11. For turning at slow speeds, no dynamic load allowance (impact) is included with a maximum roadway superelevation of 6% 12. Wind, centrifugal and seismic forces are not considered 6-02.3(25)L3 Allowable Stresses Prestressed concrete girder stresses shall be limited to the following values at all stages of construction and in service: Condition Stress Location Allowable Stress (ksi) Temporary Tensile In areas without bonded Stress at reinforcement sufficient Transfer to resist the tensile force and Lifting in the concrete from In areas with bonded Casting reinforcement sufficient Bed to resist the tensile force in the concrete Compressive All locations Temporary Tensile In areas without bonded Stress at reinforcement sufficient Shipping to resist the tensile force and in the concrete Erection In areas with bonded reinforcement sufficient to resist the tensile force in the concrete In areas with bonded reinforcement sufficient to resist the tensile force in the concrete when shipping at 6% superelevation, without impact Compressive All locations Tensile Precompressed tensile Stresses zone at Service Compressive Effective prestress and Load permanent loads Effective prestress, permanent and transient (live) loads Compressive Fatigue I Load Stresses Combination plus at Fatigue effective prestress Load and permanent loads Variables are as defined in the AASHTO LRFD Bridge Design Specifications.
11. For turning at slow speeds, no dynamic load allowance (impact) is included with a maximum roadway superelevation of 6% 12. Wind, centrifugal and seismic forces are not considered 6-02.3(25)L3 Allowable Stresses Prestressed concrete girder stresses shall be limited to the following values at all stages of construction and in service: Condition Stress Location Allowable Stress (ksi) Temporary Stress at Transfer and Lifting from Casting Bed Tensile In areas without bonded reinforcement sufficient to resist the tensile force in the concrete In areas with bonded reinforcement sufficient to resist the tensile force in the concrete Compressive All locations Temporary Stress at Shipping and Erection Tensile In areas without bonded reinforcement sufficient to resist the tensile force in the concrete In areas with bonded reinforcement sufficient to resist the tensile force in the concrete In areas with bonded reinforcement sufficient to resist the tensile force in the concrete when shipping at 6% superelevation, without impact Compressive All locations Stresses at Service Load Tensile Precompressed tensile zone Compressive Effective prestress and permanent loads Effective prestress, permanent and transient (live) loads Stresses at Fatigue Load Compressive Fatigue I Load Combination plus effective prestress and permanent loads Variables are as defined in the AASHTO LRFD Bridge Design Specifications.
2016BookAmendments.docx