Results 1 to 10 of about 6,435,808 (241)

Study on Energy Dissipation Characteristics and Damage Law of Backfill under Cyclic Impact

Shock and Vibration, 2022
This research aims to study the damaging effect of underground blasting mining pillars on adjacent cemented filling bodies. The filling bodies were made by mixing ore rock with ash sand by the ratio of 1 : 4 and 1 : 6, respectively, which were subjected ...
Xianglong Li, Qinglian Zhou, Jianguo Wang, Wei Sun, Yongxin Yao, Yongbo Wu, Zhiping Zhang   +6 more
doaj   +1 more source

Research on the Identification of Precursor Information of Limestone Rockburst under Triaxial Unloading Conditions

Geofluids, 2022
Based on the energy evolution of limestone and acoustic emission evolution law, this paper takes the limestone unloading energy evolution law and acoustic emission cumulative ringing count, cumulative energy, RA value, acoustic emission information ...
Wenjun Ding, Zonghong Zhou, Jian Liu, Tingkai Hou, Jiaxin Wang, Jin Li, Xin Zhang   +6 more
doaj   +1 more source

Analysis of Dynamic Damage Fractal and Energy Consumption Characteristics of Dolomite Marble

Shock and Vibration, 2022
To investigate the damage fractal and energy dissipation of dolomite marble under blasting load, Dahongshan Copper Mine was selected as the test object and one-dimensional SHPB impact tests with different strain rates were carried out.
Ting Zuo, Zehu Zhao, Jianguo Wang, Xianglong Li, Zihao Tao, Changhui Yang   +5 more
doaj   +1 more source

Strain Rate Effect on Mechanical Properties of Cemented Backfill under Dynamic and Static Combined Loading

Shock and Vibration, 2021
In order to study the influence of pillar stopping blasting on the stability of cemented backfill, the dynamic impact test under low strain rate (61.1∼86.8 s−1) was conducted on cemented backfill with two kinds of strength using three-dimensional coupled
Xianglong Li, Zihao Tao, Jianguo Wang, Ting Zuo, Jun Ma, Qiang Li   +5 more
doaj   +1 more source

Study on the Fractal Characteristics of the Pomegranate Biotite Schist under Impact Loading

Geofluids, 2021
In order to study the fractal characteristics of the pomegranate biotite schist under the effect of blasting loads, a one-dimensional SHPB impact test was carried out to test the dynamic compressive strength, damage morphology, fracture energy ...
Jianguo Wang, Ting Zuo, Xianglong Li, Zihao Tao, Jun Ma   +4 more
doaj   +1 more source

Deformation Analysis of Surrounding Rock of Deep Roadway by the Fluid Structure Coupling Model with MIDAS-GTS

Advances in Materials Science and Engineering, 2022
In order to verify the universal applicability of the fluid structure coupling model to the analysis requirements of deep tunnels under the MIDAS-GTS geotechnical simulation environment, the study, together with several mining enterprises, carried out ...
Jun Jiang, Zhengmeng Hou, Kepeng Hou, Yongfeng Lu, Huafen Sun, Xiangdong Niu   +5 more
doaj   +1 more source

The Damage Constitutive Model of Sandstone under Water-Rock Coupling

Geofluids, 2022
A constitutive model based on damage mechanics and statistical strength theory for sandstone under water-rock coupling is proposed and verified by laboratory tests and numerical tests.
J. Jiang, Z. M. Hou, K. P. Hou, Y. F. Lu, H. F. Sun, X. D. Niu   +5 more
doaj   +1 more source

Study of Structural and Compression Properties of Soft Soils in Kunming at Different Moisture Contents

Shock and Vibration, 2023
The structure of soil refers to the properties and arrangement of soil particles and pores, as well as their interactions, which have a significant impact on the mechanical behavior of soil.
Wei Guo, Shiguang Xu, Tuo Hong, Shaolei Hao, Gang Chen   +4 more
doaj   +1 more source

Mining Ground Surface Information Extraction and Topographic Analysis Using UAV Video Data [PDF]

E3S Web of Conferences, 2020
Taking the Xiangwang bauxite mining of Xiaoyi City, Shanxi Province as the research object, the DJi “Wu”inspire2 model Unmanned aerial vehicle (UAV) was used to obtain the video data, image data and Ground control points (GCP) data of a typical pit in ...
Yaqiu Yin, Cunhao Jiang, Jing Lv, Jie Wang, Xing Ju, Hao Wang, Yu Xing, Lushou Zhang   +7 more
doaj   +1 more source

Effectiveness of Liquid Organic Fertilizer On N-Total of Soil, N, P, K Uptake, and Yields of Peanut (Arachis hypogaea L.) In Inceptisols Jatinangor [PDF]

E3S Web of Conferences, 2023
Inceptisols are often used for intensive cultivation and have low levels of essential nutrients. Improvement of this fertility rate can be achieved by the application of organic based fertilizers that can increase soil fertility.
Sudirja Rija, Citraresmini Ania, Sara Dirga Sapta, Solihin Eso, Mustikasari Astri   +4 more
doaj   +1 more source