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5/26/2014
1
DAVYSUKAMTA & PARTNERSStructural Engineers
Web: www.davysukamta.comEmail: [email protected]
DAVY SUKAMTA & PARTNERS, Structural Engineers
DAVY SUKAMTA & PARTNERS, Structural Engineers
Podium
Tower
Base Isolation
Seismic Gap
Plan and SectionOf Gudang Garam Tower
25-storySeismically Isolated Structure
Separation
Isolationlevel
DAVY SUKAMTA & PARTNERS, Structural Engineers
Plan of Base Isolators
16 nos HDRB HH130 -6R24 nos HDRB HH150-6R
HDRB
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Outrigger
RC core wall
NomorPeriodeGetar Nomor
Periode Getar Faktor Partisipasi Mass (%)
Ragam (detik) Ragam (detik) X-trans Y-trans Rz-rotn1 1.657 1 1.657 0.00 58.08 0.012 1.453 2 1.453 54.97 0.00 0.033 1.012 3 1.012 0.01 0.00 65.31
Fixed-base Structure
Nomor Periode Getar Faktor Partisipasi Mass (%)Ragam (detik) X-trans Y-trans Rz-rotn
1 4.233 0.00 99.05 0.002 4.160 99.20 0.00 0.183 3.454 0.18 0.00 99.81
Base-isolated Structure
Dynamic Characteristic ofBased-Isolated vs Fixed-Base Structure
OutriggerColumn
1.657 sec → 4.233 sec
DAVY SUKAMTA & PARTNERS, Structural Engineers
Lateral Resistant System: RC Corewall+Outriggerand Seismic Steel Moment Frame, with HDRB
DAVY SUKAMTA & PARTNERS, Structural Engineers
Structural Scheme – Typical Floor
Tubular Core WallOutrigger Column
DAVY SUKAMTA & PARTNERS, Structural Engineers
Structural Scheme – Outrigger Floor
Shear Link
Outrigger Beam
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
ETABS Model BM Diagram of Core Wall
Shear Link
R1 Factor = 3/8 R
1.0 ≤≤≤≤ R1 ≤≤≤≤ 2.0
RC Core wall with OutriggerR = 3/8 x 6 = 2.25 2.0
DAVY SUKAMTA & PARTNERS, Structural Engineers
Each bearing is tested in the manufacturer’s lab
DAVY SUKAMTA & PARTNERS, Structural Engineers
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers DAVY SUKAMTA & PARTNERS, Structural Engineers
DAVY SUKAMTA & PARTNERS, Structural Engineers
Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudangGudangGudangGudang GaramGaramGaramGaram TowerTowerTowerTower
Reference Code : ASCE 7-05Chapter 17 – Seismic Design Requirements for SeismicallyIsolated Structures
17.5 Equivalent Lateral Force
17.6 Dynamic Analysis
17.6.3.4 Response History (Non-Linear)
Earthquake Load:� DBE (475 yr return period) ≥ 2/3MCE� MCE (2475 yr return period)
DAVY SUKAMTA & PARTNERS, Structural Engineers
Dynamic Characteristic of theIsolated Tower
For preliminary analysis we use RSA methodFor final design we use NLRHA methodwith three pairs of GM
Recommended Response SpectraFor 2500-year EQ, 5% damping
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Isolation Interface
Isolation System
1R
VV bS =
DD DkVb max=
superstructure
sub-structure
DAVY SUKAMTA & PARTNERS, Structural Engineers
Point 7: The isolation system meets all of the following criteria
DAVY SUKAMTA & PARTNERS, Structural Engineers
Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudang Garam TowerGudang Garam TowerGudang Garam TowerGudang Garam Tower
DAVY SUKAMTA & PARTNERS, Structural Engineers
Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudang Garam TowerGudang Garam TowerGudang Garam TowerGudang Garam Tower
5/26/2014
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Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudang Garam TowerGudang Garam TowerGudang Garam TowerGudang Garam Tower
Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudang Garam TowerGudang Garam TowerGudang Garam TowerGudang Garam Tower
DAVY SUKAMTA & PARTNERS, Structural Engineers
Fixed Base Structure, GG Analysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudangGudangGudangGudang GaramGaramGaramGaram TowerTowerTowerTower
DAVY SUKAMTA & PARTNERS, Structural Engineers
Base Isolated Structure, GGAnalysis Analysis Analysis Analysis ---- ModelingModelingModelingModelingGudangGudangGudangGudang GaramGaramGaramGaram TowerTowerTowerTower
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Ground Motions / Time SeriesFor 3-D Analysis
-Selected GM must represent theEQ mechanism
-Scaled ofr the period of interest
DAVY SUKAMTA & PARTNERS, Structural Engineers
Seismic Sources:1. Subduction Megathrust
Megarthrust Andaman-
Sumatera
Mw=9.2 , a=4.70, b=0.83
Megarthrust Middle1 Sumatera
Mw=8.6 , a=4.71, b=0.88
Megarthrust Middle 2 Sumatera
Mw=8.5 , a=5.35, b=0.97
Megarthrust S Sumatera
Mw=8.2 , a=5.76, b=1.05
Megarthrust Jawa
Mw=8.1 , a=6.14, b=1.10 Megarthrust Sumba
Mw=7.8 , a=6.81, b=1.20
Megarthrust Timor
Mw=7.9 , a=9.09 b=1.60
Megarthrust South Banda Sea
Mw=7.4 , a=7.56 b=1.34
Megarthrust North Banda Sea
Mw=7.9 , a=6.86 b=1.20
Megarthrust North Sulawesi
Mw=8.2 , a=4.28 b=0.91
Megarthrust Philipine
Mw=8.2 , a=4.64 b=0.87
North Papua Thrust
Mw=8.2
East Molucca Sea
Mw=8.1
West Molucca Sea
Mw=7.9
Sulu Thrust
Mw=8.5
DAVY SUKAMTA & PARTNERS, Structural Engineers
5. Toru
6. Angkola
8. Sumpur
1.Seulimeum
13. Dikit
14. Ketaun
11. Suliti 15. Musi
16. Manna
17. Kumering
18.Semangko
19.Sunda
9. Sianok
7. Barumun
4. Renun
2. Aceh3. Tripa
10. Sumani
12. Siulak50. Palu-Koro
53. Poso
58. Lawanopo
57. Gorontalo
52. Walanae 55. Tolo thrust
51. Matano
54. Batui thrust
73. Sorong-Maluku
72. Sula-Sorong
71. Tarera-Aidun
70. Yapen
75. Ransiki74. Sorong
79 Highland thrust belt
77. Manokwari trench
76. Membrano thrust tbelt
78. Lowland34. Wetar back arc
36. Flores back arc
33. Semarang
34. Jogja30. Bumiayu
32. Cimandiri
31. Baribis
2. Active faults (that have been well identified)
Seismic Sources:
DAVY SUKAMTA & PARTNERS, Structural Engineers
Seismic Sources:
3. Shallow Background (0-50 km)
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Selected Ground Motion
Period of interest
DAVY SUKAMTA & PARTNERS, Structural Engineers
Event Characteristic Magnitude,Mw
Distance (km) ScaleFactor
PGA (g) Source
Chi Chi (1999) Megathrust zone 7.62 117 5.3 0.18 PEER
Chi Chi (1999) Benioff zone 7.62 118 5.7 0.26 PEER
Imperial
Valley(1994)
Shallow crustal 6.50 25 1.0 0.42 PEER
Selected Ground Motion
DAVY SUKAMTA & PARTNERS, Structural Engineers
NLRHA for base isolated tower
DAVY SUKAMTA & PARTNERS, Structural Engineers
R=2.0 CD=2.0
R=6.0 CD=5.0
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Seismic design detailings are put in place with strict supervision to the works, starting from foundation:- Confinement of pile steel rebar- Diameter of bend- Length of hook
DAVY SUKAMTA & PARTNERS, Structural Engineers
Base plate with long anchors and shear studs
DAVY SUKAMTA & PARTNERS, Structural Engineers
Installation of lower base plate
DAVY SUKAMTA & PARTNERS, Structural Engineers
Installation of upper base plateTolerance in level is 2mm
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Base plates with long bolts and shear connector
DAVY SUKAMTA & PARTNERS, Structural Engineers
Work on mat foundationfor the tower
DAVY SUKAMTA & PARTNERS, Structural Engineers
Base plates in placeRC Mat ready for casting
DAVY SUKAMTA & PARTNERS, Structural Engineers
Installation of coupling beamWith diagonal reinforcement
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Erection of RC Core Wall
DAVY SUKAMTA & PARTNERS, Structural Engineers
Erection of Steel Structure
DAVY SUKAMTA & PARTNERS, Structural Engineers
Swing Recorder
Connection of Steel Truss to Column
DAVY SUKAMTA & PARTNERS, Structural Engineers
Prequalified Moment Connection:Reduced Beam Section
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Detail of Column to Beam Connectionand RBS
Detail of Column ConnectionWith Full Penetration Weld
DAVY SUKAMTA & PARTNERS, Structural Engineers
During Construction and Completed Project
DAVY SUKAMTA & PARTNERS, Structural Engineers
Opening to facilitatethe transportation of HDRBsshould they be replacedin the future
DAVY SUKAMTA & PARTNERS, Structural Engineers
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers DAVY SUKAMTA & PARTNERS, Structural Engineers
Horizontal Displacement MeasurementDuring Final Inspection
DAVY SUKAMTA & PARTNERS, Structural Engineers
Vertical Displacement MeasurementDuring Final Inspection
DAVY SUKAMTA & PARTNERS, Structural Engineers
Surface Temperature MeasurementDuring Final Inspection
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Gap Measurement
DAVY SUKAMTA & PARTNERS, Structural Engineers
Isolated side
Non isolated
Isolated side
DAVY SUKAMTA & PARTNERS, Structural Engineers DAVY SUKAMTA & PARTNERS, Structural Engineers
Examples of good detailing practice
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
PURI MATAHARI TOWER
JAKARTA
27-storyBase-isolated structure
DAVY SUKAMTA & PARTNERS, Structural Engineers
Typical Floor Plan
DAVY SUKAMTA & PARTNERS, Structural Engineers
Section B-B
Isolation Level
DAVY SUKAMTA & PARTNERS, Structural Engineers
Elevation View Section A-A
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Site-Specific response Spectra
Soil Profile
DAVY SUKAMTA & PARTNERS, Structural Engineers
Base Isolation Plan
7 nos.HT070x6R
9 nos.HT120x6R
10nos.HT130x6R
12nos.HT160x6R
DAVY SUKAMTA & PARTNERS, Structural Engineers
Sections at Isolation Level
DAVY SUKAMTA & PARTNERS, Structural Engineers
Area Mode
Periode
Modal Participating Mass Ratios (%Mass)
(detik) Ux-Trans Uy-Trans Rt-trans
Tower
1 1.899 57.90 0.07 0.00
2 1.755 0.06 59.96 1.11
3 1.308 0.01 0.50 65.13
Base-isolated Structure
Fixed-based Structure
1.899sec 3.755sec
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Separation
At ground Floor
B
DAVY SUKAMTA & PARTNERS, Structural Engineers
Section AGap at Basement Floor
DAVY SUKAMTA & PARTNERS, Structural Engineers
Section B Gap at Ground Floor
DAVY SUKAMTA & PARTNERS, Structural Engineers
Elevation View
Separation
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Typical Podium Parking Framing Plan
Honey Comb 800 mm
DAVY SUKAMTA & PARTNERS, Structural Engineers
Outrigger Scheme
Outrigger Beam@ two locations
along the building height
DAVY SUKAMTA & PARTNERS, Structural Engineers
Section (Honey Comb)
DAVY SUKAMTA & PARTNERS, Structural Engineers
Typical Office Floor Framing Plan
Truss Total Depth = 1.3 m
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Section (Office Floor
Truss)
DAVY SUKAMTA & PARTNERS, Structural Engineers
ETABS models for tower and basement
DAVY SUKAMTA & PARTNERS, Structural Engineers
ETABS Model BM Diagram of Core Wall
DAVY SUKAMTA & PARTNERS, Structural Engineers
Alternative Location for Base
Isolation Floor
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
Scheme 1
DAVY SUKAMTA & PARTNERS, Structural Engineers
Scheme 2
DAVY SUKAMTA & PARTNERS, Structural Engineers
Fixed-Base Isolated Base
V=77436 kN
V=12906 kN
V=39946 kN
V=19973 kN
Non-linear Push-over Analysis
Direction
DAVY SUKAMTA & PARTNERS, Structural Engineers
Fixed-Base Isolated Base
V=12906 kN
V=77436 kN
V=39946 kN
V=19973 kN
Non-linear Push-over Analysis
Direction
5/26/2014
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DAVY SUKAMTA & PARTNERS, Structural Engineers
PURI MATAHARI DJARUM HEAD OFFICE
Under Construction Coming Soon
DAVY SUKAMTA & PARTNERS, Structural Engineers
http://www.davysukamta.com
TTTTHANK YOUHANK YOUHANK YOUHANK YOU
News / Articles / Base-isolation Manila
Web: www.davysukamta.comEmail: [email protected]