Astm D338518 Pdf Jun 2026

: Water is maintained at a fixed level in both the inner and outer rings.

While ASTM D3385-18 provides a valuable tool for evaluating geotextiles, there are challenges and limitations, including variability in testing results and the influence of test conditions on the measured pore size distribution. Additionally, field performance can sometimes differ from laboratory results due to installation conditions, soil properties, and long-term degradation.

Repeat the process for the inner ring, driving it to the same depth. Step 3: Pre-Wetting and Setup Place splash guards on the soil surface inside both rings. astm d338518 pdf

The standard emphasizes the importance of verifying all equipment before use. This includes calibrating water-level measurement devices and ensuring the infiltrometer rings are free of any warping or damage that could compromise test results.

To establish a steady-state infiltration velocity under a constant or falling hydraulic head. : Water is maintained at a fixed level

To comply with ASTM D3385-18, specific equipment dimensions and materials must be used. 1. The Rings

: The test cannot be executed if the target surface falls below the local unconfined groundwater table or a perched water table. Repeat the process for the inner ring, driving

The PDF can be purchased and downloaded directly from the ASTM International Website.

Acts as a buffer zone. It promotes purely vertical water flow beneath the inner ring by saturating the surrounding soil profile.

IHS Markit, Techstreet, and ANSI stores provide legitimate, downloadable PDF copies of the active standard.