It's not precisely a load-bearing wall. That is, it's definitely bearing *some* load -- evidently, since it helped straighten the roof :P -- but it's not required for the house to be structurally sound. It's not structural.
I googled dwang, and I've never seen a wall built like that before! I've seen blocking between studs, but it's nowhere near as regular -- I think it's usually put in places where you may want to anchor cabinets or something later, or if you have to attach a strange piece of sheathing. It also shows up in really tall walls.
Now, both the exterior sheathing and the interior drywall have to meet structural code requirements -- that's the protection against sheer forces. And new houses built in this part of the country often have exterior and structural walls reinforced with metal straps, though smaller than the ones you describe.
Now, big commercial and public buildings, like the school you describe -- there I've seen the big diagonals, especially in steel stud construction.
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It's not precisely a load-bearing wall. That is, it's definitely bearing *some* load -- evidently, since it helped straighten the roof :P -- but it's not required for the house to be structurally sound. It's not structural.
I googled dwang, and I've never seen a wall built like that before! I've seen blocking between studs, but it's nowhere near as regular -- I think it's usually put in places where you may want to anchor cabinets or something later, or if you have to attach a strange piece of sheathing. It also shows up in really tall walls.
Now, both the exterior sheathing and the interior drywall have to meet structural code requirements -- that's the protection against sheer forces. And new houses built in this part of the country often have exterior and structural walls reinforced with metal straps, though smaller than the ones you describe.
Now, big commercial and public buildings, like the school you describe -- there I've seen the big diagonals, especially in steel stud construction.