一、前言随着时代的进步，城市建设快速发展，沿街的商业网点备受商家青睐，成为投资热点。从近期的建设来看，沿街建筑多为底层商业用房，上部为多层砖混住宅。宁夏地区地震烈度为８度，此类建筑的结构选型有以下几种：一、底层框架上托五层住宅；二、两层大开间全框架上托四 I. INTRODUCTION With the progress of the times, the rapid development of urban construction, commercial outlets along the street has been favored by businesses and become a hot spot for investment. Judging from the recent construction, the buildings along the street are mostly commercial buildings on the ground floor and the upper floors are multi-storey brick-concrete houses. The earthquake intensity in Ningxia region is 8 degrees. The structural selection of this type of building has the following types: 1. The first floor supports five floors of residential buildings; The second floor and the second floor have a full frame with four floors.