預彎梁橋 的英文怎麼說
中文拼音 [yùwānliángqiáo]
預彎梁橋
英文
preflex beam bridge-
The basic theory and step of whole process analysis of reinforced concrete beam section flexural rigidity is stated, the realization program is worked out and the academic example is analyzed. 4. based on the static - state load test result of two practical projects, the application of the reinforced concrete beam system bridge structure disease examination and structure damage evaluation method is stated, and satisfaction result is gained
1 、綜述了當前混凝土橋梁結構檢測及損傷識別的各種方法體系，並簡要評價了各方法體系的應用與不足； 2 、論述了基於靜載試驗的梁分段剛度系統識別的基本原理，編制了實現程序，並進行了數值算例分析，提出基於本原理的梁橋結構損傷識別與結構評價方法體系； 3 、闡述了鋼筋混凝土梁截面抗彎剛度全過程分析的基本原理和方法步驟，編制了實現程序，並進行了相關算例分析； 4 、結合兩片工程實例梁的靜載試驗，詳述了梁橋結構損傷識別與結構評價方法的應用過程，得到了預期的效果。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用Suggestion to post - tensioned bounded pre - stressing construction in small - radius camber arch bridges
小半徑彎梁橋中后張有粘結預應力施工問題芻議The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。Post - tensioned pre - cast concrete simple - supported girder for railway bridge pro - stress
預應力混凝土鐵路橋簡支梁靜載彎曲試驗方法及評定標準Presently, preflex composite beam has been applied in civil buildings, highway bridges and other fields of construction
目前，預彎組合梁已開始應用於我國土木建築、公路橋梁等建築領域中。More than ten preflex composite beam bridges were designed and analyzed with this method, and excellent results were obtained
利用該方法已完成了十余座預彎組合梁橋的設計分析，取得了良好的計算結果。In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably, this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam. on the basis of above works, this thesis improves computation method in analysis of railway preflex composite beam on sectional stress, deflection of mid - span, crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas ", which is adapt to railway bridges in our country. moreover it makes a primary research in construction techniques and structure measures
為了迅速促進預彎組合梁在我國鐵路橋梁中的發展，合理地進行我國鐵路預彎組合梁橋的設計和施工，本文結合鐵道部科技研究開發項目「鐵路預彎組合梁的實驗與應用研究」 ，在總結以往對預彎組合梁力學性能研究成果及實際工程的基礎上，完善了鐵路預彎組合梁的截面應力、跨中撓度、裂縫寬度和抗剪分析的計算方法；編制了適用於我國鐵路橋梁的「預彎組合梁橋結構分析系統? ? pfsas 」軟體；並對預彎組合梁的施工工藝及構造措施進行了初步探索。Cbsa ( curved box girder structural analysis ) is programmed by this method in the environment of visual basic 6. 0 and it has friendly interface and visual forms for data input. it can analyze the loads including deadweight, prestressing force and temperature in curved box girder, output influence lines and load dynamically to calculate deformation and internal force
該程序採用visualbasic6 . 0編寫，具有友好的界面，可視化的數據輸入窗口，可以對彎箱梁橋的自重、預應力及溫度荷載等進行分析，並可輸出影響線，對彎梁進行動態加載，求解活載內力及變形。分享友人