Shotcrete steel fibers must meet certain technical requirements and specification standards to ensure that the concrete achieves the desired strength, toughness, and durability. Typically, the diameter of steel fibers ranges from 0.3 to 0.55 mm, with a length of 20 to 25 mm and an aspect ratio (the ratio of the length to the diameter) ranging from 40 to 80. Selecting the appropriate steel fiber specifications is crucial to enhancing the overall performance of the concrete, as it significantly improves the concrete's crack resistance, impact resistance, and fatigue resistance, thereby enhancing the long-term stability of the structure.
During the construction process, proper operating methods and attention to detail are essential to ensure the quality of shotcrete. To achieve uniform dispersion of steel fibers in the mortar or concrete, steel fibers are often bundled together with water-soluble adhesives. This prevents fiber clumping during transport and spraying, ensuring that the fibers are evenly distributed within the concrete. During the spraying process, it is particularly important to control the spraying speed and pressure, as these parameters directly affect the mixing of the steel fibers with the concrete. If the spraying pressure is too high, it may cause the fibers to shift or break; if the spraying speed is too fast, it could lead to uneven layers of concrete, negatively affecting the overall quality of the construction.
Furthermore, proper curing is required after the shotcrete application. The purpose of curing is to maintain moisture during the initial hardening phase of the concrete to prevent it from losing water too quickly, which could result in insufficient strength and toughness. Appropriate curing not only helps improve the early strength of the concrete but also ensures that the concrete eventually meets the design strength and toughness requirements.
In summary, the construction of shotcrete with steel fibers requires high technical precision and adherence to operational protocols. By selecting suitable steel fibers, employing scientific construction techniques, and ensuring proper curing, it is possible to achieve outstanding performance in terms of crack resistance, durability, and service life of shotcrete.
|
Product |
Diameter |
Length |
L/D |
Tensile Strength |
PCS/KG |
|
(mm) |
(mm) |
(MPa) |
|||
|
YA-65/35-BG |
0.55 |
35 |
65 |
1300 |
15300 |
|
YA-70/50-BG |
0.7 |
50 |
70 |
1200 |
6600 |
|
YA-80/60-BG |
0.75 |
60 |
80 |
1200 |
4800 |
|
YA-65/50-BG |
0.75 |
50 |
65 |
1200 |
5700 |
|
YA-65/60-BG |
0.9 |
60 |
65 |
1150 |
3300 |
|
YA-50/25-BL |
0.50 |
25 |
50 |
1300 |
25900 |
|
YA-55/30-BL |
0.55 |
30 |
55 |
1250 |
17800 |
|
YA-45/35-BL |
0.75 |
35 |
45 |
1150 |
8200 |
|
YA-50/50-BL |
1.00 |
50 |
50 |
1050 |
3200 |
|
YA-60/60-BL |
1.00 |
60 |
60 |
1050 |
2700 |
|
YA-65/13-CC |
0.2 |
13 |
65 |
2850 |
312000 |
|
YA-45/38-BS |
0.8 |
38 |
45 |
800 |
6600 |
|
YA-45/38-BM |
0.8 |
38 |
45 |
600 |
6600 |
FAQ
Q: Do you offer free samples?
A: Yes, we are very happy to provide free samples for customers to conduct quality testing and evaluation before placing an official order. We believe that the quality of our products is key to building long-term partnerships. By offering samples, customers can directly experience and verify the performance of our products. This not only helps customers better understand whether our products meet their needs but also assists them in making more informed decisions before purchasing. We are committed to offering free samples within a reasonable scope and ensuring that the quality of the samples matches that of the products in the official order.
Q: What are your payment terms?
A: Our standard payment terms are 30% prepayment and 70% to be paid before shipment. The prepayment is made when the order is confirmed to ensure the smooth production process, and the remaining balance is settled before the products are shipped. This payment method ensures the security of funds for both parties while offering flexibility for the customer, allowing them to inspect the production progress and quality before paying the final amount. We are committed to providing convenient payment options for our customers to ensure smooth and efficient transactions.
Q: What are your payment methods?
A: We accept various payment methods, including T/T (Telegraphic Transfer) and L/C (Letter of Credit). T/T is a fast and convenient payment method, typically used for long-term or stable customer relationships. L/C, on the other hand, is a more secure payment method, particularly suitable for transactions where both parties need protection, and it is widely used in international trade. We offer flexible payment methods based on the specific needs of our customers to ensure the safety and smooth completion of transactions.