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Q & A
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Software Q&A
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General Questions |
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I cannot print the report to my desired printer, what I should do?
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For some computers, the software only recognizes default printer. Please do the following:
1. Close the program you are working on
2. In Windows, select the desired printer as default printer
3. Restart the software; you can printer on the desired printer now
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How do I save the graphics to a PDF file?
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If you have installed Adobe PDF writer, it works like a printer. Since our program only recognizes default printer of Windows, you must close the software and set the printer as default printer before printing. Please do the following:
1. Close the program you are working on
2. In Windows, click [start], go to settings, then printers.
3. Find PDF writer (which works as a printer)
4. Make it as default printer
5. Close printer screen
If you do not have Adobe PDF writer, you can install PrimoPDF, which is free. Please go to : www.primopdf.com to download and install.
6. Restart the software |
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Do I need to install any software to use Civiltech USB key?
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The USB key is a jump drive, standard technology which will generally be compatible with modern operating systems. If you use Windows 98, however, you need to install a USB driver. |
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Does Civiltech software meet European codes?
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The program is a analytical tool. It is not design program. Like F=ma or 1+1=2, the program can be used in any country. Thus, engineers must apply code and factors to the loading before input. The programs allow inputting different Factor of Safety (F.S.) to the calculation. |
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Why does my software (code version) not work any more?
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The code versions of our software were released several years ago. Recently, Microsoft made many security changes to the Windows operating system. Some Windows DLL have been modified, so if your system has updated to certain new Microsoft service packs, or you bought new computer, the registration function of code version may be not compatible with these changes in Windows. To solve this problem, you can either re-install your previous Windows operating system or upgrade to our new USB key version. The USB key is a jump drive, standard technology which will generally be forward compatible with future operating systems. We suggest that you upgrade your software to newest version, which includes bugfixes and new features and uses a USB key. |
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AllPile Questions |
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How can seismic condition be considered in lateral analysis?
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Seismic condition can be considered in lateral analysis in page D. Please set loading as cyclic, input number of cyclic from 2 to 50 (from low to high based seismic conditions).
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How can users define the location (depth) of p-y, t-z in output?
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In page F, Item 6, users can define location (depth) of p-y, t-z curve in output. If a soil layer has user defined p-y curve, the program does not output p-y data for the soil.
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Can users define the bearing capacity instead of the program calculated ones?
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Users can define the bearing capacity in page C. Please click Item 2 - add a tip section. Then open the pile section screen and input the bearing capacity in Item 7. Users can also easily set bearing capacity to zero in page F, Item 2. |
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What are the differences between Drilled Shafts and SHAFT (US FHWA methods) in pile type?
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Drilled Shafts have two types: One type is for diameters less than 24 inches; the other is for diameters larger than 24 inches. The calculation methods are the same for both types, but the parameters are different. Please review the parameters in Setup screen. SHAFT uses calculation methods recommended by US FHWA. It mainly uses SPT for bearing capacity. Some side resistances are ignored in exclusion zone. SHAFT is a more conservative method. |
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Why are the end bearing results different from my hand calculations?
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In page F of the program, item 3 defines a bearing stratum. Different bearing stratum will generate different bearing results; the program uses average soil properties in the stratum. You may use the soil properties directly at pile tip for calculation by setting the stratum to zero; in this case you will get the same results as your hand calculation. |
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Shoring Questions |
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Does the program use Boussinesq equation? (Surcharge module)
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The program uses Teng’s equation for strip loading calculation, which is modification of Boussinesq equation for shoring design by experiment. Reference is in Foundation Design by Wayne and Teng, Prentice-Hall Inc. The method is well accepted in Shoring design. The area loading, point loading, and line loading are developed from the strip loading method for consistency. |
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Why are the surcharge results from the program different from my hand calculation for Teng’s Strip Load method? (Surcharge module)
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1. You need to select option 3, rigid wall, Item3, of page A. Pressure in a flexible wall is half of the rigid wall.
2. A common mistake people make in strip load calculation is using half of the loading width to define centerline. It should be half of the total angle.
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When should I use option 3, Formula Solution in Page E, Item 1? (Earthpress module)
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If the ground is flat and infinite slope, it will get the same results as option 1, numerical solution. The option 3 is for your hand check. |
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Why can't I see the pressure slope change at depth of water table? (Earthpress module)
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You need select option 6 in page A, Item 2. Other options are the average of total active pressure above base. |
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Which option should I select in Apparent Envelopes? (Earthpress module)
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Option 6 is recommended if you do not know the pressure envelopes. |
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LiquifyPro Questions |
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What are the advantages of the Modified Robertson Method?
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For the CPT test, the Seed and Suzuki methods need users to input fines, otherwise the program will assume that the soils are clean sand with Fines=0%. Users also need to select Correction methods separately for Liquefaction and Settlement.
For SPT and BPT, users have to input Fines. Otherwise, the program will do the same as above and assume the soils are clean sand with Fines=0%. Users also need select Correction methods separately for Liquefaction and Settlement.
For the CPT test, Robertson will make Fine correction based on the qc and fc. The Fine correction is used for both liquefaction as well as settlement analysis. You do not input the Fines content.
For the CPT test, Modify Robertson not only makes the Fines correction based on the qc and fc, but it also calculates the Fines Content. The Fines correction is used for both liquefaction as well as settlement analysis. You do not input the Fines content
If you have the Fine information, you can input it. But Robertson and Modify Robertson will ignore inputted Fines. Other methods and SPT will use the inputted Fines.
You can input calculated Fines from Modify Robertson, then input the Fines back and let the other methods use the data. Modify Robertson will ignore the inputted data. |
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What if I do not know the Fines Content?
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For the CPT test, Modify Robertson not only makes Fines corrections based on the qc and fc, but also calculates the Fine Content. The Fines correction is used for both liquefaction as well as settlement analysis. You do not need to input the Fines content. |
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SuperLog Questions |
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Should I upgrade from version 2 or 3 to version 4?
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No it is not necessary because they have the same functions. V2 and V3 are code version and V4 is USB key version. The files and templates are not compatible. If you upgrade your Windows, Code version may not work. Then you need consider upgrading to V4. |
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What is the difference between versions 2, 3, and 4? Should I upgrade to version 4.
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There is no major difference between versions 2, 3, or 4 regarding major functions.
The only differences are more template formats in v3, and even more in v4.
If you already have previous template or log files in V2 or V3, I suggest that you stay with that version.
Note! Versions 3 and 4 are not compatible with version 2! Old files and templates for version 2 cannot be used.
If you re-design a new template and start all the log files from scratch, you can upgrade to V4.
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