STRUCTURE PROJECT 2009 CABLE STAYED BRIDGE
2 SPANS 160 M FOR EACH
22 M WIDTH
PREPARED BYMOHAMED ELGOHARY MOHAMED
PYLONSHAPE A OR DELTA
CABLES
THE DECK
BEARINGS
MATERIAL ROPERTIES FOR THEDECK AND PYLONSCOCRETE STRENGTH C28 = 500Kg/cm2
MODULUS OF Elasticity =335 t /cm2 Poison ratio =0.2
Thermal coefficient =0.00001
Properties of stay cablesNominal 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/cm2Allowable stress in (U.L.S) = 0.6 U.T.S
MODELLING AND ANALYSIS
BY SAP 2000
DEFINELANES VEHICLES VEHICLES CLASSESS BRIDGE RESPONSES
DEFINE
WIND LOAD
2 CASES FOR WIND LOAD 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)
DEFINEEARTHQUAKE LOAD CASE
LOAD COMBINATION FOR EQ
( D.L + 0.2 VEHICLE+1.0 EQ)
LOAD CASE OF
TORSION2 LANES -1 WAY OCCUPY
OTHER 2 LANES ARE EMPTY
LOAD CASE OF
TORSION2 OUTER LANES OCCUPY
OTHER LANES EMPTY
FINAL RESULTS
THE DECKMAX AXIAL FORCE = -107784.905 KN
MOMENTMAX +ve MOMENT=140513.3679 KN.M
MAX ve MOMENT = -130005.346 KN.M
TORSIONMAX TORSION =10965.1112 KN.M
SHEARMAX SHEAR = 12041.742
PYLONAXIAL FORCE = -194879.9 KN MAX M3 = -50303.4 KN.M
MAX M2 = 30673.5308 KN.M
CONNECT BEAMAXIAL 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
( * * )
