Abstract
The enormous amount of concrete production has a serious impact on energy, resources, environment and ecosystem. Therefore, the issue of development of sustainable concrete technology with little impact on the environment is becoming a major issue. In this paper, researches related with sustainable development of concrete are presented in last three decades. FRP has high corrosion resistance and lightweight, thus it can be potential solution for sustainable development of concrete structures as strengthening material or reinforcement instead of steel. Researches and techniques are presented on performance of concrete beam with FRP rebar and enhancing performance of existing concrete structure using FRP strengthening methods. The application of recycled concrete aggregate (RCA) has sometimes been limited in the practice and remained in the low-valued purposes only such as road base materials. In past 10 years, a great improvement in the recycling technique to produce RCA of which quality is close to natural aggregate, hence the applicability and evaluation of RCA are presented in this paper. This paper includes experimental studies for application of waste glass which could decrease CO 2 emission from cement producing. The achievements of these studies are presented in this paper to contribute for sustainable development of concrete infrastructures.
Highlights
Sustainable development means the organizing principle for sustaining finite resources necessary to provide for the needs to the generations on the earth
4.1 GFRP rebar with surface ribs made of milled glass fibers Deterioration in reinforcing steel bar in concrete members can lead to other serious structural damage, eventually causing structural failure
The spacing and height of a rib were determined to be 6 mm and 1.3 mm, respectively [19]. Structural capacity such as strength and serviceability for the GFRP bar reinforced concrete beam was experimentally investigated under flexure [20]
Summary
Sustainable development means the organizing principle for sustaining finite resources necessary to provide for the needs to the generations on the earth. The concept of sustainable development is strongly originated by the 1987 Brundtland Report. This report included what is one of the most widely recognized definitions of sustainable development. “Sustainable development is development that meets the needs of the present without compromising the ability of future. It contains within it two key concepts: The concept of 'needs', in particular, the essential needs of the world's poor, to which overriding priority should be given; and The idea of limitations imposed by the state of technology and social organization on the environment's ability to meet present and future needs.”.
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