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Flexible polymer connections for clt structures
Boris Azinović, Andreja Pondelak, Jaka Gašper Pečnik, Václav Sebera, 2020, published scientific conference contribution

Abstract: This paper explores the possibility of using flexible polymer adhesives to dissipate energy in CLT buildings during earthquakes. In the first series of tests, pull-off tests of various polyurethane (PUR) adhesives were performed. The connection was tested in pull-pull configuration using monotonic, tension-only loading. The tests have shown that the adhesive can resist large deformations already in tension loading and with small thicknesses of the bond-line. Based on the pull-off test results, one adhesive has been selected for further testing. Monotonic lap-shear tests were performed with the selected adhesive and thick bond-line (3 mm and 6 mm). The results show, that the standard method for lap-shear testing (EN 205) needs to be adapted for thick glue-line. It was found that the strength of 3 mm glue-line is higher than 6mm one, which is in agreement with adhesion theory. The flexible PUR adhesives could potentially be used in CLT structures for anchoring the CLT wall with “flexible” glued-in rods or as a “flexible” vertical shear connection between the CLT walls. Such systems have a potential to dissipate energy in seismic areas.
Keywords: CLT connections, flexible adhesive, polyurethane, energy dissipation, pull-off, lap-shear
Published in DiRROS: 19.01.2024; Views: 160; Downloads: 72
.pdf Full text (18,89 MB)
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Differential diagnosis between bone metastases and osteomalacia
Branko Zakotnik, Simona Borštnar, Tadeja Movrin, Boris Jančar, Andreja Zidar, 1996, original scientific article

Abstract: In oncology the diagnosis of skeletal metastases is a frequent one, in infact so frequent that other diagnoses such as metabolic bone diseases affecting patients with cancer may be overlooked. In our report two cases of osteomalacia referred to an oncologist are presented; in both of them the diagnosis of diffuse bone metastases of unknown origin was suspected. The differential diagnosis is discussed and the importance of bone marrow biopsy using Yamshidi needle for diagnosis of metabolic bone disease is emphasized.
Published in DiRROS: 16.01.2024; Views: 148; Downloads: 36
.pdf Full text (318,84 KB)

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Malignant lymphoma mimicking metastatic adenocarcinoma
Rastko Golouh, Andreja Zidar, 1994, popular article

Keywords: limfom, rak (medicina), ne-Hodgkinov limfom, diagnostika
Published in DiRROS: 11.01.2024; Views: 155; Downloads: 31
.pdf Full text (573,02 KB)

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