Explore the Engineering Database more efficiently by signing up for free. Sign up free
R-221 — Soil
- Material Id
- Soil
- Record Id
- 221
- Date
- 11/13/1940
- Delta X (in)
- 1.499
- Density (lb/ft3)
- 119
- Description
- Plain Soil and clay, Rammed Earth Series
- Form
- Loose
- K W Mk (W/mK)
- 6.33
- Material
- Soil
- Mean Temp (F)
- 88.9
- R Value per Inch (ft2hF/BTU/in)
- 0.022785
- Rsi per Inch (m2K/W/in)
- 0.004013
- Standard
- Nist Srd 81 API
Source: NIST SRD 81 API