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随着高速公路向山区发展,工程地质条件越来越复杂,不可避免会遇到大量复合岩层边坡。本文针对软硬破碎互层式复合岩质边坡,谈了采用“基脚挡墙、高压冲洗植锚深层锚固、浅层框格梁防护”的综合处理方法,即分别对边坡基脚、深层岩质及边坡表面进行加固,不但稳定性强,而且减少了砼和水泥浆用量。通过实践应用后集成企业级工法,2015年6月获批为江西省省级工法。
With the development of highways to mountainous areas, the engineering geological conditions are more and more complex, and inevitably encounter a large number of complex rock slope. In this paper, a comprehensive treatment method using “base foot retaining wall, deep anchoring with high pressure irrigation anchorage and shallow sash beam protection” is discussed for the soft and hard broken interbed composite rock slope, that is, Foot, deep rock and slope surface reinforcement, not only stability, but also reduce the amount of concrete and grout. After the practice of integrating enterprise-level workmanship, it was approved as a provincial-level work method in June 2015.