English 
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Portuguese In modern concrete engineering, the application of concrete is developing in the direction of high strength and high fluidity. In order to increase the strength and slump performance of concrete, the ratio of cement is increased too. This results in higher heat, shrinkage, shrinkage stress, and risk of cracks and crack propagation during and after curing.
Types of Cracks in Concrete
There are two types of cracks in concrete structures. One is called load cracks, which are caused by the direct stress of external load and structural secondary stress; the other is called deformation cracks (non-load cracks). The structure is caused by deformation changes due to factors such as temperature, expansion, contraction, creep, and uneven settlement. Most of the cracks in concrete structures are caused by deformation, and the probability is about 80%.
How to solve the Cracks
A large number of experiments and engineering practices have proved that one of the effective means to solve the cracks caused by plastic shrinkage and drying shrinkage of concrete is to develop polypropylene fiber-reinforced concrete (PFRC).
Polypropylene fiber has the advantages of convenient adsorption, synthetic reinforcement, corrosion resistance etc. When it is mixed into concrete as a reinforcing material, it can improve the tensile strength and impermeability of concrete, reduce the cracks, prevent the expansion of concrete during the hardening process, and enhance the fracture toughness of concrete.
Your Reliable Fiber Supplier- TenaBirx TM
As one of the most advanced fiber manufacturers in China, with extensive experience in this industry and strong R&D capabilities, TenaBirx TM provides solutions for improving concrete performance.
Advantages of TenaBirx TM fibers
- Reduced incidence of plastic shrinkage cracking
- Improved load capacity and ductility
- Increased abrasion resistance
- Improved Acid&Alkali Resistance
- Increased waterproofing ability
TenaBirx TM fibers have been successfully applied in thousands of projects in China and exported to North America, South America, Europe, the Middle East, and Asia. After years of development, TenaBirx TM fiber products have been fully affirmed and recognized by the engineering industry.
