Aikin Sabuntawa na 200KV Substation a Tianjin

Samfuranmu NPT3700 ana amfani da shi don sashen kudu na tunnels 3 # zuwa 2 # a wannan aikin, tare da jimlar tsawo na mita 952. Mita 496 na farko an kera ta tare da hanyar Pipe jacking, yayin da mita 456 na ƙarshe an kera ta tare da hanyar shield tunneling. Yana wucewa ta kan tushe biyu na hasken wutar lantarki, bututu biyu na shara, da kuma tunnel na jirgin kasa na Nan Cao tare da bambanci na tsawo na 3.41m.
Wannan aikin shi ne aikin tashi ƙarfin wutar lantarki na farko a Arewacin China da ya yi amfani da hanyar gina "Pipe jacking-Shield tunneling", kuma shi ne mafi tsawon tazarar tashi bututu guda ɗaya a Arewacin China.

Samu mafita