In addition, conventional racking materials for ground-mount systems (metal and concrete) have high embodied energies and play a major role in the environmental impact of a PV system [37]. Thus, in order to fulfill the promise of distributed DIY and plug-and-play solar, what is needed is ...
Hand Tools Glossary Power Tools Glossary Asbestos Glossary Woodwork Glossary Stair Glossary Concrete Glossary Masonry Glossary doors Glossary BuilderBill Books Building Maths Stair Design Asbestos Book Calculator Pages. Concrete yardage calculator Reader's Questions. Questions and answers.Abou...
If you were going to anchor these into a concrete wall (instead of shimming), how would you do it? Reply Pete October 12, 2015 at 10:38 am Hmmm. I’d probably secure some plumber strapping (you know, the roll of steel ribbon with holes in it) to the wall with tapcon screws or ...
2.) A horizontal member, such as a steel plate fixed to a masonry or concrete wall to carry the end of a beam or to attach a beam to other members. 3.) A horizontal member, either at the top or bottom of a wall frame. Known as top plates or bottom plates. 4.) A board fixe...
“I don’t live in Colorado. How much juice will I get out of it whereIlive?”This part is fun: The National Renewable Energy Lab runs a great, free calculator calledPVWattsthat does it all for you: factoring in average weather and solar angles in your area, even allowing you to spec...
7.The engineer pointed out, “tosome degree, the more functions a calculator has, the morelikely(like)it is to be out of order.” 这位工程师指出:“某种程度而言,计算器的功能越多,它越有可能出故障。” 8.Wehave contacted(contact)each otherne...
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A wooden molding with a concave face that is fixed to cover the internal walls to ceiling joints. UK and Australian terminology. Scribed Joint A joint between two mouldings that has one or them cut to the shape of the other. Usually this is done with a coping saw, hence it's alternati...
The underside of a wide helical stair out of all steel construction. Seen at Greenwich Observatory, London UK. As soon as the radius of the spiral increases and with it the width of the stairway then unlike the small and dangerous spiral above, it has the potential to become a thing of ...