常見例句雙語例句It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.減少水泥穩(wěn)定碎石基層材料的干縮裂縫,對(duì)延長(zhǎng)半剛性基層瀝青路面的使用壽命至關(guān)重要。When a bituminous macadam pavement with rubber powder is laid on an old asphalt pavement, the reflex crack could be postponed and prevented, also the life of the pavement could be prolonged.在舊的瀝青路面上加鋪摻橡膠粉的瀝青碎石薄層,可以延緩或防止反射裂縫,延長(zhǎng)路面的使用壽命,故有必要探討摻橡膠粉的瀝青碎石混合料的設(shè)計(jì)、施工方法及路用性能。The paper introduces the mixture ratio, test and construction practice for compound pavement rolling with concrete asphalt and macadam, also it conducts a study on the road pavement intensity.介紹摻濕粉煤灰碾壓砼瀝青碎石復(fù)合式路面的配比、試驗(yàn)和施工實(shí)踐,對(duì)路面強(qiáng)度進(jìn)行了研究。 返回 asphalt macadam pavement