Next time you see a dam, retaining wall, caisson, or any other subsurface construction, there’s a good chance that engineers have had to consider how groundwater will affect the stability.
View this complete post...Posts Tagged ‘Practical Engineering’
The Bizarre Paths of Groundwater Around Structures
Tuesday, June 7th, 2022The Most Dangerous Dams
Friday, April 12th, 2019
Dams serve a wide variety of purposes from hydropower to flood control to storage of water for municipal and industrials uses. But when a dam’s useful purpose fades away, the structure itself still remains. Dams come in all shapes and sizes, but contrary to what you might think, the most dangerous dams are often the […]
View this complete post...What is a Weir?
Friday, March 1st, 2019
A weir is a small dam built across a river to control the upstream water level. Weirs have been used for ages to control the flow of water in streams, rivers, and other water bodies. So how do they work?
View this complete post...What is a Hydraulic Jump?
Friday, February 8th, 2019
Engineers need to be able to predict how water will behave in order to design structures that manage or control it. And fluids don’t always behave the way you’d expect. On this episode of Practical Engineering, we’re talking about one of the most interesting phenomena in open-channel flow: the hydraulic jump.
View this complete post...How Water Towers Work
Wednesday, December 19th, 2018
The job of finding enough water, making it safe to use, and then reliably distributing it to the system customers with almost no downtime is a monumental task that requires a lot of infrastructure. And, probably the most visible component of a public water system is the elevated storage tank, also known as a water tower.
View this complete post...Why Tunnels Don’t Collapse
Friday, July 27th, 2018
Tunnels play an important role in our constructed environment as passageways for mines, conveyance for utilities, and routes for transportation. Rock bolts are a type of reinforcement for stabilizing rock excavations, usually made from steel bars or bolts. This simple construction method dramatically reduces the cost of making tunnels through rock safe from collapse.
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