camber of beam 中文意思是什麼
camber of beam
解釋
梁弧高,梁拱高-
The bridge has builded by balanced cantilever construction technique. the beam camber of construction is a controlling index of construction quality control. it is nonlinear, and now is not mature forecasting method
該橋採用節段式懸拼施工法，其施工預拱度的控制是關鍵指標，目前沒有一個成熟預測方法。 -
In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge
本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。 -
The results demonstrated that the ann is efficient and the theoretical results fit well with that of forecasting the beam camber in construction
分析表明該方法是有效的，與實測預拱度結果較吻合。 -
A model with some parameters is used to forecasting the beam camber in the construction. based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre - stressed and so on working condition, the model parameters are identified by ann, and the beam camber of different sections are given
建立施工預拱度的數學模型，根據施工時的預應力張拉后等工況橋面實測標高與設計值的差異，用bp神經網路識別預拱度模型的參數，確定有關各截面的預拱值。
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