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This book contains the proceedings of the 3rd International Conference on Sustainability in Civil Engineering, ICSCE 2020, held on 26-27 November 2020, in Hanoi, Vietnam. It presents the expertise of scientists and engineers in academia and industry in the field of bridge and highway engineering, construction materials, environmental engineering, engineering in industry 4.0, geotechnical engineering, structural damage detection and health monitoring, structural engineering, geographic information system engineering, traffic, transportation and logistics engineering, water resources, estuary and coastal engineering.
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624.04 --- 624.074 --- 519.6 --- Structural design. Graphical and analytical statics for investigation and calculation of structures --- Three-dimensional load-bearing structures --- Computational mathematics. Numerical analysis. Computer programming --- 519.6 Computational mathematics. Numerical analysis. Computer programming --- 624.074 Three-dimensional load-bearing structures --- 624.04 Structural design. Graphical and analytical statics for investigation and calculation of structures
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This book contains the proceedings of the 4th International Conference on Sustainability in Civil Engineering, ICSCE 2022, held on November 25–27, 2022, in Hanoi, Vietnam. It presents the expertise of scientists and engineers in academia and industry in the field of bridge and highway engineering, construction materials, environmental engineering, engineering in Industry 4.0, geotechnical engineering, structural damage detection and health monitoring, structural engineering, geographic information system engineering, traffic, transportation and logistics engineering, and water resources, estuary, and coastal engineering.
Environmental engineering. --- Civil engineering. --- Engineering geology. --- Offshore structures. --- Environmental Civil Engineering. --- Geoengineering. --- Offshore Engineering.
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In this MSc thesis, high-accuracy strain sensors are developed. The aim of the sensor package is to perform very accurate, one dimensional strain measurements. Once the high-accuracy sensor package is fully developed, it can be used in applications such as force identification or structural health monitoring under ambient loading conditions. In a first part of this thesis, the design of a transducer is made. This design is obtained using the topology optimization technique. Four different topology optimization models are constructed during this thesis. First, a model with very little constraints is made. Next, the complexity is increased, adding constraints for length scale control and imposing the optical fibre in the sensor package to be loaded in pure tension. Combining all models will result in the most complex topology optimization model. Ultimately, two final designs of the transducers are selected. One design will perform optimal in compression, the other in tension. After the designs are finalized, a numerical validation of the transducers is performed. First, the results of the topology optimization are verified. Next, other properties of the transducers, which are not included in the topology optimization, are investigated. These properties include the occurring stresses, the eigenfrequencies and buckling modes of the transducers. In a last part, an experimental validation is performed. A comparison is made between the numerically predicted and the measured performance. Lastly, further steps in the development of the strain upscaling sensor package are proposed, including some possible improvements and additional experiments.