Hold down system and building using the same
A building includes a stud wall including a first bottom plate; a foundation; a tie rod operably anchored in the foundation and extending through the first bottom plate within the stud wall; a first bridge member disposed on the first bottom plate, the first bridge member having an opening through which the tie rod extends; a pair of spaced apart reinforcement studs; and the pair of spaced apart reinforcement studs including bottom ends bearing on the first bridge member.
1. A building, comprising:
a) a first stud wall including a first bottom plate disposed on top of a foundation;
b) a threaded anchor rod operably anchored in the foundation and extending through the first bottom plate within the first stud wall;
c) a first bridge member disposed on the first bottom plate, the first bridge member having a first opening, the threaded anchor rod including an end portion extending through and past the first bridge member;
d) a coupling separate from the first bridge member;
e) the coupling directly connecting the end portion of the threaded anchor rod to an end portion of a threaded tie rod, the threaded tie rod extending upwardly from the coupling in the first stud wall;
f) a pair of spaced apart studs;
g) the pair of spaced apart studs including bottom ends bearing on the first bridge member;
h) a second bridge member having a second opening, the tie rod extending through and past the second opening, the second bridge being disposed above and spaced from the first bridge member;
i) a fastener attached to the tie rod to bear down on the second bridge member; and
j) the pair of spaced apart studs including top ends, the second bridge member bearing on the top ends; and
k) a metal bearing plate disposed between the second bridge member and the fastener.
2. The building as in claim 1 , wherein the fastener includes a nut.
3. The building as in claim 1 , wherein the first bridge member is made of metal.
4. The building as in claim 1 , wherein the second bridge member is made of metal.
5. The building as in claim 1 , and further comprising a fastener threaded to the threaded anchor rod and bearing on the first bridge member.
6. The building as in claim 5 , wherein the fastener includes a nut.
7. A building, comprising:
a) a first stud wall including first and second vertical studs with respective first and second top ends;
b) a foundation;
c) a tie rod operably anchored in the foundation;
d) a second stud wall disposed above the first stud wall;
e) a first metallic bridge member disposed on and supported by the first and second top ends, the first bridge member having a first opening, the tie rod extending from the foundation through the first opening and past the first bridge member to the second stud wall; and
f) a fastener attached to the tie rod to bear on top of the first bridge member to tension the tie rod.
8. The building as in claim 7 , wherein:
a) the second stud wall includes a second bottom plate;
b) a second bridge member with a second opening is disposed on the second bottom plate; and
c) the tie rod extends through the second opening past the second bridge member.
9. The building as in claim 8 , wherein:
a) the second stud wall includes third and fourth vertical studs with respective third and fourth top ends;
b) a third bridge member with a third opening is disposed on the third and fourth top ends; and
c) the tie rod extends through the third opening past the third bridge member.