Results 41 to 50 of about 38,514 (163)

Ground Surface Deformation Caused by Pipe Jacking Construction in a Soft Soil Area: An Experiment-Based Study

open access: yesBuildings, 2023
Soft soil has the characteristics of high compressibility, large void ratio, and strong structure. Therefore, it is more likely to cause surface subsidence or even surface cracking and collapse when laying oil and gas pipelines in soft soil areas through
Junfeng Tang   +6 more
doaj   +1 more source

Calculating vertical deformation using a single InSAR pair based on singular value decomposition in mining areas

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2020
Vertical deformation estimation can be a significant tool in preventing geological hazards and managing environment impacts of underground mining. Common ground surface vertical deformation calculations are challenged by difficult data collection and ...
Hongrui Ren, Xiaoman Feng
doaj   +1 more source

STUDY ON SURFACE STABILITY AND RESIDUAL DEFORMATION OF OLD GOAF IN DONGJIAGOU MINE,CHINA

open access: yesCivil Engineering Journal, 2021
Old goaf under the overpass becomes serious hidden trouble of subgrade-pavement and bridge engineering. Based on geological survey, geophysical survey and theoretical analysis, this paper studies on formation mechanism and distribution characteristics of
Zechuang Li   +3 more
doaj   +1 more source

Research and Application of an Elastic Solution for Surface Deformation Around Foundation Pit Excavation

open access: yesApplied Sciences
Targeting the concern that nearby inflexible buildings may be at risk for safety issues due to the surface deformation caused by foundation pit excavation disruptions, this paper took the large-scale foundation pit in the Hongshaquan second mine stope in
Dong Wang, Yiming Wu, Li Yin
doaj   +1 more source

Fault inversion contributes to ground deformation above inflating igneous sills

open access: yesVolcanica, 2021
Magma emplacement is commonly accommodated by uplift of the overburden and free surface. By assuming this deformation is purely elastic, we can invert the shape and kinematics of ground deformation to model the geometry and dynamics of underlying ...
James Norcliffe   +4 more
doaj   +1 more source

Ground Surface Deformation Prediction Using Machine Learning Approaches

open access: yesJournal of Electronic & Information Systems
This study aims to investigate the use of machine learning algorithms to predict the settlements of the ground surface triggered by tunneling using a shielding method. First, a 2D tunnel calculation scheme was proposed for nonlinear construction stage analysis using the “contraction” load, which can be used to simulate the soil volume loss.
Miller Mark   +4 more
openaire   +1 more source

GROUND SURFACE LOADING MODEL TEST ON DEFORMATION BEHAVIOR OF TUNNEL LINING

open access: yesDoboku Gakkai Ronbunshu, 2003
既設トンネル上部の近接盛士や構造物基礎の設置によるトンネル覆工への影響評価法を確立することを目的として, 二次元平面ひずみの載荷・除荷模型実験装置を用いて, 部分載荷実験を行った. 実験の対象地盤は, 初期剛性が大きく粘着力cが卓越する低強度モルタル地盤と, 初期剛性が小さく内部摩擦角φが卓越する乾燥砂地盤の2種類である.実験の結果, 部分的な上部載荷による地盤の非線形な変形挙動と, この地盤挙動との相互作用の結果として生ずるトンネル覆工の変形挙動の特性が明らかになった. さらに, FEMによる実験結果のシミュレーションを行い, 影響予測の実務に適した地盤およびトンネル覆工のモデル化の考え方を提案した.
Yoshiyuki KOJIMA   +5 more
openaire   +2 more sources

Model tests of the vertical ground deformation measurement of landslide based on multiple UAV images and its application

open access: yes地质科技通报, 2023
The safety of people and property in mountainous regions can be affected by landslides, and measurement of vertical ground formation is a vital component of landslide monitoring and forecasting.
Yaoxuan Ding   +5 more
doaj   +1 more source

Coseismic Ground Deformation Reproduced through Numerical Modeling: A Parameter Sensitivity Analysis

open access: yesGeosciences, 2019
Coseismic ground displacements detected through remote sensing surveys are often used to invert the coseismic slip distribution on geologically reliable fault planes.
Yuri Panara   +4 more
doaj   +1 more source

ESTIMATION OF SURFACE DEFORMATION DUE TO PASNI EARTHQUAKE USING SAR INTERFEROMETRY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Earthquake cause ground deformation in sedimented surface areas like Pasni and that is a hazard. Such earthquake induced ground displacements can seriously damage building structures.
M. Ali   +5 more
doaj   +1 more source

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