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Mastodon: AboutGet the appKeyboard shortcutsView source codev4.4.0-nightly.2025-03-19

#concrete

24 posts23 participants2 posts today
Public
Y⃒̸̷̝̜̙ͥͥͥngmar

It's done! Here's the epic moment after the 11m concrete beam has left the yard (leaving a nice brown skidmark).

I was going to film it, but the gusty wind blew the camera over before it got interesting.

The other beam was damaged and broke in half, leading to some sketchy cutting of rebar under load (ping!) and dragging two halves out. Had to shovel the concrete debris out of the garden, that took even longer.

No more stupid concrete in the garden 🥳

A crooked gate leading out of the yard and into the meadow with two barns. A giant 11m concrete beam has been dragged through the gate, leaving torn up dark soil and mud. It's now resting in the leaves under some 40 year old oaks.
A large concrete beam has been pulled sideways with a tractor and steel cable. It's broken in half, leaving a mess of crumbling concrete, rebar and for some reason a plastic pipe embedded inside of it. The soil is churned up thoroughly and muddy.
Close-up of the front of a concrete beam well buried in the soil. A chain leads around the front, connects to a wire rope and goes over a small steel car wheel (without tyre) and off into the distance. The wheel sits on a wooden plank shoved under the beam.
#Homestead#Farm#DIY
Public
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

We Finally Know Why Ancient #Roman #Concrete Was So Durable
The properties of this concrete have generally been attributed to its ingredients: pozzolana, a mix of volcanic ash, and lime. When mixed with water, materials can react to produce strong concrete. Roman concrete was probably made by mixing quicklime directly with pozzolana and water at extremely high temperatures, by itself or in addition to slaked lime, a process team calls 'hot mixing' results in lime clasts.
sciencealert.com/we-finally-kn

ScienceAlert · We Finally Know Why Ancient Roman Concrete Was So DurableThe ancient Romans were masters of building and engineering, perhaps most famously represented by the aqueducts.
Public
ThuH

STEEL🔧 CONCRETE🗿 LIGHT💡

'BurSong'

The steel shade is cut from an up-cycled galvanized steel roof panel of which the surfaces have been hand sanded in multiple stages resulting in a brushed like finish.

Dimensions and weight:
Width: 38.5 cm / 15 ¼ Inches
Depth: 14.5 cm / 5 ¾ Inches
Height: 8.5 cm / 3 ¼ Inches
Weight: +/- 1.4 Kg / 3 lbs

thuhstudio.etsy.com



Continued thread
Public
Y⃒̸̷̝̜̙ͥͥͥngmar

After I finally got the beam out of the garden, I hooked up the other end and turned it 90 degrees so it can go thick end first towards the gate behind which I want it to be.

But before I can pull it the rest of the way, I had to tidy up the other beams spread out in the yard. Luckily our tractor fits between fruit trees, sheds and old bee hives and I could pull them all into a pile, one at a time. One shattered!

This took the rest of the day 😓

A crumbled concrete beam exposing several long pieces of rebar. The rest is pulled together next to it.
Small blue tractor standing under some large apple trees next to an old dog house, rear towards a couple concrete beams it has pulled into an orderly array. The sun is shining and some snow covers the mud and moss.
The yard at sunset. Some snowy lines show where the concrete beams used to be, now they're all on the right, packed tightly with the short pieces on top.
#Concrete#Beam#Homestead
Public
Y⃒̸̷̝̜̙ͥͥͥngmar

Got Mr. Beam moved. Schlepped a long wire rope from the grain store, massive 20mm ø. An hour undoing a stupid knot in the middle of it with steel spikes and hammer. Long enough to reach a distant spruce with the 3 ton hand winch.

It moved but this pace got boring fast, so I used the tractor to pull sideways at the midpoint of the tensioned rope. That moved it much faster!

The soil there was much more solid, so I could pull it by tractor the rest of the way.

A stubborn concrete beam is connected by a chain around it to a long, thick wire rope that leads off into the distance to a far away tree near a house. Lots of churned up half frozen mud is all around.
At the other end, a thick cargo strap is led around a tree and connected to a 3 ton hand winch that pulls the wire rope with a short chain extension. The rope is tensioned and suspended in the air.
Mr. Beam, now completely out of the garden, resting alongside a fence before being rehitched to get pulled from the other end. The sun shines through some puffy clouds.
#Homestead#Concrete#Beam
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