某梁跨中截面处测点布置如下图,已知ε1=-90µε,ε2 =-80µε,ε3=10µε,ε4 =100µε,ε5 =110µε,E=30GPa,截面宽B.=100mm,截面高H.=200mm,求该截面的弯矩和轴力。( )
A.6kN.m,18kN B.2kN.m,6kN C.6kN.m,18kN D.6kN.m,6kN正确答案B
某梁跨中截面处测点布置如下图,已知ε1=-90µε,ε2 =-80µε,ε3=10µε,ε4 =100µε,ε5 =110µε,E=30GPa,截面宽B.=100mm,截面高H.=200mm,求该截面的弯矩和轴力。( )
A.6kN.m,18kN B.2kN.m,6kN C.6kN.m,18kN D.6kN.m,6kN正确答案B