【 Weak current College 】 supervision instance diagrams (iii) an inventory of the monstrous paving

Tile look nice, also easy to clean, easy maintenance, is the most popular decorative material. However, paving but door University asked, because this seemingly technical content is low, it is difficult to process live best reflect the workers ' skills. However, everyone in the pursuit of art paving, often overlooked tiles paving the work or before processing on tiles and hollowing, not normative action is not known. And suffered a quarter of the winter, inferior works reveal a grotesque features: tiles have crack, even shedding.

This edition is for you to "make an inventory of the" monstrous paving, let your home really "ceramic tile cement and intimate contact forever" ...

Question 1: wall tiles appear obvious chromatic aberration.

Supervision: according to local standards, Beijing DBJ/T01/43/2003 of the 7.0.2 article wall brick varieties and specifications, rating, color and pattern should meet the design requirements. Color should be basically the same, no visible chromatic aberration, clean no matter accumulation and pulp marks; in addition, a wall should not be divided into two time periods paving; Finally, we must pay attention to the wall of the immersion time.

Issue 2: the back of the tiles is not full of cement mortar.

Supervision: according to local standards, Beijing DBJ/T01/43/2003 of the 7.0.6 stipulates that wall brick paving, the mortar paste should be plump, firm, wall single corner empty drum shall not exceed 5% of the number of stones. Use the paving season 1: 2 of cement mortar, its thickness should be 6 to 10 mm, and then use rubber hammer gently compaction.



Wall tiles appear visible chromatic aberration



The back of the tiles is not full of cement mortar



Plastering layer too much smoothness errors

Question 3: the bathroom new light body wall plastering layer flatness error too large.

Explanation: according to the national standard of supervision GB50327-2001, section 7.3.3, large scale should be set before plastering tendons, plaster thickness of each layer should be 7 to 9 mm. When the total thickness of more than 35 mm, to strengthen measures to be taken. Plastering surface smoothness, perpendicularity in 2 m, the error does not allow more than 4 mm.



The Foundation is not in place

Issue 4: paving, the original base address is not in place.

Construction supervision: according to technological requirements, before if the original wall tiles have PuTTY PuTTY eradication should be clean, smooth plaster layer chiseling and clean surface, and then used in grey brushed, and finally to tile. Otherwise, the tile cement and grass-roots bonding is unstable, resulting in the wall appears empty drum, delamination, etc.



Toilet bag stand pipe wall touch corner cracking

Question 5: toilet bag stand pipe wall touch corner cracking.

Supervision: workers usually light steel keel do kitchen package risers of the skeleton, bonded cement pressure plate, and hanging wire. Tile, because light steel keel and cement physical expansion coefficients, the skeleton is easy walls deformation, touch the corners more likely to crack. Recommends that owners, kitchen package vertical tubes and light body brick Foundation.



Wall corner office wall tiles appear small bars

Question 6: wall corner office, wall tiles appear small.

Explanation: according to the national standard of supervision GB50327-2001 section 12.3.1, paving bricks should be placed before the line orientation and row of brick, not from the bricks should come to a minor parts or corner office. Each wall is a two column non-whole brick, and not the entire width of the tile is not less than one-third of the whole brick.