設計荷載系數 的英文怎麼說

中文拼音 [shèzǎishǔ]
設計荷載系數 英文
design load factor
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 荷名詞(蓮) lotus
  • : 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 ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承力問題進行了實用化的探討,提出了考慮地基變形的地基承力上程算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎規范中的條形基礎(平面問題)的界限p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前規范引用土力學承力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參:針對日前巖土工程界應用樁基規范中的難點? ?樁端巖基承力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法算、土力學算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反力裝置,了側壁支撐反力加統,該加統具有實用、簡便、穩定及安個等優點。
  2. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位等各種算參的深入分析和研究,提出了一套相應的旋噴樁復合地基算方法;通過算分析,深入探討了旋噴樁復合地基變形隨變化規律、樁和樁間土變形協調關、樁土應力比及復合地基壓縮模量的確定,並提出相應的方法和修正參;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  3. A talk about determination of the partial load factors in design of building structures

    淺談建築結構分項的取值
  4. 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

    比較靜力風和動力風作用下的有限元軟體的算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法算下的最大位移的算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風的橫向振動是很敏感的,在進行工程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。
  5. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承實驗表明了與摩擦阻力之間的關,並對巖溶地區的嵌巖灌注樁的傳遞和破壞機理、承力特性,進行了富有成果的現場測試工作;試驗據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與樁基時的算模式相差很大,承力也較增加;使用力學值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬算和定量研究。
  6. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的進行了統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次相當頻繁,每小時高達600 - 800次,沖擊負大,過能力要求較高。
  7. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的建議
  8. The load transverse distribution coefficient of test is in coincidence with the calculating hypothesis. prestress is linear distribution along the section height. the deformation of the section is according with the plane hypothesis

    通過對試驗結果與有限元算結果的對比分析,得出結論如下: 1 、本文所測試的橫向分佈符合算假定;預應力沿截面高度分佈具有較好的線性關,截面變形符合平面假
  9. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重道路路面中所存在的問題,從重交通特性出發,收集分析了國內幾條重道路的交通及軸組成情況,根據重交通的特點,分析原有圖式的不足,提出了適合於重瀝青、重水泥混凝土路面的圖式;同時,在重水泥混凝土路面疲勞方程及重瀝青路面破壞機理研究的基礎上,通過對重路面軸換算公式的進一步研究,分別提出了適合於重水泥及重瀝青路面的軸換算公式;此外,本文還對重水泥、重瀝青路面的指標、交通參、材料參及結構組合等方面進行探討,統地提出了重路面的方法,並使之有效地運用到工程實踐中。
  10. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的問題,對雙層陶瓷復合靶板的優化進行了分析,給出了在一定面密度下的最佳優化,討論了一定彈道極限速度下的面密度和厚度隨優化的變化關
  11. It shows that the method and the results can be used for designer, capital construction manager and researcher reference. 6 > the statistic parameters of load effect and resistance on fatigue reliability are studied in the paper. according to statistic analyzing of the real data from spot and the old test data, the fatigue reliability is calibrated on 8 details, which are provided in the code, by first order second moment ( fosm )

    6 、通過鋼結構吊車梁實測資料與以往疲勞試驗資料進行統分析,提出了與抗力的統,用一次二階矩方法對鋼結構規范中規定的8類連接和構造型式的疲勞可靠性進行了校準分析,根據算結果給出疲勞目標可大連理工大學博士學位論文一靠指標的建議值與分項表達式。
  12. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試驗統軟體上,結合試驗機原理,採用基於原型函的動態標定據曲線擬合提高了標定的精度;通過對比各種曲軸試驗據的處理方法,同時考慮在實際運用中的效果,算機統採用了疲勞極限統分析( safl )法。
  13. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的算,並配合現場靜試驗及壓力盒實測據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關,對比分析了單樁、單樁復合和雙樁復合的p ? s關,對橋基灰土樁復合地基承力進行了整體評價。
  14. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出算無縫焊接鋼軌中的溫度應力的公式,並對其中參的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗統的需要,獨立並加工出相關配套的實驗備,包括實驗鋼塊、有機玻璃楔塊、固定件、外框裝置等。
  15. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有限元軟體ansys按正交理論對樁端承力進行模擬算,獲得樁端承力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關,並採用理統方法,對81組ansys模擬試驗結果據進行回歸分析,得到有限元法確定樁端極限承力的回歸公式,並將有限元法回歸公式算值與現場小壓板試驗值進行比較分析,得到大直徑樁端阻的尺寸效應算公式。
  16. This paper mainly deals with the subjects below : the problem on fem analysis, general reliability analysis and calculation, and optimization based on the general reliability of the random or fuzzy parameters structure ; and also brings forward a method for getting the fuzzy answers from the fem equation by taking the fuzzy multiplier from a fuzzy variable ; in the fem analysis and structural reliability optimization, the randomcity and fuzziness of the structural physical parameters and the load applied on the structures are all considered

    文中對隨機和模糊參結構在不確定性作用下的結構有限元分析、可靠性分析和基於可靠性的優化等問題進行了研究。以桿結構為對象,提出結構分析的模糊因子方法,其中分別或同時考慮了結構材料的物理參、構件的幾何尺寸和作用幅值等的隨機性和模糊性;對結構響應(位移、應力)為模糊變量時的廣義可靠度進行了推導。
  17. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的還是以傳統的方法為主,根據查找國內外文獻資料,華東建築院王衛東利用地下連續墻與樁在豎向作用下的工作性能有相似性,將適用於樁基的poulos彈性理論引入對地下連續墻的沉降算中;清華大學水利水電工程濮家騮、于玉貞根據三軸試驗結果確定混凝土的參,利用非線性e - b模型,結合黃河小浪底土石壩剖面,採用thepd土石壩總應力程序,對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻算結果加以對比,同時分析了不同配比塑性混凝土特性的影響,並採用應力水平和拉應力值來判斷塑性混凝土防滲墻的安全程度。
  18. To have a further study of the new type soft subgrade reinforcing system of geocell reinforced gravel mattress and gravel pile composite foundation of its mechanism of load capacity and settlement development, three comparative model tests were designed and carried out under the direction of similarity theory and similarity criterions deduced through dimension analysis method

    摘要為深入研究土工格室碎石墊層碎石樁復合地基這一新型多元復合地基加固體的承力和沉降變形機理,應用量綱分析法推導了土工格室碎石墊層碎石樁復合地基模型試驗的相似準則,根據相似理論和完成了3組具有可比性的模型試驗,獲得大量沉降、樁土應力比和應力分佈據。
  19. Standard specification for computing reference resistance of wood - based materials and structural connections for load and resistance factor design

    和阻力用木基材料和結構連接件的標準阻力算的標準規范
  20. Multi - span plastic greenhouse structure design theory has been studied systemic which include design loads, design methods and system optimization designs aimed at the situations above - mentioned, meanwhile, theory analysis and designs have been completed for series east - china multi - span plastic greenhouses in accordance with the local climate characteristic. some elementary conclusions are summed up : ( 1 ) in the aspect of multi - span plastic greenhouse structural design loads researches, based on the contrast analysis of loads provided in foreign and chinese standards, analysis and discussion are mentioned about the definition loads, the estimation and load cases for multi - span plastic greenhouse structural design in details, some conclusions are summed up first : i, wind load : under the present conditions, it is unnecessary to

    得到一些初步的結論: ( 1 )在連棟塑料溫室結構研究方面,從分析比較國外關于溫室建築及我國工業與民用建築規范的角度出發,針對連棟塑料溫室結構中的定義方法、算取值、組合等進行了較深入的探討和分析,首次得到以下結論: 、風:在現有條件下,考慮風壓高度變化、陣風作用因子和風體型,按中國建築結構規范( cbj9 ? 87 )算風是可以的,不必進行重現期博士學位論文摘要修正。
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