cvg
I think it was Agua Fria River actually as I look at Lynx Creek (see link). It seem too close to the 69. Yavapai County was the owner. As I recall they had planned for a Gabion Wall but that required temporary shoring so we proposed to eliminate the temp shoring under the bridge(which...
cvg:
There are several contractors in the Valley that specialize in this type of work. I design for most of them. I have design over 150 projects in Arizona over the last 10 years. There are certain drilling techniques we use in the Southwest that provide substantial savings. The scour...
cvg
I don't think FHWA SA 96-069 or FHWA SA 96-069R are available on line but Circular No. 7 is. It looks substantially complete to me although I have not reviewed completed. I believe they left the LRFD methodology out Circ 7. They may hove modified the facing design as well. Not sure yet...
born2drill:
Fundamentally you are correct. However, there such an animal as a prestressed soil nail. With type of nail is used where it is desireable to limit deformation under existing structure. It is constructed using corrugated sheathing. The inside of the sheathing is only filled with...
Are you still considering soil nailing for one of your projects? I am one of the authors of the FHWA manual and am based out of Phoenix. I also have design a soil nail wall under a bridge abutment for scour protection up near Prescott. It is possible.