0
  • DE
  • EN
  • FR
  • Base de données et galerie internationale d'ouvrages d'art et du génie civil

Publicité

Shake Table Studies of Precast Bridge Columns with a Novel UHPC Connection

 Shake Table Studies of Precast Bridge Columns with a Novel UHPC Connection
Auteur(s): , ,
Présenté pendant IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024, publié dans , pp. 1234-1242
DOI: 10.2749/manchester.2024.1234
Prix: € 25,00 incl. TVA pour document PDF  
AJOUTER AU PANIER
Télécharger l'aperçu (fichier PDF) 0.22 MB

A novel lap splice connection by ultrahigh-performance concrete (UHPC) was proposed to connect bridge columns with footings. The bond strength between UHPC and reinforcement was quantified by the g...
Lire plus

Détails bibliographiques

Auteur(s): (State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University Shanghai, China)
(State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University Shanghai, China)
(Shanghai Municipal Engineering Design Institute (Group) Co. Ltd Shanghai, China)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024
Publié dans:
Page(s): 1234-1242 Nombre total de pages (du PDF): 9
Page(s): 1234-1242
Nombre total de pages (du PDF): 9
DOI: 10.2749/manchester.2024.1234
Abstrait:

A novel lap splice connection by ultrahigh-performance concrete (UHPC) was proposed to connect bridge columns with footings. The bond strength between UHPC and reinforcement was quantified by the genetic programming-orthogonal least squares tool. Then, an approach was advanced to guide the design of the proposed connection. Further, a 1/3.5 geometrically scaled bridge specimen was designed and tested on shake tables to validate the effectiveness of this connection designed by the proposed approach and to analyze seismic responses of the specimen. Test results revealed that the precast columns damaged in a flexural pattern reached a drift of 3.2% under the peak ground acceleration of 1.4 g. Moreover, most inelastic deformation and damage occurred above the column-footing connection segments which, designed by the proposed approach, remained barely damaged. Meanwhile, the strain concentration effect at the column bottom was less significant.

Types d'ouvrages