Geo-textile is usually used for filtration, isolation, reinforcement or preservation, with the characteristics of high tensile
1. Hydraulic Engineering: Inverse filtering & protection in reservoir dam, earth rock cofferdam, tunnel, gutter way, etc; Protection for impervious layer in artificial lake, river-way, reservoir, etc;
2. Road Works: Drainage work in retaining wall, road side slope, roadbed, under-layer of railway & airfield runway
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:Maintenance time of the cushion on the roof of the building
- According to the "concrete structure construction quality acceptance criteria" provides:
Concrete should be poured within 12h after the completion of the concrete to be covered, and moisturizing conservation;
- 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 foam concrete suitable for use as a cushion?
Bubble concrete is a new type of energy-saving and environmentally friendly building materials, which are widely used in wall materials, but there are still some defects, such as low strength, cracking, water absorption, as the cushion of its strength is not enough standard.
- 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
- Roof leaking of the construction program:
1. Need to remove the previous waterproof, such as paint, coil, etc., if it is to do the mortar waterproof can not be eradicated.
- Q:Why do the basics of the cushion waterproofing
- Base cushion waterproofing is not contact with the soil (Ying water) to prevent water into the cushion, but in the cushion and the base of the bottom of the contact, in fact, is the basis of the bottom of the waterproof.
- Q:What is the waterproof layer and the waterproof cushion in the tile roof?
- Waterproof layer: set in the tile or metal sheet below, from the waterproof, moisture-proof structure of the layer. The waterproof cushion plays an important role in the tile surface, because the "tile" itself can not be counted as a waterproof material, only tile and waterproof cushion combination to form a waterproof fortification.
- 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:Is it possible to make a waterproof layer
- 3, waterproof layer set and standard construction methods: to be painted 2 to 3 times, or should be added fiberglass cloth, and each brushing the thickness of the cured material shall not be less than 1 mm, and should be completely dry (about 5 -8 hours) and then the next construction. After brushing, but also in the paint waterproof layer to do a mortar protective layer, and finally paste the tile.
- Q:Is the raft cushion waterproofing full of the cushion?
- Base cushion waterproofing is not contact with the soil (Ying water) to prevent water into the cushion, but in the cushion and the base of the bottom of the contact, in fact, is the basis of the bottom of the waterproof. The general basis of the foundation, the bar base is not necessary to do, like a raft in the basement, it is necessary to prevent the water from dipping into the basement (so the basement design may have to do anti-floating calculations).
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