Influence of date palm fiber length on cementitious mortar characteristics

This study focuses on the mechanical, thermal and durability behaviour of bio composite material use in the construction sector. The incorporation of bio-waste, such as palm fibers, in the cement matrix shows an interesting role. They are available at low prices and are renewable and environmentally friendly raw materials. In this work, palm fibers were added to the sand, cement mixture to produce mortars with good thermal and mechanical properties, which allows us to use them in structural construction. The objective of our work is to study the effect of adding date palm in different lengths equal to 4, 8, 12 and 16 mm on the mechanical behavior of cement mortar, as well as to measure the absorption and thermal conductivity. The percentage by weight of palm fibers is 1% for different sizes of fibers. The obtained results for the cement matrix have shown that when the length of the fibers increases, the flexural strength increases, and the compressive strength decreases. In addition, we have obtained good thermal insulation.