Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Nianchun Deng"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Concrete-filled steel tubes (CFSTs) have been increasingly utilized in engineering due to their excellent mechanical properties. Ensuring a solid bond between a steel tube and concrete is essential for optimizing their synergistic effect. Th
Externí odkaz:
https://doaj.org/article/106f1450aeeb45f1a4b0d49fb7c88135
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03566- (2024)
This study investigates and assesses the bond performance between steel reinforcement and recycled concrete, subject to the confining effect of transverse stirrups post high-temperature exposure. A series of 24 specimen groups was examined, with vari
Externí odkaz:
https://doaj.org/article/615c14f1a8754019b4805d157365dd49
Publikováno v:
Buildings, Vol 14, Iss 10, p 3281 (2024)
The construction duration of long-span arch bridges is excessively prolonged due to insufficient closing precision and the non-convergence of traditional cable adjustment calculation methods. This study investigates cable force management in long-spa
Externí odkaz:
https://doaj.org/article/e89358a788214b0abea5236e23087ed4
Publikováno v:
Buildings, Vol 14, Iss 9, p 2648 (2024)
In this study, a static load test of prestressed steel-reinforced concrete simply supported beams was carried out utilizing three test beams to investigate the bond–slip effect between the section steel and concrete in prestressed steel-reinforced
Externí odkaz:
https://doaj.org/article/66562dd7a985497ab1b1c10b7f169cae
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5604 (2024)
Ultra-high-performance concrete (UHPC) has the advantages of high strength, excellent durability performance, etc., and its compressive strength is several times that of normal concrete (NC). Due to the role of materials such as steel fibers, the ten
Externí odkaz:
https://doaj.org/article/0fc5b3348a3a4d5da1f8c398503cf736
Publikováno v:
Sensors, Vol 24, Iss 3, p 745 (2024)
According to current regulations, welding is strictly prohibited for prestressed and tension cables. In response, this article proposes the use of a portable spot-welding machine to spot weld steel strands. This method generates a small current durin
Externí odkaz:
https://doaj.org/article/e82effbfc5544b2195e591f86ab1a414
Publikováno v:
Buildings, Vol 14, Iss 1, p 223 (2024)
Most cable arch bridge damage accidents are caused by bridge collapse due to fracture of the short sling of the arch bridge. The service life of the short sling is much lower than the design life, mainly resulting from the action of vehicles and temp
Externí odkaz:
https://doaj.org/article/6c98ee369bdb43c2aad4798e2caf78bf
Publikováno v:
Sensors, Vol 23, Iss 24, p 9648 (2023)
As an important component connecting the upper and lower structures of a bridge, bridge bearings can reliably transfer vertical and horizontal loads to a foundation. Bearing capacity needs to be monitored during construction and maintenance. To creat
Externí odkaz:
https://doaj.org/article/1903b63903414e4da67ecf10bfff16c6
Publikováno v:
Buildings, Vol 13, Iss 12, p 2901 (2023)
A novel type of traditional composite member-unbonded prestressed I-shaped steel encased in a UHPC (PSRUHPC) beam is proposed to reduce the brittleness of UHPC beams and improve their bearing capacity. A PSRUHPC beam, an unbonded prestressed UHPC (PR
Externí odkaz:
https://doaj.org/article/0d89364d9f124319934bb0e9e8e0c4a5
Publikováno v:
Buildings, Vol 13, Iss 9, p 2214 (2023)
For complex structures, the existing optimization method for suspender cable forces involves extensive matrix operations during the solution process, requiring high computational power and time. As a result, obtaining a more accurate solution becomes
Externí odkaz:
https://doaj.org/article/37aa1c64207b47369e9c2ae36e8ff32d