Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Chengyong Cao"'
Publikováno v:
Discover Civil Engineering, Vol 1, Iss 1, Pp 1-19 (2024)
Abstract To address water leakage in tunnels with high water pressure, a new waterproof drainage system was proposed. The system uses a spray-applied material with double-adhesive properties as a waterproof layer, significantly reducing leakages, and
Externí odkaz:
https://doaj.org/article/50eda44e5c784db28beb3fb74f2d16db
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
This paper aims to provide a new approach to predict the friction resistance of slurry pipe jacking. Friction force usually constitutes the main component of jacking force. It can be calculated by multiplying an effective friction coefficient and the
Externí odkaz:
https://doaj.org/article/24dd398cb4ca4f5c95027dc6a11e4ac9
Publikováno v:
Applied Sciences, Vol 12, Iss 1, p 396 (2021)
The existing cutterhead torque calculation method usually simplifies the characteristics of the shield, which ignores the rolling angle. In this paper, the cross-river shield project of Wuhan Metro Line 8 is taken as the research focus. Firstly, the
Externí odkaz:
https://doaj.org/article/74a2b4a0acf14259b2900537f1cb7f84
Publikováno v:
Water, Vol 13, Iss 9, p 1303 (2021)
At present, jet-grouted horizontal waterproof curtain reinforcement has become an essential method for deep foundation pit groundwater control. However, there is still a lack of an effective theoretical calculation method for horizontal waterproof cu
Externí odkaz:
https://doaj.org/article/1ca3e0a716604063b8ea6dba3b3b7370
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
This paper performs an extensive literature survey and example investigation on the stabilisation of slurry wall trenches during the construction of diaphragm wall panel trenches, and the failure modes of slurry wall trench instability, the stability
Externí odkaz:
https://doaj.org/article/3a515482a1da44ec875fcdcf68f82e22
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
Dewatering using the dewatering systems composed of diaphragm walls and pumping wells is commonly adopted for deep excavations that are undertaken in deep aquifers. However, dewatering can sometimes induce environmental problems, especially when diap
Externí odkaz:
https://doaj.org/article/ffb60a52f6064f01a47099ad5da2157b
Publikováno v:
Symmetry, Vol 12, Iss 12, p 2067 (2020)
The stability analysis of the tunnel face is not only essential for guaranteeing the safe construction of urban shallow tunnels, but also directly affecting the influence degree of tunnel construction on nearby structures. The primary concerns in the
Externí odkaz:
https://doaj.org/article/4aab06a5b30a462784ac0b9a903d52a1
Publikováno v:
Water, Vol 11, Iss 10, p 2182 (2019)
The dewatering of deep foundation pits excavated in highly permeable geology usually requires waterproofing technologies to relieve groundwater flow. However, no effective prediction formula is yet available for determining water inflow in the presen
Externí odkaz:
https://doaj.org/article/8399fedd805c470dbd7331f71df47c0a
Publikováno v:
Applied Sciences, Vol 9, Iss 17, p 3537 (2019)
Block-in-matrix-rocks (bimrocks) are very complicated geological masses that cause many challenging problems during the design and construction of engineering projects, such as parameter determination and landsliding. Successful engineering design an
Externí odkaz:
https://doaj.org/article/63ad04e11d044799ada5c7b5e9c85ad7
Publikováno v:
Applied Sciences, Vol 9, Iss 11, p 2307 (2019)
This paper presents a simplified methodology for the design of jet-grouted bottom sealing barriers (temporary water-tightness structures) for deep excavations that was undertaken in deep aquifers. The bottom sealing barriers are usually required to p
Externí odkaz:
https://doaj.org/article/7440dfc691b942f6af1d2ad631e4aaee