Marshall Stability and Compaction

Product Description

Marshall Stability and Compaction

Originally developed by Bruce Marshall, a highway engineer in U.S.A later on standardized by ASTM. Generally the test is applicable to hot mix designs using bitumen and aggregates up to a maximum size of 25 mm.

In this method the resistance to plastic deformation of cylindrical specimen of bituminous mixture is measured when the same is loaded at

periphery at 5 cm per min. This test procedure is used in designing and evaluating bituminous paving mixes. The test procedure is extensively used in routine test programmer for paving jobs There are two major features of the Marshall method of designing mixes namely.

•     Density voids analysis
•     Stability flow tests.

•     1 No. Compaction pedestal with specimen mould holder.
•     2 Nos. Compaction Rammers, 4.5 kg weight and free fall 45.7 cm.
•     1 No. Breaking head assembly with provision to fix flow meter.
•     3 No. Specimen mould 10.16 cm I.D. x 7.6 cm high with base plate and extension collar.
•     1 No. Kit for specimen extraction, consists of one each load transfer bar, steel ball, specimen exacting plate.
•     Flow meter (dial gauge) grasuated 0.01 mm x 25 mm travel.
•     Fitted with a stem brake unit to indicate maximum deflection Complete as above.

Accessories :-

High sensitivity proving Ring 2500 kg capacity fitted with 0.002 mm dial gauge and our own test certificate. Complete in a nice wooden carrying case.