ASTM C 29 - Unit Weight of an Aggregate ASTM C 29 Tim Boyer...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Unit Weight of an Aggregate ASTM C 29 Tim Boyer CM 442 Pre-L ab Purpose The purpose is to provide a standard method of determining a unit weight or density of an aggregate and using that measurement of voids in different aggregates to help in determination of which aggregate to use in a given situation. Equipment Balance – accurate within 0.1% of the test load Tamping Rod – round, straight rod, 3/8in. in diameter, approx. 24in. in length, rounded ends Cylindrical metal measure – watertight, 80%-150% diameter relative to the height, smooth interior Shovel or Scoop Calibration Equipment – plate glass, ¼ in. thick, 1 in. greater that measure diameter Procedure Reduce the sample size according to C 702 down to about 125-200% needed to fill the measure. Dry the aggregate, preferably in oven at 230F. Calibrate the measure if necessary to find the volume. Rodding Procedure Fill the measure about 1/3 full....
View Full Document

This note was uploaded on 04/29/2008 for the course CE 320 taught by Professor Mckinney during the Spring '08 term at Rose-Hulman.

Page1 / 3

ASTM C 29 - Unit Weight of an Aggregate ASTM C 29 Tim Boyer...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online