reasonable beam 中文意思是什麼

reasonable beam 解釋
適中束
  • reasonable : adj. 1. 合理的;明白道理的,懂道理的;有理性的。2. (要求等)適當的;(價錢等)不高的;適度的。adv. -bly ,-ness n.
  • 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,...
  1. Theory analysis and practical project prove that the method of the reinforced concrete beam system bridge structure disease examination and structure damage evaluation is reasonable and viable

    理論分析與工程實例,都證明了本文的梁橋結構損傷識別及其評價方法體系的合理性與可行性;
  2. Comparing with the same category overseas jointless bridges, the new type bridge has more reasonable structure, more simple and convenient construction, and better use effect etc. the main work in this paper is described as follows : ( 1 ) this paper introduces phylogeny and reseach survey of the joints bridge inland and abroad, and a new jointless bridge structure ? new type semi - integral abutment bridge is based on these, which characteristic of own structure and setting of primary component are expatiated. ( 2 ) this paper analyses influence of temperature effect, creep, shrinkage and circumambient soil of run - on slab on the new type structure, and analyses the forcing performance of beam, abutment and run - on slab of the new type semi - integral abutment bridge, and constrast to the same category joints bridges

    本文主要做了以下工作: ( 1 )介紹了無縫橋梁在國內外的發展歷史、研究概況,並在此基礎上提出了一種新的無縫橋梁結構形式-新型半整體式無縫橋梁,闡述了它特有的結構形式以及主要構件的設置; ( 2 )分析了溫度效應、徐變和收縮以及搭板周圍土體對這種新型結構的影響,對新型半整體式無縫橋主梁、橋臺以及搭板進行了受力性能分析,並和同類無縫橋梁進行了對比分析。
  3. This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge

    摘要介紹了拉薩河特大橋主橋結構設計情況,對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系桿截面形式等設計中的關鍵性問題進行了深入的研究,給出了主橋連續梁系桿的剛度和應力情況、鋼管混凝土拱的應力情況。
  4. 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
  5. 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
  6. Based on the results of previous researchers, the following instigations have been carried out in this paper : ( 1 ) employing a reasonable local resonance model which can accurately embody the heat - generation behavior due to resonance and vibration - heat mode in delaminated region, the dynamic response and temperature distribution in the small delamination region of a laminated beam are formulated. influence of the excitation frequency on the temperature gradient formation is analyzed numerically, and several meaningful conclusions are drawn. ( 2 ) for laminated plates with delaminations, due to complexity of the analytical solution, the finite element method is employed to analyze their temperature distributions and satisfactory results are also obtained

    本文在前人研究的基礎上,對此方法進行了進一步的探討,主要做了以下的工作: ( 1 )選取合理的、能夠準確反映由共振而產生熱量的行為的局部響應模型,以及合理的振動熱模式,推導了一維層合梁小脫層區域的振動響應及梁的溫度分佈,並編製程序計算了該層合梁在激勵一段時間后的溫度分佈趨勢,分析了激勵頻率對溫度梯度形成的影響,得到了一些有意義的結論; ( 2 )對於二維層合板,由於解析解的形式異常復雜,本文採用有限元計算軟體對其溫度分佈進行了分析,也得到了較為滿意的結果。
  7. Numeric simulation is done based on 30mev linac structure and the corresponding parts " parameters. the simulate result shows that the design of beam line is reasonable. the beam properties change very small when the drifting distance before the first acceleration stage is changed in the certain ranges

    根據30mevlinac結構和元件參數進行了整體的數值模擬,模擬結果表明: 30mevlinac中各個加速段的結構與性能較好,輸出束流的發射度和能散度都較小,束線的設計也較合理。
  8. The affect of top ring beam has not been thought highly at presenti which has been regarded as the safety measure. the whole retaining and protecting structure of piles in row and top ring beam is calculated by the method of cantilever beam, and the result is not reasonable obviously

    在當前的設計與施工中,樁頂圈樑的作用未引起足夠的重視,普遍將其視為安全儲備,而將排樁與圈樑的整體支護結構視為懸臂梁來計算的,這樣的計算結果顯然過于保守不盡合理。
  9. The paper presented a large annular cantilever beam string stadium roof structure using the theory of beam string structure. the stadium roof structure is a novel structure that is reasonable in bearing force by using the character of the tendon and beam fully. the struts in the structure avoided enduring big moment, moreover the pre - stress upper chord tendon and the annular beam work together to resist upward and downward load, as embody the structure ' s artifice and wonderful space mechanical property

    本文利用張弦梁原理,給出了一種大型環狀懸臂型張弦梁挑蓬結構,該種體育場挑蓬結構新穎,充分利用了拉索和立體桁架受力的特點,使得結構受力更加合理,避免了柱子承受較大的彎矩,上弦索的預張力和圈樑使結構共同作用抵抗上下荷載,更體現了結構的巧妙和良好的空間受力性能。
  10. It has also pounded the keys, devices, disposition of surveyed spots, measure method and procedures, data gathering and process ( relation with construction workmanship ), error analysis and adjustment, control precision and rules, mechanism and method of control, tables of records, results and discussion. after completion, the bridge has good behaviors in dead loads state, cable forces, shape style of main beam, stress and strain of concerned sections, displacements of the tower top, which assure the reasonable state of cables, main girder and towers, and safe under running, demonstrate supervision

    通過課題研究與實橋運用,荊州長江公路大橋斜拉橋施工過程各狀態和成橋恆載狀態下,斜拉索索力、主梁線形、主梁關鍵截面應變、索塔塔頂水平偏位等關鍵項目的施工控制結果均滿足設計期望值的要求,滿足橋梁施工范圍的要求,大橋主梁線形流暢,斜拉索、主梁和索塔三大體系的受力狀態合理,橋梁結構安全可靠,大橋的監測監控取得了圓滿成功,並為該橋營運階段的長期監測監控奠定了良好的基礎。
  11. Abstract : on the basic assumption of wencal, using pre - param eter method, the equation calculating multi - element beam of different section and ela sticity modulus on different groundsill are given in this paper. the programming language is qbasic. the results of example show that the calculation is correct and reasonable

    文摘:依據文克爾基本假定,利用初參數法推導出不同地基及不同地基梁截面彈性模量的多單元彈性地基梁計算公式,並用已編制的qbasic語言計算程序,通過實例計算,結果正確、合理
  12. Fifthly, a reasonable explanation to the phenomenon was given that the temporal behavior of twm will be different while the signal beam opening time delays a different time after pump beam opened

    對實驗觀察到信號光打開時間延遲將導致兩波耦合能量增益曲線峰值增益降低的現象,從光扇時間演化角度進行了合理的解釋。
  13. The calculation results of deformation and internal force have been obtained, with which the experimental results are compared. finally, based on the experimental study and theoretical analysis, with the reference of practical calculation method given by related code of concrete structure in time, the practical calculation method and the design suggestion of coal unloading chute with skew beam are brought forward. the method is both reasonable and simple, and the calculated results are in good agreement with that of the experiment

    最後,在試驗研究和有限元分析的基礎上,參考有關現行規范對同類結構的設計方法,提出了斜梁式淺埋箱形卸煤溝結構的簡化計算模型;針對卸煤溝的特點,提出了相應的構造措施及鋼筋配置方式要求;根據地下結構的動態反應特性、主要破壞特徵及震害分析,提出了卸煤溝避免地震破壞的措施。
  14. The modified formulae derived from the simplified models, the one of which is the continuous beam on the elastic supports, the other is articulated beam, have been established. being analyzed, the later one is prove more reasonable

    文中以彈性支承連續梁和鉸接梁為基礎建立計算模型,並對這兩種方法進行修正,經比較后最終推導出簡化的三跨鉸接梁為計算模型。
  15. On the basis of stability analysis, the author takes the k27 + 825 slope from the type of slope which has lest stability as an example. according to its basic feature, the design ueses the choosed best reinforce and control scheme : lattice beam, anchor wire, grouting and abstraction of water. in the course of design, the author takes into account not only reasonable optimize of whole control plan but also local measure such as whether the unstable block will shear from vnlnerable sections when control plan is laid out concretely, in order to reach the goal of reasonable design and effective control

    在穩定性分析的基礎上,以邊坡穩定性最差的一類中的k27 + 825邊坡為例,結合其自身的特點,用優選出的加固防治方案:框架梁+錨索斗灌漿+排水進行設計,設計中既考慮總體防治方案的合理優化,又充分考慮了加固工程的具體布置時是否存在不穩定體從錨索或框架梁的薄弱部位剪出的可能性等一些細部措施,以達到合理設計,有效及經濟治理的目的。
  16. The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable

    本文首先介紹了中性束注入系統的國內外發展狀況,闡述了中科院等離子體所ht - 7中性束注入系統的構成,主要對用於中性束注入系統的大型低溫冷凝泵的特性進行了理論分析;對冷凝抽氣面的熱負載進行了分析計算;用蒙特卡羅法對輻射擋板的分子傳輸幾率與熱傳輸幾率進行了模擬計算;研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響;最後對用於中性束注入系統的大型低溫冷凝泵的抽速進行了驗證,得出的結論是:選取40萬升秒的抽速是合理的。
  17. Because continuous rigid frame bridge is a kind of multi - degree indeterminate structure, large internal force will be produced in the bridge structure due to the temperature effect. therefore, it is necessary to design the flexible pier with small lateral displacement rigidity, which calls for the decision of a reasonable ratio of beam bending rigidity to pier lateral displacement rigidity

    此外,連續剛構橋是高次超靜定結構,溫度變化將引起較大的結構內力,需要設計抗推剛度較小的柔性墩以減小溫度內力,合理確定主梁與墩的剛度比值是設計的關鍵。
  18. At first, the soft of bridge structure, gqjs, is used to calculate the structure of prestressed concrete continuous beam bridge and the deformation and stress of the concrete box beam are given out ; then by measuring and analyzing the datum of the stress in the prestressed steel rope and the stress of section in the concrete box beam, this article presents two ways to identify the reasonable friction deviation factor k between longitudinal prestressed tendons and the wall of duct ( indirectly and directly ), and discover the regular pattern of prestressed friction loss

    首先運用橋梁結構分析專用軟體gqjs對預應力混凝土連續梁橋進行結構計算,得到了各施工工況下混凝土箱梁的撓度和截面應力;然後給出了識別引起結構預應力損失的孔道偏差系數k的兩種方法(間接法和直接法) 。通過對測得的預應力索沿程應力和混凝土箱梁截面應力數據的分析處理,得到了合理的預應力孔道摩擦偏差系數及預應力摩阻損失規律。
  19. By fitting reasonable external prestressing tendons to ensure ultimate bearing capacity of the bridge, to ensure stress reserve of the main beam, to reduce effectively principal tensile stress, to renew line state of bridge structure and gradient

    通過合理地設置體外預應力束,確保了該橋的極限承載能力;增大了主梁的應力儲備;有效地減少了主拉應力;恢復了橋面線形和坡度。
  20. Through analysis in theory and calculation on real cable - stayed bridges, following conclusions have been reached : 1 ) methods of modeling cable - stayed bridges for nonlinear finite element analysis are reasonable and effective and truss and beam element has enough accuracy

    通過理論分析和實例計算,本文得出了以下結論: 1 )本文在桿單元中用等效彈性模量來考慮斜拉索的垂度,考慮梁和塔中的梁、柱效應以及修正幾何剛度矩陣是合理的、有效的。
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