Enhancing the Potentials of Fly Ash in Cement and Concrete

来源 :The 8th International Symposium on Cement & Concrete(ISCC 20 | 被引量 : 0次 | 上传用户:luchsky123
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  In India,the estimated generation of fly ash was of the order of 190 million tonnes in 2010-11,expected to reach 450 million tonnes by 2020-21 and 900 million tonnes by 2031-32,thus posing serious disposal and ecological problems in addition to occupying large tracts of scarce valuable land.
其他文献
The effect of coarse aggregate gradation on the pore features and mechanical property of porous ecological concrete is the focus of this paper.Three different sized coarse aggregates were used for thi
In new dry way predecompostion cement production,after preheating,raw meal comes into a calciner,and decomposition reaction occurs in,and then freshly generated CaO into a solid state reaction process
Currently,with concrete durability problems becoming increasingly outstanding,the premature breakage of concrete buildings-induced by inadequate durability is extremely serious which brings huge econo
The demand for polycarboxylate superplasticizer(PCE)applied in construction increases quickly with the development of construction industry.Polycarboxylate superplasticizer provides excellent workabil
In order to achieve rapid transportation and convenient preparation,the polycarboxylate superplasticizer(PCE)was synthesized in non-aqueous system with bulk polymerization.The results showed that the
Nitrogen oxides(NO,NO2,and N2O)resulting from combustion remain a major source for air pollution.They are major causes for acid rain,smog,ozone depletion,and green horse effects at present,the emissio
Magnesia-phosphate cement(MPC)is a kind of new cementing material composed of magnesia(MgO)powders,phosphate and setting retarder and so on.In order to explore the influence of calcined magnesia,fly a
Since concrete cracking has always been a primary factor that reduces the durability and applicability of the concrete,it draws more and more extensive attention by both international academia and eng
The performances of the polycarboxylate(PC)based superplasticizer compounded with sulfonated cyclohexanone-formaldehyde resin(SCF)were investigated in this work.The surface tension of the mixed polyme
Early hydration of alkali–activated slag cement(AASC)is different from Portland cement.Effects of activator type,modulus26of water glass(WG)and Na2O equivalent on setting time of AASC were studied by