公路

ey will allow you to plan for traffic 河北工程大学土木工程学院 08 级交通工程专业外文翻译 2020 loadings through a road’s life. 6． Design for maintenance Without maintenance a road will rapidly deteriorate and fail. Design

(也称半刚性型 )材料，具有一定的抗压强度和抗弯拉强度。 后三种属于粒料类松散性材料，在不含土的情况下，无抗弯拉强度。 这些基层的共同特点 是 :压实后比较密实，孔隙和透水性较小，水稳性较好，强度比较稳定，适宜于机械化施工。 以往常用的手摆片石和干压碎石基层，由于技术性能不好，难以保证路面质量 ，不再推荐使用。 要根据因地制宜、合理取材和提高基层强度的原则，确定基层材料。 公路路面等级与材料选取

规范的施工工艺来保证每一道工序的工程质量达到要求。 （六）、外观质量控制 工程外观质量是影响优良工程的主要因素之一，现场质量管理人员、技术人员、监理人员、指挥部检查人员都要严格控制工程外观质量，凡是外观不合格、不规范的要进行返工或采取有效措施进行补救处理，使任何一个分项工程的外观达到“平、直、顺、美”的要求；但处理措施和时间必 20 须经监理和业主同意，严禁擅自处理。 （七）、工 序质量控制

so develops gradually. By careful application of superelevation along the spiral, a smooth and gradual application of centrifugal force can be had and the roughness avoided. Easement curves have been

centrifugal force also develops gradually. By careful application of superelevation along the spiral, a smooth and gradual application of centrifugal force can be had and the roughness avoided.

ut they will allow you to plan for traffic 河南理工大学 09 级交通工程专业外文翻译 2020 4 loadings through a road’s life. 6． Design for maintenance Without maintenance a road will rapidly deteriorate and fail. Design

he landslide is refers to the part of the gravity of soil slope under one of the sliding surface sliding, mainly because of the soil slope of embankment caused by inadequate stability of landslide is

ddition, it increased the degree of paction of the embankment base of not less than 93% of the requirement. With the rapid development of highway roadbed construction technology has also made

were used to evaluate the drivers39。 driving behavior. Selfreport measurement A DBQ was introduced as an selfreport questionnaire survey, which was adapted by Sullman and others based on Reason’s

u to plan for traffic loadings through a road’s life. 6． Design for maintenance Without maintenance a road will rapidly deteriorate and fail. Design your roads so they can be easily maintained. This