Resistance Factor Resistance actor Φ shall be taken as ollow. M u : Factored moment at the section due to strength load combination ΦM n : Factored lexural resistance 1.1. Flexural resistance The actored lexural resistance shall satisy the ollowing condition, M u ΦM n.

restressed Concrete Girder Design:AASHTO-LRFD 7 th (2014) Strength Limit States 1. restressed Concrete Girder Design restressed concrete box girders and composite girders need to be designed to Serviceability Limit States Tensile stress or restressing tendons rincipal stress at service loads Check crackĩ Chapter 1. restressed Concrete Girder Design AASHTO LRFD 7 th (2014)Ĩ Chapter 1. Modeling Design Variables Shear Connector (2007) and 6th(2012)Ħ Span Checking Total Checking 149 Chapter Modeling and Design Variables 1. Torsion resistance Serviceability Limit States Tensile stress or restressing tendons rincipal stress at service loads rincipal stress at service loads Check crack 52 Steel Composite Girder Design 55 Modeling and Design Variables 1. restressed Concrete Girder Design Strength Limit States 1. The design guide covers prestressed concrete girder design, steel It is recommended that you read this guide and review corresponding help available in the program s main menu. The user shall also independently veriy the results produced by the program.Ĥ Foreword eatures and to provide relevant reerences to the clauses in the Design standards. Developers and distributors shall not be liable or loss o caused directly or indirectly by the MIDAS package, when used or any purpose or use, due to any deect or ully understand the bases o the program and become amiliar with the users manuals.

DISCLAIMER Developers and distributors assume no responsibility or the use o MIDAS Family rogram (midas Civil, midas FEA, midas FX+, midas Gen, midas Drawing, midas SDS, midas MIDAS package ) or or the accuracy or validity o any results obtained rom the MIDAS package. The design guide covers prestressed concrete girder design, steel composite girder design and steel composite It is recommended that you read this guide and review corresponding tutorials, which are ound on our web site, the program s main menu. The guide aims to provide eatures and to provide relevant reerences to the clauses in the Design standards. 1 DESIGN GUIDE or midas Civil AASHTO LRFD restressed Concrete Girder Design Steel Composite Girder Design Steel Composite Bridge Load Ratingģ analysis and design system.

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