内墙抹石灰砂浆（Lime mortar for internal wall）.docVIP

内墙抹石灰砂浆（Lime mortar for internal wall） Lime mortar for internal wall The technical disclosure for the masonry structure interior brick wall with lime mortar, including cement floor skirting board or dado, cement elbowboard Other project. 1. material requirements (1) cement: generally use 325 slag Portland cement and ordinary Portland cement. The factory certificate or re examination shall be issued More than 3 months, according to the test results. (2) sand: medium sand, with an average size of 0.35 ~ 0.5mm, should use 5mm aperture sieve before use. Must not contain debris. (3) lime paste: the application of block lime leaching system, must be used to filter the pore size of not more than 3 * 3mm, and stored in the sedimentation tank. cooked Chemical time is generally not less than 15d at room temperature; it should not be less than 30d when used for covering. When used, lime paste shall not contain immature seeds Granules and other impurities. (4) grinding stone grey powder: its fineness should pass through 4900 holes / cm2 sieve. Soak it before applying water to make it mature Over 7d. (5): paper reinforcement bars with white bars or toilet paper, soaked in water before use, smashed, clean; cover paper reinforcement should use machine grinding grinding. Straw, wheat Straw should be firm and dry, free of impurities, and its length shall not exceed 30mm. Straw and wheat straw should be soaked in lime pulp. (6): soft and dry, beat hair loose, free of impurities, the length of 10 ~ 30mm, in the use of four or five days with lime paste (also a good tune Available synthetic fibres). 2. main machines and tools Mortar mixer, paper ash mixer, flat shovel, sieve (aperture 5mm), narrow trolley, big barrel, ash, ash spoon, 2.5m big bar, 1.5m In the bar, 2m on foot board, line sinkers, box ruler, Fang Chi, mortar board, iron trowel, wood trowel, plastic trowel, eight feet, 5 ~ 7mm thick on the side Ruler, corner trowel, a trowel, iron level, hair brush, brush, brush, broom chi