10 to 30 of recycled fines

New Jersey governor signs ambitious recycled content bill …

Dive Brief: New Jersey's recycled content bill, S2515, is on its way to Gov. Phil Murphy's desk after passing the state's Assembly and Senate Jan. 10. Starting in 2024, rigid plastic containers will need to contain at least 10% postconsumer recycled content, and plastic beverage containers will need to contain at least 15%.

Influence of Fines Contents on Soil Liquefaction Resistance …

More recently, Park and Kim made undrained cyclic traixial tests study on loose, medium, and dense specimens with 10% fine contents, and showed liquefaction resistance of silty clayed sands decrease with increasing plasticity of fines.Park and Kim showed as the plasticity of 10% fines increased, the liquefaction resistance of medium or …

Plastics Recycling and Minimum Recycled Content: State …

The recommendations are due January 1, 2022. In May 2021, Washington enacted a sweeping new minimum recycled content bill, SB5022, which creates recycled content minimums for some plastic products ...

New Jersey bill passes (and other recycled-content updates)

The 32-member Stakeholder Advisory Committee recommended the following recycled content specifications for different product types: PP tubs: 10% PCR by 2026 and 30% by 2031. PET thermoforms for consumable goods: 10% PCR by 2026 and 30% by 2031. PET thermoforms for durable goods: 30% by 2031. PP single-use cups: …

The Durability of Recycled Fine Aggregate Concrete: …

This paper reviews the findings of research on the effects of recycled fine aggregates (RFAs) on the permeability, drying shrinkage, carbonation, chloride ion penetration, acid resistance, and freeze–thaw resistance of concrete.

FACTS ABOUT AMERICAN STEEL SUSTAINABILITY

10% 20% 30% 40% 50% 60% 70% Percent of energy use for all purposes 1998 2002 2006 2010 2018 nergy Use in Iron and Steelmaking: ... America typically contains 90 percent or more recycled steel. In the U.S. alone, there are typically 60 to …

Study on Recycled Concrete Powders as Mineral Admixture in Recycled

The type of ECO-RPC with the substitution of 25% ultra-fine slag, 25% ultra-fine fly ash and 10% silica fume is better than the others with compressive strength, flexural strength, and fracture ...

Production of artificial aggregates by granulation and

There is a growing need to find ways to reuse fine concrete waste from the construction industry. In this study, recycled concrete fines were granulated and used as lightweight aggregates. Ladle slag, a steel industry residue, was used as a co-binder in different ratios (0, 10, 20, and 30%). The materials were blended and granulated, and …

Recycled Aggregate: A Viable Solution for …

The authors evaluated the substitution of up to 30% and observed that the use of the residue causes a reduction in the workability and a decrease in the mechanical …

Influence of Recycled Concrete Fines Content on the …

This study investigated the dynamic properties of coal mine roadway support mortar with recycled concrete fines as supplementary cementitious materials to partially …

Recycled Aggregate: A Viable Solution for Sustainable …

The authors found that the concrete containing 10% GRC and 50% C&DW RA achieved the same strength class as the Portland cement concrete. He et al. observed that replacing 30% binder with GRC reduced the autogenous shrinkage of ultra-high-performance concrete while leading to comparable compressive strengths (123–128 …

(PDF) Production of artificial aggregates by granulation and

In this study, recycled concrete fines were granulated and used as lightweight aggregates. Ladle slag, a steel industry residue, was used as a co-binder in different ratios (0, 10, 20, and 30%).

Fines extracted from recycled concrete as alternative

Schoon et al. [12] researched the use of fines generated to produce recycled concrete aggregates, while Galbenis and Tsimas [10] used waste from recycled concrete and masonry from demolished ...

Recycling of waste glass as aggregate in cement-based materials

Pozzolanic reaction exhibited by glass can improve the materials properties. •. 20 μm waste glass at 20% cement replacement obtains optimal results. •. 20% fine aggregate for waste glass obtains satisfactory results. •. Waste glass provides a poor coarse aggregate due to the smooth surface of glass.

Use of recycled fines from waste concrete as an admixture …

Fluidity of mortar with 30% wt. cement of recycled powder with different fineness levels ( corresponds to Blaine SSA=821 ... Quan and Kasami (2018) found that very fine recycled powder (d10/50/90=1.7/4.1/18.0) can compensate more than enough for the dilution effect. They obtained a higher compressive strength of SCC when using …

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Shop for yarns made from recycled fibers at WEBS - America's Yarn Store! ... Save on Debbie Bliss, String, Sesia & Stacy Charles Fine Yarns through Wednesday ... 30% Nylon 27% Cotton 24% Acrylic 10% Silk 9% Linen, 437yds (400m)/100g (3.5oz), DK | Light Worsted WEBS Discount $13.25 (false) ...

Experts discuss trade-offs of recycled-content mandates

In the case of glass products, state law requires bottles to have at least 35% recycled content and insulation to use at least 30% recycled content. According to the California Department of Resources Recycling and Recovery (CalRecycle) 2020 glass report, bottle producers averaged 42.6% and insulation producers averaged 47.7%.

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Influences of Carbonated Recycled Concrete Fines on …

Carbonation. Recycled concrete fine (RCF) was placed in a carbonation chamber to carbonate for 7 days. The accelerated carbonation test was conducted in accordance with the Chinese standard GB/T 11974-1997 with the carbonation condition of T = 20 ± 2 °C, RH = 60 ± 5%, and CO 2 concentration = 20 ± 2%. 2.2.2.

The Durability of Recycled Fine Aggregate Concrete: A Review

The Durability of Recycled Fine Aggregate Concrete: A Review. January 2022; Materials 15(3):1110; DOI:10.3390 ... drying shrinkage value of RFAc with a 30% substitution rate was 14.0% lower than ...

Grading size distribution of recycled concrete fines

The 7 d compressive strength of RMPC was slightly lower than that of ordinary concrete. The compressive and splitting tensile strengths of RMPC at 28 d increased by 4.2% and 10.1%, respectively ...

Mechanism of carbonating recycled concrete fines in

However, the recycled concrete fines (RCFs) including both the fine aggregates and powders typically have 20–50 wt% residual cement paste, ... Meanwhile, paste samples were prepared by using RCF015 as the cement replacement at 10%, 30% and 50% and the water to cementitious materials ratio was controlled at 0.5. The mortar …

Trilinear tensile stress–strain constitutive model for high …

Trilinear tensile stress–strain constitutive model for high ductility cementitious composite with totally recycle fine aggregate. Author links open overlay panel Danying Gao a b, Mingyan Lv a, Dong Wei b ... 0.40 and 0.45, fly ash content (FA/B) of 10%, 20%, 30%, 40% and 50%, and fiber volume fraction (V f) of 0%, 0.5%, 1%, 1.5%, …

Production of artificial aggregates by granulation …

There is a growing need to find ways to reuse fine concrete waste from the construction industry. In this study, recycled concrete fines were granulated and used as …

California mandates 50% recycled content (rPET) in plastic …

Money received from these fines will go towards recycling initiatives, collection and processing of plastic bottles. ... Keurig Dr Pepper: plans to use 30% post-consumer recycled content across its portfolio by 2025. Coca-Cola: has set targets to use at least 50% recycled material in packaging by 2030. It currently uses 10% recycled …

Use of Fine Fraction | SpringerLink

Compressive strength at 28 day was 43.6 MPa for control concrete and 41.4 MPa for recycled concrete with 30% of fine recycled aggregate. Analogous drying shrinkage results, at 180 days, were attained for control concrete and recycled concrete with 20% of fine crushed concrete and a slightly lower value is observed with 30% of fine …