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بازگشت به صفحه اصلی وبلاگ مهندسی عمران راه و ساختمان(Arash Yoosefdoost)

برچسب‌ها: دانلود رایگان, پاورپوینت, بروشورها, میراگرها, بادبندها, Arash Yoosefdoost, مهندسی عمران راه و ساختمان

 ۱۵ دی ۱۳۹۰ @ ۱۰:۵۳ بعد از ظهر 

منبع : library.nu

Fluid Structure Interactions – Slender Structures Axial Flow

By Michael P. Paidoussis

http://saze.ir

  • Publisher:   Academic Press
  • Number Of Pages:   ۵۷۲
  • Publication Date:   ۱۹۹۸-۱۱-۱۵
  • ISBN-10 / ASIN:   ۰۱۲۵۴۴۳۶۰۹
  • ISBN-13 / EAN:   ۹۷۸۰۱۲۵۴۴۳۶۰۹
  • Binding:   Hardcover

Book Description:

This volume emphasizes the fundamentals and mechanisms giving rise to
flow-induced vibration of use to researchers, designers, and operators.
Fluid-Structure Interactions provides useful
problem-solving tools, and conveys the ideas in a physically
comprehensible manner. The book includes a complete bibliography of
important work in the field.

. The Non-linear behaviour of Fluid-Structure
interactions
. The possible existence of chaotic oscillations
. The use of this area as a model to demonstrate
new mathematical techniques

This book will prove invaluable to researchers, practitioners, and
students in fluid-structure interactions, flow-induced vibrations, and
dynamics and vibrations.

Summary: Fundamental reference book
Rating: 5

This is a fundamental reference book if you are working in the area
of fluid-structure interaction, vibrations and stability of pipes,
nonlinear dynamics, Coriolis flowmeters and cardiovascular biomechanics.

به حجم ۱۶٫۴۵ مگابایت

در فرمت پی دی اف (pdf)

لینک دانلود :

http://ifile.it/q0r975/__Fluid_Structure_Interactions__Slender_Structures__amp__Axial_Flow.l_50x371t79xzkx29.pdf

بازگشت به صفحه اصلی وبلاگ مهندسی عمران راه و ساختمان(Arash Yoosefdoost)

 ۱۵ دی ۱۳۹۰ @ ۴:۵۳ بعد از ظهر 

منبع : spow


فهرست مندرجات صفحه
تعریف چیلرآبی
معرفی اجزاء اصلی سیستم تراکمی چیلر آبی
کمپرسور
کندانسور
شیرانبساط
اواپراتور
تجهیزات کنترلی
(
Solenoid Valve)  – شیرمغناطیسی
(
High Pressure Control) – کنترل فشار رانش
(
Low Pressure Control)  کنترل فشار مکش
(
Oil Pressure Control)  – کنترل فشار روغن
(
Water Flow Switch ) – فلوسوئیچ آب
(
Thermostat) — ترموستات
(
Anti Freeze) — آنتی فریز
تجهیزات الکتریکی
کنترل سه فاز
(
Glass Fase) — فیوزشیشه ای
(
Internal Protection Relay) — رله الکترونیکی
کمپرسور
(
Thermal Overload Relay) ( رله اضافه جریان (بی متال
(
Circuit Breaker) (کلیداتوماتیک (مدارشکن
(
Power Contactor) – کنتاکتورقدرت
(
Control Contactor) — کنتاکتورفرمان
(
InStantanius Auxillary Contact) — کنتاکت اضافه
(
Timer Contactor) – تایمربوبین دار
(
Timer Delay Aux:Llary Contactor) -تایمرنیوماتیکی
(
Industrial Relay) رله صنعتی
شاسی استپ واستارت
(
Compressor Change Switch) -کلید تعویض
کمپرسورها
(
Interlock) -هم قفلیهای الکتریکی
شیرآلات ولوازم جنبی روی خطوط لوله ارتباطی
(
Relief Valve) – شیراطمینان
(
Charging Valve) شیرشارژینگ
(
Service Valve) – شیردستی
(
Filter Drier) — فیلتردرایر
(
Sight Glass) - سایت گلاس
(
Copper Vibration Absorber) – لرزه گیرمسی
نمایشگرها
(
Signal Lamps) – چراغهای سیگنال
(
Pressure Gauge) – گیجهای فشار
نمایش دهنده درجه حرارت آب برگشتی به اواپراتور
نمایشگرکارکردکمپرسور
مدارعیب یاب

برخی
تعاریف ضروری
توان برودتی وتوان الکتریکی

بازده
کمرسور
C.O.P

(Capacity
control system

سیستم
تغییر ظرفیت کمپرسور

برخی
تعاریف الکتریکی

حمل
دستگاه چیلر آبی
دستورالعمل نصب چیلر آبی
دستورالعمل راه اندازی چیلر آبی
یادآوری برخی نکات قبل از راه اندازی
انجام عملیات تست فشارورفع نشتی احتمالی
انجام عملیات تخلیه گازازت ووکیوم کردن دستگاه
انجام عملیات تکمیل نصب دستگاه
شارژگازوراه اندازی دستگاه
عملیات تعویض روغن کمپرسور
اشکالات حین راه اندازی
دستورالعمل نگهداری وسرویس چیلر آبی 

به حجم ۱٫۴۱ مگابایت

در فرمت پی دی اف (pdf)

لینک دانلود :

http://s1.picofile.com/file/6985068408/LiquideChillerWaterCooled_FARSI.pdf.html

بازگشت به صفحه اصلی وبلاگ مهندسی عمران راه و ساختمان(Arash Yoosefdoost)

برچسب‌ها: چیلر, چیلرابی, تهویه مطبوع, دانلود کتاب جزوه مقاله پروژه, کمپرسور

 ۰۶ دی ۱۳۹۰ @ ۴:۱۶ بعد از ظهر 

Advanced Earthquake Engineering Analysis 

CISM International Centre for Mechanical Sciences

[تصویر: 41Vg1A-FA6L.jpg]

Paperback: 221 pages-Publisher: Springer; 1 edition (October 12, 2007)-Language: English-
ISBN-10: 3211742131-ISBN-13: 978-3211742136-Product Dimensions: 9.3 x 6.9 x 0.6 inches
During the last decade, the state of the art in Earthquake Engineering Design and Analysis has made significant steps towards a more rationale analysis of structures. Scientists have long recognized that earthquake design is guided by displacements and deformations rather than forces. However due to the historical background of structural engineers in static analyses, effects of earthquake on structures have been viewed as forces acting on the structures. All presently available design building codes are developed along these lines. Our knowledge of ground motion characteristics, earthquake geotechnical engineering, structural behaviour (design and numerical analyses) and model tests have advanced to a point where it is possible to anticipate a significant move from force based design approaches to displacements based design approaches. Although displacement based analyses constitute the kernel of most research programs, they have not yet been incorporated in the state of practice.
The purpose of the book is to review the fundamentals of displacement based methods, starting from engineering seismology, earthquake geotechnical engineering, to focus on design, analysis and testing of structures with emphasis on buildings and bridges


Modal Analysis

Author: Jimin He and Zhi-Fang Fu | Size: 3.165 MB | Format: PDF | Publisher: Butterworth-Heinemann | Year: 2001 | pages: 305 | ISBN: 0750650796 


ادامه مطلب

Seismic Code Requirements

This is document refere to seismic design requeriments, also refer about seismic damage buildings, codes (UBC, ASCE, ACI, IBC... etc)

Pages: 34 
File size: 1.2 mb 



ادامه مطلب

Near-Fault Seismic Ground Motions

Author: Dreger, Douglas S., Hurtado, Gabriel, Chopra, Anil K., Larsen, Shawn C. | Size: 3.9 MB | Format: PDF
Bridges that cross faults are subject to static deformation that occurs at almost the same time as the arrival of dynamic pulse-like ground motions. Static offsets can be as large as several centimeters to many meters and strong ground motion velocity pulses exceeding 100 cm/s have been observed. Near-fault records, in the distance range of 10 to 100s of meters from faults are essentially nonexistent except for a few cases and therefore numerical simulation of ground motions for such near-fault situations is necessary. The paper presents simulated ground motions to 17.5 Hz, 15-100m from the fault for a Mw6.5 earthquake using an elastic finite-difference code. Simulations for homogeneous earth structure are compared for uniform and heterogeneous fault rupture scenarios. To investigate asymmetry of ground motions on opposite sides of a dipping reverse fault the dislocation method of Okada (1992) is used to compute static offset. From those results a simplified procedure for the simulation of near-fault time histories is developed. All of the simulations assume linear elasticity, and it is noted that the computed strain is as high as 10-4 - 10-3, and it is likely that there would be significant non-linear behavior in this near-fault region. 

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DYNAMICS OF STRUCTURES 3rd ed. by Ray Clough and Joseph Penzien 


DYNAMICS OF STRUCTURES (3Rd Edition) 
by Ray Clough and Joseph Penzien 
A CSI PUBLICATION 
Berkeley, CA, February 26, 2004 – Computers and Structures, Inc., is pleased to release the latest revision to Dynamics of Structures, 2nd Edition by Professors Clough and Penzien. A classic, this definitive textbook has been popular with educators worldwide for nearly 30 years. This release has been updated by the original authors to reflect the latest approaches and techniques in the field of structural dynamics for civil engineers. 
During the past 50 years, Drs. Ray Clough and Joseph Penzien have earned pre-eminence in the engineering community, dedicating their academic lives to improving the understanding of how structures behave when subjected to nature's forces. This 700-page book represents the culmination of that work. It introduces topics suitable for advanced undergraduate students and progresses through more advanced topics, such as non-deterministic analysis of earthquake response, appropriate for the graduate student and practicing engineer. 
This book belongs on every engineer’s shelf. Historically, few books in structural engineering have had as much influence on expanding the knowledge base in structural engineering. With this revision, the book remains an extraordinary tool for those teaching structural dynamics and a timely reference for those in professional practice.
Volume and educational pricing are available through Computers and Structures, Inc. 
ABOUT COMPUTERS AND STRUCTURES, INC. 
Founded in 1975, CSI is recognized worldwide as an innovative leader in the development of software tools for the analysis and design of civil structures. The products of CSI, including SAP2000, ETABS, SAFE, CSiCOL and CSIDetailer, are licensed to thousands of engineering firms in more than 150 countries
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Solutions Manual-Dynamics of Structures(R.W. Clough and J. Penzien)-Francisco Medina-1995.pdf 2nd edition 118 pages 
http://www.4shared.com/document/b1qGt0L7/Solutions_Manual-Dynamics_of_S.htm


Stochastic Dynamics of Structures 

Author: Jie Li, Jianbing Chen | Size: 11.2 MB | Format: PDF | Publisher: Wiley and Sons | Year: 2009 | pages: 384 | ISBN: 9780470824245 




In Stochastic Dynamics of Structures, Li and Chen present a unified view of the theory and techniques for stochastic dynamics analysis, prediction of reliability, and system control of structures within the innovative theoretical framework of physical stochastic systems. The authors outline the fundamental concepts of random variables, stochastic process and random field, and orthogonal expansion of random functions. Readers will gain insight into core concepts such as stochastic process models for typical dynamic excitations of structures, stochastic finite element, and random vibration analysis. Li and Chen also cover advanced topics, including the theory of and elaborate numerical methods for probability density evolution analysis of stochastic dynamical systems, reliability-based design, and performance control of structures. 

Stochastic Dynamics of Structures presents techniques for researchers and graduate students in a wide variety of engineering fields: civil engineering, mechanical engineering, aerospace and aeronautics, marine and offshore engineering, ship engineering, and applied mechanics. Practicing engineers will benefit from the concise review of random vibration theory and the new methods introduced in the later chapters. 

"The book is a valuable contribution to the continuing development of the field of stochastic structural dynamics, including the recent discoveries and developments by the authors of the probability density evolution method (PDEM) and its applications to the assessment of the dynamic reliability and control of complex structures through the equivalent extreme-value distribution." 
—A. H-S. Ang, NAE, Hon. Mem. ASCE, Research Professor, University of California, Irvine, USA 

"The authors have made a concerted effort to present a responsible and even holistic account of modern stochastic dynamics. Beyond the traditional concepts, they also discuss theoretical tools of recent currency such as the Karhunen-Loeve expansion, evolutionary power spectra, etc. The theoretical developments are properly supplemented by examples from earthquake, wind, and ocean engineering. The book is integrated by also comprising several useful appendices, and an exhaustive list of references; it will be an indispensable tool for students, researchers, and practitioners endeavoring in its thematic field." 
—Pol Spanos, NAE, Ryon Chair in Engineering, Rice University, Houston, USA 

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http://www.bufiles.com/etyixvvh2wkc.html 
RAR password: KCivilEA


Ground-motion prediction equations, 1964–2010

Author: John Douglas | Size: 2.45 MB | Format: PDF 


This report summarizes all empirical ground-motion prediction equations (GMPEs), to estimate earthquake peak ground acceleration (PGA) and elastic response spectral ordinates, published between 1964 and 2010 (inclusive). This report replaces: the Imperial College London report of Douglas (2004a), which provided a summary of all GMPEs from 1964 until the end of 2003; the BRGM report of Douglas (2006), which summarized all GMPEs from 2004 to 2006 (plus some earlier models); and the report of Douglas (2008), concerning GMPEs published in 2007 and 2008 (plus some earlier models). In addition, this report lists published 
GMPEs derived from simulations, although details are not given since the focus here is on empirical models. Studies that only present graphs are only listed as are those nonparametric formulations that provide predictions for different combinations of distance and magnitude because these are more difficult to use for seismic hazard analysis than those which give a single formula. Equations for single earthquakes or for earthquakes of approximately the same size are excluded due to their limited usefulness. Those relations based on conversions from macroseismic intensity are only listed. 
This report was compiled as part of Task 2 (Compilation of list of candidate GMPEs) of the Global Component on GMPEs coordinated by the Pacific Earthquake Engineering Research Center (PEER) for the Global Earthquake Model (GEM) and Workpackage 4 (Strong ground motion modeling) of the Seismic Hazard Harmonization in Europe (SHARE) project of the 
Seven Framework Programme of the European Commission (grant agreement no. 226769).
This report summarizes, in total, the characteristics of 289 empirical GMPEs for the prediction of PGA and 188 empirical models for the prediction of elastic response spectral ordinates.

In addition, many dozens of simulation-based models to estimate PGA and elastic response spectral ordinates are listed but no details are given.

It should be noted that the size of this report means that it may contain some errors or omissions. No discussion of the merits, ranges of applicability or limitations of any of the relationships is included herein except those mentioned by the authors or inherent in the data used. This report is not a critical review of the models. The GMPEs are generally reported in the form used in the original references.

http://ifile.it/z3mixq1 

http://peer.berkeley.edu/publications/peer_reports/reports_2011/webPEER-2011-102-Douglas.pdf



Examples for time history analysis

Author: S frames | Size: 3.93 MB | Format: PDF | Publisher: softeck services LTD | pages: 90 


structures are analyzed for dynamic response for blast load with examples 
http://uploading.com/files/6cm1b556/DynamicAndSeismicExamples.pdf 
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http://www.filebig.net/files/sHAx63rHGM 
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http://www.duckload.com/download/6035010/DynamicAndSeismicExamples.pdf 
http://www.shragle.com/files/b13ed89e/DynamicAndSeismicExamples.pdf



راهنمای طراحی لرزه ای سازه 10 طبقه با  ETABS

شامل سه مرحله :

1 ) آنالیز لرزه ای و طراحی بر اساس نیروی جانبی

Seismic Analysis & Design of 10 Story RC Building (Equivalent Lateral Force) Using ETABS

2) آنالیز لرزه ای و طراحی بر اساس تاریخچه زمانی

Seismic Analysis & Design of 10 Story RC Building -Time History Analysis

3) آنالیز لرزه ای و طراحی بر اساس طیف پاسخ

Seismic Analysis & Design of 10 Story RC Building - Modal Response Spectra Analysis



منبع : ایران سازه

معرفی روش های نوین در کنترل ارتعاشات ساختمان های بلند

An Introduction to the new methods
of controlling
The vibration in tall buildings
Hanie Okhovat, Aryan Amirkhani, Afsaneh Zarkesh,
PH.D, Mohammad Reza Pourjafar, PH.D

چکیده
در سال های اخیر احد اث ساختمان های بلند به ویژه در شهرهای بزرگ، که با مشکل کمبو د فضای لازم برای ساخت مسکن مواجهند ، مور د توجه بسیاری از دولت ها قرار گرفته است.توجه به این نکته حایز اهمیت است که عمدتاً در این ساختمان ها از موا د و مصالحی استفا ده می شود که سبک بوده ، از قابلیت انعطاف پذیری بالایی برخورد ارند .کمبود نسبت میرایی و میزان جذب انرژی این سازه ها موجب ایجاد د امنه ارتعاشی بزرگ حتی در زلزله های با سطح متوسط می گرد د به این دلیل سرمایه گذاری نسبتاً هنگفت ساخت این سازه ها و میزان درآمد حاصل ، پرداخت هزینه نه چندان گزاف استفاد ه از سیستم های کنترلی را توجیه می نماید.
در این مقاله به معرفی مهم ترین روش های کنترلی ،جهت مقابله با نیروهای جانبی باد و زلزله پرداخته می شو د و عملکرد مختلف هر روش در کنترل ارتعاش سازه های بلند بررسی می گرد د . نتیجه مطالعات نشان داد ه است که کارآمد ترین سیستم کنترلی ، سیستم های جذب انرژی غیرفعال ، شامل جرم میراگر متوازن می باشد که اخیراً در کشورهای پیشرفته پژوهش های فراوانی پیرامون آن صورت گرفته است . عملکرد این سیستم اساساً بر مبنای
استهلاک انرژی ارتعاشی سازه به صورت حرکت نوسانی جرم میراگر می باشد.
متأسفانه علی رغم پیشرفت های مذکور،در صنعت ساختمان کشور ما این روش ها چندان مورد توجه قرار نگرفته اند . شاید بتوان این کم توجهی را ناشی از ویژگی محافظه کارانه صنعت ساختمان ایران ، جبهگیری در برابر استفاده از فن آوری های نوین و ارتباط ضعیف آن با پژوهش های علمی روز دنیا دانست. امید است این نوشتار گامی هر چند کوچک در زمینه آگاهی رسانی درباره این نوع فن آوری ها باشد .
واژگان کلیدی: کنترل ارتعاش، سیستم های کنترلی، کنترل غیرفعال، جرم میراگر، سازه های بلند

به حجم ۶۹۵ کیلوبایت

در فرمت پی دی اف (pdf)

لینک دانلود :

http://www.ayar.ir/pdf/memari/mira.pdf

لینک کمکی از ایران  سازه

دانلود

بازگشت به صفحه اصلی وبلاگ مهندسی عمران راه و ساختمان(Arash Yoosefdoost)

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دسته ها: مهندسی عمران راه و ساختمان
ارسال شده توسط: hfarahani48
آخرين ويرايش در: 25 Oct 2011 @ 11 01 ب.ظ

ايميللينك ثابتComments (0)
 ۲۹ مهر ۱۳۹۰ @ ۵:۲۷ بعد از ظهر 

منبع : ایران سازه

مقالات علمی -… Seismic response of earth dams

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Seismic response of earth dams: some recent developments

http://www.sciencedirect.com/science/article/pii/026772618790008X

http://www.sciencedirect.com/science/article/pii/026772618790008X

Available online 14 February 2003

Abstract

The
paper focuses on theoretical methods for estimating the dynamic
response of earth dams to earthquake ground excitation. Following an
outline of the historical developments in this field, the basic
concepts/models for response analysis are introduced and their salient
features, advantages and limitations are elucidated. The major phenomena
associated with, and factors influencing, the response are identified
and studied. Particular emphasis is accorded to inhomogeneity due to
dependence of soil stiffness on confining pressure, nonrectangular
canyon geometry, and nonlinear-inelastic soil behaviour. Several new
formulations that have evolved over the last five years are outlined and
characteristic results provide considerable insight into the problem.
The simplicity of some of these formulations is underlined and attempts
are made to compare their predictions with measurements from full-scale,
natural and man-made, forced vibration tests. The basic validity as
well as the limitations of the proposed analysis methods is demonstrated
and topics of needed further research are suggested.

Keynote Address presented at the 2nd International Conference on Soil Dynamics and Earthquake Engineering, 28 June/3 July 1985

در ادامه مطلب

بازگشت به صفحه اصلی وبلاگ مهندسی عمران راه و ساختمان(Arash Yoosefdoost)

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