Basic
Structural System
|
Description
of Latcral Force Resisting System |
R |
a. Bearing Wall
System |
1. Light framed walls with shear panels
ⅰ) Plywood walls for
structures, 3 storeys or less
ⅱ) All other light framed walls
2. Shear walls
ⅰ) Concrete
ⅱ) Masonry
3. Light steel framed bearing walls with tension only bracing
4. Braced frames where bracing carries gravity loads
ⅰ) Steel
ⅱ) Concrete
ⅲ) Heavy timber |
8
6
6
6
4
6
4
4 |
b. Building Frame
System |
1. Steel eccentric braced
frame (EBF)
2. Light framed walls with shear panels
ⅰ) Plywood walls for structures
3-storeys or less
ⅱ) All other light framed walls
3. Shear walls
ⅰ) Concrete
ⅱ) Masonry
4. Concentric braced frames (CBF)
ⅰ) Steel
ⅱ) Concrete
ⅲ) Heavy timber |
10
9
7
8
8
8
8
8 |
c.
Moment Resisting
Frame System |
1.
Special moment resisting frames (SMRF)
ⅰ) Steel
ⅱ) Concrete
2. Intermediate moment resisting frames (IMRF), concrete
3. Ordinary moment resisting frames (OMRF)
ⅰ) Steel
ⅱ) Concrete |
12
12
8
6
5 |
d.
Dual System |
1. Special moment resisting
frames (SMRF)
ⅰ) Concrete with steel or
concrete SMRF
ⅱ) Concrete with steel OMRF
ⅲ) Concrete with concrete IMRF
ⅳ) Masonry with steel or
concrete SMRF
ⅴ) Masonry with steel OMRF
ⅵ) Masonry with concrete IMRF
2. Steel EBF
ⅰ) With steel SMRF
ⅱ) With steel OMRF
3. Concentric braced frame (CBF)
ⅰ) Steel with steel SMRF
ⅱ) Steel with steel OMRF
ⅲ) Concrete with concrete SMRF
ⅳ) Concrete with concrete IMRF |
12
6
9
8
6
7
12
6
10
6
9
6 |
e.
Special Structural
Systems |
See Sec 1.3.2, 1.3.3, 1.3.5 |
|