In the process of fly ash AAC blocks s blocks wall plaster empty drum crack prevention measures

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(l) material quality is the basis of guarantee the quality of engineering. Strictly control the quality of raw materials, cement, sand, fly ash AAC blocks s blocks and so on shall comply with the design requirements and the standard of products of the regulations of the state, and must have the factory certificate, on-site acceptance, and on-site sampling the reinspection, qualified rear can use. Plaster mortar should be strictly according to the lab to issue the mixture ratio of mixture and mix adequately. Mixing good place time is too long of mortar, be born ash mortar cannot be used.

(2) the basic level processing is an important link in empty to prevent cracking Strictly to control the laying quality of every wall verticality and flatness check, to exceed the allowable deviation value place to be carved iron processing. Clean up the surface crack is loose and floating on the surface, the water and wet. In the fly ash AAC blocks s blocks masonry and concrete frame beam, column, wall and other following parts need to strengthen measures, namely to strengthen steel wire mesh 150 mm per side, with steel needle or a nail.

(3) fly ash AAC blocks s blocks surface rendering is not empty drum is the most basic method for bonding layer, reduce the blocks water absorption process, which is a layer of AAC blocks s blocks with the combination of plaster mortar interface layer, fine 1:2 cement mortar (fine particles within 0.2 mm) mixing the slurry water melting photoresist, besmear to brush with the brush on the surface of fly ash AAC blocks s blocks , it is filled with blocks surface pore, also in the form a layer on the surface of masonry and plastering mortar layer interface combination. Mucilage dry again after sprinkling water on the above, such as layering and plaster

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