Acoustic of monolithic dome structures

• Main Authors: Mostafa Refat Ismail, Hazem Eldaly
• Format: Article
• Language: English
• Published: KeAi Communications Co., Ltd. 2018-03-01
• Series: Frontiers of Architectural Research
• Subjects: Acoustic; Eco Dome; Monolithic structures; Sound treatment
• Online Access: http://www.sciencedirect.com/science/article/pii/S2095263517300626

Monolithic dome structures were built in the 1970s in Europe and America. These dome structures share common benefits of being cost-efficient, earth-friendly, extremely durable, and easily maintained. Monolithic shells are easily constructed and are extremely cost-effective. Monolithic domes respond efficiently to any climate, even to extremely cold or hot temperatures. In terms of utility savings, monolithic domes can cut electricity consumption by up to one-third, thereby saving 60–70% of total energy costs. Moreover, monolithic structures provide the highest survivability rates from destructions. The interior of monolithic domes have perfect, concave shapes to ensure that sound travels through the dome and perfectly collected at different vocal points. These dome structures are utilized for domestic use because the scale allows the focal points to be positioned across daily life activities, thereby affecting the sonic comfort of the internal space. This study examines the various acoustic treatments and parametric configurations of monolithic dome sizes. A geometric relationship of acoustic treatment and dome radius is established to provide architects guidelines on the correct selection of absorption needed to maintain the acoustic comfort of these special spaces.