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KONSTRUKSI BALOK GERBER

KONSTRUKSI BALOK GERBER. S=sendi/engsel Konstruksi ABSC dibagi 2 bagian yaitu: 1.SC= S=sendi dan C=roll 2.ABS=A=Engsel, B Roll, S=Bebas A B S C

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KONSTRUKSI BALOK GERBER

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  1. KONSTRUKSI BALOK GERBER • S=sendi/engsel • Konstruksi ABSC dibagi 2 bagian yaitu: • 1.SC= S=sendi dan C=roll • 2.ABS=A=Engsel, B Roll, S=Bebas • A B S C • S I C • A II B

  2. Perhitungan • A 6 T B S 5T C • 2m 4m 1m 3m 2m • 5t • S C

  3. Balok SC • Syarat Kesetimbangan • V=0 Vs+Vc =5t • Ms=0 • 5.3-Vc.5 =0 • 15-5Vc=0 • 15=5Vc • Vc=3t • Vs+Vc=5t • Vs+3=5t • Vs=2t • Kontrol • Mc=0 • Vs.5-5.2=0 • 2.5-5.2=0 (ok)

  4. Balok ABS • A 6T B 2T • S • 2m 4m 1m • V=0 VA+VB=6+2= 8 t • MA=0 • 6.2-VB+2.7=0 • VB=4 .1/3 • MB=0 • VA.6-6.4+2.1=0 • 6VA=24-2=22 • VA=22/6 • VA=3.2/3 • Kontrol= VA+VB=8 T

  5. Konstruksi 3 sendi • Portal simetris Portal tak simetris S S HB B HA VB A HA HB B A VA VB VA

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