针对一种新型煤矿巷道波形钢腹板支架拱结构，首先设计了六榀半圆拱形支架 的局部稳定性能试验，研究不同翼缘宽厚比、腹板高厚比对波形钢腹板工形截面拱结构的 局部稳定性能的影响;然后采用有限元软件 ANSYS 计算分析试验支架的局部屈曲性能， 并与试验结果进行对比;最后进行了支架拱结构弹塑性局部屈曲分析． 结果表明: 翼缘宽 厚比减小，构件的局部稳定承载力提高显著，当翼缘局部失稳后会导致构件整体变形加 大，继而导致构件的整体失稳;腹板高厚比增大，其局部稳定承载力也随之增大，当腹板局 部失稳时，会带动翼缘发生局部失稳，从而导致变形过大，加快构件的整体失稳;支架试验 结果与有限元结果吻合良好，验证了有限元模型的正确性; 适当增大腹板高度及厚度、翼 缘宽度或厚度时均可提高腹板的局部稳定承载力，随着圆心角的增大( 矢跨比增大) ，构 件的翼缘局部稳定承载力逐渐减小，圆心角对腹板局部稳定承载力影响较小． 

The model tests of a new type of arch components of underground supporting structure with corrugated steel webs were carried out to study the local stability performance． The model tests included six semicircular arch supports models，and the effects of width to thickness ratio of the flange and height to thickness ratio of the web on the local stability of corrugated steel webs were analyzed． Then the local buckling performance of the test bracket was calculated and analyzed by finite element software ANSYS，at the same time，compared with the test results． Finally， the elasto-plastic local buckling numerical analysis of arch structure was conducted． The results show that the local stability capacity of the arch component greatly increased with the decrease of the width to thickness ratio of the flange，and the local buckling of flange can lead to the increase of global deformation of the component and then cause the global buckling of the arch component． The local stability capacity of the arch component also increased with the increase of the height to thickness ratio of the web． The local buckling of the webs may lead to the local buckling of the flange，which induce larger deformation and speed up the global buckling of the component． The experiment results of the support were in good agreement with the results of the finite element model，so the finite element model was verified． The increase of web height and thickness， flange width or thickness can increase the local stability capacity of corrugated steel webs． With the increase of the arch angle ( rise to span ratio) ， the local buckling capacity of the flange decreases gradually， the arch angle has little effect on the local stability bearing capacity of corrugated steel webs．