tensile loading 中文意思是什麼

tensile loading 解釋
拉伸負荷
  • tensile : adj 張力[拉力]的;抗張的;能伸長的。 tensile force 【物理學】張力。 tensile strain 【物理學】張應...
  • loading : n. 1. 裝貨。2. 裝載量;重量;載荷;(船隻等的)貨載。 3. 填充物,填料。4. 額外人壽保險。
  1. Abstract : the monitoring of tieback prestress and its existing problems are discussed for foundation pit protection at dongfang square, beijing, and the problems in the tensile, such as the loss of prestress, bias in loading, are explained

    文摘:對北京東方廣場基坑支護中錨桿預應力的監測及其所出現的問題進行了分析,說明張拉過程中所存在的問題(預應力損失、偏心荷載等) 。
  2. Test results show that the steel fiber in concrete have more effectiveness on improving the splitting tensile strength and the flexural strength in the early age than after its hardening ; the flexural modulus of elasticity of sfrc are higher than the plain concrete at different ages while their compressive modulus of elasticity are almost the same. it ' s also shown that, similar to the plain concrete, the early - age loading decreases the strengths of sfrc, but, with the increase of the contents of the steel fiber things are getting better, especially for the splitting tensile strength and the flexural strength

    試驗結果表明:與性能穩定之後相比,在混凝土中摻入鋼纖維對它的早期劈裂抗拉強度和抗折強度有尤為顯著的提高作用;對各齡期的受壓彈性模量影響不大,而對提高抗折彈性模量有一定的效果;與素混凝土試件相同,在早期(強度達到28天強度的85前)對鋼纖維混凝土試件施加荷載會對它的各種強度產生一定的不利影響,但是摻入鋼纖維可以減輕這種不利影響,尤其對劈裂抗拉強度和抗折強度作用突出,並且含纖率越高,效果越明顯。
  3. An analytical model was developed using the first - order laminated anisotropic plate theory to determine the stress and strain distributions within frp and steel pipe joint under combined torsional and tensile loading. taking advantage of the axisym metric nature of torsional and tensile loads about the pipe centralaxis, the equilibrium equations for the three - components joint system consisting of coupling, adhesive and pipe were setup based on the displace mentrelation

    通過對各種膠接接頭形式的分析,針對玻璃鋼管與鋼管及鋼管件在實際應用中的具體情況,選擇應用內、外增強型對接接頭進行玻璃鋼管與鋼管(件)的膠接連接,並建立了一種玻璃鋼管與鋼管(件)膠接管接頭在拉伸和扭轉載荷作用下膠層內應力分析模型。
  4. Compared with pure pmma, the thermal and mechanical properties of the nanocomposites are obviously improved at a very small amount of mmt ( ommt ) loading. the tgs of the composites via different methods are improved by 10 ~ 26 ?, the decomposition temperatures at weight loss of 5wt % are increased by 42 ~ 99 ?. in the bulk system, tensile strength, tensile modulus and impact strength are improved by 32. 2 %, 60. 3 % and 68. 6 %, respectively, without the loss of light transmittance

    相對于純pmma體系,懸浮法、乳液法及本體法復合材料的t _ g值提高了10 26 ;后兩種復合材料熱失重5wt的溫度提高了42 99 ;而本體法復合材料的拉伸強度、拉伸模量及沖擊強度值最大分別提高了32 . 2 、 60 . 3和68 . 6 ,而透光性能基本未受影響。
  5. Damage and fracture behavior of self - reinforced polyethylene ( pe ) composite under monotonic tensile loading were investigated by acoustic emission ( ae ) technique

    摘要用聲發射( ae )技術研究了聚乙烯自增強復合材料的拉伸損傷與斷裂行為。
  6. Modification factors were given according to the relationship between elastic modulus reduction and tensile stress. the empirical elementarily formulas of damage evolution in tensile loading were given quantitatively, and verified by experiments

    通過彈性模量衰減與應力變化的關系,確定了二維編織、三維編織c sic復合材料拉伸損傷的修正系數,初步定量給出了該材料拉伸損傷演化方程的經驗公式並通過實驗驗證。
  7. The principal conclusions include : ( a ) the composite system is composed of both active - bearing structural members and inactive - bearing ones, being of a character of combination of rigid retaining structures with flexible ones, so its working mechanism will be behaved as sharing loadings, waterproof and impermeability, loading transfer, local reinforcement and pre - reinforcement ; ( b ) the experimental results show that much more subsoil will participate in retaining action, soil stresses of internal slope will be shared uniformly and deflections caused by excavation will be reduced notably because of cooperation of nails and cement - soil mixing pile wall ; and ( c ) the internal forces of facing in vertical model will be a control factor of design and the cross section tensile strength of cement - soil wall will govern strength of the

    主要研究結論有: ( 1 )復合土釘支護的作用機理主要為臨時加固土體以保證局部穩定、有機聯系以共同承擔荷載、改善土體性質起到止水抗滲作用。 ( 2 )試驗結果表明:復合土釘支護能夠充分調動周圍土體共同作用,有效地控制基坑變形;復合土釘支護中止水帷幕的插入深度和強度對控制邊坡變形與失穩有較大作用;復合土釘支護效果明顯優於一般的土釘支護。 ( 3 )面層與邊坡土體共同變形,設計時可按外力作用下的彈性地基梁進行計算。
  8. The combination of lateral stress and maximum vertical strain denotes the loading history and the reduction of tensile strength and compressive strength denotes the damage of concrete. this work is the theoretical foundation of study on the damage, of concrete due to loading history

    分別用經歷過荷載歷史后混凝土試件的抗壓和抗拉強度的劣化來定義其抗壓和抗拉損傷,為下文深入研究損傷隨荷載歷史的發展演化規律奠定了扎實的理論基礎。
  9. Fotp - 33 - optical fiber cable tensile loading and bending

    Fotp - 33 .光纜拉伸荷載和彎曲
  10. Tensile loading experiments of 0. 20 % c and 0. 45 % c ( all mass fraction ) steel were conducted in the experiments. the mfl distributions of specimens under uniaxial tension loading condition and after removal of applied uniaxial tension at different loadings were tested by the weak magnetic measurement system

    試驗以20 ~ #鋼和45 ~ #鋼為研究對象,分別進行了含典型缺陷試件拉伸時表面泄漏磁場的在線測量和經過不同程度拉伸並卸載后表面泄漏磁場的測量。
  11. Structural fixings in concrete and masonry - method of test for tensile loading

    混凝土和磚石工程結構附件.第1部分:抗拉負荷試驗方法
  12. The proposed model - beam - particle model is validated to simulate some routine tests of concrete which including uniaxial compressive test and uniaxial tensile test to prove that the numerical model can effectively to describe the complete failure process caused by the initiation, propagation and coalescence of cracks. the influence of the meso - mechanical properties to the macroscopic failure behavior is discussed in this paper. the proposed model is employed to simulate the dynamic failure process of concrete under impact loading, and analyse the failure behavior of concrete with different impacting velocity

    本文建立了混凝土的梁-顆粒數值模型,並利用該模型進行了混凝土在單軸壓縮和拉伸載荷作用下,混凝土從微裂紋的萌生、擴展、貫通直到宏觀裂紋產生導致破壞的全過程的數值模擬,探討了混凝土材料細觀結構對其宏觀力學行為的影響;利用該數值模型,模擬了鋼彈以一定的初始速率垂直侵徹混凝土圓板的動態過程,對計算結果進行了動畫顯示,並分析了不同鋼彈初始速率對混凝土圓板破壞形式的影響。
  13. Practice for verification of specimen alignment under tensile loading

    在拉伸負荷下驗證樣品準直性慣例
  14. Adhesives - wood - to - wood adhesive bonds - determination of shear strength by tensile loading

    粘合劑.木材與木材粘結體.用拉伸負荷測定剪切強度
  15. Secondly, considering the complexity of the analysis of inclined - loading pile, nonlinear finite element method is adopted to calculate the internal force and displacement of pile group under inclined loads, with the concept of equivalent width presented to simplify 3d problems into 2d problems. and a program is developed as well, which is able to consider the continuity, elastic - plasticity and layered characteristic of soil around the pile shaft. besides, the interactions among pile, base slab and soil are considered in this program and contact surface element is used to simulate slipping and crazing between pile and soil, or between base slab and soil under loads. then, the non - tension analysis is proposed, to reflect the low - tensile property of soil and concrete

    在此基礎上,針對傾斜荷載下群樁基礎分析中的復雜性,提出採用非線性有限元對傾斜荷載下群樁的內力及位移進行分析,應用樁的等效寬度概念將空間問題簡化為平面問題考慮,並開發出能考慮樁周土介質連續性、彈塑性、分層性等因素的傾斜荷載下群樁內力及位移分析的計算機程序,並在程序中考慮了樁、土、承臺的相互作用,提出了採用接觸面單元來考慮荷載作用下樁與土體及承臺與土體間的滑移、開裂;並在此基礎上,提出了傾斜荷載下群樁基礎的「無拉力」分析方法,可有效地反映土體及混凝土材料的低抗拉特性。
  16. The paper investigates deeply the loading effect and a variety of dynamic testing technique, suggests the reasonable design - size of the flattened brazilian disc ( fbd ) based on the successful experience in static loading. connecting with strain - gage method, a quick loading test is applied on the fbd on the material testing machine. the experiment obtains the elastic modulus and tensile strength of marble, the results show marble ' s properties be effected by loading, contracting which in static loading

    在靜態實驗成功的基礎上,提出了平臺巴西圓盤試樣( flattenedbraziliandisc ? fbd )較為合理的設計尺寸,並結合應變片技術,利用材料伺服實驗機對大理巖平臺巴西圓盤試樣進行了快速加載實驗,測得了大理巖在快速加載( 10 ~ 2mpa s )下的抗拉強度和彈性模量,並與靜態結果做了比較。
  17. All concrete structures are exposed to volume changes caused by hydration reactions in the early age. if the volume changes are restrained, stresses is generated which will cause cracking when it overcomes the tensile strength. as the mechanical properties of early age concrete vary with time, especially the creep degree depends on the time elapsed and the time at loading, to calculate the stress of concrete structure is a complex nonlinear problem. the finite element method ( fem ) can take account of the evolution of the stiffness properties, the development of thermal strain, creep, shrinkage and so on. in this paper, a general approach for numerically simulating this type of behaviour is presented firstly. then, how to solve this problem is introduced by the general finite element software ansys using the initial stress method. finally, a detailed description of an example calculation that demonstrates the potential of the numerical simulation strategy follows

    早期混凝土由於水化反應都會產生體積變化.如果體積變形受到約束就會產生應力,一旦超過混凝土的抗拉強度就會產生裂縫.由於早期混凝土的力學性能是隨時間變化的,特別是徐變,它不僅與加載時間有關而且同時隨齡期而變化,因此計算早期混凝土結構應力是較為復雜的問題.有限單元法不僅可以考慮混凝土剛度的變化,而且可以考慮溫度、徐變、收縮等因素.本文利用初應力法對通用有限元軟體ansys進行了二次開發,通過工程實例計算了高層建築地下室側墻早期混凝土應力的變化過程,並提出了相應的抗裂措施
  18. Jointing products. glazing materials and compounds for sealing. plastic - oil based sealants. determination of adhesion - cohesion properties under tensile loading

    接縫用品.密封用釉料和化合物.粘滯油基密封劑.在張力負荷條件下粘著特性的測定
  19. There are the two limitations for both of the cable method and beam method : ( 1 ) it can only analyze the response of pipeline under tensile loading ( < 90 )

    現有的理論分析方法和梁模型有限元方法都難以分析管截面發生大變形的情況,例如屈曲變形。
  20. The experimental results show that the strain rate effect of pur foam plastics is not obvious, but its temperature effect is quite obvious under tensile loading

    實驗結果表明:高密度硬質聚氨酯泡沫塑料在拉伸加載下應變率效應不太明顯,但溫度效應卻十分明顯。
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