seismic coefficient method 中文意思是什麼

seismic coefficient method 解釋
地震系數法
  • seismic : adj 地震(性)的;由地震引起的;易生地震的。 a seismic area 震域;震區。 the seismic centre [focu...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis , the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however , reasonableness of the prediction by the method depends largely on the input data , such as the wave amplitude , the wave length , the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus , determination of the input data is discussed in detail finally , the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中,提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際,與輸入地震波的有關參數及地基系數選取有很大關系,作者對此進行了比較深入的討論,使輸入參數的選取簡單、明確,便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  2. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  3. According to the theory that the probabilistic distribution of seismic intensity fits extreme value type hi, a method to confirm seismic power that is pertinent to the period of expectant use is discussed. at the same time, the way to deal with seismic details is given by introducing system coefficient and coefficient factor. in summary, this paper provides engineers a seismic design method that is pertinent to the period of the building ' s expectant use

    根據地震烈度的概率分佈符合極值型的理論,探討了在相同概率保證下,不同設計使用年限與設計基準期之間地震作用的關系以及不同設計使用年限與設計基準期之間抗震構造的關系,引入了對應于設計使用年限的地震作用調整系數和抗震構造折減系數及其體系影響系數和局部影響系數,發現了現行抗震鑒定標準所採用的設計使用年限。
  4. This paper analyzes the feasibility and theory evidence as additional load according to code for seismic design of buildings and load code for the design of building structures. the paper puts forward a kind of predigest account method aiming at these problems by the feasibility analyzes of the gabled frames as additional load and defining a magnified coefficient through analyzing the level earthquake force at the floor of this building according to the code for earthquake this force is in the total building and the gabled frames as additional load multiply a certain magnified coefficient

    本文針對目前出現的問題,參照建築抗震設計規范和建築荷載規范通過對上部結構作為附加荷載的可行性分析,分析整體計算樓層的底部水平地震力和把加層部分作為附加荷載乘以放大系數來計算樓層的底部水平地震力,當兩者相等或接近時,即可確定放大系數,從而提出簡化計算方法。
  5. Our method is based on non - linear convolution model and uses artificial nervous net algorithm and simulated annealing algorithm, introducing the acoustic impedance as condition of constrained solution to avoid the hypothesis of wavelet or reflection coefficient in common seismic inversion, and adopting the control of fine seismic interpretation model in extrapolation

    反演方法以非線性褶積模型為基礎,引入井旁聲阻抗作為解的適定性的約束條件,避開一般地震反演對地震子波及反射系數的假設。反演外推採用精細地震解釋模型控制。演算法上,引用人工神經網路和模擬退火演算法。
  6. Using the above method, the analytic expressions of response and dynamic reliability are got. 3, on the basis of the above analytic expressions, taking the isolation or seismic decrease coefficient ( the ratio of the standard deviation of the response of structures ) as the optimal objective function, the parameters of the isolation and seismic decrease equipment are optimized. an optimal design method and some useful data are achieved and it can be used in the practical project

    3 、在基礎隔震結構、 「加層減震」 ( tmd減震)結構隨機地震響應解析表達式的基礎上,以結構在有、無隔震或tmd減震裝置情況下的隔震或減震效果指標(結構位移響應標準差之比)為優化目標函數,對隔震和tmd減震裝置的參數取值進行了優化,得出了可應用於工程實際的優化設計方法和一些有用的數據,可應用於指導工程設計。
  7. Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods

    另一方面,由動力相似理論建立了室內模型,並進行室內動力試驗,藉助量測到的模態參數分解出綜合參數,可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明,本文建立的模型概念明確、計算方法簡便、精度較高,可以為動測法評定橋梁結構承載力提供參考。最後,從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力,從而對橋梁的抗震性能做出評價。
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