Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Lielie Li"'
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 4, Pp 707-726 (2022)
This paper develops a model that only requires two sets of small-size rock specimens with the ratio of the structural geometry parameter maximum to minimum ae,max:ae,min ≥ 3:1 to determine the rock fracture and strength parameters without size effe
Externí odkaz:
https://doaj.org/article/e05ee74bbfcd4e1cb729575f1c2dd43c
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 15, Iss 1, Pp 1-28 (2021)
Highlights Reinforced concrete beam cracking behavior was experimentally examined with a new type of seismic bar. New methods for the calculation of average crack spacing and maximum crack width were presented. A unified formula for the calculation o
Externí odkaz:
https://doaj.org/article/4fabf0f7d12d46b1921d519ea46d3e4e
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
With the Stochastic Finite Element Method (SFEM), the spatial variability of soil properties can be incorporated into the analysis of geotechnical structures. Although this method is significantly superior in principle to the homogeneous analysis of
Externí odkaz:
https://doaj.org/article/e82a605e24bf4003b92621ccfe45bc6d
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Flexural capacity of beams reinforced with 400 or 500 MPa grade steel can be accurately estimated by using equations provided in design codes. Recently, 600 MPa grade steel has evolved in the construction industry, and the applicability of existing e
Externí odkaz:
https://doaj.org/article/bb5807590d8b457ba11dde8085e41c66
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
In order to solve the problem of insufficient accuracy of early temperature field caused by the change of hydration rate under different temperatures, the theoretical formula of finite element calculation based on temperature influence factor is put
Externí odkaz:
https://doaj.org/article/a1fd9184807a4a489a7eab57fce6b922
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
This study aims to investigate the effects of two freeze–thaw environments (i.e., maintenance freeze-thaw (MFT) environment and immersion freeze-thaw (IFT) environment) on the durability performance, deterioration rules, and mechanisms of concrete.
Externí odkaz:
https://doaj.org/article/ccc526d2ff7c42a9aa9734662ae7f9b3
Publikováno v:
Crystals, Vol 12, Iss 3, p 352 (2022)
This paper describes a study on the interaction between joint fissures in a nonpersistent jointed rock mass by introducing a self-consistent methodology, amending the traditional method of self-consistency by increasing the number of joints one by on
Externí odkaz:
https://doaj.org/article/693dbd237ef74cc78c6e95abaee9c355
Publikováno v:
Crystals, Vol 11, Iss 6, p 658 (2021)
In this study, activator, metakaolin, and silica fume were used as a compound activator to improve the activity of steel slag powder. The influence of activator, steel slag powder, metakaolin, and silica fume on the resulting strength of steel slag c
Externí odkaz:
https://doaj.org/article/beb7d0938e0a4207b8f4f44b0cc9a63f
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
The first part of this paper presents the major drawbacks of the traditional methods for generating joints in Particle Flow Code 2D (PFC2D). Violent oscillations in the postpeak shear stress and shear-induced dilation in the normal direction occur in
Externí odkaz:
https://doaj.org/article/a40ea08b522e4bc9b9997de82586a8f7
Publikováno v:
Archives of Civil and Mechanical Engineering. 23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d000abba825a46d9827dfc819fc7036
https://doi.org/10.1007/s43452-023-00611-z
https://doi.org/10.1007/s43452-023-00611-z