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Aseismic Analysis of High-rise Hydroelectric Power Station Intake Tower

Author: WangYinZhi
Tutor: MaZhenYue
School: Dalian University of Technology
Course: Water Resources and Hydropower Engineering
Keywords: Seismic analysis Towering structure Nonlinear Stability Finite Element
CLC: TV312
Type: Master's thesis
Year: 2003
Downloads: 288
Quote: 6
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Abstract


This paper is divided into two parts , part of a study of the seismic performance of high seismic zone towering , spectral analysis and transient analysis , comparative analysis of the calculation results of the various models , analysis and evaluation of seismic capacity towering intake tower structure . Nonlinearity on another part of the overall stability of the towering structure analysis , evaluation of the overall stability of the the actual Engineering towering intake tower structure , the paper combines practical engineering design of the intake tower specific analysis calculated , further research foundation towering structure stability calculation , draw the appropriate conclusions . So as to simplify the calculation of the overall stability of the towering structure , and further research . The main work of the paper include : 1 . Seismic analysis methods . Compared the results of the spectral analysis of the various models and transient analysis , the towering structure of relatively weak rock foundation seismic analysis . Evaluation of the seismic performance of the the Jilintai intake tower structure . 2. Method of calculation of the towering structure stability . In this paper, the formula of the stability of the towering structure , and the preparation of the corresponding computer program , while apdl language convenient theoretical results applied to actual projects . 3. Calculation of the stability of the traditionally based on the assumption of the material is isotropic and linear elastic . Taki general concrete materials , in the actual case can not withstand tension , in order to consider the impact of this part of the paper using apdl Language nonlinear transient analysis to achieve non- fractional method to the element stiffness matrix multiplication The linear time history analysis , and considerable savings in computer resources . Comparing the the nonlinear calculation results with linear elastic calculation results illustrate the strengths and weaknesses of the linear elastic , it is recommended that the towering buildings , stability the multiple standard to measure the stability coefficient , the corner of the tower body and the tower body backplane references from the degree . This work closely with engineering actual specific project as an example , guidance and reference for the research design .

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CLC: > Industrial Technology > Hydraulic Engineering > Hydraulic structures > Structural theory and computational > Structural Dynamics
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