土差。
