| Title: | Flexible polymer connections for clt structures |
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| Authors: | ID Azinović, Boris (Author)
ID Pondelak, Andreja (Author)
ID Pečnik, Jaka Gašper (Author)
ID Sebera, Václav (Author) |
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| Files: |  PDF - Presentation file, download (18,89 MB)
MD5: F26B238E8BF0778AB8D98A949CB2541F
PDF - Presentation file, download (2,52 MB)
MD5: 82F06357302DCC325C03B5090F8E5641
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| Language: | English |
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| Typology: | 1.08 - Published Scientific Conference Contribution |
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| Organization: |  ZAG - Slovenian National Building and Civil Engineering Institute
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| 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. |
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| Keywords: | CLT connections, flexible adhesive, polyurethane, energy dissipation, pull-off, lap-shear |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 01.01.2020 |
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| Publisher: | Slovenian National Building and Civil Engineering Institute (ZAG) |
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| Year of publishing: | 2020 |
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| Number of pages: | Str. 7-13 |
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| PID: | 20.500.12556/DiRROS-17889  |
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| UDC: | 620.1/.2 |
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| COBISS.SI-ID: | 61061123 |
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| Copyright: | © 2020 Slovenian National Building and Civil Engineering Institute |
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| Note: | Nasl. z nasl. zaslona;
Opis vira z dne 24. 4. 2021;
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| Publication date in DiRROS: | 19.01.2024 |
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| Views: | 527 |
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| Downloads: | 305 |
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| Metadata: |    |
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