Cement Stabilization Projects in Iowa CityJason Reichart

Civil Engineer

City of Iowa City

Cement Stabilization Projects in Iowa City

• Not a technical discussion on cement stabilization

• Situations where cement stabilization has been and effective tool for the City of Iowa City

• Pros and Cons vs. Cost Benefit Analysis

First Avenue Grade Separation

Background and Site Conditions

• At grade railroad crossing on a 4-Lane arterial street near a junior high school

• 13,700 ADT in 2012 - projected 17,500 ADT by 2030

• Numerous delays and safety concerns

First Avenue Grade Separation

Project Overview

• Construction included 5 phases

• Constructed a vehicle and railroad detour in Phase 1 and 2

• 23,000 CY of cut along alignment of First Avenue and construction of railroad bridge during Phase 3

• Phase 4 was a 14 day critical closure to remove railroad detour, complete storm sewer, and construct new pavement

• First Avenue open to traffic and trains on the new bridge by Phase 5

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

First Avenue Grade Separation

Lower Muscatine Road

Background and Site Conditions

• 4-Lane Arterial street through a commercial area and residential neighborhood

• Near a community college, shopping mall, and 10 other businesses

• 9,700 ADT in 2006 - projected 11,000 ADT by 2030

• Numerous safety concerns and drainage issues

Lower Muscatine Road

Project Overview

• Construction included 3 phases with 10 stages

• Project length – 4,445 LF

• Total reconstruction of roadway and utilities

Lower Muscatine Road

Lower Muscatine Road

Lower Muscatine Road

Lower Muscatine Road

Questions

Jason Reichart

jason-reichart@iowa-city.org

(319)-356-5416