在高等级公路的大中桥梁伸缩缝中毛勒缝正以其大伸缩量、坚固耐用而被越来越多的应用。但是部分毛勒缝由于在安装过程中质量控制不到位,使用不到半年就开始损坏,不但严重影响了桥梁的正常使用,也带来了很大的经济损失。文章总结了毛勒伸缩缝的施工工艺,供类似工程参考。 In the high-grade highway expansion joints in large and medium-sized maomao seams with its large amount of expansion, durable and more and more applications. However, part of the Maoris seam because of the quality control in the installation is not in place, the use of less than six months began to damage, not only seriously affected the normal use of the bridge, but also brought great economic losses. The article summarizes the construction process of Mailer expansion joints for reference to similar projects.