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author:

Giaccu, Gain Felice (Giaccu, Gain Felice.) [1] | Briseghella, Bruno (Briseghella, Bruno.) [2] (Scholars:BRUNO BRISEGHLLA) | Fenu, Luigi (Fenu, Luigi.) [3]

Indexed by:

SCIE

Abstract:

With the advent of progressively large and complex structures, the simultaneous presence of axial forces and bending on bridge decks is emerging as a recurring and increasingly concerning phenomenon. In the design of steel-concrete composite cable-stayed bridges, the combination of the axial force, mainly induced by the incli-nation of the cables, and bending is being increasingly considered to realize long spans that can bear the weight of the structure while ensuring a high rigidity of the deck. Despite its importance, this aspect is not sufficiently treated in the design codes, e.g., Eurocode specifications do not consider the axial force and its shear lag effects; therefore, the design rules are specified exclusively for the case of bending. From a practical standpoint, this deficiency can entail design complications due to the use of complicated FE models (shell and brick elements), which incur significant computational loads and design effort. In this study, a simple methodology for the design and verification of a girder composite deck subjected to combined compression and bending is developed. The methodology is based on a parametric study performed using finite element (FE) models that are valid for a generic girder composite deck. The stress distribution on the composite deck can be assessed while accounting for the axial force and bending moments associated with the deck by considering the results obtained using universal beam models. The proposed methodology is applied to an existing cable-stayed bridge.

Keyword:

Axial force and bending Cable stayed bridges Effective slab width Shear lag Steel-concrete composite deck

Community:

  • [ 1 ] [Giaccu, Gain Felice]Univ Sassari, Dept Architecture Design & Urban Planning, Alghero, Italy
  • [ 2 ] [Briseghella, Bruno]Fuzhou Univ, Coll Civil Engn, Fuzhou, Fujian, Peoples R China
  • [ 3 ] [Fenu, Luigi]Univ Cagliari, Dept Civil & Environm Engn & Architecture, Cagliari, Italy

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Source :

STRUCTURES

ISSN: 2352-0124

Year: 2022

Volume: 39

Page: 512-526

4 . 1

JCR@2022

3 . 9 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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