Performance Appraisal of Controlled Low-strength Material Using Sewage Sludge and Refuse Incineration Bottom Ash

甄广印; 周海燕; 赵天涛; 赵由才

doi:10.1016/S1004-9541(12)60366-8

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Performance Appraisal of Controlled Low-strength Material Using Sewage Sludge and Refuse Incineration Bottom Ash

Updated：2026-01-06

- Performance Appraisal of Controlled Low-strength Material Using Sewage Sludge and Refuse Incineration Bottom Ash
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 80-88(2012)
- Affiliations：
  
  1. The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engi-neering, Tongji University,Shanghai,China,200092
  2. Shanghai Laogang Waste Treatment Company,Shanghai,China,201302
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60366-8
  CLC： X705
- Published：2012
- Accepted：
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ZHEN Guangyin, ZHOU Haiyan, ZHAO Tiantao, ZHAO Youca. Performance Appraisal of Controlled Low-strength Material Using Sewage Sludge and Refuse Incineration Bottom Ash[J]. , 2012, 20(1): 80-88.
DOI：

ZHEN Guangyin, ZHOU Haiyan, ZHAO Tiantao, ZHAO Youca. Performance Appraisal of Controlled Low-strength Material Using Sewage Sludge and Refuse Incineration Bottom Ash[J]. , 2012, 20(1): 80-88. DOI： 10.1016/S1004-9541(12)60366-8.

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Abstract

This research evaluated the use of sewage sludge and refuse incineration bottom ash to replace calcium sulfoaluminate cement(CSA) in making controlled low-strength material(CLSM).Various properties of CLSM mixtures were characterized in terms of unconfined compressive strength

microstructure and leachability.It was found that the strength of tested CLSM mixtures ranged from 3.6 to 9.0 MPa

over the upper excavatable limit of 2.1 MPa.The micro-structural analysis revealed that sewage sludge and bottom ash were crystallochemically incorporated within CLSM systems by forming the needle-like ettringite(C

A·3CS·H

) with exiguous tubers via the typical Pozzolanic Reaction

leading to a dense and low-porosity microstructure.Furthermore

the toxicity characteristic leaching procedure evidenced that the cumulative leachable metals in the leachate were much below the regulatory thresholds.The potential for using sewage sludge and bottom ash in CLSM making was thus confirmed.

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