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PREDICTION OF FATIGUE LIVES OF rc BEAMS STRENGTHENED WITH CFL UNDER RANDOM LOADING

Acta Mechanica Solida Sinica 2008年第4期21卷 359-363页

作者： Rongwei Lin Peiyan Huang Chen Zhao Xinyan Guo Xiaohong Zheng College of Traffic and Communications South China University of Technology Guangzhou 510640 China

The investigation on fatigue lives of reinforced concrete （rc） structures strength- ened with fiber laminate under random loading is important for the repairing or the strengthening of bridges and the safety of the traffic. In this paper, two methods are developed for predicting the fatigue lives of rc structures strengthened with carbon fiber [aminate （CFL） under random loading based on a residual life and a residual strength model. To discuss the efficiency of the model, 12 rc beams strengthened with CFL are tested under random loading by the MTS810 testing system. The predicted residual strength approximately agrees with test results.

关键词： carbon fiber laminate predicted method fatigue life random load rc structure

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Analytical Modeling for Corrosion-Induced Cover Cracking of Corrosive Reinforced Concrete structures

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Transactions of Tianjin University 2012年第4期18卷 285-290页

作者：张小刚王娇周英武 Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering College of Civil EngineeringShenzhen University

An analytical model for predicting the corrosion-induced cracking of concrete cover of reinforced concrete(rc) structures was *** effects of influence factors such as practical initial defects,corrosion rate,strength and elastic modulus of concrete on the corrosion-induced cracking of concrete cover were *** was found that the size of practical initial defects was the most effective ***,improving the compactness of concrete is an effective way to improve the durability of rc *** was also demonstrated that the accelerated corrosion tests may be unfavorable in the study of the relationship between cracking time and crack width.

关键词： initial crack width corrosion-induced cracking rc structure analytical model

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Comparative Study between Waffle and Solid Slab Systems in Terms of Economy and Seismic Performance of a Typical 14-Story rc Building

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Journal of Civil Engineering and Architecture 2017年第12期11卷 1068-1076页

作者： Zekirija Idrizi Isak Idrizi Faculty of Civil Engineering and Architecture Hasan Prishtina University Prishine 10000 Kosova Faculty of Civil Engineering and Architecture Mother Teresa University Shkup 1000 Macedonia

In order to maximize the return of investments and at the same time improve the quality in the construction industry of midrise buildings, it is very important to derive an optimal solution to the building structural system, which would facilitate faster and easier construction activities with minimal quantity of construction material, while maintaining the satisfactory level of building safety and performance. This paper makes a comparative study between a ＂solid＂ and a ＂waffle＂ slab system. A typical 14-story rc building structure is selected as an example for this study purpose. The first part of this study is focused in deriving an optimal solution for a solid and waffle slab system which are later on considered as constituents of all stories of the 14-story building. In the second part, it is elaborated the effect of both slab systems over the 14-story building model. This study aims to emphasize the advantages of mid-rise buildings constituted of waffle slab system over the buildings characterized with solid types of slabs, in terms of economy, structural safety and performance.

关键词： Waffle slab solid slab rc structure optimization seismic analysis and design.

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