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首页> 外文期刊>Latin American Journal of Solids and Structures >Static and dynamic performance of direct hybrid connections of cross-laminated timber with steel, concrete and laminated strand lumber composites
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Static and dynamic performance of direct hybrid connections of cross-laminated timber with steel, concrete and laminated strand lumber composites

机译:用钢,混凝土和层压木材复合材料交叉层压木材直接混合连接的静态和动态性能

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摘要

Hybrid multistory buildings are every day more common in the construction industry. However, there is littleunderstanding of the performance of the hybrid connections. In this research, the static and dynamicresponse of cross-laminated timber (CLT) composites combined with reinforced concrete (RC), hollow steelprofiles and laminated strand lumber (LSL) has been investigated. In addition, the effects of posttensioningstresses as well as distinct types of connectors such as nails, self-tapping screws and self-tapping dowels hasbeen accounted for. After experimental work, numerical modelling for simulating the static and dynamicbehavior for these hybrid connections was also investigated. Results indicate that such massive timbercomposite connections behave reasonably similar to conventional timber connections, except in that inelasticdeformations may increase up to 200%. In addition, it has been found that existing hysteretic models like themodified Stewart hysteretic model (MSTEW) fit for modelling purposes except that very asymmetrichysteretic behavior can be found for timber-concrete hybrid connections.
机译:混合多层建筑每天都在建筑行业中更常见。但是,对混合连接的性能略微了解。在该研究中,已经研究了交叉层压木材(CLT)复合材料的静态和动态响应,与钢筋混凝土(RC),中空钢卸料和层压链木材(LSL)相结合。此外,壁龛的效果以及不同类型的连接器,如钉子,自攻螺钉和自攻销钉,占据了钉子。在实验工作之后,还研究了模拟这些混合连接的静态和动态畸形的数值建模。结果表明,这种大规模的跨越木材连接的表现形式与传统的木材连接相似,不同之处在于,不弹性成形可能增加到200%。此外,已经发现现有的滞后模型,如经济化的斯图尔特滞后模型(MSTEW)适合建模目的,不同之处在于可以找到用于木质混凝土混合连接的非常渐多体术行为。

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