砖等级M15M10M7.5M5M2.5M1M0.4M0MU30 4.16 3.45 3.1 2.74 2.39 2.17 1.58 1.22MU25 3.8 3.15 2.83 2.5 2.18 1.98 1.45 1.11MU20 3.4 2.82 2.53 2.24 1.95 1.77 1.291MU15 2.94 2.44 2.19 1.94 1.69 1.54 1.120.86MU10 2.4 1.99 1.79 1.58 1.38 1.26
0.910.7MU7.5 1.73 1.55 1.37 1.19 1.090.790.61M10M7.5M5M2.5M1M0.40.20.170.140.10.060.040.360.310.250.180.110.070.180.150.120.090.060.040.180.150.120.090.060.04
轴心抗拉ft 沿齿缝弯曲抗拉ftm 沿通缝弯曲
抗拉ftm 抗剪fv 当采用水泥砂浆砌筑时,调整系数ra=0.75抗压强度设计值f(N/mm2)
砂浆强度等级轴心、弯曲抗拉、抗剪强度设计值
砂浆强度等级
强度类别