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资料名称:
美国AASHTO 人行天桥规范2009版
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1,544,065(字节)
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sico1980
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规范标准
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美国AASHTO 人行天桥规范2009版
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LRFD Guide Specifications for the Design of Pedestrian Bridges 2009 pdf共38页 1—GENERAL 1.1—Scope 1.2—Manufacturer-Designed Systems 1.3—Collision Mitigation 2—PHILOSOPHY 3—LOADS 3.1—Pedestrian Loading (PL) 3.2—Vehicle Load (LL) 3.3—Equestrian Load (LL) 3.4—Wind Load (WS) 3.5—Fatigue Load (LL) 6 3.6—Application of Loads 3.7—Combination of Loads 4—FATIGUE 4.1—Resistance 4.2--Fracture 5—DEFLECTIONS 6—VIBRATIONS 7—STABILITY 7.1—Half-Through Trusses 7.1.1—Lateral Frame Design Force 7.1.2—Top Chord Stability 7.1.3—Alternative Analysis Procedures 7.2—Steel Twin I-Girder and Single Tub Girder Systems 7.2.1—General 7.2.2—Lateral-Torsional Buckling Resistance—Twin I-Girder 7.2.3—Lateral-Torsional Buckling Resistance—Singly Symmetric Sections 8—TYPE SPECIFIC PROVISIONS 8.1—Arches 8.2—Steel HSS Members 8.2.1—General 8.2.2—Detailing 8.2.3—Tubular Fracture Critical Members 8.3—Fiber Reinforced Polymer (FRP) Members 9—DESIGN EXAMPLE Illustrative Example of Key Provisions of Guide Specifications General Information Truss Members: All Rectangular HSS Floorbeams Dead Load Pedestrian Live Load Vehicle Load Wind Load Total Vertical Loads per Truss Truss Member Design Loads Truss Top Chord Lateral Support Top Chord Compressive Resistance Lateral Force to Be Resisted by Verticals End Posts Deflection Vibrations Vertical Direction Lateral Direction Fatigue
