某公路陡坡路基形式选择研究  

Study on Selection of Steep Slope Subgrade Form for a Highway

作　　者：赵强 付晓宣 ZHAO Qiang;FU Xiaoxuan(Beijing General Municipal Engineering Design&Research Institute Co.,Ltd.,Beijing 100082,China;Beijing Zhongjiao Tonghua Technology Co.,Ltd.,Beijing 100029,China)

机构地区：[1]北京市市政工程设计研究总院有限公司,北京100082 [2]北京中交通华科技有限公司,北京100029

出　　处：《路基工程》2021年第6期151-155,共5页Subgrade Engineering

摘　　要：针对低等级公路陡坡路基的特点,分析可采用填方路基形式的安全特点及适用性。以云南西双版纳傣族自治州连接景洪市区和景哈乡的一条四级公路设计案例为依托,结合具体地形、地质条件及工程特殊的要求,从技术可行性、环境保护、工程造价、施工难度等角度进行论证比选,获得了路基形式推荐方案。Aimming at characteristics of steep slope subgrade in low-grade highway,the security features and applicability of filled subgrade forms were analyzed comprehensively.In relation to the design case of a fourth class highway connecting Jinghong urban district and Jingha township of Xishuangbanna Dai Autonnomous Prefecture in Yunnan,with the specific topographic and geological conditions and special requirements of the project,the selection was discussed from the aspects of technical feasibility,environmental protection,project cost and difficulty of construction,and then the recommended solution about the subgrade form was obtained.

关 键 词：陡坡路基 加筋土边坡 气泡混凝土路基 桩基挡墙 悬挑结构 

分 类 号：U416.1[交通运输工程—道路与铁道工程]