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2-American Society For Testing and Material

The document outlines the rectification of a black spot on NH-44 in Jammu and Kashmir, detailing the materials used, their sources, and proportions. It includes test results for bitumen and aggregates, confirming compliance with specified limits. The project is overseen by the National Highway Authority of India and executed by M/S DMR Builders Private Limited.

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S R SINGH
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0% found this document useful (0 votes)
14 views2 pages

2-American Society For Testing and Material

The document outlines the rectification of a black spot on NH-44 in Jammu and Kashmir, detailing the materials used, their sources, and proportions. It includes test results for bitumen and aggregates, confirming compliance with specified limits. The project is overseen by the National Highway Authority of India and executed by M/S DMR Builders Private Limited.

Uploaded by

S R SINGH
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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AN ISO 9001-2015.

ISO 17025 CERTIFIED COMPANY

Member of:-1-Canada’s Society of Petroleum and hydro Energy Geoscientist,


2- American Society for Testing and Material.
3- IPMS INDIA
4- American Society of Geology.
Rectification of MoRTH Idintified Black Spot No JK-02-023 (SIDCO) at KM 69 +135 TO 69+980 on NH -44 By taking
Longer Term Measures In the UT of Jammu and Kashmir.

Authority NHAI( National Highway Authority of India.


Authority Engineer

EPC Contractor M/S DMR BUILDERS Private Limited

I. Source and Location of all materials :


Sl. No. Type of Material Source of Material
1 Binder : VG-40
2 Aggregate : Coarse & Fine Aggregate Deyal Chak Quarry
II. Proportions of all the Materials :
Sl. No. Type of Material % of Materials
1 Binder : VG-40 5.50%
2 16-7.0 MM 35%
3 7.0-4.0 MM 18%
4 4.0 MM Down 45%
5 Filler 2%
AVERAGE PERCENTAGE PASSING Achieved
Specification Limits
Combined JMF Limits
I.S. Sieve (As per MORTH Clause
Gradation
Designation in mm Below Filler 507,Table-500-17,
16-7.0mm 7.0-4.0mm (35:18:45: Grading-II)
4.0mm (lime)
2) LL-UL
19.00 100 100 100 100 100 100 100
13.20 85.35 100 100 100 94.87 90-100 90-100
9.50 38.75 100.00 100 100 78.56 73-85 70-88
4.75 9.66 75.56 100.00 100 63.98 59-69 53-71
2.36 4.39 35.39 91.63 100 51.14 47-55 42-58
1.18 0.00 6.75 78.47 100.00 38.53 35-43 34-48
0.60 0.00 3.57 63.88 100.00 31.39 27-35 26-38
0.30 0.00 0.71 46.18 97.22 22.86 20-26 18-28
0.15 0.00 0.00 30.82 96.47 15.80 13-19 12-20
0.075 0.00 0.00 11.38 87.17 6.87 5.0-8.0 4-10
III. The test results enumerated as per MoRT&H :

Sl. No. Description Test Results (OBC) Specification / Limits

1 Bitumen Content (% ) 5.50% Min - 5.50%


2 Marshall Density (gm/cc) 2.336/2.441 ---
3 Marshall Stability (600) 1340 Kgf/13.14 KN Min 9.0 KN
4 Marshall Flow (mm) 2.60 2-4 mm
75 blows on each face of
5 Compaction level (number of blows) 75 blows on each face of specimen
specimen
6 Percent Air Voids in Mix (Va) (%) 4.30 3-5
7 Voids in Mineral Aggregates (VMA) (%) 16.80 Min. 12.0
Voids in Mineral Agg. filled with Bitumen (VFB)
8 74.40 65-75
(%)
9 % of AntiStripping Agent of Binder Content 0.06% ---

IV. The results of physical characteristics of aggregates


A : AGGREGATE

Sl. No. Description Test Results Requirements

1 Aggregate Impact Value (%) 12.56% Max. 24 %


Combined Flakiness &
2 27.94% Max. 35 %
Elongation Indices (%)
3 Stripping Value >100 % Retained Coating Min. 95%

Tested /Prepred Checked/approved Authority/Authority Representative


V. The results of physical characteristics of aggregates
Bulk Specific Gravity of Apparent Specific
Description % of Fractions Water Absorption (%)
Fractions Gravity of Fractions

16-7.0 MM 35.0% 2.684 2.739 0.76

7.0-4.0 MM 18.0% 2.655 2.721 0.91

4.0 MM Down 45.0% 2.652 2.756 1.42

Filler 2.0% 2.220 2.220 -

B- BITUMEN : VG-40
Sl. No. Characterisitcs Method of Test Results Requirements as per IS-73 (2013)

1 °
Absolute Viscosity @60 c, Poises IS 1206 3342.0 2400-3600

O
Penetration at 25 C, 100 gm,
2 IS 1203 50 mm 45 mm
5 sec, Minimum
O
3 Softening Point, C, Minimum IS 1205 50.1⁰ C 47⁰ C

4 Specific Gravity IS 1202 1.020 -

VI. Mixing temperature and compacting temperature for VG-40 Bitumen


Sl. No. Stage of Work Indicater Temparature (0C)

1 Bitumen Temperature 150-165

2 Aggregate Temperature 150-170

3 Mixed Temperature 150-165

4 Laying Temperature 140 min

5 Rolling Temperature 90 min

Tested /Prepared Checked/approved Authority/Authority Representative

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