Research Journal - Entry 5 and Student Choice 3

Annotated Bibliography 5:
-Cite
Brock,Ed."Science paves the roads of the future."American City & County 121.8 (2006): 20-22. Academic Search Premier. EBSCO. Web. 7 Apr. 2010.

-Summary
Assertion-A variety of new paving materials and methods in asphalt and concfrete are available to meet the demand for new road construction.

Traffic conditions are getting worse and the Federal Highway Administration has recommended increasing highway capacity and widening local arterial roads. Two new form of asphalt, Stone Mix asphalt (SMA) and rubberized. SMA is an open-grade mix that consist of large stone aggregate combined with sand, asphalt, and fiber. Making a tough and durable surface. SMA doe cost more than regular mixes but the life span on it should range from 12-15 years than 7-10 years. Rubberized asphalt has pieces of recycled tire rubber that absorb sound and reduces surface damage caused by heat and cold. Concrete is durable and has a long life span. It is a common pavement in states with high traffic volume, particularly in the Midwest. Concrete life is 30-40 years, but some almost 100 years old. Its low maintenance. Dowel and metal bar distribute weight load through slbs on heavily trafficked concrete highways, increases road life and reduces noise.

-Reaction
Found information about how long concrete and asphalt last. I will use that in my paper. Also, the reinforcement of concrete.



Student Choice 3-Annotated Bibliography:
-Cite
Elena Baca, Maria. "Where the rubber meets the (hole in the) road: Potholes in pavement are feasting on our cars, turning tires and suspensions into heaps of automotive trash." Star Tribune (Minneapolis, MN) 05 Apr. 2010: Newspaper Source. EBSCO. Web. 7 Apr. 2010.

-Summary
Assertion-Bulding tires, cracked rims, broken springs.

Potholes causes damages to car and is expensive to repair. For '97 Honda Accord; shocks, struts, realighment, engine mounts estimated cost about $1,500. For 2006 Mazda rims, replacing all four cost as much as $300. In general broken stabilizer, bent wheels, and broekn axle can cost $700 to repair. Some new cars arent designed to take potholes to well because of large rims and low-profile "performance" tires. Compared with standard tires with 6-8 inches sidewall, these have 2-4 inches, said Mitch Mullenbach, a technician at Paul Williams Tire in Minneapolis. Not follwing maufactures' inflation guidelines can ruin tires. Over inflated tires can maximize gas mileage but having it over or underinflation is dangerous as well.

-Reaction
Information isnt to specific, but cost of repair on parts was good since I couldnt find prices for those repairs. Could be because of different types of vehicle cost could be less or more, also cost for labor.