Zobrazeno 1 - 10
of 713
pro vyhledávání: '"roadbed"'
Autor:
CHEN Limin
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 126-130 (2024)
Objective When a large-diameter shield is used for parallel tunnel construction adjacent to high-speed railway with long and small clear distances, it has extremely strict requirements for the deformation of the existing structure and the surrounding
Externí odkaz:
https://doaj.org/article/d1b57545b70a4030a2258ecbf21c7ea6
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-20 (2024)
Abstract Soil roadbed along the river suffers from water erosion at the bottom and collapse at the top under flood scouring, which leads to the suspension of upper pavement slab. In order to ensure the safety of soil roadbed along the river, this stu
Externí odkaz:
https://doaj.org/article/083dfce107f44a919886a164a943f9aa
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 5, Pp 55-61 (2023)
Material transport vehicle is one of the most important equipment for maintaining of railway roadbed. However, due to manual observation and operation, coupled with a lack of automation, they are susceptible to external factors, including issues of p
Externí odkaz:
https://doaj.org/article/a47e414114614a97917b988b698349aa
Publikováno v:
Buildings, Vol 14, Iss 9, p 2710 (2024)
The deformation and damage to seasonal permafrost roadbeds, as seasons shift, stems from the intricate interplay of temperature, moisture, and stress fields. Fundamentally, the frost heave and thaw-induced settlement of soil represent a multi-physics
Externí odkaz:
https://doaj.org/article/1d51ab74a4884007ab68a991e73e70d6
Publikováno v:
Applied Sciences, Vol 14, Iss 9, p 3547 (2024)
In order to study the changes in the mechanical properties of road subgrade in cold areas after the freezing and thawing of highways in cold areas, indoor mechanical tests were carried out to investigate the effects of the number of freeze–thaw cyc
Externí odkaz:
https://doaj.org/article/1bd61d355c344f51904113e14b9060de
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
On the basis of the highway subgrade construction of North Hobson Salt Lake mining area in Qinghai Province, the soil samples of high saline saturated sand adjacent to the salt lake were remolded, and four types of saturated sand containing 0%, 10%,
Externí odkaz:
https://doaj.org/article/c75cfd5f0f1b4b3fb417353b3fdde1e3
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2426 (2024)
In order to investigate the dynamic response of embankment slopes supported by wooden frame beams and bamboo anchor rods under train loading, this study conducted model tests on embankment slopes supported by wooden frame beams and bamboo anchor rods
Externí odkaz:
https://doaj.org/article/7ef43431af9b475988d1a32edda73897
Autor:
Wenhui Zheng
Publikováno v:
Results in Engineering, Vol 19, Iss , Pp 101361- (2023)
To address the lack of intelligent prediction research on dry density, this paper proposes a machine learning-based prediction method for compaction quality of high-speed railway graded aggregate (HRGA) fillers. Firstly, to reveal the main control ch
Externí odkaz:
https://doaj.org/article/714726b594174fb293709de7815af9b8
Publikováno v:
Railway Engineering Science, Vol 31, Iss 1, Pp 61-74 (2022)
Abstract Stress concentration occurs in the foundations of railway tracks where discontinuous components are located. The exacerbated stress under the expansion joints in slab tracks may trigger foundation failures such as mud pumping. Although the h
Externí odkaz:
https://doaj.org/article/48f0b546ac75452484b8be703e9672cb
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11786 (2023)
Pre-stressed high-strength concrete pipe piles (PHC pipe piles) have been widely used in actual soft foundation treatment projects due to their reliable quality, fast construction, assembly line production, and environmental friendliness. However, la
Externí odkaz:
https://doaj.org/article/fd57adb88aa6497d8ac8375018653544