Funded by the National Natural Science Foundation of China(No.52172026);the Science and Technology Development Project of China Railway Design Corporation(Nos.2023A0226407 and 2023B03040003)。
A ternary system comprising Ca_(20)Al_(26)Mg_(3)Si_(3)O_(68)(Q-phase),limestone,and metakaolin is proposed,and its hydration behavior,hydration product phases,microstructure,and mechanical properties are investigated ...
Funded by the National Natural Science Foundation of China (Nos.51772033, 52002040);the National Key Research and Development Program of China (No. 2023YFB3711400)。
The purpose of this research is to investigate the hydration behavior and cementitious properties of the mixture of calcium carbonate and aluminate, and to explore whether it can be adopted as a new low-carbon cementi...
Funded by National Natural Science Foundation of China(No.51378499);China Railway Corporation(No.2014G004-R);Science and Technology of China(No.2010G004-E)
Extensive researches have been carried out on the conventional sulfate attack, while it has been found that the thaumasite form of sulfate attack(TSA), sulfate attack at low temperature, has just been discovered and...
Funded by the National Natural Science Foundations of China(Nos.51108282 and 51478278);the Excellent Youth Scholars of University Science and Technology Research of Hebei Province(No.Y2011111)
Three different types and sizes of coarse aggregate were chosen,and the alternating current(AC) impedance of cement paste samples with and without aggregate was measured at different curing ages.Based on Song’s equ...
Funded by the National Natural Science Foundation of China(No.51109073)
Limestone in cement could be a source of CO3^2- needed for thaumasite formation which will result in thanmasite form of sulfate attack (TSA) probably. TSA has more deterioration than ettringite or gypsum form of sul...
Funded by the National Basic Research Program of China(No.2009CB623105);the Natural Science Foundation of Education Agency of Anhui Province(No.KJ2012A052);the Anhui Provincial Natural Science Foundation(No.1208085ME82);the Doctor Fund of Anhui University of Architecture(No.20123302)
Physical properties and geometrical morphologies of crushed air-cooled blast furnace slag (SCR) and crushed limestone (LCR) were comparatively investigated. The shape, angularity, surface texture and internal pore...
Funded by the National Basic Research Program of China(2009CB623105);the Natural Science Foundation of Education Agency of Anhui Province (KJ2012A052);the Anhui Provincial Natural ScienceFoundation(1208085ME82);the Doctor Fund of Anhui University of Architecture(20123302)
Morphology characteristics of mix aggregates with crushed air-cooled blast furnace slag(SCR) and crushed limestone(LCR) with 5-20 mm and 20-40 mm gradation were represented by numerical parameters including angula...
Funded by the Science and Technology Item of Communication Construction for West China (No.2009318811082)
To meet the requirements of construction of concretes filled in the steel tube arches,a C60 grade micro-expansive self-compacting concrete (SCC) was prepared from manufactured sand (MS).The utilization of MS with ...
A new type of cement was prepared with ground limestone powder, blastfumace slag, steel slag and gypsum without calcination. The fraction of ground limestone powder in the cement was as high as 40 wt%-60 wt% without P...
the"National Key Basic Research Development Programming"Project of China(No.2001CB610703).
The mechanical properties of several kinds of coal gangue calcined with limestone were Researched so as to find the optimum way of calcinations with limestone. Microstructure and property of hydration process of cemen...