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通过对比分析中国规范(GB 50010—2010)、美国规范(ACI318—08)和欧洲规范(EN 1992-1-1∶2004)无预应力有腹筋钢筋混凝土梁斜截面受剪承载力计算方法,研究混凝土强度、剪跨比和配箍率对抗剪强度的影响,根据国内外219个集中荷载作用下有腹筋简支梁受剪承载力的试验结果,对各国规范受剪承载力的计算值与试验值进行了对比分析;比较了各国最小、最大配箍率。结果表明:欧洲规范受剪承载力最大,中国居中,美国最小;欧洲规范最小配箍率大于中国和美国,美国最低。通过比较,得出中国规范尚有不足之处,需进一步完善。
By comparing and analyzing the calculation method of the shear strength of the inclined section of the reinforced concrete beam with a web without prestressing between the Chinese standard (GB 50010-2010), the American standard (ACI 318-08) and the European standard (EN 1992-1-1: 2004) Strength of concrete, shear span ratio and stirrup ratio on shearing strength. According to the test results of shear strength of the web-reinforced concrete beam under the action of 219 concentrated loads at home and abroad, the calculated values of shear strength The experimental values were compared and analyzed. The minimum and maximum hoisting rates of all countries were compared. The results show that the European standard has the highest shear capacity, the lowest in China and the lowest in the United States. The minimum in Europe is higher than that of China and the United States. By comparison, it is concluded that there are still some shortcomings in the Chinese norms and need to be further improved.