The photo of this failed SPL wall is pretty remarkable. It was discussed in a thread I came accross on EngTips.com. The originator of the thread (kleo) says he was involved from the contractor side on this project in a mountainous rainforest region near Cuba. He also says the wall was designed by “FHWA”, don’t know if that means US FHWA or what. But if so, I have no idea where this project would be located. The wall was designed for a 15-ft high cantilever with around 20-ft embedded with the last 7-ft being into bedrock. Check out the thread to kick in your hypothesis for kleo.
The FHWA is partnering with a virtual who’s-who of geotechnical engineers and contractors specializing in drilled shafts and grouting to perform a research project on post-grouting (aka base-grouting or tip-grouting) of drilled shafts. More details […]
The Mosul Dam in Iraq is in danger of an "imminent collapse" according to a Washington Post article. The dam threatens the lives of as many as 500,000 people in Mosul which could be innundated by over 60-ft of water if the dam fails. Parts of Baghdad could see as much as 15-ft of water. Read on for more info.