7 votes

How does a church built from stones survive 70 years under water?

See the rubble around it? that's other buildings that were less robustly put together that fell apart. And you can see the first floor of another tower that did collapse. Older building techniques don'...
ratchet freak's user avatar
2 votes
Accepted

Determining the suitability of a timber joint in a given situation

By destructive testing of the different kinds of joints under different kinds and magnitudes of loads. This means that joints of various kinds are constructed, then loaded in a particular fashion ...
Conrado's user avatar
  • 235
1 vote

Determining the suitability of a timber joint in a given situation

Screws are not advised for connecting frames, They are too brittle. They are usually used only for decking or attaching accessories. Nails are recommended and there are standards on how much shear and ...
kamran's user avatar
  • 22.4k
1 vote

How does a church built from stones survive 70 years under water?

The first part of the answer should be that basically neither stone nor mortar are soluble in water, so stone, mortar or concrete structures can last for quite long in water even if they weren't ...
Pere's user avatar
  • 437

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