creep time 中文意思是什麼
creep time
解釋
蠕變時間-
The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。 -
The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete
摘要基於等效時間的混凝土絕熱溫升、熱傳導方程，考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響，計算了大體積混凝土墻中心的溫升。 -
The mechanical creep in photoelastic models is accompanied by a variation with time of the optical effects.
光彈性模型中的力學蠕變，伴隨著光學效應隨時間的變化。 -
At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage
同時運用高分子物理、含缺陷流變性物體的材料破壞理論等知識，對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線性粘彈性行為及其銀紋損傷現象進行了研究、分析與探討，通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論分析，以pmma試件的銀紋損傷面密度值為損傷變量，來嘗試尋求pmma銀紋損傷的一般規律，為研究pmma的細觀損傷提供了一種可行的損傷模型。 -
In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered
本論文在分析中，考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。 -
Thus the time - stress equivalence principle provides an accelerated characterization technique to evaluate the long - term creep properties of plastic geogrids
時間應力等效原理適用於對塑料土工格柵長期蠕變性能進行加速表徵。 -
First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given
首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。 -
Three dimensional braiding preform reinforced resin composite is a new type of advanced composites and used in aircraft and space, transportation, construction, military project, medical treatment and physical education etc. 3 - d braiding composites will subject to long - term tensile force during applied process, which is a long - time creep process
樹脂基三維編織復合材料是一種先進的復合材料，它已經應用於航空、航天、交通、建築、軍工、醫療、體育等領域。在應用過程中，三維編織復合材料會受到長期拉伸力的作用，這決定了它的使用過程是一個長期的過程，因此蠕變性能成為表徵其力學性能的一個非常重要的指標。 -
Short time creep strength
短時蠕變強度 -
In redundancy structure, the structure ' s distortion and strain will change along with time because of creep. according to the characteristic of concrete ' s creep, the creep grows quickly in the concrete " earlier age. for the long of bridge ' s construction period, the concrete ' s age of different part are discrepantly
在超靜定結構中，結構的變形和內力都會因徐變而隨時間不斷變化，對于實際的工程結構，結構的整體總是分階段建造起來的，某些荷載（如自重）也是在結構建造過程中分階段作用在不斷生長的結構上的。 -
The time is longer, the measurement of the springing quantum of the pc beams due to concrete creep is bigger
起拱度因受混凝土徐變的影響隨時問的增長而增大。 -
Based on the creep experimental curve, the creep deformation law of silty soft clay of the first marine layer and its constitutive relationship among stress - strain - time is studied in this paper
本文在蠕變試驗曲線的基礎上，研究了天津市第一海相層淤泥質粉質粘土的蠕變變形規律，得出應力、應變、時間三者之間的本構關系。 -
Standard test method for conducting time - to - failure creep - rupture tests of joints fabricated from nonbituminous organic roof membrane material
非瀝青質有機屋面薄膜材料接縫的蠕變斷裂時間標準試驗方法 -
In this thesis, the new structure of pre - stressed cantilever composite beam with corrugated steel webs on steel - concrete composite spine girder was brought forward for the first time, a series of experimental researches and theoretical analyses relating to this new structure are conducted, including load transverse distribution rule, shrinkage and creep effect, temperature difference effect, and ultimate bearing capacity
本文提出大懸臂預應力波形鋼腹板挑梁這一新的構造形式，對其橫向分佈規律、收縮徐變、溫差效應以及承載能力等方面的受力特徵進行了分析和試驗研究。 -
Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result
為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響，採用時間增量法對每個計算階段根據其階段內時步數進行循環，以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量，利用有效彈性模量法計算混凝土徐變收縮次內力，在此基礎上，結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。 -
Moreover, the time - dependent stress in ribs due to the creep also has been measured for about one year since the static experiment case was over
在完成靜力加載工況后，對模型進行了一年的持荷觀測，實測鋼管混凝土徐變對結構應力重分佈的影響。 -
At the same time, depended on the creep test of double - prestress composite structure which is just being observed, the calculation theory and method of the redistribution of stress of double - prestress composite structure is studied and some helpful reference for design and research of this new - type structure is offered in this thesis
同時本文結合正在觀測中的二次預應力組合結構徐變試驗，研究了二次預應力組合結構徐變應力重分佈的計算理論和計算方法，為二次預應力組合結構這一新型結構的設計和研究提供了一些有益的參考。 -
In this paper, we take high molecule physics and the damage theory of rheologic material with lacuna as the basic, make the experiment as a mostly measure, take the pmma as a research object, to study the pmma ' s nonlinear viscoelasticity of high polymer. the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress, time and temperature in term of creep and flab
本文以高分子物理學、含缺陷流變性物體的材料破壞理論為基礎，以實驗為手段，以工程中常用的pmma為研究對象，對pmma銀紋破壞的非線性力學行為進行了研究。作者採用顯微技術，對pmma在蠕變或鬆弛條件下，不同應力水平和不同基溫下的pmma銀紋損傷進行了實驗研究。 -
Standard test method for elevated temperature tensile creep strain, creep strain rate, and creep time - to - failure for advanced monolithic ceramics
高級單片陶瓷的高溫抗拉蠕變應變，蠕變應變率及蠕變斷裂時間的標準試驗方法 -
Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ; ( 2 ) during monotonic primary loading, the stiffness increasing magnificently shortly after creep ; ( 3 ) the direction of creep will change from positive creep ; to neutral creep and negative creep during unloading, while during reloading, it will change from negative, to neutral and positive creep
試驗結果表明： （ 1 ）在初始加載過程中，經過一定時間蠕變后黏土的強度有很大的提高； （ 2 ）在卸載過程中，隨應力值下降黏土的蠕變表現出由正蠕變、中性蠕變到負蠕變的逐漸轉化； （ 3 ）在重復加載過程中，隨應力值增加黏土的蠕變表現出由負蠕變、中性蠕變到正蠕變的逐漸轉化。
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