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Tall structures deformation monitoring using RTK-GPS ud(Case study: Menara Sarawak Enterprise, Johore) ud

机译:使用RTK-GPS的高层结构变形监测 ud(案例研究:柔佛州梅纳拉沙捞越企业) ud

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摘要

The need for deformation surveys of large engineering structures (bridges, dams, tall structures, etc) often arises from concerns associated with environmental protection, property damage and public safety. For example, since there are many high buildings than in the past, it is therefore very important to monitor the buildings to ensure they are still under stable behaviour. The stability condition of high buildings can be achieved only through proper monitoring and deformation analysis. Conceptually, in order to sustain the engineering structures in safe condition, some deformation monitoring systems should be set up so that we can assess structural changes that may occur over the time. The geodetic sensors systems such as accelerometers, inclinometers, strain gauges, close-range-photogrammetry, precise levellings and total stations are familiar tools/methods to many professionals (e.g. engineers, surveyors) involved with structural monitoring. Recently, the Global Positioning System (GPS) has emerged as sensor for many deformation applications. The use of GPS for deformation studies has evolved rapidly especially Real Time Kinematic (RTK). This technique has been considered as a cost-effective tool to monitor safety and performance of engineering structures, including high buildings and to obtain high productivity in terms of accuracy and reliability. This paper highlights the concept and methodology of the RTK-GPS and its potential application for high building monitoring surveys. The experiments have been carried out on a high building, Menara Sarawak, Johore Malaysia. Some preliminary results is presented and discussed.
机译:大型工程结构(桥梁,水坝,高层结构等)的变形测量​​的需求通常来自与环境保护,财产损失和公共安全相关的关注。例如,由于有比过去更多的高层建筑,因此监视建筑物以确保它们仍然处于稳定状态非常重要。高层建筑的稳定状态只有通过适当的监测和变形分析才能达到。从概念上讲,为了使工程结构保持安全状态,应建立一些变形监测系统,以便我们可以评估一段时间内可能发生的结构变化。大地传感器系统,例如加速度计,倾角仪,应变仪,近距离摄影测量法,精确的水准仪和全站仪,是涉及结构监测的许多专业人员(例如工程师,测量师)熟悉的工具/方法。最近,全球定位系统(GPS)已成为许多变形应用的传感器。 GPS在变形研究中的应用已迅速发展,尤其是实时运动学(RTK)。该技术已被认为是一种经济高效的工具,可以监视包括高层建筑在内的工程结构的安全性和性能,并在准确性和可靠性方面获得较高的生产率。本文重点介绍了RTK-GPS的概念和方法,及其在高层建筑监测中的潜在应用。实验是在马来西亚柔佛州梅纳拉沙捞越州的高层建筑上进行的。提出并讨论了一些初步结果。

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