ISBN: 9787547855768 - research and application of key technologies for the construction of large-diameter shield tunnels passing through circular wind shafts(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2022-01-01 Pages: 188 Publisher: In order to meet the ventilation needs of long-distance tunnels. Shanghai Science and Technology Press generally needs to set up interval air shafts. Re-starting construction technology. but under the condition of wind well facing the river and rich water. the reinforcement of the end well is affected. the construction space is limited. and the risk of arrival at the station and re-starting is extremely high. Nanjing Weisa.…