recycle concrete strength design

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  Strength improvement of clay subgrade soil stabilised with recycled ...

  2024410 · In this research, a combined method of chemical and physical stabilisation has been used to investigate the effect of using recycled concrete aggregate (RCA) and granulated blast furnace slag (GBS) in improving the strength properties of subgrade soil. A comprehensive series of compaction, uniaxial compressive strength (UCS) and California …

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  Performance of composite sand cement brick containing recycle concrete ...

  201841 · The objective is to determine the mechanical properties such as compressive strength and water absorption of composite brick containing recycled concrete aggregate and polyethylene terephthalate ...

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  Optimum mix design of recycled concrete based on the …

  2020111 · In order to extend the application of the recycled concrete for the structures that tensile and flexural strengths may be demanded too, in the second phase of the research, the effect of the adding of polypropylene and steel fibers on the tensile and flexural strengths of the optimum mix design of the recycled concrete is investigated.

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  Toward a codified design of recycled aggregate concrete …

  2020129 · The results show that, in order to incorporate RAC into design codes, changes are necessary in expressions for physical–mechanical properties (volumetric mass, modulus of elasticity, tensile strength, fracture energy, peak and ultimate strains, shrinkage strain and creep coefficient), durability-related properties (minimum concrete cover for ...

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  Mechanical performance enhancement of recycled aggregate concrete …

  20231028 · The pursuit of sustainable construction practices has led to a growing interest in the utilization of recycled materials in concrete production. To enhance the utilization of recycled aggregate concrete, its performance in terms of mechanical characteristics need to be optimized. This study investigates the effect of fly ash and …

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  Enhancing high-performance concrete sustainability: …

  2024226 · Zhuo et al. incorporated recycled rubber and steel fibers into high-strength concrete, maintaining ultra-high performance with optimized rubber and fiber amounts 33.

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  Evaluating compressive strength of concrete made with recycled concrete ...

  2022314 · The compressive strength of recycled concrete has a strong relation with aggregate (natural and recycled aggregates) content, water/cement ratio, cement content, type of aggregate, and type and dosage of admixture [10], [11].

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  C16/20 CONCRETE STRENGTH CLASS DESIGN …

  202391 · Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon f…

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  Size effects in compressive and splitting tensile strengths of ...

  2022725 · Highlights: • The size effect is affected by the concrete strength and polypropylene fiber content. • The size effect of splitting tensile strength is significantly larger than that of compressive strength. • The Bažant size effect law formula is suitable for polypropylene fiber recycled aggregate concrete. • The ultimate size and ultimate strength …

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