| 津滨高速公路改扩建工程软土地基处理研究 |
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| 引用本文： | 贺海,张朝清,张占领. 津滨高速公路改扩建工程软土地基处理研究[J]. 水运科技信息, 2014, 0(3): 112-114 |
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| 作者姓名： | 贺海 张朝清 张占领 |
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| 作者单位： | 天津市市政工程设计研究院,天津300051 |
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| 摘 要： | 根据天津津滨高速公路软土地基上改扩建工程的地质情况及施工的特点，按照拟定的拼接拓宽沉降控制标准选择了换填法、搅拌桩及PTC管桩等复合地基方法处理软土地基，从通车后近2年的运营情况及沉降观测资料分析，拼接拓宽后行车平稳舒适，实测沉降量也完全满足规范要求。
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| 关 键 词： | 高速公路 软土地基改扩建 |
Treatment of Soft Ground on Jinbin Expressway Widing Project |
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| Affiliation: | He Hai , Zhang Chaoqin , Zhang Zhanlin (Tianjin Municipal Engineering Design ＆ Research Institute, Tianjin 300051, China) |
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| Abstract: | According to the geological conditions of JinBin Expressway soft ground and construction characteristics,composite foundation such as replacement method, mixing pile and PTC pile was cho- sen in accordance with settlement standards. After nearly two years, settlement observation data anal- ysis show that the measured settlement fully meet the specification requirements and the driving is also comfortable. |
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| Keywords: | freeway soft ground reconstruction and extension |
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