884aa四虎影成人精品,99久久国产综合精品女图图等你,97在线观看永久免费视频,久久精品国产精品亚洲38,ⅵdeodesetv性欧美

    林   皋
    (大連理工大學(xué)土木系  116024)

[提要]  作者根據(jù)參加1998年7月世界結(jié)構(gòu)工程師大會(huì)的體會(huì)，認(rèn)為在廿一世紀(jì)的建筑結(jié)構(gòu)設(shè)計(jì)和建造技術(shù)方面有以下一些值得注意的動(dòng)向：1）功能設(shè)計(jì)；2）提高結(jié)構(gòu)系統(tǒng)可靠度與防止連鎖破壞；3）結(jié)構(gòu)投資的合理分配；4）大跨空間結(jié)構(gòu)建造技術(shù)；5）新材料與新結(jié)構(gòu)；6）結(jié)構(gòu)振動(dòng)控制。
[關(guān)鍵詞]  功能設(shè)計(jì)系 統(tǒng)可靠度 運(yùn)用期費(fèi)用  穹隆結(jié)構(gòu)  高性能混凝土 結(jié)構(gòu)控制

Based on the experience of joining the Structural Engineers World Congress, the author gets the idea on the developing trend of structural design and construction in the 21st century: l)performance - based engineering design; 2)reliability and redundancy of structural systems; 3)cost-effective consideration of
structural design; 4)new technology of construction of large special structures; 5)innovative materials and qtructures; 6) structural  control.
Keywords:  performance-based design; redundancy; progressive failure;life-cycle  cost; dome structure; high performance concrete; structure control