Q:In the construction project, all raw materials such as: steel, cement, sand, stones, concrete, etc., approach to the inspection process is what?

. the material into the construction unit should notify the supervision unit of the appearance of the material, the relevant information (including materials, certificate, factory qualification, inspection reports, etc.) inspection. . if the initial inspection to meet the drawings and technical specifications, the construction unit in the supervision of the unit under the need for sampling inspection. . after the inspection and obtain the test report, after passing the inspection by the construction unit of the formal inspection of the material, the supervision unit to confirm the application before the use of the project.

Q:Would you please send me my email? Thank you! @ more

Raw material costs according to the ratio to count, cement, fly ash and so on are calculated by the kilograms, directly count as well, as gravel, you can according to the tight bulk density and the bulk density of the average density to be converted into the number of tons per ton Money, so forget it. We are here on the sand side is 1.65 tons, the stone is 1.55 tons, the original of the original touch of the United States and the United States and the United States, the coefficient is not the same.

Q:What is the bulk density of the sandy soil, the uniform load of the ground, the internal friction angle of the soil and the cohesion? Hope master quickly answer. The

Compaction after water stability, high strength, small capillary effect

Q:Shop sidewalk tiles high 4-5 cm how to calculate how much cement with sand! More

M20 mortar with the amount of material for the cement mortar with the ratio of NO: 6 technical requirements Intensity degree: issued by usurping oligopoly out of solicitude alone M20 consistency / mm: 70 ~ 90 raw materials cement: 32.5 river sand: sand Mixing ratio per 1 ㎡ Material dosage / kg Cement River sand water ~ 330 with the ratio of 14.03 reference water consumption.

Q:Basement wall masonry construction can use concrete filling block, air defense parts of the wall and whether the use of this material masonry?

Human defense can not, or else can not prevent, huh, huh

Q:Asbestos in the industry why the application of such a light, its use which

Asbestos in the industry why the application of such a light, its use which

Q:Building on the "green bean sand protective layer" in the green bean sand is made of what material, what role?

Mung bean sand is a coarse sand or small stone with a particle size of 4 to 6 mm

Q:What is cracked mortar? What is the specific inside to participate in the material?

Used to protect the board outside the cover of the protective mortar, which is thin plaster system insulation board outside the protective layer. Must have anti-cracking and waterproofing effect, otherwise it will have to influence the decorative layer. The specific inside there are Chu Dan jabao scoop when the broadcast river cement, sand, powder and a small amount of other additives, and now you buy powder will be presented to your formula.

Q:I made a business license when writing a building material, but why the business license came out when it does not contain gravel material

Building materials are a broad concept that encompasses some of the need for pre-licensed sand and gravel material, so they should be specified when printing a business license.

Q:Check M7.5 mortar with a ratio, each material to prepare how much? Check a c. c15 concrete mix ratio, each material to prepare how much?

In the sand and cement a total of half a small cement bag on it. There are other words added