Results 11 to 20 of about 25,530 (290)

An Analysis of Surface Subsidence in Chiba Using PSInSAR Technique [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Currently, surface subsidence has become an important problem what we are facing. Because of complex topography, uneven distribution of rainfall, and the fast development of urbanization, many cities of the world have undergone surface subsidence ...
R. H. Li, Z. Zhao, M. Y. Duan, Z. Y. Wang, P. Wang   +4 more
doaj   +2 more sources

Surface Subsidence Prediction Method for Coal Mines with Ultrathick and Hard Stratum

Advances in Civil Engineering, 2019
Overburden conditions consisting of ultrathick and hard stratum (UTHS) are widespread in China and other countries, but existing surface subsidence prediction methods ignore the strong impact of UTHS on surface subsidence.
Hongkai Han, Jialin Xu, Xiaozhen Wang, Jianlin Xie, Yantuan Xing   +4 more
doaj   +2 more sources

Study on Surface Subsidence Characteristics Based on Three-Dimensional Test Device for Simulating Rock Strata and Surface Movement

Energies, 2022
The main functions of a three-dimensional test device for simulating rock formations and surface movement affected by underground coal mining were described in detail, and a series of similar related tests were carried out.
Xingyin Ma, Zhiyong Fu, Yurong Li, Pengfei Zhang, Yongqiang Zhao, Guoping Ma   +5 more
doaj   +2 more sources

Study on the Surface Subsidence Trend of Fill Mining in Underground Mines With Different Mining Depths

Advances in Civil Engineering
The extraction of underground mineral deposits can cause surface subsidence, which will bring danger to surface buildings or structures. In this paper, the Panlong lead–zinc mine in Guangxi, China, was taken as an example to analyze the correlation ...
Xianyang Qiu, Xiangrui He, Rihong Cao, Hongjie Qiu, Xiuzhi Shi, Yonggang Gou, Xiaoyuan Li, Wei Zhi   +7 more
doaj   +2 more sources

Spatiotemporal Inversion and Mechanism Analysis of Surface Subsidence in Shanghai Area Based on Time-Series InSAR

Applied Sciences, 2021
Abnormal surface subsidence has become a widespread geological problem being faced by cities. As a first-tier city in the world, there are problems such as unclear analysis of subsidence mechanism.
Jiahao Li, Lv Zhou, Chao Ren, Lilong Liu, Di Zhang, Jun Ma, Yujun Shi   +6 more
doaj   +2 more sources

Strata Movement Characteristics in Underground Coal Gasification (UCG) under Thermal Coupling and Surface Subsidence Prediction Methods

Applied Sciences, 2023
As a green, safe, and efficient method of coal development, underground coal gasification (UCG) technology has gradually moved from the experimental stage to the industrial production stage.
Xiaopeng Liu, Liangji Xu, Kun Zhang
doaj   +2 more sources

Prediction of Delayed Surface Subsidence Based on the Improved Knothe-n Model

Applied Sciences
The delayed surface subsidence caused by coal seam mining is a problem that cannot be ignored, while accurate prediction of the surface subsidence provides a guarantee of the safety and stability of the relevant areas.
Jianhui Dong, Chengqian Tang, Xiao Liu, Yangdan Dong   +3 more
doaj   +2 more sources

Integrated physical detection technology in complicated surface subsidence area of mining area

Kuwait Journal of Science, 2020
The geological conditions of the surface subsidence area in a mine are highly complex; it is difficult to obtain accurate survey results by a single geophysical prospecting method.
Zhen-tao LI, Quan-ming LI, Hong ZHANG
doaj   +2 more sources

Research and application of maximum surface subsidence model under the condition of repeated mining in weakly cemented strata

Meitan kexue jishu, 2023
The characteristics of surface subsidence under the condition of repeated mining in weakly cemented strata are of great significance to the safe and efficient mining and ecological restoration of coal resources in weakly cemented mining areas in western ...
Wenbing GUO, Mingzhen HAN, Weiqiang YANG, Zhibao MA   +3 more
doaj   +1 more source

Analysis of Mining Subsidence Characteristics and Deformation Prediction considering Size Parameters and Mechanical Parameters

Geofluids, 2022
Crushing and caving of roof strata in goaf is an important factor affecting surface subsidence. In order to study the influence law of mining under thick loose layer, overburden size parameters, and initial mechanical parameters of collapse zone on ...
Shangguo Liu, Kaixin Li, Weiping Shi, Zijun Wang, Haoran Zhang, Zhaoying Li   +5 more
doaj   +1 more source