The doi above is for this specific version of this dataset, which is currently the latest. Newer versions may be published in the future. For a link that will always point to the latest version, please use
doi: 10.4121/20193173

Rita Esposito; Gaggero, Belen (2023): Data set for comparing different bond wrench test procedures (set-up and specimen's type). Version 1. 4TU.ResearchData. dataset. https://doi.org/10.4121/20193173.v1

Dataset

• Construction Materials Performance and Processes
• Construction

Bond wrench test, Brick masonry, Flexural bond strength, Fracture energy, Tensile behaviour

2018

CC BY 4.0

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by Rita Esposito , Belen Gaggero

The data set contains the results of a comprehensive investigation of the flexural bond behavior in brick masonry by means of bond wrench tests, with a focus on the influence of the testing procedure. In this context, the study explores the impact of the testing set-up's accuracy and the specimen type on the experimental assessment of the flexural bond strength. Additionally, the data set includes the results of a novel procedure to assess the flexural bond fracture energy.

The data set contains the results of the followings:

• Experimental assessment of flexural bond strength with set-ups with increasing accuracy: manually-operated vs computer controlled set-ups.

(A) Force-controlled set-up entirely operated by hand for in-situ applications.

(B) Force-controlled set-up operated by hand for lab applications.

(C) Computer-controlled set-up operated by controlling the crack mouth opening displacement (CMOD) at the tension side of the tested specimen for lab

applications.

• Experimental assessment of flexural bond strength of three different types of masonry specimens using the (A) in-situ bond wrench test: with/without head joints and couplets vs wallet.

(D) “Standard”, stack-bonded couplets (without head joint).

(E) Running-bonded couplets (with head joint).

(F) Running-bonded wallets (with head joint and courses).

• Experimental assessment of flexural bond fracture energy using the (C) computer-controlled bond wrench test.

For both force-controlled set-ups, the maximum force registered during the test is reported together with the dimensions of the tested bed joint and weight of the portion of specimen pulled off. For the computer-controlled set-up, the force measured at the relative CMOD and Jack displacement are provided along with the dimensions of the tested bed joint and weight of the portion of specimen pulled off. Detailed pictures of the set-ups and specimens are also included.

Tests were performed on two traditional Dutch masonry types, i.e. calcium silicate brick masonry with a 1:3 (cement: sand proportions by volume) cement-based mortar and clay brick masonry with a 1:2:9 (cement: lime: sand proportions by volume) cement-lime mortar. 

• 2023-03-29 first online, published, posted

4TU.ResearchData

txt, jpg, csv

Experimental characterisation of flexural bond behaviour in brick masonry

• Damage sensitivity of Groningen masonry building structures—Experimental and computational studies (grant code UI67339) Nederlandse Aardolie Maatschappij (NAM)
• Scholarship Polytechnic University of Turin

TU Delft, Faculty of Civil Engineering and Geosciences, Department of Materials-Mechanics-Management & Design, Section Applied Mechanics