Preparation and properties of high blending phosphogypsum-desulfurization ash-waste soil based functional prefabricated autoclaved aerated concrete slabs

Wang, Chao-Qiang; Cheng, Lin-Xiao; Wang, Ze-Yuan; Qi, Cong-Jun; Huang, De-Ming; Wei, Sha

doi:10.1016/j.conbuildmat.2024.135879

Construction and Building Materials

2024

DOI: 10.1016/j.conbuildmat.2024.135879

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Preparation and properties of high blending phosphogypsum-desulfurization ash-waste soil based functional prefabricated autoclaved aerated concrete slabs

Chao-Qiang Wang,

Lin-Xiao Cheng,

Ze-Yuan Wang

et al.

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Cited by 3 publications

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Effects of foam stabilizers on the properties and microstructure of autoclaved aerated concrete from iron tailings

Zhong,

Meng,

Ning

et al. 2024

J Mater Sci

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Effects of foam stabilizers on the properties and microstructure of autoclaved aerated concrete from iron tailings

Zhong,

Meng,

Ning

et al. 2024

J Mater Sci

View full text Add to dashboard Cite

Oil-based drilling cutting pyrolysis residues- phosphogypsum foamed ceramics: Basic properties, microsintering mechanism and heavy metals solidification

Wang,

Cheng,

et al. 2024

Construction and Building Materials

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A Hierarchical Strengthening Path for Chemical Foaming: The Transformation toward Sustainable High-Performance Foamed Material Derived from Solid Waste

Yang,

Wang,

et al. 2024

ACS Sustainable Chem. Eng.

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The pores of conventional foam composites easily crack and collapse under internal stress. Fabricating foamed materials (FMs) with high specific strength and excellent pore structure at ambient conditions remains a significant challenge. This study achieved hierarchical reinforcement of waste-based FMs' matrix and pores through systematic control of the "foaming−setting−curing" process. The results demonstrate that adjusting the plastic viscosity and setting time of fresh pastes can improve the pore size distribution and optimize pore microstructures. Concerning modification at the gas−liquid interface, organic additives and hydration products could mutually adsorb and bond at the pore interfaces, thickening pore walls and completing embedded structures. Moreover, the effective variable-pressure foaming process not only stabilizes chemical foaming but also enhances specific strength by accelerating hydration and improving pore wall integrity. Concerning aeration methods, the introduction of copper tailings catalyzed the decomposition of H 2 O 2 at room temperature. Additionally, the coupled effects of multidimensional stable foaming techniques suitable for H 2 O 2 foaming and the underlying mechanism are elucidated. Overall, this research offers a systematic, low-energy strategy for enhancing performance and reinforcing pores in waste-based FMs.

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Preparation and properties of high blending phosphogypsum-desulfurization ash-waste soil based functional prefabricated autoclaved aerated concrete slabs

Cited by 3 publications

References 68 publications

Effects of foam stabilizers on the properties and microstructure of autoclaved aerated concrete from iron tailings

Effects of foam stabilizers on the properties and microstructure of autoclaved aerated concrete from iron tailings

Oil-based drilling cutting pyrolysis residues- phosphogypsum foamed ceramics: Basic properties, microsintering mechanism and heavy metals solidification

A Hierarchical Strengthening Path for Chemical Foaming: The Transformation toward Sustainable High-Performance Foamed Material Derived from Solid Waste

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