Typically we use gabions, but California RWQCB environmental review prevents us from using gabions near a creek for fear critters will get caught and die. Similarly we can't do a sheet pile wall because we're operating under a general permit which prohibits pile driving. So we have a tieback...
In designing the lagging, it looks like ACI 318 Section 9.3.3.1 and Table 9.6.3.1 result in no stirrups required as Vu in not greater than(phi)Vc and the depth is less than 10 inches. I do plan on putting #3 at 8" o.c. beginning 2" from the ends to the middle. I was stumped as to why the...
I have an 11 foot wall to support a road next to a creek in an alluvial floodplain in very poor soil. The geotech engineer is not allowing any bearing, only 200 psf in slip friction for nine feet of sandy strata beginning two feet under the lagging for nine feet in depth (13-22ft). Under that...
