预应力损失-建筑工程Excel计算工具

CALCULATINGFRICTIONANDANCHORSETLOSSESINPOST-TENSIONEDTENDONS,,,,,,,,,,,PrestLoss,,,,,,,,,,,,,,,

,,,,,,,,,,,Copyright©2000,,,,,,,,,,,,,,,

ProblemDescription:,,,WebTendonsin90-foottypicalgirder,,,,,,,,"YakovPolyakov,PE",,,,,,,,,,,,,,,

,,,,,,,,,,,yakpol@,,,,,,,,,,,,,,,

,,SteelUltimateStress,fpu=,,270,ksi,Units:,,US,,,,,,,,,,,,,,,,,

,,PrestressRatio,fjack/fpu=,,0.75,,,,,,,,,,,,,,,,,,,,,

,,JackingStress,fjack=,,202.5,ksi,,,,,,,,,,,,,,,,,,,,

,,AnchorSet,DL=,,0.375,in,,,,,,,,,,,,,,,,,,,,

,,ModulusElasticity,Es=,,28000,ksi,,,,,,,,,,,,,,,,,,,,

,,CurvatureFrictionCoefficient,m=,,0.25,,,,,,,,,,,,,,,,,,,,,

,,WobbleFrictionCoefficient,k=,,0.0002,1/ft,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,SeatingLossesatAnchor,Df=,,35.87,ksi,,,,,,,,,,,,,,,,,,,,

,,ConversionPointfromanchor,Lc=,,48.79,ft,,,,,,,,,,,,,,,,,,,,

,,StressatConversionPoint,fconv=,,184.6,ksi,0.000,,,,,,,,,,,,,,,,,,,

,,,,,,,AnalysisCompleted,,,,,,,,,,,,,,,,,,,

,InputTendonGeometry,,,,,StressesinTendon,,,DesignSections,,,,,,,,,,,,,Stresses,,,,

PointNo.,Distancefromjackingend,SegmentLength,"Angularchange

a",,Distancefromjackingend,Priorseatinglosses,Afterseatinglosses,,Distancefromjackingend,Stressafterseating,,,,,,,,,,X,DP,Top,Bottom,Top-Bot,Adjustment,Area

,ft,ft,rad,,ft,ksi,ksi,,ft,ksi,,,,,,,,,,,ksi,ksi,ksi,ksi,ft,kip/in

1,0,0,0,,0.00,202.5,166.6,,0,166.6,,,,,,,,,,0,0.00,202.5,166.6302638,35.86973617,0.00,0

2,30,30,0.2,,30.00,191.5,177.7,,30,177.7,,,,,,,,,,30,11.03,191.471675,177.6585888,13.81308621,30.00,8942.908028

3,60,30,0.2,,48.79,184.6,184.6,,56.34,181.8,,,,,,,,,,60,11.03,180.44335,188.6869138,0,18.79,1557.092449

4,90,30,0.2,,60.00,180.4,180.4,,60,180.4,,,,,,,,,,90,11.03,169.4150251,199.7152388,0,0.00,0

5,90,,,,90.00,169.4,169.4,,90,169.4,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

6,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

7,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

8,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

9,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

10,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

11,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

12,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

13,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

14,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7152388,0,0.00,0

15,90,,,,90.00,169.4,169.4,,,,,,,,,,,,,90,0.00,169.4150251,199.7