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Microllam Lvl Span Table

2830
2Trus Joist " MicrollamLVL Marriage Ridge Beam Specifiers Guide 2830 March 2005MicrollamLVL Design PropertiesMicrollamLVL Allowable Design Stresses(100% Load Duration)Shear modulus of elasticityG=125,000 psiModulus of elasticityE=2.0 x 10Flexural StressF=2,750 psiCompression perpendicular to grainF=750 psiHorizontal shear perpendicular to grain F=285 psi0.136(2) Fcshall not be increased for duration of load.Nail/Screw Design Values (for fasteners penetrating the wide face)Lateral and Withdrawal: Design per NDS12Design PropertyDepth78"14"12"4"8"Moment (ft-lbs)3,760Shear (lbs)2,245Moment of Inertia (in.4)Weight (plf)3.4Design Properties ....

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...69laminated veneer lumber (LVL) is manufactured from thin sheets of veneerTABLE OF CONTENTSBearing across full beam width is required.Bearing lengths are based on 425 psi.When direct support of the marriage beam isMinimum bearing length: 1End bearing lengths that exceed 4Maximum intermediate bearing length is 14".Maximum clear spans are limited to 35'-0"." 2.0E MicrollamLVL Design Properties (100% Load Duration)CCMC 08675-R

HUD MR 925j

ICC ES ESR-1387.

Tb 500
Page 1 of 3

Weyerhaeuser, iLevel, Microllam, Parallam, TJ-Beam and Trus Joist are registered trademarks and Forte is a trademark of Weyerhaeuser NR.

2010 Weyerhaeuser NR Company.

All rights reserved.

July 2007 Bulletin TB-301

TECHNICAL BULLETIN May 2010 Bulletin TB-500

CONTACT US 1.888.iLevel8 (1.888.453.8358) www.iLevel.com

22" and 24" Deep Depth Beam Design Guide for 1.9E Microllam LVL and 2.2E Parallam PSL

Microllam LVL and Parallam PSL beams manufactured by iLevel are a cost-effective solution for supporting the loads and spans common in residential structures.

Today's homes present demanding structural requirements including supporting longer spans, heavier loads, and more stringent deflection criteria required for brick veneer applications.

Often, deep beam depths are required.

22" and 24" deep Microllam LVL and Parallam PSL beams provide exceptional strength and stiffness that meet these demands.

2.2E Parallam PSL can be sized using the iLevel 2.2E Parallam (TJ-7001).

TJ-Beam Software Design Settings When designing deep depth Microllam LVL in TJ Beam, it is necessary to use the "Custom Depth" function (See Figure 1).

When designing 2.2E Parallam PSL in TJ-Beam, an "option" setting needs to be changed.

Under, Settings\Options\Program Settings, set the "Supplier" to "Custom".See Figure 2.

Then during the design process, deeper Parallam beam depths can be chosen as shown in Figure 3.

Design Settings Sizing 22" and 24" Microllam LVL or 2.2E Parallam for these two products include 22" and 24".

Bracing Considerations Deep beams require special installation attention.In particular, lateral stability must be provided to ensure full design capacity.

Lateral bracing is essential to prevent buckling of a beam.

Buckling is the tendency for a beam to rotate out-of-plane as it is loaded.

Bracing must adequately support the compression edge of the beam to prevent this rotation.

See page 3.

Allowable Design Stresses (100% Load Duration)

Design Stress (psi) Grade 1.9E LVL 2.2E PSL Modulus of Elasticity, E 1.9 x 106 2.2 x 106 Flexural Stress(1), Fb 2,600 2,900 Compression Parallel to Grain, FcII 2,510 2,900 Compression Perpendicular to Grain(2), Fc 750 750 Horizontal Shear, Fv 285 290 (1) For 12" depth.

For other depths, multiply Fb by the appropriate
factor as follows:
For Microllam LVL, multiply by [12/d]0.136
For Parallam PSL, multiply by [12/d]0.111 (2) Fc shall not be increased for duration of load.
Figure 1: Sizing Microllam LVL Using Custom Depth Feature in TJ -Beam

Figure 2:

TJ-Beam Settings for 2.2E Parallam Beam Design

Figure 3:

Sizing 2.2E Parallam PSL

in TJ-Beam

Page 2 of 3

Weyerhaeuser, iLevel, Microllam, Parallam, TJ-Beam and Trus Joist are registered trademarks and Forte is a trademark of Weyerhaeuser NR.

2010 Weyerhaeuser NR Company.

All rights reserved.

July 2007 Bulletin TB-301

TECHNICAL BULLETIN May 2010 Bulletin TB-500

CONTACT US 1.888.iLevel8 (1.888.453.8358) www.iLevel.com

Maximum Uniform Load Applied to Either Outside Member (PLF)

Connector Pattern
Connector Type Number of Rows Connector

On-Center Spacing 3" 2-Ply 5" 3-Ply 7" 2-Ply 7" 4-Ply 10d (0.128" x 3")(1) nail 3 12" 555 415

4 12" 740 555

" A307

Through Bolt(2) 3 24" 760 570 1,290 505 12" 1,520 1,140 2,580 1,015 4 24" 1,015 760 1,720 675 12" 2,030 1,520 3,435 1,355 SDS " x 3" 3 24" 1,020 765

12" 2,040 1,530

4 24" 1,360 1,020

12" 2,720 2,040

SDS " x 6" 3 24"

695 680 12"

1,395 1,360 4 24"

930 905 12"

1,860 1,815 USP WS35 3 24" 715 540

12" 1,435 1,075

4 24" 955 715

12" 1,915 1,435

USP WS6 3 24"

790 525 12"

1,580 1,055 4 24"

1,055 705 12"

2,110 1,405 3" Trussloc 3 24" 955 715

12" 1,910 1,430

4 24" 1,270 955

12" 2,545 1,910

5" Trussloc 3 24"

750 725 665 12"

1,500 1,445 1,330 4 24"

1,000 965 890 12"

2,000 1,925 1,775 6" Trussloc 3 24"

925 665 12"

1,855 1,330 4 24"

1,235 890 12"

2,470 1,775 (1) Nailed connection values may be doubled for 6" on-center or tripled for 4" on-center spacing.(2) Washers required.

Bolt holes to be 9/16" maximum.General Notes Connections are based on NDS 2005 or manufacturers' code report. Use specific gravity of 0.5 when designing lateral connections. Values listed are for 100% stress level.

Increase 15% for snow-loaded roof conditions or 25% for non-snow roof conditions, where code allows. Minimum end distance for bolts and screws is 6".

Bold Italic cells indicate Connector Pattern must be installed
on both sides.

Stagger fasteners on opposite side of beam by
the required Connector Spacing
microllam lvl span table
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7" wide beams should be side-loaded only when loads are
applied to both sides of the members (to minimize rotation). Beams wider than 7" require special consideration by the design professional.Page 3 of 3

Weyerhaeuser, iLevel, Microllam, Parallam, TJ-Beam and Trus Joist are registered trademarks and Forte is a trademark of Weyerhaeuser NR.

2010 Weyerhaeuser NR Company.

All rights reserved.

CONTACT US 1.888.iLevel8 (1.888.453.8358) www.iLevel.com July 2007 Bulletin TB-301

TECHNICAL BULLETIN April 2010 Bulletin TB-500
Detail 1:

Fully Braced Flush Beam

Detail 2:

Fully Braced Alternative to Dropped Header Applications TJI joists parallel to beam Bearing wall above Fasten multi-ply beam per table on page 2 Sheathing to provide lateral stability fasten directly to top of beam per floor framing schedule Column Microllam LVL or Parallam PSL Beam.

Microllam
Support heavier loadshan comparably sizedconventional glulam orsawn lumber productsuniformity for predictableperformanceEach piece is straight,strong and trueresistsbowing, shrinking andCovered by ourProduct Warrantyagainst manufacturingdefects for the life ofhe structureMicrollamLVLSPECIFIERS GUIDEwww.trusjoist.comus Joist

MicrollamVL Specifiers Guide 2510

July 2002Design Properties...

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.15MicrollamLVLAn Integral Part of theameWorksBuilding Systemaminated veneer lumber (LVL) is manufactured fromin sheets of veneer structurally bonded together to makeheadersand beams which span much longer distances and support heavierloads than ordinary lumber.VL headers and beams are available in the followingidth:"

Depths:", 11", 11ABLE OF CONTENTSThe residential products in this brochure are primarilyintended for use in single and multi-family dwellings.These products are readily available through ournationwide network of distributors and dealers.or commercial applications such as retail stores, officebuildings, schools, restaurants, hotels, nursing homes,etc., please refer to the COMMERCIAL PRODUCTMANUAL or Commercial Section of our STRUCTURALPRODUCTS DESIGN MANUAL.Commercial productsare typically designed, manufactured and sold byus Joist for each specific job.or more information on any Trus Joist products, pleasecall 1-800-628-3997.The long spans and impressive strength of MicrollamLVLcan make a difference in any floor or roof system.Changing the Way You BuildSome sizes may not be available in your region.Contact your local Trus Joist dealer ortechnical representative for availability.Code Evaluations: idthColumn Spacing10'-0"25LL + 15DL24'-0"1/2" x 91/4"1/2" x 111/4"1/2" x 117/8"1" x 14"31/2" x 16"31/2" x 18"31/2" x 18"30'-0"1/2" x 91/4"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 16"31/2" x 18"31/2" x 20"36'-0"1/2" x 91/4"1/2" x 117/8"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"24'-0"1/2" x 91/4"1/2" x 111/4"1/2" x 14"31/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/2" x 91/4"1/2" x 117/8"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"36'-0"1/2" x 91/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 18"31/2" x 20"51/4" x 183/4"40LL + 15DL24'-0"1/2" x 91/4"1/2" x 14"31/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"51/4" x 18"30'-0"1/2" x 91/2"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"51/4" x 20"36'-0"1/2" x 111/4"1/2" x 14"" x 18"351/4" x 20"24'-0"1/2" x 91/2"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"51/4" x 20"30'-0"1/2" x 111/4"1/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"51/4" x 20"36'-0"1/2" x 111/4"1/2" x 16"31/2" x 18"31/2" x 20"51/4" x 183/4"1/4" x 111/4"1/4" x 117/8"1/4" x 14"51/4" x 14"51/4" x 16"51/4" x 111/4"1/4" x 14"51/4" x 14"51/4" x 16"51/4" x 18"51/4" x 111/4"1/4" x 117/8"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 91/2"1/4" x 111/4"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 111/4"1/4" x 117/8"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 111/4"1/4" x 14"51/4" x 14"51/4" x 16"51/4" x 18"51/4" x 111/4"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 117/8"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 14"51/4" x 16"51/4" x 18"51/4" x 117/8"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 14"51/4" x 14"51/4" x 16"51/4" x 91/2"1/4" x 14"51/4" x 16"51/4" x 18"51/4" x 91/4"1/4" x 91/4"1/4" x 91/4"1/4" x 91/4"1/4" x 91/4"1/4" x 91/4"1/2" x 91/4"1/4" x 91/4"1/2" x 91/2"1/2" x 111/4"1/2" x 91/2"1/2" x 111/4"1/4" x 91/4"1/2" x 111/4"1/2" x 111/4"1/2" x 111/4"1/2" x 117/8"1/2" x 111/4"1/4" x 91/4"1/2" x 14"31/2" x 14"51/4" x 91/2"1/4" x 91/4"1/4" x 111/4"1/4" x 111/4"1/4" x 111/4"oof Load (PSF)niform loads.More restrictive of simple or continuous span.Ratio of short span tolong span should be greater than 0.4 to prevent uplift.Deflection criteria of L/360 live load and L/180 total load.Also see General Assumptions on page 3.Bearing RequirementsMinimum header support to be 2 trimmers (3") at ends and 7continuous span supports.beam sizes require 3 trimmers (4continuous span supports.How to Use This TableDetermine appropriate ROOF LOAD and HOUSE WIDTH.2.Locate COLUMN SPACING.3.Select MicrollamSizing Tables5us Joist

MicrollamVL Specifiers Guide 2510

July 2002Unfactored FloorLoad (PSF)Floor FramingLengthColumn Spacing10'-0"40LL + 12DL20'-0"1/2" x 91/4"1/2" x 111/4"1/2" x 14"31/2" x 14"31/2" x 16"31/2" x 18"28'-0"1/2" x 111/4"1/2" x 117/8"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"32'-0"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 18"31/2" x 20"36'-0"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"40'-0"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"51/4" x 18"44'-0"1/2" x 117/8"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"51/4" x 183/4"1/2" x 111/4"1/2" x 117/8"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"28'-0"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 183/4"1/4" x 18"32'-0"1/2" x 111/4"1/2" x 14"31/2" x 16"31/2" x 18"31/2" x 20"51/4" x 183/4"1/2" x 117/8"1/2" x
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