有效應力參數 的英文怎麼說
中文拼音 [yǒuxiàoyīnglìshēnshǔ]
有效應力參數
英文
effective stress parameters- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 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...
- 參 : 參構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 有效 : effective; valid; efficacious
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Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上,鋼管對內填混凝土的環箍效應具有非均勻性,在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變;混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈;並總結了其變化的基本規律。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition
在論文中,考慮到壓力管道的一維性質,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈性波反射方法進行損傷檢測中,不考慮截面效應對彈性波的衰減影響,這就對損傷檢測造成一定的影響,本文考慮截面效應的影響,通過實驗來確定截面效應系數。On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究,考慮了多個參數的影響,對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析,得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式,以期為規范的修訂提供參考。The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0
採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選;大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些,以保證底部裙房與上部塔樓共同振動,但也不能過剛;大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小,但易於滿足延性要求,在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移,因此採取提高底盤承載力的措施的效果是有限度的,承載力系數s宜取為2 . 0 3 . 0之間。In addition, the dynamic equation about ammonia fertilizer affected by interaction of water and temperature is gotten. 3. the phenomenon about water vaporization - induced ammonia volatilizing is verified, and it is studied quantitatively
此外,通過回歸分析還建立了表徵施入土壤中尿素轉化為銨態氮的動力學型方程,其參數均與土壤水分、溫度有關,並得到這些參數的水熱耦合效應關系式。Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior
本文主要通過直接拉拔試驗,考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響,並對粘結效果較差的cfrp筋研究了表面處理方法,以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片,測定了粘結應力沿cfrp筋埋長的分佈情況,並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。There are some useful experiences for taking - off of chinese market in the history of the global main markets : it ' s the specific cause of development that determines the transplanting mode of securitization system of a specific country ; there would be little successful markets without effective push from local governments ; banks are always main participants in the markets and play an important role in the development of a market ; civil - law countries should make necessary reform to their current legal systems to sustain development of their markets
考察從美國到全球的主要證券化市場發展歷史,可以得到以下足為我國證券化市場與制度建設之鏡鑒的經驗與教訓:發展動因上的區別影響引入證券化制度的模式和路徑;大多數證券化市場的成功起飛離不開政府積極有效的推動;銀行作為證券化市場的主力參與者,決定著一個證券化市場發展的道路與程度;民法法系國家應立足於自己的法律文化和制度體系,改革固有的法律制度以為證券化市場提供製度支持。Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection
本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force
結合丹山橋的結構特點,通過對斜拉橋施工控制及結構計算方法的探討,提出了有效的施工控制系統,實現了對實橋施工數據和技術信息的採集;通過分析理論計算與實際施工狀態的差異,確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法;通過正裝迭代法確定其合理施工狀態,並考慮混凝土的徐變效應,提出了合理的預留拱度和索力調整方案。Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced
在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討,提出了同時考慮年溫差和日溫差影響的組合溫差取值方法;根據各種不同的組合溫差取值方法,結合現場實測數據給出了試點建築的組合溫差取值,並考慮了不同構造措施的影響,對試點建築進行了有限元的溫度效應計算;給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。Based on a general overview of firm performance assessment theories, this study makes a comparison between traditional performance measures and strategy - oriented performance measures, analyzes the existing performance measurement system of the national aviation oil companies. the thesis has a literature review of the balanced scorecard researches and applications, expounds the advantages of the balanced scorecard over traditional measurement systems in revealing the intension of firm performance, analyzing the critical factors behind firm performance and providing information support for firm strategy, documents the relationship between the balanced scorecard and firm strategy, and puts forward the idea of strategic performance. by using the data and background information from one of those national monopoly oil companies, this study a ppraises the limits of this sort of companies " performance measurement system, applies balanced scorecard method to this kind of national monopoly oil company, designs questionnaires to collect experts " opinions, colligates the opinions, selects kpis, builds experimentally the first strategy performance assessment indicator system in this kind of company, determines the indicators " parameters, uses the real corresponding data to measure the 6 business lines of this company, through comparing the assessment result with the strategic standard, a conclusion is drawn and suggestions are put forward about how to exploit the performance potential under present conditions
在對績效測評理論進行回顧的基礎上,本文研究了傳統測評指標體系與戰略導向的測評指標體系的區別,總結了中國航空油品經營企業的績效測評現狀,對平衡計分卡理論研究和應用進行了綜述,分析了平衡計分卡在揭示績效內涵和影響績效的因素、發揮績效測評的信息作用等方面的優勢,論述了平衡計分卡與企業戰略的關系,提出了戰略績效的概念,並結合某壟斷性油品經營國有企業的實際,評述了此類企業傳統績效測評指標的局限性,借鑒平衡計分卡思路,通過設計調查問卷、收集專家意見並加以綜合分析等工作,選取關鍵績效指標,探索性地建立了中國壟斷性航油經營國企的首個企業戰略績效測評指標體系,並確定了指標有關參數,對應指標的統計口徑採用經調查獲得的測評所需數據,對該企業6個業務板塊的績效進行測評,通過對比分析得出在現有條件下如何挖掘潛力的結論和建議。The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model
2 、在大量調查的基礎上,對吊車梁所承受的疲勞荷載效應與等效等幅應力進行了統計分析,同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析,為建立疲勞動態可靠性分析模式奠定基礎。The mostly content in this paper include the law of the influence upon the effective stress coefficient worked by the holes configuration which comprise the holes rate and the hole distributing, and the law of the influence upon the effective stress coefficient worked by the cracks configuration in rock which comprise the amount of cracks and the cracks distributing. by numerical value experiment, the variety laws of the effective stress coefficient worked by the cracks distributing, by the fractal dimension and the initial value have been work out. by referring to the formerly physical experiment datum and conclusion, the thesis has studied the influence upon the effective stress coefficient worked by the outside pressure and the liquid press inside rock and sum - up the variety law of the effective stress coefficient with the outside pressure and the liquid press
本文的主要內容包括:巖體孔隙裂隙結構對有效應力系數的影響規律,即:一是孔隙率大小及分佈形態對有效應力系數的影響規律,二是裂隙的條數和分佈形態對有效應力系數的影響規律,並得出了裂隙的分形參數,即:分形維數和裂隙初值的變化對有效應力系數的影響的相關規律,同時也搞清了裂隙分佈形態對有效應力系數的影響規律;參照已有的物理試驗結果,分別研究了巖石所受的圍壓和孔隙流體壓力的變化對有效應力系數造成的影響,從細觀的角度揭示了有效應力系數隨二者的變化規律。Abstract : a continuous type inferential control algorithm and the proof of the stability and the convergency of the inferential control system are given in this paper. the system has the performance of convergency and robustness. the algorithm which is simple and has only one adjustable parameter q and has been successfully used for the servo control of the tension of the film in the metallized film capacitor automatic winding machine and we get a satisfactory result
文摘:給出了一種適用於工程常見的二階對象的連續型推理控制演算法,以及推理控制系統的穩定性和收斂性證明.該系統無差、穩定,且具有較好的魯棒性.該控制演算法簡單,僅有一可調參數q ,並成功地應用於薄膜電容器全自動卷繞機中作為快速張力伺服控制,取得滿意效果The heat transfer can be enhanced when the configuration and inlet waterpower parameter of resonant chamber are properly selected, the effect of heat transfer enhancement is different with different configuration and inlet waterpower parameter of the resonant chamber, and the strongest effect on heat transfer is found out, which can increase the heat transfer coefficient about 30 %
不同的尺寸和進口水力參數,強化換熱的效果也不同,同時發現存在一個最好的強化換熱效果,此時可以將換熱系數提高30 %左右,對不同的共振腔,產生最佳換熱所對應的進口壓力略有不同。Correlative function method and variable function method are used to calculate the relevant range of soil layer. the limit capacity of bored pile is determined by the cone penetration tests ( cpt ) and the static loading tests and related statistics parameters are also evaluated. considering the effects of group piles, the action effect is calculated by the settlement of pile foundation and the reliability index of single pile as well as group piles is determined by monte - carlo method
本文選擇臨近場地的四座高層建築地基的全部勘測資料,以沿深度方向的一維平穩高斯隨機場作為樁基土層土性參數的數學模型,利用相關函數法和變異函數法計算土層的相關范圍,由cpt和靜載試驗結果綜合確定鉆孔灌注樁的極限承載力,進而對相同場地各試樁的承載力進行折算后檢驗其概率分佈,並估計有關統計參數:考慮群樁效應確定樁基承載力,由樁基沉降反算其作用效應,由monte - carlo方法計算單樁及群樁的可靠指標。Effective stress strength parameter
有效應力強度參數分享友人