Determination of penetration value of bitumen
WebThe SP values obtained were used to compute the various penetration indices and to predict the grade of bitumen. The SP results for AB, IB, LB and OB are 30, 48, 48.10 and 38.10 °C respectively while that of PI results are-3.8, -1.3, -1.1, and -1.6 respectively. The bitumen grades predicted for the four locations are: temperature WebJan 10, 2024 · DETERMINATION OF PENETRATION OF BITUMEN 4. INTRODUCTION: The penetration test is an empirical test used to measure the consistency of bitumen. 5. AIM OF THE PENETRATION TEST: 1. To find out the hardness or softness of bitumen. 2. To determine the consistency of bituminous material. 3. To determine the grade of …
Determination of penetration value of bitumen
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WebThe softening point test used to determine the melting point in which the bitumen reaches the viscosity (semi-liquid form). ... Average Penetration value: The recommended softening point bitumen as per IS code 73 … WebThe current study investigated the effect of calcium lignosulfonate (CLS) at four quantities (i.e., 5%, 10%, 15%, and 20% by the weight of base bitumen) as an antiaging bitumen …
WebThe bitumen penetration test is a useful way of grading bitumen for better application. This test leads to the classification of bitumen based on the level of stiffness. Various bitumen pen grades are 40/50, 60/70, 80/100, and 85/100.To choose among various grades of bitumen penetration, many factors should be taken into account, including, … WebIn the third revision in 2006 grading of bitumen was changed from penetration grade to viscosity grade. The ... the range of viscosity values and minimum penetration value at …
WebMay 27, 2024 · Compaction is the most critical stage during pavement construction, but the real-time rheological behavior in the compaction process of hot mix asphalt has not received enough attention. Rheological properties directly reflect the of mixture performance, the intrinsic directly reflects the influencing factors of compaction, and the pavement … WebThe penetration test is widely used to characterize bitumens and also to define bitumen grade in many countries. The combined use of near-infrared (NIR) spectroscopy and …
WebThe PI values calculated from penetration value and softening point indicate the temperature susceptibility of bitumen. It can be observed that the PI value of 60/70 grade bitumen is -0.15 whereas ...
greene maine post officeWeb2 days ago · For low range values, it has measurement range from -7o to 110 oC and readable upto 0.5 oC. For expected higher values of flash and fire point, thermometer having a range of 90o to 370o and readable to 2 oC should be used. Also read: Penetration test of bitumen and uses for Road construction. Procedure. For Bitumen Other than … greene maine post office phone numberWebApparatus for Softening Point Test. 1. The ring and ball apparatus consisting of: Steel balls-two numbers each of 9.5 mm diameter weighing 3.5 ± 0.05 g. Brass rings-two numbers each having depth of 6.4 mm. The inside diameter at bottom and top is 15.9mm and 17.5 mm respectively. Ball guides to guide the movement of steel balls centrally. greene maine property cardWebPenetration test for bitumen. ... determination, leaving the needle in the sample on completion of each ... The value of penetration reported shall be the mean of not less … flughafen amsterdam schiphol planWebYour team is required to take few samples of bitumen to the laboratory and to determine Penetration value of the sample using the penetration test. Apparatus WAYS & MEANS 1. Bitumen sample 2. Penetration cup 3. Water bath (maintain at 25° C± 0.1° C) 4. Penetrometer 5. needle Procedures 1. flughafen amsterdam schiphol lageplanWebJan 1, 2000 · The current study investigated the effect of calcium lignosulfonate (CLS) at four quantities (i.e., 5%, 10%, 15%, and 20% by the weight of base bitumen) as an antiaging bitumen additive on ... flughafen ancona ankunftWebRedirecting... greene maine public library