bridge expansion joint meaning in Chinese

桥面伸缩缝

Most modified asphalt bridge expansion joints existed cracks because of low temperature when they applied in cold areas . between the bituminous mixture and bridge , the cracks existed also
改性沥青桥梁伸缩缝在寒冷地区应用时，由于低温作用普遍开裂，而且填缝料与桥梁梁端连接处存在界面裂缝。
Analysis on the causes of damage , this paper modified the meijia bitumen materials in order to enhance the low temperature capacity of bitumen and bituminous mixture through the polymer . emphasis on the study of low temperature capacity of modified asphalt and bituminous mixture , we utilize reasonable construction craft to avoid the cracks problem between bituminous mixture and bridge and give a advance way of small or moderate span bridge expansion joint in low temperature areas
针对这一缺陷，本文通过添加热塑性橡胶类改性剂和橡胶类改性剂，对美佳改性沥青结合料进行二次改性，重点研究了改性后沥青结合料和混合料的低温性能，并采用合理的施工工艺解决填缝料与梁端间存在的界面裂缝问题。