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Thanks for all the valuable information. iandig thanks for the valuable info. I will need some time to digest. Thanks for the link to Poulos and Davis This book is too expensive to purchase ($1000 on Amazon). I tried to give everyone a check for a valuable post but I did not do it in the...

First off thanks to everyone for the advice. This is a great forum that has loads of good advice. Oldestguy: Sorry,I phrased my question wrong. What I meant to say is that it is generally accepted that the load spreads horizontally from a single edge of a strip footing at a rate of 2V:1H...

In general the stress distribution below a footing spreads laterally at a 2V:1H ratio. I know that if the footing was resting on a soft layer of soil overlying a stiffer soil layer that the lateral spread would be greater than the 2V:1H generalization. Can anyone provide some numbers to the...

Yes, We were considering sheet piling from the beginning. It is the thick layer of silt that has us concerned. MS

Thanks for the advice, No one expected to hit the thick layer of silt, so it definitely throws a monkey wrench into the workings. If the jetty is to work as desired, it needs near vertical walls. I'll will try a duplicate post on the coastal engineering forum. I could use all the advice and...

Thank you for the suggestion. The client has the permission for the jetty--others are not being impacted. The finished product should be a stable jetty with near vertical sides and a paved top. The idea was to use the area enclosed by the jetty as a sort of settlement basin. A backhoe can...

Sorry, The Previous thread is thread256-205539 MS

I posted this question previously and received one comment. I am posting it a second time in case it has been overlooked or forgotten. I am looking for suggestions for a foundation for a jetty extending out perpendicularly from the shore 100 feet into a lake. There is a small stream of...

I only convert it for seismic analysis in border line strata where accuracy matters.

I have more details of the proposed jetty. It is to be about 50 to 100 feet in length and 20 feet wide. It is proposed to have concrete blocks along the sides and front. The blocks are 2 x 3 x 4 feet and made from concrete. The jetty will extend about 2 feet above the surface of the water...

Sorry! The question was poorly worded. The jetty would simply extend out into the lake perpendicular to the shore. The stream is a very small drainage system and does not intersect it and is about 300 feet away. At the worse case scenario it may cause very slight water turbulence near the...

I would like suggestions on the foundation for a jetty extending 50 to 150 feet out into a lake. The lake bottom is located at a depth of approximately 9 feet. The lake bottom subsurface is comprised of a 20 feet thick layer of very loose organic silt underlain by medium dense sand and...