نتایج جستجو برای: arch dam

تعداد نتایج: 34185  

Journal: :Water 2022

The system identification of concrete dams using seismic monitoring data can reveal the practical dynamic properties structures during earthquakes and provide valuable information for analysis structural response, finite element model calibration, assessment postearthquake damage. In this investigation, Pacoima arch dam were used to identify modal parameters. identified parameters dam, derived ...

Journal: :Structural control & health monitoring 2023

Machine learning has become increasingly popular for modeling dam behavior due to its ability capture complex relationships between input parameters and responses. However, the use of sophisticated machine methods monitoring behaviors making decisions is often hindered by model uncertainty a lack interpretability. This paper introduces novel health monitoring, focused on radial displacement see...

2017
Elena Ridolfi Giulia Buffi Sara Venturi Piergiorgio Manciola

This paper investigates the accuracy of models obtained by drone surveys. To this end, this work analyzes how the placement of ground control points (GCPs) used to georeference the dense point cloud of a dam affects the resulting three-dimensional (3D) model. Images of a double arch masonry dam upstream face are acquired from drone survey and used to build the 3D model of the dam for vulnerabil...

Journal: :Pediatric dentistry 2004
Sonia Lim Kell Julliard

PURPOSE The purpose of this study was to investigate the efficacy of EMLA (eutectic mixture of local anesthetics, 2.5% lidocaine and 2.5% prilocaine) cream in reducing discomfort from pressure applied by rubber dam clamp. METHODS A consecutive sample of 31 patients, ages 6 to 12 years who presented for sealants from September 2002 through March 2003, participated in this within-subjects contr...

Journal: :IOP Conference Series: Earth and Environmental Science 2018

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی عمران 1385

اهمیت سازه ها با توجه به معیارهای مختلف از جمله هزینه ساخت، کاربری سازه و ... تعیین می شود. هر چقدر هزینه ساخت بیشتر باشد باید وقت و زمان بیشتری برای محاسبات صرف گردد تا در حد امکان سازه بهینه طراحی شود. اولین سدهایی که توسط بشر ساخته شدند کاربردهای ذخیره و هدایت آب را برعهده داشتند امروزه سدها مسیولیت های حیاتی تولید نیروی برق، آبیاری، تامین آب آشامیدنی و کنترل سیلاب را برعهده دارند که اهمیت ب...

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