## 3 New Shear Resistance Formula for the Y-Type Perfobond Rib Shear Connector
### Regression Analysis for the New Shear Resistance Formula
#### 3.2.5 New Shear Resistance Formula
** & \(Q_{n}\) & **Ratio** & **Ratio** \\ \cline{2-11}  & & **(kN)(A)** & **(kN)(B)** & **(kN)(C)** & **(A/C)** & **(B/C)** & & & **(kN)(A)** & **(kN)(B)** & **(kN)(C)** & **(A/C)** & **(B/C)** \\ \hline
4R-1 & \(-1\) & 1687.4 & 1671.9 & 1642.0 & 1.03 & 1.02 & 4R-15 & \(-1\) & 2458.0 & 2470.1 & 2385.5 & 1.03 & 1.04 \\  & \(-2\) & 1636.8 & & & 1.00 & & & \(-2\) & 2456.1 & & & 1.03 & \\  & \(-3\) & 1691.3 & & & 1.03 & & & \(-3\) & 2496.3 & & & 1.05 & \\
4R-2 & \(-1\) & 1821.0 & 1788.8 & 1805.3 & 1.01 & 0.99 & 4R-16 & \(-1\) & 2493.2 & 2477.4 & 2434.3 & 1.02 & 1.02 \\  & \(-2\) & 1746.7 & & & 0.97 & & & \(-2\) & 2547.0 & & & 1.05 & \\  & \(-3\) & 1798.7 & & & 1.00 & & & \(-3\) & 2375.7 & & & 0.98 & \\
4R-3 & \(-2\) & 2003.1 & 1972.9 & 2006.8 & 1.00 & 0.98 & & & \(-4\) & 2493.7 & & & 1.02 & \\  & \(-2\) & 1935.3 & & & 0.96 & & & 4R-17 & \(-1\) & 2214.0 & 2174.9 & 2284.5 & 0.97 & 0.95 \\  & \(-3\) & 1980.4 & & & 0.99 & & & \(-2\) & 2211.9 & & & 0.97 & \\
4R-4 & \(-1\) & 1811.1 & 1803.3 & 1811.8 & 1.00 & 1.00 & & & \(-3\) & 2098.9 & & & 0.92 & \\  & \(-2\) & 1789.1 & & & 0.99 & & & 4R-18 & \(-1\) & 2614.7 & 2635.6 & 2610.8 & 1.00 & 1.01 \\  & \(-3\) & 1809.8 & & & 1.00 & & & \(-2\) & 2656.5 & & & 1.02 & \\
4R-5 & \(-1\) & 1640.6 & 1728.6 & 1832.1 & 0.90 & 0.94 & 2R-1 & \(-1\) & 947.6 & 941.8 & 1090.1 & 0.87 & 0.86 \\  & \(-2\) & 1746.8 & & & 0.95 & & & \(-2\) & 959.2 & & & 0.88 & \\  & \(-3\) & 1798.6 & & & 0.98 & & & \(-3\) & 918.6 & & & 0.84 & \\
4R-6 & \(-1\) & 1949.0 & 1925.4 & 1917.7 & 1.02 & 1.00 & 2R-2 & \(-1\) & 991.8 & 1010.5 & 1151.5 & 0.86 & 0.88 \\  & \(-2\) & 1923.7 & & & 1.00 & & & \(-2\) & 1018.8 & & & 0.88 & \\  & \(-3\) & 1903.4 & & & 0.99 & & & \(-3\) & 1020.8 & & & 0.89 & \\
4R-7 & \(-1\) & 2027.9 & 1948.1 & 1914.3 & 1.06 & 1.02 & 2R-3 & \(-1\) & 1052.0 & 1041.6 & 1206.4 & 0.87 & 0.86 \\  & \(-2\) & 1903.9 & & & 0.99 & & & \(-2\) & 1031.8 & & & 0.86 & \\  & \(-3\) & 1912.5 & & & 1.00 & & & \(-3\) & 1040.8 & & & 0.86 & \\
4R-8 & \(-1\) & 1969.0 & 1969.1 & 1952.9 & 1.01 & 1.01 & 2R-4 & \(-1\) & 1123.2 & 1156.3 & 1303.3 & 0.86 & 0.89 \\  & \(-2\) & 2031.3 & & & 1.04 & & & \(-2\) & 1191.2 & & & 0.91 & \\  & \(-3\) & 1906.9 & & & 0.98 & & & \(-3\) & 1154.6 & & & 0.89 & \\
4R-9 & \(-1\) & 2016.8 & 2115.8 & 2109.6 & 0.96 & 1.00 & 2R-5 & \(-1\) & 1314.6 & 1288.1 & 1453.5 & 0.90 & 0.89 \\  & \(-2\) & 2137.5 & & & 1.01 & & & \(-2\) & 1254.8 & & & 0.86 & \\  & \(-3\) & 2193.0 & & & 1.04 & & & \(-3\) & 1294.8 & & & 0.89 & \\
4R-10 & \(-1\) & 2107.5 & 2176.8 & 2148.7 & 0.98 & 1.01 & 2R-6 & \(-1\) & 1343.4 & 1375.5 & 1602.5 & 0.84 & 0.86 \\  & \(-2\) & 2271.7 & & & 1.06 & & & \(-2\) & 1437.4 & & & 0.90 & \\  & \(-3\) & 2151.2 & & & 1.00 & & & \(-3\) & 1345.6 & & & 0.84 & \\
4R-11 & \(-2\) & 2240.3 & 2228.5 & 2216.8 & 1.01 & 1.01 & 2R-7 & \(-1\) & 1228.4 & 1217.8 & 1371.2 & 0.90 & 0.89 \\  & \(-2\) & 2234.3 & & & 1.01 & & & \(-2\) & 1174.8 & & & 0.86 & \\  & \(-3\) & 2210.9 & & & 1.00 & & & \(-3\) & 1250.2 & & & 0.91 & \\
4R-12 & \(-1\) & 2321.3 & 2267.1 & 2257.8 & 1.03 & 1.00 & 2R-8 & \(-1\) & 1254.4 & 1312.2 & 1534.3 & 0.82 & 0.86 \\  & \(-2\) & 2240.3 & & & 0.99 & & & \(-2\)