Presentation on

Permanent Repair Solutions

of

Concrete Pavements

By

Mangesh Dhamele.Choksey Chemicals P. Ltd.

MumbaiHand phone: 09322272943

Email: mangesh@chokseychem.com

Requirement Of The Product For Repairs Of PQC & Expansion Joint

1. Flexible enough to accommodate anticipated expansion and contraction – Extreme Climatic Conditions.

2. Ultra-violet Resistance – Does Not Become brittle with time.3. Impermeable.4. Excellent bonding with existing concrete and steel.5. Resistance to Tear & Wear6. Fast setting so that repaired patch / Exp. Joint can accept traffic within one hour.7. High Impact & Fatigue Resistance.8. Resistance to all type of fuels, Acid generated from the night soil.9. Noise Reduction and smooth riding quality10. Skid resistance, non-reflective finish, colour matching with concrete, Paintable also.11. Economical – Long Term Maintenance Free Performance.

Delpatch is polyurethane based proprietary chemistry.

Compounded to develop high strength and to promote easy bonding to both concrete and steel for high performance pavements.

Permanent repair solution

Fast Curring - Accept traffic in an hour

Self-leveling – Easy Workability.

Delpatch - Elastomeric Concrete

Delpatch - Elastomeric Concrete - Properties

Polymeric Fibers for Reinforcement.BindersHigh Strength Quartz SandAggregatesPolyol – Aliphatic Isocyanides SystemMain CompositionPolyurethane baseResin SystemDelpatch – Polyurethane Based MaterialDescription

Delpatch - ElastomericConcrete - Properties

1.6 Max.0.2ASTM D 1299Heat Shrinkage12.

150 Min.192ASTM 1299Tear Resistance, lb/inches

11.

3 Max.2.6ASTM D 570Water Absorbsion, %10

25 Max.8ASTM D 471Oil Swell9.

250 Min280Wet Adhesion to Concrete, psi

8.

350 Min490ASTM C 190Dry Adhesion to Concrete, psi

7.

7 Min10 +Impact Resistance, ft - lb6.

70 Min88Resilience @ 5 Deflection %

5.

80 Max.27ASTM D 395Compression Set, %4.

30 – 4941ASTM 2240Hardness3.

200 Min210ASTM D 638Elongation at Break %2.

750 Min1950ASTM D 638Tensile Strength psi1.

RequirementsTypical Test Result

MethodPropertySr. No.

Area Preparation

Priming

Mixing

Pouring

Accepting Traffic

Weather Restrictions

Do not install Elastomeric Concrete™ when any moisture is present or when ambient temperatures are below 45ºF (8ºC)

Elastomeric Concrete Elastomeric Concrete can accept traffic in as little as one hour after the final pour when installed in normal working conditions

Delpatch - Elastomeric Concrete Installation Method

Key Areas of Repairs

•Full depth cracks.•Crazy cracks •Edge Spalling•Major and minor pot holes•Patch resurfacing•Nose wheel Area repairs•Replacement of joints over night•Airports, Highways/Expressways•Spillways of Dams•Under pass of bridges, •Rail platforms•Heavy industrial Floors.

Vinayak Technico- JaipurDefence Airport / MESUttarlai Airforce Station17

Choksey Chemicals, MumbaiMIAL AAI – CSIA, Mumbai16

Ami Enterprises, MumbaiNHAI / HCCChittorgarh Bypass15

Ami Enterprises, MumbaiAAI / TARMATAAI – CSIA, Mumbai – Repeat Order14

Choksey Chemicals, MumbaiAAI – JaipurJaipur International Airport, Jaipur. – Repeat Order

13

Choksey Chemicals, Mumbai / Valecha Engineering Ltd.

MSRDCSatara Kolhapur Road Project.12

Choksey Chemicals, JaipurGarrison Engineer – MES – JaisalmerJaisalmer Airforce Air Base, Jaisalmer11

Choksey Chemicals, MumbaiNHAIUdaipur – Chittorgarh Road Project10

Ami Enterprises, MumbaiAAI – JaipurJaipur International Airport, Jaipur.9

Ami Enterprises, MumbaiAAIAAI – CSIA, Mumbai8

Ami Enterprises, MumbaiBHELBHEL- Bhopal7

Ordnance Factory, JabalpurOrdnance Factory, Ministry Of DefenceGun Carriage Factory, Jabalpur.6

AAIAAIAirport Authority Of India, Kolkata5

Larsen & Toubro Ltd.NHAINH-84

Ideal Road Builders Ltd.MSRDCMumbai – Pune Expressway3

Unity Infrastructures Ltd., MumbaiMMRDAJogeshwari Vikroli Link Road, Phase – II, Mumbai

2

NCC- Maytas – Mahaveer - JVMMRDAJogeshwari Vikroli Link Road, Phase – I, Mumbai1

ContractorClientProjectSr. No.

Delpatch - Indian Job References