Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Roman Lenner"'
1
Partial factors and reliability verification for the site load factor approach for the assessment of existing bridges
Autor: Sergi Pérez Sifre, Roman Lenner
Publikováno v: Structures. 33:307-317
Fundamental concepts of the developed site load-factor approach for the assessment of existing bridges are introduced in this contribution. The method is complemented by the calibration of the partial factors accounting for uncertainties. The calibra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5635ba81b00bab13260cd6668b56a583
https://doi.org/10.1016/j.istruc.2021.01.015
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2
Green-glued engineered products from fast growing Eucalyptus trees: a review
Autor: Michela Nocetti, Michael K. Dugmore, Calvin L. Pagel, Phillip L. Crafford, C. Brand Wessels, Zahra Naghizadeh, Michele Brunetti, Marco Pröller, Roman Lenner
Publikováno v: Holz als Roh-und Werkstoff
78 (2020): 933–940. doi:10.1007/s00107-020-01553-6
info:cnr-pdr/source/autori:Wessels C.B., Nocetti M., Brunetti M., Crafford P.L., Pröller M., Dugmore M.K., Pagel C., Lenner R., Naghizadeh Z./titolo:Green-glued engineered products from fast growing Eucalyptus trees: a review/doi:10.1007%2Fs00107-020-01553-6/rivista:Holz als Roh-und Werkstoff (Print)/anno:2020/pagina_da:933/pagina_a:940/intervallo_pagine:933–940/volume:78
The objectives of the work described in this paper were to present concept processing pathways for manufacturing high value, green-glued finger-jointed Eucalyptus engineered products and review existing research related to these engineered products.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f6b0e57c88611a5c28485b0fc7f4352
https://doi.org/10.1007/s00107-020-01553-6
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4
Multiple lane reduction factors based on multiple lane weigh in motion data
Autor: Pierre van der Spuy, Tertius de Wet, Colin Christopher Caprani, Roman Lenner
Publikováno v: Structures. 20:543-549
Multiple lane presence reduction factors are widely used in traffic load models for bridge design to account for the reduced probability of multiple heavy vehicles occurring simultaneously in adjacent lanes. It is custom to reduce the single lane loa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cfb272bce57d9db906610fb262001a5
https://doi.org/10.1016/j.istruc.2019.06.001
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5
Towards a New Bridge Live Load Model for South Africa
Autor: Roman Lenner, Pierre van der Spuy
Publikováno v: Structural Engineering International. 29:292-298
South Africa’s bridge design code, TMH7, was first introduced in 1981. In deriving the code a fully probabilistic approach was not possible due to insufficient data at the time. Various studies hav...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da309489be9b83b384c2a9d0a3c4055d
https://doi.org/10.1080/10168664.2018.1561168
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6
Reliability performance of bridges designed according to TMH7 NA load model
Autor: P F Sýkora, S E Basson, Roman Lenner, M Sýkora
Publikováno v: Journal of the South African Institution of Civil Engineering, Volume: 63, Issue: 1, Pages: 24-36, Published: MAR 2021
The current code of practice for the design of highway bridges in South Africa is called Technical Methods for Highways 7 (TMH7). It was first published in 1981 and is largely based on the loading provisions of the BS5400. The purpose of this study i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::036235e5acc2c37305cb31dfcf120ed8
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1021-20192021000100003&lng=en&tlng=en
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7
Traffic loads for the assessment of existing bridges
Autor: Miroslav Sýkora, Pierre van der Spuy, Vazul Boros, André Orcesi, Roman Lenner, Franziska Schmidt, Alan O'Connor
Publikováno v: IABSE Congress Reports.
IABSE TG 1.3 aims to identify appropriate approaches for applications of the partial factor format in assessment of existing bridges. A sub-group was formed to investigate and provide recommendations on updating road traffic loads. Commonly, these ar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e40b3620d5a2db69d1d154f4e84fc279
https://doi.org/10.2749/ghent.2021.1040
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9
Dynamics of long multi-trailer heavy vehicles crossing short to medium span length bridges
Autor: M.W. Meyer, Roman Lenner, Daniel Cantero
Publikováno v: Engineering Structures. 247:113149
Around the world, many countries experience an increase in the demand for freight to be transported by road. One solution is to introduce larger heavy vehicles, which have the capability of transporting more freight. These vehicles have more trailers
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8ebd9886972f4454234e7836b4d364d
https://doi.org/10.1016/j.engstruct.2021.113149
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10
Reliability verification of bridges designed according to TMH-7
Autor: Roman Lenner, S.E. Basson
Publikováno v: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications ISBN: 9780429426506
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbbca21fa4dd3987524e7f26e636c5a5
https://doi.org/10.1201/9780429426506-322
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