Determination of softening point of bitumen
Webbefore its applications in road uses. The determination of softening point helps to know the temperature up to which a bituminous binder should be heated for various road use applications. Softening point is determined by ring and ball apparatus. APPARATUS: 1) Steel balls-two numbers each of 9.5 mm dia. and weighing 0.05g. 2) Brass rings-two ... WebProcedure of Ductility Test on Bitumen. Melt the bituminous test material completely at a temperature of 75°C to 100° C above the approximate softening point until it becomes thoroughly fluid. Strain the fluid through …
Determination of softening point of bitumen
Did you know?
WebDetermination of Penetration Value of Bitumen Apparatus for Penetration Test ... Soften the material to a pouring consistency at a temperature not more than 60°C for tars and 90°C for bitumen above the approximate … WebJan 1, 2015 · BITUMEN AND BITUMINOUS BINDERS - DETERMINATION OF THE SOFTENING POINT - RING AND BALL METHOD. Available format (s): Hardcopy, PDF. Language (s): English. Published date: 01-01-2015. Publisher: British Standards Institution.
WebFor this reason, the determination of 'softening point' must be made by a fixed, arbitrary and closely defined method if results are to be comparable. Being very simple in concept and equipment, the Ring-and-Ball Test has remained a valuable consistency test for control in refining operations, particularly in the production of air-blown bitumens. Websoftening point Bitumens are viscoelastic materials without sharply defined melting points; they gradually become softer and less viscous as the temperature rises. The softening …
WebDec 20, 2024 · Basic empirical tests include the softening point and penetration, but the practice shows that these tests appear to be inadequate. The evaluation of changes of bitumen properties during the... WebThe softening point is calculated as the average of the temperatures at which the two discs soften sufficiently for each bitumen-encased ball to fall 25 mm. 2 OBJECTIVE To determine the softening point of bitumen within the range 30 to 157 °C by means of the Ring-and-Ball apparatus. 3 APPARATUS 1. Ball and ring test apparatus 5 FORM AND ...
WebThe softening point evaluates bitumen hardness characteristics, and. Table 3. The basic properties of bitumen and coal tar pitch. Figure 3. The correlation between penetration and ductility on the addition rate of coal tar pitch. ... Physico-mechanical determination is insufficient to evaluate the characteristics of bitumen. Therefore, chemical ...
Web2.5.3 Softening Point Test 24 2.6 Bitumen Modification 25 2.6.1 Criteria of Improvement 25 ... bitumen viscosity at certain key point during the manufacture and lay of mixture, ... needs on understanding the viscosity for determination of mixing and compacting philippines in 2002WebTo determine the softening point of the bitumen specimen as per the IS code 1205. Apparatus Required Thermometer – To measure up to 120°c and an accuracy of 0.5°c. trump\u0027s missing phone callsWebSoftening point denotes the temperature at which the bitumen soften. In this video ,we will discuss how to determine the test as per IS 1205. Show more Show more trump\u0027s missing phone logsWebApr 13, 2024 · The softening point of bitumen is usually determined by Ring and Ball test. The concept of softening point test and the test set-up is shown in the following figure. … trump\u0027s military serviceWebDec 10, 2024 · EN Laboratory tests result in proposals on measurement Discusses waterproofing of a compensation basin in the Swiss Alps. Three areas with open joints and cracks in the bituminous linings, each... philippines in 2050WebView Softening Point.docx from CE 443 at Yarmouk University. Yarmouk University Al-Hijjawi Faculty for Engineering Technology Civil Engineering Department Materials of Construction Laboratory CE philippines in 1991WebThe softening point is defined as the mean of the temperatures at which the bitumen disks soften and sag downwards a distance of 25 mm under the weight of a steel ball. SCOPE & SIGNIFICANCE: 1- This method is … philippines in 2007