靜風荷載 的英文怎麼說
中文拼音 [jìngfēnghézǎi]
靜風荷載
英文
static wind load-
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
比較靜力風荷載和動力風荷載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。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載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,並可採用乘以風振系數等相應方法來加以體現。The large concrete structures, such as bridges, safety hull of nuclear power plants, sea oil plateforms et al. are subjected to not only static loads, but also dynamic loadings such as vehicles, nuclear power, wind, wave, water flow and violence earthquake
許多大型的混凝土結構工程,如橋梁、核電站安全殼、壓力殼、海上採油下臺等,不僅受到靜載荷的作用,還要受到諸如車輛、核動力、風、浪、水流和強烈地震等動荷載的作用。Abstract : this paper has shown that t he research on static test of equivalent wind load for 1 / 33 model of jiaoyin fin ance building. the lateral deflection and strain values of main components have b een tested and the vationdity of structure design has been verified by test resu lts
文摘:本文採用微粒砼製作了交銀金融大廈的1 / 33模型,進行了等效風荷載靜力試驗研究,測得了結構在風荷載作用下的側向位移以及主要構件的應變值,驗證了結構設計的合理性。Ultimate capacity analysis of long - span steel arch bridges under wind loads
靜風荷載作用下大跨度鋼拱橋極限承載力分析According to these characteristics and equivalent static wind loading ( eswl ) theory of high - rise buildings and bridges, refined idea to study eswl of large span roofs is presented
針對上述特點,並借鑒高層、橋梁結構的等效靜風荷載理論,提出了大跨屋蓋結構等效靜風荷載研究的精細化思想。The static and dynamical parameterized finite element model of the whole frame of the pipe belt conveyor and the fluid dynamic parameterized finite element model of the structural section are established by the software ansys of the finite element analysis. and then the static wind load of the whole frame of the pipe belt conveyor is calculated through the average wind pressure theory and computer simulation technology
利用有限元分析軟體ansys建立圓管帶式輸送機整體機架結構的靜、動力參數化有限元模型及結構斷面的流體動力學參數化有限元模型,並通過平均風壓理論及計算機模擬技術計算出作用於機架結構的靜風荷載。The refined idea can be expressed that eswl should be studied to reflect the mechanism of wind loading action and rules of wind - induced response, and to relate eswl to basic characteristics of wind loads and dynamic properties of structures. eswl obtained by the refined idea possesses more definite physical meanings
該思想可表述為,應從風荷載的作用機理和結構的風振響應規律兩方面入手,來研究等效靜風荷載問題,力求建立等效靜風荷載與風荷載基本特性以及結構自身動力特性之間的聯系,從而使等效靜風荷載具有更明確的物理內涵。The results show that the aerodynamic stability of long - span suspension bridges is significantly influenced by the static wind action, whereas the spatial non - uniformity of wind speed and the cable ' s wind load have basically no influence on it
結果表明:靜風效應對大跨徑懸索橋空氣動力穩定性的影響比較重要,但是風速空間非均勻分佈和纜索風荷載等因素對大跨徑懸索橋的空氣動力穩定性基本沒有影響。In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem
本文依據風洞試驗數據模擬了靜風壓的空間分佈,依據脈動風譜模擬了網架結構的風荷載時程,並對有限元模型進行了有限元瞬態動力學時程分析。With the increase of span - length and height, the wind effects on these more flexible structures have not been confined to static wind loading, and the dynamic wind effects due to various wind - induced vibrations must be considered
隨著結構跨度和高度的增大,風對這些柔性結構的作用就不限於靜力風荷載,而必須考慮各種風致振動問題,以及由此引起的動力風效應。By taking runyang bridge over the yangtze river as example, effects of some factors such as the static wind action, wind speed spatial non - uniformity, and the cable ' s wind load on the, aerodynamic stability of the bridge are investigated analytically
以潤揚長江大橋為例,通過分析揭示了靜風效應、風速空間分佈的非均勻性以及纜索風荷載等因素對大跨徑懸索橋空氣動力穩定性的影響。Then figure out the wind load in term of the load criterion and the wind tunnel test results separately. by comparing with the two results, we can draw a conclusion that the values which generated by the load criterion are bigger than these ones generated by the other. in order to calculate and design in the worst situation, the paper select the bigger basic wind stress and then turn the area - load into liner - load to receive the displacement of the nodes and the internal force of the cells generated by the static wind load
由此,得出用於作業棚結構設計的數據,進而按建築荷載規范和風洞試驗數據分別計算出風荷載標準值以及基本風壓,通過對兩種靜力風荷載計算的結果進行比較,可以看出,按規范計算風荷載的結果在結構的整體計算中偏於保守。按照最不利情況計算的設計準則,本論文選用較大的基本風壓值按受力面積分配的方法把面荷載轉化為線荷載代入midas運算程序中,求得該結構在該靜力風荷載作用下的節點最值位移。The coefficient of wind - induced vibration is a link between the dynamic wind loads and the equivalent static loads and it is a key item in wind - resistant design. the further study on the coefficient of wind - induced vibration is carried out
風振系數是聯系動力荷載與等效靜力荷載的橋梁,在抗風設計中起著關鍵的作用,對它的可靠性作了進一步的研究。The rules obtained from the background modal analysis method based on the quasi - steady assumption in frequency - domain are similar to those obtained by the analysis method in time - domain, and the influence of high modes can be considered. finally, the dissertation suggests that for engineering design, it is better to use equivalent wind load factor defined the ratio of wind - induced total displacement to static displacement for computing the equivalent static wind load of long - span grid roof structures, and the equivalent wind load factor of the roof of taizhou stadium is calculated
最後通過對大跨網架屋蓋結構的風振系數的研究,提出了在實際工程設計中,採用位移風振系數來計算大跨屋蓋的等效靜力風荷載既正確又方便使用,並且給出了臺州體育中心看臺屋蓋進行分塊統計后的位移風振系數,以供設計參考。After discussing the mechanism of the wind acting on the structure and the parameter considered in the wind resistance design, the paper analyses the performance of the static load. the characteristic of structure deformation and the mechanic, the force direction in the structure are also specially analysed deeply
在探討了作用於結構上的風的產生機理和抗風設計中考慮的一些參數后,分析了雙塔結構的靜力性能,特別深入研究了結構在水平風荷載作用下傳力機理、力學特性和變形特點。With increasing span length of suspension bridges, the cable ' s diameter and also the wind load acting on it, the static wind action and the spatial non - uniformity of wind speed increase consequently, which may have an unnegligible influence on the aerodynamic stability of long - span suspension bridges
摘要隨著懸索橋跨徑的增大,纜索直徑以及作用在其上的風荷載、靜風效應以及風速空間分佈的非均勻性都將隨之增強,對大跨徑懸索橋的空氣動力穩定性將可能帶來不容忽視的影響。On the basis of the design and calculation of such space truss system, this paper has analysed and summed up the experiment dataes of the wind tunnel test and made a deeply research and analysis on this kind of structure which undergoing complicated wind load. compare the wind load values which gained by calculating according to load criterion and the wind tunnel test separately and then analyze and compare the two different results got by static wind load and dynamatic ones separately. at last, analyze the two outcomes through these two different methods which in virtue of finite element program midas
本文在鹽田碼頭閘口的工程設計基礎上,分析總結了對該建築物進行風洞試驗的試驗數據,並對利用風洞試驗數據計算所得風荷載值與按規范計算所得的風荷載值進行了比較,然後藉助有限元軟體midas對該結構在靜力風荷載作用下和動力風荷載作用下的節點位移進行了計算分析和比較。According to the theory of the wind load, the static and dynamic analysis under the along wind load of the main frame and test of comfortable extend are achieved and the static and dynamic analysis of the top structure are carried out according to these foregoing analysis and studies, we have given the mechanic performance of the structure comprehensively and objectively
根據結構抗風理論,實現主體框架結構順風向靜動力風荷載分析和舒適度驗算以及頂部多功能廳結構順風向靜動力風荷載計算。同時上述的這些分析,比較全面客觀地得出了結構的力學性能,指出了該結構的合理性與可靠性,為實際的結構設計施工提供了理論上的依據與參考。Analytical method of across - wind response and equivalent static wind loads of high - rise buildings
高層建築橫風向風致響應及等效靜力風荷載的分析方法Numerical study on static interference effects of wind loads of double - tower tall building
雙塔高層建築風荷載靜力干擾效應的數值研究分享友人