預應力鋼材 的英文怎麼說
中文拼音 [yùyīnglìgāngcái]
預應力鋼材
英文
prestressed steel- 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...
- 鋼 : 鋼名詞(鐵和碳的合金) steel
- 材 : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
- 鋼材 : steel products; steels; rolled steel; rolled products
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Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained
已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用,難以解釋珠光體材料何以具有較好的綜合力學性能,因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性,使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來,進而為材料微結構的設計提供依據。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。In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity
隨著電力工業建設的迅速發展,鋼材的用量急劇增長,為此,國家計委,原水電部和能源部一再強調在輸變電工程建設中,應從嚴掌握自立式鐵塔的建設。然而,一般的鋼筋混凝土電桿或與預應力混凝土電桿,較普遍地存在著縱向裂縫問題,嚴重影響了高壓輸電線路的安全運行及其使用壽命,已不能適應高壓輸電桿塔和變電構架的要求。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。Cfrp tendon is a new composite material manufactured by special technology, it has many advantages such as high - strength, low - density, better corrosion - resistant and so on, so it can potentially replace steel tendons in normal concrete structures and prestressed concrete str uctures, particularly in areas where corrosion is a problem
碳纖維塑料筋是採用特殊工藝製造的新型復合材料,它具有強度高,密度小,耐腐蝕等優點,能夠取代普通混凝土結構和預應力混凝上結構中的普通鋼筋和預應力鋼筋,尤其是在鋼筋銹蝕問題嚴重的地區。The a3 steel is a kind of plastic material which we commonly used in our daily life and teaching, but there is not much study of mechanical behaviour of the material after pretorsion and pretension intensify at present
A3鋼是我們日常生活和教學中常用的一種塑性材料,但對于這種材料在扭轉預應變和拉伸預應變后的力學性能目前研究的不多。First, to solve the present difficulties in steel - concrete engineering structural analysis and construction supervision and control, steel - concrete coordinating relations for two kinds of heterogeneous material composite members, prestressing cables and concrete, steel tubes and concrete, are studied and deduced by proposing the concepts of both composite members of heterogeneous materials and steel - concrete coordinating relations
首先,針對鋼混工程結構分析和施工監控中存在的一些難題,在提出鋼混異種材料組合構件和鋼混協作關系概念的基礎上,研究並推導了預應力鋼索與混凝土、鋼管與混凝土兩種異種材料組合構件的鋼混協作關系。Steel, concrete and composite bridges - specification for materials and workmanship, concrete, reinforcement and prestressing tendons
鋼混凝土及混合結構橋.第7部分:材料和加工質量混凝土鋼筋及預應力鋼筋束規范Steel, concrete and composite bridges - recommendations for materials and workmanship, concrete, reinforcement and prestressing tendons
鋼混凝土及混合結構橋.第8部分:材料和加工質量混凝土鋼筋及預應力鋼筋束推薦規范Standard specification for uncoated high - strength steel bar for prestressing concrete
預應力混凝土用未塗覆的高強度鋼棒材的標準規范Because of the former anchorage systems designed according to matching 1860mpa strength strands in the beginning of 90 ", they can not be suitable any more for the super strength strands with 2000mpa. therefore, some accidents occurred such as strands sliding and broken when tensioning. in addition, the advantages of the new materials as their high mechanics performance are not be used completely as the prestressing structures was designed as per the 1860mpa strands, which will result in the waste of materials, in view of the above - mentioned facts, by means of analyzing the development of anchorage systems home and abroad, in connection with the characteristics of the super strength strands ( 2000mpa ), this topic made a research on hvm15 anchorages by theoretical calculation and finite element analysis, and also on the manufacturing process and test
隨著預應力技術的發展和冶金工業冶煉技術的不斷進步,預應力鋼絞線的強度不斷提高,由原來1470mpa提高到1860mpa , 90年代末期已出現了2000mpa超高強鋼絞線,而原來的是在90年代初期按抗拉強度為1860mpa的鋼絞線標準設計的,因此,原有的錨具已不能適應現有超高強度2000mpa的鋼絞線強度要求,在工程中出現了斷絲滑移現象,同時,在使用和設計時仍按1860mpa鋼絞線的指標進行設計應用,沒能充分發揮材料的力學性能,造成材料浪費。Prestressed bar, anchorage device, construction and cost of civil engineering, evaluation, design, testing, addident analysis of pc structure, mould and reinforcement technology
土建類預應力鋼材、錨具、設備、施工與造價;預應力結構評估、工程設計、現場測試與事故分析;模板鋼筋技術。With the development of material science and transportation, thin - wall box girder ( including steel girder and prestressed concrete girder ) is used wildly in modern engineering of bridge, but shear - lag problem is arising accordingly, the result it takes can not be ignored, especially broad and low box girder
隨著材料科學和交通事業的發展,薄壁箱形梁(包括鋼箱梁、預應力混凝土箱梁)在現代橋梁工程中得到了廣泛地運用,但隨之而來是剪力滯后問題相當突出,特別是寬扁箱梁剪力滯效應不容忽視。Middle strength ( 1370mpa ) spiral ribs steel wires is a new type of high strength and good ductility and anchoring strength rolled steel, which is the ideal steel for the high effective pre - stressed reinforced concrete hollow slab. the slab with it has lower price than the traditional ones as well better mechanical property
中強( dw1370 )螺旋肋鋼絲是一種強度高、延性好、錨固性能優良的新型材料,是高效預應力空心板的理想的受力鋼筋,以這種鋼筋為配筋的預應力空心板不僅具有較好的力學性能,滿足現代建築市場對預應力空心板的要求,而且其價格比低於傳統的冷加工鋼筋。Low - relaxation prestressed steel wire is one kind of high degree of strength steels, and it is well used in construction industry. this paper based on the product technics, analysis the electric control system in detail. this thesis focuses on the control of the temper temperature, which is the core technics parameter
低鬆弛預應力鋼絲是一種很有前途的高強度建築用鋼材,本文根據低鬆弛預應力鋼絲穩定化處理生產線的工藝要求,對其電氣系統進行了全面、細致的分析,對重要的工藝參數?回火溫度的控制進行了詳細討論。Pre - stressed steel structure, a new kind of structure in which combined pre - stress with steel structure, can take full advantage of the elastic strength of steel, and multiple pre - stressed steel structure can repetitively make full use of the elastic strength of steel, thus it can enhance the structural capacity and further improve the rigidity of structure, proving that it is more economic than single pre - stress. therefore, it is both theoretically and practically important to conduct in - depth research on multiple pre - stressed steel structure
預應力鋼結構是一種將預應力與鋼結構相結合的新型結構,預應力鋼結構通過施加預應力以充分利用鋼材彈性范圍內強度,而多次預應力鋼結構可以反復利用鋼材彈性范圍內極限強度,提高結構承載能力並進一步提高結構剛度,比單次預應力具有更好的經濟效益,因此,對預應力鋼結構進行深入研究具有重要的理論意義和工程應用價值。With prestressed rolling mill of the middle steelworks of taiyuan iron and steel limited group company as the researched object, this article analyze the existent questions and research the initial stress of prestressed rolling mill and computer control system, analyze the design thought of prestressed rolling mill and clarify the relationship between the dimensional precision of rolled material and the rigidity of base of rolling mill and the main method to increase the rigidity of base of rolling mill, analyze how to confirm the rigidity, sectional area of handle and post, and pretightening force, put forward the viewpoint that the key to assure great rigidity is to assure that the remnant initial stress is always positive during rolling, and develop intelligent control system with plc as the core on the basis of the former research to assure that the remnant initial stress is always positive during rolling
本文以太鋼集團公司中型型鋼廠預應力軋機為對象,分析了該廠預應力軋機所存在的問題,對預應力軋機的預應力以及微機控制進行了系統研究;分析了預應力軋機的設計思路,闡明了軋材尺寸精度與軋機機座剛度的關系及提高軋機機座剛度的主要途徑;分析了預應力軋機設計過程中預應力軋機的剛度、預緊拉桿和機架立柱斷面積及預緊力的確定;提出了預應力軋機保證高剛度的關鍵就是「確保軋制過程中,殘余預應力始終大於零」的觀點;在前述研究的基礎上開發了以可編程邏輯控制器為核心的智能監控系統,以確保「軋制過程中,殘余預應力始終大於零」這個要求。Pre - stressed steel structure can take full advantage of elastic strength of steel, furthermore, multi - pre - stressed steel structure can repetitively make use of the steel structure ' s elastic strength
對鋼結構施加預應力可以充分的發揮鋼材彈性范圍內強度,而多次預應力可以反復的利用鋼材彈性范圍的極限強度,提高結構承載能力。Fiber reinforced polymer ( frp ) tendon, a new advanced composite material, has many advantages such as lightweight, high strength, corrosive resistance, fatigue resistance, and so on 。 frp tendons can do well with the corrosive problem of reinforcing steel bar in the concrect structure
纖維增強塑料筋( frp )是一種新型復合材料,具有輕質、高強、耐腐蝕、耐疲勞等許多優點。 frp能夠很好的解決現在混凝土結構中鋼筋銹蝕的問題,是較為理想的預應力材料。Non destructive testing - radiographic examination of concrete, reinforced concrete, prestressed concrete materials by x - and gamma rays - examples of radiographs with their interpretation
無損檢驗.採用x射線和射線法對混凝土鋼筋混凝土預應力混凝土材料作射線照相檢查.帶說明的射線照片範例分享友人