Results 11 to 20 of about 2,043,430 (304)

Intake Ground Vortex Aerodynamics [PDF]

open access: yes, 2008
When an aircraft is operating in static or near static conditions during taxiing or take-o a vortex can form between the ground and the intake. With engine diameters increasing, intakes are moving non-dimensionally closer to the ground and as a ...
Murphy, John
core   +7 more sources

GROUND SUBSIDENCE MONITORING WITH MT-InSAR AND MECHANISM INVERSION OVER XI’AN, CHINA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
The ancient Xi’an, China, has been suffering severe land subsidence and ground fissure hazards since the 1960s, which has affected the safety of Subways.
M. M. Peng   +7 more
doaj   +1 more source

Ground Deformation Pattern Analysis and Evolution Prediction of Shanghai Pudong International Airport Based on PSI Long Time Series Observations

open access: yesRemote Sensing, 2022
Being built on the reclamation area, Shanghai Pudong International Airport (SPIA) has been undergoing uneven subsidence since the beginning of its operation in 1999.
Xin Bao   +8 more
doaj   +1 more source

Deformation prediction and anti floating analysis of a raft foundation [PDF]

open access: yesE3S Web of Conferences, 2021
This paper mainly studies the deformation and stress of the concrete plat under the uniform load considering the thickness of the compression layer of layered ground.
Xu Binbin
doaj   +1 more source

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

Automating the Detection and Classification of Active Deformation Areas—A Sentinel-Based Toolset

open access: yesProceedings, 2019
The H2020 MOMIT project (Multi-scale Observation and Monitoring of railway Infrastructure Threats, http://www.momit-project.eu/) is focused on showing how remote sensing data and techniques may help to monitor railway infrastructures.
José A. Navarro   +4 more
doaj   +1 more source

Detecting the Deformation Anomalies Induced by Underground Construction Using Multiplatform MT-InSAR: A Case Study in To Kwa Wan Station, Hong Kong

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Underground constructions are implemented in cities to relieve the pressure of urbanization. Ground deformation often occurs with improper construction activities.
Songbo Wu   +5 more
doaj   +1 more source

Spatio-temporal evolution of aseismic ground deformation in the Mexicali Valley (Baja California, Mexico) from 1993 to 2010, using differential SAR interferometry [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2015
Ground deformation in Mexicali Valley, Baja California, Mexico, the southern part of the Mexicali-Imperial valley, is influenced by active tectonics and human activity, mainly that of geothermal fluid extraction in the Cerro Prieto Geothermal Field ...
O. Sarychikhina, E. Glowacka
doaj   +1 more source

Ground Deformation Monitoring for Subway Structure Safety Based on GNSS

open access: yesBuildings, 2023
Ground deformation poses a serious threat to the safety of subway structures. Consequently, intelligent and efficient automated safety monitoring of ground deformation along the subway has become urgent.
Dongmei Tan   +5 more
doaj   +1 more source

Ground movements due to excavation in clay: physical and analytical models [PDF]

open access: yes, 2010
In view of the recent catastrophes associated with deep excavations, there is an urgent need to provide vital guidelines on the design of the construction process.

core   +2 more sources

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