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边坡主动防护系统加固力简化计算方法研究

Keywords: 道路工程,边坡,钢丝绳网,加固力主动防护网

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Abstract:

边坡主动防护系统分为标准主动防护系统和主-被动防护系统,根据标准主动防护系统的工作状态,将防护系统的作用分为起主动加固作用和起被动防护作用两个方面,并将防护系统的受力形式简化为法线方向均布荷载作用和局部区域集中荷载作用。同时建立了起主动加固作用防护系统中以钢丝绳网为主要防护构件的系统的简化计算模型,对局部区域集中荷载作用下钢丝绳网提供的加固力进行了研究,推导了起主动加固作用防护系统中加固力的计算方法,并采用文献[5]中的模型对理论计算方法进行了验证,理论计算结果与文献[5]试验及数值计算结果吻合较好,可供工程人员设计此类防护系统选择钢丝绳网时作参考。

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