No, PCASE is based on the Unified Facilities Criteria and no criteria currently exist for structurally designing pervious pavements.

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There is no good way to compare Layered Elastic Designs LED to designs using CBRs or K values. They use two separate criteria and there is no good proven conversion from modulus to K or CBR. If you have modulus values you should be using LED, if you have CBRs or K values you should be using the CBRK analysis.

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Yes, assume that the load of each tire is transmitted to the sub-layers through the contact area of one individual paver block. This is similar to what is assumed with tracked vehicles, where the load of each road wheel is transmitted to the sub-layers through an individual pad. Recommend making a copy of the design vehicle in Vehicle Edit, change the contact area of each tire to match that of a paver block, then create a traffic pattern in Traffic module using the vehicle you created and perform the design in Design module using the traffic pattern you created using the vehicle you created.

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You must have read, write, and create permissions on at least the "EMS program files directory" and all sub-directories.

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PCASE prints reports through Microsoft Office using MACROS. Instructions for resolving this issue are included in a PDF document provided within the download.

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In rigid pavement design the type and strength of base and subbase material does not matter, its the thickness of all the underlying layers that affects the PCC thickness. Count the subbase as base. The thickness of the base and or subbase modifies the subgrade k for an effective k, so it doesnt matter if its termed "base" or "subbase".

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WorldIndex, Track, and Modberg are stand alone 32-bit programs and were written for a much older version of Windows and are no longer being updated therefore, no 64-bit versions available. The Worldindex database and Modberg calculations for pavements are contained within the PCASE desktop.

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Yes, PCASE works best when set to EnglishUnited States. When using other languages, different methods of displaying and storing dates and numbers can play havoc with PCASE.

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