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1纽约东出入口隧道工程概述纽约东出入口隧道工程是在大中央枢纽站(GCT)下面新建的一个富有创意的枢纽站。这个新的枢纽站有2个平行的大洞室,每个大洞室各有上、下、左、右4个小洞室。2个大洞室的腰部有1个夹层通道贯通,夹层通道的一端与自动扶梯斜隧道相连,通向站厅、出入口(图1)。2个大洞室(含8个小洞室)完成后,可供列车驶进、驶出,并进行渡线换轨,实现枢纽站的全部功能。每个大洞室大约长35 m,宽
1 New York East Entrance Tunnel Project Overview The New York East Entrance Tunnel project is an innovative new hub below the GCT. The new hub has two parallel large caverns, each of which has four small cavities, up, down, left and right. There are 1 mezzanine channels in the waist of the 2 large caverns, and one end of the mezzanine channel is connected with the inclined tunnel of the escalator and leads to the station hall and the entrance (Figure 1). After the completion of 2 large caverns (including 8 small caverns), it is possible for the trains to go in and out and carry out the changeover of the ferry to realize the full functions of the terminal. Each large cavern is about 35 m long and wide