Remont a stone laying
Plots of walls with cracks in width to 4 mm restore by forcing in cracks of a laying of a cement mortal. Single superficial cracks zachekanivayut a cement mortal. Through cracks with disclosing more than 4 mm in walls more than 1/2 bricks are eliminated in the thickness by partial dismantling of a laying.
Dismantling conduct from two parties on depth in 1/2 bricks serially from each party. The remained laying wash out cement milk and spread the disassembled plot a corpulent brick of mark 100 on a cement mortal.
In walls, thickness les than 1/2 bricks, having the big plots of damage, are necessary to make complete dismantling of a laying, with its subsequent restoration.
At reconstruction of brick buildings or at their emergency condition there is a necessity for complete replacement of a bricklaying. In this case in the beginning between crosspieces and podokonnyimi plots establish time racks from a tree or metal. At width of piers more than 1 m are established by two and more racks. Inclusion of racks in work is carried out with the help klinovidnyih linings.
To a new laying apply a brick not below mark 100. Horizontal seams reinforce, they should be thin. It is reached by dense osazhivaniya the laid brick. Between top of a new laying and a crosspiece or an old laying the backlash equal of 3-4 sm which it is dense zachekanivaetsya rigid cement mortal M100 and above should be kept. In some cases for maintenance dense prileganiya a new laying to old in a neohardening solution of seams of a laying hammer in flat steel wedges. Time fastenings remove after the solution of a new laying will type not less than 50 % of durability.
Source: http://stroy-info.ru
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