裂縫載荷 的英文怎麼說

中文拼音 [lièféngzǎi]
裂縫載荷 英文
cracking load
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. During the previous analysis of asphalt pavement structure with cracks, the stress intensity factors were usually calculated approximatively using plane strain model for some limitation. however, the assumptive load of this model is not coincident to the practical load

    在以往分析含的瀝青路面結構時,由於條件的限制,通常是假設瀝青路面結構近似為一平面應變模型,但是這種模型所假設的與實際作用的有較大的區別。
  2. 5. specimens have normal section crack and truncated section crack

    5 、循環作用下,試件出現了正截面和斜截面
  3. Traffic load and temperature load are two main factors accounting for its formation and propagation

    交通和溫度是導致反射形成和擴展的主要因素。
  4. This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code

    本文對非,特別是溫度?收縮進行了調查研究,並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了收縮應力分析,發現國內外有關文獻給出的收縮計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響,計算出的混凝土收縮量往往偏小;另外, 《規范》中針對溫度?收縮的構造措施不足。
  5. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    )的全過程關系曲線。其次基於上面的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析,分析了加固梁的-撓度關系、材料的應力情況、的分佈情況等。最後提出了承力計算公式和正常使用狀態下撓度計算公式。
  6. According to the recorded full process fracture curve, the paper calculated and compared the fracture toughness ( kic ), the fracture energy ( gf ) and crack tip opening displacement ( ctod ) of the different strength grade boulder concrete and crushed stone concrete, it is found that the maximal load ( fmax ) and the fracture toughness ( kic ) of boulder concrete and crushed stone concrete increase when the strength of them increases, so does the fracture energy of boulder concrete, but the fracture energy of crushed stone concrete does n ' t obviously increase when it ' s strength increases. the crack tip opening displacement ( ctod ) of all specimens chang less when the strength of concrete increases, so it is concluded that the location of the axle in the ligament of the specimens is relatively stable

    根據記錄的全曲線,計算了不同強度等級的卵石混凝土、碎石混凝土的斷韌度k _ ( ic ) 、斷能g _ f以及的尖端開口位移ctod ,比較了不同強度等級卵石混凝土及碎石混凝土的斷韌度k _ ( ic ) 、斷能g _ f以及的尖端開口位移ctod的關系,發現卵石混凝土、碎石混凝土的峰值fmax 、斷韌度k _ ( ic )隨強度增加而增加,卵石混凝土的斷能g _ f隨強度增加而呈增加趨勢,碎石混凝土的斷能g _ f隨強度增加變化趨勢平直,增勢不明顯。
  7. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構斷有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外作用下損傷及宏觀的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。
  8. Its hysteretic curve is plumper, its ductility coefficient and energy dissipation capacity have been improved remarkably. the inclined staff of the steel bar truss has a restraining faction to the development of the crack, and the phenomena is that there has more crak and larger distributing area on the shear wall, which is an important token of the improved seismic capacity. concealed steel bar truss has the faction of increasing the height of plastic hinge area, which is another important token of

    研究結果表明:內藏鋼桁架高剪力墻與普通高剪力墻相比:屈服和極限均比顯著提高;屈服剛度明顯提高;其滯回環相對飽滿,延性系數及耗能能力顯著提高;內藏鋼桁架高剪力墻,其鋼桁架斜桿對發展有控製作用,現象是墻體上的較多、分佈域較廣,這是抗震耗能能力增強的重要表徵;內藏鋼桁架高剪力墻有增大底部塑性耗能區域的作用,這是抗震耗能能力增強的另一重要表徵;內藏鋼桁架還有顯著提高抵抗剪力墻基地剪切滑移能力的作用。
  9. Products function : put our “ sun shine ” brand carbon steel fiber evenly seep into concrete to form steel fiber reinforced concrete and it can decrease the thickness of reinforced concrete by half, it not only shorten the project time, save the material and manpower expense, bring distinct economic benefit, but also increase the performance of crack resistance, percussion resistance, tensile strength, bend resistance. scosspr resostamce amd wear resistance of the reinforced base materials. if the weight ratio of 2 % steel fiber seep into the concrete, it can solve the brittleness problem of the concrete, in the condition of 60 % ralative air humidity, after 21days air - dry, even 520 days air - dry, it ' s difficult to find any crack by eyesight, the bend resistance for the steel fiber concrete is 140 times stronger than the concrete without steel fiber, the capability of impact resistance increase 10 times

    產品功能:將本公司「雙興」牌碳鋼纖維系列產品均勻地摻入混凝土中,形成鋼纖維增強混凝土,可使工程中鋼筋混凝土的施工厚度降低一半,不僅縮短了施工工期,節省了材料和人工費用,帶來顯著的經濟效益,且增強了基體的抗、抗沖擊、抗彎、抗剪、耐磨擦等性能,如摻入本公司2 %鋼纖維的混凝土,不僅解決了混凝土的脆性問題,在空氣相對濕度60 %的條件下風干21天後,甚至在風干520天,肉眼很難發現,摻入鋼纖維后的增強混凝土比不摻鋼纖維的混凝土抗彎強度提高140倍,耐沖擊提高10倍。
  10. Cracks may initiate in compression, and certainly in tension.

    可能在壓縮下形成,當然也可能在拉伸下形成。
  11. 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、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、的發展與分佈以及極限
  12. The pavement panel, under load and with already existing initial cracking & inherent damaged conditions as well as its cracks & damage, further accumulates and expanses, which lays a foundation for the fissures & breakage ; the surface layer - as the uneven pavement brings about interaction between spring plates which results in impact on the vehicle load, is the main reason speeding up the fissures in the pavement panel

    作用下,使得已經存在初始紋和固有損傷條件的路面板,其和損傷進一步累積和拓展,為路面的斷破壞奠定了基礎;表面層? ?由於路面表面的不平整而引起的車板相互作用帶來車輛運動的沖擊,是加速路面板斷的主要原因。
  13. 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

    通過對路面板底界面開、路面板中積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞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和破壞過程可以分為三個階段,即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期的形成階段、使用期間作用對路面造成的開損傷累計、加劇和擴展階段以及路面斷破壞階段。
  14. Virtually, it is a process that the ac material gradually deteriorates and forms cracks under the traffic loads

    其實質是瀝青結構層在交通循環作用下內部逐漸出現損傷劣化形成宏觀的過程。
  15. 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:通過兩榀節點在低周反復作用下的試驗,分析其破壞形態、耗能能力、延性性能和節點核芯區開展情況,評估節點的抗震性能和抗能力,推導出預壓裝配式框架節點的抗驗算公式;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。
  16. 3. the mid - span deflection of slight corrosion specimens is smaller than that of non - corrosion specimens on the static loads and the fatigue loads ; the maximum crack width of slight corrosion specimens is larger than that of non - corrosion specimens ; fatigue life of slight corrosion specimens is shorter than that of non - corrosion specimens ; the corrosion of re - bars is a sensitive factor to fatigue life

    ( 3 )輕微銹蝕試件梁的跨中撓度在靜和循環下比未銹蝕梁小;輕微銹蝕試件梁的最大寬度比未銹蝕試件梁的最大寬度大;輕微銹蝕試件梁的疲勞壽命比未銹蝕試件梁的疲勞壽命降低,鋼筋銹蝕是疲勞壽命的敏感因素。
  17. This thesis set forth its position on cast - in - place r. c. slab ' s cracks while pointing out the important meaning on research slab ' s non - loaded cracks

    本文對現澆混凝土樓板進行一些闡述,指出了樓板非研究的重要意義。
  18. At the same time in this paper we analyze nonlinear behavior of masonry through finite element method program and obtain its load when the wall start to crack and when it destroy, the p - u curve and so on. a comparison has been made between the data obtained from the experiment and the calculated through finite element method program so that we can study the cause of crack. in this paper we use finite element method to study concrete ' s character to analyze masonry, satisfactory results have been attained

    因此本文在對灰砂磚砌體進行力學性能試驗的基礎上,分析其產生的破壞模式與開機理,並論述了將斷力學知識運用於研究砌體問題的可行性;同時,本文運用有限元方法對結構低周反復加靜力試驗所做的灰砂磚墻片進行非線性分析計算,得出墻片的開、極限、 p ? u曲線,在墻體上的分佈等,與試驗所得數據對比,以便於研究的開機理,並將研究混凝土的有限元方法運用到對砌體的研究中,取得了較滿意的結果,為類似的試驗分析提供了一條新的思路。
  19. The influence of stress ratio on maximum crack width of specimens is obvious, and the larger the stress ratio is, the longer the fatigue life is, it can influence the mechanical property of specimens directly

    應力比對試件梁的最大寬度影響顯著,應力比越大,疲勞壽命越長,直接影響試件梁在疲勞作用下的性能。
  20. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的靜下開、疲勞破壞特徵、疲勞壽命、疲勞作用下的跨中撓度、截面疲勞抗彎剛度、開展情況及最大寬度、鋼筋及混凝土在循環作用下應變等內容進行了研究,分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
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