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首页> 外文会议>EUR 21431; Final Conference of Cost Action C12; 20050120-22; Innsbruck(AT) >Experimental analysis on mechanical connections for ancient chestnut beams
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Experimental analysis on mechanical connections for ancient chestnut beams

机译：板栗梁机械连接的试验分析

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摘要

In this paper the results of experimental tests performed on defect-free ancient wooden specimens connected by means of metal fasteners are presented. The adopted typology of connection is commonly used in ancient floor slabs for long-span beams. In order to investigate on the evaluation of stiffness and bearing capacity of such a connection system, the performed experimental activity have been based on both embedding tests on wooden samples joined by steel bolts and four-point bending tests on wooden beams including the considered connecting system. All the wooden samples have been extracted from chestnut beams aged 1700-1800, withdrawn from an ancient building located in the historical centre of Naples (Italy). In the whole, the obtained results show that the use of such a connecting system is particularly uncertain for ancient wooden beams, since it could affect strongly the global behaviour of the relevant structural element.
机译：本文介绍了通过金属紧固件连接的无缺陷古木标本的实验测试结果。采用的连接类型通常用于古老的楼板大跨度梁。为了研究这种连接系统的刚度和承载力评估，所进行的实验活动是基于对用钢螺栓连接的木制样品进行的嵌入测试和对包括所考虑的连接系统的木梁的四点弯曲测试进行的。所有木制样品均从1700年至1800年的栗木横梁中提取，并从那不勒斯（意大利）历史中心的一栋古老建筑撤回。总体而言，所获得的结果表明，对于古老的木梁，使用这种连接系统尤其不确定，因为它会严重影响相关结构元件的整体性能。

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