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  2. California bearing ratio - Wikipedia

    en.wikipedia.org/wiki/California_bearing_ratio

    The California Bearing Ratio (CBR) is a measure of the strength of the subgrade of a road or other paved area, and of the materials used in its construction. The ratio is measured using a standardized penetration test first developed by the California Division of Highways for highway engineering . [ 1 ]

  3. Benefit–cost ratio - Wikipedia

    en.wikipedia.org/wiki/Benefit–cost_ratio

    A benefit–cost ratio [1] (BCR) is an indicator, used in cost–benefit analysis, that attempts to summarize the overall value for money of a project or proposal. A BCR is the ratio of the benefits of a project or proposal, expressed in monetary terms, relative to its costs, also expressed in monetary terms.

  4. ACN-PCN method - Wikipedia

    en.wikipedia.org/wiki/ACN-PCN_method

    The procedure to calculate the ACN is as such: Design a theoretical pavement according to a defined criterion: For flexible pavements, design the pavement for 10,000 load applications of the aircraft according to the CBR design procedure combined with Boussinesq's solution for deflection in the elastic half-space

  5. R-value (soils) - Wikipedia

    en.wikipedia.org/wiki/R-value_(soils)

    The R-Value test [1] measures the response of a compacted sample of soil or aggregate to a vertically applied pressure under specific conditions. This test is used by Caltrans for pavement design, replacing the California bearing ratio test. Many other agencies have adopted the California pavement design method, and specify R-Value testing for ...

  6. Standard penetration test - Wikipedia

    en.wikipedia.org/wiki/Standard_penetration_test

    The test provides samples for identification purposes and provides a measure of penetration resistance which can be used for geotechnical design purposes. Various local and widely published international correlations that relate blow count, or N-value, to the engineering properties of soils are available for geotechnical engineering purposes.

  7. Average bitrate - Wikipedia

    en.wikipedia.org/wiki/Average_bitrate

    At a given bitrate, VBR is usually higher quality than ABR, which is higher quality than CBR (constant bitrate). [2] ABR encoding is desirable for users who want the general benefits of VBR encoding (an optimum bitrate from frame to frame) but with a relatively predictable file size. [ 1 ]

  8. Bearing capacity - Wikipedia

    en.wikipedia.org/wiki/Bearing_capacity

    In geotechnical engineering, bearing capacity is the capacity of soil to support the loads applied to the ground. The bearing capacity of soil is the maximum average contact pressure between the foundation and the soil which should not produce shear failure in the soil.

  9. Data compression ratio - Wikipedia

    en.wikipedia.org/wiki/Data_compression_ratio

    Lossless compression of digitized data such as video, digitized film, and audio preserves all the information, but it does not generally achieve compression ratio much better than 2:1 because of the intrinsic entropy of the data.