塑性開裂 的英文怎麼說

中文拼音 [xìngkāiliè]
塑性開裂 英文
plastic cracking
  • : 動詞(塑造) model; mould
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  1. It is one of mechanisms of plastic distortion, at the same time it is also the beginning of microcosmic damage and rupture before the macroscopical destroying of materials, it representatives a mid - state between materials " macroscopical rupture and bend, it is considered a premonitor that the rupture of polymer material

    它是材料變形的機制之一,同時又是材料宏觀破壞以前微觀上損傷、破壞的始,它代表材料微觀斷和屈服之間的一個中間狀態,可以看作是聚合物材料宏觀斷的先兆。
  2. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前,解決混凝土的方法是綜合的,我們調查研究了混凝土的原因,發研製了高能抗外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗強度,滿足混凝土拌和物高工作能的要求。本研究採用多種測試技術,應用表面物理化學、結構化學、固體化學、復合材料學、斷力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土、滲漏問題,發現混凝土在非荷載作用下主要是由混凝土的自收縮、乾燥收縮、溫度收縮、收縮、碳化收縮等各種收縮變形引起的。
  3. Some manufacturers use fiber reinforcement to control plastic shrinkage and thermal cracking

    一些生產商使用纖維增強來控制收縮和熱脹
  4. In the paper the effects of the made parameters, the main materials and environmental conditions on plastic shrinkage cracking were investigated. it can be concluded as following : 1 ) there was a critical w / c ratio of maximum plastic shrinkage cracking between lower and higher w / c ratio of concrete mixtures made with the same cement content per cubic meter, concretes with lower or higher w / c ratio being less prone to plastic shrinkage cracking and the w / c critical ratio critical of maximum plastic shrinkage cracking being about 0. 5

    本文研究了配製參數、主要原材料以及環境條件對新拌混凝土收縮縫的影響,結果表明: 1 )單方混凝土水泥用量一定時,較低水灰比和較高水灰比對應的混凝土拌合物不易,而中間某一臨界水灰比對應的混凝土拌合物較嚴重,這一臨界水灰比為0 . 5 ;單方混凝土水用量或水泥漿量一定時,混凝土拌合物的塑性開裂趨勢與上述情況相似,但臨界水灰比分別為0 . 45 - 0 . 4和0 . 4 。
  5. Plastic hollow containner series products adopt high rigidity, anti - transmutation, anti - abrasion, anti - rupture, high - molecule and high density polyethylene as materials. though changing quality, pigmentation and using the international advanced equipments and moulds, puffing plastic hollowly to make up the shape. out products have the quality of high intensity, anti - acid alkali and anti - aging, and have been widely utilized in food, medicine, chemical, petroleum, pesticides and other industries for the external packaging

    料中空容器系列產品採用剛大耐蠕變抗磨損及耐環境應力等優點的高分子量高密度聚乙烯作為原料,通過改著色使用國際先進設備和模具,中空吹成型。
  6. The tight plastic - lining technology is to adhere plastic powder inside steel pipe smoothly with method of metallurgical powder. comparing to common plastic - lining, tight plastic - lining with good intensity, has avoided the trouble of dropping and cracking. specially, the tight nylon - lining pipe can be used carrying particulate medium matter and solidpowder with excellent wearability

    緊襯工藝採用粉末冶金法將料粉末均勻地附著在鋼管內表面,融熔流平、緊密地和鋼管本體結合在一起,與普通襯相比,料與鋼管的結合強度好,避免了普通襯管與鋼材基體結合力差容易脫落、的毛病,特別是緊襯尼龍管道,具有優異的耐磨,可輸送各類含固體顆粒介質、及粉體。
  7. This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form

    通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱的影響,對試驗鋼進行脆預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避谷底溫度750 ,二冷區的冷速盡量避臨界冷卻速率8 / s ,從而可以減少該低碳鋼連鑄坯表面紋和橫向紋,提高其成材率。
  8. The borderline w / b ratio for fly ash and silica fume concrete is about 0. 36 and 0. 4, respectively. 5 ) polypropylene fiber can make them quite effective in the suppression and stabilization of microcracks in fresh concrete matrix

    7 )在室外太陽輻射、 8m / s風速條件下,新拌混凝土的塑性開裂與水灰比有關,水灰比界限約為0 . 4 。
  9. A 1 / 7 - scale model of three - bay, three - span frame - bent r. c. structure is the first and the largest size in the same testing field in china by now. following studies are chiefly conducted in this chapter : the mechanism behavior of the structure under horizontal earthquake load, including the characteristics of seismic force, the deformed performance, yielding sequence, energy dissipation capacity etc. ; the changing rule of the dynamic characteristics and the stiff degrading in different experimental stages ; the location of the weak stories and the seismic capacity of the structure

    在試驗中主要研究了以下內容:在水平力作用下框排架結構的整體變形能力以及各層的層間變形的大小;框排架結構在不同階段的動力變化規律;框排架柱的變形和承載能力;錯層對結構能的影響、模型結構展過程及鉸形成的先後順序、不同階段該結構的剛度退化規律及滯回耗能特等。
  10. Rubber vulcanized of thermoplastic. resistance to ozone cracking. reference and alternative methods for determining ozone concentration in laboratory test chambers

    硫化橡膠.抗臭氧.試驗室試驗間中臭氧濃度測定用基準法和選擇法
  11. From the experiments, we can see the affect of concrete performances mixing with liter polypropylene fiber and glass fiber is minor. compare with common concrete, the crack - load of concrete slab mixing with liter polypropylene fiber and glass fiber is marked improved. mixing with liter polypropylene fiber and glass fiber, the behavior of cracks - resisting of is marked improved, and the cracks are controlled and smeller

    研究表明,在混凝土中摻入低摻量的聚丙烯纖維或玻璃纖維對抗壓強度及抗拉強度的影響較小;纖維混凝土板比普通混凝土板的荷載有較為顯著的提高;加入低摻量的聚丙烯纖維后,混凝土板的抗塑性開裂能有顯著提高,可以抑制、細化縫。
  12. 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,提出採用非線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,並發出能考慮樁周土介質連續、彈、分層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、;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
  13. Therefore, the technology combining steel fiber with expensive agent is appropriate to the plastic shrinkage and cracking of concretes

    因此,採用膨脹劑與鋼纖維的復合技術是防止混凝土發生收縮的比較理想的技術措施。
  14. The judge criterion of plastic shrinkage cracking for cement based material was studied through the testing of plastic tensile strength and plastic shrinkage capillary stress of cement mortar and concrete

    摘要採用自行設計的抗拉強度、收縮應力測定裝置測試了水泥砂漿、混凝土抗拉強度和收縮應力。
  15. With a slab test of restricted shrinkage, the effect of polypropylene fiber, steel fiber and expansive agent on early - age plastic shrinkage and cracking of concretes with high content mineral admixtures is investigated

    摘要採用平板限制收縮試驗法,研究了聚丙烯纖維、鋼纖維與膨脹劑及其復合技術對大摻量礦物摻合料混凝土早期收縮的影響。
  16. The results shows that the combined use of fibers and expansions was superior to the use of fibers or expansion agents alone in reducing the amounts of plastic shrinkage cracks and diminishing the size of cracks, and it improved the resistance to plastic shrinkage crack extremely

    文章研究了聚丙烯纖維和膨脹劑復合對砂漿收縮縫的影響,結果顯示,纖維與膨脹劑復合,在減少收縮縫數量和細化縫兩個方面均優于纖維或膨脹劑的單獨作用,砂漿抵抗收縮能力顯著提高。
  17. 2 ) to a certainty of sand percentage, concretes with moderate critical sand percentage which changed in about 36 % - 43 % were more sensitive to plastic shrinkage cracking than concretes with lower or higher sand percentage. 3 ) concrete made with lower strength grading cement was more prone to plastic shrinkage cracking than that of concrete made with higher strength grading cement

    4 )粉煤灰和硅灰對混凝土收縮縫的影響與拌合物的實際水膠比有關,存在一個水膠比界限,在此界限之上,摻入粉煤灰或硅灰的混凝土較易,在此界限之下,粉煤灰或硅灰高能混凝土對收縮縫具有抑制作用。
  18. In this paper, based on simulation modeling laws of geometry, constitutive relations, stress conditions and construction, a simulative calculation model has been proposed by considering the mechanical problems during the underground tunnel ' s construction and adopting constitutive models of enveloping type which can consider elasto - plastic materials and their cracking. the model can describe rock multi - media characteristic consider the interrelation of shoring structure and stratum reflect some influencing factors, for example : faultage interlayer joints, construction process and so on

    本文結合地下隧洞工程施工過程中的力學問題,基於幾何、本構、應力狀態和施工過程等四方面模擬建模的原則,採用可以考慮材料彈的包絡型本構模型,建立能描述巖體多介質的特點和能考慮隧洞支護結構與地層的相互作用,同時能反映斷層、夾層、節理隙以及施工全過程等影響的巖體結構模擬計算模型。
  19. In this paper, based on simulation modeling laws of geometry, constitutive relations, stress conditions and construction, a simulative calculation model has been proposed by considering the mechanical problems during the underground chamber construction and adopting constitutive models of enveloping type which can consider elasto - plastic materials and their cracking. the model can describe rock multi - media characteristic consider the interrelation of shoring structure and stratum reflect some influencing factors, for example : faultage interlayer joints, construction process and so on

    本文結合地下洞室工程施工過程中的力學問題,基於幾何、本構、應力狀態和施工過程等四方面模擬建模的原則,採用可以考慮材料彈的包絡型本構模型,建立能描述巖體多介質的特點和能考慮隧洞支護結構與地層的相互作用,同時能反映斷層、夾層、節理隙以及施工全過程等影響的巖體結構模擬計算模型。
  20. The thesis analyzes the inner cracking reason for the hot rolled sheet based on texture orientation transformation, simulates the forming process of drawing sheet by the barlat - lian anisotropic yield criteria, and discusses the cracking mechanism in the deforming and stress distribution

    本文由該材料的微觀織構取向變化分析造成板的內在原因,根據能夠準確描述各向異的材料模型,模擬了沖壓板圓件成型過程,由其變形分佈和應力分佈探討機理。
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