Protection architecture suitable for city subway closely connects engineering construction

The utility model provides a both sides are provided with underground continuous wall of protection architecture suitable for city subway closely connects engineering construction, at existing operation subway tunnel underground continuous wall's top is provided with the apron, underground continuous wall forms gate -type frame construction with the apron. The apron is laid to upper end at the diaphragm wall for forming a gate -type frame construction between underground continuous wall and the apron, protecting existing operation subway in gate -type frame construction, construction process is simple, safe and reliable, maximum existing operation subway and the all ring edge borders protected. 种适用于城市地铁近接工程施工的保护结构，在既有运营地铁隧道的两侧设置有地下连续墙，所述地下连续墙的上方设置有盖板，所述地下连续墙和盖板形成门式框架结构。在连续墙的上端铺设盖板，使得地下连续墙与盖板之间形成个门式框架结构，将既有运营地铁保护在门式框架结构中，施工工艺简单，安全可靠，最大程度的保护了既有运营地铁与周边环境。