Acoustic properties of concrete panels with crumb rubber as a fine aggregate replacement

Using Rubber Aggregate Derived from Discarded Tires for Producing Cement Concrete towards Resource Recovery and Environmental Protection in Vietnam

“…The test results imply that using fine rubber particles, instead of fine natural aggregate, at the low replacing proportion (up to 10%) might not cause the significant effect on the compressive strength of the rubberized concrete. Overall, our results agreed well with the previous studies which reported that the inclusion of increasing rubber contents caused progressive losses in the compressive strength of the rubberized concrete and the replacement of coarse aggregate in the concrete mixture lowered the compressive strength more than that of fine aggregate (Ganjian et al, 2009;Yilmaz and Degirmenci, 2009;Aiello and Leuzzi, 2010;Pelisser et al, 2011;Gesoğlu et al, 2014;Holmes et al, 2014;Youssf et al, 2014). There are several possible reasons for the reduction in the compressive strength of the rubberized concrete which largely influenced by the physical and mechanical properties of the constituent aggregates.…”

“…Similarly, Balaha et al (2007) used ground waste tyre rubber for partial replacement of natural sand at the proportions of 0%, 5%, 10%, 15% and 20%, by volume and they reported that the workability increased as rubber sand content increased. However, it is worth to note that a number of studies reported contrary results with the decreased workability with the inclusion of rubber aggregates in the concrete mixture (Güneyisi, 2010;Ozbay et al, 2011;Raj et al, 2011;Karahan et al, 2012;Rahman et al, 2012;Dong et al, 2013;Ganesan et al, 2013;Grdić et al, 2014;Holmes et al, 2014;Mohammadi et al, 2014). When crushed stone (coarse aggregate) was partially replaced by coarse rubber particle at the low and medium proportions (10%, 20%, and 30% by volume), it was observed that the slumps slightly increased in comparing to that of the control mix.…”

Acoustic properties of porous concrete made from arlite and vermiculite lightweight aggregates

“…The former, which can be made from vegetable particles, are of great interest inasmuch as they are renewable (12) and often present good sound absorption capabilities (13). Other materials, also called "green materials", come from recycling processes; some of them use residues coming from construction and demolition wastes (14,15), crumb rubber (16) or plastic waste from recycling of electric wires (17). Besides, these new kinds of materials are expected to satisfy thermal, acoustical and increasingly structural demands.…”

Optimisation of rubberised concrete with high rubber content: An experimental investigation

“…To minimise the negative impact of rubber on concrete strength, the use of small volumes of rubber (up to 25% of the total mineral aggregates) is often proposed [16,59,60]. This inhibits the benefits that highquality rubber can have on the concrete toughness and ductility [61,62].…”