Lecture 1 Concrete - 4 Usakti September 2013

8/9/2019 Lecture 1 Concrete - 4 Usakti September 2013

1/11

Term1:

Sept.Okt.2013

SugengWijanto,Ph.D.

4September2013

JurusanTeknikSipil

FTSPUSAKTI

StrukturBetonBertulang-1

MateriKuliah

SBB-1

Semester3Tahun2013

TermPertama(6x

TatapMukadan2-3Tugas):

1.DasarPerenc

anaanBetonBertulangB

alok

Lentur

2.Analisa

dan

Perencanaan

BalokB

iasa

dengan

Tula

ngan

Tunggal&

Tulangan

Rangkap

3.AnalisadanPerencanaanTulanganG

eser

Lentur

4.AnalisadanPerencanaanTulanganG

eser

danMemanja

ngAkibatMomenTorsi

SI-UNITS:L

ENGTH

Span

:mm

(m

illimeter)

m

(meter)

Elementdimension

:mm

(m

illimeter)

F

ORCE,LOAD

N

(Newton);kN

(kilo-Newton)

1kg

=

1

x9

.81

=

9.8

1N

1ton=

103x9

.81

=

9.8

1

x103N

=9

.81kN

S

TRESS

MPa

(1MPa=1MN/m2=1

N/mm

2)

D

ENSITY

kN/m3

DaftarPustaka:

Ba

danStandarisasiNasional,Ta

taCaraPerencanaan

StrukturBetonUntukBangunanGedung,

SN

I03-2487-2002

ACI

Committee

318-2011,

Building

Code

Re

quirementsforStructuralCon

crete&

Commentary

+N

otesonACI318

R

einforced

Concrete,

5th

edition,

Pearson

InternationalbyJ.K.WightandJ.GMacGregor

Reinforced

Concrete

Structure

s,John

Wileyand

So

ns,1975,byPark&Paulay

Design

ofConcrete

Structures,latestedition,by

Nilson&Winter


2/11

1.MATERIAL

PROPERTIESOF

CONCRETE&

REINFORCEMENT

ConcreteProjects

:

WhatIsConcrete:

AmixtureofCement,Wate

r,Aggregate

(fineandcoarse)andAdmixtures

3

mainfactorsthatdictatethedesignofconcretemixes:

-Economicviability

-Usabilityofthefreshconcrete

-Strengthanddurabilityofthehard

enedconcrete

Thereare3maintypesofch

emicaladmixture:

-Airentrainingagents

-Setcontrollingad

mixtures

-Plasticizers

C

oncreteAdmixture

s:


3/11

FactorsInfluen

cingTheConcreteStren

gth:

ConcreteMicrostructure,PropertiesandMaterials

byMehtaPKandMonterioPJM3rded2006

ConcreteMicrostructure,P

roperties

andMaterialsbyMehtaPKand

MonterioPJM3rded2006

CompositionforDifferentConcreteGrades:

2055MPa

Con

creteCracking/Defects?


4/11

MechanicalProp

ertiesofConcrete

Ready-mixPlant

PreparationofCylindersa

mples

MeasureTemperature

Notmorethan380

Slump-test

CylinderSample

Concre

teCompressiveStrengthTest:

Commo

nCrackPatterns

ASTMC39-96

Curing

Mechan

icalPropertiesofC

oncrete

SNI03-2487-2002;Pasal10.5.

Correlationfrom

CubetoCylindersample:0.83

Ultim

atestraincu


5/11

Tensileand

fracturebehavior

Relationshipbetweentensile

andcompressivestrength

Concrete

Quality:

Mechan

icalPropertiesofS

teelRebar

TensileStrengthTest:

Ty

picalStressStrainrelationship

GradeofSteelRebar:

fy

=240MPa=2400kg/cm2~B

JTP24

Ba

jatulanganPolos(Plain)

6,8,10,12,16,19,22

fy

=400MPa=4000kg/cm2~B

JTD40/BJTS-40

Ba

jatulanganUlir(Deformed)

D-

1013161922252932

Dim

ensionAndGradeof

SteelRebar

SNI03-2487-2002;Pasal5.5.


6/11

120MPa

20MPa

(SNI03-2847-2002,chapter23)

1.25

SNI03-2847-2002,Chapter23

InstallationofColumnSteelRebar

s:

StressStr

ainGraphicof

ReinforcedConcreteMaterial

Steel

Concrete

ReinforcedConcrete


7/11

StressStrainGraphicof

ReinforcedConcrete

Daktilitasperbandingan

antarasimpangan

maksimumrencanadengan

simpanganlelehawaldari

komponenstruktu

ryang

ditinjau.

Dalamperencana

anstruktur

bangunan,daktilitassangat

diperlukansehing

gastruktur

tidakakanmenga

lami

keruntuhansecaragetas

tanpamemberikantanda-

t a n d a a w a l t e r l e b i h d a h u l u

DaktilitasStruk

tur(DuctilityProvisions)

PROVIDERE-BARATTHET

ENSION

PARTS

Crackintensionarea

Reinforceme

ntintensionarea

M+

M+

StructuralEngineering

MOS

TOFINDONESIAN

REGIONS

AREINSEISMICPRON

EAREA


8/11

BadanPengawasanKeuangan

danPembangunan

StructuralFailuresInJogy

aEQ-2006

StirrupSpacing??

StructuralFailuresInJogy

aEQ-2006

STRUCTU

REFAILURES:STIEKE

RJASAMA

Jogya

EQ

2006

Softstoreycollapse.

ThecrumpledHilluxsuggestsanew

adventure

forScottyandCrumpycharactersinaN

ZTVcommercial!

PadangEQ2009


9/11

SoftStoreyFailure

Designvs.Reality

PerilakuBangunanStruktu

rRangkaBetonBertulangDengan

DindingPengisiD

ariBataTerhadapGempa

CornerShophousessufferedseveredamageafterPadangearthquake

2009

OtherShopHousesBuildings

PadangEQ2009

Ho

telinPadang


10/11

OtherBuildings

PadangEQ

2009

SoftStorey

Failure

TheRoyalPalmResort

Guam,8August1993(RS8.1)

ConstructionMethod

India,20

01

BeamColumnJointTest


11/11

DetailYangP

erluDiperhatikan

P

elatLantai

Balok

PortalBeton

Bertulang

Fondasi

Kolom

Dinding

Pengisi

InformationfromGistamareferenceprojects,ACI,AucklandUniversityConcrete

Notes,datawereusedinthispre

sentation,theircontributionsaregratefully

ac

knowledged

AnyQuestion?

Letusbemorep

reparedforyourfuture

Documents

Lecture 1 Concrete - 4 Usakti September 2013