01 / 6 · Tom Scott
These piers are thick concrete, and each of the main gates is 3,000 tonnes of steel.
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Well, these piers are made of Portland cement, so, they'll stand for a couple of centuries at least.
When one of these piers settles or heaves more than the others, all the stuff it supports tries to move too.
At 75 years old, we knew these old piers were just about finished holding this old house up.
Instead, we use screeds and trowels and floats to put a nice finish on the top surface of a concrete slab or pier.
As of this writing, crews are testing some revised drilling procedures that they hope will reduce the disturbance to the clay layer so they can get those piers installed and the building supported as quickly as possible.
Hearish memunculkan lagi sebuah kata di klip baru, dari suara baru, sampai melekat. Simpan yang ini dan mulai dari sini.