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SEEmix Functionalities


  • Helping Concrete Producers

    Managenement of Test Results

    SEEMIX III can easily manage your aggregate and concrete test results. Input a new sample within secondsand complete the gradation test sheet in less than one minute. The same applies to concrete samples. The test sheets are simple and will let you save all required information to generate statistical reports.

    Extract Statistical Data
    Whether you want to run a simple tabular report or a multi-parameter CUSUM chart, SEEMIX III is the perfect tool for you. You decide what’s important for you! The process is simple and can easily be understood by anyone. The users can generate report templates and save them for future use. Users can choose from a wide range of report types including: Tabular, Timeline chart, Multi-variable CUSUM, Frequency distribution, Regression analysis, Strength-Gain curve and ACI 318 overdesign.

    Filtering Capabilities
    SEEMIX III also has a built-in filter that allows the users to search any parameter from the database. The filter was designed to help users quickly get access to the information they really need.

    Tabular reports are easy to create and are generally used to display information on multiple columns. Timeline charts are used to display large amounts of data and can spot individual variations. Multi-variable CUSUM charts are mostly used on large scale projects to identify production trends or changes.

    Combined with additional parameters the users can usually spot correlations between those parameters. Frequency distribution graph (Bell curve) is used to determine if the data being analyzed is properly distributed. Regression analysis charts can be used to establish the relationship between different parameters. Strength-Gain curve charts display the maturity of concrete strength over a time period. ACI 318 overdesign report will analyse a specific mix and calculate the required strength.

    Identify the cause of problems - Regression analysis creates a graph that shows how one parameter relates to another. For example, a graph plotting air content vs. Compressive strength can show how much a given change in the air content will affect the strength. Also, from the same data SEEMIX III can determine how closely the data correlate.

    Spot trends
    Both the timeline and CUSUM charts make it easy to spot trends affecting the concrete. Typically, in the summer concrete strength decrease. If an adjustment is not made to the mixture, strengths may go below specified limits. In fall strength may rise, resulting in excessively high strengths. In either case, SEEMIX III graphs make it easy to spot these trends so the appropriate action can be taken.
  • Mixture Analysis

    When analyzing an existing concrete mixture, the user can enter the weights of the raw materials, material specific gravities, and aggregate gradations. SEEMIX III will then calculate:
    • Yield - Is the concrete producing 1yd³ or 1m³?
    • Workability - Is the concrete too rocky or too sandy?
    • Mortar factor - Is the mixture appropriate for its suggested use?
    • Combined aggregate grading - Is the mixture uniformly graded or gap graded?
    • Cost - What is the cost of the combined materials?

    SEEMIX III provides the resulting mixture analysis in a series of graph, charts and tables that the user can compare to previous mixtures to determine the suitability of the mixture.

    While SEEMIX III provides guidelines in the areas of workability, mortar and combined grading requirements, the user can compare the actual results to local historical information about mixture requirements and obtain a much better estimate of mixture suitability. SEEMIX III does not attempt to dictate material requirements based on preconceived notions of what makes good concrete in our office in Montreal. It allows the used to determine what works best for him, then reproduce that as materials change.
  • Mixture Adjustments

    As early as the 1920’s, Duff Abrams – one of the founders of the “Water/Cement Ratio” theory, determined that "a fixed proportion of coarse and fine aggregate... is far from acceptable.” As materials and conditions change, adjustments have to be made to concrete mixture proportions to maintain uniform concrete characteristics.

    SEEMIX III can automatically adjust mixture proportions for changes in material specific gravities, aggregate gradings and concrete test standard deviations. As the technology develops, we anticipate that it will be able to adjust for changes in ambient conditions,actual batch weights, other raw materials characteristics as well as for such factors as changes in haul times to a project.

    Preparing mixture reports manually can be a time-consuming task. Typically, the QC manager must either hand-calculate mixture proportions or go through old files to find an existing mixture.

    SEEMIX III can substantially speed up the mixture reporting process. Because previously determined mixtures are stored in one place on the computer, it is easy to locate them. The user can then just punch a button and have SEEMIX III print the entire mix design - complete with mixture proportions, mixture analysis and combined aggregate gradings. Users report this save hours on a monthly basis.
  • Mixture Proportioning

    When proportioning concrete mixtures, the user selects from any of a number of procedures for determining proportions. Then SEEMIX III calculates the mixture proportions based on the raw material characteristics and by the procedure (method) selected by the user. These procedures include (but are not limited to):
    • ACI 211 - American Concrete Institute procedure for selecting mixture proportions
    • Air content based on exposure condition
    • Cement Water/Cement Ratio o Historical statistical over design
    • Fly ash, ground blast furnace slag, micro-silica
      - Percent replacement of cement by weight or volume
      - Percent addition to cement by weight or volume
    • Aggregates :
      - Combined Fineness Modulus
      - Mortar factor
      - Workability factor

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