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J. Cent. South Univ. Technol. (2010) 17: 845-851 DOI: 10.1007/s11771-010-0565-6 Effects of temperature change on elastic behavior of steel beams with semi-rigid connections CAI Jian-guo(蔡建国)1, 2... of steel beams with semi-rigid connections under vertical uniform loads and temperature change. Considering the non-uniform temperature distribution across the thickness of beams, the formulas......
验结果相比,这2种计算结果都偏于安全.关键词:钢骨-钢管混凝土;极限承载力;有限元法;弹塑性法Behavior of tubular stub columns of axially loaded steel-reinforced concrete-filled circular steelDING Fa-xing, LI Gang, GONG Yong-zhi, YU Zhi-wu(School of Civil Engineering, Central South University, Changsha 410075, China)Abstract:In order to understand the mutual effects among section steel, concrete and steel tube of steel reinforced concrete......
J. Cent. South Univ. (2017) 24: 2372-2381 DOI: https://doi.org/10.1007/s11771-017-3649-8 Crack stop holes in steel bridge decks: Drilling method and effects FU Zhong-qiu(傅中秋), JI Bo-hai(吉伯海), XIE..., drilling advice was proposed and fatigue testing of the cracks in a steel bridge deck with a crack stop hole was conducted. The results show that the stress at the crack tip with a crack stop hole......
J. Cent. South Univ. (2016) 23: 701-707 DOI: 10.1007/s11771-016-3115-z Experimental study and analysis on fatigue stiffness of RC beams strengthened with CFRP and steel plate LU Yi-yan(卢亦焱), HU Ling...: The objective of this work is to investigate the fatigue behavior of reinforced concrete (RC) beams strengthened with externally bonded carbon fiber reinforced polymer (CFRP) and steel plate......
Selective laser melting of Fe-Ni-Cr layer on AISI H13 tool steel Byeong-Don JOO, Jeong-Hwan JANG, Jae-Ho LEE, Young-Myung SON, Young-Hoon MOON School of Mechanical Engineering, Pusan National...; Abstract: An attempt to fabricate Fe-Ni-Cr coating on AISI H13 tool steel was performed with selective laser melting. Fe-Ni-Cr coating......
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钛的世纪回眸与展望 邓炬1 (1.西北有色金属研究院,西安,710016) 摘要: 银白色的钛是20世纪出现的最引人注目的新型工业金属.它轻而强,不锈又无毒,并具有某些特殊功能.经过人们的开发,它已成为优质轻型结构材料,新型的功能材料已和重要的医学生物材料. [全文内容正在添加中] ......
二十一世纪的矿物学 陈丰1 (1.中国科学院地球化学研究所,) 摘要:根据20世纪矿物学已取得的主要成果和已经意识到但尚未解决的问题,预测21世纪矿物学基础理论研究将在分子轨道理论和分子模拟,三维矿物物质,矿物表面和界面等方面取得突破性进展.这些研究将借助更为快捷,准确,精细的测试手段和仪器.应用于地球科学领域,21世纪矿物学将对诸如造山带(高压变质,蛇绿岩等);深部地质(组成,物理性质);古生物和现代生物,特别是微生物在地质过程中的作用;全球变化(风化,沉积,纪年)等方面的研究作出特殊贡献.同时21世纪矿物学在矿物材料研究方面将为人类的生活带来广泛,深刻的变化. 关键词:二十一世纪;......
钻探工业的新世纪 王达1 (1.中国地质调查局,) 摘要: 人们企盼了一年之久的新世纪终于来临了,全世界的人们都在以各种各样的方式庆祝新世纪的到来.公元纪年以来,人类经历了20次世纪交替,但从来没有像今天这样,庄严地告别一个世纪,隆重地迎接一个世纪.这是一个激动人心的时刻,每一个人都应该为之庆幸,我们赶上了这千载难逢的世纪交会.迎着21世纪的第一缕阳光,抚今追昔,我们感慨万千;展望未来,我们心潮澎湃. 刚刚结束的20世纪,是一个风云变幻,波澜壮阔的百年,在这百年里,科技进步所创造的文明价值远远超过了人类几千年历史的总和.钻探,是中华文明古国的伟大发明之一.四川自贡的盐井已有2000年......