Q:Home to warm backfill, to warm the requirements of the back to fill with the strength of the C15 of the bean concrete, but the warm work that with 13 chicken gnawing flone glycoside sulfonate bag Han Li bag cement, 1 gravel (melon stone 5mm), 2 Sand concrete (gravel and sand ratio and C15 gap between the larger), concrete mixing station also tend to a reasonable proportion, said the local warm backfill is the proportion of which proportion I should require backfill concrete, confused? More

The standard answer should be: melon stone: fine sand: cement = 3: 2: 1

Q:What is the difference between a waterproofing agent and a waterproof coating?

Waterproof coating is directly used for the construction of waterproof layer of waterproof slurry, such as the dragon one-component polyurethane waterproof coating directly open cans to form a waterproof layer; waterproof agent is the main field of tattoo fool algae add each other to the concrete, Cement mortar and other materials which increase its waterproof performance of a waterproof additive.

Q:Paste the culture of stone mortar into the construction site after the need to do material re-examination?

It is best to communicate with supervisors After all, the final data check is the quality supervision station inspection If the supervisor does not give advice Personal recommended mortar test block to send A mortar test block to check the cost is very cheap, and secondly to do a little bit of information always no harm

Q:Waterproof engineering should be arranged at what time to do the best?

If it is interior decoration, in the indoor civil engineering and buried after the completion of the dark tube, began to carry out the best.

Q:Why brick-based project man-made masonry mortar can not modify the market price

Masonry mortar is made of cement, sand, lime, water by a certain percentage of mixed for the masonry works of building materials, the main role is to bond masonry materials The mortar made by mixing the above four materials is called mixed mortar, and the mortar mixed with cement, sand and water is called cement mortar Some city mortar for the commercial mortar, in the factory mix, then there is only one finished product price Pricing software default is no material ratio analysis, you can directly adjust the market price

Q:What is the relationship between insulation mortar and insulation paste? Is it the same kind of material?

Insulation mortar generally refers to the cement, sand + other additives products for the insulation board bonding or wiping, especially the adhesive mortar or plaster (crack) mortar; insulation slurry generally refers to the product containing the insulation layer, the Products directly with the water on the wall can be stirred on the insulation effect, especially the polystyrene insulation paste or inorganic insulation slurry.

Q:I would like to check, I would like to ask C. C20 with more than how to check, there are mortar M5 cement, mixed mortar how to check, the need for any material.

Similarly, cement and sand are also required to be tested

Q:What are the specific specifications of the external wall insulation material re-examination?

External wall insulation re-test work to meet the "GB-2007 building energy efficiency construction quality acceptance norms" requirements. Test items and their re-test items . glass wool insulation board: thermal conductivity, density, compressive strength or compressive strength. . polymer bonded mortar: bond strength. . alkali-resistant mesh cloth: mechanical properties, corrosion resistance. . the scene energy-saving drill heart test: at least three groups of sampling. . the scene pull test: at least three groups of samples.

Q:M10 mortar mix design and raw material test a total of how much material?

Should be enough In fact, the laboratory is not the number of the main time in the inspection when the cement should be sieved

Q:Insulation putty can be used alone as an external wall insulation material? Whether the external wall insulation putty can replace the external wall mortar

Under normal circumstances need to use with the insulation materials