比例荷載 的英文怎麼說
中文拼音 [bǐlìhézǎi]
比例荷載
英文
proportional loading-
: 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth
T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆載荷的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的比例增大。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載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數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。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數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計算和定量研究。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten
本文結合框架-剪力墻實例,研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工作的微分方程及求解,得出框-剪結構在倒三角形荷載作用下的側移曲線、彎矩、剪力分佈曲線,經分析對比,得出框-剪結構最佳剛度特徵值區間。The rule of loads and settlement is concluded from numbers of settlement observation points ’ data. and in actual construction, this rule could be used to prevent immediate settlement under the accelerated load, and also, the serious result of the soil destruction could be avoided. at last, a proper method of settlement computing is derived from the identified rules, which can be used to guide the practical construction work, of course, meeting the compulsory standards of the settlement control well
採用逆作法施工,現實地解決了樁、土與筏板接觸面的變形協調關系;通過對樁、土受荷過程的實際測試,得出了樁、土分擔荷載比例和變化過程,從而為樁、土的荷載計算提供實際依據;從設置的大量沉降觀測點中所得到的沉降資料,得出荷載、沉降變化規律,從而指導在實際施工中,防止加載過快而導致速沉,避免由此帶來的土體破壞的嚴重後果;通過沉降規律分析,得出了適用於軟土地區的樁基沉降計算方法,用於指導實際施工,以滿足沉降控制的強制性標準。By calculating large quantity of examples, this text studies earthquake resistant behavior of tapered portal frame with pined bases and analyzes its natural frequency, natural period of vibration and vibration mode. by comparing interior forces of pillar top, beam end and span midpoint in two conditions that seismic action effect participates combination of forces and not when portal frame is n ' t changed, ensure conditions that combination of seismic action effect has controlling f unction during tapered portal frame design, and tapered portal frame demands anti - earthquake design
本文通過大量算例分析,研究柱腳鉸接楔形變截面門式剛架的抗震性能,並對其自振頻率、振型進行了分析;通過比較地震作用效應參與荷載組合與不參與荷載組合兩種情況下,樑柱截面尺寸不變時,柱上端、梁端、跨中截面處的內力大小,確定在什麼情況下地震作用效應組合起控製作用,變截面門式剛架需要進行抗震設計。Dynamic test has been performed on three strengthened girders after they were being put into service. according to the measured data from the dynamic test and the calculated results of the proportion of the load distribution on steel diagonal braces and steel crane girders as well as the increased carrying capacity after strengthening in consideration of the principle of cooperative work between braces and crane girders, the feasibility, rationality, and economy of this strengthening scheme have been verified. this scheme can be applied extensively to strengthen crane girders system including concrete crane girders system hereafter
最後結合對已經加固施工並投產使用的3榀鋼吊車梁的現場實際動測結果,按考慮下部鋼斜撐與鋼吊車梁二者協同工作的原理對鋼吊車梁與下部斜撐之間的荷載分配比例以及加固后鋼吊車梁的承載能力進行了進一步的計算驗證和對比分析,論證了採用鋼斜撐方案加固已有鋼吊車梁的合理與有效性。( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel
( 3 )分析可知連續組合梁的跨中、支座截面處荷載作用效應及截面抗力規律不匹配,本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式,並給出了截面尺寸比例,能使正負截面抵抗矩接近,符合組合梁受力特徵,減少了材料用量,滿足承載力和剛度等要求。The influence of such parameters as axial load index, aspect ratio and percentages of lateral reinforcement, on seismic performance of reinforced concrete frame column in hong kong and analyses the distribution relationships of flexural deformation, shear deformation and slippage of longitudinal reinforcement in joint zone
根據試驗結果,討論了軸壓比、配箍率、剪跨比等參數對其抗震性能的影響,分析了水平荷載作用時塑性鉸區的彎曲變形、剪切變形和縱向鋼筋粘結滑移變形所產生的位移在框架柱總水平側移中所佔的比例及其變化規律。That is, the load is dropped off in the proportion to the crack length.
這就是說,載荷隨裂紋長度的增加而按比例地下降。Cohesive models furnish a complete theory of fracture that is not limited by any consideration of material behavior, finite kinematics, non - proportional loading, dynamics, or the geometry of the specimen
內聚模型作為一個完全的斷裂理論,不被任何材料特性、有限運動、非比例載荷、動力學或是試件的幾何尺寸所限制。On the base of researching lots of information, the author particularly analyzes and compares the technique and economic index of steel residence and traditional structural system - rc structure to reflects the steel residence ' s good overall economic benefit by concrete datum from the material cost, effective service area and the construction ' s speed etc. discuss the optimum structural system of different scale of earthquake. the theory and example illustrate that when high steel residence has great horizontal load, the frame - prop structure is optimum
在大量資料研究的基礎上,作者進行了一個六層住宅建築實例的技術性與經濟性分析比較,該建築分別採用鋼結構和傳統結構體系? ?鋼筋混凝土框架結構,通過具體數字,從結構主材造價、有效使用面積、施工速度等幾方面反映鋼結構住宅建築的綜合經濟效益好,討論了不同地震烈度下兩種結構的優化體系,理論、結構分析算例和此實例分析都說明了有較大水平荷載時,多、高層住宅鋼結構宜採用鋼框架? ?支撐結構體系。As the ratio of peak samples to total training samples is low, the prediction accuracy of peak load is poor when applying support vector machine ( svm ) model to predict a periodical load
在應用svm模型于具有周期性負荷的預測時,由於在訓練樣本中峰值或谷值樣本所佔比例很少,從而導致峰值荷載預測精度不高。This paper deals with the following three topics with regard to the control of multiple manipulators : 1. deprive the kinematics and dynamical equations of two manipulators with identical structure on the basis of geometry theory, one of which has two links, giving the inverse solution to the kinematics of the system which consists of the manipulators and the grasped object ; 2. by use of load - distributing, design a controller coordinating multiple redundant manipulators whose parameters are known
基於微分幾何理論推導出兩個具有相同結構的二連桿機器人的運動學逆解及與物體所成系統的動力學方程; 2在假設由多個冗餘機器人與物體組成系統的動力學模型確知的前提下,利用負荷分配法,設計了一種不僅能使關節力矩優化且能按照一定比例分配負荷的控制器,解決了以往控制器的一些缺陷,即忽視各個機器人的實際承載力,導致一些負荷力小的機器人卻必須承擔較大的負載,最終損壞機器人; 3This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization
半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗力升溫時採用靜止土壓力加彈性土抗力,降溫時採用主動土壓力;分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受力和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理有實踐和推廣價值的橋型。Some examples are analyzed and indicate that along with the increasing load the distribution of axial load and rigidity of single pile become uniform. compared with various types of pile group, the pile group in circle distribution contributes to bear inclined load, and the axial load of each pile is more uniform
算例分析表明,隨著群樁承受荷載的增加,單樁的軸力和剛度分佈逐漸趨于均勻;比較單樁不同布置形式的群樁,發現圓形布置時其單樁軸力更加均勻。Degradable 70 / 30 ? pldlla cages were loaded to failure at loading rates between 10 - 3 and 10 - 1 mm / s under standard loading conditions ( in air at room temperature : 23 )
可降解的70 / 30聚左旋/消旋乳酸融合器載荷直到衰竭,在標準的試驗條件下(空氣,室溫23度)載荷比例為10 - 3和10 - 1 。Firstly the method of rayleigh - ritz and galerkin were adopted to analyze the beams under loading combined antisymmetric end moments with transverse uniformly distributed load theoretically, and the results were compared with that offered by kirby, p. a and nethercot, d. a, it showed that result was approximate and even lower and so to some extent the approach used in the paper is practice. secondly several principal factors that affect the beam stability were analyzed respectively, especially the shortening effect was mentioned scarely in some literature so far. at last, the author adopted the matlab to program the finite element software to analyze numerically, the results derived from it were agreed well with it
本文分別採用了rayleigh - ritz法和galerkin法從理論上分析了反對稱端彎矩及橫向均布載共同作用下樑的等效彎矩系數,並與kirby , p . a和nethercot , d . a分析結果進行對比,結果表明本文採用的方法得出的等效彎矩系數與其得出結果比較,在均布荷載與端彎矩比例相差不大時基本接近或偏小,說明此方法是可行的,而當均布荷載與端彎矩比例較大時,應根據均布荷載作用進行彎矩等效方法來計算。Finally a fact double - layer reticulated spherical shell is analyzed. the change of parameters, such as ratio of height - span, shell ' s thickness, stochastic flaw and disposal of load so on is considered, and more than 200 results on ultimate load - carrying capacity are obtained
利用本文程序對一個雙層球面網殼結構的工程實例進行了分析:考慮網殼結構設計中的主要參數如矢跨比、網殼厚度、初始缺陷以及荷載分佈等變化,計算結構的極限承載力,共得到200多個結果。It takes good use of these two numerical computation methods merits and it is valuable for defmiting the computation model of pile ? oil ; at the same time, it builds the computation model of compound pile foundation and uses the software ansys which is about finite element to build the mechanics model. in regular quality soil, the result worked by this way has good unanimity with traditional results, so it applies us strong evidence for using the way which this article tells us to solve problems which is difficult to handle in compound pile foundation, such as irregular quality, layer quality of the soil. at last, taking foundation soil ' s measuring data of liaoning technology university ' s test building for example, and using the way this article tells us to build compution module, we solve the sharing ration of pile and loading board
本文利用有限元與邊界元耦合的方法求解樁土相互作用問題,充分利用兩種數值計算方法的優點,對確定樁土相互作用計算模型是一次有益的嘗試;同時建立了群樁相互作月的數學模型,並利用有限元分析軟體ansys建立其力學模型,在均質土體中取得了與傳統解答較好的一致性,從而為拓展利用本文所述建模方法,解決群樁作用機理研究中難以處理的土體成層、非均質等性質,提供了有力的根據;最後,以遼工大實驗館地基土實測資料為例,利用本文建模方法,求解出承臺與樁的荷載分擔比,對安全、經濟地進行群樁基礎設計具有重要指導作用和應用價值。分享友人