نتایج جستجو برای: ground deformation

تعداد نتایج: 211173  

Journal: :Remote Sensing 2016
Chengsheng Yang Qin Zhang Qiang Xu Chaoying Zhao Jian-bing Peng Lingyun Ji

The Linfen–Yuncheng basin is an area prone to geological disasters, such as surface subsidence, ground fissuring, fault activity, and earthquakes. For the purpose of disaster prevention and mitigation, Interferometric Synthetic Aperture Radar (InSAR) was used to map ground deformation in this area. After the ground deformation characteristics over the Linfen–Yuncheng basin were obtained, the cr...

2004
C. Aydöner E. Alparslan

SAR interferometric data can be used for extracting three dimensional information of the earth’s surface by using the phase part of the radar signal. In this study, available SAR interferometric data acquired before and after the Marmara earthquake of 1999 and provided by ESA were used for mapping the ground deformation in the satellite line of sight (LOS) in the Izmit province. The interferome...

Journal: :Geophysical Research Letters 2017

2012
Gemma Piella Antonio R. Porras Mathieu De Craene Nicolas Duchateau Alejandro F. Frangi

This paper presents motion and deformation quantification results obtained from synthetic and in vitro phantom data provided by the second cardiac Motion Analysis Challenge at STACOM-MICCAI. We applied the Temporal Di↵eomorphic Free Form Deformation (TDFFD) algorithm to the datasets. This algorithm builds upon a di↵eomorphic version of the FFD, to provide a 3D + t continuous and di↵erentiable t...

2015
Amy L. Parker Juliet Biggs Richard J. Walters Susanna K. Ebmeier Tim J. Wright Nicholas A. Teanby Zhong Lu

a r t i c l e i n f o Satellite Radar Interferometry (InSAR) is suited to monitoring ground deformation on the scale of volcanic arcs, providing insight into the eruptive cycle over both long and short time periods. However, these measurements are often contaminated with atmospheric artefacts caused by changes in the refractivity of the atmosphere. Here, we test the use of two large-scale atmos...

Journal: :international journal of mining and geo-engineering 0
v b maji iit madras abite adugna govt of ethiopia

tunnelling through cities underlain by soft soil, commonly associated with soil movement around the tunnels and subsequent surface settlement. the predication of ground movement during the tunnelling and optimum support pressure could be based on analytical, empirical or the numerical methods. the commonly used earth pressure balance (epb) tunneling machines, uses the excavated soil in a pressu...

Journal: :international journal of mining and geo-engineering 0
v b maji iit madras abite adugna govt of ethiopia

tunnelling through cities underlain by soft soil, commonly associated with soil movement around the tunnels and subsequent surface settlement. the predication of ground movement during the tunnelling and optimum support pressure could be based on analytical, empirical or the numerical methods. the commonly used earth pressure balance (epb) tunneling machines, uses the excavated soil in a pressu...

Tunnelling through cities underlain by soft soil, commonly associated with soil movement around the tunnels and subsequent surface settlement. The predication of ground movement during the tunnelling and optimum support pressure could be based on analytical, empirical or the numerical methods. The commonly used Earth pressure balance (EPB) tunneling machines, uses the excavated soil in a pressu...

Evaluation of the excavation-induced ground movements is an important design aspect of supporting system in urban areas. This evaluation process is more critical to the old buildings or sensitive structures which exist in the excavation-affected zone. Frame distortion and crack generation are predictor, of building damage resulted from excavation-induced ground movements, which pose challenges ...

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