Q:Is foam concrete suitable for use as a cushion?

And then through the foaming machine pumping system for cast-in-place construction or mold forming, the formation of natural conservation with a large number of closed pores of the new lightweight insulation materials.

Q:Is it possible to make a waterproof layer

2, waterproof layer: In order to prevent the rain into the roof, groundwater into the wall, basement and underground structures, indoor water into the floor and walls and other materials layer.

Q:Basement floor mattress dry to what degree can do coil waterproof?

Third, the membrane waterproof in the construction should first do the basement floor of the waterproof, and then the membrane along the basement floor continuous paste to the outer surface of the wall. Basement floor waterproofing first in the foundation pouring C10 concrete cushion, the thickness of about 100mm. And then paste the membrane, and then in the coil to wear 20 thick 1: 3 cement mortar, and finally pouring reinforced concrete floor. The outer surface of the wall first wip 20mm thick 1: 3 cement mortar, cold base oil, and then paste the membrane, the membrane should be stitched paste, adjacent coil lap width of not less than 100mm. The top of the coil should be higher than the maximum water level of about 500mm, the outer side of the brick wall.

Q:What is the difference between leveling and cushion?

Cushion is generally used in the ground floor of the building, leveling layer is generally used in the floor or roof. According to the above analysis, I believe that we use the quota, where the floor, roof construction, it should be used to find the level of the fixed sub-head, because there is no so-called concept of the cushion, leveling layer thickness is not what Specific provisions can also be used at the same time different layers of leveling, but must be carried out in accordance with the design requirements, so as not to exceed the load;

Q:Large area ground concrete cushion seam Why is the separation of joints generally concrete

Large area of ??concrete after concrete construction, the concrete volume will be slightly inflated, the ground for a long time deposition, will be sinking, all large area of ??concrete construction, the general set of separation joints.

Q:Why calculate the amount of time to count a lot of cushion ah

? In the municipal engineering, the bedding layer is a structural layer between the grassroots and the soil foundation. When the soil temperature is bad, the water temperature of the soil is improved and the water stability and frost resistance of the pavement structure are improved. Diffusible load to reduce soil deformation.

Q:Roof waterproof mattress should play the number of centimeters appropriate

4. The second layer to do mortar waterproof (mortar waterproof), waterproof at the same time can protect the bottom of the flexible waterproof.

Q:How to build a fine stone concrete cushion?

The main role of the cushion is to meet the requirements of the design elevation. In addition, the cushion to meet the sound insulation, insulation, insulation, slope and buried pipeline and other functional requirements and set a variety of levels.

Q:Cushion, waterproof layer construction to do what information

3, waterproof layer: In order to prevent the rain into the roof, groundwater into the wall, basement and underground structures, indoor water into the floor and walls and other materials layer.

Q:When the cushion is used, the thickness of the protective layer is not less than ()

The purpose of the protection, one is to avoid man-made mechanical damage; the second is to prevent climate, UV aging, to extend the service life; three in the planting roof protection layer is to prevent plant roots puncture, different effects using different methods of protection.