LEADER 01202nam0 22002771i 450 001 UON00421539 005 20231205104825.854 010 $a978-92-950433-7-4 100 $a20130402d2009 |0itac50 ba 101 $aeng 102 $aDE 105 $a|||| ||||| 200 1 $aAfrican drylands commodity atlas 210 $aBonn$cUnited Nations Convention to Combat Desertification$eUNCCD$d2009 215 $a71 p.$cill.$d30 cm 316 $aDono Prof. Ercolessi$5IT-UONSI AFRSP/571 606 $aAGRICOLTURA$xAfrica$xAtlanti$3UONC083722$2FI 620 $aDE$dBonn$3UONL000478 676 $a363.8$cAPPROVVIGIONAMENTO ALIMENTARE. PROBLEMI DELL'ALIMENTAZIONE / CARESTIE$v21 712 $aSecratariat of the United Nations Convention to Combat Desertification and the Common Fund for Commodities$3UONV280262$4650 801 $aIT$bSOL$c20240220$gRICA 899 $aSIBA - SISTEMA BIBLIOTECARIO DI ATENEO$2UONSI 912 $aUON00421539 950 $aSIBA - SISTEMA BIBLIOTECARIO DI ATENEO$dSI AFR SP 571 $eSI 4755 7 571 Dono Prof. Ercolessi 996 $aAfrican drylands commodity atlas$91333718 997 $aUNIOR LEADER 08667nam 22005053 450 001 9910811116903321 005 20231110222458.0 010 $a0-7844-8301-9 035 $a(MiAaPQ)EBC29044384 035 $a(Au-PeEL)EBL29044384 035 $a(CKB)20974199700041 035 $a(OCoLC)1294146352 035 $a(EXLCZ)9920974199700041 100 $a20220127d2021 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aDesign of Steel Lighting System Support Pole Structures 205 $a1st ed. 210 1$a :$cAmerican Society of Civil Engineers,$d2021. 210 4$dİ2021. 215 $a1 online resource (81 pages) 225 1 $aStandards ;$vv.ASCE/SEI 72-21 311 08$aPrint version: Engineers, American Society of Civil Design of Steel Lighting System Support Pole Structures : American Society of Civil Engineers,c2021 327 $aIntro -- CONTENTS -- PREFACE -- ACKNOWLEDGMENTS -- Chapter 1: General -- 1.1 Scope -- 1.2 Definitions -- Chapter 2: Loads -- 2.1 Scope -- 2.2 SYMBOLS for Construction Load -- 2.3 Classification of Structures -- 2.4 Combinations of Loads -- 2.5 Dead Load -- 2.6 Live Load -- 2.7 Wind Load -- 2.7.1 Scope -- 2.7.2 Symbols for Wind Load -- 2.7.3 General Requirements -- 2.7.4 Shielding -- 2.7.5 Strength Design of Supporting Structures -- 2.7.5.1 Design Wind Force Applied to Supporting Structures -- 2.7.5.2 Design Wind Force Applied to Lighting Fixtures -- 2.7.5.2.1 Effective Projected Area of Fixtures -- 2.7.5.3 Design Wind Force Applied to Mounting Systems -- 2.7.5.4 Design Wind Force Applied to Appurtenances -- 2.7.6 Strength Design of Attachments -- 2.8 Earthquake Load -- 2.8.1 Scope -- 2.8.2 Symbols for Earthquake Load -- 2.8.3 General Requirements -- 2.8.4 Analysis Considerations -- 2.8.4.1 Structural Analysis Considerations -- 2.8.4.2 Equivalent Lateral Force Procedure -- 2.8.4.2.1 Fundamental Period Calculation -- 2.8.4.3 Modal Response Spectrum Analysis -- 2.8.4.3.1 Base Shear and Modal Mass Contributed by Each Mode -- 2.8.4.3.2 Seismic Forces Contributed by Each Mode -- 2.8.5 Overstrength Factor -- 2.9 Fatigue Load -- 2.9.1 Scope -- 2.9.2 General Requirements -- 2.10 Stiffness Requirement -- 2.10.1 Scope -- 2.10.2 General Requirements -- Chapter 3: Steel Design -- 3.1 Scope -- 3.2 Symbols -- 3.3 Analysis -- 3.4 Design Strength -- 3.5 Materials -- 3.5.1 Prequalified Structural Steel Material -- 3.5.1.1 Supplementary Requirements -- 3.5.2 Other Structural Steel Material -- 3.5.3 Fasteners -- 3.5.4 Anchor Rods -- 3.5.5 Test Reports -- 3.6 Corrosion Control -- 3.6.1 Members and Components -- 3.6.2 Fasteners -- 3.6.3 Anchor Rods -- 3.6.4 Direct Embed Foundations -- 3.7 Member Properties -- 3.7.1 Round Members -- 3.7.2 Multisided Members. 327 $a3.8 Effective Yield Strengths -- 3.8.1 Tubular Round Members -- 3.8.2 Multisided Members -- 3.9 Tubular Pole Design Strength -- 3.9.1 Combined Axial Force, Shear, and Moments -- 3.9.1.1 Nominal Axial Compressive Strength -- 3.9.1.2 Nominal Flexural Strength -- 3.9.1.2.1 Tubular Round Members -- 3.9.1.2.2 Multisided Members -- 3.9.1.3 Nominal Shear and Torsional Strengths -- 3.9.1.3.1 Tubular Round Members -- 3.9.1.3.2 Multisided Members -- 3.10 Connections -- 3.10.1 Pole Slip Splices -- 3.10.2 Flange Plates -- 3.10.2.1 Socketed Connections -- 3.10.2.2 Butt-Welded Connections -- 3.11 Components and Attachments -- 3.12 Anchor Rod Strength -- Chapter 4: Fatigue Design -- 4.1 Scope -- 4.2 Symbols -- 4.3 Fatigue Analysis -- 4.4 Fatigue Thresholds -- 4.4.1 Pole Sections -- 4.4.2 Slip Splices -- 4.4.3 Circumferential Welds -- 4.4.4 Welded Attachments -- 4.4.5 Reinforced Holes and Cutouts -- 4.4.6 Unreinforced Holes and Cutouts -- 4.4.7 Pole-to-Flange Plate Connections -- 4.4.7.1 Effective Center Opening Diameter -- 4.4.7.2 Stiffener Connection with Flange Plates -- 4.4.8 Anchor Rods -- 4.4.9 Bolts -- 4.5 Miscellaneous Fatigue Strength Requirements -- 4.5.1 Pole Cross Sections -- 4.5.2 Holes and Cutouts -- 4.5.3 Flange Plates -- 4.5.4 Butt-Welded Pole-to-Flange Plate Connections -- 4.5.5 Socketed Pole-to-Flange Plate Connections -- 4.5.6 Stiffened Pole-to-Flange Plate Connections -- 4.5.7 Foundations -- Chapter 5: Foundation Design -- 5.1 Scope -- 5.2 Symbols -- 5.3 General -- 5.3.1 Foundation Analysis -- 5.3.2 Longitudinal Reinforcement -- 5.3.3 Transverse Reinforcement -- 5.3.4 Shrinkage and Temperature Reinforcement -- 5.4 Site Investigation -- 5.4.1 Concrete Mix Design -- 5.4.2 Frost Depth -- 5.4.3 Expansive Soil -- 5.4.4 High Water Table -- 5.5 Drilled Shaft and Direct Embed Foundations -- 5.5.1. Direct Embed Effective Foundation Diameter. 327 $a5.6 Mat Foundations -- 5.7 Corrosion Control -- 5.7.1 Direct Embed Steel Sections -- 5.7.1.1 Ground Sleeves -- 5.7.2 Direct Embed Precast Concrete Sections -- 5.8 Design Strength of Soil or Rock -- 5.9 Development of Anchor Rods -- 5.9.1 Deformed Anchor Rods -- 5.9.2 Headed Anchor Rods -- 5.10 Seismic Considerations -- 5.10.1 Longitudinal Reinforcement -- 5.10.2 Transverse Reinforcement -- 5.10.3 Batter Piles -- Chapter 6: Fabrication -- 6.1 Scope -- 6.2 General -- 6.3 Materials -- 6.4 Welding -- 6.4.1 Tack Welds -- 6.4.2 Seam Welds -- 6.4.3 Backing -- 6.4.4 Fit-Up -- 6.4.5 Anchor Rods -- 6.4.6 Weld Inspections -- 6.4.6.1 Ultrasonic Testing -- 6.5 Shearing -- 6.6 Burning -- 6.7 Punching Holes -- 6.8 Forming -- 6.9 Galvanizing -- 6.10 Additional Coatings -- 6.11 Fabrication Tolerances -- Chapter 7: Installation -- 7.1 Scope -- 7.2 General -- 7.3 Direct Embed Foundations -- 7.4 Drilled Shaft Foundations -- 7.5 Anchor Rods -- 7.5.1 Anchor Rod Tightening -- 7.6 Pole Slip Splices -- 7.7 Pole Flange Plate Splices -- 7.8 Miscellaneous Bolted Connections -- 7.9 Installation Tolerances -- Chapter 8: Inspections, Assessments, and Maintenance -- 8.1 Scope -- 8.2 Initial Construction Inspections -- 8.3 Periodic Condition Assessments -- 8.3.1 Evaluation of Dents in Steel Poles -- 8.4 Damage Assessments -- 8.5 Additional Examination Requirements -- 8.6 Maintenance -- 8.6.1 Grouted Base Flange Plates -- Appendix A: Geotechnical Investigations -- Appendix B: Damage and Condition Assessment Examples -- Chapter C1: General -- C1.1 Scope -- Chapter C2: Loads -- C2.1 Scope -- C2.3 Classification of Structures -- C2.4 Combinations of Loads -- C2.7.1 Scope -- C2.7.3 General Requirements -- C2.7.5 Strength Design of Supporting Structures -- C2.7.5.2.1 Effective Projected Area of Fixtures -- C2.7.5.3 Design Wind Force Applied to Mounting Systems -- C2.9.1 Scope. 327 $aC2.9.2 General Requirements -- Chapter C3: Steel Design -- C3.3 Analysis -- C3.4 Design Strength -- C3.5 Materials -- C3.6.3 Anchor Rods -- C3.12 Anchor Rod Strength -- Chapter C4: Fatigue Design -- C4.1 Scope -- C4.3 Fatigue Analysis -- -- C4.4.7.2 Stiffener Connection with Flange Plates -- C4.4.8 Anchor Rods -- C4.4.9 Bolts -- C4.5.6 Stiffened Pole-to-Flange Plate Connections -- Chapter C5: Foundation Design -- C5.3 General -- C5.4 Site Investigation -- C5.10 Seismic Considerations -- Chapter C6: Fabrication -- C6.3 Materials -- C6.4.6 Weld Inspections -- C6.7 Punching Holes -- C6.8 Forming -- C6.9 Galvanizing -- C6.10 Additional Coatings -- Chapter C7: Installation -- C7.2 General -- C7.3 Direct Embed Foundations -- C7.5 Anchor Rods -- C7.5.1 Anchor Rod Tightening -- C7.9 Installation Tolerances -- Chapter C8: Inspections, Assessments, and Maintenance -- C8.1 Scope -- C8.3 Periodic Condition Assessments -- C8.3.1 Evaluation of Dents in Steel Poles -- C8.5 Additional Examination Requirements -- C8.6 Maintenance -- C8.6.1 Grouted Base Flange Plates -- REFERENCES -- INDEX. 330 $aDesign of Steel Lighting System Support Pole Structures, ASCE/SEI 72-21, provides design parameters applicable to self-supporting structures, with base plates for installation on a concrete pier foundation, or as direct embedded, backfilled poles with the base section being either steel or concrete. 410 0$aStandards 606 $aRoads$xLighting$xSupports$xDesign and construction$xStandards 606 $aTubular steel structures$xDesign and construction$xStandards 615 0$aRoads$xLighting$xSupports$xDesign and construction$xStandards. 615 0$aTubular steel structures$xDesign and construction$xStandards. 676 $a625.7/9 700 $aEngineers$b American Society of Civil$01670424 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910811116903321 996 $aDesign of Steel Lighting System Support Pole Structures$94032273 997 $aUNINA