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平安至阿岱高速公路K21+430～+650段预应力锚索钢筋混凝土肋板挡墙工程位于青海省平安县古城乡境内,全长约340m,边坡高度50m,该路段地形横坡较陡。有关专家和工程技术人员多次对该段工程进行现场勘测,先后提出绕避、采用桥梁跨越、调整平面线形等多种方案比选,但均因地形、地质及工程造价高、施工工期长等因素,无法实施。最后在详细调查工程地质状况和认真分析勘测资料的基础上,本着“技术可行,经济合理”和“一次处治,不留隐患”的原则,提出了预应力锚索钢筋混凝土肋板挡墙的处治措施。
Ping’an to Adai Expressway K21 +303 ~ +650 section of prestressed anchor cable reinforced concrete rib retaining wall project is located in Ping’an County, Qinghai Province, urban and rural areas, a total length of about 340m, the slope height of 50m, the section of the terrain is steep . The relevant experts and engineers repeatedly conducted on-site surveys on this section of the project and successively proposed alternatives to bypassing and adopting bridge spanning and plane alignment adjustment, all of which were due to the high cost of terrain, geology and engineering and long construction period Factors that can not be implemented. Finally, based on the detailed investigation of engineering geological conditions and the careful analysis of survey data, in line with the principle of “technically feasible, economically reasonable” and “once treated and no hidden dangers”, a prestressed anchor cable reinforced concrete rib Board retaining wall treatment measures.