Bo Song, Chenhu Lu, Mansheng Wang, Heng Zhou

Aseismic effect of old single-layer masonry agricultural house structure strengthened with embedded steel frame and steel strip

  • General Environmental Science
  • Civil and Structural Engineering
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Most of the old rural houses in Beijing are single-layer buildings with double-sloping roofs. Under an earthquake, the gable is prone to an outward tilt, and the structure is prone to collapse as a whole. In view of the structural characteristics of the existing rural houses in Beijing, a reinforcement technology is proposed, in which the embedded steel frame reinforcement is mainly used, supplemented by a steel plate strip reinforcement. A 1/4 masonry structure model is designed for a shaking table test. A full-scale model is established in a finite element simulation analysis. The results show that the longitudinal wall is seriously damaged, and the gable has a considerable outward inclination under earthquakes. However, owing to the reinforcement effect of the steel frame, the overall collapse of the structure is avoided. The steel strip can effectively restrain the outward inclination of the gable and ensure safety of personnel.

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