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You also get to see how metal is recycled in a junk yard, and how asphalt to make a road can be recycled too. At the Junk Yard, the operations are explained by Greg, a grapple truck, at the road repair site, Chewy, a pavement profiler, slimy, an asphalt paver, and roller,an asphalt roller work together.
Pallet crafts are crafts and projects which use discarded wooden shipping pallets. Wooden pallets are often used for shipping products, but when these get old, they are often thrown away. However, there are many ways to recycle old pallets. Issue 14 of ReadyMade Magazine issued out a MacGyver challenge to find some way to reuse shipping pallets ...
Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...
The rotary kiln consists of a tube made from steel plate, and lined with firebrick. The tube slopes slightly (1–4°) and slowly rotates on its axis at between 30 and 250 revolutions per hour. Rawmix is fed in at the upper end, and the rotation of the kiln causes it gradually to move downhill to the other end of the kiln.
This Old House has been providing solid advice to homeowners since 1979. Their YouTube channel hosts more than 2,200 videos — some of the most trusted and watched educational videos on the internet.
A bush-hammered concrete surface. Bush hammers exist in many forms, from simple hand-held hammers to large electric machines, but the basic functional property of the tool is always the same – a grid of conical or pyramidal points at the end of a large metal slug.
Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.
In order to strengthen the concrete containers, he experimented with embedded iron mesh. He was not the first to experiment with reinforced concrete, but he saw some of the possibilities in the technique, and promoted it extensively. Monier exhibited his invention at the Paris Exposition of 1867. He obtained his first patent on 16 July 1867, on ...