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Optimization of the Mechanical Formulation of Typha Concrete

In order to address energy efficiency issues in the
building sector, we conducted this study which focuses on the
optimization of the mechanical characteristics of Typha concrete
for its use in load-bearing structures of buildings. The fact that
buildings are very energy-intensive makes it essential to develop
new forms of construction based on bioclimatic architecture and
the valorization of certain materials considered as waste in
construction. To achieve these objectives, wehave targeted the use
of Typha Australis thanks to its great availability and high
thermalinsulation capacity. Thus, starting from the composition
of a control concrete determined bythe DreuxGorisse formulation
method with a characteristic compressive strength of 20 MPaat 28
days, Typha S1 series concretes are formulated with the
substitution of sand up to 40, 50,and 60% of Typha. In order to
increase the mechanical strength of Typha S1 series concretes,the
cement class and G/S ratio are increased for the second S2
series.At the end of this research, the results obtained show that
some of these concretes withdifferent proportions of Typha have
good mechanical performance, which depends on theirstructural
use.