نتایج جستجو برای: foundation uplift

تعداد نتایج: 95628  

2003
Aage Bach Sørensen

The present paper reviews the geological development of the Faroes part of the NE Atlantic Margin in the Cenozoic Era. The Faroes area is located west of the post-Caledonian rift basin system formed in the Devonian after the collapse of the Caledonian mountains. Tectonic movements and plate reorganizations during several phases have strongly influenced sedimentation and erosion along the Caledo...

2007
Colin B. Amos Douglas W. Burbank

[1] The role of channel width and slope adjustments to differential uplift in rivers within actively deforming terrains remains contentious. Here high-resolution topographic surveying of formerly antecedent outwash channels demonstrates marked changes in channel width as a primary response to differential uplift. For five Late Quaternary alluvial paleochannels crossing small folds along the act...

2011
Robert Fildes Paul Goodwin

Companies tend to produce over optimistic forecasts of demand. Psychologists have suggested that optimism, at least in part, results from selective bias in processing information. When high demand is more desirable than low demand information favouring high demand may carry more weight than information that suggests the opposite. To test this, participants in an experiment used a prototypical f...

1999
A. Meigs N. Brozovic M. L. Johnson

Topographic change in regions of active deformation is a function of rates of uplift and denudation. The rate of topographic development and change of an actively uplifting mountain range, the Santa Monica Mountains, southern California, was assessed using landscape attributes of the present topography, uplift rates and denudation rates. Landscape features were characterized through analysis of...

Journal: :Advances in Materials Science and Engineering 2022

Reinforcement of pit bottom soil has been utilized in subway deep foundation-pit engineering soft-soil areas. This study proposes an improved excavation model to better investigate the effect reinforcement at a on deformation subway’s foundation pits. The strength parameters reinforced could be obtained through cone penetration test before and after pit-bottom-soil reinforcement. results show t...

Digital Elevation Models (DEMs) are used to estimate different morphologies, analysis of river profile, delineating drainage basin and drainage pattern associated with lithological and structural changes. The study area is Maroon River located in Khuzestan Province, Iran. In this study geomorphometric analysis based on DEM carried out to understand Maroon river uplift rate and tectonic- erosion...

2014
Amanda Rondot

The Southern Oklahoma Aulacogen (SOA) is a northwest-trending failed arm of a Cambrian triple junction. Significant structures along the SOA include the Wichita Uplift and the Anadarko Basin in southwest Oklahoma. The rift underwent a complex geologic history of bimodal volcanism, faulting, and subsidence before Pennsylvanian compression inverted and uplifted the structure as part of the format...

Journal: :international journal of marine science and engineering 2013
a. koochekali b. gatmiri a. a. koochekali

offshore pipelines used for oil and gas transportation are often buried to avoid damage from fishing activities and to provide thermal insulation. thermal expansion and contraction of the pipeline during operation can lead to lateral or upheaval buckling. a safe buried pipeline design must take into account a reliable evaluation of soil uplift resistance and pipe embedment depth. while the cost...

2000
Dianfa Zhang

L. Fengquan 7 B. Jianmin College of Environment and Construction Engineering Changchun University of Science and Technology, Changchun City. 130026. P.R. China Abstract The Qinghai–Tibet Plateau uplifted 13000 m in the Quaternary period. The average rate of uplift was 1–1.1 mm/year. The uplifting has remolded the geomorphology of China. The landform in China was changed from west-low and east-h...

2015
Susan V. Roberts Douglas W. Burbank

In order to determine the pattern and timing of exhumation and uplift in the Teton Range, fission-track analysis of apatites has been applied to three sections encompassing ~ 2 km of vertical relief along the Teton escarpment. The resulting data provide new insights on the doming of the Precambrian-Cambrian unconformity and on the Teton exhumation/uplift history prior to the Miocene initiation ...

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