You will get a thin layer of asphalt or epoxy (if it is an epoxy type sealer) on top of your concrete. I wouldn’t expect a great finish as most asphalt sealers expect asphalt beneath them. It will probably grab well in some places but not in others. Also, it will probably stain your concrete …
Continue reading “What will happen if you pour an asphalt sealer over a concrete driveway?”
Yes, but it isn’t your best choice. Using solid concrete blocks is very much like using stone walls as a foundation. Either the ground or the blocks will need to be shaped to meet the needs of the building. Mostly nowadays we use either reinforced concrete or reinforced concrete masonry units (CMU). Both of these …
Yes, provided that the existing plywood is in serviceable or good condition. But, remember that you still want to nail it into the joists, not just the plywood below.
Rather as several others have mentioned the Earth would have ignited as star under the force of gravity. Due to the “surface” temperatures, you’d get to experience travel as a plasma or a gas cloud. As you moved along an essentially turbulent ocean of similar material you would notice (if somehow you retained consciousness) that …
Continue reading “What would traveling be like if the Earth were as large as the Sun?”
The tunnel size does not impact an earthquake, or at least not as a first order effect. The collapse of a tunnel could create a sinkhole, but for most cases your tunnel very close to the surface and/or have a very large tunnel. Unless this was a large event you probably wouldn’t notice it if …
Most architects and historians peg the beginnings of modern architecture (now being called mid-century modern) at the founding of the Bauhaus school in Germany. So 1919. Of course, Walter Gropius and Le Corbusier (two of the greatest modern architecture architects) were practicing before this time so you will find a few different answers.
Increasing the span decreases the loading bearing capability of the beam. To the degree depends on the nature of the loads, but the beam moment is likely to be affected most.
Steel has a coefficient of about 10.8 and concrete about 12. As mentioned before these are pretty close. But, they are different. In this case it is most likely that the concrete will be applying force to the steel rather than the other way around (with thermal stresses). When a material is constrained we can …
Generally speaking, any object less than 20 miles in length is more concerned by local conditions rather than earth curvature. And even at that, this is just the point earth curvature could become an issue.
This is a common example that engineers and material chemists love, but this is only part of the story. Individual wood fibers are roughly as strong as mild steel. The problem is that while steel exists as roughly a whole uniform crystallin composite, wood is an aligned fiber bundle held together by a cellulose matrix …
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