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

Sivakumar Naganathan, Hashim Abdul Razak, Siti Nadzriah Abd Hamid

Research output: Contribution to conferencePaper

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.

Original languageEnglish
Publication statusPublished - 01 Dec 2008
Event11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11 - Taipei, Taiwan, Province of China
Duration: 19 Nov 200821 Nov 2008

Other

Other11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11
CountryTaiwan, Province of China
CityTaipei
Period19/11/0821/11/08

Fingerprint

Refuse incinerators
Kaolin
Slags
Bearings (structural)
Compressive strength
Cements
Water absorption
Heavy metals
Metal analysis
Water content

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

Cite this

Naganathan, S., Razak, H. A., & Hamid, S. N. A. (2008). Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin. Paper presented at 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, Taipei, Taiwan, Province of China.
Naganathan, Sivakumar ; Razak, Hashim Abdul ; Hamid, Siti Nadzriah Abd. / Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin. Paper presented at 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, Taipei, Taiwan, Province of China.
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Naganathan, S, Razak, HA & Hamid, SNA 2008, 'Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin' Paper presented at 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, Taipei, Taiwan, Province of China, 19/11/08 - 21/11/08, .

Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin. / Naganathan, Sivakumar; Razak, Hashim Abdul; Hamid, Siti Nadzriah Abd.

2008. Paper presented at 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, Taipei, Taiwan, Province of China.

Research output: Contribution to conferencePaper

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N2 - 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.

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Naganathan S, Razak HA, Hamid SNA. Controlled low-strength material using industrial hazardous waste incinerator bottom slag and refined kaolin. 2008. Paper presented at 11th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC-11, Taipei, Taiwan, Province of China.