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逆作法在软土地区之外很少采用,文章以山东省某逆作法工程为例,重点介绍在中风化地质条件下的逆作法特有的施工技术问题的研究和解决。通过采取设置钢管立柱桩缓冲构造、施工缝漏斗状处理和混凝土柱阳角保护等措施,避免岩石破碎产生的不利影响,保证了工程质量和安全,降低了成本,取得了良好的应用效果,可在类似工程中推广应用。
The reverse method is rarely used outside the soft soil area. Taking a reverse engineering method in Shandong Province as an example, this article focuses on the research and solution of the construction technology problems that are unique to the reverse method under the geochemical weathering conditions. By adopting such measures as setting the cushion structure of the steel pipe post pile, the funnel-shaped treatment of the construction joints and the protection of the male corner of the concrete column, the adverse effects caused by rock crushing are avoided, the quality and safety of the project are ensured, the cost is reduced, and the good application effect is obtained In similar projects to promote the application.