lab 4 soil and highway UMP ht faculty of civil engineering earth resources highway and traffic laboratory subject code baa 3941 subject name engineering lab. iv
بیشتر1. 0 OBJECTIVE. To introduce the student to a method of testing to determine the softening point of bituminous binder by ring and ball method. 2.0 THEORY The softening point is the temperature at which a material softens beyond some arbitrary softness which the ring and ball test is used to determine the softening point of bitumen (in this experiment), asphalt and coal tar.
بیشترThe test gives an idea of the temperature at which the bituminous materials attain a certain viscosity. Bitumen with higher softening point may be preferred in warmer places. The softening point should be higher than the hottest day temperature, which is anticipated in that. area otherwise bitumen may sufficiently soften and result in bleeding ...
بیشترsoftening point Bitumens are viscoelastic materials without sharply defined melting points; they gradually become softer and less viscous as the temperature rises. The softening point of bitumen can be determined through the use of a ring-and-ball apparatus immersed in distilled water (30 to 80°C) or USP glycerin (above 80 to 157°C).
بیشترThe penetration test is performed to determine the penetrate value of the bitumen and a softening point test is conducted to determine the viscosity point of the bitumen. The flash and fire point test is performed on a particular bitumen grade to identify the safe temperature of bitumen for reliable work.
بیشترHence, The average value of the two temperatures of both balls is the softening point of bitumen. So, in this way Softening point test of bitumen is performed. IS 73 has specified different criteria so, code should be followed before application of bitumen for specified load. Report of test. Temperature for ball (A) = 46 degree centigrade.
بیشترthe softening point. This temperature is to be used in conjunction with the penetration value to obtain the Penetration Index (PI). DISCUSSION (a) Report the source and type of bitumen. (b) Report the bath liquid used in the test and quote the mean softening point …
بیشترSoftening point test of bitumen is done to determine the consistency of bitumen. This test gives an idea of the temperature at which the bitumen attain certain viscosity. Softening point is defined as the temperature at which bitumen softens beyond some arbitrary softness i.e. bitumen softens and sags down about 25mm below the weight of steel ball.
بیشتر• Important – Direct tensile test (for low temperature cracking), fracture toughness test (for low temperature cracking), bitumen fatigue test (for fatigue) and relationship with site data (for adhesion). • Desirable – Creep ZSV/repeated creep tests (for deformation resistance), DSR
بیشتر1.1 This test method covers the determination of the softening point of bitumen in the range from 30 to 157 °C [86 to 315 °F] using the ring-and-ball apparatus immersed in distilled water [30 to 80 °C] or USP glycerin (above 80 to 157 °C).
بیشترThis test is done to determine the softening point of asphaltic bitumen and fluxed native asphalt, road tar, coal tar pitch and blown type bitumen as per IS: 1205 – 1978. The principle behind this test is that softening point is the temperature at which the substance attains a particular degree of softening under specified condition of the test.
بیشتر1. slump cone test 2. flow table 3. compaction factor 4. vee bee test test on hardened concrete 1. compressive strength – cube & cylinder 2. flexture test 3. modulus of elastics test on bitumen 1. penetration 2. softening point 3. ductility 4. viscosity 5. elastic recovery 6. storage stability test on aggregates 1. stripping 2. soundness 3 ...
بیشترThe softening point value is particular significance for material which are to be used as thick films, such as joint and crack filler and roofing materials. Research has shown that, for conventional pacing grade bitumen, the ring and ball softening point temperature is the same as that which would give a penetration of 800 d-mm.
بیشتر(200°F) above the expected softening point of the asphalt. 8.1.2 Take no more than 30 min to heat a coal-tar pitch sample to its pouring temperature; in no case shall this be more than 55°C (100°F) above the expected softening point of the coal-tar-pitch. 8.1.3 If …
بیشترThe softening point is useful in the classification of bitumen. The ring and ball softening point test involves heating two small samples of the bitumen in a container of water. The ring is immersed to a depth such that its bottom is exactly 25mm (1 inch) above the bottom of the bath. The temperature of the bath is then gradually increased ...
بیشترThe softening point is defined as the temperature at which the resin flows under a given load on heating. Several standard methods have been proposed to determine the softening point of resins. (1) Ring and Ball method (R&B) — ASTM D 3461-76, DIN ISO 4625. This method is the most frequently used to determine the softening point of resins.
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بیشترFor a bitumen of a given penetration (determined. at 250C), the higher the softening point the lower the temperature sensitivity. This test is done to determine the softening point of asphaltic bitumen and fluxed native asphalt, road tar, coal tar pitch and blown type …
بیشترSOFTENING POINT TEST OF BITUMEN STANDARD: I.S. 1205-1978 (RA 2008) This standard covers the method for the determination of softening point of asphaltic bitumen and fluxed native asphalt, road tar, coal tar pitch and blown type bitumen. DEFINITION Softening point is the temperature at which the substance attains a
بیشترAASHTO T 53: Standard Method of Test for Softening Point of Bitumen (Ring-and-Ball Apparatus) pdf Download File Size 760.49 KB. Year 2013. Number of Pages 4. Publisher AASHTO. Description AASHTO T 53-09 is identical to ASTM D 36-06 except as noted …
بیشترAASHTO T 53: Standard Method of Test for Softening Point of Bitumen (Ring-and-Ball Apparatus) pdf Download File Size 760.49 KB. Year 2013. Number of Pages 4. Publisher AASHTO. Description AASHTO T 53-09 is identical to ASTM D 36-06 except as noted in this document.
بیشترObserve the thermometer carefully and when the temperature is 17 o C below the actual flash point (175 O C) lit up the test flame. Softening Point of Bitumen Lab Report. The softening point value of the two readings should not exceed 1.0 °C for the softening point of bitumen range 40-60 °C and 1.5 °C for the softening point between 61-80 °C ...
بیشترductilità di bitumen, the amount with which bitumen is determined at a temperature lower than the softening point. Meaning of the test of the ductilità del Bitume: the test of the ductilità of the Bitumen sample is one of the main bitumen tests to be conducted in front of the construction of the road.
بیشترSignificance of Penetration Test. The penetration test is carried out to classify bitumens into different grades. In BS (UK) literature, the ranges start from 15 (hardest bitumen) to 450 units (softest Bitumen). in India, bitumen's are available with penetration values varying from 20 to 450.
بیشتر10. penetration and softening point values are obtained from the same batch of 11. bitumen). 12. Compile and compare results with other groups. CONCLUSION The mixing temperature of bitumen is vital to determine the well mixing of the bitumen with the aggregate. Temperature affects the viscosity of bitumen, low temperature will result
بیشترSoftening Point Test Of Bitumen As Per IS: 1205-1978 » Civil … – Softening Point Of Bitumen Lab Report is free lab report sample. This chart was upload at October 11, 2020 upload by Admin in Lab Report Sample. Softening Point Test Of Bitumen As Per IS: 1205-1978 » Civil ...
بیشترEXPERIMENT NO. 12 SOFTENING POINT OF BITUMEN (RING-AND-BALL APPARATUS). [ASTM Designation: D 36-76, AASHTO Designation: T 53-89]SOFTENING POINT: Softening Point of Bitumen. The 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.
بیشترProcedure for Softening Point Test on Bitumen 1. Preparation of test sample Heat the material to a temperature between 75-100° C above its softening point; stir until, it is completely fluid and free from air bubbles and water. If necessary, filter it through IS sieve 30. Place the rings previously heated to a temperature approximating to that of the molten material, on a metal plate which ...
بیشترtest is 1208 1978, 9 test to check quality of bitumen for use in road work, determintion of ductility standard is 208 1978, ductility testing equipment humboldt mfg, experiment 10 penetration and viscosity tests on bitumen, lab manual vvitengineering, ring ball …
بیشترSoftening point test, it will be conducted as per standard in ASTM D5. However, for Penetration test, there will be three different temperature of bitumen that will be test; 25°C, 35°C and 45°C. The laboratory aging test will be conducted by using Rolling thin film oven (RTFO) test that simulates short term aging and Pressure Air Vessel (PAV)
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