Timber-timber composite (TTC) joints made of short-supply chain beech: Push-out tests of inclined screw connectors

IF 3.4 3区 工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY Materials and Structures Pub Date : 2024-08-22 DOI:10.1617/s11527-024-02443-6
Martina Sciomenta, Pasqualino Gualtieri, Luca Spera, Francesco Contu, Massimo Fragiacomo
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Abstract

This paper presents the results of experimental investigations on six-layered, homogeneous glulam beams made of Italian short supply chain beech (Fagus sylvatica L.). At first, the beams were produced and mechanically characterized for bending, then, they were employed to realize timber-timber composite joints and tested under quasi-static monotonic loading. The test configurations were adopted to reproduce connections used in timber-to-timber composite structures for applications in new constructions. Outcomes in terms of connection stiffness, strength, static ductility and failure modes are presented and discussed. Moreover, the experimental stiffness were used to carry out analytical verification at the serviceability and ultimate limit states to extend the validity of the proposed screw and specimen’s configurations.

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用短链榉木制成的木材-木材复合材料(TTC)连接件:倾斜螺钉连接件的推出试验
本文介绍了对意大利短链山毛榉(Fagus sylvatica L.)制成的六层均质胶合梁的实验研究结果。首先,对横梁进行了制作,并对其弯曲性能进行了机械鉴定,然后将其用于实现木材-木材复合连接,并在准静态单调荷载下进行了测试。测试配置用于再现木材-木材复合结构中的连接,以应用于新建筑中。测试结果包括连接刚度、强度、静态延展性和失效模式,并进行了讨论。此外,还利用实验刚度对适用性和极限状态进行了分析验证,以扩大拟议螺杆和试样配置的有效性。
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来源期刊
Materials and Structures
Materials and Structures 工程技术-材料科学:综合
CiteScore
6.40
自引率
7.90%
发文量
222
审稿时长
5.9 months
期刊介绍: Materials and Structures, the flagship publication of the International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), provides a unique international and interdisciplinary forum for new research findings on the performance of construction materials. A leader in cutting-edge research, the journal is dedicated to the publication of high quality papers examining the fundamental properties of building materials, their characterization and processing techniques, modeling, standardization of test methods, and the application of research results in building and civil engineering. Materials and Structures also publishes comprehensive reports prepared by the RILEM’s technical committees.
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