Boy T de Vries

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Questions related from Boy T de Vries

What are the challenges of a uniaxial tensile test on (existing) masonry structures?

The uniaxial (direct) tensile test is not commonly used for masonry structures. Researches mostly rely on bond wrench or bending tests for masonry structures. My questions are: What are the main...

02 June 2022 2,978 2 View

Why is only half of own weight wall taken in account in rocking/toe-crushing capacity of masonry (NZSEE 2015)?

In the NZSEE the follow equations are given for the in-plane capacity of a masonry wall, whenever rocking occurs: Vr = (0,9 (α · P + 0,5Pw)Lw)/Heff While the following equations are given for...

07 November 2017 6,169 1 View

What does the form of hysteresis curve say about the failure mechanism for cyclic in-plane loaded shear walls?

For example, when looking at this hysteresis curve of a retrofitted masonry shear wall (see attached figure), the load-displacement curve at the encircled spot drops back almost vertically. Which...

18 May 2017 6,830 2 View

Are there papers on FORCE-CONTROLLED Cyclic In-plane Tests on Walls?

Many papers can be found that describe the results of static-cyclic in-plane tests on walls. These tests however are in most cases displacement-controlled. I'm looking for documentation that...

13 January 2016 6,624 3 View

Wat is the influence of the geometry on the seismic behavior of URM walls with openings loaded in-plane?

What I'm searching for is some information/publications concerning the influence of the geometry (pier- / spandrel aspect ratios and opening sizes) on the seismic behavior of URM walls with...

18 June 2015 3,072 4 View