Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite
The utilization of construction waste soil to produce foamed concrete together with cement and a foaming agent is a promising method for waste recycling. Completely decomposed granite (CDG), which is widely available in southern China, was selected as a typical construction waste soil in foamed mate...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-01-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/3/1060 |
| _version_ | 1797486548031111168 |
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| author | Pei Tai Zhongkui Chen Zhaofeng Li Rui Chen Hu Lu Yongjia Li |
| author_facet | Pei Tai Zhongkui Chen Zhaofeng Li Rui Chen Hu Lu Yongjia Li |
| author_sort | Pei Tai |
| collection | DOAJ |
| description | The utilization of construction waste soil to produce foamed concrete together with cement and a foaming agent is a promising method for waste recycling. Completely decomposed granite (CDG), which is widely available in southern China, was selected as a typical construction waste soil in foamed material production. The Taguchi method was applied to study the influence of various parameters on compressive strength, including cement dosage, CDG dosage, water to solid materials ratio (W/M), fine particles content, and gravel particles content. Analysis of variance (ANOVA) on a CDG-based sample showed that all factors have significant effects on compressive strength and the most effective parameter was cement dosage, followed in sequence by CDG dosage, W/M, gravel particles content, and fine particles content. However, only cement dosage and W/M influence the internal structure significantly during water/vacuum-immersion tests. The relationship between micro-pore structure and compressive strength suggested that with the decrease of open porosity, the compressive strength showed an increasing trend. This study reveals the possibility of CDG as a raw material for foamed lightweight soil and provides a technical reference of production procedure. |
| first_indexed | 2024-03-09T23:35:46Z |
| format | Article |
| id | doaj.art-25a61cd840224370a6d685c17452c10c |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T23:35:46Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-25a61cd840224370a6d685c17452c10c2023-11-23T17:01:37ZengMDPI AGMaterials1996-19442022-01-01153106010.3390/ma15031060Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed GranitePei Tai0Zhongkui Chen1Zhaofeng Li2Rui Chen3Hu Lu4Yongjia Li5School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, ChinaDepartment of Technical Research and Development, Shenzhen Yanzhi Science and Technology Co., Ltd., Shenzhen 518101, ChinaSchool of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, ChinaSchool of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, ChinaSchool of Construction and Environmental Engineering, Shenzhen Polytechnic, Shenzhen 518055, ChinaSchool of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, ChinaThe utilization of construction waste soil to produce foamed concrete together with cement and a foaming agent is a promising method for waste recycling. Completely decomposed granite (CDG), which is widely available in southern China, was selected as a typical construction waste soil in foamed material production. The Taguchi method was applied to study the influence of various parameters on compressive strength, including cement dosage, CDG dosage, water to solid materials ratio (W/M), fine particles content, and gravel particles content. Analysis of variance (ANOVA) on a CDG-based sample showed that all factors have significant effects on compressive strength and the most effective parameter was cement dosage, followed in sequence by CDG dosage, W/M, gravel particles content, and fine particles content. However, only cement dosage and W/M influence the internal structure significantly during water/vacuum-immersion tests. The relationship between micro-pore structure and compressive strength suggested that with the decrease of open porosity, the compressive strength showed an increasing trend. This study reveals the possibility of CDG as a raw material for foamed lightweight soil and provides a technical reference of production procedure.https://www.mdpi.com/1996-1944/15/3/1060completely decomposed granite (CDG)foamed lightweight soilTaguchi methodcompressive strengthwater absorption |
| spellingShingle | Pei Tai Zhongkui Chen Zhaofeng Li Rui Chen Hu Lu Yongjia Li Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite Materials completely decomposed granite (CDG) foamed lightweight soil Taguchi method compressive strength water absorption |
| title | Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite |
| title_full | Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite |
| title_fullStr | Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite |
| title_full_unstemmed | Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite |
| title_short | Experimental Investigation on the Influencing Factors of Compressive Strength of Foamed Lightweight Material Utilizing Completely Decomposed Granite |
| title_sort | experimental investigation on the influencing factors of compressive strength of foamed lightweight material utilizing completely decomposed granite |
| topic | completely decomposed granite (CDG) foamed lightweight soil Taguchi method compressive strength water absorption |
| url | https://www.mdpi.com/1996-1944/15/3/1060 |
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