銹蝕度 的英文怎麼說

中文拼音 [shídù]
銹蝕度 英文
degree of rusting
  • 銹 : Ⅰ名詞1. （金屬表面的氧化物） rust 2. （銹病） rustⅡ動詞（生銹） become rusty
  • 蝕 : Ⅰ動詞1. （損失; 虧耗） lose 2. （腐蝕） erode; corrode Ⅱ名詞（天體現象） eclipse
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared

    通過對混凝土梁的干濕循環試驗，研究了在混凝土梁中的鋼筋初始銹蝕情況，以及不同寬度的裂縫對于鋼筋初始銹蝕的影響。通過對足尺銹蝕混凝土梁的試驗，研究了混凝土梁在海洋環境侵蝕作用下的材料性能的變化和抗彎承載能力的變化。
  2. The section loss of steel bars and degradation of bond intensity were taken into consideration in this study in order to establish the finite element model of corroded reinforced concrete beam through simulating the bond slip behavior between steel bar and reinforced concrete based on nonlinear spring element

    摘要在考慮銹蝕引起的鋼筋橫截面損失和粘結強度下降的前提下，利用非線性彈簧單元模擬銹蝕鋼筋與混凝土之間的粘結滑移性能，建立了銹蝕鋼筋混凝土梁的有限元分析模型。
  3. The results show that the damages to the appearance of concrete structures exposed to atmosphere, including honeycombing, cracking along rebar, rebar corrosion, and concrete delamination, are quite serious, that the poor quality of concrete construction, the insufficient thickness of local concrete cover, and the rebar corrosion expansion and dilatancy induced by carbonization of concrete cover are the main causes, and that the main form of damages to the overflow structure is the abrasion resulted from water scouring

    結果表明，水閘的水上（大氣中）混凝土結構外觀破損十分明顯，露石露砂、順筋裂縫、鋼筋銹蝕、混凝土破損剝落等已十分嚴重；引起破壞的主要原因是混凝土施工質量較差，局部保護層厚度不足，混凝土保護層碳化引起鋼筋銹蝕脹裂，而水流沖刷磨蝕是水閘過流結構破壞的主要形式。
  4. The reliability analysis procedure for corroded r. c

    採用實用分析法，提出銹蝕鋼筋混凝土結構可靠度分析方法。
  5. Rust preventive oils and greases. evaluation of rusting grade

    防銹油脂試驗試片銹蝕度試驗法
  6. 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載和循環荷載下比未銹蝕梁小;輕微銹蝕試件梁的最大裂縫寬度比未銹蝕試件梁的最大裂縫寬度大;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。
  7. According to the geometrical characteristics of the surface on the deformed bars, considering the interfacial properties of the corrosion reinforcement and concrete, such as the microscopic mechanics model of corroded reinforcement ribs, the deterioration of ribs on the bearing surface of the deformed bars after corrosion and the effect of corrosion products of corrosion reinforced bar on the bond strength, and analyzing the distribution and interaction of the forces on the surface of the corrosion reinforcement and concrete, the calculation expressions of the bond strength between corroded deformed bars and concrete with and without transverse steel are established

    從變形鋼筋的表面幾何特徵出發，考慮了鋼筋銹蝕后鋼筋與混凝土接觸面的特徵，例如鋼筋橫肋在銹蝕狀態下的細觀力學模型，鋼筋銹蝕后鋼筋橫肋高度的變化和銹蝕產物的生成對粘結力的影響。通過分析接觸面上各種力的分佈形式及相互關系，建立了有橫向鋼筋和無橫向鋼筋約束作用下，鋼筋與混凝土之間粘結力的計算表達式，且與相關文獻的結果進行了比較。
  8. Reasons : firstly, sectional dimension is so little that torsional stiffness of single - beam is n ' t enough. secondly, protective layer thickness is too thin to protect concrete reinforced bar and reduce durability. lastly, each main beam is joined by cross girder and the more rigid of cross girder the more entirety of bridge

    橋梁局部損壞較嚴重，主要原因是主梁截面尺寸過小、肋板過于薄弱，造成單梁抗扭剛度不足；保護層厚度不夠導致鋼筋外露引起銹蝕，降低了橋梁的耐久性；各主梁採用橫隔梁連接成整體，橫隔梁的剛度越大，橋梁的整體性越好，但調查結果顯示，實際情況中並不能達到理想的整體剛度。
  9. The liquid - gas method is improved based on the above methods, overcoming the defects of gbj82 - 85. using the liquid - gas method, permeability condition of concrete can be tested and indicated quickly, efficiently, and the influences on concrete of alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw can be inflected indirectly. it is significant on the research and monitor on the durability of concrete

    溶液氣壓法是在上述方法之上進行改進提高的，克服了國標gbj82 - 85方法中的許多不足之處，能夠多角度、快速、高效、真實、準確地再現現場混凝土的滲透情況，並且能間接反映堿-骨料反應、鋼筋銹蝕、碳化、硫酸鹽侵蝕及凍融破壞的影響，對混凝土耐久性的監測與研究具有重要意義。
  10. We find that the cast - iron pipe is only mildly corrosive and the indoor pipeline is just rust - eaten, but the seamless steel pipe corrodes badly

    結果表明：主幹線灰口鑄鐵管整體狀況良好，只有局部輕度腐蝕；庭院無縫鋼管腐蝕較嚴重；戶內管道大多存在不同程度的銹蝕。
  11. ( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented

    氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 （ 4 ）建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。
  12. Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up

    從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； （ 4 ）通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
  13. Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion

    討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。
  14. In this thesis, based on the theories of corrosion expansion force and the elasticity, by adopting the theory of reinforced concrete structures, the durability problems of reinforcing concrete structures considering the corrosion of reinforcing bar are studied systematically, such as the change of steel mechanical properties, the bond strength between corroded reinforcement and concrete, the shear carrying capacity and the flexural carrying capacity of the corroded reinforced concrete ( rc ) structural elements

    本論文以鋼筋混凝土構件為研究對象，基於銹脹力研究理論和彈性力學，採用鋼筋混凝土結構基本原理，系統地研究了鋼筋銹蝕后鋼筋混凝土結構的耐久性問題，例如鋼筋的力學性能，銹蝕鋼筋與混凝土之間的粘結強度，剪切強度，抗彎強度等。
  15. There is connection between the corrosion expansion force and the corrosion rate of rebars, the corrosion of rebars and its propagation process can be known by monitoring the change of resistance of cfrc, and corrosion of rebars can also be monitored on real time, on line and undamaged with compression sensitivity of cfrc

    鋼筋銹脹力與鋼筋的銹蝕率有一定的關系，監測cfrc的電阻變化就可以定量地了解鋼筋銹蝕的發展，利用cfrc的壓敏性實時地、在線地、無損地監測鋼筋的銹蝕情況。該方法靈敏度高，是行之有效的。
  16. Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members

    揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形，並對其進行了分形描述；提出以裂縫分形維數作為受腐蝕程度的有效衡量指標，首次實現了構件受腐蝕程度的定量描述；建立了裂縫分形維數與鋼筋銹蝕率、混凝土劣化系數、構件承載力之間的定量關系，並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的預測，取得了較好的預測效果。
  17. And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete

    本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象，採用濕通電法對鋼筋混凝土進行加速銹蝕，同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試，分析銹蝕參數的變化規律，並通過測定cl -擴散系數來評價其抗滲性。
  18. There is a lot of chloride in ocean environment which is a main reason of the steel corrosion, so we must predict thickness of chlorine ion in order to count the beginning corrosion time of the steel under sea environment

    在海洋環境中，含有大量的氯離子，而氯離子是引起鋼筋銹蝕的一個重要因素，因此預測在混凝土中氯離子的濃度是計算海洋環境中鋼筋初始銹蝕時間的前提。
  19. ( 6 ) according to the requirements of safety, serviceability and durability, a reliability - based optimum model of reinforced concrete beam with limited corrosion was presented. then genetic algorithm ( ga ) optimized the design parameters

    （ 6 ）對允許鋼筋少量銹蝕的混凝土梁構件，根據結構安全、適用、耐久三方面的要求，建立了基於可靠度的耐久性優化模型，並利用遺傳演算法對其進行優化計算。
  20. Based on the linear fatigue cumulating damnification theory, the calculation of fatigue cumulating damnification intensity was also modified with main bar corrosion rate, which is the most important factor for fatigue lifespan of reinforced concrete beams

    另外考慮到銹蝕率是影響疲勞壽命的最重要因素，基於線性累積疲勞損傷理論，建立了銹蝕鋼筋混凝土梁的疲勞累積損傷度修正公式。
分享友人
分享到 Line

分享到臉書