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- 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 SOFTWARE DEVELOPMENT OF THE DESIGN OF CONCRETE MIXTURE PROPORTION AND THE QUALITY CONTROL OF CONCRETE 混凝土配比及质量控制软件系统的开发
- concrete mixture proportion 混凝土配合比
- A concrete mixture that is sprayed from a special gun over steel reinforcements in light construction. 压力喷浆一种从特殊喷枪喷出的混凝土的混合物，用来喷在小型建筑的钢筋加固物上
- 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。
- This paper introduces the application of wet-spraying concrete in slopping roof,including the mixture proportion design,the selection of materials,local experiments,and construction techniques,etc. 介绍喷射混凝土在某工程坡屋顶施工中的应用,包括"湿喷法"喷射混凝土的配合比设计、材料及外加剂选择、现场试验、施工工艺等。
- Under the maximum mixture proportion of biomass granule, discharge amount of SO2 can reduce 50%. 在生物质颗粒最大掺混量的情况下，SO2的排放量减少50%25。
- The influences of the oxidating temperature and the mixture proportion on the surface composition and structure were analyzed. 研究了氧化温度和氧氮比对形成钛表面氧化层的组织成分和相结构的影响。
- The aboveground and belowground biomasses of L. perenne were significantly affected by density, mixture proportion, ryegrass-transplant time, and their interactions. 栽植时间越晚、密度越大，黑麦草的竞争力就越弱(尽管不存在直线关系)。
- A concrete mixture that is sprayed from a special gun over steel reinforcements in lightconstruction. 压力喷浆一种从特殊喷枪喷出的混凝土的混合物,用来喷在小型建筑的钢筋加固物上。
- How to prevent the appearance of reflection cracks after the cement concrete pavement is covered by the asphalt concrete mixture? 如何防治水泥混凝土路面上加铺沥青混凝土面层后产生的反射裂缝?
- Formed from calcicrete, an advanced concrete mixture, these wall sections serve to both block enemy movement and provide minor cover from direct fire. 由钙质壳构成;是一种高级的混凝土混合物;这种围墙不仅可以阻碍敌军前进;并且可以轻微的防护直射火力.
- The freezing and thawing resistance of concrete mixture was investigated with the addition of such highly active RHA at ratios of water to binder in mass of 0. 65的掺高活性稻壳灰混凝土的抗冻融特性,分析了气泡及空气量对高活性稻壳灰混凝土的抗冻融特性的影响。
- Concrete mixture is something like general Bingham materials.The pumped concrete can be considered as Bingham material flows along pipe under thrusting force. 混凝土拌和物类似于一般宾哈姆体，泵送混凝土可认为是宾哈姆体在推力作用下沿管道的流动。
- Many of concrete products mainly are mixed with breeze, some of them are mixed with fly ash also, which make concrete elements ninth complex and require higher demands for ratio design of concrete mixture. 摘要目前的商品混凝土多以掺加矿粉为主，有的还掺加粉煤达，致使混凝土成分复杂，因而对混凝土配合比设计提出了更高的要求。
- optimizing of mixture proportion 配合比优化
- To prevent massive concrete from cracking, not only should the concrete mixture, formwork design and bracing system design be adjusted, but also some effective thermal-insulating techniques on concrete slabs and walls are applied in construction. 为了防止大体积混凝土施工出现裂缝，除了采取调整混凝土配合比设计、施工模板结构设计、支撑体系设计等技术措施外，还需要对大体积混凝土底板、墙体和顶板处采用技术保温措施。
- At the beginning stage of pumping, the piston compresses the concrete mixture, the pressure in concrete cylinder increases rapidly and the air in concrete mixture is compacted and excluded. 在泵送开始阶段，活塞压缩混凝土拌和物，混凝土缸压力在很短的时间内迅速上升，此时混凝土拌和物中的空气得到压实和排出；
- Secondly, it manages "complete numeration" combining basic theory of concrete mixture ratio.Then, it puts forward ameliorative design method according to five reference points of HPC manufacture. 其次,依据高性能混凝土研制过程中五个关键的质量控制点,结合混凝土配合比设计的基本理论运用“全计算法”提出了混凝土配合比设计的改进设计方法。
- LIU Guo-hua, CHEN Bin, WANG Shu-yu, etal.Optimization of concrete mixture on the basis of artificial neural network and Monte-Carlo technique [J].Journal of Hydroelectric Engineering, 2003, 4: 45- 53. [5]刘国华;陈斌;汪树玉.;基于人工神经网络和MonteCarlo法的混凝土配合比优化设计研究[J]
