نتایج جستجو برای: ground deformation

تعداد نتایج: 211173  

Journal: :E3S web of conferences 2021

For the layered ground in a large area, deformation under uniform load is analyzed numerically. Considering work property of concrete plane, uneven settlement strictly restrained using different foundation. In process calculation, according to linear interpolation multiple borehole elevations, geological profiles with soil layer thickness are formed, and influence compressed on total fully cons...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2021

Abstract. The Advanced Differential Interferometric SAR (A-DInSAR) technique is a class of powerful techniques to monitor ground motion. In the last two decades, A-DInSAR has undergone an important development in terms processing algorithms and capability wide areas. This been accompanied by increase Synthetic Aperture Radar (SAR) data acquisition spaceborne sensors. An step forward was launch ...

Journal: :Remote Sensing 2013
Jie Chen Jicang Wu Lina Zhang Junping Zou Guoxiang Liu Rui Zhang Bing Yu

Shanghai is a modern metropolis characterized by high urban density and anthropogenic ground motions. Although traditional deformation monitoring methods, such as GPS and spirit leveling, are reliable to millimeter accuracy, the sparse point subsidence information makes understanding large areas difficult. Multiple temporal space-borne synthetic aperture radar interferometry is a powerful high-...

2006
MARCONE C. PEREIRA M. C. PEREIRA A. L. Pereira

In this work, we show that the eigenvalues of the problem  (∆2 + V (x) + λ)u(x) = 0 x ∈ Ω u(x) = ∆u(x) = 0 x ∈ ∂Ω are generically simple in the set of C4 regular regions of Rn, n ≥ 2. In fact, we prove that there exists a residual set of regions C4 diffeomorphic to a given Ω such that all the eigenvalues for a supported plate equation are simple.

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