Fiber-Reinforced Interface Mortar

Boosts Splitting & Shear

Polypropylene fiber and silica fume synergistically enhance bond strength and shear resistance at the new–old concrete interface.

Wang, Kun · Bingjie, Wang · Guo, Jinjun · Meng, Qingxin · Feng, Hu

Developments in the Built Environment 2025

Advantages

Significantly enhanced interfacial splitting strength

Significantly enhanced diagonal shear strength

Gradient elastic modulus distribution in the interfacial transition zone