how many safety factors does an engineered problem include? by the time the calculation is done what really is the safety factor. from the material properties that the manufacture uses to provide a piece of wood at some safety factor to the last 1.5 factor at he end.
I have been on several projects that use W14X145 or 120 soldier piles with 3x12 wood lagging. How should the lagging be installed to aid in removal without cutting the lagging. Is there an easy way out there to remove the lagging from the bottom up as backfill progresses? Our guys will just...
The company I work for is deciding to purchase AGTEK grading takeoff and modeling software. What is everyones positive and negative feedback on this software? Is the most popular available, or does anyone recommend other vendors? We are a grading contractor and will use it use for bid...
I am trying to estimate how many tons of riprap per neat cubic yard of placement. I am thinking along these lines:
1) Determine riprap density from source...assume 155 lbs/ft3 in this case. That's about 2.09 tons/cy of 'rock'
2) Now the part I need someones experience on is how much void to...
I am trying to estimate how many tons of riprap per neat cubic yard of placement. I am thinking along these lines:
1) Determine riprap density from source...assume 155 lbs/ft3 in this case. That's about 2.09 tons/cy of 'rock'
2) Now the part I need someones experience on is how much void to...
