pipe in bending frame

Performance Assessment of iPVC Pipe and Coupling for Large Ground Movement

July 15, 2022

Project Title: Performance Assessment of iPVC Pipe and Coupling for Large Ground Movement Industry Partners:  East Bay Municipal Utility District, Denver Water CIEST Personnel: Nicholas Berty, Cory Ihnotic, Katherine O’Dell, Jessica Ramos Primary Investigator: Prof. Brad Wham Year: 2022 Project Summary: The intent of this study is to define the...

hoop tensile stress test

Hoop Tensile Test

April 1, 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...


Rapid Encapsulation of Pipelines Avoiding Intensive Replacement (REPAIR)

March 9, 2022

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 : Patrick Dixon, William Flood, John Hindman,...

Fully seated gasket

Axial Capacity of Reinforced Gasketed Joints

Aug. 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.

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Shell Mechanical Engineering Senior Design Team

March 26, 2020

A Mechanical Engineering Senior Design team, sponsored by Shell, worked with CIEST to design, manufacture, and test the vibration responses of different piping systems with and without mitigation methods applied.

Anna and teacher

AP Research: Mycelium and Seismic Performance

March 26, 2020

Erie High School student Anna Broerman, accompanied by her teacher Kaitlyn Gentert, investigated the inclusion of mycelium in cement bricks to aid in seismic performance at CIEST for her AP research project.


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.