預應力機構 的英文怎麼說

中文拼音 [yùyīnglìjīgòu]
預應力機構 英文
prestressing mechanism
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 機 : machineengine
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 機構 : 1 [機械工程] （機械的內部構造或一個單元） mechanism 2 （機關; 團體） organ; organization; institu...
  1. This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure

    本文首先介紹了空間結構的發展趨勢及拉索預應力空間網格結構的應用情況，概述了網格結構與拉索預應力空間網格結構的分析方法及其相互關系，論述了空間桿系桁架位移法，拉索作用機理，闡述了拉索預應力空間網格結構的優化設計及全過程設計的設計方法，包括拉索預應力空間網格結構使用階段的設計和施工階段的設計。
  2. The construction execution of prestressing work has many advantages such as : dry - work, rapidity, no organic adhesion agent, small space to be taken, the high efficiency of strengthening, so this way can be applied in the structures which request to improve bearing capacity largely and take small space after strengthening as well as other structures which will work in long time and in high temperature

    預應力加固過程是干作業，施工速度快，不使用有機粘結劑，加固后佔用空間小，加固效率高，適用於要求大幅度提高承載力及加固后佔用空間小的混凝土結構，也適用於要求施工速度快，加固后使用年限長，工作環境溫度高的結構。
  3. We can say that it can develop the usage of soil nailing wall fill the rank of piles disadvantage a bright future of developing and using. the development, application, advantage and disadvantage about the " prestress anchor ribbed beam support system " is introduced in chapter 1 : it " s supporting mechanism and structural feature is introduced and compared with the soil nailing walls and un - embedded rank of piles in chapter 2 ; design and computer steps and more details about the design methods of the support system are introduced in chapter 3 ; the two important parts named draperies and anchors are introduced on their construction technology in chapter 4 ; three foundation trenches " instances with different depth in different soil are showed in the last chapter 5

    本文在第一章概論部分介紹了「預應力錨桿肋梁支護結構」的發展、應用和優缺點；第二章分析其支護機理、結構特點，並與土釘墻和無嵌入排樁多錨支護進行了結構受力對比分析；第三章介紹該支護結構的設計計算方法步驟，詳細介紹了支護結構各部分的設計方法；第四章介紹預應力錨桿肋梁支護系統最重要的兩個部分：帷幕和錨桿的施工技術；第五章介紹了不同土層不同深度的有代表性的三個基坑工程實例。
  4. Additionally, rushing - board brake is parallel - adjusted so that its very convenient for users to adjust it. iii. j53 - 630c model is improved on base of j53 - 630b model, retaining advantages of j53 - 630b model such as air cylinder control, steel structure platform, rushing - board brake and integrated pre - stressing force machine frame

    三j53 - 630c型在j53 - 630b型的基礎上的改進型，保留了j53 - 630b型產品的優點，氣缸操縱，剛結構式平臺，推板式剎車整體預應力機架。
  5. With the further economic growth and the implement of development of the western regions, hydroelectric construction in our country is undergoing rapid growth, anumber of high - dam power - station is in building or in programming. in view of its higher - head and larger magnitude of spill structure outlet, it is difficult for conventional concrete or reinforced concrete structure of pier and pier room to support its vast water pressure. coupled with the improvement of prestressed method, it has been the noteworthy tool in solving the problem

    隨著我國經濟的加速發展及西部大開發戰略的實施，我國水電事業也迎來了迅猛發展的大好時機，一批高壩水電站正在建設或規劃之中，其泄水建築物孔口及水頭愈來愈大，常規混凝土或鋼筋混凝土閘室閘墩結構難以承受如此之大的水推力作用，隨著預應力技術的成熟，這一技術已成為解決該問題的關鍵技術措施之一。
  6. The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work

    索桿張力結構是指由張力索和壓桿組成的、具有預應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵，討論結構靜動定體系特性和幾何穩定性判定分析方法，指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法計算結構平衡矩陣的秩，並計算獨立機構位移模態和自應力模態.最後，對幾種典型的索桿張力結構進行了算例分析
  7. With the advancement of calculating theory and design technology, as well as the wide application of computer in the engineering design area, the bridge structure is developing towards large span, thin section, and prestress. the bridge construction scheme is also made great progress. with the research on construction project, the construction of the bridges over the river or the gorge is becoming more and more simple, efficient and economical

    隨著結構計算理論和設計技術的進步，以及計算機在工程設計領域的廣泛應用，橋梁結構向大跨度、薄截面、預應力方向發展，橋梁的施工方案也取得了很大的進展，通過施工方案的研究，使位於大江大河上及深山峽谷中的橋梁施工作業更加簡單高效、經濟合理。
  8. Abstract : described here are the structure and features of the prestrssed, high - rigidity, hydraulically - operated cold - drawing pipe mill as well as the mechanical analysis of the mill during pipe drawing operation

    文摘:介紹了預應力高剛性液壓冷拔管機的結構、特徵，進行了拔管時的力學分析。
  9. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  10. Then, the continuous beam bridge cad system is taken as a real example, to analyse the system structure including the layout, data requirements, procedure diagram of the sub - systems such as beam calculating and modeling, construction simulating, structure analysis, result output, pre - stressed tightwire layout, general tightwire layout, design graphic plotting

    然後，以「連續梁計算機輔助設計系統」為實例，詳細分析了該系統的整體結構，以及梁部計算模型生成子系統、施工過程模擬子系統、結構分析子系統、計算結果審核和文本輸齣子系統、預應力鋼束布置子系統、普通鋼束布置子系統、設計圖表子系統的層次結構、數據需求和處理流程。
  11. Based on the previous research results, the test study on quasi - static seismic resistance behavior of the monolayer and single - stride prestressed concrete flat - beam frame structures are mostly carried through. the low - cyclic reversed loading test of two frames with the same size and the same intension grade are conducted. one frame is made of ordinary concrete, the other is made of steel - fiber concrete

    研究結果表明：將鋼纖維摻入混凝土中用於框架結構，能使預應力扁梁框架具有足夠好的抗震性能，只要設計得當，可以形成梁鉸耗能機構及整體破壞機制，且具有較好的耗能及抵抗強震的能力。
  12. A way to avoiding crack or reducing crack width of concrete or reducing distortion of member is using prestressed concrete. the writer tried to make full use of the merit of the prestressed concrete and designed prestressed concrete mandril to control crack of structure. the prestressed concrete mandril, which was firstly applied high pressure on a small concrete bar, and then was made in concrete, so it would act as reinforced bar and resist load. in this thesis the writer designed 24 mmnbers and had experimental study of them, reached the conclusion that the effect of resisting crack of the prestressed concrete mandril was good when the load was not large, it can enhance the capacity of resisting crack and reduce the crack distance and crack width, but when the loads was large, the effect of resisting crack was not good, when we used the prestressed concrete mandril and reinforced bar together in member, the effect of resisting crack was very good. the writer analysed the adherence mechanism and wreck mechanism of the prestressed concrete mandril in anxial tension members, and according to the character of the prestressed concrete mandril, the writer constructed the bond model of it. then the writer introduced the analysis theory of crack including the bond - slip theory, the non - slip theory, the synthesis theory and mathematics stat method. the different theory had different theory base, they considered that the primary affection of crack width was different. in this test, the crack distance and crack width of members which placed reinforced bar were match to the compute value of the code gb 50010 - 2002 very well. to the members which

    本文共進行了24根試件的試驗研究，得出了預應力混凝土芯棒能較大地提高構件抗裂承載力，在荷載小於預應力混凝土芯棒的開裂荷載時有較好的抗裂效果，能較大地減小裂縫間距和裂縫寬度，但是當荷載較大預應力混凝土芯棒開裂時預應力混凝土芯棒的抗裂效果不是很好，若將普通鋼筋和預應力混凝土芯棒一起使用時則有很好的抗裂效果。本文分析了預應力混凝土芯棒在軸拉試件中的粘結機理和破壞機理，根據預應力混凝土芯棒本身的特點，提出了預應力混凝土芯棒與后澆混凝土之間的粘結模型。然後本文詳細介紹了經典的裂縫分析理論粘結滑移理論、無滑移理論、綜合理論和數理統計方法，各理論有著各自不同的理論基礎，認為影響裂縫寬度的主要影響因素也各不相同。
  13. The author designed, made, processed and tested to the plexiglass model and the bridge. then author calculated and analyzed the results, as a result of the computer programs bsas, sap, qjx and nastran. the author researched the force characteristics and structural behavior of large - span prestressed concrete bridges with continuous rigid frame structure, used the advanced theory and technology, materials, arts and crafts to resolve the practical matters in design and construction, to optimize structure, and to provide credible technical data for the design and construction and maintenance of bridges

    本文以吉林省九站松花江特大橋為研究對象，通過有機玻璃模型的設計製作及加工和試驗，以及對已竣工通車的實橋荷載試驗，利用計算機程序bsas 、 sap 、 qjx及nastran等程序進行理論計算和綜合對比分析，探討大跨徑預應力砼連續剛構橋的力學特點和使用性能，運用先進的理論、技術、材料、工藝等來解決設計和施工中存在的實際問題，優化結構，並為橋梁的設計、施工及使用維護等提供可靠的技術資料。
  14. On the basis of establishing the model of the axial tensile members of the prestressed concrete filled steel tubular, two - step design method is used to explain the principle of work and the stability bearing capacity of the structure at the stage prestressing is analyzed ; 2

    本文主要進行了如下工作： 1在建立預應力鋼管混凝土軸心受拉構件模型的基礎上，用兩階段設計法闡述了其工作機理，並對結構在預應力施加階段的穩定承載力進行了理論分析； 2
  15. Prestressed rolling mill is a kind of rolling mill with short stress line and great rigidity. compare with the same type of common rolling mill, it has great rigidity, simple structure and light weight, and is easily assembled and disassembled

    預應力軋機是一種短應力線的高剛度軋機，與同規格的普通軋機相比，具有剛度高、結構形式簡單、重量輕、裝拆方便的優點。
  16. And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure

    明確了葵花型索穹頂結構形態分析的具體內容；闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程，指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ，相當于結構力學中的超靜定結構，同時它也是幾何穩定的結構；提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法，這種方法求得的初始預應力更加準確。
  17. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上，針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題，綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法，詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為，結構混凝土中鋼筋的腐蝕是一種電化學的過程，包括在金屬表面形成陽極（腐蝕）和陰極（鈍化）區域以及不同區域間的電位差等。
  18. First, based on the analysis to the development condition of computer and property of the input data of bridge, this paper, taking convenience and practicability as principle, develops the multi passages data - in system made up with human - computer interactive interface and excel import model. second, after comparing and analyzing to the calculation theories and methods of creep and shrinkage, clearing up the key steps of creep and shrinkage analysis, the paper takes incremental method to establish program to analyze secondary inner force caused by creep and shrinkage. third, the paper puts some optimal or simplified treatment to the contents of pre - stress and develops relative program ; in addition, through analysis to the different methods used to calculate the secondary inner force caused by pre - stress, the paper combines equivalent load method with finite element, carries out some simplified treatments, and establishes program to calculate secondary inner force caused by pre - stress

    首先，在分析當前計算機的發展狀況及橋梁結構輸入數據特點的基礎上，以方便、實用為原則，採用人機交互界面和excel輸入方式聯合的多通道數據輸入系統；其次，通過比較分析徐變收縮計算的各種理論及方法，澄清了徐變收縮分析的關鍵過程，並採用增量法編製程序，實現徐變收縮次內力分析；再次，對預應力的相關計算內容進行適當優化或簡化處理，並編制相應程序；另外，本文還在比較預應力次內力各種計算方法的基礎上，將等效荷載法結合有限元進行一些簡化處理，編製程序實現預應力次內力的計算；最後以三個算例來校核計算方法及程序運行結果的可靠性，取得了預期效果。
  19. The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted

    本文基於模塊化設計思想，研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀，其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊，通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外，還具有無損測試玻璃構件不同位置的局部強度和表面預應力，進而對玻璃構件的安全可靠性和壽命進行預測等功能。
  20. 16 thousand kn j53 - 1600c model double - disc friction spiral press adopts international advanced structural configuration on its machine frame, that is split body with 4 - pull rod pre - stressing force structure

    J53 - 1600c型16000kn雙盤摩擦螺旋壓力機的機架採用國際先進結構形式，即分段機身四拉桿預應力結構。
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