Transcription of Example of Monopitch roof - runet-software.com
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Exam ples of Trussed rafter (m onopitch) CONTENTS 1. roof -002, Trussed raf ter General description, assumptions, materials, loads Construction type Design codes Design methodology Material properties (truss, purlins) Distributed roof loads Snow load Wind loading Design of purlins Serv iceability limit s tate, Control of def lection Check of purlins, Ultimate limit state of design Truss design Truss static analysis Static solutions f or unit loads Internal f orces f or applied loads Element end f orces f or applied loads Vertical nodal displacements (in mm) Support reactions (kN) Support reactions f or load combinations (kN) Reactions at node : 3 (kN) Reactions at node : 1 (kN) Serv ic eability limit s tate Serv iceability limit s tate, Control of def lection at node 4 Serv iceability limit s tate, Control of def lection in middle of element 1 Serv iceability limit s tate, Control of def lection in middle of element 3 Characteristic structural natural f requencies (self w eight + permanent loads) Ultimate limit state, Raf ter, elements: 1, 2 Check of cross section Raf ter, elements: 1, 2 Ul
Example of Monopitch roof 1.1.3. Design methodology The internal forces of the roof trusses are computed with finite element analysis. The truss is
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