Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin

Naganathan, S. and Razak, H.A. and Hamid, S.N.A. (2008) Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin. In: 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, 2008, Taipei.

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Abstract

The main purpose of this paper is to study the effect of kaolin addition on the performance of Controlled Low-Strength Material (CLSM) made using industrial hazardous waste incinerator bottom slag. Various mix formulatiuons of CLSM were made with the incinerator bottom slag, kaolin, and cement. Amount of cement added varied from 0 to 40 percent of weight of slag. Amount of kaolin added were 25, 50, 75, and 100 percent of weight of cement. Water content was adjusted to get sufficient flowability. The CLSM mixes prepared were tested for setting time, bleeding, and corrosivity in fresh state. Tests like compressive strength, California Bearing Ratio (CBR), Initial Surface Absorption (ISAT), settlement, and water absorption, were conducted on the hardened CLSM. Compressive strength tests were conducted at 7, 14, and 28 days on 70.7 mm cubes. Heavy metals analysis for bleed and leachate water was also conducted on the CLSM mixes. The 28 days compressive strength of CLSM tested ranged from 0.36 to 4.40 MPa. CBR values ranged from 10 to 46, and ISAT values at 1 hour from 0.56 to 4.76 mL/m2/s. None of the twelve heavy metals tested exceeded the threshold limits. It is concluded that the kaolin addition in CLSM using incinerator slag showed reduction in the compressive strength, but improved performance with regard to ISAT, CBR, and water absorption. It is concluded that the incinerator slag can be developed as a new sustainable construction material in CLSM.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 93278 Export Date: 16 December 2013 Source: Scopus Language of Original Document: English Correspondence Address: Naganathan, S.; Universiti Tenaga NasionalMalaysia References: Naganathan, S., Abdul, H., Razak, Hamid, S.N., Performance Assessment of Incinerator Slag as Controlled Low-strength Material (2008) Proceedings of the 7th International Congress on Concrete. Theme 1, , University of Dundee, Scotland, July; (2003) Portland cement (ordinary and rapid-hardening): Part 1: Specification, , Malaysian Standards, MS 522: Part 1; Standard test method for flow consistency of controlled low-strength material. ASTM D 6103-00 (2003) Annual book of ASTM standards: Concrete and aggregates, , American society for testing and materials, PA. 2003; Controlled Low-strength Materials (1999) ACI 229R-99, , American Concrete Institute; Tikalsky, P.J., Bahia, H.U., Deng, A., Snyder, T., (2004) Excess foundry sand characterization and experimental investigation in controlled low-strength material and hot-mixing asphalt, , U.S. department of energy, Final report, Contract No. DE-FC36-01 ID13794, October; (1989) Testing of Concrete, p. 153. , Surrey University Press, 2nd edition. NY; www.dur.ac.uk/-des0www4/cal/roads/pavdes/pavfound.html, From internet site, downloaded in April 2007UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-84871024491&partnerID=40&md5=d0f68f9a394e8b8b7b24d46480525871
Uncontrolled Keywords: California bearing ratio(CBR), Compressive strength, Controlled low-strength material (CLSM), Corrosivity, Initial surface absorption (ISAT), California bearing ratio, CBr, Controlled low-strength material, Flowability, Industrial hazardous waste, Initial surface absorptions, Leachate water, Metals analysis, Setting time, Sustainable construction, Threshold limits, Cements, Hazardous materials, Heavy metals, Kaolin, Structural design, Water absorption, Slags
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 27 Jan 2014 01:04
Last Modified: 31 Dec 2014 06:59
URI: http://eprints.um.edu.my/id/eprint/9071

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