A scientometric review of recycled glass waste as an alternative raw material in concrete production

Kuoribo, Ewald; Shokry, Hassan; Asawa, Takashi; Mahmoud, Hatem

doi:10.1080/19648189.2024.2318402

Cited by 3 publications

(1 citation statement)

References 87 publications

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“…Tab. 4 The test scheme of mixing glass sand Based on the results of comprehensive experiments, it has been found that there is an optimal range for the replacement rate of glass sand and glass powder with different particle sizes. Moreover, numerous studies have indicated that the replacement rate of glass should not exceed 20% 9,14,[30][31][32][33] Therefore, with the total replacement rate of glass sand and glass powder set at 20%, in order to investigate the effect of the relative proportions of glass sand with a particle size of 0.6mm (Factor A), glass sand with a particle size of 1.18mm (Factor B), glass powder with a particle size of 50-60μm (Factor C), and glass powder with a particle size of 60-70μm (Factor C) on the mechanical and durability properties of concrete, an L16(5 4 ) orthogonal array was utilized for the experimental design.…”

Section: Comprehensive Testmentioning

confidence: 99%

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Tong,

Pang,

Shen

et al. 2024

Preprint

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To investigate the response of concrete's mechanical and durability properties to different particle sizes of waste glass materials, two stages of experiments were conducted. First, comprehensive tests were carried out to separately study the effects of monodisperse glass sand and glass powder on the mechanical and durability properties of concrete. Secondly, based on the results of the comprehensive tests, orthogonal tests were designed to explore the response of composite particle sizes of glass sand and glass powder to the mechanical and durability properties of concrete, and the optimal replacement quantities were obtained. Finally, the influence mechanism of composite particle-sized glass sand and glass powder on concrete properties was revealed through scanning electron microscopy (SEM). The research results show that under monodisperse glass sand/glass powder particle sizes: the incorporation of an appropriate amount of glass sand can enhance the mechanical and durability properties of concrete, but excessive replacement and larger particle sizes can have adverse effects on the properties of concrete; due to the pozzolanic effect of glass powder, the incorporation of glass powder can improve the mechanical and durability properties of concrete, but excessive replacement quantities are not conducive to the development of early strength of concrete, and it is recommended that the replacement rate be controlled within 20%. Compared to monodisperse replacement with a single particle size, under the conditions of compounding addition, the compressive, tensile, and shear strengths of concrete were increased, with improvement magnitudes of 35.56%, 21.74%, and 13.79%, respectively. In addition, the durability of concrete was significantly enhanced, with the maximum reduction in water absorption rate being 20.73%, and the maximum decrease in chloride ion permeation being 63.10%. Under the condition of a total replacement rate of 20%, the optimal relative replacement quantities determined by orthogonal test, range analysis, and response surface methodology were 2.86% of 0.6mm glass sand, 1.43% of 1.18mm glass sand, 8.57% of 50-60μm glass powder, and 7.14% of 60-70μm glass powder. The incorporation of composite particle-sized glass sand and glass powder played a role similar to gradation in the concrete matrix, improving the microstructure of concrete, thereby enhancing the mechanical and durability properties of concrete.

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Section: Comprehensive Testmentioning

confidence: 99%

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Tong,

Pang,

Shen

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Tong,

Pang,

Shen

et al. 2024

Sci Rep

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Temporal–Spatial Characteristics of Carbon Emissions and Low-Carbon Efficiency in Sichuan Province, China

Li,

Zhang

2024

Sustainability

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Clarifying the temporal and spatial characteristics of regional carbon emissions and low-carbon efficiency is of great significance for the realization of carbon peaking and carbon neutrality. This study calculated the carbon emissions in Sichuan Province from 2015 to 2022 based on four major units: energy activity, industrial production, forestry activity, and waste disposal, and its time evolution characteristics and key sources were investigated. Meanwhile, based on the Super-SBM-Undesirable model, the low-carbon efficiency of Sichuan Province and its 21 cities (states) was evaluated, and its spatial heterogeneity characteristics were investigated. The empirical results reveal the following: (1) energy activity was the main contributor to regional carbon emissions, with thermal power generation and industrial energy terminal consumption as the key sectors. Inter-regional power allocation could indirectly reduce the regional emission intensity. The carbon emissions of industrial production showed significant aggregation in cement and steel production. The forest carbon sink had a significant effect on alleviating the regional greenhouse effect. The carbon emissions of waste disposal were small. (2) From 2015 to 2022, the low-carbon efficiency of Sichuan Province showed an overall upward trend. Chengdu had a high level of economic development, a reasonable industrial organization, and a continuous increase in its urban greening rate. Heavy industrial cities such as Panzhihua and Deyang made great efforts to eliminate backward production capacity and low-carbon transformation of key industries. Therefore, they were the first mover advantage regions of low-carbon transformation. Zigong, Mianyang, Suining, and Leshan enjoyed favorable preferential policies and energy-saving space, and were developmental regions of low-carbon transformation. But they need to actively deal with the problem of industrial solidification. The low-carbon efficiency of plateau areas in western Sichuan was relatively low, but they have unique resource endowment advantages in clean energy such as hydropower, so the development potential is strong. Cities such as Ya’an and Bazhong faced a series of challenges such as weak geographical advantages and the risk of pollution haven. They were potential regions of low-carbon transformation.

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A scientometric review of recycled glass waste as an alternative raw material in concrete production

Cited by 3 publications

References 87 publications

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Response tests on the effects of particle size of waste glass sand and glass powder on the mechanical and durability performance of concrete

Temporal–Spatial Characteristics of Carbon Emissions and Low-Carbon Efficiency in Sichuan Province, China

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