Experimental Study On Crumb Rubber Hollow Concrete Block

0*, M. Doddurani**, R. Thenmozhi***
* Professor & Head, Department of Civil Engineering, Dr.N.G.P. Institute of Technology, Coimbatore, Tamilnadu, India.
** Assistant Engineer, PWD/WRO, Upper Cauvery Basin Circle, Salem, Tamilnadu, India.
*** Associate Professor, Department of Civil Engineering, Government College of Technology, Coimbatore, Tamilnadu, India
Periodicity:September - November'2013
DOI : https://doi.org/10.26634/jce.3.4.2522

Abstract

Accumulation of discarded scrap tyres are non- biodegradable and have been a major concern. Even after a long – period of land fill treatment unmanaged waste tyre poses environmental and health risk through fire hazard and as a breeding ground for disease carrying mosquitoes. Therefore utilization of crumb rubber from this scrap tyres for the production of building materials in the construction industry would help to preserve the natural resources and also maintain the ecological balance. The study reported in this paper is a development of Crumb Rubber Hollow Concrete Block (CRHCB). The main objective of this paper is to investigate the mechanical properties of hollow blocks at hardened state obtained by a partial substitution of fine and coarse aggregates with different volume percentages of waste tyres rubber particles having the same dimensions of replaced aggregates. Density, water absorption and compressive strength were evaluated and comparison of results of CRHCB with the Conventional Hollow Blocks (CHB) was made. Moreover a preliminary geometrical, physical and mechanical characterization on scrap tyre rubber shreds were made. The CRHCB showed lower unit weight compared to conventional specimens. The results of compressive strength of CRHCB are slightly lesser when replacing coarse aggregate rather than fine aggregate. Also theoretical model on normalized compressive strength versus percentage replacement of rubber shreds is also presented. It has been found that CRHCB can be produced as load – bearing hollow blocks as well as light weight hollow blocks.

Keywords

Scrap Tyres, Crumb Rubber Hollow Concrete Block, Physical and Mechanical Properties.

How to Cite this Article?

Vadivel,S.T., Doddurani.M., and Thenmozhi.R. (2013). Durability Studies On Steel Fiber- Reinforced Self-Compacting Concrete. i-manager’s Journal on Civil Engineering, 3(4), 16-21. https://doi.org/10.26634/jce.3.4.2522

References

[1]. Rostami, H., Lepore, J., Silverstraim, T., & Zandi, I. (1993). Use of Recycled Rubber Tyres in Concrete, in Proceedings International Conference Concrete 2000, University of Dundee, UK, 391-399.
[2]. Eldin, N.N., & Senuci, A.B. (1993). Rubber-tyre Particles as Concrete Aggregate, Journal of Materials in Civil Engineering, 5 (2), 478-496.
[3]. Eldin, N.N., & Senuci, A.B. (2002). Experts Join Panels to Guide Industry and Asphalt Rubber Technology Transfer, Advisory Committee-RPA, Annual Meeting.
[4]. IS 2185 Part I: Hollow Block Masonry, Bureau of Indian Standards, (2005), Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi.
[5]. ASTM Standard C90: Standard Specification for hollow Load–Bearing Concrete Masonry Unit, ASTM International, (1975), West Conshohocken, PA.
[6]. ASTM Standard C145: Standard Specification for solid Load–Bearing Concrete Masonry Unit, ASTM International, (1975), West Conshohocken, PA.
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