The Post-disaster House: Simple Instant House using Lightweight Steel Structure, Bracing, and Local Wood Wall

Losing a house is the biggest threat to people during natural disasters, such as earthquakes that are frequent natural hazards in indonesia. post-disaster housing reconstruction becomes a construction challenge to build adequate houses contributing to personal safety, health and comfort. the invention of a simple ergonomic instant house using lightweight steel structure, bracing, and the local wood walls is urgently needed. this invention is proposed to provide quick and low-cost mass construction house which meet safety and comfort requirements. the house is designed in 6 meters by 3.5 meters while the height of the ceiling is 2.8 meters. the house's front side is equipped with a door and a window, while at the back is equipped with a window. the six criteria for appropriate technology are considered in the construction method. the criteria include technical, ergonomic, social and cultural, energy-saving systems, and environmentally friendly. the scheme of systemic, holistic, interdisciplinary and participatory (ship) is considered at stages of design, construction and maintenance. the structure system is analyzed with a 3d model of the finite element method using sap-2000. the given questionnaires' feedback assesses the satisfaction of the residents living in the house. the conclusions are included in five substances: (1) the house materials are lightweight steels, bracings, and local wood; (2) the structure should meet the safety requirement; (3) the house satisfies the requirement of safety and health; (4) the residents are satisfied and positively improve their living conditions following the disaster; (5) the house satisfies a simple ergonomic house.