Effect of confining pressure on the shear strength of ultra-high-performance fiber-reinforced concrete (UHPFRCs) was investigated using a new shear test setup. Different confining pressures were applied and maintained to the specimens prior to shear testing. The shear strength of UHPFRCs was obviously sensitive to the confining pressure: the higher confining pressure produced higher shear strength. The confined shear strength could be expressed as a function of unconfined shear strength, confining pressure, and tensile strength.

Abstract
 1. Introduction
 2. Experimental program
 3. Result and Discussion
 4. Conclusion
 References

• 노 지 트엉(Civil and Environmental Engineering Department, SEJONG University) | Ngo, Tri Thuong
• 김동주(Civil and Environmental Engineering Department, SEJONG University) | Kim, Dong Joo Corresponding author