网状与条带式加筋土挡墙墙面位移的测试

Testing of surface’s displacement about netted and striped reinforced wall

通过对网状及条带式加筋土挡墙大型模型试验墙面位移的测试分析,研究了超载作用下网状与条带式加筋土挡墙墙面位移的分布形式,发现在超载作用下,条带式与网状加筋土挡墙的墙面位移形式相似,都呈上大下小、整个墙面绕墙趾向外位移且墙面位移随超载的增大而增大,但网状加筋土挡墙的墙面位移小,而且其上、下部位移相差的幅度亦较小。结果表明,网状加筋土挡墙的墙面位移小,墙体的整体工作性能较强。工程实践证明网状加筋土挡墙具有广阔的应用前景。

By testing and analyzing the pulling strains of both striped and netted reinforcement wall, the distributive forms of the netted and striped reinforced wall under the surcharge load were studied. It was found that the forms of wall displacement are similar to each other between the netted and striped reinforced wall under the surcharge load, the displacement increases with surcharge load’s increasing, and it is large at the top and small at the bottom, so the whole front surface inclines toward outside around wall root, the striped one is different from the netted one in the magnitude and the extent of their displacement, both of the difference are smaller for the former than that for the latter. It indicates that the netted one is superior to the striped one in working property.The netted reinforcement wall will be widely used in engineering practice.