Objective Determination of water content and dry density relation of soil using light compaction. Apparatus • Cylindrical mould of 100mm diameter & accessories [volume = 1000 c.c.] • Rammer [2.6 kg] • Balance [(a) 10kg capacity & 1g accuracy (b) 200gm capacity & 0.01gm accuracy for moisture content calculation] • Sieves [19mm & 4.75mm IS …
Hammers Proving ring apparatus Surcharge Dial gauges Apparatus for CBR testing method Objective Determination of CBR value for soil samples under standard test procedure. Apparatus Compression machine i. Mould of 150mm dia and 175mm height with base plate, stay rod and wing nut ii. Collar of 50mm height, detachable perforated base iii. Spacer disc iv. …
LABORATORY DETERMINATION OF CBR VALUE OF SOIL (AS PER IS-2720-PART-16-1987) Read More »
DISCUSSION ON GRAIN SIZE ANALYSIS OF SOIL The commonly used properties for the classification are the grain size distribution, liquid limit and plasticity index. Those properties have also been used in empirical design methods for flexible pavements and in deciding the suitability of sub grade soil. The results of the test are of great value …
Test Importance In all bituminous works bitumen is required to be heated up to a definite temperature, so that the specific grade of bitumen may reach at its proper viscosity label, so that it can be mixed correctly with the aggregates to get a homogenous mix. Definition of Kinematic Viscosity It may be defined as …
DETERMINATION OF ABSOLUTE VISCOSITY Importance In all bituminous works bitumen is required to be heated up to a definite temperature, so that the specific grade of bitumen may reach at its proper viscosity label, so that it can be mixed correctly with the aggregates to get a homogenous mix. Definition of Absolute or Dynamic Viscosity …
FWD VS BBD Previously Benkleman beam method is used to design overlay of any overloaded road section. But this method had some limitations. Benkleman beam method used to measure of deflection of road under static load condition which is totally opposed to actual dynamic wheel load. It is generally adopted for low specification bituminous layer …
Function of Asphalt Paver Finisher The basic function of a paver is to spread the bituminous mix on the existing surface in a uniform layer, at pre-determined width to the specified thickness or level and to required smoothness, all prepared for final compaction. Despite the fact that the trendy pavers are attending to increasingly subtle, …
