REPAIR Logo

Rapid Encapsulation of Pipelines Avoiding Intensive Replacement (REPAIR)

March 9, 2024

Project Title: Testing and Analysis of Pipeline Encapsulation Technologies Funding Agency: DOE/ARPA-E: Rapid Encapsulation of Pipelines Avoiding Intensive Replacement (REPAIR) Lead: University of Colorado Boulder Partners: Gas Technology Institute, Cornell University, University of Southern Queensland Industry Partners: Sanexen Environmental Services Inc. CIEST Personnel : Dustin Quandt, Sina Senji, Patrick Dixon,...

thumbafter

Seismic Evaluation of Hazard-Resistant Lifelines: Fusible PVC Pipe and Fittings

July 18, 2024

Project Title: Seismic Evaluation of Hazard-Resistant Lifelines: Fusible PVC Pipe and Fittings Industry Partners:  Aegion Corportation - Underground Solutions Inc. CIEST Personnel: Cory Ihnotic, Jessica Ramos, D.K Anderson, David Balcells Primary Investigator: Prof. Brad Wham Year: 2021 Project Summary: The intent of this study is to impose external loading conditions...

failure_2

Evaluation of Gate Valve Flanges: Serrated vs Non-Serrated Under External Loading

April 30, 2024

Project Title: Evaluation of Gate Valve Flanges: Serrated vs Non-Serrated Under External Loading Industry Partners: Denver Water CIEST Personnel: Cory Ihnotic and Jessica Ramos Primary Investigator: Prof. Brad Wham Year: 2024 The intent of this study is to investigate the difference between a serrated faced flange connection and a non-serrated...

hoop tensile stress test

Hoop Tensile Test

April 2, 2022

Project Title: Hoop Tensile Test Industry Part ner: PSI Lab CIEST Personnel Participants : John Hindman Year: 2022 Project Summary: The CIEST Laboratory successfully completed testing pipe liner samples for “apparent hoop tensile strength” as described in ASTM D2290. The method uses a split disk to apply tensile forces to...

Fully seated gasket

Axial Capacity of Reinforced Gasketed Joints

Sept. 30, 2020

Full Project Title: Axial Capacity of C900 PVC Pipe with Reinforced Gasketed Joints Year: 2019-20 Industry Partner: Denver Water CIEST Personnel : Jessica Ramos, John Hindman, Brice Lucero, David Ballcells, Hayley Parnell, and Porter Hawkins Primary Investigator : Prof. Brad Wham Summary: The objective of this study was to impose...

Specimen in compression

Biomimetic Antifreeze Polymers

Aug. 14, 2020

Full Title: Year: 2017-21 Participants: Mohammad Matar, Shane Frazier, Jorge Osio-Norgaard, Anastasia Aday, Nathan Deanda, El Delesky Primary Investigator: Wil Srubar III Summary: In this study the effects of biomimetic antifreeze polymers were investigated for their use as an alternative to traditional air entraining agents in concrete exposed to freeze-thaw...

geo thumbnail

Geopolymer Cements

Aug. 13, 2020

The primary objective of this Extremely Durable Cementitious Materials project is to engineer an ultra-acid-resistant low-calcium alkali-activated (geopolymer) cement paste specifically for wastewater infrastructure applications.

biobrick arch

Engineered Living Materials (BioBricks)

Aug. 13, 2020

The objective of this project is to engineer living materials to serve both biological and structural functions.

Axial set up of FEJ specimen

Tension Testing of Flexible Expansion Joints

July 19, 2020

Report by H.L. Parnell, L. Guerrero, B.A. Lucero, and B.P. Wham.

load_frame_pic

Evaluation of Hazard-Resistant Pipelines

Sept. 27, 2019

The first in a series of testing programs at CU Boulder CIEST investigating performance of critical lifeline systems under extreme loading conditions.

Pages