Zobrazeno 1 - 10
of 39
pro vyhledávání: '"YAO Zhanhu"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 10, Pp 104-109 (2024)
Objective Due to the limited space available at the shield launching site, the restricted size of the reaction frame cannot provide sufficient shield launching reaction force on its own. Therefore, it is necessary to design and install a back-support
Externí odkaz:
https://doaj.org/article/06b9821670984dd59b6e0539c35d91c5
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 10, Pp 97-103 (2024)
Objective The size of the reaction frame is strictly constrained in shield tunnel initial operation under limited space environment. In view of this, to ensure the frame can withstand the huge reaction force generated during the start-up of the large
Externí odkaz:
https://doaj.org/article/e21df48eaa064d33a59ff333a2cb03e7
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 7, Pp 136-145 (2023)
The ultrafine WC powders with particle size of 0.5 μm were coated by nano Co particles for preparation of the fine WC/Co powder. Then it was mixed with the coarse WC and Co powders, following compacted and sintered in vacuum at 1420 ℃ for 1 h for
Externí odkaz:
https://doaj.org/article/1c35140ca0444a87a18b674f55eb5263
Publikováno v:
In Tunnelling and Underground Space Technology incorporating Trenchless Technology Research November 2024 153
Publikováno v:
In Construction and Building Materials 11 October 2024 447
Publikováno v:
In Measurement January 2025 242 Part A
Publikováno v:
In Construction and Building Materials 8 December 2023 408
Publikováno v:
In Tunnelling and Underground Space Technology incorporating Trenchless Technology Research May 2023 135
Publikováno v:
Urban Mass Transit; 2024, Vol. 27 Issue 10, p104-109, 6p
Publikováno v:
Urban Mass Transit; 2024, Vol. 27 Issue 10, p97-103, 7p