Experimental Investigation on Shear Strength between Ultra-High-Performance Concrete and Normal Concrete Substrates

Table 6

30° slant shear strength of other studios.

S/n	Author (s)	Interface treatment	Shear strength (MPa)
1	Xiang-guo and Zhang [27]	Shear key	21.03
2	Robalo et al. [30]	Smooth	13.91
		Steel brush brushing	18.58
		Shallow chiseling	24.64
		Deep chiseling	24.59
3	Tayeh et al. [31]	Sandblasting	14.13
4	Abo Sabah et al. [32]	Grooving	13.63
		Sandblasting	17.74
5	Carbonell Munoz et al. [23]	Grooving	17.5
		Sandblasting	21.7
6	Diab et al. [21]	Wide grooving	14.4
7	Sabah et al. [33]	Grooving	19.4
		Sandblasting	27.0