WebJan 1, 2009 · The pinhole test, originally developed by Sherard et al. in 1976 is an empirical test based on the qualitative evaluation of the dispersibility (colloidal erodibility) of … WebSep 18, 2014 · AS 1289.3.8.3:2014. Current. Add to Watchlist. Methods of testing soils for engineering purposes Soil classification tests - Dispersion - Determination of pinhole …
Pin Hole Dispersion Apparatus for Soil Testing - Humboldt Mfg
WebJun 7, 2024 · Evaluation of erosion characteristics of soils using the pinhole test Introduction. The erosion of soils caused serious engineering problems of structures (i.e., … WebThe test chamber has a unique clamping ring for holding the stainless steel mold to the base while compacting the sample. Included with the chamber are screens, base stand, constant head reservoir, tubing, connections, pipette and a tool for drilling the pinhole. The end cap has a pilot hole for drilling the 1.0mm (.040") hole through the sample. bubbles and bows gulfport
Methods for assessment and identification of dispersive soils
WebDec 31, 2010 · Standard Test Method for Identification and Classification of Dispersive Clay Soils by the Pinhole Test $ 76.00 In stock Scope. 1.1 This test method presents a direct, qualitative measurement of the dispersibility and consequent colloidal erodibility of clay soils by causing water to flow through a small hole punched in a specimen. This test ... WebJun 26, 2024 · The pinhole test provides a direct qualitative measurement of the dispersibility or deflocculation and consequent erodibility of clay soils as stated in ASTM standard D4647-93 [ 29 ]. There were seven 33 mm diameter, 25 mm height specimens tested in the pinhole test for which their properties are summarised in Table 2. WebD4647 Test Method for Identification and Classification of 1.3 This test method is similar to Test Method D422, except Dispersive Clay Soils by the Pinhole Test that this method covers the determination of percent of soil D4753 Guide for Evaluating, Selecting, and Specifying particles smaller than 5-µm in diameter in a soil-water suspen ... expo logistics bv