International Symposium 28 th at Fachhochschule …...International Symposium 28 th at...
Transcript of International Symposium 28 th at Fachhochschule …...International Symposium 28 th at...
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International Symposium 28th at Fachhochschule ErfurtErfurt German, 30-31 January 2007
Appropriate Building Construction and
f y
Appropriate Building Construction and Reduction of Tsunami Impact for Pancer, East Java
Rizal Kurniady email : ijal in207@yahoo comRizal Kurniady, email : [email protected] , email : [email protected]
Supervised by Dr Ir Herlien D SetioDr. Ir. Herlien D. Setio
Dr. Ir. Iswandi Imran, M.Sc, Ph.D
Civil Engineering DepartmentFaculty of Civil Engineering and Environmental
Institut Teknologi BandungInstitut Teknologi Bandung
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INTRODUCTION TO PANCER• Fishermen village
• Population ± 4000 people
• Marginal Economyg y
• Main Activity :
– Fishery
l i– Plantation
Problem StatementProblem Statement• Prone to Earthquake and Tsunami Hazards
I i ifi t t l t ti t d• Insignificant coastal protection to reduce
Tsunami impact
• Existing constructions (houses and buildings)
are unable to withstand earthquake forces
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TSUNAMI HAZARD Structural Problems( Earthquake Hazard)Max run up :
• Latief (2000) = 5 m( q )
• Latief (2000) = 5 m• Tsuji, et.al (1995) = 9,4 m
Max Inundation • 500 m (Latief, 2000)
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Green Belt Design with Shuto (1987)
Graphic 1: Green Belt Width
Graphic 2: Green Belt Density
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Green Belt Design with Shuto (1987)
Graphic 3 : Diameter of Green Belt Tree Green
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Existing Green Belt Layout Vs Min. Green Belt Layout
width 0-20 m, b-2 zone
width 20-40 m, 0-20 m (c zone)
width 40-60 m, 20-40 m (c zone)
width 60-80 m, 40-0 m (c zone)
Settlement Public Facilitiies
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Early Warning & Evacuation System for TsunamiEarly Warning System• EWS starting time subside of water level on shore
• Existing EWS: Guard Post on coast (Manual EWS)
• Suggestion for future development: Automatic EWSSuggestion for future development: Automatic EWS
Evacuation SystemEvacuation System• Evacuation lines: Fastest and Easiest route to
highlands• Design input: Topographic map, Field SurveyDesign input: Topographic map, Field Survey• Design output: Hapsak Sammy
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Concept of Appropriate Construction(FEMA 232)• Ductility• Ductility
• Strength and Stiffnessg• Load Path• Considerations:• Considerations:
– Financial CapacityC lt l B h i– Cultural Behavior
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Soil Testing Results
14
3
22
4
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Problem Statement and Alternative for Solution
bl• Main problem : EarthquakeId l S l ti• Ideal Solution (FEMA 232):– Simple rectangular shapeSimple rectangular shape– Bracing walls distributed
uniformly and symmetrically through the housethrough the house
– No large concentrations of weightWell Integrated Structure– Well Integrated Structure
– Ductile System
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Alternative for Construction Material: Bamboo
Characteristics With Node Without nodeCharacteristics With Node Without node
Compressioncapacity
45 MPa 32 MPa
Tension capacity 180 MPa 220 MPa
Shear modulus 18 MPa 16 MPa
Modulus of Elasticity 7000 MPa -
Modulus of rupture 9.8 MPa -
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Example of Structural Model
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Concept
Capacity + Integrity = ContinuityCapacity + Integrity Continuity
• Capacity ~ Bamboo size, shape, quality• Integrity ~ Joint configuration and capacity
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Example of Design for Load PathExample of Design for Load Path
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Example of Appropriate Connection
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Affordability
Rough Cost Estimation Bamboo House spend• ~15 million IDR w/ Worker Commission15 million IDR w/ Worker Commission• ~12 Million IDR w/o Worker Commission• 12 Million IDR w/ Free Bamboo m &• ~12 Million IDR w/ Free Bamboo.m &
Worker Commission• ~8 Million IDR w/ Free Bamboo.m & w/o
Worker Commission
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Conclusion
• Green Belt = Effective, yet damage may still occur to both GB and Land
• Bamboo = OK, but its tendency to split should be handled with care s ou d be a d ed t ca e
• Load Path should be the main focus of all structuresstructures
• Continuity = Capacity + Integrity
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Acknowledgements• Prof. Bambang Budiono Ph.D• Dr. Ir. Wayan y• Dr. Ir. Bigman M. Hutapea• Dr -Ing Widjaja Martokusumo• Dr. -Ing. Widjaja Martokusumo• Andry Widyo Wijatnoko