Discuss the Properties of Structural Steel and Applications of Waste Concrete from Post-Earthquake Investigations

Xiaoshuang Shi, Qingyuan Wang, Yunrong Luo

College of Architecture and Environment, Sichuan University, Chengdu, China.
College of Architecture and Environment, Sichuan University, Chengdu, China; College of Mechanical Engineering, Sichuan University of Science & Engineering, Zigong, China.

DOI: 10.4236/ojer.2013.22004                

Abstract

This work proposes two aspects about construction materials abased on Wenchuan post-earthquake investigations. According to different feature failure modes in various damaged structures and the cause of the damage to the effects of the loading during the ground motion, the structural failures were found related to low cycle fatigue (LCF) properties of building steel. The hitherto research development is presented briefly. The characters of cycle response of the steels are tested and discussed. During the post-earthquake reconstruction process, the disposal of huge quantities of earthquake demolition waste brought great challenges. Utilizing the waste concrete taken from earthquake-stricken area as recycled coarse aggregate (RCA) in the new concrete is conducted. Furthermore, the application perspective of RCA is discussed.

Keywords

Earthquake; Failure Modes; Low Cycle Fatigue (LCF); Recycled Coarse Aggregate (RCA)

Conflicts of Interest

The authors declare no conflicts of interest.

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