SIPs: An Engineers Perspective Tom Moore, PE Principal at Pinnacle - - PowerPoint PPT Presentation

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SIPs: An Engineers Perspective Tom Moore, PE Principal at Pinnacle - - PowerPoint PPT Presentation

Oct 12, 2022 150 likes •625 views

SIPs: An Engineers Perspective Tom Moore, PE Principal at Pinnacle Engineering, Inc SIPA Board of Directors, Chair of Education Committee, on Technical Committee Wood & SIP Committee of ASTM SIP B SIP BASICS: WHA ASICS: WHAT ARE SIPS?

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SIPs: An Engineer’s Perspective

Tom Moore, PE Principal at Pinnacle Engineering, Inc SIPA Board of Directors, Chair of Education Committee, on Technical Committee Wood & SIP Committee of ASTM

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SIP B SIP BASICS: WHA ASICS: WHAT ARE SIPS? T ARE SIPS?

  • SIP = Structural

Insulated Panel

  • Composite structural panel
  • Rigid foam core - EPS, XPS,
  • r polyurethane
  • Structural facings - usually

7/16” OSB

  • Structural adhesive
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Rigid Foam Insulation Structural Facings Structural Adhesive Optional Electrical Chase

WHA WHAT AR T ARE E SIP SIPS? S?

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Insulated metal wall panels

TYPE TYPES S OF SIPS? OF SIPS?

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Also available with cementitious skins – cement board, MgO board Resistant to fire, mold, mildew

TYPE TYPES S OF SIPS? OF SIPS?

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SIP B SIP BASICS: DET ASICS: DETAILS AILS

Panel joints are designed to reduce thermal bridging where structurally possible and sealed to reduce air infiltration

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SIP B SIP BASICS: DET ASICS: DETAILS AILS

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SIP screws go through the panels, into structure

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Wood screw point for wood

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Light drill point for metal/light gauge

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Heavy drill point for steel/iron up to ¼” thick

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SIP B SIP BASICS: DET ASICS: DETAILS AILS

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SIP B SIP BASICS: DET ASICS: DETAILS AILS

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  • A structural engineer with knowledge of SIP applications should

be a part of the design process for any SIP structures

  • Prevent the overdesign of the structural system, reduce costs,

and meet code minimums

  • Consult manufacturer

code report and load charts for engineering information (www.sips.org)

ENG NGIN INEERI RING NG MET METHO HODS DS

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SIP ENGINEER vs. EOR ENG NGIN INEERI RING NG MET METHO HODS DS

Structure Magazine Feb 2013

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ENG NGIN INEERI RING NG MET METHO HODS DS

  • Sample manufacturer

load chart from code report

  • Loads are calculated per

Chapter 16 of the IBC

  • 2x4 studs @ 16”oc =

1600plf at 8’-0” tall

  • 2x6 studs @ 16”oc =

2600plf up to 12’ tall

  • 4.5” SIP = 3600plf at 8’-0”

tall

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  • Load charts vary by spline

type and load type

  • This is a block spline and

surface spline chart

  • Other spline types include

I-joist, LVL, and 2x lumber

  • 2x10 rafters @ 24”oc max

span = 14’-8” for 35psf (#2SYP)

  • 10.25” SIP max span for

35psf = 15’-0” (superimposed)

ENG NGIN INEERI RING NG MET METHO HODS DS

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ENG NGIN INEERI RING NG MET METHO HODS DS

Shear wall components

  • OSB skins nailed to lumber

at edges and splines at interior joints – similar to typical wood stud shear wall

  • Standard SIP shear wall = 380plf
  • Wood stud shear wall = 260plf
  • 380plf with 4”oc edge nailing
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  • Shear wall strap diagrams
  • Hold down anchors at the ends of shear walls
  • Shear plate anchor bolts must resist shear load

ENG NGIN INEERI RING NG MET METHO HODS DS

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ENG NGIN INEERI RING NG MET METHO HODS DS

  • Shear wall values are

available to cover all seismic design categories

  • Diaphragm values for wind

design for SIP roof panels should be available from the manufacturer

  • Like all shear walls and

diaphragms, chord forces are

  • critical. Straps can help

transfer these forces across joints in the edge lumber

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ENG NGIN INEERI RING NG MET METHO HODS DS

  • Openings with heavy loads may

require structural header

  • Some openings possible with

SIP acting as header; consult engineer or manufacturer

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  • SIP Screws connect panels to each other and to supporting

structure – resisting loads through tension and shear

ENG NGIN INEERI RING NG MET METHO HODS DS

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SIP ST IP STAN ANDAR ARDS DS

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SIP ST IP STAN ANDAR ARDS DS

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SIP ST IP STAN ANDAR ARDS DS

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SIP ST IP STAN ANDAR ARDS DS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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SHOP DR HOP DRAWINGS WINGS

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Beyond combining SIPs with wood framing, other structural systems can be combined with SIPs to increase heights and spans in a building: ▪ Metal framing ▪ Structural steel ▪ Pre-engineered buildings ▪ Timber framing ▪ Glu-Lams

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

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Hybrid systems: SIPs with metal framing

Buffalo University Day Care Buffalo, New York Kideney Architects

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

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Hybrid systems: bar joists and structural steel with SIPs

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

Silvis Middle School, East Moline, IL

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Hybrid systems: bar joists and structural steel with SIPs

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

Silvis Middle School, East Moline, IL

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Pre-engineered building with SIPs

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

SIPs manufacturing plant, Cottonwood, MN

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SIPs and timber framing

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

Darien Nature Center, Darien, CT

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SIPs and timber framing

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

Washington Fruit & Produce Corporate Office, Yakima, WA

10” SIPs roof panels covering 14,900 square feet of conditioned space, achieving R-values that qualified for tax incentives as an Energy Qualified Cool Roof

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SIPs with Glu-Lams

STRUC UCTUR URAL AL SIP IP HY HYBR BRIDS IDS

Silverwood Park Visitor Center, Minneapolis, MN

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Specification for SIPs available at www.sips.org

CO CONST NSTRUC UCTIO ION N MET METHO HODS DS AN AND D SPECI CIFICA FICATION IONS

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Specifications for SIPs (available at www.sips.org)

CO CONST NSTRUC UCTIO ION N MET METHO HODS DS AN AND D SPECI CIFICA FICATION IONS

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Coventry Senior Living, Mahtomedi, MN

COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

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Finn Hill Junior High School, Kirkland, WA

COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

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Finn Hill Junior High School, Kirkland, WA

COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

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COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

Aeon Alliance Expansion, Minneapolis, MN

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COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

Aeon Alliance Expansion, Minneapolis, MN

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COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

Bend Parks and Recreation, Bend, OR

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COMMER COMMERCIAL APPLICA CIAL APPLICATIONS TIONS

Bend Parks and Recreation, Bend, OR