1. Batun Aikin Ramin Guanjiao
Tunnel Guanjiao yana cikin gundumar Tianjun, lardin Qinghai. Yana da aikin sarrafawa na xining -GolmudTsawon layin dogo na Qinghai-Tibet. Ramin yana da tsayin kilomita 32.6 (tsawon mashigar yana da mita 3380, kuma tsayin da ake fitarwa na fitarwa shine 3324m), kuma rami ne guda biyu madaidaiciya tare da tazarar layin 40m. Matsakaicin zafin jiki na shekara-shekara a yankin shine -0.5 ℃, matsakaicin matsakaicin zafin jiki shine -35.8 ℃, matsakaicin zazzabi na watanni mafi sanyi shine -13.4℃, matsakaicin kauri na dusar ƙanƙara shine 21cm, matsakaicin zurfin daskarewa shine 299cm. Yankin rami yana da tsayi mai tsayi da hypoxic, matsa lamba na yanayi shine kawai 60% -70% na daidaitaccen yanayin yanayi, abun cikin iskar oxygen yana raguwa da kusan 40%, kuma ingancin injina da ma'aikata yana raguwa sosai. Ana gina ramin ne ta hanyar hakowa da bama-bamai, kuma ana amfani da magudanan ruwa guda 10 marasa hanya don taimakawa gina babban ramin, wato an saita ramukan karkatacce guda 3 a cikin ramin layin I kuma an saita ramukan karkatacce guda 7 a cikin rami na layin II.
Dangane da ƙirar ƙungiyar gini, ana nuna tsarin aiki na ƙofar rami da fita da yanki mai karkata shaft a cikin Tebur 1. Yin la'akari da canje-canje da gyare-gyare a cikin ainihin ginin, kowane yanki mai karkata shaft yana da buƙatun ginin lokaci guda na mashigai da fitarwa na layin I da layin II. Matsakaicin tsayin iska guda ɗaya ya kamata ya zama 5000m, kuma tsayin wurin aiki yakamata ya zama kusan 3600m.
A ci gaba…
Lokacin aikawa: Juni-08-2022
