Date: November 21, 2022.
Trevis and Lakhjot Khash from Langley concrete,Canadian Precast Prestressed Concrete Pipe Institute, delivered a lecture on precast and pipe design. Their talk highlighted detailed explanations of precast trenchless installations, micro-tunnelling pipes, stormwater management and installation of pipes.
![](https://ok-sci-asset-2021.sites.olt.ubc.ca/files/2022/11/photo_2022-11-26_17-34-09-940x705.jpg)
![](https://ok-sci-asset-2021.sites.olt.ubc.ca/files/2022/11/20221121_110554-940x529.jpg)
One interesting topic of the lecture that lit up the students’ curiosity was Dry Cast. They also demonstrated the action of loads on a pipe during the movement of a vehicle. And lastly, they spoke about autogenous healing with an emphasis on direct and indirect design methods.
![](https://ok-sci-asset-2021.sites.olt.ubc.ca/files/2022/11/MicrosoftTeams-image-scaled.jpg)
![](https://ok-sci-asset-2021.sites.olt.ubc.ca/files/2022/11/MicrosoftTeams-image-1-scaled.jpg)
![](https://ok-sci-asset-2021.sites.olt.ubc.ca/files/2022/11/photo_2022-11-26_17-34-33-940x705.jpg)