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Assessment of the seismic behaviour of heritage masonry buildings using numerical modelling: A study of Fernand Pouillon's Totem Tower in Algiers, Algeria
Journal of Building Engineering ( IF 6.7 ) Pub Date : 2021-01-14 , DOI: 10.1016/j.jobe.2021.102183
Louiza Mohammedi , Amina Abdessemed Foufa , Mustapha Cheikh Zouaoui

This paper deals with the seismic response evaluation of the Totem tower of Diar Es Saada, which is one of the taller unreinforced masonry (URM) building in Algeria with twenty floors and 62 m in height. The tower located in Algiers, a town exposed to important earthquakes, has survived so far without major damage or alteration. This high-rise building was designed by the French architect Fernand Pouillon in 1953 without considering regulations for earthquake-resistant construction. It was built in only fifty days by adopting an original structural system and an innovative construction processes developed by this architect: URM stone and brick load-bearing walls with reinforced concrete floors. The study carried out consists of a multidisciplinary approach. First, a detailed diagnosis was performed on site to assess the state of conservation of the building. Then, the seismic behaviour was modelled and analyzed by using both linear dynamic and non-linear static analysis in SAP2000 and TreMuri software. With regard to the current Algerian seismic design regulation, the results obtained in terms of time period, frequency, storey drifts and displacements showed that the tower can be considered as an earthquake-resistant building fulfilling the required structural safety conditions. In this respect, the Totem tower of Diar Es Saada deserves to be classified as a national heritage and its satisfactory overall structural behaviour confirms that the architect Pouillon has also excellent skills in engineering construction.



中文翻译:

使用数值模型评估遗产砖石建筑的地震行为:阿尔及利亚阿尔及尔的Fernand Pouillon图腾塔研究

本文处理的是Diar Es Saada图腾塔的地震响应评估,该塔楼是阿尔及利亚较高的无筋石工(URM)建筑之一,有20层,高度为62 m。位于阿尔及尔的这座塔楼是一座遭受重大地震的城镇,迄今为止一直幸存下来,没有受到重大破坏或改动。这座高层建筑是由法国建筑师Fernand Pouillon在1953年设计的,没有考虑抗震建筑的法规。它采用最初的结构系统和由该建筑师开发的创新建筑工艺,仅用了50天就建成了:URM石材和砖砌承重墙以及钢筋混凝土地板。进行的研究包括多学科方法。第一,在现场进行了详细的诊断,以评估建筑物的保护状态。然后,使用SAP2000和TreMuri软件中的线性动态和非线性静态分析对地震行为进行建模和分析。关于当前的阿尔及利亚抗震设计规定,从时间周期,频率,楼层漂移和位移方面获得的结果表明,该塔可被视为满足所需结构安全条件的抗震建筑物。在这方面,Diar Es Saada的图腾塔应被列为国家遗产,其令人满意的整体结构性能证实了建筑师普永(Pouillon)在工程建设方面也具有出色的技能。通过在SAP2000和TreMuri软件中使用线性动态和非线性静态分析对地震行为进行建模和分析。关于当前的阿尔及利亚抗震设计规定,从时间周期,频率,楼层漂移和位移方面获得的结果表明,该塔可被视为满足所需结构安全条件的抗震建筑物。在这方面,Diar Es Saada的图腾塔应被列为国家遗产,其令人满意的整体结构性能证实了建筑师普永(Pouillon)在工程建设方面也具有出色的技能。通过在SAP2000和TreMuri软件中使用线性动态和非线性静态分析对地震行为进行建模和分析。关于当前的阿尔及利亚抗震设计规定,从时间周期,频率,楼层漂移和位移方面获得的结果表明,该塔可被视为满足所需结构安全条件的抗震建筑物。在这方面,Diar Es Saada的图腾塔应被列为国家遗产,其令人满意的整体结构性能证实了建筑师普永(Pouillon)在工程建设方面也具有出色的技能。楼层漂移和位移表明,该塔可被视为满足要求的结构安全条件的抗震建筑。在这方面,Diar Es Saada的图腾塔应被列为国家遗产,其令人满意的整体结构性能证实了建筑师普永(Pouillon)在工程建设方面也具有出色的技能。楼层漂移和位移表明,该塔可被视为满足要求的结构安全条件的抗震建筑。在这方面,Diar Es Saada的图腾塔应被列为国家遗产,其令人满意的整体结构性能证实了建筑师普永(Pouillon)在工程建设方面也具有出色的技能。

更新日期:2021-01-22
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