Type of Structural System

R

Type of Structural System

R

REINFORCED CONCRETE
STRUCTURES

1.MONOLITHIC

BUILDINGS WITH BRICK MASONRY BEARING WALLS

·         Reinforced masonry walls with cast-in-place reinforced concrete slabs and tie beams

0.30

·         Frame-beam structures with reinforced concrete shear walls

0.25

·         Reinforced masonry walls with precast floor panels and cast-in-place reinforced concrete tie beams

0.35

·         Frame-beam structures with brick walls participating in seismic force resistance

0.30

·         Flat plate structures with  reinforced concrete shear walls

0.28

·         No reinforced or partially reinforced masonry walls with cast-in-place concrete slabs and tie beams

0.40

·         Flat plate structures with frames

0.25

·         One-span frame structures

0.25

·         No reinforced or partially reinforced masonry walls with prefabricated floor panels and cast-in- place reinforced concrete tie beams

0.50

·         Frame structures with two or more spans

0.20

·         Shear wall buildings constructed with large-scale formwork, tunnel formwork, sliding formwork, etc.

0.25

SPECIALLY DESIGNED STRUCTURES

 2.PREFABRICATED STRUCTURES

·         Silos, bunkers tanks, and other similar rigid structures:
(a) reinforced concrete
(b) steel

0.25
0.20

·         Large-panel structures

0.25

·         Frame-panel structures

0.22

·         Frame-beam structures with shear walls

0.25

·         Tall structures such as chimneys, masts, towers, scaffold bridges, and others:
(a) reinforced concrete
(b) steel

0.25
0.28

·         Flat plate structures with shear walls and frames

0.28

·         Single-story and two-story frame structures where seismic force resistance is provided by the columns

0.28

·         Retaining walls:
(a) concrete
(b) reinforced concrete

 
0.28
0.25

·         Multistory frame structures with rigid joints

0.25

·         Water and intake towers:
(a) reinforced concrete
(b) steel

 
0.38
0.30

STEEL STRUCTURES 

·         Dams:
(a) earth-fill dams and rock-fill dams
(b) concrete and reinforced concrete dams

 
0.25
0.30

·         Frames with rigid joints

0.20

·         Frame Structures where seismic force resistance is provided by the columns

0.22

·         Other types of hydro technical structures

 0.25

·         Frame structures with reinforced concrete shear walls or rigid cores 

0.25 

·         Bridges and other types of transportation structures

 0.25

·         Underground structures

 0.25