CRSI - Building Value With Reinforced Concrete
CRSI - Building Valuewith ReinforcedConcreteRob Kinchler, PEGreater Southwestern Regional Manager
CRSIFounded in 1924Industry PublicationsDesign andConstructionSupport
CRSI Design GuidesAvailable onwww.crsi.orgElectronic PDFHardcopy also availablePile CapsSpread FootingsRetaining WallsEconomical DesignVoided SlabFloor Vibrations
CRSI – Tech Notes
CRSI - Members Producers of Reinforcing Steel Fabricators of Reinforcing Steel Placers of Reinforcing Steel Suppliers of related products & services
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Topics for DiscussionRebar FabricationFundamentals of Reinforced ConcreteEconomics of Concrete BuildingsInnovative Systems
Rebar Fabrication
Inventory
Shear Line
Table BendingManual Bending
Auto BendingAutomatic (Coil)Bender
Unreinforced ConcreteStrong in compression
Unreinforced ConcreteWeak in tension
Unreinforced ConcreteWeak in shear
ReinforcingPerforms in compression Must be properly confinedExcellent in tensionExtremely ductile
Basic Beam TheoryPlainP
Placement of ReinforcementCAnywhere concrete might be in tension FLEXURET compressiontension
Placement of ReinforcementAnywhere concrete might be in tension VERTICAL SHEAR
Placement of ReinforcementAnywhere concrete might be in tension HORIZONTAL SHEAR
Placement of ReinforcementAnywhere concrete might be in tension COMBINED SHEARV MTension Compression
Placement of ReinforcementAnywhere concrete might be in tension COMBINED SHEARAAoptional arrangementsfor shear reinforcementSection A-A
Basic Beam TheoryPlainPReinforcedP
Placement of ReinforcementAnywhere concrete might be in tension OPENINGSStress concentration- crackingAdditionalreinforcement aroundopening
Placement of ReinforcementAnywhere concrete might be in tension CHANGE IN SHAPEStress concentration- crackingAdditional reinforcementwhere stress concentration occurs
Reinforcing Steel TodayCarbon SteelWeld SpecificationGalvanizedEpoxy CoatedEpoxy CoatedZinc Polymer MembraneStainlessLow-Carbon-Chromium
High Strength SteelGrade 60vs.Grade 80vs.Grade 100
Reinforcing Steel SpecificationsGrade 60 A615 – Plain carbon steelACI 318-19 Change Ultimate to 80 to match A706Change T/Y to be 1.10 to insure ductility A706 – Low alloy steel
High Strength ReinforcingGrade 80 ASTM A615oOnly in non-seismic applications ASTM A706oACI 318-19 Allows for Special Moment FramesoNo ShearoT/Y Ratio of 1.25
High Strength ReinforcingGrade 100 ASTM A615 ASTM A706(2019)(2019)oACI 318-19 will allow for seismic designoT/Y Ratio of 1.17oGravity and Wind, Confinement, Special Str. Walls, Won’t be weldable
Reinforcing Bar MarkingsoNew radius vs height of deformation ratio of 1.5, ACI 318-19 adopted, ASTM working on.
Economics of Concrete BuildingsCOSTSCHEDULINGCONSTRUCTION PROJECT
Economics of Concrete BuildingsThree elements of structure costFloor systemsColumns andbearing wallsLateral forceresisting systems
Economics of Concrete BuildingsStructure cost versus building height
Economics of Concrete BuildingsMain Component CostsFormworkConcreteReinforcing steel
Economics of Concrete BuildingsU.S. National Average of In-place Costs20%50%FormworkConcrete30%Reinforcing Steel
Economics of Concrete Buildings
Economics of Concrete BuildingsSimplicity andRepetitionConstructabilityEconomy
ConstructabilityCary Kopczynski and Company
PlacingCONFIDENTIAL - NOT FOR DISTRIBUTION
SplicingLap SplicesWelded SplicesMechanical Splices DeformationDependent Non-DeformationDependent
Splicing - MechanicalThreaded CouplerBolted Coupler
AnchorageHeaded Bars Reduce Congestion Come in Various Shapes Threaded or welded on
Anchorage
Economics of Concrete Buildingshttp://concept.crsi.org/
Economics of Concrete BuildingsFloor SystemSpanLive Load (psf)Up to 20 ft40, 65, 100X40X65X21 – 25 ftFlat PlateFlat SlabWide-module JoistTwo-way JoistX100XX26 – 30 ft40, 65, 100XX31 – 40 ft40, 65, 10041 – 50 ft40, 65, 100XXX
Innovative ConcreteForming/Framing SystemsAn Innovative forming system for every application1. Traditional2. Voided Slab3. Tunnel Form4. Insulated Concrete Forms
Traditional Formed Floor Systems
Voided Flat Plate – The Concept
Voided Flat Plate - BenefitsLong SpansReduced Dead LoadNo BeamsLower Flr to Flr HeightConventionalConstructionVoided-slab
Tunnel Form – Low Rise to HighRise Floor and Wall System1. Fast and Economical2. Superior Acoustic Performance3. Energy Efficient4. Easy finishing5. Popular in Texas and Florida6. Competes with 2 way PT FlatSlab
Insulated Concrete Formwork (ICF)Good for low to mid-rise construction6 componenets in 1-system:ConcreteReinforcementInsulationAir BarrierVapor BarrierStuds/Strapping
ICF Benefits1. Fast and Economical2. Superior Acoustic Performance – 6” core STC 50, with Gyp STC 713. Energy Efficient4. Easy finishing5. Competes with Wood and ColdFormed, but more resilient6. Faster than Block & Plank7. Can be used as exterior wall only or with interior non-structural8. Resists 250 mph tornado/hurricanes
ICF Components
Innovations - HoleDeck
Innovations - ICFGood for low to mid-rise construction6 componenets in 1-system:ConcreteReinforcementInsulationAir BarrierVapor BarrierStuds/Strapping
Look to CRSI for more Trusted Information Resource For SteelReinforced Concrete Design and ConstructionThank You!Shop CRSICRSI MembersFind CRSICRSI StandardsIt’s Design and ConstructionAwards SeasonCALL FOR ENTRIESTake advantage of this opportunity to bring your projectsuccess the recognition it deserves. Entry is free andeasy. CLICK HERE FOR DETAILSReinforcing BasicsAbout CRSIContact CRSIDisclaimersConcrete BenefitsEducation and ToolsDesign ResourcesConstruction ResourcesCHOOSE CONCRETE: For Life
o ACI 318-19 will allow for seismic design o T/Y Ratio of 1.17 o Gravity and Wind, Confinement, Special Str. Walls, Won’t be weldable. Reinforcing Bar Markings o New radius vs height of deformation ratio of 1.5, ACI 318-19 adopted, ASTM working on. . Look to CRSI for more .
www.crsi.org Look through your packet for research . M-E Pavement Design Guide HIPERPAV II Guidelines for CRCP (coming) Get More CRCP Information Andrea Talley, CRSI Manager of Transportation Programs atalley@crsi.org 847-517-1200 ext. 20 Many thanks
Design Guide on the ACI 318 Building Code Requirements for Structural Concrete &, &, CRSI .
vary the overall capacity of the reinforced concrete and as well as the type of interaction it experiences whether for it to be either over reinforced or under reinforced. 2.2.2.1 Under Reinforced Fig. 3. Under Reinforced Case Figure 3.2 shows the process in determining if the concrete beam is under reinforced. The
6/2/2017 3 References Design and Detailing of Low‐Rise Reinforced Concrete Buildings, CRSI, 2017 Available soon www.crsi.org References Building Code Requirements for Structural Concrete, ACI 318‐14, 2014
Founded in 1924, the Concrete Reinforcing Steel Institute (CRSI) is a technical institute and an ANSI-accredited Standards Developing Organization (SDO) that stands as the authoritative resource for information related to steel reinforced concrete construction. . 2014 edition of ACI 318 as amended in IBC Section 1905. Thus, ACI 318 is part of .
Jun 12, 2018 · Design and detailing requirements for shear, chord, and shear transfer . References Design and Detailing of Low -Rise Reinforced Concrete Buildings, CRSI, 2017. Chapters. 1. Introduction 2. Reinforced Concrete Building Systems 3. Design and Detailing Requirements for SDC A . Design Guide
Design of Reinforced Concrete Structures To order call 800-328-6306 6 Order online at www.crsi.org Workbook for Evaluating Concrete Building Designs - 1997, 2nd Edition, 80 pp. An easy-to-use resource for confirming the selection of reinforced concrete construction for any design. Quickly helps to evaluate cost of reinforced concrete .
3006 AGMA Toilet Additive 1338 (3006) 19.0% 2914 CERAVON BLUE V10 DC (2914) 0.05% 2922 FORMALDEHYDE REODORANT ALTERNATIVE (2922) 0.6% 3 Water (3) 80.05% Constituent Chemicals 1 Water (3) 80.05% CAS number: 7732-18-5 EC number: 231-791-2 Product number: — EU index number: — Physical hazards Not Classified Health hazards Not Classified Environmental hazards Not Classified 2 Bronopol (INN .
