青海计划年内修建500座便民桥梁 破解农牧区桥梁“老龄化”困境|欧美成人无码A片免费一区澳门
中新网西宁7月24日电 (祁增蓓 马菊香)24日,记者从青海省交通运输厅获悉,该省2025年计划修建的500座便民桥梁已开工建设232座,其中110座已建成。

为解决农牧民“出行难”问题,青海交通运输部门结合全省农业区、农牧区的实际情况和现状需求,实施“我家门前那座桥”便民桥梁建设项目。该项目计划新建的500座便民桥梁统一采用钢板桥结构,设计荷载8吨,跨径4至6米,桥宽2.5米。
据介绍,青海省农村公路桥梁“老龄化”问题较为突出,全省近8000座农村公路桥梁中,部分桥梁超期服役,老旧桥梁占比近三分之一,青南地区尤为突出,简易桥梁在汛期常致交通中断,直接影响农牧产品运输、学生上学和农牧民就医。

对此,青海省公路局编制完成《“我家门口那座桥”便民桥梁工程实施方案》及《便民桥梁通用图》设计审查,为各参建单位提供可参照执行的依据;各公路总段克服点多面广、资金不足等实际情况,采用“试点先行+全域推广”模式全力推动实施便民桥梁,并通过实地走访摸排农牧民反映强烈、影响生产生活的点位,全面勘察现场地质、水文等条件,做好桥梁实施位置核查工作。
同时,青海省各公路总段积极探索创新工艺、新材料应用,广泛引入“钢便桥”技术,按抗震标准设防,让桥梁“更快更稳”地建成落地,施工周期缩短近一半,安全系数大幅提升。

在生态极敏感的三江源腹地如黄南、海南等地,工程设计突出“环保基因”,采用“生态桥”理念,提高桥墩高度,最大限度减少河道扰动,实现通达与环保的双赢发展。
据悉,“我家门前那座桥”便民桥梁建设项目完工后,将惠及全省8个市州42个县区的200余个行政村,农村公路网“筋骨”将更强健,近百所偏远学校的孩子们将彻底告别湿冷的“蹚水上学”历史,每年可减少农牧产品运输损耗约8000吨,为乡村振兴提供交通保障。(完)
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