Having B.Tech with 9+ years of experience in Civil Engineering with the industry experience of Quality
Control Laboratory as well as in major projects such as Highways(Nh-11 Sikar bypass to Bikaner bypass Rajasthan 267 km And 47.5km 4 lane project Nh-151 A ), Railways( Track work for Dual line 626km Rewari to Iqbalgarh WDFC Project), High rise buildings, Railway Over Bridges & etc.
Hi,
i am Hariom Singh
Company experience 1. L&T Construction Ecc Devision
2. GR LTD.
3. Monte Carlo LTD.
This is Vedio About- Bitumen Content Test ( Extraction Test of bituminous Concrete mix)
Code References
IRC: SP 11 -1988 (Appendix - 5)
ASTM D 2172
1.Take exactly 1250 grams Approximetly of the representative sample and place it in the bowl of the extraction apparatus (W1).
Add benzene to the sample until it is completely submerged.
2.Dry and weigh the filter paper and place it over the bowl of the extraction apparatus containing the sample (B).
Clamp the cover of the bowl tightly.
3.Place a beaker under the drainpipe to collect the extract.
Sufficient time (not more than an hour) is allowed for the solvent to disintegrate the sample before running the centrifuge.
4.Run the centrifuge slowly and then gradually increase the speed to a maximum of 3600 rpm.
Maintain the same speed till the solvent ceases to flow from the drainpipe.
5.Run the centrifuge until the bitumen and benzene are drained out completely.
Stop the machine, remove the cover and add 200ml of benzene to the material in the extraction bowl and the extraction is done in the same process as described above.
6.Repeat the same process not less than three times till the extraction is clear and not darker than a light straw color.
7.Collect the material from the bowl of the extraction machine along with the filter paper and dry it to constant weight in the oven at a temperature of 105 C to 110 C and cool to room temperature.
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