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