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Article
Engineering, Geological
Xiancheng Mei et al.
Summary: Waste tires are a potential threat to the environment, and recycling and reusing them have become increasingly important. A new material called rubber-sand-concrete (RSC) is proposed for aseismic design of underground tunnels. The proportions of rubber content, cement content, and rubber particle size in the RSC formula were investigated, and their effects on mechanical and damping properties were discussed. The results show that rubber and cement content have a significant influence, while rubber particle size has minimal effect within a certain range.
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
(2023)
Article
Engineering, Environmental
Siddharth Singh et al.
Summary: This study investigates the use of treated rice straw and forestry leaves in alkali-activated fly ash bricks for non-load bearing partitions walls. The addition of 1-4 wt% agro-forestry wastes in the bricks, along with 10 and 20 wt% ground granulated blast slag, results in compressive strength ranging from 8 to 15 MPa. The thermal conductivity of the panels with agro-forestry waste addition varies from 0.4 to 0.5 W/m.K. The sound insulation properties of the agro-forestry waste fly ash samples show moderate performance with sound transmission class ranging from 24 to 37 dB. The burnt clay bricks and agro-forestry based fly ash bricks demonstrate load carrying capacity at elevated temperatures, showcasing their potential as sustainable building materials.
Article
Construction & Building Technology
Bo Chen et al.
Summary: This study investigated the use of recycled red bricks as a substitute filler for waterborne coatings to improve their scrubbing resistance. The prepared red brick powder (RBP) waterborne coating showed exceptional scrubbing resistance, with a maximum resistance of over 9000 times, approximately 4.5 times higher than the national standard in China. The addition of pigment volume concentration (PVC) between 40 to 53% significantly enhanced the coating's performance.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Fan Gu et al.
Summary: China produces over 2 billion tons of construction and demolition waste annually, but less than 30% is currently recycled. This study proposes a method to use the waste as a precursor material to synthesize high strength and environmentally friendly geopolymer. The waste is classified into three main components: brick, ceramic, and concrete.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Construction & Building Technology
Uma Chandru et al.
Summary: River sand is widely used as fine aggregates in concrete, but its excessive mining has led to its prohibition in construction in several countries. Therefore, the review explores the potential reuse of different types of recycled fine aggregates from construction and demolition wastes as alternative fine aggregates in ordinary concrete and PPC concrete. The influence of recycled fine aggregates on various properties of concrete, such as workability, density, strength, and shrinkage, is comprehensively compared.
JOURNAL OF BUILDING ENGINEERING
(2023)
Article
Construction & Building Technology
Yarivan J. Zrar et al.
Summary: This study evaluates the feasibility and impact of using recycled concrete aggregates (RCA) and crumb rubber (CR) in sustainable self-compacted concrete (SCC). The findings show that the inclusion of RCA and CR has adverse effects on the performance of SCC, but it is still possible to produce high-strength SCC suitable for structural applications.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Nidu Jike et al.
Summary: This study provides a sustainable solution for the secondary recycling of low-quality brick-concrete demolition residue in construction. Through systematic characterization and multi-scale structure analysis, it is found that incorporating the secondarily recycled residue improves the engineering properties of pervious concrete and reduces CO2 emissions and costs.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Chemistry, Physical
Joaquin Humberto Aquino Rocha et al.
Summary: This study evaluates the potential use of waste tire steel fibers (WTSF) in the manufacture of soil-cement blocks and finds that incorporating 1.5% WTSF can increase the compressive strength of the samples.
Article
Chemistry, Physical
Maria Neftali Rojas-Valencia et al.
Summary: The building industry generates a significant amount of waste and causes environmental impacts. This study focuses on using construction and demolition waste and plastic waste to manufacture Partition Blocks, and demonstrates the feasibility and positive outcomes of this approach.
Article
Green & Sustainable Science & Technology
Doudou Liu et al.
Summary: Construction and demolition waste has had a serious impact on the ecological environment. Utilizing these waste resources can alleviate the problem and is an important approach to achieving zero carbon goals. Through experimental research, insulation concrete blocks were developed using recycled aggregates and waste materials, with the best mix ratio determined to be 45% recycled aggregates sand ratio, 0.15% of active activator Na2SO4 content, and 30% fly ash content.
JOURNAL OF RENEWABLE MATERIALS
(2022)
Article
Chemistry, Physical
Matteo Sambucci et al.
Summary: The study explores the use of waste tire rubber as a replacement for mineral aggregates in cementitious mixtures for lightweight paving blocks, showing promising results in laboratory testing for the conversion of these materials into pre-cast members with suitable engineering performance and enhanced eco-friendly features.
Article
Construction & Building Technology
Dingyi Yang et al.
JOURNAL OF BUILDING ENGINEERING
(2020)
Article
Green & Sustainable Science & Technology
Glaydson Simoes dos Reis et al.
JOURNAL OF CLEANER PRODUCTION
(2020)
Article
Edison Javier Lara Guerrero et al.
Revista Tecnica de la Facultad de Ingenieria Universidad del Zulia
(2020)
Article
Engineering, Environmental
Kui Hu et al.
Article
Chemistry, Physical
Esteban Fraile-Garcia et al.
Proceedings Paper
Engineering, Geological
Ali Arisha et al.
ADVANCES IN TRANSPORTATION GEOTECHNICS III
(2016)
