ANALYSIS AND DESIGN OF PEB ANALYSIS AND DESIGN OF PEB BY I.S.& INTERNATIONAL CODEBY I.S.& INTERNATIONAL CODE

SUMMERY OF PREVIOUS SESSIONSUMMERY OF PREVIOUS SESSION

INTRODUCTION INTRODUCTION COMPONENTCOMPONENT APPLICATIONAPPLICATION FIELD ADVANTAGESFIELD ADVANTAGES DESIGN CODES DESIGN CODES LITERATURE SURVEYLITERATURE SURVEY

PROJECT WORK PARAMETER

1.Structural Analysis 2.Structural Design

STRUCTURAL ANALYSISSTRUCTURAL ANALYSIS

Static AnalysisStatic Analysis Dynamic AnalysisDynamic Analysis

STATIC ANALYSISSTATIC ANALYSIS

The software provides option for hinged, The software provides option for hinged, fixed and spring supports with releases so fixed and spring supports with releases so analyse or requirement.analyse or requirement.

Multiple analysis also can be done Multiple analysis also can be done simultaneously which reduces the time.simultaneously which reduces the time.

DYNAMIC ANALYSISDYNAMIC ANALYSIS

Dynamic analysis has been done in the Dynamic analysis has been done in the present work taking seismic load and wind present work taking seismic load and wind load in to consideration.load in to consideration.

The software also provide loading for The software also provide loading for joints,members,element including joints,members,element including concentration, uniform, linear, trapezoidal,concentration, uniform, linear, trapezoidal,

strain,support displacement,prestress and strain,support displacement,prestress and fixed end loads.fixed end loads.

STRUCTURAL DESIGNSTRUCTURAL DESIGN

Steps of DesignSteps of Design

Design of intermediate purlinDesign of intermediate purlin

Design of intermediate gable frameDesign of intermediate gable frame

Design of vertical memberDesign of vertical member

Design of rafterDesign of rafter

Design of stiffeners at eaves cornerDesign of stiffeners at eaves corner

Design of base plate and anchor boltsDesign of base plate and anchor bolts

CONTD…CONTD… Design of end gable frameDesign of end gable frame

Design of critical vertical memberDesign of critical vertical member

Design of critical portion of rafterDesign of critical portion of rafter

Design of eaves strutDesign of eaves strut

Design of wall bracing Design of wall bracing

Design of rafter bracingDesign of rafter bracing

Design of purlins at the ridgeDesign of purlins at the ridge

Design of girtDesign of girt

PROBLEM STATEMENTPROBLEM STATEMENT

DESIGN OF INTERMEDIATE PURLINDESIGN OF INTERMEDIATE PURLIN

Moment carrying capacity of sectioMoment carrying capacity of sectio

= Z= Zzz*f*fbb

=70.5*103*161=70.5*103*161

=11kNm>7.85kNm…..OK=11kNm>7.85kNm…..OK Wt of purlin per m= Mass*9.81Wt of purlin per m= Mass*9.81

=7.59*9.81=7.59*9.81

=74.46N/m=74.46N/m

DESIGN OF INTERMEDIATE DESIGN OF INTERMEDIATE GABLE FRAMEGABLE FRAME

External pressure coefficient for windward External pressure coefficient for windward wall (A) = 0.7wall (A) = 0.7

External pressure coefficient for leeward External pressure coefficient for leeward

wall (B) = -0.25wall (B) = -0.25 With internal pressure coefficient Cpi = 0.2With internal pressure coefficient Cpi = 0.2 (Cpe-Cpi) for windward wall (A)=0.7-0.2=0.5(Cpe-Cpi) for windward wall (A)=0.7-0.2=0.5 (Cpe-Cpi) for leeward wall(B)=-0.25-0.2=-0.45(Cpe-Cpi) for leeward wall(B)=-0.25-0.2=-0.45 From equation F=(Cpe-Cpi)*A*PzFrom equation F=(Cpe-Cpi)*A*Pz Wind force on windward column per m Wind force on windward column per m

height= 0.5*6.0*1.146=3.44kN/Mheight= 0.5*6.0*1.146=3.44kN/M

(Cpe-Cpi) for wall A&B =-0.5-0.2=-0.7(Cpe-Cpi) for wall A&B =-0.5-0.2=-0.7 Wind force on each column per m heightWind force on each column per m height

=-0.7*6.0*1.146=-4.8kN/m=-0.7*6.0*1.146=-4.8kN/m Load combinationLoad combination

1) Dead load+ Live load (DL+LL)1) Dead load+ Live load (DL+LL)

2) Dead load + Wind load (DL+WL)2) Dead load + Wind load (DL+WL) ANALYSISANALYSIS

The gable frame are analysed by software The gable frame are analysed by software

STAAD PRO. STAAD PRO.

FURTHER PLANNINGFURTHER PLANNING

Plant visitPlant visit Site visitSite visit Collection of PEB componentCollection of PEB component Analysis and design manuallyAnalysis and design manually Analysis and design with STAAD PRO Analysis and design with STAAD PRO

using IS and AISC (360-10)using IS and AISC (360-10)