預應力元件 的英文怎麼說

中文拼音 [yīngyuánjiàn]
預應力元件 英文
prestressed element
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  1. Load cells for compression and prestress force measurement

    用於測量壓縮的測
  2. In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained

    本文利用有限模擬軟體dynafrom分析了不同類型的壓邊圈對薄壁階梯筒形成形過程的影響規律,測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂,獲得了防止缺陷產生的合理壓邊圈形式,確定了合理的模具結構形式;分析了不同的潤滑條(摩擦系數)對薄板階梯筒形成形的影響,獲得摩擦系數與薄板階梯筒形的拉深深度的關系;分析了階梯筒形成形過程中的不同階段的變分佈、毛坯材料厚度變化情況,並獲得了階梯階梯筒形能一次拉深成形的條
  3. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無裂紋和帶裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維狀態下的變場分析,來評價材料不同條下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  4. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、制體熱溫度和模具熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限計算模型,研究了變形過程中變場的變化規律,研究了模角對變形和金屬流動的影響及變形的變化過程和其影響因素。
  5. The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper

    然後,為了能真實地模擬實際生產過程,進行鋁與模具鋼在一定表面粗糙度、不同溫度條、不同潤滑接觸狀態下的最大靜摩擦系數實驗,總結摩擦系數隨溫度變化的規律性和取值范圍;最後,用ug 17 . 0三維有限cae模塊進行模具三維場分析,根據三維有限的結果分析,對模具危險部分進行變形的處理和優化,改善模具受變形的狀況。
  6. In this paper the author describes a way of determining the residual pre - tightening force after adding elastic elements to the connecting bolt at the flange on ball mill ' s shell and therefore a formula is induced

    闡迷了球磨機筒體法蘭聯接螺栓增加彈性后其剩餘的確定方法,並導出了相的計算公式。
  7. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及-變轉換原理,結合埋電測的樁身率定,對三組不同種類、不同施工工藝、不同持層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有的依據。
  8. Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided

    在模擬淬火、拉伸過程獲得含有初始殘余拉伸板材以及模擬單齒切削過程獲得切削載荷的基礎上,提出並採用接演算法,對一航空整體結構的材料銑削過程進行有限模擬,同時進行了試驗研究.結果表明,有限模擬的整體結構的變形與試驗具有一致性,從而證明提出的整體結構加工模擬關鍵技術的可行性,避免了為研究加工變形而進行的繁瑣的試錯法
  9. In order to ascertain the real stress and deflection of structure this paper puts forward experimental scheme. by measuring data during the process of construction, we can know the distribution of stress in simply supported - continuous beam and compare with initial design, then we can adjust it by control method to ensure quality of the bridge

    提出具體的試驗方案,論述了測試的測試原理,通過測量各控制點在不同階段的變和撓度,確定橋梁結構的實際大小和變形狀態,了解簡支轉連續結構各跨主梁與連續處的分佈情況,並與設計相互驗證,通過施工控制使結構符合設計要求,保證施工質量。
  10. This paper is to develop a model on synthesis reaction of methanol using material and thermodynamics balance, and to utilize matlab to solve multielement nonlinear equation set on proposed model, so calculate balance composition of reactions, parameters of various materials, various process criteria such as methanol output and consumption according to given operation conditions, thereby can quantitatively analyze the effect of various operation conditions on process criteria, so that direct the actual chemical operation, thus assist to determine the optimal operating conditions of synthesis, consequently could forecast various criteria such as yield and consumption according to given conditions of feeds

    摘要通過物料平衡與勢學平衡對甲醇合成反過程進行建模,並採用matlab工具對所建模型進行多非線性方程組的求解,以根據給定操作條來計算反平衡組成、各股物料參數、各主要工藝指標如甲醇?量、消耗等,並繼而定量分析各種操作條對工藝指標的影響,以便指導實際化工生?操作,從而幫助確定最佳的合成操作工況條,並可以根據給定的原料條等參數測合成?量與消耗等指標。
  11. These results demonstrate that the effect of improving the bearing load of structure is very good by strengthening the member of eccentricity compression under pre - stress. the ultimate bearing capacity of strengthened column is closely related to the eccentricity distance. in the condition of eliminating the lagging strain of angle iron, the magnitude of pre - stress putting on the angle iron has litter impact on the ultimate bearing capacity of structure

    偏心受的有限計算結果表明:法加固偏心受,其對結構承載的提高效果顯著;加固柱的最大承載與柱的偏心距有密切關系;在消除角鋼變滯后的條下,對角鋼施加的大小對結構最終承載無明顯影響。
  12. Thirdly, subspace iterative method is adopted in the paper, and natural periods and modes of preceding fifteen steps of zhongshan no. one bridge are solved, dynamic characteristics of this kind of structural system are obtained, inherent link between dynamic characteristics and structural rigidity is discussed deep, the viewpoint is provided that dynamic characteristics of a structure are considered as important basis whether structural scheme is rational ; in addition, the author brings out some own views and opinions about calculational methods of prestress value of different sorts of tie rods, simulation of local rigidity region, foundation of a local finite element model of a node

    另外,提出在施工階段中某些構有可能比成橋狀態的還大,需防止在施工狀態中構因強度不足而破壞;再次,採用于空間迭代法,求解了拱式組合體系橋梁的自振周期和振型,得出該種結構體系的動特性,深入探討了動特性和結構剛度之間的內在聯系,提出了把結構的動特性作為判斷結構方案是否合理的重要依據。此外,本文還就系桿值的確定方法、局部剛度區域的模擬、節點局部有限分析提出了作者的見解和看法,對解決類似問題得出了一些有參考意義的結論。
  13. Considering the behaviors of unbonded prestressed concrete beams and steel reinforced concrete columns, a kind of nonconforming beam - column element was constructed and the analysis precision was improved. loading and reloading paths were introduced into the constitutive relationship of concrete. it is helpful to the analysis program to trace the full - range mechanical behavior of structures including the descending part and the hysterisis characteristic under cyclic loading

    考慮無粘結混凝土梁、型鋼混凝土柱等結構構的受特點,構造非協調樑柱單,提高了分析精度;混凝土的本構關系中,引入卸載路徑和再加載路徑,使得分析程序可以追蹤包括下降段在內的結構全過程學行為,以及反復荷載下結構的滯回特性。
  14. According to the loading characteristics of bonded post - tensioned prestressed concrete frames, a program is worked out to perform a nonlinear finite element analysis for the static staff in both the stretching wire stage and the loading stage

    摘要根據后張有粘結混凝土框架結構的受特點,編制了適用於建立和施加外荷載兩個階段的靜非線性有限分析程序。
  15. It is pointed out when the pre - stressing force of spring component is larger than the stripping force, as well as the largest compression value of spring component is less than the largest permissible compression value, it should be as two confined indexes

    並提出彈性大於卸料,彈性最大壓縮量小於彈性的最大許可壓縮量,作為沖裁模卸料彈性設計時的兩個限制指標。
  16. Concrete, reinforced and prestressed concrete structures - part 4 : additional rules for the production and conformity control of prefabricated elements

    混凝土加筋和混凝土結構.第4部分:
  17. According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge

    本文根據典型的三跨混凝土墩連續剛構橋的特點,提出採用板殼有限法計算理論,建立其空間分析模型,研究該橋在不同荷載(均布恆載、集中活載、束)支承條下的空間受特性和變化規律:探討了典型三跨混凝土墩連續剛構橋的空間靜動特性及相的振動模態;探索一般的平面理論測值與實際空間效的差異,並進行相的試驗研究。
  18. The analyticed model is based on the relevant part of ug, and the handle has been simplified reasonably in preprocess. after material, load and boundary conditions being defined, the model ' s mesh is generated. through finite element analysis, the results of deformation and stress can be obtained ; at the same time the results can be exported from the postprocessor

    處理中對手柄進行合理簡化,定義材料、載荷與邊界條,劃分網格,然後進行有限分析求解,得到變形和等的分析結果,並在後處理模塊中進行結果的輸出。
  19. Steel strip sheaths for prestressing tendons - test methods - part 3 : to - and - fro bending test ; german version en 524 - 3 : 1997

    預應力元件用帶鋼製作護套管.檢驗方法.第3部分:前後
  20. The data used by calculation program and post - processing are formed by dialog boxes, and fed back by figure. a finite element program which considers the influence of axial deformation can analyze the prestressed concrete frame structure, then the structure is designed according to the code of concrete structure gbj10 - 89. post - processing can give the result of calulation by text file and graph, and plot construction drawings in autocad

    前處理模塊通過對話框採集數據來建模,並利用圖形反饋建模結果;計算核心利用考慮了軸向變形的桿系有限程序計算荷載效,並按《混凝土結構設計規范》 gbj10 ? 89計算承載能極限狀態和正常使用極限狀態;后處理模塊通過文本文和圖形顯示來完成結果查詢,並直接在autocad環境下生成施工圖。
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