Authors : Natalya Nikolaevna Onoprienko, Shark Matrasulovich Rahimbaev, Ilya Alekseevich Degtev and Pavel Sergeevich Baskakov
Abstract: Polymer additives of local and foreign production for application in dry building mixes technology were presented. The necessity of expanding the range of polymer additives produced in Russia for manufacturing ompetitive products was proved. It was shown that the use of local water-soluble polymers masonry mortars with additives (methylcellulose, hydroxyethyl cellulose) in the amount of 0.5-1% prevents softening and cracking of masonry at the junction of bricks, provides high adhesion to stone walling, increases the solidity of masonry. The load bearing strength of masonry cement-sand mortar with the addition of 0.5% methylcellulose increases by 20% compared with the brickwork on the traditional mortar without the addition of polymer. The generation of major cracks in case of central compression of masonry on on the basis of cement-polymer mortar occurs at higher intensities of breaking load. Additives of studied domestically manufactured water-soluble polymers are environmentally friendly products. The low percentage of polymer has positive effect on water resistance and cost of masonry. Designed masonry mortars can be recommended for buildings and structures subjected to dynamic effects.
Natalya Nikolaevna Onoprienko, Shark Matrasulovich Rahimbaev, Ilya Alekseevich Degtev and Pavel Sergeevich Baskakov, 2014. On the Issue of Improving the Quality of Domestically Produced Building Mortars. Research Journal of Applied Sciences, 9: 1202-1205.