聚羧酸系高性能减水剂的复配技术及其在高强混凝土中的应用技术初探_邱诚.pdf

DOI :10.13204/j.gyjz2010.s1.056 邱　诚　陈泽兰　单　东 (, 　201900) 　:, 。:, , 、, ;, C60 。 :;;; ELEMENTARY RESEARCH ON COMPOUND TECHNOLOGY OF POLY-CARBOXYLIC SERIES HIGH-PERFORMANCE WATER-REDUCERS AND THEIR USE FOR HIGH-STRENGTH CONCRETE Qiu Cheng　Chen Zelan　Shan Dong (Yuanzhu ew Building Material Co.Ltd in Shanghai, Shanghai 201900, China) Abstract:It was mainly studied the compound behavior of poly-carboxylic series high-performance water- reducers with several common admixtures and their use technology of concrete, and especially high-strength concrete.The results show that it has a greater superiority for polycarboxylic series water-reducers to be used in high-strength concrete,which are the excellent water-reducer for preparing C60 and above C60 high-strength concretes. Keyw rds:polycarboxylic series high-performance water-reducers;compound;adoptability;high-strength con- crete 　　, 1　 。, 1.1　聚羧酸系高性能减水剂的减水原理及复配方 、 向 , , ,。 , 、、 、 、()、 。、“”, , ,, , ,。 , 、、 “”“”, 、, , ,( :, , 1977, 。 C60)。 E -mail:qiucheng21ct @ :2010 -04 -25 　　　Industrial Construction Vol.40, Supplement, 2010　　　 工业建筑　2010 年第40 卷增刊 864 , ,, 。, ,。, 。 , 2): JGJ 55— 、、 2000《》, 3 3 3 。, :360 kg/m , 850 kg/m , 1020 kg/m , 、、 , 1.2 , ,, S F、(160±20)mm ,、 , 。 , GB/T 50080—2