Use Zycosoil as an Admixture in Bitumen Road Construction

IJSTE - International Journal of Science Technology & Engineering | Volume 3 | Issue 03 | September 2016 ISSN (online): 2349-784X

Research Paper on use Zycosoil as an Admixture in Bitumen Road Construction Devangi G. Hattimare PG Student Department of Civil Engineering Hasmukh Goswami Collage of Engineering, Vehlal, India

Abstract Construction and subsequent maintenance of pavements in good condition has become quite problematic especially in areas where soft bitumen is met with. During Rainy season the natural bitumen become failure and pose serious problem. To the movement of vehicular traffic, treatment and strengthening of bitumen appear to be the only solution for keeping the pavement of surfaces serviceable. The pavements even when constructed according to the conventional methods are failing due to the bitumen undergoing deformations during monsoon and become unserviceable. Treatment of the bitumen with Zycosoil has used recently to obtain the desired strength. In view of the present investigation, an attempt is made to conduct different types of experiments on bitumen mix with Zycosoil and to study the changes in the engineering properties of the bitumen. Penetration ,ductility ,specific gravity , flashpoint, Marshall mix Tests were conducted on the bitumen mixed with Zycosoil with different percentages such as 0.1%, 0.2%, 0.3% and 0.4%. Keywords: Bituminous Mix, Zycosoil, Marshall Mix Design ________________________________________________________________________________________________________ I.

INTRODUCTION

Moisture damage in asphalt pavements has been considered to be a widespread problem in the United States and around the world. Water that infiltrates the pavement structure can cause premature failure of hot-mix asphalt layers, primarily through loss of adhesion between the asphalt binder and the aggregate or the loss of cohesion in the asphalt binder. Loss of adhesion can lead to stripping and raveling. The stripping or raveling of asphalt films from the surface of aggregate particles results in the cause of premature failure of asphalt pavement. Moisture damage is a function of several factors. Zycosoil was designed and is intended for use as a water repellent for a wide variety soil, ash, gravel and aggregates. After numerous lab and field tests, specifications were created to provide marketers, applicators and engineers with guidelines for use of this new technology. Included within the specifications is a range of estimates for yield and dilution factor. It is important to note that there are virtually tens of thousands of soil types throughout the world, thus it is recommended to test individual soil types whenever possible to determine the optimum dilution and application technique for both performance and economic purposes. General Instructions Zycosoil Zycosoil nanotechnology leads to permanent anti-stripping of aggregate surfaces. It also acts as a binding agent with asphalt. The most important development of asphalt industry in the last 50 years, lead to an improvement of the quality of roads and lowering of the costs of maintenance. The Si-O-Si Siloxane bond is Mother Nature's strongest bond which survives for centuries. Dosage Dosage of zycosoil varies between 0.05% to 0.15 by weight of asphalt binder. The specific gravity of zycosoil is 1.05.In case accurate weighting balance is unavailable usage of 1 ml instead of 1gm zycosoil should be acceptable. Zycosoil Technical Information  Color Clear to pale yellow  Solid content 45-50 %  Solvent Ethylene glycol  Flash Point 80oC, Nonflammable,  Viscosity (25oC) 200-800 CPS  Solubility Soluble in water in all proportions. Soluble in methanol, ethanol and isopropanol. Benefits of Zycosoil  Increase the amount of filler and decrease the air void in asphalt mixtures.  Higher compaction on field by 1-1.5%  Enhances moisture and ruting resistance  Quick setting time.  Reduced tire pick up. All rights reserved by www.ijste.org

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Research Paper on use Zycosoil as an Admixture in Bitumen Road Construction (IJSTE/ Volume 3 / Issue 03 / 021)

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Non corrosive. Improve mix tensile strength and Marshall stability , maintaining flow value Limitations of Zycosil  Adverse effects of the solvent used- ethylene glycol  A lot of precautions to be taken  More effective on pre-existing cracks than cracks which occur after the application Applications of Zycosoil a) Maintenance  Unpaved aggregate roads: - Saturate the aggregate-soil surface including 2 meters each on both sides of the road with diluted Zycosoil solution @ 3-L/M2.  Black topped roads: - Spray diluted Zycosoil solution @ 1.5- L/M2 on black top, shoulder and slope. Sun dry for 2-3 hours and check for water repellency by drilling a hole in the soil area b) Repairs  Potholes  Crack Features of Zycosil  Permanent water repellent layer on all types of soils, aggregates and other inorganic road construction materials.  The technology addresses the critical subsurface drainage problems in road making and repairs.  Zycosil’s reactive bonding ability with the aggregates and asphalt helps to eliminate stripping of aggregates great extent. Data Collection and Results Table – 1 Summary of test results of vg 30 grade bitumen with and without zycosoil Characteristics of tests VG 30 VG 30 +0.1 %Zycosoil VG 30 +0.2 %Zycosoil Min. Limit Penetration (mm) 65 64 63.2 50-70 Softening point (C°) 54 53 52.6 Min 47 Ductility (cm) 85 82 81 Min 40 Table – 2 Marshal Mix Design Test Values without Zycosoil Bitumen content by weight of total mix % 5% 5.5% 6% 6.5% SGMA 2.770 2.770 2.770 2.770 CDM 2.437 2.454 2.466 2.458 SGM 2.560 2.542 2.542 2.507 CDMA 2.320 2.326 2.326 2.307 VMA in% 16.24 16.02 16.01 16.71 VIM in % 4.92 4.14 2.29 1.95 VFB in % 69.70 74.17 81.44 88.33 Stability in kg 874 912 928 897 Flow in mm 2.93 3.20 3.47 3.73 Table – 3 Marshal Mix Design Test Values with Zycosoil Bitumen content by weight of total mix % 5% 5.5% 6% 6.5% SGMA 2.770 2.770 2.770 2.770 CDM 2.472 2.470 2.480 2.451 SGM 2.560 2.542 2.524 2.507 CDMA 2.34 2.341 2.339 2.301 VMA in% 15.52 15.48 15.55 16.93 VIM in % 4.023 2.832 1.743 2.23 VFB in % 74.078 81.70 88.78 86.83 Stability in kg 909.93 1018 1061 946.6 Flow in mm 3.20 3.43 3.76 3.93 CDM: Compacted density of mix. SGMA: Specific gravity of the mixed aggregate. SGM: Specific gravity of the mix. CDMA: Compacted density of the mixed aggregate. VMA: Voids in the mixed aggregate. VIM: Voids in the mix. VFB: Voids filled by Bitumen.

Code IS 1203 IS 1205 IS 1208

II. CONCLUSION Following conclusions are derived based on laboratory investigations keeping in aspect procedures of codal practice:

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Research Paper on use Zycosoil as an Admixture in Bitumen Road Construction (IJSTE/ Volume 3 / Issue 03 / 021)

Consequently the conclusion was drawn that Zycosoil has a potential for minimizing water damage occurring in asphalt mixtures and could be used as an effective anti-stripping agent capable of improving the resistance of asphalt mixtures to water damage. It is however recommend that quantitative binder and mixture tests be performed in the near future to draw a stronger conclusion of the effectiveness and suitable use of Zycosoil as an anti-striping agent. It must be noted that this study evaluated Zycosoil with only one binder and two aggregates. It is well known that mixtures’ performance is highly dependent on aggregate and binder type. It is therefore recommended that the evaluation be extended to other types of aggregates, such as gravels and limestone, and other types of binders that are normally used in cold climate condition. ACKNOWLEDGEMENT First and foremost, I would like to thank God, The Almighty, for blessing me with the opportunity and ability to complete this work. I would like to express my sincerest appreciation, solemn gratitude, and heartiest thanks to Professor Vrundani Vaidya for her thoughtful guidance, unparalleled support, constant encouragement. I am very thankful to Prof.V.A.Vadhel who has given me such great guideline regarding my project work and also he has given me benefits of his deep knowledge. REFERENCES [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14]

Manual on Zycosoil by Zydex Industries Pvt. Ltd Zycosoil Product technical Information by Dr Prakash Mehtha. GERI (Gujarat Engineering Research Institute) Road Research DivisionVadodara. IRC: SP: 72-2007, Flexible Pavement Design for Rural Roads. IRC: SP: 72-2007, Flexible Pavement Design for Rural Roads. http://www.zydexindustries.com IS: 1202- 1978, Methods for testing bituminous materials: determination of specific gravity. IS: 1203- 1978, Methods for testing bituminous materials: determination of penetration. IS: 1205- 1978, Methods for testing bituminous materials: determination softening point. IS: 1208- 1978, Methods for testing bituminous materials: determination of ductility S.K. Khanna and Dr. C.E.G. Justo, Highway Engineering Published by Nem Chand & Bros. (Eighth Edition-2001) https://www.astm.org/Standards/D6927.htm Association of state Highway and Transportation officals (AASHTO) Standard Zycosoil Product technical Information by Dr Prakash Mehtha.

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