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Culvert Liners High Value Research. Sue Sillick Montana Department of Transportation July 2011. RESEARCH PROGRAMS. Purpose of Project. Install two types of culvert liners to restore function and structural integrity to corrugated steel pipe (CSP) Cure-in-Place (CIPP)

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culvert liners high value research

Culvert LinersHigh Value Research

Sue Sillick

Montana Department of Transportation

July 2011

RESEARCH PROGRAMS

purpose of project

Purpose of Project

Install two types of culvert liners to restore function and structural integrity to corrugated steel pipe (CSP)

Cure-in-Place (CIPP)

High Density Polyethylene (HDPE)

RESEARCH PROGRAMS

purpose of project3

Purpose of Project

Why culvert liners vs. replacing the culverts?

Improve worker and public safety during construction

Minimize construction impact on the public and the environment

Eliminate construction traffic delays and congestion

Eliminate construction landfill waste

Increase culvert performance and life

Decrease maintenance costs

RESEARCH PROGRAMS

slide4

Culvert Condition Prior to Construction

Culvert Outlet

Culvert Inlet

RESEARCH PROGRAMS

slide5

Cure-in-Place Culvert Liner Installation

Resin impregnated, three-layer polyester Cure-in-Place Pipe (CIPP) liner being inserted into existing culvert using compressed air

RESEARCH PROGRAMS

slide6

Cure-in-Place Culvert Liner Installation

CIPP liner under cure using low-pressure steam

RESEARCH PROGRAMS

slide7

Cure-in-Place Culvert Liner Installation

Completed CIPP liner inlet

Completed CIPP liner outlet

RESEARCH PROGRAMS

slide8

Cure-in-Place Culvert Liner Installation

Example of work zone during the CIPP installation

RESEARCH PROGRAMS

slide9

HDPE Culvert Liner Installation

Seam welding the HDPE pipe for insertion into the existing culvert

RESEARCH PROGRAMS

slide10

HDPE Culvert Liner Installation

Inserting the finished HDPE pipe into the culvert

RESEARCH PROGRAMS

slide11

HDPE Culvert Liner Installation

HDPE pipe fully inserted and ready for grouting phase

RESEARCH PROGRAMS

slide12

HDPE Culvert Liner Installation

Completed HDPE liner outlet with grouted bulkhead

RESEARCH PROGRAMS

slide13

HDPE Culvert Liner Installation

Example of work zone in HDPE pipe installation

RESEARCH PROGRAMS

slide14

Condition at Three Years

HDPE

CIPP

RESEARCH PROGRAMS

culvert liner evaluation

Culvert Liner Evaluation

Semi-Annual evaluations are being conducted for an initial 5-year period, including:

Internal culvert deflection

Lining integrity

Leakage

Flow

Discoloration

Other visual distress

RESEARCH PROGRAMS

slide16

Questions?

Contact

Sue Sillick

ssillick@mt.gov

406-444-7693

Project website: http://www.mdt.mt.gov/research/projects/macpass_culvert.shtml

RESEARCH PROGRAMS