Establishing a relationship between modulus of elasticity and compressive strength of recycled aggregate concrete

Abstract

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Enhancement of Recycled Aggregate Concrete Properties by a New Treatment Method

“…The improvement of the elastic modulus of RAC treated with treatment solution type S (SSF, SMK) was decreased with the increase of more than 20% concentration, whereas using more than 10% concentration of treatment solution type G and sodium silicate (SS), the elastic modulus of RAC was decreased. Although this improvement of elastic modulus of RAC was significant, the modulus of elasticity of RAC treated could not surpass that of NAC even when the compressive strength of treated RAC was higher or comparable to that of NAC, which agreed with the previous report [34]. …”

Mechanical properties of lightweight aerated concrete with different aluminium powder content

“…Additional effects are provided by the bond and arrangement between the particles [22]. Figure 3 presents the modulus of elasticity of AC with different Al content.…”

Influência de agregados reciclados de concreto na reologia do concreto

“…Assim, devido às características intrínsecas dos ARCs, a definição de relações capazes de prever as propriedades relevantes dos concretos reciclados ainda é considerada uma questão em aberto [7]. Nos últimos anos, a comunidade científica concentrou-se principalmente na compreensão do comportamento mecânico dos concretos reciclados no estado endurecido [8], [9], [10], [11] e apenas alguns estudos analisaram suas propriedades no estado fresco [12], [13].…”