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- 2018
PS-InSAR技术对上海高架路的沉降监测与归因分析
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Abstract:
上海市高架道路是上海市重大基础设施工程之一，跨越11个行政区，打通了城市交通脉络。为保证其安全运营和可持续发展，利用高分辨率永久散射体雷达干涉测量技术对高架路进行沉降监测，沉降结果与同期水准数据基本保持一致，最大误差不超过3 mm/a。进一步联合高架路的结构特性、运营车辆的动荷载情况、高架路施工进程，分析了提取的高架路沉降的空间分布情况以及时间演化行为。多因素的归因分析结果表明，上海市高架道路沉降格局与周边区域地面沉降密切相关，同时与高架道路自身荷载和运营车辆动荷载、高架道路建成时间有关
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