Indigenous Knowledge of Iran

Earthen Architectural Heritage of Silo in Saryazd Citadel: Indigenous Knowledge of Climate–Economy Nexus

Articles in Press

Document Type : Research Paper

Authors

Fatemeh Mehdizadeh Saradj 1
Hanieh Beiki 2
Asghar MohammadMoradi 2

1 تهران - نارمک - دانشگاه علم و صنعت ایران - دانشکده معماری و شهرسازی

2 School of Architecture and Environmental Design, Iran University of Science and Technology, Tehran, Iran

10.22054/qjik.2026.87753.1474
Abstract
In Iran’s hot and arid climate, the development of agricultural societies has historically depended on the ability to store grain for long periods without relying on energy-intensive systems. This study investigates the passive environmental strategies employed in the adobe silos of the ancient Saryazd grain storehouse. The research aims to identify indigenous grain-storage knowledge that can support the adaptive reuse and economic revitalisation of the Saryazd citadel, while also informing sustainable approaches in contemporary architecture. A descriptive–analytical methodology was adopted, combining computational simulations, documentary research, and interviews with eyewitnesses conducted during field surveys in July and August 2024. The results indicate that thick adobe walls, thatch roofing, hierarchical spatial organisation, narrow and nested corridors, and chimney-driven airflow together create favourable storage conditions. Computational analyses show that these strategies achieve an internal temperature reduction of 15–20°C compared to outdoor conditions and provide effective ventilation of approximately 0.7 CFM per ton of grain, ensuring grain health and longevity for decades. The study highlights the value of documenting and reassessing indigenous passive solutions as low-cost, efficient models for addressing contemporary challenges in climate-responsive and sustainable architecture.

Keywords

Grain storage
Hot-dry climate
Indigenous architecture of Yazd
Passive design
Saryazd citadel
Subjects
Indigenous Knowledge of Iran

Articles in Press, Corrected Proof
Available Online from 02 May 2026

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