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- The relationship between fracture properties of concrete and AE hits was analyzed. 分析了集料性状对混凝土断裂性能的影响以及声发射事件数和断裂性能的关系
- A.M. Neville , "Properties of Concrete" Longman House ,Burnt Mill , Harlow , 1995. 黄兆龙,"混凝土性质和行为",广昌出版社,台北(1984)。
- Troxell G.E and H.E.Davis. Composition and Properties of Concrete [M]. New York: Mc Graw-Hill, 1956. 朱伯芳。大体积混凝土温度应力与温度控制[M]。北京:中国电力出版社,1999。
- The compounding principle,methods and properties of concrete pumping admixture had been studied. 对混凝土泵送剂配制原理、方法及其性能进行了研究。
- Some properties of concrete, such as compressive strength, workability, heat of hydration were studied in this thesis. 本文首先对混凝土的强度、和易性、水化热等性质进行了探讨。
- Hirth, Thermal Properties of Concrete at Extreme Temperatures. Doctor of philosophy in Eny, inG,D, of The University of California, Berkeley,1982. 庄昆斌(张大鹏指导),蒸气养护对不同炉石添加量自充填混凝土热学性质及工程性质之研究,国立台湾科技大学硕士论文,民国93年。
- The influence of shear-pattern steel fiber on plastic cracking, drying shrinkage and mechanical properties of concrete is studied by experiments. 摘要通过试验研究剪切型钢纤维对混凝土的塑性开裂、干燥收缩及混凝土力学性能的影响。
- With regards to the engineering practice of concrete gate frusta in Yangjialing Spillway, the mechanical properties of concrete gate frusta have been experimentally researched. 结合杨家岭溢洪道闸墩实际工程,对以温度控制指标为主的闸墩混凝土相关力学性能进行了试验研究。
- Concrete pumping admixture GCL1-3 was developed by studying the properties of concrete superplasticizer GCL1 combined with water retaining admixture and air entraining agent. 通过研究缓凝高效减水剂GCL1与保水剂、引气剂的配伍性能,研制了混凝土泵送剂GCL1-3。
- Watstein, D., “Effect of Straining Rate on the Compressive Strength and Elastic Properties of Concrete,” Journal of the American Concrete Institute, Vol. 24, pp. 729-744, 1953. 董毓利,谢和平,赵鹏,“不同应变率下混凝土受压全过程的实验研究及其本构模型”,水利学报,第七期,第72-77页,北京,1997。
- He is studying the properties of these particles. 他在研究这些粒子的性质。
- On the basis of treating fiber with phase change materials (PCMs), the effect of PCMs on thermal insulation properties of concrete was investigated too. 同时在此基础上采用相变材料对纤维进行处理,研究相变材料对混凝土材料保温性能的影响规律。
- Besides strength and workability, many other properties of concrete, such as heat of hydration, have become more and more important in Concrete Mixture Proportioning. 强度、和易性这两个指标之外的混凝土的其它性质(如水化热等)日益得到重视。
- The modification effect of polymer fiber, steel fiber and fly ash on the inchoate shrinkage properties of concrete are respectively researched through lab experiments. 采用室内试验分别研究了聚丙烯纤维、钢纤维和粉煤灰对混凝土早期收缩性能的改善效果。
- He is studying the medicinal properties of wild plants. 他正在研究野生植物的药物特性。
- Furthermore,the shrinkage of concrete is improved by the proven hydro-expansive property of mineral activator. 此外,研究还证明无碱矿物激发剂具有水化膨胀性,它在一定程度上能改善混凝土的收缩。
- Interaction between systems or between properties of a system. 系统间或一个系统的各种特性之间的相互作用。
- The liquid is applied on the surface of concrete roof、metal roof in application and then it turn into a alu-grey-white rubber with properties of high elastic、high strength and strong UV-resistance. 该液体于建筑工程现场浇筑于混凝土屋面、金属屋面后,其形成一层有很高弹性、高强度、抗紫外线的白色或铝灰白的橡胶膜。该橡胶膜具有对基层材料有良好附着力,其在屋面形成一张没有接缝的弹性橡胶。该材料为打造白色冷屋面系统具有极佳的优势。
- Furthermore, the method for identifying the properties of the meso-elements is investigated and the meshing codes are designed to automatically generate the meso-scale structured grids of concrete. 本文给出的三维随机骨料模型算法不但考虑混凝土的骨料的实际级配和含量,而且计及了骨料的实际形态。
- In this paper,a method is given for reducing the prestress loss caused by elastic compression of concrete by using the recoverable property of elastic deformation. 根据弹性变形的可恢复特性,提出一种利用临时预应力钢束放松时产生的弹性恢复变形,来减小由于混凝土弹性压缩引起的预应力损失的方法。