论文部分内容阅读
大坝抗震安全已成为公共安全的重大问题，普遍受到世界各国的关注。美国、欧盟、加拿大、日本等国近期都进行了或正在进行大坝抗震设计和安全评价准则的更新。
土石坝震害及抗震防灾研究设想
【摘 要】
：
大坝抗震安全已成为公共安全的重大问题，普遍受到世界各国的关注。美国、欧盟、加拿大、日本等国近期都进行了或正在进行大坝抗震设计和安全评价准则的更新。
【出 处】
：
防灾博览
【发表日期】
：
2009年1期
其他文献
A novel 3D geometrical reconstruction method for aluminum foams and FEM modeling of the material res
A novel method for modeling cellular materials is proposed based on MATLAB image processing and synchrotron X-ray computed tomography scanning to obtain an accu
灾难瞬间,尘归尘,土归土,只是一个转身,抬眼间美景不复。至亲好友,深受佛赐的力量,离开尘世,脱离痛苦,行走在开满格桑花的天路。天蓝不减,五色幡引着风,猎猎如故,残断的佛塔
The problem of boundary layer flows at a flat plate surface with velocity-slip and temperature-jump boundary conditions is analyzed.With the velocity slip condi
我国古代一些有远见的政治人物,很早就注意到了防灾减灾与治理国家的密切关系。早在春秋时期,春秋五霸之一的齐桓公曾向丞相管仲请教治国之道,管仲回答说：＂故善为国者,必先除其
满桌的珍馐佳肴总能引起人们无穷的食欲，但如果不懂得科学搭配，往往会给身体带来很大的伤害，甚至有“致癌”的风险。有几种情况是常见的雷区，务必尽量避免。
2009年笼罩在金融危机阴影下的中国经济仍然面临着重重挑战，遭遇经济寒流，中国的就业问题不容乐观。据国新办发布会称，2009年大学生毕业人数达到610万，大部分企业都在节衣缩食过
One-dimensional analytical theory is developed for supersonic duct flow with variation of cross section, wall friction, heat addition, and relations between the
Experimental investigation on drag reduction in turbulent boundary layer over superhydrophobic surfa
This study aims at the mechanism of drag reduction in turbulent boundary layer(TBL) with superhydrophobic surface.Comparing the time-resolved particle image vel
Bamboo is a naturally occurring biological composite, however its microstructure and hence its properties are very complex compared to the manmade composites. D
A quasi-steady model describing aerodynamics of hovering Ruby-throated hummingbirds is presented to study extent of the low-order model in representing the flow