Internal Curing with Fine Light Weight Aggregates (FLWA) Created from Unsuitable Coal Combustion Ash (CCA)

Alqenai, Yousif M.; Tejuoso, Bankole; Zouyousefain, Amin; Nguyen, Thuy; Farnam, Yaghoob (Amir)

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Internal Curing with Fine Light Weight Aggregates (FLWA) Created from Unsuitable Coal Combustion Ash (CCA)

2024-09-12
By Alqenai, Yousif M. ; Tejuoso, Bankole ; Zouyousefain, Amin ; ...

File Language:

English

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Creators:

Alqenai, Yousif M. ; Tejuoso, Bankole ; Zouyousefain, Amin ; Nguyen, Thuy ; Farnam, Yaghoob (Amir)
Corporate Creators:

Drexel University
Corporate Contributors:

Pennsylvania. Department of Transportation. Bureau of Planning and Research ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:

Benefit Cost Analysis Coal Combustion Deposits Concrete Curing Fly Ash Industrial Materials Landfills Lightweight Aggregates Literature Reviews Manufacturing Sintering Technology Transfer
Publication/ Report Number:

FHWA-PA-2024-007-DREXEL WO 001
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report – 06/13/2022-09/12/2024
Corporate Publisher:

Pennsylvania. Department of Transportation. Bureau of Planning and Research
Abstract:

This work studies the potential use of fine lightweight aggregates (FLWA) created from ‘as received’ landfill condition coal combustion ash (CCA), referred to as CCA-FLWA, for concrete internal curing applications. The innovative CCA-FLWA is manufactured using high-temperature sintering like available industrial kilns. To manufacture CCA-FLWA with desired properties for internal curing, this work first optimizes the manufacturing process and assesses CCA-FLWA properties for concrete applications. Second, concrete samples with CCA-FLWA are prepared and their internal curing performance is assessed in comparison to available FLWA in the market. Finally, a cost analysis and feasibility of implementation for future industrial application of manufactured CCA-FLWA are performed. This work demonstrates that FLWA with desired internal curing properties can be manufactured using CCA waste streams for concrete applications. Not only does CCA-FLWA meet ASTM requirements for FLWA, but also concrete made using CCA-FLWA shows promising fresh and hardened properties for internal curing applications. The industrial manufacturing of CCA-FLWA is also found feasible when compared to commercial FLWA to transfer the technology to the concrete industry.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:ff0c0d26383b3c18cf6bed656ea16b1c1e30d7aef7c793b9a88d789c4bda689d1e7bbc2cebec1ad218de827e9c9f1f29891d898e6e37c604113a149bf0f2e570
Download URL:

https://rosap.ntl.bts.gov/view/dot/89165/dot_89165_DS1.pdf
File Type:

[PDF - 6.25 MB ]

File Language:

English

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