Zobrazeno 1 - 10
of 11 276
pro vyhledávání: '"direct shear test"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Particle shape is an important factor affecting the strength and deformation of coarse materials in dumps. However, conducting research on particle shape in current laboratory experiments, and there exists no classification standard for the
Externí odkaz:
https://doaj.org/article/7938f64a667445f7b81efaf2e9806c45
Publikováno v:
Discover Geoscience, Vol 2, Iss 1, Pp 1-12 (2024)
Abstract In recent years, there has been an increasing use of Microbially Induced Calcite Precipitation (MICP) technology in ground improvement. Adding fiber to bio-cemented sand leads to significant improvements in its properties. This paper examine
Externí odkaz:
https://doaj.org/article/915d09a298c74efab319441a8ca3dad1
Autor:
Xinrong Liu, Peiyao Li, Xueyan Guo, Xinyang Luo, Xiaohan Zhou, Luli Miao, Fuchuan Zhou, Hao Wang
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 8, Pp 1041-1058 (2024)
Some rock joints exhibit significant brittleness, characterized by a sharp decrease in shear stress upon reaching the peak strength. However, existing models often fail to accurately represent this behavior and are encumbered by numerous parameters l
Externí odkaz:
https://doaj.org/article/5e1f9d5c039143dd808580f7f6f86389
Autor:
S. M. Shazeebur Rahman, Matiur Rahman Raju, Md. Foisal Haque, Shahbo Rahman Sajib, Md. Humayun Kabir
Publikováno v:
Discover Geoscience, Vol 2, Iss 1, Pp 1-12 (2024)
Abstract This research evaluates the interfacial friction angles of sand-structural materials (i.e. concrete, steel, and wood) from direct shear and model pile tests data. Some variable parameters are considered for performing laboratory tests such a
Externí odkaz:
https://doaj.org/article/48390f79ba4b48a68853a32213590c49
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract Non-coplanar and discontinuously jointed rock masses are more complex than coplanar and discontinuously jointed rock masses. The mechanical properties and propagation mechanisms of non-coplanar and discontinuous joints were studied via direc
Externí odkaz:
https://doaj.org/article/86ae8b2fea5c46e4a93e4d5102552d11
Autor:
Zhuangcai Tian, Yihua Chang, Sichao Chen, Gengchen Wang, Yanhong Hu, Chuan Guo, Lei Jia, Lei Song, Jianhua Yue
Publikováno v:
Deep Underground Science and Engineering, Vol 3, Iss 2, Pp 197-206 (2024)
Abstract In recent years, the exploration of seabed has been intensified, but the submarine soils of silt and sand in the Yellow Sea area have not been well investigated so far. In this study, the physical and mechanical properties of silt and sand f
Externí odkaz:
https://doaj.org/article/4bd850e20f7849c7ae74f70c5cefbce1
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-25 (2024)
Abstract In order to investigate the macroscopic and mesoscopic mechanism of hydration instability of rock-grout structure under the influence of moisture content, a direct shear test combined with particle flow code (PFC) simulation was conducted su
Externí odkaz:
https://doaj.org/article/854d974fcb2f49b88a65dc7f0fa16655
Publikováno v:
Heliyon, Vol 10, Iss 18, Pp e37780- (2024)
This study examines effects of mixing municipal solid waste incineration bottom ash (MSWI-BA) with reddish laterite clay (RLC), evaluating factors such as vertical stress, mixing ratio, curing period, and the addition of lime. A total of 153 direct s
Externí odkaz:
https://doaj.org/article/c227f83e53f44dc984d48aefa759418b
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 60-70 (2024)
In order to investigate the influence of normal stress on the internal meso-scale damage process during rock shearing, direct shearing experiments and PFC3D numerical simulation experiments of granite under different normal stresses were carried out,
Externí odkaz:
https://doaj.org/article/7c3e553bb2cd43e7b20b87446b06a2cc
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract To further investigate the weakening effect of pore water pressure on intact rock mechanics properties and characteristics of fracture surface after failure, direct shear tests of sandstone were conducted under different pore pressure. A 3D
Externí odkaz:
https://doaj.org/article/352d3044234146fdb6c0f21cad92d25d