Experiment on the low alkalinity steel slag as mineral admixture
低碱度转炉钢渣用作矿物掺和料的试验研究
The techniques such as optimization of basic parameters of concrete,admixture composition,large-volume mineral admixtures addition etc.
以适当的评价方法和指标研究了采用河砂自密实混凝土配合比且用机制砂代替河砂配制的混凝土的性能,并提出了机制砂自密实混凝土配合比基本参数优化技术、外加剂复掺技术、大掺量矿物掺和料复掺技术。
Impedance spectra of a variety of mineral admixtures in dry state as well as in aqueous paste were shown with a view to comparing the difference among them and elucidating the mechanism of their hydration process.
研究了不同矿物掺和料在干燥或浆体状态下的交流阻抗谱,通过比较其差异对矿物掺和料的水合过程机理进行了探讨。
The effect of mineral admixtures on the cyclic sulfate resistance of concrete was investigated.
结果表明干湿循环-硫酸盐侵蚀耦合作用下混凝土性能发展分为2个阶段:即侵蚀初期性能的提高段与随后性能的劣化段;矿物掺和料的掺入不能改善混凝土的抗干湿循环-硫酸盐侵蚀性能。
In order to investigate the effects of two mineral admixtures(i.
研究结果显示:矿物掺和料作为胶凝材料加入混凝土之后,由于其颗粒填充效应和火山灰效应,显著改变了硬化混凝土的微观结构特征以及初始缺陷的尺寸和空间分布特征;在水胶比和集料尺寸分布保持不变的条件下,矿物掺和料的掺入与否,是引起高性能混凝土展示出不同力学特性的主要原因。
By analysis of XRD and SEM,it is hold that high efficient active mineral admixture can enhance hydration of the system,improve mass of C-S-H gel,increase the number of C-S-H gel,weaken the negative influence of CH, and hence improve the strength and durability of concrete.
通过XRD衍射图谱和SEM扫描图片的分析,认为高效活性矿物掺和料能够提高超高强水泥浆体的水化程度,改善C-S-H凝胶的质量,增加C-S-H凝胶的数量,削弱CH的负面影响,从而提高混凝土的强度和耐久性。
By study on the development tendency of green high performance concrete,conclusion may be drawn that mixing with high performance wa ter re ducer and super-fine minerals admixture is a de-velop ment basis of mod ern high performance cement materials;high flu-idity and high dura bility are the special feature of it;self-compacting and high strength concrete are the direction of its development.
研究高性能混凝土和绿色高性能混凝土的现状与发展趋势后可以得出结论:掺加高性能减水剂和超细矿物掺和料的高性能混凝土是现代高性能水泥基材料的发展基础,高流动性和高耐久性是高性能混凝土发展的自身特点,自密实混凝土和高强混凝土是混凝土发展的方向。
Influence of Mineral Admixture on the Property of Light-weight Aggregate Concrete
矿物掺和料对轻集料混凝土性能的影响
The application of mineral admixture in lightweight cement-base composite wall panels
矿物掺和料在水泥基轻质复合墙板中的应用
The Study on the Effects of Multiple Component Mineral Admixtures on the Shrinkage of Concrete;
复合矿物掺和料对混凝土收缩影响的研究
Experiment on the low alkalinity steel slag as mineral admixture
低碱度转炉钢渣用作矿物掺和料的试验研究
Mineral admixture on the properties of foam concrete
矿物掺和料对泡沫混凝土基本性能的影响
Effects of Compound Mineral Admixture on Workability of Concrete
复合矿物掺和料对混凝土工作性的影响
Research of Proportioning High Performance Concrete (HPC) with Artificial Sand and Mineral Admixture
人工砂及矿物掺和料配制高性能混凝土的研究
Influence of Mineral Admixture and Recycled Aggregate on Workability of Recycled Concrete
矿物掺和料和再生骨料对再生混凝土工作性的影响
Influence of Mineral Admixture and Recycled Aggregate on Shrinkage of Concrete
矿物掺和料和再生骨料对混凝土的收缩性能的影响
Study of mineral admixtures controlling ASR by chemistry analytical method
化学分析法研究矿物掺和料抑制混凝土碱骨料反应
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.
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。
Effects of Mineral Admixture on Rheologic Properties and Compatibility of Cement Paste
矿物掺和料对水泥浆体的流变性和相容性的影响
Researches on Carbonation of Concrete with Multi-mineral Admixtures
复掺矿物掺合料混凝土碳化性能研究
Experimental research of carbonization of concrete with composite addition of mineral admixture
复掺矿物掺合料混凝土碳化试验研究
Study on compatibility of cement and mineral admixtures and superplasticizer
水泥和矿物掺合料与减水剂相容性问题的研究
The Application of Mineral Admixtures in High Performance Concrete
矿物掺和材料在高性能混凝土中的应用
THE EXPERIMENTAL STUDY ON THE STRENGTH OF HIGH-PERFORMANCE RECYCLED CONCRETE
再生骨料和矿物掺合料对再生混凝土强度的影响
Experimental study on mineral admixture and recycled aggregates affecting the rapid chloride permeability of high-performance recycled concrete
矿物掺合料和再生骨料对高性能再生混凝土渗透性的影响