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Long-distance digital speckle correlation measurement system developed in structural engineering applications

Author: GuoYong
Tutor: WangZhenLin
School: Zhejiang University
Course: Engineering Mechanics
Keywords: Speckle correlation Structural Engineering Measurement system Distance measurement Digital correlator Measurement analysis Select digital Match the search Viewing angle Prestressed beams
Type: Master's thesis
Year: 2004
Downloads: 145
Quote: 6
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According to the needs of the structural engineering field detection technology innovation , developed in the paper during a set amount of deformation and displacement can be automatic high-precision measurement and analysis of remote measurement system - ZM - PD- I type deformation measuring instrument . Of analysis of environmental conditions , the special deformation measurement requirements of detection conditions on the project site , through the light measured mechanical direction of research and demonstration , select the digital speckle correlation measurement methods , the development of the ZM-PD-I -type instrument hardware system ; independent preparation of microcomputer software , the amount of deformation measurement and analysis of to explore measuring distance , viewing angle and ambient vibration measurement accuracy . The laboratory calibration assessment test showed that the resolution of the instrument fully meet the requirements of the engineering survey . Measuring the deflection of the bridge carrying the system in three key projects in the province , anti - camber of prestressed beam and steel - concrete ring beam structure temperature deformation , and played an important role in the quality of the project identification and technical guidance , which also shows the significance of the technical and economic research . Papers during the application of this technology to expand the field of measurement of mechanical and thermal characteristics of the polymer materials , effective and papers published . The first time under the guidance of \In the paper end , our in digital speckle microscopy measurement technology improvements to expand as well as pixel Law further in-depth study of the idea . This work will be further development of the formation of the new technologies with independent intellectual property rights to provide the basic conditions .

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CLC: > Industrial Technology > General industrial technology > Engineering design and surveying and mapping > Engineering survey
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