SULISTYO, ROLAND ADITYA PUTRA (2021) STUDI KOMPARASI STRUKTUR PENAMPANG SINGLE BOX GIRDER DAN DOUBLE BOX GIRDER PADA JALAN TOL BERTINGKAT (ELEVATED TOLL ROAD) STUDI KASUS: JALAN TOL HARBOUR ROAD 2 JAKARTA. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Harbour 2 Toll Road is planned to use an elevated toll road design. This is because at the location of the toll road development plan there is very little land available and existence of an existing Harbour 1 toll road. The upper structure to be used on the Harbour 2 toll road uses a box girder bridge structure. Box girder bridge is a bridge where the upper structure of the bridge consists of the main support beams in the form a hollow box. Box girder which will be analyzed single box girder and double box girder. The single box girder structure has a width of 26,4 m and a height 26,6 m, while the double box girder structure has a width of 13,3 m and also has a height of 2,6 m in one box girder section. The ultimate loading that occurs in the structure of the single box girder model is 44982,27 kNm, while for the double box girder model it is 38557,84 kNm. The service loading that occurs in the single box girder model structure is 30586,47 kNm, while for the double box girder model it’s 23779,35 kNm. Mode shape of structure obtained natural frequency for single box girder model of 29,342 cycles/sec, whele in double box girder model 31,236 cycles/sec. The structural stiffness between the two box girder models in the single box girder model is 43972699,20 kN/m, while the double box girder model is 34696429,46 kN/m. The deflection of the box girder section that occurs due to the service live load on the single box girder model is 13,52 mm, while the deflection that occurs in the double box girder model is 8,91 mm and doses not exceed the permit limt. Keywords : Harbour 2 Toll Road, Box Girder Bridges,Dynamic behavior of strucutre. Jalan tol Harbour 2 direncanakan menggunakan desain jalan tol layang (elevated toll road). Hal itu di karenakan pada lokasi rencana pembangunan jalan tol tersebut sangat minim adanya lahan yang tersedia dan adanya jalan tol eksisting Harbour Road 1. Struktur atas yang akan digunakan pada Jalan Tol Harbour 2 menggunakan struktur jembatan box girder. Jembatan box girder adalah sebuah jembatan dimana struktur atas jembatan terdiri dari balok-balok penopang utama yang berbentuk kotak berongga. Box girder yang akan dilakukan analisis single box girder dan double box girder. Untuk struktur single box girder mempunyai lebar 26,4 m dan tinggi 2,6 m, sedangkan untuk struktur double box girder mempunyai ukuran lebar 13,3 m dan juga mempunyai tinggi 2,6 m dalam satu penampang box girder. Pembebanan ultimate yang terjadi pada struktur model single box girder sebesar 44982,27 kNm sedangkan untuk model double box girder sebesar 38557,84 kNm. Untuk pembebanan layan yang terjadi pada struktur model single box girder sebesar 30586,47 kNm sedangkan untuk model double box girder sebesar 23779,35 kNm. Ragam bentuk struktur didapatkan frekuensi natural untuk model single box girder sebesar 29,342 cycle/sec sedangkan pada model double box girder sebesar 31,236 cycle/sec. Kekakuan struktur antara kedua model box girder pada model single box girder sebesar 43976299.20 kN/m sedangkan pada model double box girder sebesar 34696429,46 kN/m. Lendutan penampang box girder yang terjadi akibat beban hidup layan (service) pada model single box girder sebesar 13,52 mm sedangkan lendutan yang terjadi pada model double box girder sebesar 8,91 mm dan tidak melebihi batas izin. Kata Kunci: Jalan Tol Harbour 2, Jembatan Box Girder, Perilaku Dinamik Struktur.
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