Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Zhengnan, Zhang"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-15 (2024)
Abstract The weakening of circular tunnels is a global problem that has not been resolved satisfactorily. In the tunnelling process, surrounding rock of circular-tunnel performs a process of “excavating → weakening → continuous excavating → w
Externí odkaz:
https://doaj.org/article/9dd02fce78644e3eac005d1e848d8e18
Publikováno v:
Materials, Vol 17, Iss 19, p 4684 (2024)
The features of rock shear-slip fracturing are closely related to the stability of rock mass engineering. Granite, white sandstone, red sandstone, and yellow sandstone specimens were selected in this study. The loading phase of “shear failure > slo
Externí odkaz:
https://doaj.org/article/526e0c36b18046edb34a15e15d4f1b04
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7970 (2024)
Layered rocks are widely distributed in mining and underground engineering. The evolution processes, such as crack initiation, development and penetration, inevitably occur due to stress changes. This study carried out an experiment and numerical sim
Externí odkaz:
https://doaj.org/article/beed233dfd9b44d6ab54f45615f6e4d2
Publikováno v:
Materials, Vol 17, Iss 14, p 3535 (2024)
In order to meet the needs of low-impact development and sustainable development, there is an urgent desire to develop an innovative recycled aggregate pervious concrete (I-RAPC) that is of high strength and permeability. In this study, I-RAPC was pr
Externí odkaz:
https://doaj.org/article/85b8aeec0dec4881a90051a70659d919
Publikováno v:
Science and Engineering of Composite Materials, Vol 31, Iss 1, Pp 126371-54 (2024)
In cold areas, freeze–thaw damage seriously affects the long-term use and safe operation of concrete structures. The constitutive model is an important foundation for predicting deformation and strength characteristics of concrete materials and for
Externí odkaz:
https://doaj.org/article/eb81adbd04c94e42902993bfec95cfea
Publikováno v:
Forest Ecosystems, Vol 10, Iss , Pp 100089- (2023)
The diameter at breast height (DBH) of trees and stands is not only a widely used plant functional trait in ecology and biodiversity but also one of the most fundamental measurements in managing forests. However, systematically measuring the DBH of i
Externí odkaz:
https://doaj.org/article/c9fef412752e4e26b3717f47624ae502
Publikováno v:
Polymers, Vol 15, Iss 8, p 1873 (2023)
To promote the anticorrosion performance of epoxy/zinc (EP/Zn) coating, graphene oxide (GO) was directly incorporated into dual-component paint. Interestingly, it was found that the method of incorporating GO during the fabrication of the composite p
Externí odkaz:
https://doaj.org/article/abcd3a49fcc84e52bb755dfe28a8cee0
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 1603-1618 (2021)
Accurately estimating and mapping forest structural parameters are essential for monitoring forest resources and understanding ecological processes. The novel deep learning algorithm has the potential to be a promising approach to improve the estimat
Externí odkaz:
https://doaj.org/article/9ccd589d7f0d4930ab2f033ed1e08579
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2740 Issue 1, p1-5, 5p
Publikováno v:
Remote Sensing, Vol 14, Iss 13, p 3023 (2022)
Regarded as a marked category of global forests, forest plantations not only have great significance for the development of the global economy, but also contribute ecological and social benefits. The accurate acquisition of the multi-scale (from indi
Externí odkaz:
https://doaj.org/article/0a11d86edc064d20b5d1444fe44c6b82