By Houqun Chen, Shengxin Wu, Faning Dang
Written for civil, structural and geotechnical engineers, this booklet provides the newest learn and useful adventure within the layout of high-arch dams in seismically energetic areas, from an writer workforce that's hugely lively and skilled within the layout, improvement and building of 300m excessive arch dams.
The booklet covers the complete topic of dam layout for seismic areas, together with seismic enter mechanisms and modeling, non-linear research thoughts for dam constitution and foundations, concrete fabric homes, and simulation thoughts for dam layout. Of specific price are the real-world experimental info and layout case reports that increase the publication and confirm that readers can observe the theoretical content material to their very own tasks.
- Break throughout the traditional recommendations in civil engineering self-discipline and concentrate on utilizing new options from different topic fields to seismic protection on high-arch dam layout in an cutting edge way
- Shows tips to version and assessment seismic safeguard of dams utilizing seismic enter, dam reaction and dynamic resistance
- Summarizes the technique and ways utilized to high-arch dam layout and development in China, demonstrates the choice of site-specific seismic enter parameters, and allows the reader to use this to their very own particular layout challenge
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Additional resources for Seismic Safety of High Arch Dams
Example text
When an earthquake with a certain earthquake magnitude takes place, the seismic intensity in the engineering site is related not only to the epicenter distance, but also to the site geologic and topographic conditions. , epicenter intensity I0) is related to both earthquake magnitude and seismic source depth. The seismic source depth of the earthquake within the continental plate in China is mostly within the range of 10–30 km deep. In considering the large error in determining the depth of the seismic source, at present, seismic source can be approximately assumed as the point source, and seismic depth can be taken as the constant, in such a way that the statistic relationship between the epicenter intensity and earthquake magnitude can be given out.
Seismic motion input is the important prerequisite as well as a weak link in dam engineering seismic resistance. The dam engineering seismic motion input involves many concepts and problems in the growing interconnection of different disciplines like engineering seismology. But the professional structural engineers of earthquake engineering who are not familiar with it are mainly dependent on the seismic department, while the seismic department is mainly focused on solving more generalized engineering problems in a macroscopic level.
2 THE GUIDING THINKING FOR WORKING OUT ASEISMIC DESIGN PREVENTION LEVEL OR STANDARD FRAMEWORK It can be seen from making a comprehensive survey of the large dam aseismic design code of each country all over the world that the engineering aseismic design and prevention classifications are usually determined in terms of engineering importance and seismic disaster consequences, as well as the dam site earthquake hazard evaluations. Aseismic design and prevention levels or standards and corresponding performance objectives, as well as the adaptation of the structure-response analysis method, are specified in terms of aseismic design and prevention classifications.