Highway Research Record No. 39 - Indian Roads Congress

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6 show that in residential area also concentration of ethane is maximum. This could also be attributed to the lPG leakage in houses. lPG is normally used in residential areas for cooking purposes. Residential sampling site like Maharani Bagh have underground lPG pipelines even any small leakage during handling and usage can increase concentration of ethane in ambient air. 5. research Work Done in academic Institutions related to thesis Work 5.1 pavement engineering and Materials The research work done under various thesis projects have concluded the following: i) Delay in the maintenance application increases the maintenance cost approximately two times for every year of delayed maintenance. This leads to increase in Vehicle operating cost. ii) Recycled Asphalt Pavement can be partially or completely reused in fresh construction. iii) Study of pervious concrete has revealed that compressive strength of pervious concrete is 39 Per cent less than normal concrete. Split tensile strength is 15 Per cent less than normal concrete. Modulus of rupture of pervious concrete is 22 Per cent less than normal concrete. The average coefficient of permeability was found to be 0.155 cm/ sec. iv) From experiments, Geotextile placed at bottom of overlay performed better than geotextile placed at one-third from bottom in the overlay followed by geotextile placed at middle in the overlay. v) From the results of aging index, for VG 20 grade bitumen, lime added at 2 Per cent shows maximum increase in viscosity after aging process, but cement added at 1 Per cent has less effect on viscosity with aging. vi) For VG 10 grade bitumen, fly ash added at 2 Per cent shows maximum increase in viscosity after aging process, but lime added at 1.5 Per cent has less effect on viscosity with aging. vii) Analysis of the 100 sample database for their penetration at 25 ºC and viscosity at 60 ºC revealed that samples having good temperature and shear susceptibility always had higher penetration for a given viscosity range. For instance, samples having R value of 0.9 and above, shows a higher penetration value of 60 within a viscosity range of 1600-2400. GENERAl REPORT ON viii) Fatigue life of SMA mix prepared with PMB 40 was 5.19 Per cent greater than that of SMA mix prepared with PMB 70. ix) WMA binder treated with Zycosoil and Densicryl showed very negligible draindown values. This indicates that separation of fines and bitumen noticed during transportation and placing of the mixture is restricted to a large extent. x) In pavement design, the application of reliability methods in pavement design is underutilized, particularly in codes and design guides that depend heavily on empirical data and the criterion for selecting the reliability level is primarily governed by the importance of the road section. Study shows the importance of incorporating parametric uncertainty in the determination of pavement reliability through the estimation of partial factors, the drawbacks of assigning such reliability levels without the explicit consideration of the design uncertainties is highlighted. xi) From the lab investigations it was observed that the temperature of the mix influences the skid resistance xii) It was seen that skid resistance under dry and wet conditions for mixes with added fibers higher than that of control mix. xiii) The study shows that although the concept of perpetual pavements advocates the increase of HMA thickness to keep the critical strains within the threshold limits, the provision of a stable foundation and the high stiffness base materials are equally significant from a financial perspective. xiv) The minimum cement content for any pervious cement concrete is 230 kg/m 3 . Addition of 50 Per cent more cement content resulted in a minimum of 66 Per cent increase in the compressive strength. The lowest compressive strength exhibited is 5.67 N/mm 2 . xv) By decreasing the height of the soil above the tunnel, the surcharge pressure coming over the tunnel decreases, but if a road comes over a tunnel due to the reduction of soil thickness above the tunnel, wheel loads has more significance. 5.2 Traffic & Transportation A total of 46 Research projects related to thesis for post-graduation/ PhD reported in the area of Traffic & Transportation area. Mainly these studies focused on, Traffic Engineering and management
elated studies, Transportation Planning, Advanced Modeling techniques and vulnerable road user studies. These are briefly in the following: Traffic Engineering Management Related Studies: The studies include capacity analysis of three legged signalized intersection, Evaluation of Roundabouts versus Unsignalized and signalized intersections, Impact of Traffic Composition on PCU Values of Road Vehicles, Estimation of Road User Cost of Highway Construction Zones, Adaptive Traffic Signal Control as an ITS Measure for Urban Arterials, Traveller preferences for Advanced Traveller Information system, Travel time and congestion analysis under heterogeneous traffic conditions and Analysis of road accidents based on Accident Severity Index (ASI) Transportation Planning Related Studies: Application of dynamic traffic assignment (DTA) packages under Indian traffic conditions, Algorithms for reliability based optimal routing and traffic assignment in stochastic transportation networks, Travel Time Reliability Study at Urban Corridors on Selected Route Pairs, Highway ROAD RESEARCH IN INDIA 2011-12 7 Assignment Modelling in Cube Voyager Software for Feasibility Study of Proposed Coastal Road, GIS Based Safe Bus Stop location , land use and Transportation Planning, Development of GIS Based Framework to Plan and Monitor PMGSY Roads, Dynamic traffic assignment simulation and evaluation of Advanced traveler information systems. Advanced Modelling Techniques: These studies include Application of Multicriteria Decision Making Methods in Mode Choice Analysis and Development of Fuzzy logic Based Performance Evaluation Model for Bus Transit. The Micro simulation Based Studies includes Modelling Heterogeneous traffic in VISSIM and Simulation of Vehicle Queuing at a Toll Plaza. Vulnerable Road User Studies: Mainly focused on the Impact of Built Environment on Pedestrian Motor Vehicle Collision, Facilities for Pedestrians and Physically Challenged in Rural Highways, Micro simulation Study of the Effect of Vulnerable Road Users on Traffic Flow Characteristics, Road Safety with Emphasis on Non- Motorized Traffic
Page 2 and 3: Written Comments on this highWay re
Page 4 and 5: 2. RIGID PAVEMENTS 18 sUmmary 18 a.
Page 6 and 7: III. BRIDGE ENGINEERING 43 sUmmary
Page 8 and 9: B. on-going / ComPLeted ProJeCts 83
Page 10 and 11: 2. Capacity analysis of three Legge
Page 13 and 14: General report on roaD reSearCH In
Page 15 and 16: and Gujarat states; and design, con
Page 17: construction. Utilization of lateri
Page 21 and 22: a. proJeCtS reporteD For tHe FIrSt
Page 23 and 24: 5. Development of Improved Material
Page 25 and 26: progress: Govt. of Gujarat has inst
Page 27 and 28: present Status and progress Marshal
Page 29 and 30: Gujarat Engineering Research Instit
Page 31 and 32: a. proJeCtS reporteD For tHe FIrSt
Page 33 and 34: ROAD RESEARCH IN INDIA 2011-12 21 3
Page 35 and 36: Interim Conclusions/ Supporting Dat
Page 37 and 38: ROAD RESEARCH IN INDIA 2011-12 25 B
Page 39 and 40: • Selection and laboratory testin
Page 41 and 42: 2. Design, Construction and Perform
Page 43 and 44: ROAD RESEARCH IN INDIA 2011-12 31 I
Page 45 and 46: Further information/Copy of report
Page 47 and 48: 7. Feasibility Study of a patented
Page 49 and 50: angle of friction. A combination of
Page 51 and 52: Significance/ Utilisation potential
Page 53 and 54: Further information / Copy of repor
Page 57 and 58: The measured displacements of bridg
Page 59 and 60: • Development of procedures for f
Page 61 and 62: the Mobile Bridge Inspection Unit (
Page 63 and 64: progress: The objective of this pro
Page 67 and 68: side i.e. 0% at 50-55 Hz for both e
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under second priority and 8 Junctio
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District Tourism Promotion Council
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each sub route was computed using a
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Further information/Copy of report
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and interview method. Further surve
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3. To carry out necessary techno-ec
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• • • motorcycles: A note Tra
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way. Besides this, the parking char
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are to be addressed and necessary a
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made for any particular route. Freq
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a. proJeCtS reporteD For tHe FIrSt
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study, the condition of most of the
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Collection of Data: Collection of d
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‘without’ project scenarios. Th
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limitations of conclusions The stud
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• Diurnal variations in the patte
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ROAD RESEARCH IN INDIA 2011-12 89 V
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C. reSearCH proJeCtS relateD to tHe
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Salient-Findings and Conclusions Th
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oad designers and managers. Rural r
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d) e) f) b. Development of composit
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Proposed Methodology (Type of study
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• • • Conducting laboratory E
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Proposed Methodology Experimental s
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• These transition temperature de
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• deformation (rutting) than that
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• • • mixes using treated agg
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last two decades, resulted in large
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ased on reliability analysis method
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• pavements (15 years) and long-l
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7. 8. 9. interface of WBM-modified
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• • • • • 14 to 2.42 mm/s
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2. stresses in the post-tensioned c
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15. Urban Speed Management for Tiru
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Scope and Objectives The cellular a
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• • • To model congestion on
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Andhra Pradesh. Pin: 523002, Mobile
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• • • • • • Similarly a
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Scope and Objectives The process of
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• The results indicate that for t
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Scope and Objectives Conventional s
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subgrade soil”, ‘National Confe
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Salient-Findings and conclusions Th
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Further information/Copy of the rep
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IIT Madras., Mobile: 08608651677 e-
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• To suggest guidelines, standard
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34. Intercity Passenger Travel Dema
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the individual travel times. It has
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e) f) g) h) i) i. ii. iii. i. ii. i
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• Traveller Information System in
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To satisfy the fourth objective of
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improving air quality and reducing
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development of APMs, models were de
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ROAD RESEARCH IN INDIA 2011-12 167
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1. 2. 3. 4. ROAD RESEARCH IN INDIA
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Reporting Organisation (R) Sponsori
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eportInG orGanISatIon: 1 Project Ti
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ROAD RESEARCH IN INDIA 2011-12 175
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Highway Research Record No. 39 - Indian Roads Congress

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