載重系數 的英文怎麼說

中文拼音 [zǎizhòngshǔ]
載重系數 英文
deadweight ratio
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 載重 : load; carrying capacity
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊荷的極限問題都具有要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度因子和阻尼因子
  2. In the process of developing mis, there are some disadvantages in traditional c / s structure such as overload of database server, overabundance cost of system maintenance appeared along with the increase of system scale and application complexity

    在信息統的構建中,傳統的c s結構會隨著統規模的擴大和應用的復雜性增加暴露出許多弊端,如據庫服務器負統維護成本大幅度提高等。
  3. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷和動力風荷作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出量輕、頻率低、阻尼小的柔性建築物對風荷的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振等相應方法來加以體現。
  4. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容、側壓力、垂直荷高度或埋深、圍巖的彈性抗力、支護結構的彈性模量、混凝土容、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  5. Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated

    第五章研究了主動阻尼統中的時變因對減振統的減振效果的影響(包括路況、車速、阻尼油的粘度隨油溫變化而引起的變化,油液的彈性模量等) ,並分析了模型簡化時一些被忽略的非線性因統性能的影響。
  6. Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface

    本文在新劃分abbott - firestone曲線的基礎上引入了表面承、核心區液體滯留指和谷底液體滯留指三個指標分別評價表面承性能和儲油性能,同時通過試驗找到了這三個評價指的變化規律,最後建立了它們和分形參之間的關,並發現尺度同樣可以用來評價表面的承性能和儲油性能。
  7. Its hysteretic curve is plumper, its ductility coefficient and energy dissipation capacity have been improved remarkably. the inclined staff of the steel bar truss has a restraining faction to the development of the crack, and the phenomena is that there has more crak and larger distributing area on the shear wall, which is an important token of the improved seismic capacity. concealed steel bar truss has the faction of increasing the height of plastic hinge area, which is another important token of

    研究結果表明:內藏鋼桁架高剪力墻與普通高剪力墻相比:屈服荷和極限荷均比顯著提高;屈服剛度明顯提高;其滯回環相對飽滿,延性及耗能能力顯著提高;內藏鋼桁架高剪力墻,其鋼桁架斜桿對裂縫發展有控製作用,現象是墻體上的裂縫較多、分佈域較廣,這是抗震耗能能力增強的要表徵;內藏鋼桁架高剪力墻有增大底部塑性耗能區域的作用,這是抗震耗能能力增強的另一要表徵;內藏鋼桁架還有顯著提高抵抗剪力墻基地剪切滑移能力的作用。
  8. Using its two characteristics - fully automatic and rapid, this system can accomplish simultaneous, rapid, stable and repeatable matching with the load impedance, especially the dynamic load impedance ( eg : plasma load ). at the same time, it maintains the reflection coefficient at the desired value ( eg : 1. 2 ) to assure that the microwave transmission is at its best

    統可利用它全自動化和快速的特點,實時的為負尤其是動態負(比如:等離子體負)提供快速,穩定,可復的匹配,自動將反射保持到工程理想值,從而實現微波功率的最佳傳輸。
  9. The safety of the running train is an important subject in railway vehicle system dynamics. the condition of derailment and indices of vehicle are important parameters that are defined for safety evaluation of the running train. according to the running condition of vehicle, the paper discusses derailment safety of vehicle in four respects : the coefficient of derailment for a single wheel, the coefficient of derailment for wheel - set, the derailment condition caused by wheel load reduction, relation between the coefficient of derailment and the rate of wheel load reduction. factors affecting the indices are systematically investigated. suitable conditions of derailment of vehicle are given. the results show that h / p1 can be used to evaluate the derailment safety, inwhich h is a force acting on wheel - set in the direction of lateral and p1 is a force acting on the derailment wheel in the direction of vertical

    車輛脫軌條件和評定指標是衡量車輛安全運行的要指標.根據車輛運行狀態,從單輪脫軌條件和評定指標、輪對脫軌條件和評定指標、由輪引起脫軌的條件、脫軌與輪壓減少率的關等4個方面對車輛的脫軌安全度進行了探討,分析了影響車輛脫軌的因素,並指出車輛脫軌評定條件的適用情況.結果表明,採用作用於輪對的側向力h與作用於脫軌側車輪的垂直力p1之比檢算車輛的脫軌安全度較為合理
  10. First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail

    對于需求預測,著考慮對原始據的擬合精度,經過模型比較優選論證,分別採用了灰色一階模型,改進的灰色二階、自適應過濾預測的加權組合模型,得到了相當高的擬合精度;對于供給預測,運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的相互關進行動態模擬,定量的反映出各變量之間的因果關;對于運價預測,嘗試引入市場綜合因概念,化繁為簡,通過描述運價與運力供給、噸、油耗、航速、燃油價格、航行成本等等諸多因素的關來進行預測。
  11. The automatic metering system for 33 - 07 trucks can accurately make automatic metering and recording of mine - used truck hauling data such as run number, load, time etc. under various complicate and deteriorative operational environment conditions so as to realize the automation and computerization of the metering of mine - used truck hauling and meet the requirements of the truck hauling management in open - pit mine operation. as a result, it is of high popularization value

    07汽車自動計量統能夠在礦用汽車各種復雜、惡劣的作業環境條件下對汽車運輸作業的車次、量、時間等據進行準確自動計量和記錄,實現了礦用汽車運輸作業計量的自動化和計算機化,滿足了露天礦山生產汽車運輸管理工作的需要,具有較高的推廣應用價值。
  12. Now, there are four evaluation methods in this field, every method has its advantages and shortages and most of them are established based on highway. high weight communication, great loads channelized traffic and high speed is the expressway ' s feature, there is great difference in the development law between highway and expressway. we will get some unfitness result by using those evaluation methods to evaluate expressway

    目前國內外常用的四類路面使用性能評價方法中回歸法評價結果與實測據相關性不太理想,統分析法客觀性不強,灰色理論法存在一定的主觀經驗性,其它一些方法還處于研究階段;而且這些方法都是基於普通公路建立,高速公路具有交通量大、汽車軸、交通渠化和行車速度高等特點,路面使用性能的特點和發展變化規律與普通公路存在較大差異。
  13. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力,分析了車輛的行進方向、速度和,橋面沉降坡差和搭板長度等車和路各參對計算結果的影響,並編制了相應的計算程序。
  14. The test results show that the gross weight increases 8 tons while the tare weight reduces nearly 1 ton, and the tare ratio reduces from 0. 52 to 0. 4. it enables the carry load increases 9 tons to up 40t which greatly improves the transportation efficiency

    試驗結果表明,該車結構設計合理,強度剛度滿足要求,在車輛總增加8t的情況下,自降低了近1t ,自由0 . 53減小到0 . 388 ,使增加了9t ,達到40t ,極大地提高了米軌貨車的運輸效率。
  15. Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated

    本文以蓮沱特大橋工程實踐為背景,以主拱施工研究為主線,對鋼管混凝土拱橋難點施工工藝,從技術上可行、經濟上合理的角度出發,詳細的進行了分析闡述,並指出了設計施工中存在的不足和今後需改進的方向;通過對鋼管混凝土拱橋施工過程中內力的計算,確定了拱肋施工最不利荷工況下加量、壓順序和張拉臨時預應力束等一列施工措施,並將計算結果與現場監測觀測據進行了比較分析,為今後進一步研究這類結構提供了參考。
  16. Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams

    本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料,通過在靜復荷、凍融及有缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析,建立了玻璃纖維布-混凝土的粘結計算模型,明確了不同受力狀態下纖維布應變的設計取值,提出了玻璃纖維布-混凝土抗剪粘結強度的計算公式;確定了考慮非有效粘貼面積對加固效果影響的折減;給出了凍融循環次引起承力下降的插值計算方法;並驗證了復荷作用下玻璃纖維布與混凝土良好的粘結性能。
  17. Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale

    本文在概述經濟結構理論的基礎上,第一次統地研究了西安市農村經濟結構調整,用據統計的方法,定量、定性地分析了西安市農村經濟結構演變的軌跡,分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應,揭示了農村產業結構演變的規律。提出農村非農產業,尤其是高速增長的農村工業,對促進農村產業水平的提升起著長?推動力的作用;農民收入增長直接受農村產業結構的影響最大,農業產業結構、種植業結構對農民收入有影響,但作用不可高估;非農產業是農民增收的主要支撐力量,解決農村余勞動力在城鎮化、工業化水平不高的情況下,切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業;農民收入要保持快速增長態勢必須加大農村勞動力轉移力度,減少耕地承勞動力的。通過理論分析,結合西安市改革開放后20多年的農村產業結構調整的實踐,提出了西安市農村產業結構調整的發展思路及目標、原則,明確指出了政府在農村經濟結構調整過程中的職能轉變的要方面:一是制定農村產業結構調整的傾斜政策,二是加大對農村產業調整的投入力度,三是制定產業結構調整的規劃,四是依靠科技進步促進產業優化和升級,五是加快城鎮化過程,優化農村產業結構。
  18. Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor

    對影響樁振動特性的主要因素進行了分析,結果表明,長徑比、樁土模量比及樁底支承對樁的動力響應影響顯著,而滲透作為飽和土的一個要參,由於荷作用時間問題,對樁的動力響應影響較小。
  19. This paper quantitatively analyzes how shear strength parameters influence bearing capacity of foundation according to fitting the bearing capacity factors of calculation formulas in the 《 code for design of building foundation 》 and illustrates the importance of the correct choice of test methods and test type in engineering practice with two examples

    摘要擬合了《建築地基基礎設計規范》中承的計算公式,據此定量分析了土的抗剪強度指標對地基承力計算結果的影響程度,並以實例說明了工程實踐中正確選用試驗方法和試驗類型的要性。
  20. To estimate of ultimate bearing capacity from the cohesion and unit weight of soil and embedded depth ( overburden ), the kinematical approach of limit analysis based on the three - dimensional mechanism was used

    文中利用極限分析中的機動法,構建了一個臨近基坑矩形淺基礎的三維機動許可破壞模式,按照地基承力的傳統表達方式,分別給出了單獨考慮土的粘聚力、基礎埋深(超)和土的自影響的承
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