Výsledky vyhledávání - "Carin L. Roberts Wollmann"

Repair of Damaged Prestressed Concrete Girders with FRP and FRCM Composites

Autor: Tommy Cousins, Carin L. Roberts-Wollmann, Diana Arboleda, Antonio Nanni, Vanessa Pino

Publikováno v: Journal of Composites for Construction. 21

Traditional methods used to repair prestressed concrete (PC) girders subjected to impact damage due to overheight vehicles include strand splicing and external posttensioning. These methods...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e2156595204d29b983cbb250d03192d
https://doi.org/10.1061/(asce)cc.1943-5614.0000773

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Investigation of the Effects of Transverse Bending in a Composite Inverted T-Slab Bridge System

Autor: Tommy Cousins, Carin L. Roberts Wollmann, Fatmir Menkulasi, Matthew Mercer

Publikováno v: Journal of Bridge Engineering. 22

The composite inverted T-slab bridge system provides an accelerated bridge construction alternative for short- to medium-span bridges with spans ranging from 6.1 to 20 m. The system consists of adjacent precast inverted T-slabs with a cast-in-place (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4fb8132402957230b91080ef382c841c
https://doi.org/10.1061/(asce)be.1943-5592.0000974

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A practical approach for finite-element modeling of transfer length in pretensioned, prestressed concrete members using end-slip methodology

Autor: J. Chris Carroll, Carin L. Roberts-Wollmann, Thomas E. Cousins

Publikováno v: PCI Journal. 59:110-129

This paper presents a numerical modeling approach that accounts for slip between prestressing strands and the surrounding concrete within the transfer zone. The objective of the study was to develop a modeling approach that can accurately and efficie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c23a8c3fbbb63bd1fa16939ee366d75b
https://doi.org/10.15554/pcij.06012014.110.129

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Transverse panel-to-panel connections for full-depth precast concrete bridge deck panels on continuous steel girder bridges: Part 1, experimental

Autor: Carin L. Roberts-Wollmann, Matthew K Swenty, Thomas E. Cousins

Publikováno v: PCI Journal. 59:62-77

The focus of this article is the performance measurement of transverse panel-to-panel connections for full-depth concrete bridge deck panels on continuous steel girder bridges. Using a simulated HS 20 vehicle loading, two nonprestressed and four post

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e67b84ebb2bb5b7353a1a23a8c30053
https://doi.org/10.15554/pcij.03012014.62.77

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Transverse panel-to-panel connections for full-depth precast concrete bridge deck panels on continuous steel girder bridges: Part 2, time-dependent analysis

Autor: Thomas E. Cousins, Amey Vivek Bapat, Matthew K Swenty, Carin L. Roberts-Wollmann

Publikováno v: PCI Journal. 59:78-95

In this article, the authors seek to determine the initial compressive stress to avoid cracking and leaking in precast, prestressed concrete bridge deck panels. They use an age-adjusted effective modulus method to evaluate time-dependent stress redis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6eff864d12b4e24950154444da0bf455
https://doi.org/10.15554/pcij.03012014.78.95

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Experiments on a Hybrid-Composite Beam for Bridge Applications

Autor: Carin L. Roberts-Wollmann, Stephen Van Nosdall, Thomas E. Cousins, Cristopher D. Moen

Publikováno v: Transportation Research Record: Journal of the Transportation Research Board. 2332:43-52

This paper details a study of the structural behavior of hybrid-composite beams (HCBs), which consist of a fiber-reinforced polymer (FRP) shell with a tied concrete arch. The HCB offers advantages in life-cycle costs through reduced transportation we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff6bbcdce381c54779e220443e1907b8
https://doi.org/10.3141/2332-05

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