Design of Cable Stayed Bridge Using SAP2000 (Powerpoint Presentation)
310
ن الرحيم الرحم بسم ا 2009 STRUCTURE PROJECT CABLE STAYED BRIDGE 2 SPANS 160 M FOR EACH 22 M WIDTH
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Transcript of Design of Cable Stayed Bridge Using SAP2000 (Powerpoint Presentation)
بسم اهلل الرحمن الرحيم2009STRUCTURE PROJECT
CABLE STAYED BRIDGE
2 SPANS 160 M FOR EACH
22 M WIDTH
PREPARED BY
MOHAMED ELGOHARY MOHAMED
PYLON
SHAPE A OR DELTA
CABLES
THE DECK
BEARINGS
MATERIAL ROPERTIES FOR THE DECK AND PYLONS
COCRETE STRENGTH C28 = 500Kg/cm2
MODULUS OF Elasticity =335 t /cm2
Poison ratio =0.2
Thermal coefficient =0.00001
Properties of stay cables
Nominal diameter =15.7 mm
Nominal tensile strength(U.T.S) = 17.7 t/cm2
Nominal weight =1.18 kg/m
Modulus of elasticity = 1950 t/cm2
Allowable stress in (U.L.S) = 0.6 U.T.S
MODELLING AND ANALYSIS
BY SAP 2000
DEFINE
LANES
VEHICLES
VEHICLES CLASSESS
BRIDGE RESPONSES
DEFINE
WIND LOAD
CASES FOR WIND LOAD2
1- CASE
DEAD LOAD + LIVE LOAD
1 KN /M2
2-CASE
DEAD LOAD
2 KN /M2
LOAD COMBINATION FOR WIND LOAD
0.9(1.35D.L+ 1.35 VEHICLE+0.9 W.L)
DEFINE
EARTHQUAKE LOAD CASE
LOAD COMBINATION FOR EQ
( D.L + 0.2 VEHICLE+1.0 EQ)
LOAD CASE OF
TORSION
2 LANES -1 WAY OCCUPY
OTHER 2 LANES ARE EMPTY
LOAD CASE OF
TORSION
2 OUTER LANES OCCUPY
OTHER LANES EMPTY
FINAL RESULTS
THE DECK
KN107784.905 -MAX AXIAL FORCE =
MOMENT
MAX +ve MOMENT=140513.3679 KN.M
MAX – ve MOMENT = -130005.346 KN.M
TORSION
MAX TORSION =10965.1112 KN.M
SHEAR
MAX SHEAR = 12041.742
PYLON
AXIAL FORCE = -194879.9 KN
MAX M3 = -50303.4 KN.M
MAX M2 = 30673.5308 KN.M
CONNECT BEAM
AXIAL FORCE = -8661.938 KN
MAX M3 = 32051.158 KN.M
MAX M2 = 4008.7672 KN .M
THE DECK SECTION
PYLON SECTION AT TOP
PYLON SECTION AT BOTTOM
CONNECT BEAM SECTION
FINAL PRETENSION
FINAL DEFLECTION
FINAL AREA STEEL FOR
CABLES
سبحان ربك رب العزة عما يصفون)
و سالم على المرسلين*
(و الحمد هلل رب العالمين *
