Recycling, reusing and environmental safety of industrial by-product gypsum in construction and building materials

Construction and Building Materials, Год журнала: 2024, Номер 432, С. 136609 - 136609

Опубликована: Май 17, 2024

Язык: Английский

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Phosphogypsum-based building materials: Resource utilization, development, and limitation

Journal of Building Engineering, Год журнала: 2024, Номер 91, С. 109734 - 109734

Опубликована: Май 24, 2024

Язык: Английский

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A review of the suitability and performance of phosphogypsum as a material for road base and subbase construction

Resources Conservation and Recycling, Год журнала: 2025, Номер 215, С. 108120 - 108120

Опубликована: Янв. 6, 2025

Язык: Английский

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Use of Wheat Fiber and Nanobentonite to Stabilize Clay Subgrades

Results in Engineering, Год журнала: 2024, Номер unknown, С. 102931 - 102931

Опубликована: Сен. 1, 2024

Язык: Английский

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Mechanical and microstructural properties of lime-treated excavated soil improved with different industry by-products

Construction and Building Materials, Год журнала: 2024, Номер 419, С. 135507 - 135507

Опубликована: Фев. 23, 2024

Язык: Английский

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Enhancing Shear Strength of Sandy Soil Treated with Zein Biopolymer

Results in Engineering, Год журнала: 2024, Номер unknown, С. 102891 - 102891

Опубликована: Сен. 1, 2024

Язык: Английский

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Energy conservation and carbon emission reduction of cold recycled petroleum asphalt concrete pavement with cement-stabilized phosphogypsum

Construction and Building Materials, Год журнала: 2024, Номер 433, С. 136696 - 136696

Опубликована: Май 23, 2024

Phosphogypsum, a byproduct generated during the production of chemical fertilizers, can pose significant environmental threat when not managed appropriately. This study endeavors to explore potential repurposing phosphogypsum by incorporating it into cement-stabilized base asphalt concrete pavement. We conducted an in-depth optimized scheme using specific engineering project as case study. substitutes for part cement in original base, creating mixed material (CSPM) road construction. The primary aim is assess energy consumption, carbon emissions, and implications throughout various construction phases within life cycle assessment (LCA). Additionally, sensitivity analysis scrutinize influence underlying layer, layer thickness transport distance on consumption emissions. results indicate noteworthy reduction, showing 42.5% decrease 12.7% Moreover, crushed stone (CS) milling planer (MPM) have greatest impact transportation stage. Notably, phase yields most substantial benefits, demonstrating 48.0% 67.5% facilitates reuse reclaimed pavement (RAP) materials phosphogypsum, resulting 44.3% reduction mineral usage, 6.9% petroleum asphalt, preventing 16.859 square meters waste occupancy.

Язык: Английский

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Enhancement of Micro-mechanical Characteristics of Expansive Soil through Synergistic Incorporation of Jute and Nylon Fibers with Cement

Results in Engineering, Год журнала: 2025, Номер unknown, С. 104685 - 104685

Опубликована: Март 1, 2025

Язык: Английский

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Synthesis of Sustainable Subgrade Geocomposite Material Using Phosphogypsum Stabilized with Red Mud

Indian geotechnical journal, Год журнала: 2024, Номер unknown

Опубликована: Янв. 20, 2024

Язык: Английский

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Utilization of Phosphogypsum and Sediment in Subgrade Material for Pavement Construction

Applied Sciences, Год журнала: 2025, Номер 15(1), С. 347 - 347

Опубликована: Янв. 1, 2025

(1) Background: The construction industry continuously seeks sustainable alternatives to traditional materials for subgrade material in pavement construction, aiming mitigate environmental impact while maintaining performance standards. This study investigates the feasibility of incorporating phosphogypsum (PG) and contaminated sediment into materials, focusing on their physico-chemical physico-mechanical properties. (2) Methods: properties, performance, mechanisms solidified with (3% 5% mixture) were studied using long-term leaching tests (ANS 16.1), uniaxial compressive strength (UCS), California Bearing Ratio (CBR), X-ray fluorescence (XRF), thermogravimetric analysis (TGA). (3) Results: Based pseudo-total metal content (Cr, Ni, Cu, Zn, As, Cd, Pb), is classified as third- fourth-class, indicating it polluted requires treatment before disposal environment. To assess behavior treated (S/S), a semi-dynamic ANS 16.1 test was performed. results showed that metals exhibit moderate mobility, average diffusion coefficients (De) ranging from 10−8 cm2/s Zn (in both mixtures) 10−12 Cr mixture F-3). index (LX) values mixtures above 9 most metals, confirming suitability “controlled” use. Granulometric indicated predominance fine particles, which enhances material’s plasticity mechanical Atterberg consistency increasing improved Liquid Limit Plastic Index. However, UCS neither 3% nor met minimum requirements material. On other hand, CBR demonstrated promising 12.5% 22.9% mixture. Overall, positively influenced development sediment-PG mixtures, confirmed by XRF TGA analyses. (4) Conclusions: Environmental considerations, such leachability contaminants, investigated ensure sustainability proposed materials. Leaching minimal pollutant release, suggesting potential safe utilization PG provides valuable insights properties mixes sediment, supporting these alternative offering viable solution waste generation enhancing performance.

Язык: Английский

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