Project 1_Comparative study of different storey buildings for Seismic forces

1)AIM:-

Factors influencing the dynamic characteristics of a building

Factors influencing the Natural Period of a building

Factors influencing the Mode shape of oscillations

RESULT-

CRITERIA

MODEL

RESULT

EFFECT OF STIFENSS OF TIME PERIOD	BUILDING-E(10 STOREY WITH VARRING COLUMN) BUILDING-F(10 STOREY WITH UNIFROM COLUMN)	1.73 S 1.735 S
EFFECT OF STIFENSS OF TIME PERIOD	BUILDING-G(25 STOREY WITH VARRING COLUMN) BUILDING-H(25 STOREY WITH UNIFROM COLUMN)	4.133 S 4.425 S

CRITERIA	MODEL	RESULT
EFFECT OF MASS ON TIME PERIDE	BUILDING-H(25 STOREY WITH 3 KN/SQ.N IMPOSD LOAD ) BUILDING-J(25 STOREY WITH 3.3 KN/SQ.N IMPOSD LOAD ) BUILDING-K (25 STOREY WITH 3.6 KN/SQ.N IMPOSD LOAD )	4.416 S 4.425 S 4.435 S

CRITERIA	MODEL	RESULT
effect of building height on time period	BUILDING -A(2 STORY) BUILDING-B(5 STORY) BUILDING-F(10 STORY) BUILDING-H(25 STORY)	0.5 S 1.036 S 1.735 S 4.425 S

CRITERA	MODEL	CASE	RESULT
EFFECT OF FLEXURAL STIFFNESS OF STR ELEMENTS ON MODE SHAPES	BUILDING B	FLEXURAL STIFFNESS OF BEAM CLOSE TO NIL FLEXURAL STIFFNESS OF BEAM- REGULAR	2.6 S 1.03 S

CRITERA	MODEL	CASE
EFFECT OF DEGREE OF FIXITY AT COLUMN BASE OF MODE SHEAPE	BUILDING B	COLUMN SUPPORT PINNED COLUMN SUPORT FIXED

RESULT

1.03 S 0.941 S