Spiral polyvinyl alcohol fibre for wind power foundation is a high-strength and high modulus fiber made of polyvinyl alcohol as the main raw material through dissolution, spinning, heat setting, cutting and packaging. The product has the advantages of high strength, high modulus, low elongation and good dispersion, and has the characteristics of acid resistance, alkali resistance, salt resistance, wear resistance, sunshine resistance, corrosion resistance, mold resistance and moth resistance. It has good affinity with cement. It can be applied to various reinforcing materials and is widely used in building materials, safety nets and industrial textiles.
GENERAL
Spiral polyvinyl alcohol fibre for wind power foundation is a high-strength and high modulus fiber made of polyvinyl alcohol as the main raw material through dissolution, spinning, heat setting, cutting and packaging. The product has the advantages of high strength, high modulus, low elongation and good dispersion, and has the characteristics of acid resistance, alkali resistance, salt resistance, wear resistance, sunshine resistance, corrosion resistance, mold resistance and moth resistance. It has good affinity with cement. It can be applied to various reinforcing materials and is widely used in building materials, safety nets and industrial textiles.
Scope of application
Concrete pouring of wind power foundation, road, bridge, expressway, dam, pool, parking lot, aircraft runway and apron; Coastal beaches, dams, saline alkali zones, chemical corrosion sites, concrete components, urban art sculptures, prestressed concrete pipes and plates.
FEATURE
Product features
◆Appearance: white.
◆It has good mechanical properties, high strength, high modulus and low elongation.
◆Acid and alkali resistance and chemical resistance are better than other fibers such as synthetic fiber and polyester.
◆Light resistance: under long-term sunshine, the loss rate of fiber strength is much lower than that of other fibers.
◆Corrosion resistance: the fiber is buried underground for a long time without mildew, decay and moth.
◆The fiber has good dispersion: the fiber does not adhere, and the dispersion in water is good.
◆The fiber has good affinity with cement and mortar, and the bonding strength is better than polypropylene, nitrile, polyester and other fibers, which is non-toxic and harmless to human body and the environment.
PERFORMANCE
Performance GB / T21120-2018 Synthetic Fiber for Cement Concrete and Mortar
| Item | Technical index |
| Breaking strength (MPa) | 1650 |
| Elongation at break (%) | ≤15 |
| Crack reduction factor (%) | ≥75 |
| Dosage (kg/m3) | 0.9 |
Precautions
◆The fiber shall be accurately weighed according to the design addition amount and the volume of concrete mixed each time. It is recommended that the addition amount is 0.9-2.0kg/m3.
◆Sand + stone + water.
◆After mixing, samples shall be taken randomly. If the fibers have been evenly dispersed into monofilaments, the concrete can be put into use; If there are still bundles of fibers, the mixing time shall be extended for 30-60s.
◆The construction and curing process of fiber added concrete is exactly the same as that of ordinary concrete. Concrete + fiber (after mixing for 30-60s) + water (after mixing until completion); the fiber can also be added to the water for mixing and dispersion, and then added to the mixer to mix with other materials.
Packaging and storage
Packed in PP bags, with a net weight of 10kg/bag; It must be stored in a dry and ventilated room with sealed bags.
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