prestressed concrete beam 中文意思是什麼
prestressed concrete beam
解釋
預應力混凝土梁- prestressed : 安裝預應力
- concrete : adj 1 具體的，有形的；實在的，實際的。2 固結成的，混凝土製的。3 圖案詩歌的（參閱concrete poetry）...
- beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
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To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered
摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。 -
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 -
Construction technology of hoisting tower and super long cased beam of prestressed concrete in huanglong sport center
黃龍體育中心吊塔及超長預應力混凝土箱形外環梁施工技術 -
The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures
計算機模擬模擬結果和試驗結果的比較發現，在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據，具有很好的應用前景。 -
The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism
通過兩榀不同預應力度的無粘結部分預應力混凝土扁梁框架結構的低周反復荷載試驗，分析研究了無粘結部分預應力混凝土扁梁框架結構的破壞形態、滯回特性、位移延性、耗能能力、承載力及剛度退化等抗震性能。 -
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 deflection upwards of prestressed concrete beam can be predicted much accurately than before and mastered effectively through the massive work of this paper
通過本文的大量工作證明，預應力混凝土橋梁的起拱度是可以較精確地預估並進行有效控制的。 -
Design of simply supported partial prestressed concrete beam
部分預應力混凝土簡支梁設計 -
Experimental study on properties of 16m pretensioned and prestressed concrete beam - slab structure
先張法預應力砼梁板結構性能試驗研究 -
They would certainly be less pleasing to the eye and often more expensive than the prestressed concrete beam.
與預應力混凝土梁比較，它們自然更顯得外貌粗拙，不甚美觀，而且成本也往往更高一些。 -
Test device design for full scale prestressed concrete beam on the spot
足尺預應力混凝土梁現場試驗裝置設計 -
Regard background as practical construction project, with abroad and rational analysis, the major work is described as follows : ( 1 ) influencing factors of deflection upwards in prestressed concrete beam is analyzed in detail
本文通過結合實際的工程項目，收集了大量的數據資料，主要進行了以下幾項工作： （ 1 ）較細致地分析了影響預應力混凝土橋梁起拱度的各項因素。 -
Precast prestressed concrete beam
預制預應力混凝土梁 -
Prestressed concrete beam
預應力混凝土梁 -
Five specimens have been designed and tested, among which four specimens are frame joints between concrete - filled steel tubular core columns and prestressed concrete beams and one specimen that is a contrast is a joint between a reinforced concrete column and a prestressed concrete beam
本文設計試驗了5榀節點試件，其中4榀為採用了不同直徑鋼管的鋼管混凝土核心柱與預應力混凝土梁框架節點； 1榀為普通混凝土柱與預應力混凝土梁框架節點，該節點作為對比之用。 -
Based on such characteristics and the researches of the country and outside, this paper mainly studies at the automatic distribution of prestressing cables of prestressed concrete beam bridge and the automatic working drawing of the steel bundles. in this paper, based on the study of the group of the project, it sets up a fuzzy optimum math - model of the prestressed degree for prestressing cables disposition of prestressed concrete continuous beam bridges. and in the drawing of the steel bundles, the set up of the " prestressing cable model " makes its course convenient
本文針對現有的橋梁cad系統的不足，從工程實際應用的角度出發，初步構想了預應力混凝土梁橋cad系統的框架，並主要在其自動配束以及預應力鋼束布置圖的自動繪制方面作了一定的分析與研究：在配束方面，根據其設計的特點及存在預應力束調配過程煩瑣的現象，引入數學方法，基於模糊集合和預應力度的概念，初步探討了連續梁橋預應力鋼束自動配置的機理；在鋼束圖的繪制上，根據對鋼束特點的分析，提出了「鋼束模型」的概念，對預應力束進行描述，並給出了控制「鋼束模型」以及鋼束布置的參數，據此，作者採用fortran語言編寫了鋼束布置圖的繪製程序，實現了鋼束布置圖的自動繪制。 -
The influences of the steel tubes on the failure modes of specimens, on the shear strength of core area of joints, on the stiffness of joints, on the ductility and on the energy dissipation. meanwhile, both the function of concrete - filled steel tubular core columns in raising aseismic strength and the hysteretic behavior of joints specimens have been studied. in addition, the failure modes, the strength, stiffness, the ductility and the energy dissipation of the joints between concrete - filled steel tubular core columns and prestressed concrete beams, of have compared with those of the joint between a reinforced concrete column and a prestressed concrete beam
根據試驗結果，描繪了試件在低周反復荷載作用下的受力性能及破壞形態，分析了試件的有關強度指標、節點剛度、延性及耗能能力，討論了柱內鋼管對節點試件在破壞形態、核心區抗剪承載力、剛度、延性及耗能能力等方面的影響、鋼管混凝土核心柱對提高節點抗震性能的作用以及節點的滯回特性，比較了鋼管混凝土核心柱與預應力混凝土梁框架節點和普通預應力混凝土框架節點在破壞形態、節點強度、節點剛度、延性及耗能能力等方面的充業庶：鋼營捉枉土較心往與扭應力捉枉土要節點低周反復荷敢試驗研兜差異。 -
Prediction model of ductility of unbonded partially prestressed concrete beam with high strength based on genetic algorithm and neural network
神經網路的無粘結部分預應力高強混凝土梁延性預測模型 -
Otherwise the fundamentally of choice of base type and groundsill disposal scheme is expatiated ; the effect of the rigidity enhanced layer for increasing of horizontal stiffness and restriction of displacement is analyzed. in the article, the optimization design of beam and plate is produced, and it is analyzed that the application of non - felt prestressed concrete beam and plate decrease the layer height and the cost
文章從基礎方案的比選和優化，闡述了基礎選型和地基處理方案選擇優化的重要性；分析了在高層建築中設置剛性加強層對增加水平剛度、限制側向位移的作用，同時介紹了梁板設計的優化，分析了採用無粘結予應力梁板對于減小層高節約造價的重要意義。
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