资讯

There was a circle in Maria Burns' yard where grass wouldn't grow and trees died. She knew what it was: An old natural gas ...
The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly plugging away at research they hope will help us all adapt to the Biosphere 1 — ...
Current pipe jacking projects predominantly use C50 concrete pipes, which are prone to cracking and failure under jacking forces during complex construction. This study investigates the mechanical ...
For the common white PVC pipes used for drainage, schedule 40, a medium-bodied cement works well, like Oatey's Blue Lava Medium-bodied Cement. These cements offer a good bonding strength and are easy ...
Experience the fascinating process behind the mass production of cement pipes, where expert craftsmanship and skilled hands come together in a factory setting. Watch as raw materials are carefully ...
When complete, the two pipes are essentially one — creating a durable and leak-proof pipe you can use for a variety of tasks. However, before you just grab the first bottle of PVC cement you find, it ...
Plumbing pipes are used for various purposes, such as to bring water to your tabs and carry your waste to sewage systems. In this article, we will help you choose the right pipe for water supply, ...
Concrete pipes could be used in part for the production of new precast concrete parts and as crushed material, for example in road construction," explains Dr. Daniel Maga from the Sustainability ...
“That pipe was only 20 years old, and we thought, all this concrete pipe we put in should really be fine if the sulfide resistance was what we asked for. “It should have been bulletproof.