Experimental testing was carried out in a two-story parking building with variations of floor plate finishing without toppings, reinforced concrete toppings, and ceramic toppings. In addition, a drop impact test and a heel drop test were carried out to get the vibration value in the form of a natural frequency. The test results showed that the natural frequency value on the floor slab with topping has a higher natural frequency than without topping, with an average increase of 29.8% for reinforced concrete topping, and 14.2% for ceramic topping. All test results meet the minimum natural frequency limits based on the SCI P354, JGJ 3, PCI MNL-126-15E, and GB50010 standards. As for the AISC DG11, the S4 plate has a frequency that sensitive to the human body.
Wood has shrinkage properties, so it affects the availability of the maximum dimensions of wood available in the market. To meet the need for dimensions that are larger than the maximum dimensions available in the market, laminated boards and beams are made. The dimensions such as thickness, height and length of the laminated wood beams can be made based on the needs, so those dimensions can be much more than the maximum dimensions of the beams on the market. Thus, it is worthy to be used for the main beams or sub-beams of a bridge. To overcome this, the laminated wood beams are composed with reinforced concrete slabs, so that they become a composite of laminated wood beams-reinforced concrete slabs. Reinforced concrete slabs serve as the bridge floors as well as protective laminated timber beams to protect them from heat and rain. Wood has more elastic properties compared to reinforced concrete. To overcome this problem, the part of the wood fibres that experience the bending must be strengthened. The research method was carried out by testing the flexural testing of Laminated Camphor composite beams -reinforced concrete slabs reinforced using a second plain reinforcing steel ends are anchored using bolts. The variables used include the amount of reinforcement: 1, 2, and 3 plain reinforcing steel bars with a diameter of 8 mm, as well as unreinforced beams as the control beams.
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