文档介绍:of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of t 该工程由廊坊市市政设施管理处投资建设,廊坊市信诚市政工程设计设计。
拟建的金光道铁路桥引道工程,与京山线K73+°角
相交;西与金光道西段桩号0+,东与银河路西侧非机动车道相接,为廊坊市区的一条主干道,全长895米,。在铁路西侧设置平曲线,半径为1000米;与银河路相交处以圆曲线连接,连接半径为25米。
本工程道路红线为40米。引道局部横断面:中央16米宽机动车道,,各6米宽非机动车道,,。反坡段局部断面:中央14米宽机动车道,,各6米宽非机动车道,各2米宽绿化带,各3米宽人行便道。
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of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities4
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities3
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
车行道采用直线形路拱型式,%,%。
路面结构设计:
①机动车道为15cm石灰稳定土〔10%〕,15cm石灰稳定土〔12%〕,30cm二灰稳定碎石〔分两步施工,上洒乳化沥青透层油,〕,6cm粗粒式沥青砼〔AC-30Ⅰ〕,4cm中粒式沥青砼〔AC-16Ⅰ〕,4cm沥青玛蹄脂碎石混合料〔SMA-13〕。②非机动车道为15cm石灰稳定土〔10%〕,15cm石灰稳定土〔12%〕,15cm二灰稳定碎石〔上洒乳化沥青透层油,〕,6cm粗粒式沥青砼〔AC-30Ⅰ〕,4cm中粒式沥青砼〔AC-16Ⅰ〕。③人行便道为6cm厚C30彩色机压便道砖,2cm水泥砂浆〔1:3〕,20cm石灰稳定土〔12%〕。
挡土墙设计:
本设计挡土墙工程包含机非挡土墙、人行道外侧挡土墙。其中,机非挡土墙采用悬臂式钢筋混凝土预制挡墙,挡墙板由C25混凝土预制,挡墙根底采用C20混凝土现浇,根底下设400mm厚石灰土〔12%〕。人行道外侧挡墙采用重力式浆砌块石挡墙,,M10水泥砂浆勾缝、抹面,选用石料的强度为MU30,墙顶安装C25预制砼帽石,挡墙根底下设30cm厚的碎石硝垫层。
排水设计:
引道局部的排水包括地上雨水和地下水两局部,该处排水会聚到铁路框架桥经提升泵站提升后排入管董排渠方涵中。桩号0+000-0+100和桩号0+720-0+895处排水体制为雨污合流制,其中。桩号0+000-0+100处排水由东向西排入官董排渠方涵中,桩号0+720-0+895处排水由东向西通过人行道挡墙外侧新建排水管道排入铁路北侧官董排渠方涵中。
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation