Settings

ptAnalysisControls

Parameter

Data

Units

Type

Description

AnalysisMethod

LRFR

text

LFR or LRFR (default is LRFR)

AnalysisMode

2DL

text

2DL or 2DT (for transverse) Default is 2D. (Legacy 2DL=2D)

AutoFactBuild

N

chr

[Y|N] Automatic Factor builder. If Y rebuild ALL factors input per standard set for LFR and LRFR.

AutoLLBuild

N

chr

[Y|N] Automatic Live Load builder. If Y rebuild ALL live load input per standard set for LFR and LRFR. (ONLY for 2DL mode)

DLMult

1

real

Dead Load multiplyer. Factor to be applied to computed member gravity load.

DLNetSection

Y

chr

[Y|N] Use section with hand holes removed for gravity load calculations.

FilterByMbrType

Y

chr

[Y|N] Y=Filter Filter analysis by presence of truss members. If truss mbrs then ONLY do Truss analysis. If NO Truss mbrs then ONLY do line mbr analysis

IncludeDoubleTandem

N

chr

[Y|N] Include double tandem with HL93? Default for WSDOT is N. CalTrans includes this, so state Y

IntrBeam

Y

chr

[Y|N] for LRFR is this an interior beam analysis

MRatio

8

real

Modular Ratio Override. If not zero use this value instead of computed Es/Ec

MaxAllowDeformation

1

FET

real

(Feet) Maximum allowable deformation during load analysis.

Phi_b

1.00

real

LRFR Resistance factor for bearings (AASHTO 6.5.4.2 – 2020 edition)

Phi_bs

0.80

real

LRFR Resistance factor for block shear (AASHTO 6.5.4.2 – 2020 edition)

Phi_c

0.95

real

LRFR Resistance factor for axial compression (AASHTO 6.5.4.2 – 2020 edition)

Phi_f

1.00

real

LRFR Resistance factor for flexure (AASHTO 6.5.4.2 – 2020 edition)

Phi_s

0.80

real

LRFR Resistance factor for bolts in shear (AASHTO 6.5.4.2 – 2020 edition)

Phi_system

1.00

real

LRFR System factor for flexure and axial (WSDOT BDM Chapter 13, section 13.1.1.C – 2023 edition)

Phi_u

0.80

real

LRFR Resistance factor for tension, fracture in net section (AASHTO 6.5.4.2 – 2020 edition)

Phi_v

1.00

real

LRFR Resistance factor for shear (AASHTO 6.5.4.2 – 2020 edition)

Phi_vu

0.80

real

LRFR Resistance factor for shear, rupture in connection elements (AASHTO 6.5.4.2 – 2020 edition)

Phi_y

0.95

real

LRFR Resistance factor for tension, yielding in gross section (AASHTO 6.5.4.2 – 2020 edition)

RatePlotLimit

2.00

real

When plotting rating, limit the scale to this value

RiderDist

0

FET

real

Distance per iteration for lane load rider (default if 0 is tenth of span).

Rp

1

real

Reduction factor for holes. Use 0.90 for bolt holes punched full size and 1.0 for bolt holes drilled full size or subpunched and reamed to size

Rpt2DTForces

N

chr

[Y|N] Y=Generate a 2DT_Forces report if 2DT analysis.

RptCap

N

chr

[Y|N] Y=Generate capacity and rating calculations file.

RptCapTrace

N

chr

[Y|N] Y=Generate capacity and rating calculations file.

RptCapTraceTenthPts

N

chr

[Y|N] If RptCapTrace is Y then reduce line member trace to near tenth points only.

RptFEA

N

chr

[Y|N] Y=Generate FEA forces file. (Warning, file can be quite large!)

RptFEACtrlTruck

N

chr

[Y|N] Y=If generating a FEA file also include controlling truck information

RptInfSurf

N

text

[Y/N] Y=Influence surface report. (warning large file generated)

RptPrependMethod

N

chr

[Y|N] Y=Report file names will be prepended with either LFR or LRFR

RptSect

Y

chr

[Y|N] Y=Generate section properties report.

RptSummary

Y

chr

[Y|N] Y=Generate Rating summary report.

RptTruckLoading

N

text

[Y|mbr] Y=ALL or mbr=Name of Member to report raw trucking loading. Leave blank to disable. (warning large file generated)

RptTrussForces

N

text

[Y|N] Y=Generate a truss force report.

ShrCapFct

Y

chr

[Y|N] Y=For Inv. & Opr. Capacity, use Inv. factors for M in AASHTO eq. 10-118.

StopAtDL

N

chr

[Y|N] Y= Run bridge only up through Deadload analysis.

TrussDLonEnds

N

chr

[Y|N] Y= Gravity for truss mbrs applied at end nodes only not as linear load.

WetSlab

Y

chr

[Y|N] Y= Use a very low E for slab plates in final DL stage.