Results 21 to 30 of about 96,439 (302)

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

open access: yesGeofluids, 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   +5 more
doaj   +1 more source

Surface Subsidence Characteristics and Causes in Beijing (China) before and after COVID-19 by Sentinel-1A TS-InSAR

open access: yesRemote Sensing, 2023
Surface subsidence is a serious threat to human life, buildings and traffic in Beijing. Surface subsidence is closely related to human activities, and human activities in Beijing area showed a decreasing trend during the Corona Virus Disease 2019 (COVID ...
Haiquan Sheng   +6 more
doaj   +1 more source

STUDY ON THE SPATIAL-TEMPORAL EVOLUTION OF SUBSIDENCE IN THE BEIBU GULF REGION BY TIME-SERIES INSAR [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
In this paper, based on the 24 scenes Sentinel-1A images covering the Beibu Gulf region from 2018 to 2020, we used the PSInSAR technique to obtain the surface subsidence information in the study area and analyzed the surface subsidence spatial-temporal ...
C. Wang   +7 more
doaj   +1 more source

The model of surface subsidence process at subsidence through formation [PDF]

open access: yes, 2003
The character of surface subsidence is different and has its peculiarities at different stages of mining operations. The process of surface subsidence is especially different in the initial period of mining lava comparing with other stages of mining ...
Кучин, Александр Сергеевич   +2 more
core   +2 more sources

Research on surface movement and deformation characteristics of loess gully landform in Northern Shaanxi

open access: yesMeitan kexue jishu, 2023
In order to study the surface movement and deformation characteristics of the collapsible loess gully landform in the northern Shaanxi mining area in the middle reaches of the Yellow River Basin, the N1212 working face in the loess gully area of the ...
Guomou SHI   +3 more
doaj   +1 more source

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

open access: yesThe 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   +4 more
doaj   +1 more source

Applicability of two grey models in earth-surface subsidence prediction of mining area

open access: yesGong-kuang zidonghua, 2020
Existing dynamic single-point subsidence prediction methods of mining area earth-surface are mainly based on traditional leveling measurement data, which have single monitoring mode, high cost and easily destroyed observation points, and cannot guarantee
SHI Xiaoyu   +4 more
doaj   +1 more source

Surface Subsidence Ground During Tunnel Construction [PDF]

open access: yesCentral Ukrainian Scientific Bulletin. Technical Sciences, 2020
The cross-sectional area of the tunnel, fortified with a rim, is always smaller than the excavation area in the ground. Exact methods are still very arbitrary and need to be improved. The article presents the results of calculating the internal force factors of a monolithic reinforced concrete frame of a vaulted tunnel.
Іryna Karpiuk, Vasyl Karpiuk
openaire   +1 more source

Calculation of Subsidence due to Longwall Mining with Overburden Grouting and Its Application

open access: yesGeofluids, 2022
This paper presents a prediction method of mining-induced surface subsidence due to longwall mining with overburden grouting, which has been proven an effective method to mitigate the overburden failure. This paper proposes a partial overburden grouting (
Hewen Ma, Yadong Ji, Shidong Wang
doaj   +1 more source

Calculation Model for Progressive Residual Surface Subsidence above Mined-Out Areas Based on Logistic Time Function

open access: yesEnergies, 2022
The exploitation of underground coal resources has stepped up local economic and social development significantly. However, it was inevitable that time-dependent surface settlement would occur above the mined-out voids.
Chunyi Li   +6 more
doaj   +1 more source

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