The control of concrete cracks in the high-temperature and low-humidity circumstance
li xiaohong1; liuhui2; yang jianning3(1.hebeiheaven rich construct science and technology corporation; baoding 071000 ; 2.beijing four dabeikesi supervision corporation; shijiazhuang 050010; 3.concret branch hebei province architecture no.4company; shijiazhuang 050061)
Experiment research on elastic modulus of High performance Concrete
liu shang1; wen cuicui2(1.audit department of tianjin university of finance and economics; hexi tianjin; 300222; 2.tianjin college; university of science and technology beijing; baodi district tianjin; 301811)
Research and application of an adhesive and water-retaining admixture for commercial mortar
sun zhenping1; yu long1; pang min1; chen keke1; jiang zhengwu1; wang peiming1; wang xinmin2(1.key laboratory of civil engineering materials of ministry of education; tongji university; shanghai 200092; china; 2.association of dry-mixed mortar of china bulk cement society; beijing 100834; china)