掺合料
- 网络Admixture;mineral admixture;additive
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矿物掺合料对GRC耐久性的影响
Effect of Mineral Admixtures on the Durability of GRC
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当量碱概念及矿物掺合料对抑制ASR效用的试验研究
Test and Research on Equivalent Alkali Concept and Effects of Mineral Admixtures on Inhibiting ASR
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掺合料对砼早期抗裂性的影响混凝土断裂能GF随龄期、强度的变化规律
Effect of age and strength on fracture energy of concrete
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矿物掺合料对C3S胶凝体系的填充密实效应研究
Research of Filling Role of Mineral Blends in C_3S Cementitious System
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复合矿物掺合料的掺入使C2水泥浆体的粘度增大,而使屈服值减小。
The addition of the compound makes the viscosity of C_2 cement paste increases , and the yield value of it decreases in the meanwhile .
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矿物掺合料对ASR抑制效能的试验研究
Studies on Inhibiting Effects of Mineral Mixtures on Alkali-silica Reaction
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针对超早强的性能要求,试验比较了不同早强剂及早强性掺合料的性能表现,研制了早强性能显著、与高效减水剂和水泥相容性较好的RF掺合料;
According to the request of super high early strength , admixture RF is obtained though tests to compare performances of different accelerators and admixtures .
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采用粉煤灰、矿渣浆状掺合料,可配制出强度等级为C15~C60、坍落度为(200±20)mm的混凝土;
Concrete in strength grade of C15 ~ C60 with slump value of ( 200 ± 20 ) mm can be produced with fly ash or slag slurry .
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之后根据净浆PH试验以及XRD试验进一步深入研究矿物掺合料和养护条件对膨胀剂发挥补偿收缩开裂作用的影响。
After , the impact of mineral admixtures and curing conditions on compensation shrinkage cracking of expansion agent were in-depth studied by net slurry PH test and XRD test .
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玻璃砂浆棒法评价掺合料抑制ASR效果的研究
Study on effectiveness of mineral admixtures for suppressing ASR expansion by using glass mortar bar test
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纳米SiO2的生产成本在不断降低,石灰是一种经实际证明了的优良的建筑掺合料。
The production costs of nano-SiO2 is lower and lower constantly . Lime is a kind of excellent architectural admixtures which is proved by the reality .
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从物理和化学两方面,系统研究了矿物掺合料颗粒对C3S胶凝体系的填充密实作用。
The filling role of mineral blends in cementitious system was studied both physically and chemically .
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在改善混凝土工作性方面,SLP具有比相同细度的磨细粉煤灰优良的性能,是粉煤灰等矿物掺合料优良的代替品。
In the respect of improving workability , SLP has better effects than fly ash with the same fineness , which can substitute for the mineral admixture such as fly ash excellently .
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利用超微气流粉碎机制得了平均粒径为1~5μm的微米级粉煤灰,将其作为掺合料配制出具有较高流动性(坍落度20cm左右)的超高强混凝土;
Using fluid energy mill , fly ash was ground to micrometre grade with average diametre 1 5 μ m. Super high strength and better fluidity concrete is designed and fabricated .
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偏高岭土(Metakaolin,简称MK)是一种新型、优质的混凝土矿物掺合料,其火山灰活性和填充效应可优化混凝土的孔结构,改善混凝土的抗渗透性能。
Metakaolin ( MK ) is a new type of high quality concrete mineral admixture of pozzolanic activity and filling effect , which optimize the pore structure remarkably to improve the permeability performance .
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不同矿物掺合料因对混凝土水化进程与速率的影响不同,ARH下降也不同。
The reduction of ARH varies also with the different influences on the ratio and process of hydration of concrete with different mineral blends .
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硅灰是一种良好的混凝土掺合料,纳米SiO2同样具有火山灰活性,本文运用XRD、SEM、IR和激光粒度仪等现代测试手段研究了纳米SiO2和硅灰的火山灰反应活性差异的原因。
Silica fume is a perfect admixture in concrete and nano-SiO2 has also pozzolanic activity . This paper has studied the reasons of the difference of pozzolanic reaction activity between silica fume and nano-SiO2 by modern testing methods , such as XRD , SEM , IR and laser granulometer .
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MK具有高火山灰活性,正逐渐成为新一代高性能矿物掺合料。内掺10%时,其活性指数达到114,比硅粉高11.8%。
Activity index of Metakaolin was 114 that was larger by 11.8 % than that of silica fume . Metakaolin with high pozzolanic activity , a new kind of mineral admixture , can be used to prepare high strength concrete .
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使用SURFER绘制了道床板混凝土收缩应变等值线图。采用补偿收缩直接拉伸试验方法研究了加载龄期、约束度、矿物掺合料和温湿度对混凝土拉伸徐变性能的影响。
Draw the concrete shrinkage strain contours with SURFER . " Shrinkage-compensating tensile test method " was used to study the influence of mineral admixtures , and temperature and humidity , and loading age and degree of constraint on the performance of concrete tensile creep .
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Olson水吸附法的优缺点,并以其为基础进行了改进:以不同C/S的纯C-S-H凝胶为标准样;根据水化龄期及掺合料对C-S-H凝胶化学组成进行划分。
Olson water adsorption 's method , an improved method , including using different Ca / Si ratio of pure C-S-H as standard sample and classifying chemical composing according to the hydrate time and mineral admixtures ' effect , has been done based on it .
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以分层度、坍落度、扩展度为新拌混凝土工作性能的评价指标,研究了矿物掺合料、砂率、增粘剂和减水剂对高强轻集料混凝土(LWAC)工作性能的影响。
Influence of mineral admixtures , sand ratio , tackifier and water reducer on the workability of the high strength lightweight aggregate concrete ( LWAC ) are studied by taking advantage of segregation degree , slump and dispersion as evaluating indicators .
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利用Andreasen颗粒紧密堆积理论,将不同细度的矿物掺合料以适当比例掺配,使得胶凝材料颗粒的级配在一定程度上接近紧密堆积状态。
In this paper , by using the Andreasen theory of the dense packing powder , the author mixed the mineral admixtures in certain proportion to make the particle size distribution of the cementitious materials similar to that of the state of dense packing .
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低温条件下矿物掺合料对混凝土强度发展及抗冻临界强度的影响
Study on the Strength Development of Low-temperature Concrete with Mineral Admixture
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新型复合矿物掺合料对混凝土耐久性影响的研究
Research on the durability of concrete with new complex mineral admixtures
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掺合料对超高性能水泥基材料强度的影响
Influence of admixture on strength of ultra high performance cement-based composites
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用钢渣处理含铬废水合成了三种锰?锰矿渣粉作为混凝土矿物掺合料的试验研究
Experimental study on manganese slag powder used as concrete mineral admixture
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矿物掺合料对混凝土具有重要的强度效应。
Significant strength_effect by mineral admixture can be contributed to concrete .
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钢渣掺合料对水泥基材料渗流结构的影响
Influence of Steel Slag on the Percolation Structure of Cement-based Material
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粉煤灰-矿渣复合掺合料对海工砼耐久性的影响
Effect on the Durability of Marine Concrete With Multiple Blending Materials
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矿物掺合料对后张预应力孔道灌浆料性能的影响
The influence of mineral additives on properties of post tensioning grout