Welcome to Shanghai Changji Geological Instrument Co., Ltd
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Address:No.528 Taiyun Road, Anting Industrial Park, Shanghai, China
Email:sales@shangyi.net
Web:www.shangyi.net
Tel:+ 86-400 8038979
+ 86-21-59501312
+86-19945619861
The main content:
I.Asphalt Laboratory Basic Detectability Requirements and Main Equipments
II.Shanghai Changji’s Recommended Asphalt Equipments
III.Asphalt Laboratory Design Scheme
IV.A Part of Changji’s Asphalt Laboratory Projects Pictures
V. A Part of Changji’s Successful Projects List
VI.Shanghai Changji History Development
I.Asphalt Laboratory Basic Detectability Requirements and Main Equipments
No. |
Test Item |
Main Test Parameters |
Main Test Equipments |
1 |
Bitumen |
1.Density,2.Needle penetration,3.Penetration index,4.Ductility,5.Softening point,6.Solubility,7.Thin film heating test(Quality change,Residue penetration ratio,Softening point increment,9.60℃ viscosity ratio,Aging index),8.Rotary thin film test(Quality change,Residue penetration ratio, 60℃ viscosity ratio, Softening point increment),9.Flash point,10.Fire point,11.Wax content,12.Adhesion of coarse aggregate,13.Kinematic viscosity,14.Dynamic viscosity,15.Standard viscosity,16.Engler viscosity,17.Brookfield rotational viscosity,18.Asphalt chemical constituents(four components),19.Tenacity,20.Toughness,21.Bending creep stiffness test,22.Rheological property(Dynamic shear modulus,Phase angle),23.Fracture property(Failure strain,Breakdown stress),24.Pressure aging container accelerates asphalt aging(Aging time,Aging temperature),25.Performance evaluation of asphalt anti-stripping agent(Asphalt and coarse aggregate adhesiveness,Soaking residual stability, Frozenthawed splitting tensile strength ratio),(1).Emulsified asphalt:1.Evaporated residue content,2.Residuum on sieve,3.Particle ionic charge,4.Adhesiveness to coarse aggregate,5.Storage stability,6.Mixing test with cement(Residuum content on sieve),7.Demulsification speed,8.Mixing test with mineral aggregate.(2).Polymer Modified Asphalt:1.Storage stability(Liquate or 48h softening point difference),2.Elastic recovery rate |
1.Asphalt pycnometer,2.Scales,3.Thermostatic water bath,4.Penetrometer,5.Ductility machine,6.Softening point tester,7.Oven,8.Thin film heating oven,9.Rotary thin film oven,10.Cleveland Open Cup Flash Point Tester,11.Wax content tester,12.Standard sieve,13.Capillary viscometer,14.Vacuum pressure capillary viscometer,15.Vacuum decompression system,16.Pavement asphalt standard viscometer,17.Engler viscometer,18.Brookfield viscometer,19.Filter sieve(1.18mm),20.Emulsified asphalt particle ionic charge testing apparatus,21.Asphalt emulsion stability test tube,22.Refrigerator,23.Asphaltene extractor,24.High temperature furnace,25.Tenacity tester,26.Bending beam rheometer,27.Dynamic shear rheometer,28.Direct stretch tester,29.Pressure aging vessel
|
2 |
Asphalt Mixture |
1.Mix proportion design,2.Density,3.Voidage,4.Mineral aggregate voids,5.Saturability,6.Marshall stability,7.Flow value,8.Theoretical maximum relative density,9.Dynamic stability,10.Asphalt content,11.Mineral aggregate gradation,12.Water permeability coefficient,13.Bending test(Bending tensile strength,Maximum bending strain,Bending stiffness modulus),14.Frozenthawed splitting tensile strength ratio,15.Cherenburg asphalt leakage loss,16.Cantabro flying loss,(1).Slurry mixture:1.Consistence,2.Wear value,3.Demulsification time,4.Cohesion,5.Adhesion sand amount,6.Wheel track deformation(Width deformation rate,Wheel track depth),7.Mixing and stirring test(Mixable time),8.Compatibility level,(2).Lignin fibre:1.Length,2.pH value,3.Ash content,4.Oil absorption,5.Water content,6.Heat resistance |
1.Bituminous mixture blender,2.Oven,3.Soaking scales,4.scales,5.Temperature controlled overflow tank,6.Constant temperature refrigerator,7.Marshall compactor,8.Ejector,9.Marshall tester,10.Constant temperature water bath,11.Theoritical maximum relative density instrument,12.Roll forming machine,13.Wheel track testing machine,14.Bitumen extractor(or combustion furnace),15.Standard sieve,16.Sieve shaker,17.Pavement water seepage instrument,18.Universal material tester,19.LVDT displacement sensor,20.Environmental cabinet,21.Asphalt mixture plate cutting machine,22.Frozenthawed splitting special fixture and bar,23.Los Angeles abrasion tester,24.Emulsified asphalt slurry seal mixture consistency instrument,25.Wet wheel abrasion tester,26.Ring test sample,27.Adhesion tester,28.Load wheel tester,29.Rotary bottle abrasion tester,30.Microscope,31.pH test paper,32.Oil absorption rate tester,33.High temperature furnace |
Shanghai Changji Geological Instrument Co., Ltd. SHANGHAI ICP Prepare 05012346 number -1