Results 31 to 40 of about 93,859 (254)

Fracture and Damage of Slit Charge Blasting in the Layered Rock Mass

Applied Sciences
Directional fracture blasting technology of the slit charge has broad application prospects in the drilling and blasting construction of the layered rock mass.
Chenxi Ding, Hong Su, Haitao Yang, Chenglong Xiao   +3 more
doaj   +1 more source

Experimental Study on Deformation Law of Rectangular Roadway in Horizontal Layered Rock Mass

Advances in Materials Science and Engineering, 2022
In order to analyze the characteristics and mechanism of roadway deformation caused by high stress in horizontal strata, a physical model with rectangular roadway was designed.
Dinggui Hou, Yunying Zhou, Jingxiang Wang   +2 more
doaj   +1 more source

Study on the Effect of Rock Mass Structure on CO₂ Transient Fissure Excavation

Applied Sciences, 2023
As a new rock breaking method, CO2 transient cracking has been widely used in rock excavation projects in recent years. However, in the actual construction process, there are often situations where the fracturing effect varies due to different rock mass ...
Yong Li, Haoyue Sui, Ruilin Hu, Fangpeng Cui, Yidi Qiu, Wei Gao   +5 more
doaj   +1 more source

Similar simulation test of the mechanical properties of layered composite rock mass

Energy Science & Engineering
Most of the mine roadways in China are located in layered rock mass. To study the mechanical properties of a layered rock mass, the uniaxial compression test was carried out on the layered composite rock mass composed of sand and paraffin.
Jichun Kang, Jiayi Guo, Meng Wang, Sijiang Wei, Yajun Xin   +4 more
doaj   +1 more source

Research on Damage Evolution Mechanism of Layered Rock Mass under Blasting Load

Buildings
Rock mass consists of many discontinuities, such as faults, joints, etc., and layered joints are a common kind of rock mass structure. The joints affect the stress wave propagation, and blasting is an economical and efficient rock fragmentation method ...
Lixiang Xie, Jiahao Zhang, Dongyu Yang, Yanjun Qi, Linjun Wu, Hongyun Chen   +5 more
doaj   +1 more source

RIPK4 function interferes with melanoma cell adhesion and metastasis

Molecular Oncology, EarlyView.
RIPK4 promotes melanoma growth and spread. RIPK4 levels increase as skin lesions progress to melanoma. CRISPR/Cas9‐mediated deletion of RIPK4 causes melanoma cells to form less compact spheroids, reduces their migratory and invasive abilities and limits tumour growth and dissemination in mouse models.
Norbert Wronski, Sławomir Lasota, Ewelina Madej, Anna A. Brożyna, Małgorzata Szczygieł, Agnieszka Harazin‐Lechowska, Jan Czerbniak, Janusz Rys, Jaroslaw Czyz, Agnieszka Wolnicka‐Glubisz   +9 more
wiley   +1 more source

Investigation on the pullout bearing properties and stress characteristics of fully grouted bolts in layered rock mass

Energy Science & Engineering
Coal‐measure strata is a typical layered structure, a better understanding of the bearing characteristics of fully grouted bolts in layered rock mass is of great significance for roadway support.
Yunlou Du, Yujiang Zhang, Guorui Feng, Lujin He, Xihong Zhang   +4 more
doaj   +1 more source

Tunnel surrounding rock plastic zone in the layered rock mass with the elastoplastic theory

Shuiwen dizhi gongcheng dizhi
Existing theoretical studies on the plastic zone of tunnel surrounding rock mainly focus on the circular tunnel in the isotropic rock mass, with limited attention paid to layered rock mass.
Shudong ZHOU, Tongwei ZHANG, Xinsheng WANG, Xiaoxiao MA, Hongyan LIU   +4 more
doaj   +1 more source

Investigation on the Fracture Properties of Layered Carbonaceous Slate: Experiment and Numerical Simulation

Geofluids, 2022
In order to study the influence of bedding structure on the mechanical properties of rock mass structure, this paper takes the layered carbonaceous slate in the Muzhailing tunnel as the research object, and studies the mechanical properties of layered ...
Ningning Zhao, Jili Feng
doaj   +1 more source

Experimental analysis of failure process in soft-hard combined rock masses at different inclination angles

Zhongguo dizhi zaihai yu fangzhi xuebao, 2023
In order to investigate the influence of the inclination angle of soft rocks on the evolution process of composite rock mass rupture, this paper conducted uniaxial compression experiments on composite rock masses with different inclination angles of soft
Na ZHAO, Lixin MENG, Haibin MIAO, Yibin ZHANG, Laigui WANG   +4 more
doaj   +1 more source