struktur beton 1
DESCRIPTION
STRUKTUR BETON 1. PERTEMUAN 2 DASAR PERENCANAAN BALOK BETON BERTULANG. Oleh : Arwan Apriyono. PROGRAM STUDI TEKNIK SIPIL JURUSAN TEKNIK FAKULTAS SAINS DAN TEKNIK UNSOED TAHUN 2009. Examples: WSD Ultimate Strength. Allowable Stress – WSD (ASD) - PowerPoint PPT PresentationTRANSCRIPT
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STRUKTUR BETON 1PERTEMUAN 2
DASAR PERENCANAAN BALOK BETON BERTULANG
Oleh :Arwan Apriyono
PROGRAM STUDI TEKNIK SIPIL JURUSAN TEKNIK FAKULTAS SAINS DAN TEKNIK UNSOED
TAHUN 2009
![Page 2: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/2.jpg)
University of Michigan, TCAUP Structures II
Slide 2/26
Allowable Stress – WSD (ASD)
Actual loads used to determine stress Allowable stress reduced by factor of safety
Ultimate Strength – (LRFD) Loads increased depending on type load
g Factors: DL=1.4 LL=1.7 WL=1.3U=1.4DL+1.7LL
Strength reduced depending on type force
f Factors: flexure=0.9 shear=0.85 column=0.7
failureactual FSFf .).(
nu MM f
Examples:
WSD
Ultimate Strength
'1.0 cv ff
'45.0 cb ff
nu MM 9.0
nu VV 85.0
nu PP 70.0
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Hal yang perlu diperhatikan pada perencanaan balok beton bertulang :
a. Kombinasi beban yang ada pada strukturb. Analisis struktur (Menghasilkan Mu dan Vu)c. Properties Beton dan Baja Tulangan (f’c dan fy)d. Konsep Perencanaan Balok Beton Bertulang
Item Perencanaan
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Kombinasi Beban
![Page 5: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/5.jpg)
Kombinasi Beban
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Analisis Struktur
ANALISIS STATIS TERTENTU
ANALISIS STATIS TAKTENTU
DAPAT DIGUNAKAN BANTUAN SOFTWARE: AXIS, ANXIS, SAP, ETAB ETC
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University of Michigan, TCAUP Structures II
Slide 7/26
Strength Measurement
Compressive strength› 12”x6” cylinder› 28 day moist cure› Ultimate (failure) strength
'cf
Photos: Source: Xb-70 (wikipedia)
Properties Beton
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Properties Beton
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Properties Beton
![Page 10: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/10.jpg)
Properties Beton
![Page 11: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/11.jpg)
Properties Beton
![Page 12: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/12.jpg)
Properties Baja
![Page 13: STRUKTUR BETON 1](https://reader033.vdocuments.mx/reader033/viewer/2022061419/568163e9550346895dd55831/html5/thumbnails/13.jpg)
Properties Baja
KURVA HUBUNGAN TEG-REG BAJA
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Properties Baja
UKURAN BAJA TULANGAN
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Konsep Perencanaan
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University of Michigan, TCAUP Structures II
Slide 16/26
Failure Modes
No Reinforcing› Brittle failure
Reinforcing < balance› Steel yields before concrete fails› ductile failure
Reinforcing = balance› Concrete fails just as steel yields
Reinforcing > balance› Concrete fails before steel yields› Sudden failure
bdAs
yf200
min
yy
cbal ff
f870008700085.0 '
1
bal 75.0max
!h!SuddenDeatmax
Source: Polyparadigm (wikipedia)
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Konsep Perencanaan
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Konsep Perencanaan