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السجلات المعروضة 11171 -- 11180 من 11217
Residual shear strength of fine-grained soils and soil-solid interfaces at low effective normal stresses
(
Canadian Science Publishing
, 2015 , Article)
A laboratory research program was undertaken to study the large-strain shear strength characteristics of fine-grained soils under low effective normal stresses ([1]3-7 kPa). Soils that cover a wide range of plasticity and ...
Laboratory testing of full-scale pipes partially embedded in soil to study soil-pipe interaction of offshore seabed oil and gas pipelines - Initial observations
(
American Society of Mechanical Engineers (ASME)
, 2014 , Conference Paper)
The geotechnical aspect of the design of off-shore oil and gas pipelines is a challenge due to inherent uncertainties in predicting soil-pipe interaction behaviour. Physical modeling is often sought after to gain insight ...
Geotechnical considerations on the design of piled rafts on rock
(
Research Publishing Services
, 2011 , Conference Paper)
This research shows the effect of misestimating the pile spring constant (Kpl) and the modulus of subgrade reaction (Ksg) on design of piled rafts on rock. The high mass stiffness of rock contacting the base of such rafts ...
Fully softened shear strength for soil slope stability analyses
(
American Society of Civil Engineers (ASCE)
, 2017 , Article)
The fully softened shear strengths of soils, mudstones, and shales of different plasticities and gradations were measured at low (10 and 25 kPa), intermediate (50 and 100 kPa), and high (200, 300, and 400 kPa) effective ...
Estimating the elastic settlement of piled foundations on rock
(
American Society of Civil Engineers (ASCE)
, 2015 , Article)
This research introduces a simple method for preliminary evaluation of the elastic settlement of piled foundations resting on rock. Despite a significant number of publications in this area, the present effort is distinguished ...
Bearing Capacity and Settlement of Skirted Shallow Foundations on Sand
(
American Society of Civil Engineers (ASCE)
, 2013 , Article)
The behavior of axially loaded skirted shallow foundations resting on sand was studied using an extensive numerical analysis. Surface, pier, and skirted square foundations resting on sand with different shear strength ...
الدور التشريعي للسلطة التنفيذية في ظل الدستور القطري "دراسة مقارنة"
(2018 , Master Thesis)
شهدت النظم السياسية الحديثة تراجعاً كبيراً لدور البرلمان، مما أدى إلى هيمنة السلطة التنفيذية وتدخلها في المجال التشريعي، فتقوم هذه الرسالة على توضيح الدور الهام للسلطة التنفيذية في العملية التشريعية من خلال تحديد المجال ...
Space vector vs. sinusoidal carrier-based pulse width modulation for a seven-phase voltage source inverter
(
China Power Supply Society
, 2019 , Article)
The paper presents an extensive comparison between two pulse width modulation (PWM) control schemes, namely carrier-based and space vector based PWM for a seven-phase voltage source inverter. Sinusoidal carrier-based PWM ...
Space vector pulse width modulation control techniques for a five-phase quasi-impedance source inverter
(
John Wiley and Sons Inc
, 2018 , Article)
This study proposes space vector modulation (SVM) techniques for a five-phase quasi-impedance source inverter. Five different SVM methods are elaborated utilising four active neighbouring (from two different lengths group) ...
Implementation and comparison of particle swarm optimization and genetic algorithm techniques in combined economic emission dispatch of an independent power plant
(
MDPI AG
, 2019 , Article)
This paper presents the optimization of fuel cost, emission of NOX, COX, and SOX gases caused by the generators in a thermal power plant using penalty factor approach. Practical constraints such as generator limits and ...