Advanced Numerical Models for the Analysis of Unreinforced and Strengthened Masonry Vaults

Berardi, Valentino Paolo; Piano, Mariella De; Teodosio, Giuseppe; Penna, Rosa; Feo, Luciano

doi:10.7712/120117.5784.17716

Cited by 1 publication

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“…dhesive junctions have become widely adopted for structural applications in many engineering fields, typically for realizing industrial, automotive, naval and aerospace high-tech structural elements [1,2], as well as for rehabilitating existing civil structures (reinforced concrete and masonry structures) with external Fiber Reinforced Polymer (FRP) reinforcements [3][4][5][6][7][8][9][10][11][12]. Within the field of Civil Engineering, the design of strengthening by bonding composite plates and sheets requires the evaluation of brittle and ductile failure modes, in order to achieve a controlled overall ductile behavior of the structure.…”

Section: Introductionmentioning

confidence: 99%

Cohesive fracture in composite systems: experimental setup and first results

Berardi¹,

Perrella²,

Cricrı̀³

2019

Frattura Ed Integrità Strutturale

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Composite systems are widely used in many engineering applications for new structures and strengthening of existing ones. Within the structural rehabilitation of civil constructions, the plating technique of beams with Fiber Reinforced Polymer (FRP) represents a quick and optimal intervention with respect to traditional ones. The failure of these composite systems usually occurs due to the FRP debonding, which corresponds to a mode II fracture of concrete specimens. In this paper, a new experimental setup for investigating the mode II fracture behavior of FRP-concrete composite structures is presented. The test equipment consists of both conventional equipment and a non-contact optical technique, Digital Image Correlation (DIC), and the test system was realized at the Design Machine Laboratory of the University of Salerno. A preliminary test was performed and the corresponding results are shown and discussed.

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