Influencing compressive strength of roller-compacted concrete

Chhorn, Chamroeun; Lee, Seung Woo

doi:10.1680/jcoma.16.00009

Cited by 13 publications

(11 citation statements)

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“…For example, Brazil can use RCC with RCA as a material for pavements or sub-base pavements to mitigate problems from infrastructure highways [1,2]. On the other hand, some recognized benefits of RCC in pavements are cost-effectiveness, faster construction, environmental friendliness, and high-level performance [12][13][14][15][16]. RCC is a zero-slump concrete used for hydraulic and paving construction sites in civil engineering.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, the percentage of aggregates in mixtures is around 80%. It proves that aggregates are vital for producing this type of concrete [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

“…To achieve a good compaction on the field, the RCC must be mix-stiff enough to support the roller compactor and wet enough to permit adequate distribution of material without segregation. The ingredients used for RCC are the same used for conventional concrete but has different mixture proportions [12,14,15]. RCC could be used in different pavement layers as a sub-base, base, and surface, modifying the cement content to achieve improved properties in different layers.…”

Section: Introductionmentioning

confidence: 99%

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Roller Compacted Concrete with Recycled Concrete Aggregate for Paving Bases

Fardin

Santos

2020

Sustainability

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This research aimed to investigate the mechanical and physical properties of Roller Compacted Concrete (RCC) used with Recycled Concrete Aggregate (RCA) as a replacement for natural coarse aggregate. The maximum dry density method was adopted to prepare RCC mixtures with 200 kg/m³ of cement content and coarse natural aggregates in the concrete mixture. Four RCC mixtures were produced from different RCA incorporation ratios (0%, 5%, 15%, and 30%). The compaction test, compressive strength, splitting tensile strength, flexural tensile strength, and modulus of elasticity, porosity, density, and water absorption tests were performed to analyze the mechanical and physical properties of the mixtures. One-way Analysis of Variance (ANOVA) was used to identify the influences of RCA on RCC’s mechanical properties. As RCA increased in mixtures, some mechanical properties were observed to decrease, such as modulus of elasticity, but the same was not observed in the splitting tensile strength. All RCCs displayed compressive strength greater than 15.0 MPa at 28 days, splitting tensile strength above 1.9 MPa, flexural tensile strength above 2.9 MPa, and modulus of elasticity above 19.0 GPa. According to Brazilian standards, the RCA added to RCC could be used for base layers.

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Section: Introductionmentioning

confidence: 99%

“…Moreover, the percentage of aggregates in mixtures is around 80%. It proves that aggregates are vital for producing this type of concrete [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Roller Compacted Concrete with Recycled Concrete Aggregate for Paving Bases

Fardin

Santos

2020

Sustainability

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“…[10] presented a stepwise mixture design methodology for aggregate proportioning and particle-size distribution of combined aggregates which may secure high packing density and lead to enhanced performance of RCC mixture. [11], assessed the influence of aggregate gradation, curing conditions, cement dosage, water content, and chemical additives on RCC characteristics. It also indicated that 98% compaction degree with respect to modified proctor compaction, could be reached to attain higher compressive strength values.…”

Section: Introductionmentioning

confidence: 99%

Assessing the Influence of Aggregates and Cement Types on Fresh Roller Compacted Concrete Mixture

Sarsam

2021

Int. Res. J. multidiscip. Technovation

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Roller compacted concrete mixture RCC is considered as a sustainable pavement construction material, it is a heavy-duty concrete mixture with zero slump. An attempt has been made in the present investigation to design the fresh RCC mixture using two types of coarse aggregates (crushed and rounded), two types of fine aggregates (silica and river sand) and two types of cement (ordinary Portland and sulphate resistance). Concrete mixtures with dense gradation were prepared and compacted according to modified proctor design procedure. A moisture-density test was used to determine the maximum density and optimum moisture content and of RCC mixtures for each mix. Five different percentages of cement (10-18) % are implemented and six different percentages of moisture (4 – 8) %) % are used to determine the dry density-moisture content relationships. It was observed that the maximum dry density of rounded aggregates mixture is higher than that of crushed aggregate mixture by (4.2, 8.3, 4.2, 4.2, and 5.1) % and (4.1, 1.4, 4.1, 2.0, and 2.7) % for (18, 16, 14, 12, and 10) % cement content respectively for mixtures constructed with silica and river sands respectively with ordinary Portland cement. However, the maximum dry density of rounded aggregate mixture is higher than that of crushed aggregate mixture by (3.5, 4, 7.1, 5.5, and 4.4) % and (2.7, 4.8, 2.3, 4.4, and 4.2) % for (18, 16, 14, 12, and 10) % cement content respectively for mixtures constructed with silica and river sands respectively with sulphate resistance cement. It was concluded that 12 % of Portland cement and (6 to 7) % of moisture are proper combination when silica or river sand were implemented, while (12 and 14) % of sulphate resistance cement and (6 to 7) % of moisture are proper combination when silica or river sand were implemented. abstract must be a precise and reflection of what is in your article.

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“…Consequently placement is by roller compaction, with applications for pavements and mass concrete dam construction. In their study Chhorn and Lee (2018) have focussed on the influence of constituent material properties and proportions on compressive strength performance. A variety of mixes were prepared in the laboratory and strength properties measured at 3, 7, 28 and 56 days.…”

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confidence: 99%

Editorial

Walker

2018

Proceedings of the Institution of Civil Engineers - Constructio

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Influencing compressive strength of roller-compacted concrete

Cited by 13 publications

References 0 publications

Roller Compacted Concrete with Recycled Concrete Aggregate for Paving Bases

Roller Compacted Concrete with Recycled Concrete Aggregate for Paving Bases

Assessing the Influence of Aggregates and Cement Types on Fresh Roller Compacted Concrete Mixture

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