Does anyone know of any reseach on the effects of coal-tar epoxy from acid attach on sewer manholes and wetwells? We've had an engineer ask us for reccommendations on standard unprotected manholes vs. Coal-tar vs. mechanical liners. I know that the mechanical liners are the best protection and...
We're working on developing a new estimating software for our Precast Concrete Company. The software is based in MS Access. Special products will need to show 3D, Wireframe, Isometric views. Currently we use an old old Quatro Pro--> AutoLisp --> R12 routine. This can only be used on a single...
I'm working on a precast concrete box section and modeling it with Visual Analysis 4.0. I have limited experience with FEA, but understand the concepts of the loading, restraints, results, etc. for the limited work that I do. One question that I have is this:
If I have a box section that is...
I'm trying to develop a couple of spreadsheet templates for our sales team. I'm trying to set up a few simple steps that would allow a salesmen to type in his information in one worksheet of a workbook, click a command button that has a macro to copy the enterred information into another sheet...
Hello all,
I'm using AutoCAD LT 2002, and trying to print to an HP LaserJet 5000 Series printer. Whenever I try to print to 11x17 paper, I get the following error message:
FATAL ERROR: Unhandled c0000090h Exception at 3398b748h
I've searched Autodesk's website, and they have a patch that...
I'm using a macro that writes into a simple Version 12 Lisp. This program runs on a network version of AutoCAD 12. Some how the system has locked a file that only allows one user. No one is using the system, but the program believes that one person is logged into it.
Is there a file that...