Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Existing highway embankment grouting reinforcement structure and construction method
The invention provides an existing highway embankment grouting reinforcement structure and a construction method thereof.The construction method includes the steps that orthogonal guide holes are drilled in side slopes on the two sides of an embankment, a working well is excavated below a central isolation belt, oblique or horizontal drilling is sequentially conducted from the working well to thetwo sides to form horizontal guide holes, upper oblique guide holes and lower oblique guide holes, and then grouting pipes are installed in the guide holes; cement grout is evenly pressed into the grouting guide holes through the grouting pipes, hole sealing concrete is adopted for hole sealing, grouting and hole sealing of all the grouting guide holes are completed in sequence according to the drilling sequence, finally light concrete backfilling is conducted on the lower portion of the working well, planting soil backfilling is conducted on the upper portion of the working well, and the beneficial effects of being easy and convenient to construct and capable of conducting comprehensive and uniform grouting from outside to inside and outside are achieved. And the traffic can be recoveredquickly.
本发明提供一种现役公路路堤注浆加固结构及其施工方法，其在路堤两侧边坡钻设正交引孔，在中央隔离带下开挖工作井，以及从工作井向两侧依次进行斜向或水平钻孔形成水平引孔、上斜引孔和下斜引孔，然后在引孔内安装注浆管，通过注浆管将水泥浆液均匀压入注浆引孔内，采用封孔混凝土进行封孔，依次按钻孔顺序完成所有注浆引孔的注浆与封孔，最后在工作井下部分进行轻质砼回填，上部分进行种植土回填，且具有施工简便，可由外向内、由内向外全面匀称注浆，且能快速恢复交通的特点。
Existing highway embankment grouting reinforcement structure and construction method
The invention provides an existing highway embankment grouting reinforcement structure and a construction method thereof.The construction method includes the steps that orthogonal guide holes are drilled in side slopes on the two sides of an embankment, a working well is excavated below a central isolation belt, oblique or horizontal drilling is sequentially conducted from the working well to thetwo sides to form horizontal guide holes, upper oblique guide holes and lower oblique guide holes, and then grouting pipes are installed in the guide holes; cement grout is evenly pressed into the grouting guide holes through the grouting pipes, hole sealing concrete is adopted for hole sealing, grouting and hole sealing of all the grouting guide holes are completed in sequence according to the drilling sequence, finally light concrete backfilling is conducted on the lower portion of the working well, planting soil backfilling is conducted on the upper portion of the working well, and the beneficial effects of being easy and convenient to construct and capable of conducting comprehensive and uniform grouting from outside to inside and outside are achieved. And the traffic can be recoveredquickly.
本发明提供一种现役公路路堤注浆加固结构及其施工方法，其在路堤两侧边坡钻设正交引孔，在中央隔离带下开挖工作井，以及从工作井向两侧依次进行斜向或水平钻孔形成水平引孔、上斜引孔和下斜引孔，然后在引孔内安装注浆管，通过注浆管将水泥浆液均匀压入注浆引孔内，采用封孔混凝土进行封孔，依次按钻孔顺序完成所有注浆引孔的注浆与封孔，最后在工作井下部分进行轻质砼回填，上部分进行种植土回填，且具有施工简便，可由外向内、由内向外全面匀称注浆，且能快速恢复交通的特点。
Existing highway embankment grouting reinforcement structure and construction method
现役公路路堤注浆加固结构及施工方法
ZHANG MAOKUN (Autor:in) / GU DAQIANG (Autor:in) / QI LIANGMING (Autor:in) / RUI YINGJIE (Autor:in) / BAI YUNFEI (Autor:in) / XU BO (Autor:in) / MA DONGCHENG (Autor:in) / YU GUANGHE (Autor:in) / WANG SHUCHENG (Autor:in)
26.02.2021
Patent
Elektronische Ressource
Chinesisch
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