Performance Research on the Gypsum Based High-strength Cementing Material with Undisturbed FGD gypsu

来源 :The 8th International Symposium on Cement & Concrete(ISCC 20 | 被引量 : 0次 | 上传用户:akiheeca
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
  Original untreated FGD gypsum was used to prepare a kind of Gypsum Based high-strength Cementing Material.Physical and chemical characteristics of Undisturbed FGD gypsum were analyzed,for example,chemical composition,Physical properties and particle morphology.
其他文献
The changes of free water amount,rheological properties and electrokinetics of cement paste were examined by varying superplasticizers added to the cement paste,while different types of grinding aids
This paper presents the results of the investigation on influence of barium oxide on composition of Portland cement minerals.It is established that 25%of added barium oxide are in belite and 75%-in al
Using the waste clay brick(WCB)as siliceous materials to produce cement clinker.The heating temperature of raw materials ranged from 1250℃,1300℃,1350℃,1400℃ to 1450℃,and the sintered time was kept in
The effect of two kinds of ground limestone fillers on workability and the strength development of cement and the concrete are studied.It finds the blain and the dosage of limestone filler are the two
A M3 modification of tricalcium silicate(C3S)solid solution was investigated using transmission electron microscopy(TEM).Selected area electron diffraction(SAED)patterns and high resolution transmissi
Reducing emission of CO2 is the most important mission in cement industry.And cement industry must contribute to recycling by utilization of industrial waste and by-products as raw materials or fuel.R
The main aims of this study to investigate the influences of silica fume addition on the physico-mechanical properties of magnesia cement pastes mixed by seawater.Four mixtures(M1,M2,M3 and M4)were pr
In order to improve the durability of concrete structure,the cases where curing agent or surface modification agent be applied on the concrete surface after de-molding has increased.In this research,t
The cement were prepared by mixing dead-burned magnesia(M),and mono-potassium phosphate(mPP),with/without fly ash; in addition,borax(B)and di-potassium phosphate(dPP)were used as the retarders.The dur
First principles simulations based on density functional theory have been performed to investigate the electronic structure properties of αL-dicalcium silicate(αL-C2S),β-dicalcium silicate(β-C2S)and γ