預變形鋼 的英文怎麼說

中文拼音 [yùbiànxínggāng]
預變形鋼 英文
prestressing steels
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 鋼 : 鋼名詞（鐵和碳的合金） steel
  1. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論，以圓鋼雙線切分為基本實體模型，結合生產實踐，對切分位置、切分方式的選擇和切分孔型系統的設計參數進行了分析，並建立了預切分軋件和切分軋件的面積計算模型。
  2. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程，從鋪裝層環境溫度變化范圍、交通量等使用條件出發，在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上，提出了（即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma ）的高性能鋼橋面sma鋪裝體系，並對這種sma的組成材料，包括改性瀝青、集料、礦粉、纖維進行了比較研究，設計了這種sma的配合比，對sma混合料的性能進行了對比試驗，對這種sma方案進行了疲勞性能研究，驗證了所選擇sma方案的可行性。
  3. Using the optimum calculating method, some important technical parameters could be determined, that is, optimum supporting force, allowable deformation of rock mass, cross section area of u - shape set, pre - tight force and diameter of the bolt as well as torque to provide optimum supporting force

    用這一計算方法能求出巖石恆阻支護的重要技術參數，即最優（小）恆阻支護力、圍巖最大允許變形量、恆阻u型鋼支架的截面積、聯接螺栓的預緊力和直徑及最優支護力的擰緊力矩。
  4. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次，設計了三根活性粉末混凝土無粘結預應力疊合梁，兩點對稱集中加載、一次受力，得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  5. Partially prestressed concrete structure has been widely used in the field of civil engineering. the deformation is very important for prestressed concrete members, for they are thinner than those of reinforced concret owe to the adoption of hign - intension material and developed technic of design and construction. at present, there are some formulae for deformation in the criterion of many countries. mostly there are 3 methods in use : double linearity method, method of valid inertia and curvature integral calculus method. this article will discuss the influence of material, spa, construction form, and adjust the formula for stiffness of gb50010 - 2002 to a new uniform formula for deformation

    在土木工程領域，部分預應力混凝土結構因其良好的跨越能力和經濟性而得到了廣泛的應用，並發揮了巨大的作用。由於採用了高強度材料並進一步改善了設計和施工技術，預應力混凝土構件一般比普通鋼筋混凝土構件更為細巧，因此，撓曲變形問題顯得尤為重要起來。目前，各國規范對于部分預應力混凝土構件的變形計算均有相應的公式，變形計算的關鍵是剛度的計算。
  6. Steel wire, deformed for prestressed concrete railroad ties

    預應力混凝土軌枕用變形鋼絲
  7. 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、不同溫度條件、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，應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析，根據三維有限元的結果分析，對模具危險部分進行預變形的處理和優化，改善模具受力變形的狀況。
  8. ( 3 ) this thesis deduces the predigestion calculating method for calculating the section stress redistributed by the effects of concrete shrinkage, creep and difference temperature of pre - stressed lager cantilever composite beam with corrugated steel webs

    （ 3 ）推導了預應力波形鋼腹板組合挑梁關于徐變、收縮及溫度效應下的截面應力分佈簡化計算方法。
  9. In this thesis, the new structure of pre - stressed cantilever composite beam with corrugated steel webs on steel - concrete composite spine girder was brought forward for the first time, a series of experimental researches and theoretical analyses relating to this new structure are conducted, including load transverse distribution rule, shrinkage and creep effect, temperature difference effect, and ultimate bearing capacity

    本文提出大懸臂預應力波形鋼腹板挑梁這一新的構造形式，對其橫向分佈規律、收縮徐變、溫差效應以及承載能力等方面的受力特徵進行了分析和試驗研究。
  10. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  11. In the paper, the study of strengthening reinforced concrete beam using prestressed carbon fiber reinforced plastic is introduced, which is the subsystem of repairing and strengthening reinforeed concrete structure using carbon fiber reinforced plastic, undertaken by college of civil engineering of hunan university

    本文結合省建設廳課題碳纖維加固鋼筋混凝土結構的受力變形性能及加固方法研究，對預應力碳纖維布加固受彎構件進行了試驗研究和理論分析。
  12. Considered local damage due to steels corrosion, fatigue, prestressing loses, whole bridge incline and distortion, this paper studies damage diagnosis technique of the cable - stayed bridge and determines the location and size of damages for yonghe cable - stayed bridge, which has been used after 15 years

    針對鋼筋腐蝕、疲勞、預應力鬆弛、橋梁整體傾斜或變形所引起的斜拉橋局部破損，本文以使用15年後的永和斜拉橋為研究對象，對大型斜拉橋破損診斷技術進行研究，對永和斜拉橋破損位置進行定位、對其破損程度進行評價。
  13. The main causes, which have effects on redistribution of internal force in the prestressed frame, including the relative height compressive zone of section, secondary moment and types of load applying are taken into account. the horizontal braces force which results from the tension of the prestressing steel, reduces the pre - compress stress is analyzed

    並且探討了各影響因素對框架梁截面延性的影響和由於柱的抗側剛度在預應力鋼筋張拉時約束梁的軸向變形，從而影響預應力在梁中的建立所造成的梁中軸向預壓力的損失。
  14. In a big cantilever overhung structure, unbonded prestressing concrete technology can increase the stiffness of reinforced concrete brace, decreases the de - formation, cut down the column section area, save the cost, solve the difficult problems during the process of design and construction and also enlarge the range of unbonded prestressing concrete technology

    摘要在大懸臂懸挑結構中，利用無粘結預應力施工技術，提高鋼筋砼支撐的剛度，減小變形，減小柱截面面積，節約造價，解決了設計、施工中的難題，擴大了無粘結預應力技術的應用范圍。
  15. ( 1 ) based on the experiments, this thesis discusses the stress loss of vertical prestress caused by deformation of anchorage, the resilience of the tendon and the joint compression ( l2 ), the elastic compression of the concrete ( l4 ) and the relaxation of the tendon ( l5 ). it is concluded that the anchorage deformation is dominated in vertical stress loss. measures are suggested to diminish the loss of the vertical prestress during the design and construction of the bridge

    （ 1 ）本文在試驗的基礎上，研究了豎向預應力筋的錨具變形、鋼筋回縮和接縫壓縮損失l2 、混凝土的彈性壓縮損失l4和力筋的應力鬆弛損失l5 ，其中，第一項是最主要的損失，論文據此對設計和施工中如何減小豎向預應力的損失提出了自己的看法和建議。
  16. A predigested car model and a reasonable bridge model were presented after the bridge structures and the colliding characters were analyzed. the stress and the displacement of the concrete, bar, pre - stress bar changing with time were presented. the stress of the whole bridge at the time of the contact and the deformation of the whole bridge at the end of the contact are obtained

    採用美國ansys公司的有限元軟體ansys ls - dyna對碰撞過程進行數值模擬分析，得到了撞擊點附近混凝土、普通鋼筋以及預應力鋼筋的應力及位移隨時間的變化規律，同時得到了全橋在碰撞后瞬間的應力分佈規律和碰撞結束前全橋的變形規律。
  17. Through the test of the four prestressed steel wires at elevated temperature around the range of 20 to 800, the thermal strain of the four prestressed steel wires under stress is studied, the main reasons of the thermal strain are analyzed, and the computation equations are listed

    摘要通過對4種常用的預應力鋼絲在高溫下的試驗，研究了4種預應力鋼絲在不同應力水平下，在20 ~ 800范圍內的變形性能，並分析了熱應變產生的主要因素，給出了相應的計算公式。
  18. Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration

    首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。
  19. Standard specification for steel wire, deformed, stress - relieved or low - relaxation for prestressed concrete railroad ties

    預應力混凝土鐵路軌枕用應力消除或應力低鬆弛變形鋼絲的標準規范
  20. With the method, each mechanical stage of this kind of structure could be simulated and calculated including crack moment, ultimate strength, stresses and deflections of all stages more precisely

    利用該方法可以對結構的各受力階段進行模擬計算，得出各階段預彎鋼梁、一期混凝土、二期混凝土的應力和結構變形，並能計算出預彎組合梁的開裂荷載和極限破壞荷載。
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