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:Who can help me out of a new building materials paper, thank you! 4000 words of the oh ..

New building materials are different from the traditional brick, lime and gravel and other building materials, new varieties of building materials, including a variety of varieties and categories

Q:Iron ore waste rock can do building materials? You said SiO2 content of more than 65%, that is less than 65% sulfur can be used? Thank you!

Silicate products Type: autoclaved silicate products, lime sand bricks, requirements for siliceous materials, in addition to chemical composition and impurity limits, the sand particles are graded, less than 100 mesh (015mm) particle content Less than 25-30% Aerated concrete blocks, sand can be less than 200 mesh; no burned no steamed brick (such as cement brick, foam brick, etc), siliceous materials and lime sand brick requirements; waste rock for concrete Stone, gravel, to maintain the chemical composition requirements, but also on the gravel for particle strength test, to achieve the required performance after the unit dare to apply Ask the answer so, hope to be useful to you

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

Asbestos for packaging. Separate fragile products with crates. To make the product complete to the purpose. For the electronic packaging of the product so that the production is not easy to damage. Shock. Due to the limitations of the product.

Q:10 acres of land occupied for the accumulation of gravel, whether it constitutes a crime?

for the handling of the case, I think according to the law to give administrative punishment at the same time, the case transferred to the public security organs, is not a criminal punishment by the public security organs to make conclusions Because of the similar situation, please indicate the leadership of the Ministry of Homeland, criminal punishment is only the criminal liability of the parties, the disposal of land should also be land and resources management departments, according to administrative penalties to solve

Q:Gold silk color sand painting production process and its specific materials?

Gold silk color sand material to go to the big city arts and cultural store to buy, the production is generally framed plane on the draft, according to different color on the plastic paved sand, and the line, home frame, which is a decorative painting, But also their own dyeing

Q:What is the backfill between the outer wall of the basement and the enclosure?

The basement of the outer wall and the envelope between the backfill sandy soil or sand, not afraid of liquefaction, liquefaction is on the basis of the basement side wall has nothing to do.

Q:What is the difference between the aerated concrete block and the fly ash concrete block?

As the industry, I think it is necessary to say to you; gray plus gas, sand plus gas collectively autoclaved aerated concrete block. (The main material of fly ash, lime, cement, etc.), sand plus gas (the main material after grinding the quartz sand, lime, cement, etc.) because of the different materials used, the weight and insulation effect is also very different, AAC its products with light weight insulation, heat insulation, flame retardant green and other characteristics, its thermal conductivity is equal to or less than 0.. its quality is far away. Higher than the ash and gas, is the cold northern areas of China's masonry do not have to do the second insulation can meet the relevant requirements of the country one of the few products, the price is higher than the ash but to do the second insulation to do Of the cost of comprehensive use of the cost is lower than the ash plus gas. And the building has no other secondary insulation material caused by short life, easy to fall off, flammable, and other shortcomings.

Q:What is the reason for the concrete from the skin? How to handle

Match the design is no problem, then the scene is the water caused by the concrete surface of the water-cement ratio is too large or over the earthquake with the ratio of the problem: the sand rate is too large

Q:Building materials such as cement, steel, brick and other inspection have those norms and requirements?

Steel into the field sampling to send inspection points to the brand, specifications, furnace number, but also to bring product certification and appearance inspection report