1.School of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China; 2.West China Branch of First Construction Engineering Limited Company of China Construction Third Engineering Bureau, Guiyang, Guizhou 550023, China; 3.Guangzhou Municipal Construction Group Co. Ltd., Guangzhou, Guangdong 510030, China
Abstract：To solve the crack，empty，tympanic and desquamate quality problems in wall plaster layer，seven groups of polymer mortar with different mixture ratios and one group of normal cement mortar were prepared based on previous achievements of the authors′ research group. The mortar properties of consistency, layered degree， setting time， bonding strength， compressive strength and flexural strength were determined. The experiment results show that the adding of polypropylene fiber， emulsion powder， cellulose ether， wood fiber and expansive agent can improve mixability and waterretaining property of mortar with enhanced working performance and anticracking ability of mortar， and can reduce the ratio of compressive strength to flexural strength of mortar with strengthened bond strength between walls and plaster mortar layer and with prolonged setting time of fresh mortar. The improving mechanism of the above five additives to mortar performance is analyzed, and three groups of optional selection polymer mortar are obtained as references for engineering application.
2015, Vol. 36 
