WIN-DASH/P...Bridge Cross Section (Ref. PCI Bridge Design Manual) Project Data (01012, 01022)...
Transcript of WIN-DASH/P...Bridge Cross Section (Ref. PCI Bridge Design Manual) Project Data (01012, 01022)...
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WIN-DASH/PDesign and Analysis of Straight Highway Bridges
Tutorial (for a Simple Span Prestressed Beam Bridge)
Providedby
The BEST CenterUniversity of Maryland
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Case Study: Bulb-Tee (BT-72), Single Span, Composite Deck, based on Standard Specifications
Bridge Cross Section (Ref. PCI Bridge Design Manual)
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Project Data (01012, 01022)
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General Program Option (01032)
To switch to Prestressed Concrete mode, input Type 4
Span interval can be any numbers from 4-20
Only two modes in PC: Analysis and Design
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Structural Details (03012)
Position will affect the Effective Width and Distribution Factor
Haunch will affect the section properties and weight
These two entries are used for steel girder only
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Span Lengths (03062)For single span, only input for Span Length (2) and Overhangs (1&3)
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Beam Spacing (03042)
Spacing is required for Distribution Factor and DL calculation
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AASHTO-PCI-BT-72 Bulb-Tee
Internally Stored Girder Sections in Win-DASH/P:
AASHTO I – VI
Bulb Tee BT-54, 63, & 72
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PC Section (04012)ID 0 is for internally stored AASHTO Girder. 72 is for BT-72
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Composite Section (calculated by Win-DASH/P)
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Strand Pattern (Ref. PCI Bridge Design Manual)
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Longitudinal Strand Profile(Ref. PCI Bridge Design Manual)
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Slab and Tendon Geometry (05032)
Lines 1-4 are for straight tendons input by rows.
Line 5 is for draped tendons input by groups where distance refers to the C.G. of the group
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AASHTO Live Loading (06012)
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Arbitrary Uniform and Concentrated Loads (11012)
SDL for wearing surface
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Auto Generation of Dead and Superimposed Dead Loads (02012)
Slab thickness for section property calculation and slab + integral wearing surface for DL calculation
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Slab Information (12034)
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Precast Beam Information (12036)
fc’ at 28 days is for service condition.fc’ at release is for initial condition
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Prestressing Steel Properties (04032)
fsi=0.75fs’ is used in this example
If leaving blanks, losses will be calculated by the program based on the AASHTO