Structural glass beams prestressed by externally bonded tendons
Research output: Contribution to book/conference proceedings/anthology/report › Conference contribution › Contributed › peer-review
Contributors
Abstract
In addition to the previously reported experimental results on post-tensioned glass beams, the current paper discusses the results of exploratory bending experiments on 2 series of structural glass beams which are prestressed by externally bonded tendons. These tendons - stainless steel or CFRP - are pre-tensioned and subsequently adhesively bonded to the lower edge of the glass beams by means of a two-component epoxy adhesive (3M DP 490). After curing, the pre-stressed glass beams are tested in four-point bending and their results are compared with the experimental results of reference beams without any tendons. From the results it is observed that pre-stressed glass beams demonstrate enhanced fracture strength compared to the reference beams. In addition, the pre-stressed glass beams show significant post-fracture loadcarrying capacity. From the study it is concluded that pre-stressing a glass beam with externally bonded tendons is a feasible concept. However, more in depth studies to validate the concept are needed.
Details
Original language | English |
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Title of host publication | GlassCon Global Conference Proceedings |
Publisher | GlassCon Global |
Pages | 460-469 |
Publication status | Published - 2014 |
Peer-reviewed | Yes |
Keywords
Research priority areas of TU Dresden
DFG Classification of Subject Areas according to Review Boards
Subject groups, research areas, subject areas according to Destatis
Sustainable Development Goals
Keywords
- structural glass beams, pre-stressing, redundancy, experiment