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通过型钢水泥土复合构件在型钢受轴向拉力作用下的试验数据结果,得到了粘结应力沿构件全长的分布规律和构件内各点粘结应力的变化规律;试验表明:握裹强度随构件水泥土强度的增加而增加,但型钢与水泥土间有效锚固长度随构件水泥土强度的增大而减小。因此,提高构件水泥土强度或增加型钢在构件中的埋置长度并不一定提高构件的极限握裹承载力。
Through the experimental data of the steel reinforced cement composite component under the action of the axial tensile force of the steel, the distribution law of the bonding stress along the entire length of the component and the variation law of the bonding stress at various points in the component are obtained. The test shows that the grip strength The increase of the strength of the cement-concrete component increases, but the effective anchorage length between the profiled steel and the soil decreases with the increase of the strength of the cement-soil. Therefore, increasing the strength of the component cemented soil or increasing the embedded length of the profiled steel in the component does not necessarily increase the ultimate grip capacity of the component.