This paper presents new findings on adhesively bonded timber-concrete composites with prefabricated concrete parts. Hereby, timber and concrete are bonded solely with adhesive and no metallic connectors have been used. Because the achievement of a continuous bond proved to be a critical point in past studies, special attention is given to that issue. The application procedure of the adhesives is investigated in small-scale bond samples and the manufacturing process in full-scale composite beams with a span of 8 m and a comparatively new polymer mortar is used as adhesive as well as a common epoxy resin. Both adhesives proved to be suitable, although polymer mortars showed strong advantages in terms of applicability and bridging of gaps in comparison to the less viscous epoxy adhesive. The full-scale beams are tested under quasi-static and cyclic loading. The failure occurred more as a bending failure of the timber or compression failure of the concrete. A full bond could be achieved at all full-scale beams. Moreover, an analytical and a finite element model for the calculation of composite beams are presented and validated. It could be seen, that both deformation behavior and failure load are in good accordance with the test results.

本文介绍了具有预制混凝土部件的胶粘木-混凝土复合材料的新发现。因此，木材和混凝土仅用粘合剂粘合，没有使用金属连接器。因为在过去的研究中证明连续结合的实现是一个关键点，所以对这个问题给予了特别关注。研究了粘合剂在小规模粘结样品中的应用程序和跨度为8 m的全尺寸组合梁的制造过程，使用相对较新的聚合物砂浆作为粘合剂以及普通环氧树脂。两种粘合剂都被证明是合适的，尽管与粘度较低的环氧树脂粘合剂相比，聚合物砂浆在适用性和弥合间隙方面表现出很强的优势。全尺寸梁在准静态和循环载荷下进行测试。破坏更多是木材的弯曲破坏或混凝土的压缩破坏。可以在所有全尺寸梁上实现完全粘合。此外，还提出并验证了用于计算组合梁的分析和有限元模型。可以看出，变形行为和破坏载荷均与试验结果相符。