ZY-GYX High-Ductility Concrete
"High-ductility concrete," also known as "high-toughness concrete," is officially called Engineered Cementitious Composites in English, often abbreviated as ECC. It is a cement-based composite material composed of cementing agents, high-strength aggregates, synthetic fibers, and functional admixtures. Its ultimate tensile strain is more than 200 times that of ordinary concrete, and its stress-strain behavior closely resembles steel—earning it the nickname "flexible concrete."
Category:
Ultra-high-performance concrete
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Product Description
Product Introduction
"High-ductility concrete," also known as "high-toughness concrete," is officially called Engineered Cementitious Composites, or ECC for short. It’s a cement-based composite material made from binding agents, high-strength aggregates, synthetic fibers, and functional additives. Its ultimate tensile strain is more than 200 times greater than that of ordinary concrete, and its stress-strain behavior closely resembles steel—so much so that it’s often referred to as "flexible concrete."
Product Advantages
1. Short construction period—taking about one-third the time of conventional reinforcement methods;
2. The reinforcement layer is thin and does not encroach on the existing usable area;
3. No need to penetrate wall or floor slab reinforcement, resulting in minimal damage to existing floors and ceilings;
4. Prevent cracking, hollowness, and reinforcement corrosion that often occur after conventional strengthening methods;
5. Low overall cost, saving on reinforcement expenses;
6. The additional foundation load is minimal, eliminating the need for reinforcement work after the load increases.
Parameter metrics
| Testing Items |
Standard curing age |
Class I |
Class II |
Class III |
| Equivalent Flexural Toughness, KJ/m² |
28d |
≥170.0 |
≥130.0 |
≥90.0 |
| 60d |
≥160.0 |
≥120.0 |
≥80.0 |
|
| Equivalent flexural strength, N/mm² |
28d |
≥10.0 |
≥9.0 |
≥8.0 |
| 60d |
≥11.0 |
≥10.0 |
≥8.0 |
|
| Flexural strength, N/mm² |
28d |
≥11.0 |
||
| 60d |
≥12.0 |
|||
| Compressive strength, N/mm² |
28d |
≥45.0 |
||
| 60d |
≥50.0 |
|||
Applicable Conditions
1. High-ductility concrete is not only applicable to masonry structure reinforcement, but has also been increasingly used in recent years for reinforcing concrete structures, municipal infrastructure projects, railway rehabilitation work, and prefabricated building applications, among other fields.
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