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8/8/2019 Experiment on Masonry Building
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Full Scale Testing onFull Scale Testing on
Indonesian Reinforced MasonryIndonesian Reinforced Masonry
HouseHouse
RIHS Research TeamRIHS Research TeamFriday, November 12, 2010Friday, November 12, 2010
M I N I S T R Y O F P U B L I C WM I N I S T R Y O F P U B L I C WK SK S
AGENCY FOR RESEARCHAGENCY FOR RESEARCHDEVELOPMENTDEVELOPMENT
RESEARCH INSTITUTE FOR HURESEARCH INSTITUTE FOR HUSETTLEMENTSSETTLEMENTS
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BACKGROUNDBACKGROUND• Indonesia is an earthquake prone area
• Many public houses that were damaged byearthquake
• Technical guidelines for earthquake
resistant houses that circulate in thecommunity has not been tested inlaboratory
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OBJECTIVEOBJECTIVE
• Knowing the reliability of earthquake-
resistant houses under the technicalguidance that circulate in the community
• Provide recommendations on earthquake-resistant brick house that has been testedto the community
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Scope of ResearchScope of ResearchStartStart
Preparation ofPreparation of
specimenspecimen
Evaluation of existingEvaluation of existingearthquakeearthquake--resistant housingresistant housing
designdesign
Testing ofTesting of
specimenspecimen
MaterialMaterial Full Scale HouseFull Scale House
Analysis &Analysis &
EvaluationEvaluation
RecommendationRecommendation
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Evaluation of existing earthquakeEvaluation of existing earthquake--
resistant housing designresistant housing design
• Design reference:
Buku Saku Persyaratan Pokok Rumahyang Lebih Aman, 2009.
(Hand Book of Principal Requirement for
Safer Houses) published by Ministry ofPublic Works, JICA and ProvincialGovernment of West Sumatera)
• 36 m2 Reinforced masonry house
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SpecificationSpecification
• Concrete : 1 PC : 2 Sand : 3 Gravel +0.5
Water• Mortar : 1 PC : 4 Sand
• Reinforcing Steel, round bar, fy = 240 MPa
• Brick : Compressive Strength = 5 MPa
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LayoutLayout
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Section 1-1
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Section B-B
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Section BSection B--BB
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Tie BeamDimension : 15 cm x 20
cm
Main reinforcing : 4 φ 10 mmStirrup : φ 8 mm -150
Concrete cover : 15 mm
Dimension : 15 cm x 15 cm
Main reinforcing : 4 φ 10 mm
Stirrup : φ 8 mm -150
Concrete Cover : 15 mm
Column
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Ring Beam
Dimension : 12 cm x 15cm
Main Reinforcing : 4 φ 10 mm
Stirrup : φ 8 mm - 150
Concrete Cover : 10 mm
column
Tie beam
Column to tie beamColumn to tie beamconnectionconnection
Column to ring beam connectionColumn to ring beam connectionin cornerin corner
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DetailingDetailing
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Preparation of specimensPreparation of specimens
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Preparation of specimensPreparation of specimens
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Preparation of specimensPreparation of specimens
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18Anchorage every 6 layer
Preparation of specimensPreparation of specimens
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Preparation of specimensPreparation of specimens
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SCOPE OF TESTINGSCOPE OF TESTING
• Material Testing
– Brick testing
– Reinforcing steel testing
– Concrete testing
– Mortar testing
• Full Scale Testing
– Reinforced masonry house
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•• Compressive strength of brickCompressive strength of brick
– – Based on SII 0021Based on SII 0021--7878 – – 16 samples16 samples
•• Horizontal shear strength of brickHorizontal shear strength of brick – – Based on SNI 03Based on SNI 03--41644164--19961996
– – 3 samples with plaster3 samples with plaster – – 3 samples without plaster3 samples without plaster
•• Diagonal shear strength of brickDiagonal shear strength of brick – – Based on SNI 03Based on SNI 03--41644164--19961996
– – 3 samples with plaster3 samples with plaster
– – 3 samples without plaster3 samples without plaster
Brick TestingBrick Testing
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Compressive strength of brickCompressive strength of brick
Rapid testing ofRapid testing of
compressive strength ofcompressive strength ofbrickbrick
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Compressive strength of brickCompressive strength of brick
Failure patternFailure pattern
Failure patternFailure pattern
Failure patternFailure pattern
Set UpSet Up
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Horizontal Shear Strength TestHorizontal Shear Strength Test
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Horizontal Shear Strength TestHorizontal Shear Strength Test
With plasterWith plaster Without plasterWithout plaster
Failure patternFailure pattern Failure patternFailure pattern
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Diagonal Shear Strength TestDiagonal Shear Strength Test
Shear Area P max Shear Strength Shear Modulus
mm2 N MPa MPa
With Plaster
1 90805 203500 2.24 0.0184 122
2 90480 168000 1.86 0.0166 111.75
3 89440 139100 1.56 0.0177 87.87
average 1.88 107.21Without Plaster
1 64090 27200 0.42 0.0077 54.95
2 64090 23900 0.37 0.0081 46.08
3 64090 25300 0.39 0.0059 66.91
average 0.40 55.98
No.
SampleStrain
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Diagonal Shear Strength TestDiagonal Shear Strength Test
With plasterWith plaster Without plasterWithout plaster
Failure patternFailure pattern Failure patternFailure pattern
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Reinforcing Bar TestingReinforcing Bar Testing
• Tensile strength test
– Based on SNI 07-2529-1991 tentang MetodePengujian Kuat Tarik Baja Beton
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Yield and Ultimate StrengthYield and Ultimate Strength
Yield Ultimate Yield Ultimate
(mm) (mm2) (N) (N) (MPa) (MPa)
BU-1 9.80 75.430 26500 28800 351.32 381.81
BU-2 9.80 75.430 27300 42000 361.93 556.81
BU-3 9.80 75.430 27200 42200 360.60 559.46
BU-4 9.80 75.430 27200 42600 360.60 564.76
BU-5 9.80 75.430 25900 38800 343.37 514.39
Average 355.56 515.45
Strength
Kodeø As
Load
Yield Ultimate Yield Ultimate
(mm) (mm2) (N) (N) (MPa) (MPa)
BU-1 7.60 45.365 15500 23800 341.68 524.64BU-2 7.60 45.365 15200 23500 335.06 518.03
BU-3 7.60 45.365 15300 23600 337.27 520.23
BU-4 7.60 45.365 15000 23600 330.65 520.23
BU-5 7.60 45.365 15200 23600 335.06 520.23
Average 335.94 520.67
Strength
Kodeø As
Load
Average yieldAverage yield
strength ofstrength of φ8 and8 andφ110 reinforcing bar0 reinforcing bar
= 335.94 MPa &= 335.94 MPa &
355.56 MPa higher355.56 MPa higher
than spec, fy 240than spec, fy 240
MPaMPa
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Concrete TestConcrete Test
• Compressive Test
– Based on SNI 03-1974-1990 tentang ”MetodaPengujian Kuat Tekan Beton”
SlumpSlumptesttest
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Compressive Test
DataFoundationFoundation
Tie BeamTie Beam
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Ring BeamRing Beam
ColumnColumn
Compressive Test
Data
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Mortar TestMortar Test
• Compressive Test
– Based on SNI 03-1974-1990 tentang ”MetodaPengujian Kuat Tekan Beton”
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Mortar for PlasteringMortar for Plastering
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Full Scale Reinforced MasonryFull Scale Reinforced Masonry
TestingTesting
• Set up
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Preparation of specimensPreparation of specimens
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Hystertic Loop Lateral Load vs Lateral Deformation North Side Wall
-60
-40
-20
0
20
40
60
-150 -100 -50 0 50 100 150
Lateral Deformation (mm)
L a t e r a l L o a d
( t f )
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Hystertic Loop Lateral Load vs Lateral Deformation South Side Wall (CH - 4)
-60
-40
-20
0
20
40
60
-150 -100 -50 0 50 100 150
Lateral Deformation (mm)
L a t e r a l L o a d (
t f )
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Hystertic Loop Lateral Load vs Lateral Deformation South Side Wall (CH - 6)
-60
-40
-20
0
20
40
60
-150 -100 -50 0 50 100 150
Lateral Deformation (mm)
L a t e r a l L o a d (
t f )
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ConclusionConclusion
To be discussed…..