KAJIAN EKSPERIMENTAL GESER BALOK SEMI PRACETAK BENTUK-U YANG DIBEBANI MOMEN DI KEDUA UJUNGNYA

• Main Authors: , Triyatmoko Arief, , Dr-Ing. Ir. Andreas Triwiyono
• Format: Theses and Dissertations NonPeerReviewed
• Published: [Yogyakarta] : Universitas Gadjah Mada 2011
• Subjects: ETD
• Online Access: https://repository.ugm.ac.id/88323/; http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=50536
• Institution: Universitas Gadjah Mada

This thesis studying the behavior of semi precast beam�s shear that is formed from U-shape bataton and cast in place concrete. This topic is a part of researches about �Solusi Rumah� while have been doing at UGM Structural Laboratory. The U-shape bataton has dimension 140x140x290mm and will be the one to be beam after the batatons�s core is placed by the reinforced steel configuration and casted by the concrete. Bataton has f�c 5 MPa, while cast in place concrete is 15 to 20 MPa. The experimental tests were done to 6 semi precast beams, consist of 2 beams with one layer bataton, 2 beams with two layer bataton, 1 control beam for beam with one layer bataton, and 1 control beam for beam with one layer bataton. All of specimens are designed to behave shear failure. The shear failure happen if the ratio of shear span to effective depth (a/d) less than 6 (a/d6), and the longitudinal reinforcing steel ratio () is made a bit higher than usual, so that the moment strength is higher than a shear strength. The specimens have letter �S� form, which has an advantage, can get two shear samples in the same time, at positive and negative moment area. Testing doing with giving beam a static load in the one tip of letter S, while the other one is handled by hinge support. The experiments results will be compare with theoritical formula that given by SNI 03-2847-2002. The results evaluation show that experiments�s Vc are higher than SNI 03-2847-2002�s formula, but for the ultimate shear strength, the experiments�s Vmaks are lower than that theoritical formula. So, it can be concluded that the Vc SNI 03-2847-2002�s formula can be use for calculating the concrete shear strength of the beams Vc, but for Vn SNI 03-2847-2002�s formula must be multiplied with a reduction factor before it be used for calculating nominal shear strength of the beams Vn.