過度應力 的英文怎麼說
中文拼音 [guòdùyīnglì]
過度應力
英文
unfair stre- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 過度 : excessive; over; undue; ana-; hyper-
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The drive band and retainer feature a hex - drive system to distribute drive loading evenly and eliminate overstressing of the flexible elastomer bellows
傳動環和護圈配置一個六角傳動系統,均勻的分配傳動負載,消除柔軟的彈性波紋管上的過度應力。The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame
根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈,既貼近實測數值,計算又比較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測,以及與本文所提出計算方法的理論解進行的分析比較,證實了本文計算方法的正確,同時改進了已往混凝土箱梁溫度自應力的計算方法。Two numerical examples of simple component in two and three dimensions are analyzed respectively by using the formulated transition element. the calculated results show that the formulated transition element can realize the transition between elements with different mesh densities and the calculated stress has a higher precision, which suggests that the transition method using the formulated two dimensional and three dimensional transition element is feasible for the transition between different meshes of elements in the multi - scale damage modeling
進行了相應的數值分析,應力計算結果表明:構造的過渡單元能夠實現疏密網格之間的單元過渡,應力計算性能良好,表明文中所提出的過渡單元的連接過渡方案是可行的,初步實現了結構跨尺度損傷模擬過程中所需要的疏密網格單元之間的過渡。In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control
在材料措施方面,深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施,利用其微膨脹性能補償壩體降溫過程中產生的溫度應力,以防止大壩縱向裂縫的發生。In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method
該程序在編制過程中考慮了混凝土分層澆築、施工間歇、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度場及溫度應力場的影響,同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件,包括模擬壩體的實際升程過程,考慮了新老混凝土接觸面上的初始溫度不連續,逐日的氣溫變化,混凝土的入倉溫度,水化熱溫升,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;應力場的計算考慮了混凝土的自重,靜水壓力,溫度應力,常態混凝土與碾壓混凝土不同的自生體積變形,混凝土的彈性模量隨齡期的變化以及徐變的作用。In the view o6f micro mechanics and fracture mechanics, the mechanism of crack generation of mass concrete is expatiated, thermal stress on the interface between aggregate and cement paste of concrete and crack forming and developing is analyzed and the disciplinarian crack developing with temperature is given
本文從微觀力學和斷裂力學的角度,探討了混凝土結構開裂機理,分析了溫變過程中混凝土骨料與水泥砂漿界面上的溫度應力以及界面裂紋的萌生和擴展,給出了裂縫隨溫度變化的擴展規律。What ' s more, the application of tc11 two phase alloys to the compress disk of areoengine alredy is relatively mature, and tc11 alloy may work safely for very long time below 500 c. ti3al matrix alloy and ( a + b ) two phase alloy is connected by weld. the request of the temperature and stress can be satisfied by dual alloy disk with isothermal forged ( or hot die forging )
選用ti _ 3al基合金tac - 1b和tc11兩相鈦合金用焊接工藝連接起來,通過熱模鍛或等溫鍛鍛造和不同的變形熱處理制度,製造出雙合金盤可以滿足溫度、應力對盤件的要求。This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )
在構建數學模型中,考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素,以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件,以輪帶的重量最輕為優化目標,通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。Combined with a concrete face rock - fill dam in process, the simulation analysis on the face slab ' s temperature field and temperature stress is processed in connection with the condition of temperature sudden drop caused by daytime temperature differences and cold wave and so on during the construction period
摘要結合某在建的混凝土面板堆石壩,針對施工期日溫差及發生寒潮等氣溫驟降情況,進行了氣溫驟降條件下面板溫度場及溫度應力的全過程模擬分析。This paper use the principle of mass concrete temperature raise and down will make concrete inside stress and strain cause change, and mixture ratio of concrete effect temperature stress, and the principle of equilibrium management model of china - pole, and the test curve of temperature in engineering, and the model experiment " anti - pull " together of mass concrete etc, to studied mass concrete anti - crack theory in design, construction and management
本文採用大體積混凝土溫度升降引起混凝土內部的應力和應變產生變化及混凝土的配合比對其溫度應力的影響原理、鏈桿平衡管理模型的計算原理、工程溫度實測曲線、大體積混凝土「抗?放」結合模型的試驗結果等研究了大體積混凝土在配筋設計、施工及施工管理過程中的抗裂措施。In this article, according to three - dimension finite element theory and heat conduction theory, the computation program of simulating thermal stress field of rcc arch dam during construction and service is researched and developed
本文採用三維有限元法和熱傳導理論,研究開發了碾壓混凝土拱壩施工期和運行期溫度應力場全過程的模擬計算程序。To avoid the possibility of damage, you should not use a needle or push the button too strongly
為防止損壞,不應使用針或過度用力按按鈕。A thermometer submitted for test is examined for structural defects, errors in figuring and dividing, trapped gas or impurities, and excessive strain before calibration
在校正交來作測試的溫度計前,本所會先檢查其是否有結構性缺陷、分度錯誤、藏有氣體或雜質及有過度應力。In this paper, referring to qingju water power station, temperature control analysis and study has been done : study on the match ratio of the concrete and question of modifying of the special fine sand concrete to improve resisting ability of splitting of concrete ; study on the technology of the highly mixed fly ash to reduce the adiabatic temperature rise of concrete ; in case of the condition of resisting splitting to allow, study on the temperature control measure to strengthen and water the size of building, simplify the operational procedure, accelerate the construction speed, economize the expenses of the project
溫控問題成為青居水電站設計和施工的關鍵技術問題。 、本文對水工大體積混凝土溫控問題進行了分析和總結,結合青居水電站閘壩工程,開展溫度應力及溫度控制研究:研究混凝土的配合比及特細砂混凝土『改性問題,提高混凝土的抗裂能力;研究高摻粉煤灰技術,降低混凝土的絕熱溫升:在抗裂條件允許的情況下,研究施工過程中溫控措施的簡化,以加大澆築尺寸,簡化施工程序,加快施工進度,節約工程費用。Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out
在軟體研製過程中,提出一種基於前沿生成法的速度快、穩定性好的平面元胞元網格自動生成方法和三維六面體網格的線段轉換法;根據元胞元模型的特點,提出一種穩健性較好的三維元胞元模型消隱方法;通過對應力圖生成技術的研究,提出一種對等值線、色帶圖、濃淡圖均適用的應力圖快速生成演算法。The load stress and the thermal stress of concrete pavement with lean concrete base are analyzed by three - dimensional finite element method, and the practical formulas of load stress under different axle load models and of thermal stress are get by regression method
利用三維有限元方法對貧混凝土基層混凝土路面進行了荷載應力和溫度應力的大量計算,通過回歸,得出了貧混凝土基層混凝土路面荷載應力及溫度應力實用計算公式。When the load stress and temperature stress of road slabs combine in a disadvantaged state, pavment structures may be distressed when a large axle load loading one time, the fatigue of pavment structures becomes insignificant
當路面板荷載應力與溫度應力的組合處于不利狀態時,過大軸載的一次作用就可能造成路面結構的破壞,路面結構的抗疲勞性則無從談起。Based on the actual construction, a study on the simulative calculation for both the temperature and the thermal stress of the continuous rcc placement for the construction of langtan rcc gravity dam is made with 3 - d finite element method
摘要結合施工過程,應用三維有限單元法,對龍灘大壩連續澆築混凝土的溫度及溫度應力,進行模擬計算的研究。分享友人