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by Dajin Liu, (Sr. Struct. Engr., Parsons, 10 South Riverside Plaza, Ste. 400, Chicago, IL 60606)
Practice Periodical on Structural Design and Construction, Vol. 11, No. 1, February 2006, pp. 1-13, (doi10.1061/(ASCE)1084-0680(2006)11:1(1))
Document type: Journal Paper
Abstract:
Circular base plates are commonly used for pipe columns, such as pylons in cable-stayed bridges, lighting poles, and electric power line posts. Although the explicit solutions for rectangular base plates can be found in many textbooks and AISC design procedures for base plates, a complete design procedure for circular base plates under different loading conditions has not been documented except for a large eccentric load. In this paper, a complete allowable stress design procedure is presented for circular base plates with axial loads, small eccentric loads, and moderate eccentric loads. Several design examples are shown for different loading conditions. Moderator Note
Please try to put some detail for your request
providing just the link is not much appreciated
24th-Dec-2008 CivilEA.com forum was born, however before this date we are with you by 4downloader.ir site (approximately 2-years).
I hope that the site is useful for you, We all try and have the scientific and environmental benefit, we provide you And save this important effort and cooperation of all managers of boarding is not possible users.
Second Year of Birth largest civil engineering reference to congratulate all of you.
Concrete Design & Batch v1.2 (for MS Excel) - Design of Concrete Mixtures -
Size: 881.94 KB
Comprehensive Excel spreadsheet for concrete mix design and batching. Can save up to 100 mixes. Unique easy to use features for proportioning aggregates etc. Up to six aggregates, four cements and five admix can be blended in any one mix. Sieve analysis can be entered for up to twelve course and fine aggregates. Combined grading is graphed as you design a mix. Aggregate moisture can be adjusted and batch weights produced."
CONDEZ12.XLS - At last a simple to use, fully integrated mix design and batch program with built-in features not found in any other software. The spreadsheet is fully operational and will work approximately 30 times before some features become unuseable (demo mode).
Mix Design: User friendly interface means the program can be used as a tool to produce a simple concrete mix or by using the advanced features enables the user to produce accurate complex mixes using multiple cements, admixtures and aggregates.
The program makes it simple to adjust mixes. If for example extra water , cement or any ingredient is adjusted, simply adjust the yield control back to the required amount ie.1000 (1 cu m) and the aggregates are adjusted automatically. Again if for example more fine aggregate is required, one control will adjust all the course aggregates and all the fine aggregate volumes and weights automatically.
Autor: John Hoggard, New Zealand
Manufactured by: XP Software Ltd.
Supported Operating Systems: Windows all
System Requirements: Microsoft Excel 97/2000/2003 and later
Install Support: No Install Support
- Open Excel (Macros to activate security mode "media ") and go to the directory that contains the condez12 file. Open the file.
- Will not run with other Excel Workbooks open.
- This unregistered version saves only one mix.
- The program runs best with a Pentium computer with at least 32 meg ram. It will run with only 16 but will be slow. It is preferable to run the program without any other Excel workbooks open at the same time.
- If an error message appears regarding circular references select Tools – Options and then select the Calculation tab and tick Iteration.
Code:
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While searching, I observed that an Invisible User appears. The other people in the copied " " below are incidental, and I can go to their profile. But not the Invisible User(s). It is blanked out.
I really find this upsetting. This must be addressed. Do we have a Big Brother watching???
A very interesting book showing the effects of poor field sampling and preparation on final laboratory results. A must for civil engineers and soil scientists
Table of Contents
Overview PDF
Introduction - Sangrey D., Mitchell R.
Effect of Water Saturation History on the Strength of Low-Porosity Rocks - Ballivy G., Ladanyi B., Gill D.
Four Factors Influencing Observed Rock Properties - Chamberlain P., Van Eeckhout E., Podnieks E.
Trimming Device for Obtaining Direct Shear Specimens from Samples of Stiff Fissured Clay Shale - Durham G.
Effects of Specimen Type on the Residual Strength of Clays and Clay Shales - Townsend F., Gilbert P.
Effects of Storage and Extrusion on Sample Properties - Arman A., McManis K.
Transportation, Preparation, and Storage of Frozen Soil Samples for Laboratory Testing - Baker T.
Temperature-Controlled Humid Storage Room - Bozozuk M.
Effect of Storage and Reconsolidation on the Properties of Champlain Clays - La Rochelle P., Sarrailh J., Roy M., Tavenas F.
Pore Water Extraction and the Effect of Sample Storage on the Pore Water Chemistry of Leda Clay - Torrance J.
Variation in Atterberg Limits of Soils Due to Hydration History and Specimen Preparation - Sangrey D., Noonan D., Webb G.
Effect of Specimen Preparation Method on Grain Arrangement and Compressibility in Sand - Mahmood A., Mitchell J., Lindblom U.
A Technique for the Preparation of Specimens of Loose Layered Silts - Nacci V., D'Andrea R.
Shrinkage of Soil Specimens During Preparation for Porosimetry Tests - Zimmie T., Almaleh L.
Compaction and Preparation of Soil Specimens for Oedometer Testing - Booth A.
Laboratory Preparation of Specimens for Simulating Field Moisture Conditions of Partially Saturated Soils - Chu T., Chen S.
Scalping and Replacement Effects on the Compaction Characteristics of Earth-Rock Mixtures - Donaghe R., Townsend F.
Study of Irregular Compaction Curves - Lee P.
Importance of Specimen Preparation in Microscopy - Gillott J.
Use of Ultrasonic Energy for Disaggregation of Soil Samples - Johnson A., Mostoh R.
Soil Drying by Microwave Oven - Lade P., Nejadi-Babadai H.
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:JC_handshake: Guidelines for instrumentation and measurements for monitoring dam performance
Authors: ASCE Task Committee on Guidelines for Instrumentation and Measurements for Monitoring Dam Performance
Publisher: Amer Society of Civil Engineers
Published Date: 2000-09
ISBN-10: 078440531X
ISBN-13: 9780784405314
Moderator Note:
Please, avoid titles like: "I need this book" - The forum search engine have reduced efficiency when the post have incorrect title or orthographic errors (including no space after comma).
Hope you understand!
Environmental Engineer's Mathematics Handbook
Author(s): Frank R. Spellman
Publisher: CRC Press Date: 2004 Format: PDF Language: English
ISBN10: 1566706815 Pages: 642 Size on disk: 16.5 MB
More Info:
Advanced mathematics used in engineering is studied here in this text which examines the relationship between the principles in natural processes and those employed in engineered processes. The text covers principles, practices and the mathematics involved in the design and operation of environmental engineering works. It also presents engineering modelling tools and environmental algorithm examples. Major subjects covered in this book include:
* modelling
* algorithms
* air and water pollution assessment and control calculations
Providing concepts, definitions, descriptions, and derivations in an intuitive manner, it is both a textbook and reference tool for practitioners involved in the protection of air, water, and land resources.
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Hydroecology and Ecohydrology: Past, Present and Future
Hydroecology and Ecohydrology: Past, Present and Future
Author(s): Paul J.Wood, David M.Hannah, Jonathan P.Sadler
Publisher: John Wiley & Sons, Inc. USA
Date: 2008 Format: PDF Language: English ISBN10: 0470010177
Pages: 460 Size: 4.40 MB in Disk
Info:
Water-dependent habitats are extremely diverse in terms of their nature (e.g., drylands, wetlands, streams/rivers and ponds/lakes), geography (poles to equator, low to high latitude) and many support communities and species of high conservation value, some of which are under threat from extinction. As pressure is increasing on water-dependent habitats due to global change and ever growing anthropogenic impacts, it is clear that balancing the water needs of people against those of ecosystems (terrestrial and aquatic) is, and will increasingly become, a premier environmental issue. This crucial, often precarious ‘balancing act’ involves some highly complex issues and, thus, it has compelled recent workers to identify the need, not only for new integrative science (between traditional fi elds of hydrology–ecology) and analytical approaches, but for truly interdisciplinary research. In this context, it has been argued that the ‘new’ discipline(s) of hydroecology/ecohydrology has the potential not only to unlock elements of this complexity, but also to provide a foundation for the sustainable management of water resources.
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