Table 2: Summary of the finite element results of the twelve models.

CasesLength of reinforcement at top surface (mm)Length of reinforcement at the bottom surface (mm)Vertical displacement at the peak (mm)Horizontal displacement at the haunch (mm)Vertical displacement at the mid-rafter (mm)von Mises stress at the haunch (MPa)

Control−5.34−4.32−8.968.44
Case (A)20341973.26−3.57−2.75−5.984.89
Case (B)1973.26−4.27−3.36−6.647.80
Case (C)2034−4.40−3.48−6.744.98
Case (D)770−3.99−3.17−7.227.98
Case (E)873582−3.63−2.75−7.065.36
Case (F)1390−5.03−4.01−7.238.21
Case (G)14501390−4.93−3.94−6.456.66
Case (H)1000−4.04−3.18−7.067.92
Case (I)10601000−4.05−3.16−6.775.64
Case (J)1452−5.22−4.21−7.256.81
Case (K)15001600−4.09−3.16−6.345.13