preflex 中文意思是什麼

preflex 解釋
預彎
  1. Elastic analysis method of preflex composite beam proposed by japanese was broken through

    該方法突破了日本學者提出的以彈性分析法為基礎的預彎梁計算理論。
  2. 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。
  3. 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。
  4. Preflex composite structure is a new type of structure developed following the step of steel structure and reinforced concrete structure

    預彎組合結構是建築結構中繼鋼結構與鋼筋混凝土結構之後興起的一種新型結構。
  5. Nonlinear analysis method on the mechanical behavior of preflex composite beams was established with the nonlinear stress - strain curves of materials

    摘要採用材料非線性本構關系研究預彎組合梁的受力行為，建立預彎組合梁從預彎鋼梁加荷到結構破壞的非線性全過程分析方法。
  6. 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。
  7. Compared with steel structure, preflex composite structure has the advantages of not only saving steel but also being able to strengthen rigidity of structure members and the whole structure. in addition it has better characteristics in fireproof and antirust. compared with reinforced concrete structure, it has a lighter structure weight, higher strength, higher bearing capacity and better ductility as well

    與鋼結構相比，它不但節省鋼材，而且能夠增強構件及建築物的剛度，防火和防銹性能好；與鋼筋混凝土結構相比，它不但重量較輕，而且具有較高的強度、承載力和良好的延性，能充分發揮鋼和混凝土兩種不同材料的受拉受壓特性。
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