梁常數 的英文怎麼說

中文拼音 [liángchángshǔ]
梁常數 英文
beam constant
  • 梁 : 名詞1 （屋架中架在柱子上的長木） beam 2 （通常也指檁） purlin 3 （橋） bridge4 （物體中間條狀隆起...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. He was also one of the few composers to bridge the gap between conventional tonality and atonality

    他也是少數一位能搭建常規調性和非調性橋梁的作曲家。
  2. The beam has a constant flexural rigidity.

    該梁具有常數彎曲剛度。
  3. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造，建立墻板的復合材料二相體力學模型，按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強，得出墻板的彈性計算常數及剪切常數，在此基礎上，進一步將墻板簡化為各向同性的計算模型，給出墻板彈性模量及剪切模量實用計算公式，為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  4. Paragraph of time, the physical - training teacher educating a branch to organize implement new class bid to middle and primary school reforming condition making an investigation, indicate on inquiry in the front, scale is small since a little school running a school, a little rural area elementary school, does not move space especially, be not enough to pay attention to waiting a minute or to physical training, do not have very good according to that new class switches over to demand to open enough physical education, since entering the higher school the system restraint, a little school defies student sports activities and good health, physical education birthplace having some of higher class with the method of work " resorting to fraudulence ", go ahead culture class within outside row physical education, at present major middle and primary school stadium field layout, equipment and material facilities are obsolete, short - supplied, foundation has no way to ensure that regular sports of school is flexible carrying out, is difficult to say material request adapting to new class more

    前段時間，教育部門組織體育教師對中小學實施新課標改革情況進行調查，調查表明，一些學校由於辦學規模小，特別是一些農村小學，沒有運動場地，或者對體育鍛煉不夠重視等等，沒有很好地按照新課改要求開足體育課，由於升學制度的制約，一些學校無視學生體育活動和身體健康，有些高年級的體育課貫用「偷梁換柱」的做法，外排體育課，內上文化課，目前多數中小學體育場地布局、器材設施陳舊、緊缺，根本無法保證學校正常的體育活動的開展，更難以說適應新課材的要求。
  5. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本文做了以下一些工作並得到若干結論： （ 1 ）提出了「復合雙層地基」的概念，並通過工程實例證明此概念的提出有其合理性和必要性； （ 2 ）用彈性地基梁理論證實了復合雙層地基確有應力擴散效應，且擴散效應隨上覆硬層厚度、剛度的增加而增大，隨下臥層基床系數的增大而減小； （ 3 ）建立了非線彈性、各向異性有限元模型，並以此為基礎分析了復合雙層地基的應力擴散效應，得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論； （ 4 ）推導了可用於常規計算的復合雙層地基應力擴散系數公式，並代入工程實例進行了驗證。
  6. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。
  7. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫振導數識別的水平和存在的問題，本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。
  8. When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance

    當軸向運動速度在其常平均值附近作簡諧波動時，應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。
  9. On basis of ship strength theory, mathematical model and solvable method of limited deflections of ships are established, and deflection criterion to check the demands of longitudinal strength of intact ships or damaged ships is proposed. it is convenient for the preliminary ship design

    根據船體梁強度理論，建立船舶極限撓度數學模型與求解方法，提出利用船舶撓度檢驗船體總縱強度的新方法，可以較方便地對正常或破損船舶總縱剩餘強度進行檢驗，便於初步設計。
  10. The method for design thin - wall core box cast - in - site concrete hollow floor using common structural computing software is put forward and the scale for the magnifying stiffness coefficient of the spandrel beam and middle beam is discussed

    5 、提出了採用常用的結構計算軟體計算薄壁箱體現澆混凝土空心樓蓋設計的方法，提出了邊梁和中梁剛度放大系數的建議。
  11. In this chapter, the basic concept of the system is summarized according to the main experience of the bridge ' s managing system in mainland and foreign, and the developmental history and present state of the bridge ' s managing system is reviewed ; the second chapter is the data managing subsystem. this subsystem is the base in the whole computer system. these data, that of bridge ' s design, record in the period of constructing, datum in experiment and that of datum by regular check and the check in important place, are all collected in this system ; the third chapter is the evaluated subsystem

    全文共分為七章：第一章是緒論部分，根據國內外橋梁管理系統實踐的主要經驗，總結和概括了橋梁維修加固計算機系統的基本概念，回顧了橋梁管理系統的發展歷史及現狀，確定了本文的研究方向和指導思想；第二章是數據管理子系統，收集了橋梁的設計、施工記錄和試驗資料的數據，以及橋梁檢測資料包括通過常規檢查和重點部位檢查得到的相關數據。
  12. Compared to their straight counterparts, the behaviors exhibited by curved beams are far more complex. curved beams will deflect biaxially and twist simultaneously when subjected to general loadings

    與直梁不同，曲梁在外荷載作用下通常是既彎又扭，其變形描述是個復雜的數學問題。
  13. All of theses database was integrated into a land information system, which can be used to land evaluation and land use analysis. the second part is the application of soter land information system in land evaluation, based on water balance model watsat, crop simulation model ps 123 and ales ( automated land evaluation system ). the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences, it includs three decision trees, namely soil erosion risk, soil water condition and soil fertility

    以邯鄲地區1 25萬soter土壤土地數據庫為基礎，探討了土壤參數區域化問題，並利用watsat區域水分平衡模型，研究了邯鄲地區區域水分平衡：大部分地區土壤水分滿足夏玉米生長需求， （ suff ）值為0 . 8 - 1 . 0 ，非常適宜；部分地區如大名地區、邯鄲和永年部分地區、涉縣溝谷坡梁地區土壤水分適宜夏玉米生長， suff值0 . 4 ? 0 . 8 ；不適宜地區， suff值0 . 2 ? 0 . 4 ，主要集中於丘陵山區以及平原古河谷地礫石和粗砂分佈區。
  14. The system can simulate welding expert to help technicians to complete procedure parameter design, set down wps and save them. besides the mechanical property and chemical composition of low carbon & low alloy steel, the weldabiliry and the defect forming analysis of them have been given in the system. furthermore, the estimation of welding cost and welding procedure files management can be accomplished

    系統能模擬焊接領域專家輔助設計人員進行焊接工藝參數的設計，編制出wps並保存文件；能進行簡單的焊接成本估算；能實現鐵路、橋梁及其它鋼結構生產中常用的低碳及低合金鋼及其焊接材料的力學性能和化學成分的查詢；能進行母材焊接工藝性以及常見焊縫缺陷成因分析與對策等的咨詢；能對各工藝文件進行有效的管理，包括對圖片的管理，能實現簡便地查詢、靈活地調用等。
  15. Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced

    對于板端剝離破壞，在總結現有承載力模型的基礎上，利用已有試驗數據對各承載力計算公式進行了分析比較，進一步採用分階段分析法，推導了板端界面應力的計算公式，在此基礎上，採用加固復合梁有效慣性矩的修正公式，建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公式；對于跨中受彎裂縫導致的粘結破壞，闡述了常見的幾種粘結強度之間的區別和聯系，並基於拉剪粘結強度，提出了跨中受彎裂縫導致粘結破壞的承載力計算公式，並利用現有試驗結果確定了模型中的一些參數；最後，利用試驗數據對本文建立的兩種粘結破壞承載力計算公式進行了檢驗，結果基本吻合。
  16. In allusion to section modality and transverse joint of common span bridges, we choose two kinds of calculating theories in transverse distributing calculate process : the theory of rigidity crossbeam and the theory of hinged girder and slab. making the use of the theory of optimized design, i constitute mathematics model and choose appropriate calculated method. and find the form and detail dimension of section when beams of the bridge satisfy bending moment ^ shearing force and torsional moment

    在用橫向分佈理論計算單梁扭矩過程中，針對現有常用跨徑橋梁的截面形式和橫向連接狀況，選取了兩種計算理論：剛性橫梁法和鉸接梁（板）法，利用結構優化設計原理，建立主梁承載力的數學模型，選擇合適的優化計算方法，得出在滿足彎剪扭承載力要求時主梁的細部尺寸。
  17. Sampling methods for common distributing random numbers and the samples of random fields are proposed. combining the monte - carlo simulation technique with the one - dimensional discretization finite element method, the monte carlo - finite element method for stochastic analysis and the reliability computation of thin - walled box girders are proposed in this thesis

    建立了幾種常用分佈隨機數以及隨機場隨機樣本的產生方法；將蒙特卡羅數值模擬與薄壁箱梁一維離散有限元法相結合，提出了薄壁箱梁隨機分析和可靠度計算的蒙特卡羅有限元法。
  18. This article presents a mathematical calculation model of kinematic parameters for the unusual shape beam pumping unit by analyzing its geometry relationship and kinematic characteristics

    異形游梁式抽油機的游梁后臂有效長度隨曲柄轉角而變化，故無法利用常規游梁式抽油機的解析方法來計算其運動參數。
  19. The economic loss due to rebar corrosion adds up to tens of billions us dollars aboard. in china, the problem of rebar corrosion is increasingly serious in every kinds of constructions, especially in some bridges and marine structures built in many years ago

    在國外，每年由於鋼筋銹蝕造成的損失高達數百億美元；在我國，各類結構中的鋼筋銹蝕問題也日益突出，尤其是在早期建造的橋梁及一些海工建築中鋼筋銹蝕情況非常嚴重。
  20. Several classical methods of interface element, soil behaviors and structure characters are presented in this paper. the author made great effort on the modeling of the interface element and the underground structure element, while considering the soil obey the mohr - columnb yielding principle, modified the existing beam element for solid rectangle pile and applies this element into thin - wall hollow pile, proposes a kind of board element. some examples are presented in the paper to test these new concepts and corresponding formulas

    本文在總結已有的結構與土相互作用問題中的接觸面單元形式、土的本構關系以及結構的數值模擬方法的基礎上，對滿足摩爾庫侖屈服條件的土體材料用常規的薄層單元模擬進行了更加深入的驗證，在已有實心矩形截面樁與土相互作用描述模式的基礎上推導了薄壁筒樁用梁模擬時與土相互作用分析模式，和考慮與土相互作用時用板單元模擬地下連續墻的分析方法。
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