| 土石混填料台背回填柔性加筋注浆技术加固试验研究 |
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| 引用本文： | 赵炼恒,罗恒,李亮,但汉成,邹金锋.土石混填料台背回填柔性加筋注浆技术加固试验研究[J].岩土力学,2010,31(1):199-205. |
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| 作者姓名： | 赵炼恒 罗恒 李亮 但汉成 邹金锋 |
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| 作者单位： | 中南大学,土木建筑学院,湖南,长沙,410075 |
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| 基金项目： | 西部交通建设科技项目，铁道部科技研究开发计划重点项目，湖南省交通厅科技项目，中南大学优秀博士学位论文扶植项目 |
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| 摘 要： | 通过采用柔性加筋注浆技术处理台后回填土现场试验研究并结合室内试验的方式,研究了柔性加筋注浆新技术处理湘西红砂岩土石混填台背的施工工艺特性、加固实现机制和加固效果。现场试验及质量测试表明,水平柔性加筋注浆新技术处理湘西红砂岩土石混填台背施工工艺简单、加固效果良好,具有较好的开发应用价值。同时,现场试验过程取得大量施工参数和试验数据,为改进该新技术的设计计算及施工参数、完善施工工艺获得素材;对有效预防和减少桥头跳车现象的发生,保证行车的舒适和安全也提供了可供选择的新方式。
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| 关 键 词： | 台背回填 土石混填 水平柔性加筋注浆 现场试验研究 回填加固 施工工艺 |
| 收稿时间： | 2008-02-28 |
Experimental research on implementing method of backfill of abutment back with horizontal flexible-reinforced grouting technology |
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| ZHAO Lian-heng,LUO Heng,LI Liang,DAN Han-cheng,ZOU Jin-feng.Experimental research on implementing method of backfill of abutment back with horizontal flexible-reinforced grouting technology[J].Rock and Soil Mechanics,2010,31(1):199-205. |
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| Authors: | ZHAO Lian-heng LUO Heng LI Liang DAN Han-cheng ZOU Jin-feng |
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| Institution: | School of Civil and Architectural Engineering, Central South University, Changsha 410075, China |
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| Abstract: | The construction technology, implement mechanism, reinforcement efficiency of implementing method of backfill of abutment back with horizontal flexible-reinforced grouting technology were studied by in-situ experimental research combining with laboratory study. The in-situ test results show that the backfill of abutment back reinforced by the new horizontal flexible reinforced grouting technology has enormous advantages including easy processed, effectiveness, development and utilization value. On the processing of the in-situ test many valuable construction parameters and experimental data were obtained; and a lot of material resource could be used for changing the design and construction parameters so as to perfect the construction technology of the new technology. At the same time, a new engineering solution for the prevention and treatment of bridgehead jump-driving was offered. |
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| Keywords: | backfill of abutment back soil-stone filler horizontal flexible reinforced grouting field test research backfilling strengthening construction technology |
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