
Having a hard time telling what's a lean/fat clay, silt, or sand ...
2020年6月18日 · Finally, the difference between a lean and fat clay tends to be from how workable it is when you add water. If you keep adding water and its still like play-doh, its a fat clay. If you add water and it starts turning to soup, its a lean clay.
What is the difference between high and low plasticity in soils?
2014年1月21日 · Are you talking about soils in general or clay? The easiest way to tell if it is a high plasticity soil is to start with a soil that is a little too wet. Roll it into a snake a few times and your body heat/motion will pull moisture out of it. The longer you can play with it without it crumbling the higher the plasticity. If you want to know …
How do you identify Silty CLAY vs Clayey SILT on the field ... - Reddit
2021年4月1日 · In the USCS there is only Silty CLAY (ML-CL). This material has a low liquid limit and a PI of 4 to 7. You identify the soil as a whole based on grain size and atterberg limits. Using a hydrometer you can break up the difference between clay and silt, which is used in the usda classification chart.
Why is fat clay so named? : r/geology - Reddit
2024年1月9日 · Not all clay swells up by adding water to it. But those clays that do are generally called fat clay. The swelling is a chemical reaction with water that can be mitigated somewhat by mixing a lime slurry or cement into it.
Process of soil identification in the field (USCS) - Reddit
2018年9月27日 · Process of soil identification in the field (USCS) Hello, I wanted to ask this group how YOU personally identify your soils in the field. How do you decide whether one is a fat clay + modifiers, a lean clay + modifiers, etc.
Retaining Wall Design Questions. : r/civilengineering - Reddit
2014年2月25日 · Retaining Wall Design Questions. I am designing a retaining wall for my class project and I have a few questions. 1.) The soil has no friction angle, Su=1250 psf, and is a fat clay. The book I'm using (Coduto, 2nd Edition) does not seem to provide a design method for a soil with a zero friction angle.
A struggling newbie's questions : r/VintageStory - Reddit
2022年9月24日 · Unfortunately surviving the long term is rediculously easy when you get the hang of it. 3-4x Flint spears, a bighorn takes 4 i think, and a boar takes 3 (thrown) butcher them, grab the meat and SAVE THE FAT get clay and make a cooking pot, 4x …
Clean excavator dig : r/oddlysatisfying - Reddit
2023年11月8日 · If you add "-wrap" to the search for "anaerobic fat clay" you get good results. Apparently the pseudo science is all about wrapping yourself in clay to suck the fat out of whatever 🙄 Reply reply more repliesMore replies n1tsuj3 •
Question: sponge like clay under new driveway : r/Concrete - Reddit
2022年10月15日 · It sounds like it could be a fat clay with excess water that is making it pump. I could be wrong, but all the following ideas are for a fat clay: If it’s fat clay usually you have to remove a minimum of 2 feet. You can remove all and replace with non expansive soil, or place geogrid down before you place your aggregate base.
Are gutters really necessary? : r/Roofing - Reddit
These clays expand when moist and shrink when dry, so removing a large amount of water from entering the ground on the property can dry out the fat clay deposits under a section of the home and cause differential settlement. The proper fix for this problem is to install helical piles that extend below the fat clays.