Structural assessment of current steel design models for transmission and telecommunication towers
The usual methods of structural analysis involved in the design of steel telecommunication and transmission towers tend to assume a simple truss behaviour where all the steel element connections are considered hinged. Despite this fact, the most commonly used tower geometries possess structural mech...
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| Veröffentlicht in: | Journal of constructional steel research 2005-08, Vol.61 (8), p.1108-1134 |
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| container_title | Journal of constructional steel research |
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| creator | da Silva, J.G.S. Vellasco, P.C.G. da S. de Andrade, S.A.L. de Oliveira, M.I.R. |
| description | The usual methods of structural analysis involved in the design of steel telecommunication and transmission towers tend to assume a simple truss behaviour where all the steel element connections are considered hinged. Despite this fact, the most commonly used tower geometries possess structural mechanisms that could compromise the assumed structural behaviour. A possible explanation for the structure stability is related to the actual behaviour being close to semi-rigid connections instead of the assumed hinged connections. This paper proposes an alternative structural analysis modelling strategy for the steel tower design considering all the actual structural forces and moments combining three-dimensional beam and truss finite elements. Comparisons of the two above-mentioned design methods with a third method based on the use of spatial beam finite elements to model the main structure and the bracing system on two actually built steel telecommunication towers (40 and 75 m high steel towers) are described. The comparison is based on an extensive parametric study of the tower geometry in order to access the structural tower ultimate and serviceability limit states. |
| doi_str_mv | 10.1016/j.jcsr.2005.02.009 |
| format | Article |
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Despite this fact, the most commonly used tower geometries possess structural mechanisms that could compromise the assumed structural behaviour. A possible explanation for the structure stability is related to the actual behaviour being close to semi-rigid connections instead of the assumed hinged connections. This paper proposes an alternative structural analysis modelling strategy for the steel tower design considering all the actual structural forces and moments combining three-dimensional beam and truss finite elements. Comparisons of the two above-mentioned design methods with a third method based on the use of spatial beam finite elements to model the main structure and the bracing system on two actually built steel telecommunication towers (40 and 75 m high steel towers) are described. 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Despite this fact, the most commonly used tower geometries possess structural mechanisms that could compromise the assumed structural behaviour. A possible explanation for the structure stability is related to the actual behaviour being close to semi-rigid connections instead of the assumed hinged connections. This paper proposes an alternative structural analysis modelling strategy for the steel tower design considering all the actual structural forces and moments combining three-dimensional beam and truss finite elements. Comparisons of the two above-mentioned design methods with a third method based on the use of spatial beam finite elements to model the main structure and the bracing system on two actually built steel telecommunication towers (40 and 75 m high steel towers) are described. The comparison is based on an extensive parametric study of the tower geometry in order to access the structural tower ultimate and serviceability limit states.</description><subject>Spatial structures</subject><subject>Stability analysis</subject><subject>Static and dynamical behaviour</subject><subject>Steel structures</subject><subject>Steel tower design</subject><subject>Structural steel design and behaviour</subject><subject>Telecommunication and transmission towers</subject><issn>0143-974X</issn><issn>1873-5983</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp9kE9r3DAQxUVoodttvkBPOuVmdySvZQl6KUv-FBZySAu5Ca00Dlpsa6ORG_Lta7M99zDMMLw3vPkx9lVALUCob6f65CnXEqCtQdYA5opthO6aqjW6-cA2IHZNZbrd8yf2megEANo0esOOTyXPvszZDdwRIdGIU-Gp537OeR2pIA48IMWXiY8p4EC8T5mX7CYaI1FME3dT4AUH9Gkc5yl6V9ZtSW-Y6Qv72LuB8Ppf37Lfd7e_9g_V4fH-5_7HofJNI0olglDSS6U72YXQqVYGBUYJpbreGYCdXypooUCEI3ZBHHcOtTG680bLAM2W3VzunnN6nZGKXdJ5HAY3YZrJSt2a1gi1COVF6HMiytjbc46jy-9WgF1x2pNdcdoVpwVpF5yL6fvFtPyPfyJmSz7i5DHEjL7YkOL_7H8BHySATg</recordid><startdate>20050801</startdate><enddate>20050801</enddate><creator>da Silva, J.G.S.</creator><creator>Vellasco, P.C.G. da S.</creator><creator>de Andrade, S.A.L.</creator><creator>de Oliveira, M.I.R.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20050801</creationdate><title>Structural assessment of current steel design models for transmission and telecommunication towers</title><author>da Silva, J.G.S. ; Vellasco, P.C.G. da S. ; de Andrade, S.A.L. ; de Oliveira, M.I.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-1d162c268727dd7652d60961667fa9004c004d81601dbe7d1b4ae89987c982d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Spatial structures</topic><topic>Stability analysis</topic><topic>Static and dynamical behaviour</topic><topic>Steel structures</topic><topic>Steel tower design</topic><topic>Structural steel design and behaviour</topic><topic>Telecommunication and transmission towers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>da Silva, J.G.S.</creatorcontrib><creatorcontrib>Vellasco, P.C.G. da S.</creatorcontrib><creatorcontrib>de Andrade, S.A.L.</creatorcontrib><creatorcontrib>de Oliveira, M.I.R.</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Journal of constructional steel research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>da Silva, J.G.S.</au><au>Vellasco, P.C.G. da S.</au><au>de Andrade, S.A.L.</au><au>de Oliveira, M.I.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural assessment of current steel design models for transmission and telecommunication towers</atitle><jtitle>Journal of constructional steel research</jtitle><date>2005-08-01</date><risdate>2005</risdate><volume>61</volume><issue>8</issue><spage>1108</spage><epage>1134</epage><pages>1108-1134</pages><issn>0143-974X</issn><eissn>1873-5983</eissn><abstract>The usual methods of structural analysis involved in the design of steel telecommunication and transmission towers tend to assume a simple truss behaviour where all the steel element connections are considered hinged. Despite this fact, the most commonly used tower geometries possess structural mechanisms that could compromise the assumed structural behaviour. A possible explanation for the structure stability is related to the actual behaviour being close to semi-rigid connections instead of the assumed hinged connections. This paper proposes an alternative structural analysis modelling strategy for the steel tower design considering all the actual structural forces and moments combining three-dimensional beam and truss finite elements. Comparisons of the two above-mentioned design methods with a third method based on the use of spatial beam finite elements to model the main structure and the bracing system on two actually built steel telecommunication towers (40 and 75 m high steel towers) are described. 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| ispartof | Journal of constructional steel research, 2005-08, Vol.61 (8), p.1108-1134 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Spatial structures Stability analysis Static and dynamical behaviour Steel structures Steel tower design Structural steel design and behaviour Telecommunication and transmission towers |
| title | Structural assessment of current steel design models for transmission and telecommunication towers |
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