Electromagnetic Shielding Effectiveness of Historic Buildings: The Heritage Stone Town of Zanzibar
作者机构：School of Architecture Construction Economics & Management Ardhi University Dar Es Salaam Tanzania
出 版 物：《Journal of Civil Engineering and Architecture》 (土木工程与建筑（英文版）)
年 卷 期：2018年第12卷第12期
页 面：880-889页
学科分类：08[工学] 0813[工学-建筑学] 0814[工学-土木工程]
主 题：Buildings electromagnetic radiations environmental shielding Zanzibar Stone Town
摘 要：Owing to health and security hazards posed by concentration of EMR (electromagnetic radiations) from wireless transmission devices such as antennas and WiFi, it is time for building specialists to consider EMR shielding in general designs. Such a venture needs understanding of shielding behavior of various building materials in their isolated and combined forms. While shielding properties of several industrial materials are known, much remains to be understood from traditional materials. This article contributes to the knowledge of SE (shielding effectiveness) of the latter materials. It has tested the buildings of the 19th CE STZ (Stone Town of Zanzibar). The coral stones, mud, and mangrove pole buildings of this historic town were found to be effective in shielding the radiations, nearly the same as renowned buildings of the Roman Empire.
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