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锚墩式主动防护网边坡加固技术

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锚墩式主动防护网结构技术可提高边坡局部与整体安全性,保障山区道路安全运营,有效提升山区基础设施的防灾减灾韧性,其特点是在主动防护网结构的节点处设置垫墩锚索代替传统的短锚杆,以实现该结构对边坡的深层加固。与传统的边坡深层加固措施相比,有效实现了对边坡浅表层破坏及深层滑塌进行联合加固,充分考虑了结构受力及荷载传递计算与分担,提出了以预应力锚索锚墩为拱脚的墩后等腰三角形土拱及其拱高确定方法,优化了预应力锚索与主动网节点联动设计,在保障山区公路全天候运营安全的同时,可提高施工效率,节省工程材料,缩短施工工期,节约施工能耗与提升工程质量,具有显著的经济效益和明显的环境效益。
Anchorage Pier Type Active Protective Mesh Slope Reinforcement Technology
The anchor pier type active protective mesh structure technology can improve the local and overall safety of slope,ensure the safe operation of road in mountainous areas,and effectively improve the disaster prevention and mitigation resilience of infrastructure in mountainous areas.Its characteristic is that the anchor cable of cushion pier is set at the node of the active protective mesh structure instead of the traditional short anchor rod,so as to realize the deep reinforcement of the slope by the structure.Compared with the traditional deep slope reinforcement measures,the joint reinforcement of shallow surface failure and deep slide of the slope is effectively realized,and the calculation and sharing of structural force and load transfer are fully considered.The isosceles triangular earth arch behind the pier and its arch height are proposed with the prestressed anchor pier as the arch foot,and the linkage design of prestressed anchor cable and active network node is optimized.While ensuring all-weather operation safety of mountain roads,it can improve construction efficiency,save engineering materials,shorten construction period,save construction energy consumption and improve project quality,with significant economic benefits and obvious environmental benefits.

road safetyslope protectiondeep strengtheningshorten the construction periodimprove the quality

四川省交通勘察设计研究院有限公司

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道路安全 边坡防护 深层加固 缩短工期 提升质量

2024

交通节能与环保
人民交通出版社股份有限公司,交通运输部公路科学研究院

交通节能与环保

影响因子:0.286
ISSN:1673-6478
年,卷(期):2024.20(z1)