Don't angry main points of the quality of fine stone concrete

No spark fine stone concrete quality ( 1) 1) cement Cement approach according to the same variety, with strength grade after sampling. The bags of cement and bulk cement should be numbered respectively and sampling. Each Numbers for one sample unit. Bagged cement every 20 t for a sample group, according to a group of less than 20 t; Bulk cement every 0 t for a test batch, according to a group of less than 10 t. 2) Doubt or cement quality of cement production date should be in the use of more than three months before the reinspection. 3) In order to prevent cement be affected with damp be affected with damp, the warehouse should be closed as far as possible, keep the cement warehouse roof; Exterior wall shall not leak or water seepage. Bagged cement floor plate shall be 300 mm from the ground, around 300 mm away from the wall, stacking height is generally not more than 10 bags. Storage of bulk cement, cement mortar and ground to wipe waterproof, moisture-proof, dustproof measures. 4) Cement to classified storage, storage should be according to the different varieties of cement, the strength of different, different production date piled and preservation, shall not be mixed, and prevent the mix mixed use. ( 2) Sand, stone and so on should be on-site sampling inspection, in addition to the regular inspection items, must be to misfire test of materials, qualified rear must use.