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I am looking at designing a slab-on-grade crossing for a Cat D10. My calculations are showing a 30" Thick Pad with #8 Rebar Min 12" Top & Bottom. The Client would like to place old railroad rails upside down approx 24" apart for the equipment to go across so the top of the concrete does not...

I am working on a project with a foundation that MUST have 4,000psf bearing capacity. The existing soil is only at 1,000 psf. What is the formula to help determine the amount that needs to sub excavated to achieve the required bearing capacity. Everything I have deals with a point load. I...

I am looking at a casing for a bucket elevator and I am trying to find material on designing an access door in the casing. The bucket elevator is 4'6" x 1'8". They are wanting to install a 5'x3' door on both sides of the casing. Is there any recommended material?

I am looking for a reference book for design of underground structures. I am looking at a decant structure that will eventually be 50' tall. The dimensions are 6'square.

I am designing a S12x40.8 beam that needs a C10x20 placed on top to form a combination section. I would like to show a stitch weld to attach the two sections together. How do I calculate the size and length of the weld to assure the combination section will act as a single beam? I have looked...

I was currently going through a co-workers computer and found a program used for viewing traffic on a network. I believe it was called show traffic. Should this be a concern for our company? We are a civil engineering firm and I do not understand why he would have this. I talked to a...

I am looking for information on designing helical piers for a water cooling tower. The water cooling tower sits on a 20'x30' concrete pad with a depth of 20'-25' to bed rock.

I am currenly working on a project and there is a W36x135 and our client would like to place holes in the Web. They would like to place 3-3" Diameter holes in 4 different locations along the beam. The beam is 32' long. The first set of holes would be at 4' on each end and the other sets...

I am currenly working on a project and there is a W36x135 and our client would like to place holes in the Web. They would like to place 3-3" Diameter holes in 4 different locations along the beam. The beam is 32' long. The first set of holes would be at 4' on each end and the other sets...

Does anyone recommend taking the "Passing Zone" Class offered through ppipass?

I am trying to "completely" understand EFP. I know a density of the material is 120 pcf but than to get the EFP I am uncertain. I have a geotech report gibeing me the EFP for active and passive but I would like to clarify this concept for my peace of mind I understand the the active soil...

When do you know if you are ready to change jobs? Money? Working atmosphere? People in your office? Organization?

Has anyone taken the Passing Zone review course, for the civil, offered by PPI PASS.? Was the course worth the money? I was thinking about signin up for this for the Oct.2006 exam.

I currently interviewed for a new job. I was unfortunately not offered the job. Do you think that being to happy in an interview is bad? Also I work for a small consulting firm and tried to go to a large industrial which I have experience in industrial settings. However the person...

Has anyone used the Passing Zone offered by ppi pass to help study for the PE Exam? Is the money worth it.

I have a W10x33 Column The Web thickness is 0.29. I need to assure that when I attach a jib crane with a 30' span to hold 1/2 ton. in the web section it will not pull out the web. I am using a manufactured jib that the Thrust & Pull is 6020#. I can not seem to find the formulas for this so I...

Calculating bending stresses to assure a plate can handle the loading? How is this calculated? Do you use the beam diagrams in ASD? and use it as a one-way?

I have a 3/8" plate that is span over a 26'x6' area and is supported every 4'3". The circumference is welded. I have a uniform load for the area at 2,200 lbs/ft or a 515 lbs/ft^2 and I also have a point load that is 4,985 lbs (there are two of them at 3' apart) How do I go about analysis a...

I have a 3/8" plate that is span over a 26'x6' area and is supported every 4'3". The circumference is welded. I have a uniform load for the area at 2,200 lbs/ft or a 515 lbs/ft^2 and I also have a point load that is 4,985 lbs (there are two of them at 3' apart) How do I go about analysis a...