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Typical relationships for estimating the angle of internal friction, f , are as follows: Empirical values for f , of granular soils based on the standard penetration number, (from Bowels, Foundation Analysis ). Relationship between f , and standard penetration number for sands, (from Peck 1974, Foundation Engineering Handbook ). Relationship between f , and standard penetration number for sands, (from Meyerhof 1956, Foundation Engineering Handbook ). Other soil and soil related properties are listed below:
From MineDesignWiki - Collaborating to create mining best practice Backfill binders Cement Portland cement and g round granulated blast furnace slag (GGBFS), also referred to as s lag cement , are two principal binding agents that are used in the Canadian mining industry.
You can access our copy of the United States Coast Guard's (USCG) vessel data base and extract vessel characteristic, documentation, and ownership data (please read our data caveats page). This data base is updated on a monthly basis. Our query program only retrieves data about vessels which are craft that are 5 net tons or larger and are documented by the USCG. Craft less than 5 net tons ("boats") are numbered by individual states. Refer to our data caveats page for information about who collects vessel documentation data, the type of data collected and for the authorization and rationale for publishing these data. Contact the USCG Vessel Documentation Center for vessel title and lien information.
Determining the average slope of a hill using a topographic map is fairly simple. Slope can be given in two different ways, a percent gradient or an angle of the slope. The initial steps to calculating slope either way are the same. Decide on an area for which you want to calculate the slope (note, it should be an area where the slope direction does not change; do not cross the top of a hill or the bottom of a valley). Decide on an area for which you want to calculate the slope (note, it should be an area where the slope direction does not change; do not cross the top of a hill or the bottom of a valley). Once you have decided on an area of interest, draw a straight line perpendicular to the contours on the slope.
Quest Structures has authored and reviewed numerous engineering manuals for design and safety evalaution of hydraulic structures. Federal Energy Regulatory Commission Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter XI, Arch Dams US Army Corps of Engineers Engineer Manual EM 1110-2-2400 : Structural Design and Evaluation of Outlet Works This manual provides guidance for the planning and structural design and analysis of intake structures and other outlet works. Engineer Manual EM 1110-2-6050 : Response Spectra and Seismic Analysis of Hydraulic Structures This manual describes the development and use of response spectra for the seismic analysis of hydraulic structures. The manual provides guidance regarding how earthquake ground motions are characterized for design earthquakes and how they are then used in the process of seismic structural analysis and design.
For free calculations go to the Calculator page. The calculators should be used with caution. Many of these calculators are not verified and are only intended to provide a starting point in performing a design calculations. All final design calculations should be performed using verified and validated programs or calculators that have documented evidence of the verification and validation. ________________________________________________ The following links have been reviewed and approved to be the best engineering information available on the internet, so please enjoy and if you have a better link of engineering information, email it to SiteManager@edasolutions.com .
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Unified Facilities Criteria Program Related Links Comments, suggestions and recommended changes for UFGS or UFCs are welcome and should be submitted as a Criteria Change Request. To submit a Criteria Change Request, click on the CCR link next the document title on the applicable page listed above.