当前位置:首页>太原>太原南内环桥木栈道换钢板沥青路,骑行宽度增加4倍,消除腐烂翘起空洞隐患,终结20年搓板桥咣当异响

太原南内环桥木栈道换钢板沥青路,骑行宽度增加4倍,消除腐烂翘起空洞隐患,终结20年搓板桥咣当异响

  • 2026-08-14 21:26:52
太原南内环桥木栈道换钢板沥青路,骑行宽度增加4倍,消除腐烂翘起空洞隐患,终结20年搓板桥咣当异响
拆除腐烂木条,架设整体钢板,太原南内环桥旧貌换新颜,原生态木栈道改铺钢板沥青路,骑车到宽度增加4倍,甩掉长达20年的搓板桥绰号。
7月18日,随着全部钢板覆盖辅桥,弥补当年设计短板,彻底消除咣当异响声。未来,南内环桥非机动车道通行效率,也将进一步提速翻番,市民过桥轻松快捷安全。
南内环桥两座辅桥,分别位于主桥两侧,建造于2007年,专供非机动车和行人通行。按照当初设计理念,沥青骑行道不足两米宽,木质步行道却宽达8米,用厚9厘米的防腐木条覆盖,一根挨一根排出数百米,走上去形似栈道。
木条风吹日晒雨淋,没几年就干裂翘起,不足两米宽的沥青道,只够排行驶两辆自行车,其余为了赶路上班上学不迟到的车辆,只能绕行到木栈道上,车轮辗轧上去咣当响,犹如火车撞击铁轨的声音,这样的搓板路不仅毁胎,还容易把木条辗轧翘起,撞得木条破皮损坏。
时间一长,临近沥青路的木条,因骑车人日积月累频繁辗轧撞击,厚达9厘米的木条甚至断裂,出现空洞可以看到脚下滔滔河水。
尤其是越来越多的电动车、摩托车重载辗轧,木栈道伤痕累累扭曲变形,翘起凸起伤车伤人。骑行者无不担心,一旦木条不堪重负撕裂,连人带车掉到河里,后果不堪设想,早一天桥梁根除隐患,就能早一天心里有底儿。
针对市民反映南内环桥辅桥木栈道损坏,和当初设计使用木条考虑不周有直接关系,为了追求大自然原生态使用木材,成为汾河上的一道风景。
然而,木栈道对北方干燥气候水土不服,适合南方湿润气候的木制方案,在黄土高原的太原行不通,加上城市桥梁主干道通行量大,非机动车道设计过窄,电动车摩托化车体越来越重,给木栈道带来毁灭的损害。
起初,养护单位只能是一根根更换,先仅损害严重腐烂的养护,后来损坏现象太普遍,整体更换成本高,索性只能打木塞,保持表面勉强通行。待木栈道使用寿命到期后,研究制订全面整修更新的方案。
2026年夏天,南内环桥木栈道已使用20年,达到了建筑材料的设计寿命,终于可以启动更换了。摆在眼前有两套方案,是继续按建桥方案更换新的防腐木条,还是结合实际状况,改换为适合车行的沥青路面?
最终,决定全部拆除辅桥钢梁上的木条,露出架设在桥墩上的钢梁,然后一段段打磨除锈刷漆,再用宽度足以覆盖木栈道,一块重达5吨的钢板,首尾吊装拼接到桥梁上,从桥东一气呵成铺到桥西,然后焊接固定后形成钢板路,再浇筑一层层新型环氧沥青。
目前,南内环桥辅桥的钢板已搭设完毕,预计在7月20日完成焊接,然后就是紧张的铺沥青作业,离重新通车指日可待。由此,南内环桥辅桥饱受诟病的木栈道,摇身变为钢板基层沥青路,告别20年的搓板路,再也没有腐烂翘起空洞隐患了。
这次改造的最大亮点是,木栈道更新为沥青路,骑车道宽度从过去不足两米宽增加到10米,满足当下市民骑车途经南内环桥的巨大交通流量,不用再排队拥挤在窄道上,摩肩接踵小心翼翼骑车行路了。

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