made of polyester or polypropylene fiber
good burying, hydrolyzation & corrosion resistibility
Elongation of Fracture
CBR Bursting Strength
Vertical Penetration Parameter
40 ~ 80
K x (10-1 ~ 10-3)
(K = 1.0 ~ 9.9)
0.07 ~ 0.2
- Q:Why calculate the amount of time to count a lot of cushion ah
- It can be seen, in the preparation of the project budget, the cushion is also a very important sub-head, the amount of its calculation is often measured by m3, the current commonly used materials are concrete, gravel, stone, Stone slag), slag, slag concrete, lime and so on.
- 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:Can the cushion on the prefabricated board floor be dug?
- Surface layer without steel, do not bear the load, you can dig out
But sometimes the prefabricated floor above the surface layer with steel, to bear the load, this can not be removed!
To know how thick the cushion, in the local dig about
In general, to do leveling layer, can not be directly laid tiles
- Q:Foam concrete for the roof cushion generally do much bulk ah
- First help you correct it, foam concrete used in the roof should be the role of thermal insulation, not as a cushion.
- Q:Do you need a cushion for roof waterproofing?
- Where the process (such as waterproof material construction, floor construction, equipment installation, etc.) on the grass-roots level have certain requirements, must be grass-roots leveling treatment, in the project, commonly used leveling method is to use a certain strength of cement mortar or Fine stone concrete leveling.
- Q:Is the raft cushion waterproofing full of the cushion?
- Assuming (just suppose) the raft can easily turn over, then we do waterproof (like roof) directly on it, not waterproof on the cushion.
- Q:The cushion is usually in the housing which parts
- Cushion is generally at the base, looking for the use.
- Q:Large area ground concrete cushion seam Why is the separation of joints generally concrete
- hird, the relevant parts
Different types of rigid waterproof layer separation spacing in addition to meet the calculation needs, but also in the following parts set sub-grid joints.
1. The deformation of the roof structure sensitive parts;
2. Roof and roof drainage direction changes;
3. The junction of the waterproofing layer and the protruding roof structure;
4. Under normal circumstances, each bay load-bearing walls should be set sub-grid seam.
5. Between the waterproof layer and the load-bearing or non-load-bearing parapet or gable should be set sub-grid joints, and in the node structure for proper treatment.
- Q:What is the difference between leveling and cushion?
- Building floor cushion is the structure layer below the grass-roots level. Cushion as the name suggests is the structure of the liner layer, mainly plays the role of the back cover. Cushion should be noted with the basic distinction. It is easy to confuse the two engineering concepts.
- Q:Cushion, waterproof layer construction to do what information
- 2, bedding (bed course) refers to the structure below the grass-roots level. Its main role is to water, drainage, antifreeze to improve the grass-roots and soil-based working conditions, the water stability requirements are better. The cushion layer is a structural layer between the base layer and the soil base. When the soil quality is poor, it is used to improve the water stability of the soil base, improve the water stability and frost resistance of the pavement structure and disperse Load to reduce soil deformation.
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