The brick wall is the main componen

The brick wall is the main component of the inner frame structure resistant to lateral deformation. The earthquake will cause cracks in the brick wall and reduce its rigidity. As the cracks in the brick wall increase, its deformation will increase, and the seismic shear force will gradually act. Onto the inner frame post. The destruction form of brick walls is similar to the multi-layer brick-concrete structure, but due to its open interior, the number of walls is small, and the top wall is cracked. This situation is seen in the 6 degree zone, and it is mostly a slight damage. Cracks developed in the 7 to 8 degree area, but collapsed locally. The collapse of the wall in high-intensity areas of 9 degrees and above will be more serious and endanger the side span beams and slabs, which is the weakest link. The second dangerous part of the brick wall is the lateral lateral wall on the ground floor, because its small number is not enough to withstand the seismic shear forces from the above layers.