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8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 114
983097983087983091983087983090983088
Response to Support Motion
1 Support Displacement
k
similar to forced vibration
It is more common to represent support motion in terms ofsupport acceleration
m
k(y-x) m
k
2 Support Acceleration
x and y are absolute coordinates
based on a fixed reference
system
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 214
983097983087983091983087983090983088
Free Body Diagram
FS = force on spring based on relative displacement
=
FD = force on damper based on relative velocity
= c
FI = Inertia force based on absolute acceleration
=
FS FD FI
Dynamic Equilibrium
Define ndash coordinate based on fixed support ie relative
coordinate
Note or
also
Hence c
or
(1)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 314
983097983087983091983087983090983088
The system can be thought of as
983110983113983128983109983108
One special case of base excitation is that of harmonicsupport displacement How much of the support motion istransmitted to the mass
(due to Harmonic Excitation)
Response from equation (1)
983128
983161
If
TRANSMISSIBILITY
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 414
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 514
983097983087983091983087983090983088
Plot of Tr vs
Note All curves pass through the same point at 2
Damping tends to reduce the effectiveness of
vibration isolation for 2
Frequency Ratio β =ω
ω
Transmissibility vs frequency ratio for vibration isolation
Note λ = ζDamping ratio
In terms of relative motion the response is
subs in Eq (2a)
sin θ
1 2
x(t) = x0sint
m
u
FIXED
=
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 214
983097983087983091983087983090983088
Free Body Diagram
FS = force on spring based on relative displacement
=
FD = force on damper based on relative velocity
= c
FI = Inertia force based on absolute acceleration
=
FS FD FI
Dynamic Equilibrium
Define ndash coordinate based on fixed support ie relative
coordinate
Note or
also
Hence c
or
(1)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 314
983097983087983091983087983090983088
The system can be thought of as
983110983113983128983109983108
One special case of base excitation is that of harmonicsupport displacement How much of the support motion istransmitted to the mass
(due to Harmonic Excitation)
Response from equation (1)
983128
983161
If
TRANSMISSIBILITY
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 414
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 514
983097983087983091983087983090983088
Plot of Tr vs
Note All curves pass through the same point at 2
Damping tends to reduce the effectiveness of
vibration isolation for 2
Frequency Ratio β =ω
ω
Transmissibility vs frequency ratio for vibration isolation
Note λ = ζDamping ratio
In terms of relative motion the response is
subs in Eq (2a)
sin θ
1 2
x(t) = x0sint
m
u
FIXED
=
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 314
983097983087983091983087983090983088
The system can be thought of as
983110983113983128983109983108
One special case of base excitation is that of harmonicsupport displacement How much of the support motion istransmitted to the mass
(due to Harmonic Excitation)
Response from equation (1)
983128
983161
If
TRANSMISSIBILITY
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 414
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 514
983097983087983091983087983090983088
Plot of Tr vs
Note All curves pass through the same point at 2
Damping tends to reduce the effectiveness of
vibration isolation for 2
Frequency Ratio β =ω
ω
Transmissibility vs frequency ratio for vibration isolation
Note λ = ζDamping ratio
In terms of relative motion the response is
subs in Eq (2a)
sin θ
1 2
x(t) = x0sint
m
u
FIXED
=
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 414
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 514
983097983087983091983087983090983088
Plot of Tr vs
Note All curves pass through the same point at 2
Damping tends to reduce the effectiveness of
vibration isolation for 2
Frequency Ratio β =ω
ω
Transmissibility vs frequency ratio for vibration isolation
Note λ = ζDamping ratio
In terms of relative motion the response is
subs in Eq (2a)
sin θ
1 2
x(t) = x0sint
m
u
FIXED
=
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 514
983097983087983091983087983090983088
Plot of Tr vs
Note All curves pass through the same point at 2
Damping tends to reduce the effectiveness of
vibration isolation for 2
Frequency Ratio β =ω
ω
Transmissibility vs frequency ratio for vibration isolation
Note λ = ζDamping ratio
In terms of relative motion the response is
subs in Eq (2a)
sin θ
1 2
x(t) = x0sint
m
u
FIXED
=
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 614
983097983087983091983087983090983088
1 2
or
Maximum Relative Displacement =
1 2
Example The frame shown is subjected to a sinusoidalground motion 2 Determinea Transmissibility of motion to girderb Maximum shearing force in columnsc Maximum stress in columns
SolutionDetermine
2
21
21
1 1
1 1
15rsquo W8X20
W = 15k
2
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 714
983097983087983091983087983090983088
a)
21 (Absolute)
b) Determine maximum relative displacement
1 2 2
Max shear in column =
2 22
c) Max moment 22 1 12
σ MS
V M
U
DEM
Steady State Response
θ
where
θ
The force transmitted to the foundation ue an
t k yt an tbull Since these two forces are 90 degrees out of phase with each other it is
evident that the amplitude of the total base reaction force is given by
t t
Force transmitted to the foundation (support)
y
F(t) = F0sint
F0
AT
FT
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 814
983097983087983091983087983090983088
sin θ
where 2
Define Transmissibility of force
- ratio of amplitude of force transmitted to the
support to the amplitude of applied force ie F0
From previous results
Where = maximum acceleration transmitted to the oscillator
= maximum acceleration of the support (ground)
= maximum displacement of the support (ground)
= maximum displacement transmitted to the oscillator
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 914
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1014
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1114
983097983087983091983087983090983088
Objective To measure vibration of support (displacement
or acceleration)
Seismic Instruments (Principle of Seismographs)
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1214
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1314
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088
8102019 Part 02 - Support Motion - Transmissibility
httpslidepdfcomreaderfullpart-02-support-motion-transmissibility 1414
983097983087983091983087983090983088