ASHRAE Handbook 2008 - HVAC: Systems and Equipment - SI
English | 54 MB
The 2008 ASHRAE Handbook—HVAC Systems and Equipment discusses various systems and the equipment (components or assemblies) that comprise them, and describes features and differences. This information helps system designers and operators in selecting and using equipment.
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Now I'm using system program: win 7, 32 bits. When I install Revit Suite Structure 2011, I can't select the product Revit Structure 2011, only permited library of revit and Error report install from Autodesk. I don't uderstand what happening.
The Rock Physics Handbook: Tools for Seismic Analysis of Porous Media
The Rock Physics Handbook: Tools for Seismic Analysis of Porous Media
Cambridge University Press 2009 | 524 | ISBN: 0521861365 | PDF |
This fully updated text addresses the relationships between geophysical observations and the underlying physical properties of rocks. It distills a vast quantity of background theory and laboratory results into a series of concise chapters that provide practical solutions to problems in geophysical data interpretation. Now in its second edition, major new chapters are presented on statistical rock physics and velocity-porosity-clay models for clastic sediments. Other new and expanded topics include anisotropic seismic signatures, borehole waves, models for fractured media, poroelastic models, and attenuation models. Also new to this edition is an enhanced set of appendices with key empirical results, data tables, and an atlas of reservoir rock properties - extended to include carbonates, clays, gas hydrates, and heavy oils. Supported by a website hosting MATLAB routines for implementing the various rock physics formulas, this book is a vital resource for advanced students and university faculty, as well as petroleum industry geophysicists and engineers
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Prediction of vertical deflections for a long span prestressed concrete bridge structure
This paper presents the results of a bridge monitoring program after nine years of data collection. The North Halawa Valley Viaduct on the Hawaiian island of Oahu was nstrumented extensively during construction in 1994. The objective of the instrumentation program was to monitor both short-term and long-term behavior of the viaduct. The primary instruments used for vertical deflection, span shortening, and concrete strain monitoring are described. Short-term vertical deflections and bending strains measured during a load test of the structure are compared with analytical predictions using a commercial finite element analysis program.
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Encyclopedia of Hydrological Sciences
Author(s): Malcolm G.Anderson, Jeffrey J.McDonnell
Publisher: John Wiley & Sons Ltd
Date : 2005
Pages : 3174
Format : PDF
Quality : Excellent
Language : English
ISBN-10 : 0471491039
ISBN-13 :
Size: 63 MB
Info:
The field of hydrological science deals with the occurrence, distribution, movement, and properties of water on the earth. The science of hydrology holds a unique and central place in the field of earth system science, intimately linked with other water-related disciplines such as meteorology, climatology, geomorphology, hydrogeology, and ecology. Beyond basic scientific interest, water quantity and water quality have become two of the most pressing environmental issues of our time. The first comprehensive hydrological studies began in the late 1600s with Pierre Perrault’s field studies of the hydrological cycle and Edmund Halley’s experiments on evaporation. However, it was not until the mid-1850s that Henry Darcy quantified the hydraulics of groundwater flow and the linear relation between velocity and hydraulic gradient. Since then, and especially through the latter twentieth century, knowledge generation in the hydrological sciences exploded with new discoveries in each of the components of the hydrological cycle.
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The first stage:
necessary to make proper placement of the pile. because I need to see that all the piles load. determined that during the spring instead of the lower ends to define a simple support is required. At this point in work to identify support required. otherwise the analysis to the structure because of stability problems are likely to be false. If you grasp this point better.Definition of ground to make at this stage is not important. target properly distribute the loads on piles.
The second stage:
After placement of piling poles 1 m Search for the spring constants are defined with the horizontal directions. the vertical direction, the maximum displacement of the lower end of the target in mind (for example, 25 mm for high buildings. may.) geotechnical engineer to receive the maximum stiffness of pile capacities need to assign. If you have, if the capacity of 500 tons of piles of 500 tons / 0,025 m = 20,000 tons / m is the spring constant. only in base vertical spring coeff. The result is a single point only to the vertical control of our calculations will prevent mistakes . vertical control of the account as a result of our mistakes in front of just a single point will do.
together with the analysis of the structure can no longer pile. layout and design of reinforced concrete and reinforcement stress neticesindeki elections are held.
Hi everyone,
I'd like to ask Ram Concept users about how should I draw the perimeter beams of a slab that's Curved, without having errors in Meshing like "operation stopped at (X,Y)" and when You look at the finite element mesh at some places parts of the beams are Gone,what is the problem In this Case.
User's Guide to ASTM Specification C94 on Ready-Mixed Concrete (ASTM Manual) (Astm Manual Series, Mnl 49)
By D. Gene Daniel; Colin L. Lobo
Publisher: ASTM International
Number Of Pages: 130
Publication Date: 2005-01-01
ISBN-10 / ASIN: 0803133634
ISBN-13 / EAN: 9780803133631
Product Description:
ASTM C 94 covers the complex subject of ready-mixed concrete. This manual, co-published by ASTM International and the National Ready-Mixed Concrete Association, provides a complete and detailed explanation of C 94's uses and applications. It cuts through the broad language of the standard by using straightforward explanations and examples. Twenty comprehensive chapters plus an overview cover: • Background of ASTM C 94/C 94M • Scope • Referenced Documents • Basis of Purchase • Ordering Information • Materials • Tolerances in Slump • Air-Entrained Concrete • Measuring Materials • Batching Plant • Mixers and Agitators • Mixing and Delivery • Uses of Nonagitating Equipment • Batch Ticket Information • Plant Inspection • Practices, Test Methods, and Reporting • Sampling and Testing Fresh Concrete • Failure to Meet Strength Requirements • Keywords • Annex of Mandatory Information
Contents
Preface
Introduction
Chapter 1--Scope
Chapter 2--Referenced Documents
Chapter 3--Basis of Purchase
Chapter 4reOrdering Information
Chapter 5--Materials
Chapter 6--Tolerances in Slump
Chapter 7--Air-Entrained Concrete
Chapter 8--Measuring Materials
Chapter 9--Batching Plant
Chapter 10mMixers and Agitators
Chapter 11 ~Mixing and Delivery
Chapter 12--Use of Nonagitating Equipment
Chapter 13~Batch Ticket Information
Chapter 14--Plant Inspection
Chapter 15--Practices, Test Methods, and Reporting
Chapter 16~Sampling and Testing Fresh Concrete
Chapter 17~Strength
Chapter 18--Failure to Meet Strength Requirements
Chapter 19~Keywords
Chapter 20~Annex (Mandatory Information)
References
Appendix--ASTM C 94-35
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