Design of wind Energy Foundation

Wind turbines are getting larger and more powerful.  Accordingly, these high capacity turbines apply larger loads to their foundations, the structures that transfer weight from the turbines to the earth. In general, foundations are usually simple concrete blocks called footings that are placed under building walls and columns, or in the case of wind turbines, beneath the tower.  The performance of this type of foundation depends on the strength and compressibility of the soil or rock that may be present under the footing. 

 

  

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Manual Design Example for Bridge Girder

Girder bridges have come a long way from their limited small-span application to a very cost-competitive functional form, becoming the most widely used bridge type of our time. A practical girder design begins with thorough knowledge about the various regional girder types, their advantages and disadvantages compared to other bridge forms, and influences of various site constraints. Many peripheral factors, such as life cycle cost, fabrication and shipping limitations, traffic and construction conditions, and maintenance access, also affect the design. The process begins with planning, type selection, and design and ends with construction and inspection and preservation. 

 

  

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Design of Elevated Water Tanks 

Reinforced concrete water tanks are constructed for storing water. The design depends on the location of tanks, i.e. overhead, on ground or underground water tanks. The tanks can be made in different shapes usually circular and rectangular shapes are mostly used. The tanks can be made of reinforced concrete or even of steel. The overhead tanks (elevated tanks) are usually elevated from the rooftop through column. In the other hand the underground tanks are rested on the foundation. In this article, Design requirements of reinforced concrete water tanks are discussed. 

  

Design of Elevated Water Tanks 

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Asphalt Materials Science and Technology

Asphalt Materials Science and Technology

Speight, James G

Preference :

The use of petroleum is an old art but the petroleum industry and the use of asphalt are essentially a twentieth century industry. The first use of petroleum came over 5000 years ago when it was recognized that the heavier derivatives of petroleum (asphalt) could be used for caulking, as adhesives for jewelry, for construction purposes, as well as for medicinal and other purposes. The facile production of asphalt makes it an ideal choice for the rehabilitation of busy highways and aviation facilities. Whether on the highway or airport, asphalt pavements give the best value for the taxpayer dollar, with the lowest life cycle cost and the highest residual value. Asphalt is one of the indispensable materials of life in America. In fact, 94% of the paved roads in America are surfaced with asphalt. However, asphalt is a complex product that is used with aggregate, as one example, to build roads. To many, asphalt production is an art. This book will close the gap between the wide distribution and use of asphalt and knowledge of its chemical characterization for research and development.

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Content :

• Chapter 1. Nomenclature and Terminology
• Chapter 2. History, Use, and Production
• Chapter 3. Residua and Asphalt
• Chapter 4. Test Methods for Asphalt Binders
• Chapter 5. Test Methods for Aggregate and Asphalt Concrete
• Chapter 6. Asphalt Chemistry
• Chapter 7. Asphaltene Deposition
• Chapter 8. Uses of Asphalt
• Chapter 9. Asphalt Technology
• Chapter 10. Asphalt Paving
• Chapter 11. Asphalt Laydown
• Chapter 12. Environmental Aspects of Asphalt Use

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Construction Daily Report Free Excel Template

Construction Daily Report Free Template

A construction worksite is a busy place, and everything that happens on one needs to be detailed and recorded daily. These reports need to be thorough and accurate to give a consistent record of all that took place each and every day of the project.

The best way to make sure you log all these activities is by using our free construction daily report template. It has all the fields you’ll need to fill in, with signature lines for the company and client to make sure everyone is in agreement.

 

  

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Excel Construction Management Request for Information Log Template

This RFI template makes it easy to request information from contractors, architects, or subcontractors. For record-keeping purposes, the template includes sections at the top for the project name and ID number, the RFI number, the RFI date, and any attached drawings. 

If the project requires changes in expense or scheduling, add the increase or decrease to the cost and timeline. The form also includes room for a detailed response, allowing the document to serve as a written record of both the request for information and the response. Download and share the template as an Excel file, or save it as a PDF form for easy printing.

 

  

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Construction Estimator Free Excel Template

Depending on the type of construction project, a contractor may need to provide their own estimate for work. This simple construction estimator template will help to provide an initial assessment of the labor and costs associated with a project. Use this template to list the work items needed, along with associated costs, and a total estimate at the bottom.

 

  

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