Assessment of the Moroccan vernacular timber roof: a proposal for an eco-friendly strengthening system

IF 0.5 3区 艺术学 0 ARCHITECTURE Journal of Architectural Conservation Pub Date : 2018-09-02 DOI:10.1080/13556207.2018.1545105
S. Galassi, N. Ruggieri, Letizia Dipasquale, G. Tempesta
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引用次数: 10

Abstract

ABSTRACT The Berber roof is a vernacular structure consisting of timber members, exploited for covering residential buildings or craft shops, characterized by a carpentry that was mostly developed in the Tangeri-Tétouan-Al Hoceima Region northern Morocco. The simplest structural scheme consists of sloping common rafters supported by a ridge beam and the peripheral walls in such a way as to form a double pitched roof. However, in the case of wider rooms, a variation to the scheme often occurs, aided by intermediate ‘supporting structures’, placed at a very limited spacing through the roof, built in such a way as to reduce the bending deflection of the ridge beam and the roof pitches. These supporting structures are composed of king post truss shaped timber members; nevertheless, both in the choice of the member cross sections and in the connection joints, they look absolutely like original constructions. The solutions adopted by the local master builders have been analysed and verified by using FEM models, that have highlighted criticalities and pointed out the reason why these structures are very deformed nowadays. Lastly, a reinforcing system compatible with the local resources and techniques, used to preserve the surveyed Berber structures, has been devised.
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摩洛哥乡土木屋顶的评估:一个环保加固系统的建议
柏柏尔屋顶是一种由木材构件组成的本土结构,用于覆盖住宅建筑或工艺商店,其特点是主要在摩洛哥北部的tangeri - t touan- al Hoceima地区开发的木工。最简单的结构方案包括由屋梁和外围墙壁支撑的倾斜的普通椽子,以这种方式形成双斜屋顶。然而,在较宽的房间中,通常会出现方案的变化,通过中间的“支撑结构”进行辅助,通过屋顶放置在非常有限的间距上,以这种方式建造,以减少脊梁和屋顶坡度的弯曲挠度。这些支撑结构由国王柱桁架形木材构件组成;然而,无论是在构件截面的选择还是在连接节点上,它们看起来都完全像原来的结构。用有限元模型分析和验证了当地主建筑商采用的解决方案,突出了这些结构的关键,并指出了目前这些结构变形严重的原因。最后,设计了一个与当地资源和技术相适应的加固系统,用于保护已调查的柏柏尔结构。
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来源期刊
CiteScore
1.60
自引率
12.50%
发文量
19
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