試談工程建筑的變形監(jiān)測(cè)(參考版)
2025-06-29 22:03本頁(yè)面
【正文】 ）In geodetic method there are two types of geodetic networks, namely the reference (absolute) and relative network.（測(cè)地學(xué)方法中有兩種類型的測(cè)量網(wǎng)，被稱為參考（絕對(duì)）網(wǎng)和相對(duì)網(wǎng)）Monitoring Schemes（監(jiān)測(cè)方案）A deformation survey requires the assessment of project expectations.（變形觀測(cè)需要項(xiàng)目預(yù)期的估計(jì)）This would include accuracy statements in order to detect the movement and external effects of the object suspected of movement.（包括The observation period and frequency must also be established. The selection of most appropriate technique or bination of techniques for any particular application will depend upon cost, the accuracy required, and the scale of the survey involved. Therefore several aspects related to the optimal design of the networks, measurement and analysis techniques suited to the monitoring surveys have to be considered. The design of monitoring scheme should satisfy not only the best geometrical strength of the network but should primarily fulfill the needs of subsequent physical interpretation of the monitoring results. Selection of monitoring techniques depends heavily on the type, the magnitude and the rate of the deformation. Therefore, the proposed measuring scheme should be based on the best possible bination of all available measuring instrumentation. A mon feature for both geodetic and satellite methods in monitoring scheme involves the following three stages:⑴The design of the scheme required to undertake the deformation survey must consider the instrumentation to be used, the geometry of the network, the location of observables points, the types of observables, preanalysis of possibly environmental influences, and frequency of observation of the observables to the expected form of deformation. The reference datum must be appropriate, secure, and stable and not influenced by the suspected or anticipated movement within the local site area.⑵The execution process that runs a
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