Struktur Baja Jembatan 2014-2015 BAB III ANALISA PEMBEBANAN 3.1. Analisa Pembebanan Pada Gelagar Memanjang 3.1.1. Data Perencanaan a. Mutu baja BJ 37 Fy = 240 Mpa = 2400 kg/cm 2 Fu = 370 Mpa = 3700 kg/cm 2 b. Elastisitas Baja 200000 Mpa = 2000000 kg/cm 2 c. Tebal lantai beton kendaraan = 0,22 m d. Tebal aspal = 0,05 m e. Tebal genangan air = 0,1 m f. Jarak antar gelagar memanjang (b) = 1,5 m g. Jarak antar Gelagar melintang () = 4,5 m h. BJ beton () = 24,00 KN/m 2 i. BJ aspal () = 18,00 KN/m 2 j. BJ air () = 10,00 KN/m 2 3.1.2. Beban Mati Berat pelat lantai kendaraan = d x b x q beton 0,22 x 1,5 x 24,00 = 7,92 KN/m Berat aspal = d x b x q aspal 0,05 x 1,5 x 18,00 = 1,35 KN/m Berat genangan air = d x b x q air FAIZAL KS-2C Page 6
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
k. Jarak antara gelagar memanjang (b) =1,5 ml. Jarak antara gelagar melintang () = 4,5 mm.Total beban mati = 12,77 KN/mn. Beban hidup q = 9 KN/m2 P = 49 KN/mo. Jumlah gelagar memanjang n = 6 buah
FAIZAL KS-2C Page 9
Struktur Baja Jembatan 2014-2015
3.2.2. Beban Mati (DL)PDL GMJ = qDL x = 12,77 x 4,5 = 57,465 KN