通縫破壞 的英文怎麼說

中文拼音 [tōngfénghuài]
通縫破壞 英文
straight-line joint failure
  • : 通量詞(用於動作)
  • : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
  • : Ⅰ動詞1 (完整的東西受到損傷) be broken; be damaged 2 (使損壞) break; break down; damage 3 (使...
  • : Ⅰ形容詞1 (不好的; 惡劣的; 使人不滿意的) bad 2 (表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • 破壞 : 1 (使建築物等損壞) destroy; wreck; ruin 2 (使事物受到損害) do great damage to; do harm to; da...
  1. In order to effectively determine the position and distribution of porosities in laser welding sampes with complex structure, a preliminary research was proceeded on the distribtion features of porosities and a formula which can calculate the buried depth of porosities was deduced based on the line profile distribution curve of the flaw position

    為了確定復雜結構激光焊件焊中氣孔缺陷的位置和分佈,對氣孔缺陷的分佈特徵進行了研究,推導出氣孔缺陷埋藏深度的計算公式,設計了峰值異常缺陷和斜凹型異常缺陷投影距離自動提取演算法,確定了缺陷在鈦合金激光焊件中的分佈特徵,並過模擬試件的性試驗對該公式進行了驗證。
  2. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    過對路面板底界面開裂、路面板中裂積聚、擴展和路面表面車板相互作用及其對路面疲勞的影響等三個層面的研究和分析,首次提出水泥混凝土路面的開裂和過程可以分為三個階段,即路面板底初始損傷西南交大學博士研究生學位論文第11頁和早期裂的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂擴展階段以及路面斷裂階段。
  3. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:過兩榀節點在低周反復荷載作用下的試驗,分析其形態、耗能能力、延性性能和節點核芯區裂開展情況,評估節點的抗震性能和抗裂能力,推導出預壓裝配式框架節點的抗裂驗算公式;並運用ansys對試驗中的節點進行了非線性分析,計算結果與試驗結果基本吻合。
  4. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講,根據w - w的五參數混凝土理論,建立混凝土的開裂準則,根據開裂應變值來判斷裂是張開還是閉合,從而在兩者基礎上建立了裂的開裂預測模式,總共有16種開裂模式;裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣,即用等效剛度代替原有剛度,考慮到垂直於裂方向的剛度為零,這樣會使裂后的總剛出現病態,為此文中過引用鬆弛系數來對出現裂的單元進行預處理,一方面可解決因過大的舍入誤差導致計算結果的不可信問題,另一方面就是可加速收斂。
  5. At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result

    首先,過單調靜力加載試驗研究,對梁的裂延伸和開展、縱筋應變、箍筋應變、梁的撓度等指標進行了細致的量測,試圖追蹤每一試件在裂發展及過程中縱筋應變狀態的變化和裂發展程度的相關性,進而總結出有腹筋約束梁裂開展及鋼筋應力分佈的一般規律。
  6. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有試驗的經驗,本文設計和完成了對18根超高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷載下抗剪強度的試驗,觀察了試件從裂出現到完全失去承載能力全過程的試驗現象並過拍照進行記錄,獲得了試件的斜裂出現荷載、臨界斜裂荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  7. According to test results of two specimens of local transfer rc joint from inclined column to beeline - shaped wall under vertical static loads and results of corresponding finite element analysis ( ansys ), fundamental behaviors of the joint are achieved, which include paths of vertical load transfer before and after cracking, stress distributions, occurrence and development of cracks and final failure mode of the joint

    本文過兩個鋼筋混凝土斜柱?一字形薄壁柱局部轉換節點在豎向荷載作用下的靜力試驗以及有限元分析,獲得了該節點的基本性能,其中包括開裂前後的豎向荷載的傳遞路徑、試件應力分佈,裂的發生、發展,及試件最後的形態等。
  8. 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,能較大地減小裂間距和裂寬度,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,認為影響裂寬度的主要影響因素也各不相同。
  9. Secondly, through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system, under the normal usage load, the normal usage limit - state and the failing load, we have validated the space working - feature of the structural model under variable loads, including the rigidity, the crack, failing - state, failing load and the stress variation of the pre - stressed bar, and so on

    其次,過對該體系的結構模型在正常使用荷載、正常使用極限狀態和狀態下的試驗研究,驗證了現澆預應力復合樓蓋體系模型結構在各種荷載作用下的空間工作性能,包括剛度、裂形態、極限承載力及預應力筋的應力變化狀態等。
  10. Straight line joint failure

    通縫破壞45
  11. The dynamical parameter was regarded as evaluation guideline, and through investigating the change characteristic of the basin and modulus under different destroy boards, different area and different level loads, the identify methods of the pavement bursted have been given and we advise to use synthesize modulus ratio to evaluate the pass - loads capacity of the joints. we have also discussed the influence of different level loads to the joints pass - loads capability, and confirmed the commonness and oneness of the influence of the pass - loads and bursted to the basin and modulus under the critical loads, and the range of the critical loads was also given. basing on the determination of the pass - loads a

    以動態參數作為評價指標,過研討不同板的不同區域,在不同等級荷載作用下彎沉、模量的變化特性,提出了路面脫空識別辦法以及利用綜合模量比來評價接傳荷能力的思想,探討了不同等級荷載對接傳荷能力的影響特性,確定了臨界荷載下傳荷與脫空對彎沉、模量影響的共性和單一性,並確定了臨界荷載的范圍,在判定脫空和傳荷基礎上提出了水泥混凝土路面的壓漿效果的評價方法,過研討荷載與動態模量的關系,對地基的動態性能進行了系統的分析與評價。
  12. 2 ) nonlinear fem was employed to simulate the whole process of changing internal force and deformation, the appearance and development of cracks, and to describe the failure mode and the ultimate strength capacity level. in addition, proven analysis model can provide more information so as to break the limits of test study

    2 )過密肋復合墻體非線性有限元分析,較為真實、簡化地模擬墻體內力和變形發展的全過程,描述裂的形成和擴展以及墻體的過程、形態和極限承載力水平。
  13. 3 according to analysis on the reason for failure of joints, improved measures for new joints are presented, the following phases are included, improved butt welding design, improved technology and welding sequence for butt welding seam, intensive strength checking for butt welding seam, intensive quality inspection for butt welding seam

    (三)過對節點成因的分析,提出了新型節點的改進措施,包括四個方面:改進對接焊的設計、改進對接焊的焊接工藝和焊接順序、加強對接焊的強度校核、加強對接焊的質量檢測。
  14. The details are as following : 1 ) through the experiments of seventeen reinforced concrete plates with round openings, stress distributions of concrete and steel bars, concrete cracking, failure mechanism, and the influence of reinforcing bars with different amount and layouts on cracking and failure mechanism of the specimens are studied. the experimental study provides data not only for the validation of fea model and nonlinear fem program, but also for the research on new methodology of design for orifices

    本文的主要工作有: 1 )過17塊帶圓孔鋼筋混凝土板的試驗,研究在荷載作用下孔口周圍混凝土和鋼筋的應力應變分佈和孔口開裂、規律,以及不同的配筋方式和數量對孔口混凝土裂的產生、發展及孔口的影響,為驗證有限元分析模型及非線性分析程序的可靠性提供試驗依據,並為建立新的孔口配筋設計方法提供基本試驗資料。
  15. Based on the experiment on a prestressed concrete frame with beam - column subassemblages under low reversed cyclic loading, the crack distribution, failure pattern, hysteresis curve, and displacement of the frame are studied systematically

    摘要文章過對一榀預壓裝配式預應力混凝土框架在低周反復荷載作用下的試驗,深入研究了預壓裝配式預應力混凝土框架的裂分佈、形態、滯回曲線及位移延性等抗震性能。
  16. ( 3 ) reinforced concrete frame columns modeled by using three - dimensional solid element to concrete and three - dimensional bar to reinforcing steel bar, and at the same time consideration the adhesive bond between reinforcing steel bar and concrete, the fem is used. by choosing reasonable element, determining mesh division and load steps, simulation of load - displacement, cracking, yielding and ultimate load, crack development history, and calculating fail crack diagram of reinforcement concrete frame columns under laterally monotonic load are conducted. the analyses are compared with the experimental results

    ( 3 )混凝土用三維實體單元、鋼筋用空間桿單元對鋼筋混凝土框架柱進行三維建摸,而且同時考慮了鋼筋和混凝土的粘結性能,過合理的單元選取、網格劃分及荷載步的確定,模擬了單調荷載作用下鋼筋混凝土框架柱的荷載啦移曲線、開裂荷載、屈服荷載及最大荷載、裂發展規律、計算圖,並與相應的試驗結果進行了比較分析。
  17. Therefore, the present paper, based on the existing achievements as well as an extensive study & investigation in combination with part of the achievements the author has derived by hosting or participating in the research programs of the cement concrete pavement, has led to three phases of fissures and breaking in the pavement slab on the condition that each performance of the subgrade is maintained, i. e. stages of formation in initial cracks, of accumulation & expansion in ruptures and of fissures & breakage in the pavement

    為此,本文在已有研究成果的基礎上過廣泛調研,結合作者近幾年來主持或參加的有關水泥混凝土路面研究課題的部分成果,在路面基層的各種性能得到保障的前提下,過理論研究和試驗研究,得出路面板的開裂過程分為三個階段,即初始裂形成階段、裂累積和擴展階段以及路面斷裂階段。
  18. By calculated and analysed of the lanedslide stability, it is conclused that the big fissure , clayey sail of ground water - level fluctuation and digged base of slope formed an unstable slope

    過穩定性的定量計算與定性分析可知,坡體上的大裂與地下水變動帶在開挖坡腳處剪出聯合組成的滑面穩定性最差,此滑坡將來的滑動剪出口將在開挖坡腳附近產生。
  19. From the experiments, the number and width of fracture are obviously decreased, and pasting cfrp laminates play important role in improving rc construction durability ; with anchoring, premature is prevented and the ultimate shear capacity is increased ; taking properly anchoring measure, the ultimate shear capacity of rc t - section beams of initial loads is higher than that of no initial loads ; under non - anchoring case, because the rehabilitation of rc t - section beams with cfrp laminates are destroyed suddenly, the reinforcement effect maybe decrease

    試驗結果表明,粘貼碳纖維布顯著減小了鋼筋混凝土t梁的裂數量和寬度,抑制了裂的開展,對提高普鋼筋混凝土構件耐久性有重要作用;採用適當的錨固措施可以有效防止構件發生早期,提高構件的極限抗剪能力;對于有錨固的粘貼方式,有預加載的t梁抗剪極限承載力明顯高於無預加載的t梁。試驗還表明,在無錨固的情況下,用碳纖維布作抗剪加固后的t梁較突然,有可能使梁的加固效果出現負效應。
  20. Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.

    過此次試驗重點研究重慶大劇院縱向框架細長柱的形態(是強度還是失穩)和極限承載能力,同時研究構件的變形、裂、應力應變隨加載的發展變化規律及其過程,為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。
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