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made of polyester or polypropylene fiber
good burying, hydrolyzation & corrosion resistibility

Density	Thickness	Breaking Strength	Elongation of Fracture	CBR Bursting Strength	Vertical Penetration Parameter	Equivalent Aperture
g/m2	mm	KN/m	%	KN	cm/s	O95 mm
65	1.2	2.8	40 ~ 80	0.7	K x (10-1 ~ 10-3) (K = 1.0 ~ 9.9)	0.07 ~ 0.2
75	1.4	3.3		0.8
100	1.6	5.0		0.95
150	1.52	7.5		1.5
160	2.0	8.5		1.60
200	2.4	11		2.10
250	2.8	14		2.60
300	3.4	16		3.20
400	4.0	21		4.0
500	4.5	25		4.8

Q: The cushion is usually in the housing which parts: Cushion is generally at the base, looking for the use.

Q: Foam concrete for the roof cushion generally do much bulk ah: Foam concrete density grade is generally 300-1800kg / m3, commonly used foam concrete density grade 300-1200 kg / m3,

Q: When the cushion is used, the thickness of the protective layer is not less than (): Master roof: the general use of 40 thick C20 reinforced fine stone concrete protection.

Q: Is it possible to make a waterproof layer: 1, to do after the dry do, or prone to the phenomenon of wall skin off.

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: 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: 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.

Q: What is the relationship between the cushion and the ring beam?: Cushion is plain concrete or asphalt concrete (for groundwater soil corrosive strong site). Is located below the ground, in order to prevent the foundation or the concrete beam pouring when the excessive loss of water caused by defects set. The purpose is to ensure the quality of concrete, increase the durability of underground components

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.

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