Author Topic: Instant Concrete Road Repair Solution  (Read 3442 times)

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Instant Concrete Road Repair Solution
« on: January 15, 2017, 12:00:00 AM »


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INTRODUCTION
The Durability of road structures depends on the quality of its maintenance & minor renovations. Maintenance keeps the roadway safe, provides good driving conditions & prolongs the life of the pavement, thus protecting the road investment.
Currently in India more than 200 km of concrete road is in the operation since last few years. Most of the projects completed by NHAI, MSRDC and other state government authorities. Though the quality & procedural aspects, specifications / guidelines clearly mentions in IRC, MoRTH, but still we observes that various minor cracks, potholes and joints edge spalling in the PQC due to various factors which requires maintenance. Maintenance includes the prompt sealing of cracks & filling of potholes to prevent water entering through the surface.
Repairs and rehabilitation of concrete roads are required to have a smooth riding quality as well as avoid inconvenience causing to the vehicles. We need to have a durable repair products to avoid of cost of various factors like :
a)   Diverting the traffic for repairs
b)   Inconvenience to the traffic
c)   Repeatedly cost of repairs by using conventional methods.

REQUIREMENT OF THE PRODUCT FOR REPAIRS OF CONCRETE SURFACE
1) Resistant to abrasion and weather conditions.
2) Skid resistance, non-reflective finish with colour matching with  concrete
3) Fast setting so that repaired patch can accept traffic in as little as one hour.
4) Resistance to deicing chemicals & various industrial chemicals
5) Jet fuel and other fuel resistance like petrol, diesel, oil and grease.
6) Good bond between concrete and steel, Impermeable.
7) Flexible enough to accommodate anticipated expansion and contraction.
8 ) Ultra-violet Resistance, User friendly and pain table.
9) Manufacturer of the material should have the good track record & experience in such kind of repair products.
10) Economical

CONVENTIONAL METHODS OF REPAIR CONCRETE STRUCTURES
Though we have developed our specifications and guidelines to lay the PQC up to the international standards, but now considering the deteriorating conditions of the concrete roads, we have to develop the good specifications and proper guidelines / application systems to repair and rehabilitation of concrete surfaces permanently.
Currently following are the various conventional methods we are using for the repairs of concrete road.
1) Repair by fast setting water based cement compound
2)  Repair by epoxy mortar, which is non-UV Resistance material.
3)  Repairs of PQC by laying bituminous concrete or bitumen in the  cracks & potholes.
4) Other conventional methods

NEXT GENERATION FAST SETTING COMPOUND DELPATCH

In 1983, The D.S. Brown Company introduced Delcrete TM Elastomeric Concrete. The rigid, yet flexible connection DelcreteTM provided between steel and concrete soon made it the premier solution for bridge and highway spall repair as a permanent repair solution for high performance pavements, which would offer minimum downtime and, at the same time, limit exposure of work crews to traffic.
D.S. Brown engineers formulated DelpatchTM Elastomeric Concrete from the original DelcreteTM product. DelpatchTM a new generation of elastomeric concrete has two main uses. First, it is an excellent patching material for cracks and spalls on airport runways and highways. Second, Delpatch TM provides an easy to use solution in retrofitting airport runways with lighting & bridges with expansion joints.



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Instant Concrete Road Repair Solution
« on: January 15, 2017, 12:00:00 AM »

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RE: Instant Concrete Road Repair Solution
« Reply #1 on: January 15, 2017, 12:00:00 AM »
i already have this can i get more i needed to report on my literature review so i need the title and abstracts on instant concrete road repair solutions plss

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RE: Instant Concrete Road Repair Solution
« Reply #1 on: January 15, 2017, 12:00:00 AM »

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