Shear Steel Fiber

Shear Steel Fiber are cut from thin steel plates or strips. The overall surface is wavy and the cross-section is rectangular.

Product Features

1. Excellent wear resistance and durability, higher fatigue resistance and durability limit.

2. High ductility and impact resistance.

3. Good dispersion, steel fibers will not ball up in concrete and are evenly distributed.

4. Improve the mechanical properties of concrete such as tensile, bending and shear.

5. The rough and clean surface of steel fiber can be firmly combined with the cement slurry in concrete.

6. Compared with traditional reinforced concrete, steel fiber concrete is constructed directly and seamlessly connects to large-scale laser leveling equipment, saving costs.

7. The construction process is simpler and the construction period is greatly shortened compared to the steel bar solution.

Product Features

1. Construction engineering: house construction, prefabricated piles, frame nodes, roof waterproofing, underground waterproofing.

2. Industrial floor: slit floor, non-slit floor, seamless floor, pile-supported floor, garage leveling layer, composite floor deck, raft, factory road, pavement.

2. Pipeline engineering: centrifugal pipes, vibration and extrusion pipes, pump pipes, steel-lined steel fiber concrete pressure pipes.

3. Highway bridge engineering: box arch bridge arch ring, continuous box beam, bridge deck.

4. Highway pavement and airport bridge deck engineering: highway pavement, highway pavement in frozen soil areas, and airport pavement.

5. Railway engineering: prestressed railway sleepers, double-block railway sleepers.

6. Water conservancy and hydropower projects: water flow erosion and wear parts, gates, gates, crossings, and dam anti-seepage panels.

7. Port and marine engineering: anti-corrosion layer of steel pipe piles, dock facilities, and submarine concrete facilities.

8. Other projects: heavy-duty industrial sites/warehouse floors, silos, maintenance and reinforcement projects, underground cables, pipe manhole covers, sewer grates.

Application areas

Construction technical requirements:

1. The cement grade shall not be lower than No. 425. The water-cement ratio shall not be greater than 0.5.

2. The length of the coarse bone particle size should not exceed 2/3 of the length of the steel fiber male.

3. The steel fiber volume of steel fiber concrete should not be less than 0.5%, generally between 0.5-3%, and 1.5%--2.5% is recommended; that is, the dosage range per cubic meter of concrete is: 5-30kg, and 15-25kg is recommended. .

4. Sea sand is not allowed to be mixed with steel fiber concrete, and chlorine salt is strictly prohibited.

5. In addition to the above provisions, other materials used in steel fiber concrete should comply with the provisions on raw materials used in reinforced concrete in the current specifications.

6. The consistency of steel fiber concrete can be determined by referring to the consistency required for ordinary concrete in similar projects. Its slump value can be smaller than the corresponding required value for ordinary concrete.

7. When the steel fiber concrete cushion and surface layer with shrinkage joints of flat joint structure is not covered with a foundation reinforcement layer such as lime soil under the cushion and meets the following conditions at the same time:

a. The thickness of the cushion and surface layer before reduction shall not exceed 130mm.

b. The thickness of the foundation reinforcement layer is greater than the thickness of the cushion layer. Its thickness can be multiplied by the reduction factor 0.75, but shall not be less than 50mm

Discharging requirements:

Steel fiber and coarse aggregate→Stir for 30 seconds→Add sand and cement→Stir for 30 seconds→Add water→Stir for 3 minutes 

Compaction:

1. When pouring steel fiber concrete, mix it as you go and pour it continuously. Construction joints must not be opened until the dividing joints are reached. The concrete should be vibrated and compacted during pouring.

2. Plastering: Embossed steel fiber concrete has the characteristics of fine collection of coarse materials, high sand rate, and random Fiber Distribution. It is mechanically smoothed to prevent fiber exposure. The embossing process using an embossing machine can also avoid the fiber exposure caused by pulling. After 24 hours, it should be maintained in a timely manner according to routine. In summer, it should be covered with straw bags and the like, and in winter, pay attention to heat preservation.

Packaging and storage

Packaging: carton or composite packaging paper bag 25kg/box or bag, 1.5 tons-2 tons per pallet, can also be produced and packaged according to user requirements.