Fly ash aerated concrete block wall plaster hollowing process cracks precaution - Corporation News - crusher,ball mill,rotary dryer,aac plant,LECA line,flotation machine-YUFENG HEAVY MACHINERY

Fly ash aerated concrete block wall plaster hollowing process cracks precaution

(l) material quality is the foundation to ensure project quality . After strict quality control of raw materials , cement, sand , fly ash aerated concrete blocks , etc. shall meet the design requirements and the provisions of applicable national product standards , and have factory certification, on-site inspection, but also for the complex sampling site experience , qualified before use . Plaster according to strict laboratory mix formulated and issued stir . Mixing mortar good place for too long , landing gray mortar can not be used.

( 2 ) an important part of primary treatment is to prevent cracking of the strict control of air quality masonry , should be carried out on each wall verticality and flatness inspection, where the value exceeds the allowable deviation want to tick chisel handle . To clean the surface and surface cracks at a loose objects afloat , then watering moist. Need to be taken in the fly ash aerated concrete blocks and connecting parts of the concrete frame beams, columns, walls and other masonry to strengthen measures that strengthen each side of the wire mesh 150mm, with a needle or nail nailed .

( 3 ) fly ash AAC Production Line surface plaster without hollowing the most basic method is to do an adhesive layer , reducing the water absorption process blocks that make a layer of aerated concrete block and plaster disabilities binding layer interface , 1:2 cement mortar fine ( sand particles less than 0.2mm of ) water fusible plastic mixing grout with a brush to paint the surface of fly ash aerated concrete blocks , which fill the interface bonding layer of the block surface porosity , surface layer and also masonry plastering mortar. In the above and other glue dry before watering , layered plaster .

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