نتایج جستجو برای: asce penman

تعداد نتایج: 1900  

ژورنال: :مهندسی عمران مدرس 2014
رضا کرمی محمدی امیرحسین شرقی

- مبنای طراحی سازه هایی که بر اساس آیین نامه های لرزه ای طراحی می شوند، مقاومت یا نیرو (برش پایه) است . با این حال در سال های اخیر، اساس آیین نامه های مبتنی بر طراحی عملکردی، از طراحی بر اساس نیرو به طراحی بر اساس جابه جایی تغییر کرده است . در این مقاله چگونگی بهین هسازی قاب های خمشی فولادی با استفاده از تئوری تغییر شکل های یکنواخت توضیح داده شده و در ادامه از این روش برای بررسی کارایی الگوهای ...

Journal: :Frontiers in Materials 2022

In this study, it is aimed to reveal how anchored and unanchored non-structural elements (NEs) in reinforcement concrete (RC) library structures change the earthquake behaviors of these structures. A structure selected for three-dimensional (3D) analysis. First, seismic shake table tests are performed NEs modeled with/without anchorage structure. Owing tests, largest displacement values that oc...

2009
James C.Y. Guo

DEVELOPMENT THROUGH DETENTION”, ASCE J. of Hydrologic Engineering, accepted for publication in January 2009. _____________________________________________________________________________________ PRESERVATION OF WATERSHED REGIME FOR LOW IMPACT DEVELOPMENT James C.Y. Guo, P.E. and PhD Professor, Civil Engineering Department, U. of Colorado at Denver, Denver, Colorado. Email: [email protected]...

Journal: :CoRR 2013
Guan Gui Wei Peng Abolfazl Mehbodniya Fumiyuki Adachi

tec (M lea cha des exp ada LM two sig To a n (AS AS alg cha me sim est tha K nor (AS (M tec ma wa mu MI im effi rec to fre cha eac em MI Tim Abstract—Cha chnical issues MSIO) commun ast mean squ annel estimati scribed by sp ploited and th aptive sparse c MS algorithms o main drawb gnal and 2) uns o overcome the novel ASCE m SCE-NLMS). SCE method gorithm (ASCE annel sparsity ethods is conf mulat...

2000
Elke Teich

Teich's book will be of interest to three groups of readers. First, specialists in Systemic Functional Grammar (SFG) will find a detailed description of the use of SFG theory for a specific application, a discussion of some fundamental problems in the theory that are revealed by the application, and proposals for a modification of SFG theory to handle these problems. Second, those working in na...

Journal: :آب و خاک 0
اکرم سیفی سید مجید میرلطیفی حسین ریاحی

abstract reference evapotranspiration (eto) is an essential parameter required for proper management of agricultural crop irrigation. eto is influenced by many different hydrological variables and as a result is a very complex procces. eto is usually estimated by empirical or process-orinented models (mathematical relationships) from historical weather data. the need for accurate estimates of e...

2013
S. H. Tabatabaei P. Najafi

1Assistant Professor, Department of Water Engineering, Faculty of Agriculture, Shahrekord University, Shahrekord, Iran E-mail: [email protected], Af. Member of ASCE 2Research assistant, Nanjing hydraulic research institute, Geotechnical Engineering Department, Nanjing, P.R. China E-mail: [email protected] 3Assistant Professor, Department of Soil Science, Faculty of Agriculture, Khorasgan Is...

2012
Steve P. Verrill David E. Kretschmann

Confusion in the literature about the definition and calculation of repetitive member factors is identified. This confusion casts some doubt on the validity of the 1.15 repetitive member factor permitted in ASTM standards D245 and D1990. DOI: 10.1061/(ASCE)ST .1943-541X.0000413. © 2012 American Society of Civil Engineers. CE Database subject headings: Wood; Material properties; Reliability. Aut...

2005
Junke Guo Pierre Y. Julien

Analytical approximations to Einstein integrals are proposed. The approximations represented by two fast-converging series are valid for all values of their arguments. Accordingly, the algorithm can be easily incorporated into professional software like HEC-RAS or HEC-6 with minimum computational effort. DOI: 10.1061/(ASCE)0733-9429(2004)130:12(1198) CE Database subject headings: Bed load; Susp...

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