Precast concrete boxes have trouble competing against multiplate due to transport costs. If the box was twice as light, then it would be able to compete twice the radius. Any thoughts on ribbed walls on the inside? Yes, detractors would be reduced capacity, less abrasion resistance and more...
I have been inspecting steel bridges for fatigue cracks for several years now using ultrasonic. I would like to discuss some of my theories with someone who also has plenty of experience in this area. Could you please email me and we can possibly both gain. Is there anywhere else where I can...
