stiffness ratio 中文意思是什麼
stiffness ratio
解釋
剛度比-
Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed
在對密肋復合墻板運用ansys ~ （ （ ? ） ）程序進行數值模擬、分析驗證的基礎上，對典型組合墻體在不同連接構造和不同荷載效應組合作用下的受力形態和破壞模式進行研究；計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復合墻體承載力及剛度的影響，得出其變化規律。 -
The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft
對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。 -
Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile
將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。 -
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）的豎向荷載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系數等抗震性能的比較，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設計建議 -
Thecalculating results show that the composite action between concrete floor and steel beamsgreatly influence the bending bearing capacity and initial rotational stiffness of joints, it shouldbe considered in practical engineer. reinforcement ratio of lengthways reinforcing bar andthe stiffener of web have great influencer on the behavior of connections, while the thicknessof end - plate and degree of shear connection have a litter influence on its behavior
分析計算結果表明:樓板與鋼梁的組合作用對節點的抗彎承載力及初始轉動剛度的影響非常大，實際工程中節點設計應當考慮這種組合作用;樓板內縱向鋼筋配筋率與柱腹板加勁肋對節點性能影響顯著，而連接端板厚度及剪力連接程度的影響則不是太顯著。 -
Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數，如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現，動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用，對於一定的氣門啟閉規律要求，這些結構參數存在一組最佳值。 -
Considering different soil spring models for vertical fault movement and horizontal fault movement, two damage cases of pe pipeline in ji - ji earthquake have also been simulated. the large deformation of a buried pipeline under fault movement is investigated in the 4th chapter. to examine the inelastic behavior of buried pipelines, the parametric studies on pipe material property, diameter ( d ), diameter - to - thickness ratio ( d / t ), crossing angle ( ), as well as soil stiffness, have been conducted using a shell - spring fem method
對於0 p三90 」的情況，當斷層位移相對管徑還不是很大時（管子內的彎曲應變與軸向拉伸應變相差不大的情況） ，斷層附近管子變形形式與梁相似；當斷層位移相對管徑很大時（管子以軸向拉伸應變為主的情況） ，斷層附近的管子軸線變形為一圓弧，管子表現得像一條沒有彎曲剛度的索。 -
3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared. the optimal range of these parameters is pointed out and some advances are also given
研究探討了矢跨比、拱梁剛度比等參數對預應力混凝土連續梁拱組合體系橋梁結構內力的影響，並得出合理的取值范圍，為設計人員選取結構參數提供參考。 -
When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other
得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。 -
The effects of piles interval, embankment height, cap width, shear modulus of embankment fill, horizontal geotextile tensile strength and pile - subsoil stiffness ratio on pile efficacy, were also carried out
研究了樁間距、路堤高度、樁頂托板寬度、路堤填土剪切模量、水平加筋體拉伸強度及樁土相對剛度對樁體荷載分擔比的影響。 -
The results show that pile efficacy is significantly affected by piles interval, embankment height, cap size and pile - subsoil stiffness ratio, while shear modulus of embankment fill has less effect and geotextile strength has a little effect
結果表明：樁間距、路堤高度、托板寬度及樁土相對剛度對樁體荷載分擔比影響較大，路堤填土剪切模量的影響次之，而水平加筋體拉伸強度的影響很小。 -
Contraposing its characteristic of two - lever support system, this dissertation discusses the influence of stiffness ratio to the mechanics behaviors, and analyses the variety trend of the mechanics behaviors along with the change of stiffness ratio
針對巨型框架結構兩級受力體系的特點，探討了主、次框架剛度比對結構受力性能的影響，對其剛度比發生改變后，結構受力性能的變化趨勢做了深入研究。 -
Advanced composite is widely used in designing the structure of aircrafts, for it has some excellent performances such as excellent fatigue, high strength and stiffness ratio, etc
先進復合材料比強度、比剛度以及良好的抗疲勞特性等諸多優異性能為飛機結構工程設計實踐廣泛應用。 -
Furthermore, it was shown that load - displacement of pile groups and load distribution on pile top were affected by properties of soil and stiffness ratio of piles to soil, and by length, diameter, spacing, and number of piles
在此基礎上，分析了剛性承臺條件下超大群樁基礎的荷載位移曲線變化規律以及樁頂荷載分佈規律受樁土剛度比、樁長、樁徑、樁距、樁數、土性等因素的影響規律。 -
The two ways stiffness ratio of the reinforced concrete hollow slab is studied and the results show the reinforced concrete hollow slab is bent in two ways under the vertical loads providing the length of the two rims of the slab are near. the analysis for the concealed wide - flat beams demonstrates that it belongs to the column strip and it does not possess the function of the frame girder
本文首先從理論上分析了空心板兩方向剛度比，認為兩邊長接近的空心板在豎向荷載作用下為雙向受彎，其受力性能為雙向板；分析了柱上暗扁梁在樓蓋中的作用，認為它不能起到框架梁的作用，應為柱上板帶的一部分。 -
It is best that the stiffness ratio of ring beam to pile is 2 to 3. we think over burying depth of piles is 30 % of the whole length when ring beam existing. but it is necessary to decide according to the quality of soil layers and types of piles
圈樑與樁的剛度比為2 3為最佳，有圈樑時樁的入土深度可以考慮占總樁長的30 ，但需要根據具體的土層性質和樁的類型斟酌而定。 -
The stiffness ratio of ring beam to pile affects the maximum value of moment near the bottom of excavated pit
圈樑的抗彎剛度與樁的剛度比對樁身彎矩特別是坑底附近的最大彎矩值也有很大影響。 -
Floor rigidity has relations not only to floor stiffness, but also to stiffness and location of anti - shear member. neither floor length to width ratio nor stiffness ratio of floor to shear wall should be the guild line of rigid floor
不能單純地根據樓板的長寬比的范圍來確定樓板是否為剛性樓板，也不能簡單地根據樓板與剪力墻的剛度比來判斷樓板是否為剛性樓板。 -
In addition, based on the example of one actual building, the program is used to calculate the earthquake responses of the building with six assumed different lateral stiffness ratio
同時，結合工程實例，計算了六種不同側向剛度比條件下結構的彈塑性動力反應。 -
Case study shows that rational determination of the friction coefficient and the stiffness ratio of these two kinds of bearing is helpful to obtain good effect of vibration isolation
實例計算表明，選擇合適的摩擦系數和2種支座的剛度比，可以得到性能較好的隔震結構。
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