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- In addition,water quantity of concrete is bigger,plastic shrinkage of concrete is bigger when water to cement ratio is invariable. 通过试验研究了混凝土用水量、水灰比等混凝土配合比参数对混凝土塑性收缩的影响。
- plastic shrinkage of concrete 混凝土塑性收缩
- This paper introduces the influence of the polyropylene fiber on plastic shrinkage and anti-permeability of concrete,and the analysis of anti-cracking and impermeability mechanism. 介绍了聚丙烯纤维对混凝土塑性收缩及抗渗性能的影响,并进行机理分析,最后展望了聚丙烯纤维混凝土在渠道防渗工程中的应用前景。
- The thesis studies the influence of compounding polypropylene fiber and expansion agent to Plastic shrinkage of mortar. 摘要混凝土的塑性收缩裂缝，是其结构原生缺陷的主要来源，无论是否可见，都会影响混凝土的耐久性。
- In this work, the effect of water-binder ratios (w/b) and amount of admixture on the plastic shrinkage of blended cement paste were investigated. 摘要采用自行设计测定塑性收缩的方法，对不同胶凝材料净浆在不同水胶比情况下的塑性收缩变化规律及矿物掺和料对塑性收缩的影响进行了研究。
- 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。
- International Symposium on Creep and Shrinkage of Concrete . London: E&FN Spon , 1993 . 493-498 . 巴恒静、高小建、杨英姿，高性能混凝土早期自收缩测试方法研究，工业建筑，2003（8）
- The crack of concrete is always a big disturbing problem,and the reason of this fatal disadvantage is the shrinkage of concrete. 普通混凝土的开裂问题一直是困扰建设者的难题,造成混凝土这一致命弱点的原因是混凝土的收缩。
- In this paper,the effects of the steel fibers of different elastic modules,polypropylene fibers and polyacrylonitrile fibers on the dry shrinkage of concrete are studied. 主要研究了不同弹性模量的钢纤维、聚丙烯纤维和聚丙烯腈纤维混杂对水泥混凝土的干燥收缩性能的影响。
- The dynamic models of hydration reaction of cement and autogenous shrinkage of concrete were constructed respectively based on the multi-composition and multi-scale hydration reaction of cement. 摘要基于水泥的多组分和多尺度水化反应的原理，分别建立了水泥的水化反应和混凝土自收缩的动力学模型。
- Brooks JJ, Hynes JP. Creep and Shrinkage of Ultra High-strength Silica Fume Concrete . The 5thInternational Symposium on Creep and Shrinkage of Concrete . London: E&FN Spon , 1993 . 493-498 . 巴恒静、高小建、杨英姿，高性能混凝土早期自收缩测试方法研究，工业建筑，2003（8）6
- The nonlinear mapping from mixture proportion of high performance concrete to self-desiccation shrinkage of concrete at early age is established by using artificial neural network. 采用人工神经网络方法,建立高性能混凝土原材料配合比与其早龄期自干燥收缩之间的非线性映射关系。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- Effects of sand percentage on plastic shrinkage cracking of concrete 砂率变化对混凝土塑性收缩裂缝的影响
- The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
- These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
- Shrinkage of concrete and cracking of floor slab 混凝土收缩与楼板裂缝
- Research on dry shrinkage of concrete 混凝土的干缩研究
- The gravel ingredient of concrete. 石碴组成混凝土的砂料
- DRYING SHRINKAGE OF CONCRETE WITH GROUND SLAG 矿粉混凝土干燥收缩性能
