The invention provides an assembled type overall light-steel building, and solves the problems that an existing light-steel building is high in manufacturing cost, low in recycling rate, large in field
assembly workload, slow in construction and the like. The assembled type overall light-steel building comprises a basic
assembly, a wall body
assembly, a roof assembly and connecting pieces. The assembled type overall light-steel building is characterized in that the basic assembly comprises an integrated type rigid bottom framework and an autoclaved lightweight concrete (ALC) board fixed above the bottom framework; a framework of the wall body assembly is mainly composed of a light-steel cross part and a vertical
keel, heat preservation materials are filled in the framework, an inner wall body is fixed on one side of the framework, and an outer wall body is fixed on the other side of the framework; and a cross
keel is fixedly connected with the bottom framework, the vertical
keel is fixedly connected with a side keel of a ceiling
joist of the roof assembly, and therefore an integrated structure is assembled. The assembled type overall light-steel building is reasonable in structural design, firm in connection, light in self gravity, fast and convenient to construct, convenient to transfer and rearrange and high in operation efficiency, and achievement of industrialization operation is facilitated. In addition, the assembled type overall light-steel building has the advantages of being good in
shock resistance, wide in application scope and superior in properties such as lighting, heat preservation, sound insulation,
fire resistance and seepage resistance, and the assembled type overall light-steel building can meet using requirements of a user under various weather conditions.