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| dc.description.abstract | In the future, the price of materials to make concrete especially more expensive steel reinforcement.
Therefore, it is necessary to develop the manufacture of concrete plates using bamboo
reinforcement. Reinforced concrete slab is a flat surface, usually with parallel top and bottom
surfaces. To saving the use of reinforcement, it is necessary to create plates with the addition of
high-middle spans. This study aims to determine the concrete compressive strength, tensile strength
of bamboo, and the effect of adding high at midspan of the plate flexural strength of concrete with
bamboo reinforcement. Concrete floor plate with normal cross-section sized 50x10x120 cm as much
as 3 test specimens and plates with the addition of high 5 cm section at midspan as much as 3 test
specimens. Concrete mix design by the method of SK.SNI.T-15-1990-03, with water-cement ratio of
0.5. Tests conducted when test specimens aged at least 30 days. Bamboo tensile strength test results
obtained average value of 148 MPa. Compressive strength test results of concrete cylinders obtained
an average value of 21.31 MPa. Plate bending strength test results showed that the average
percentage of flexural strength on condition of concrete crack initiation load increased to 65.98%
and the maximum compressive load conditions increased to 27.65% after the bamboo reinforced
concrete slab height is given at midspan. The percentage cost benefit of material per sample with the
addition of high plate at midspan by 22.87% compared with plate normal cross section. These
results indicate that in terms of economical concrete floor slabs reinforced with the addition of high
bamboo at midspan more profitable. | en_US |
