V. CSA 086 2001 - Glulam in Bending

Reference

Example 2, page 59, Canadian Wood Design Manual, 2001

Given

Length = 7,500 mm, Beam Spacing = 5,000 mm, Standard load condition, Dry service condition, Untreated

Comparison

Table 1. Comparison of results
Criteria	Reference	STAAD.Pro	Difference
Design Strength in Bending (kN·m)	208	208.323	none
Design Strength in Shear (kN)	101	100.776	none

STAAD Input

The file C:\Users\Public\Public Documents\STAAD.Pro CONNECT Edition\Samples\ Verification Models\11 Timber Design\Canada\CSA 086 2001 - Glulam in Bending.STD is typically installed with the program.

STAAD PLANE
START JOB INFORMATION
ENGINEER DATE 10-JUN-05
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 7.5 0 0
MEMBER INCIDENCES
1 1 2
UNIT INCHES KIP
DEFINE MATERIAL START
ISOTROPIC GLT_SPRUCE-PINE-12C-E
E 9.7
POISSON 0.15
DENSITY 1.44676E-005
ALPHA 5.5E-006
ISOTROPIC GLT_D.FIR-L-20F-E
E 12.4
POISSON 0.15
DENSITY 1.44676E-005
ALPHA 5.5E-006
ISOTROPIC CONCRETE
E 3150
POISSON 0.17
DENSITY 8.68E-005
ALPHA 5.5E-006
DAMP 0.05
END DEFINE MATERIAL
UNIT FEET POUND
MEMBER PROPERTY TIMBER CANADIAN
1 PRIS YD 2.11942 ZD 0.426508
UNIT INCHES KIP
CONSTANTS
MATERIAL GLT_D.FIR-L-20F-E MEMB 1
SUPPORTS
1 2 PINNED
UNIT METER KN
LOAD 1 LOADTYPE NONE  TITLE LOAD CASE 1
MEMBER LOAD
1 UNI GY -27.1
PERFORM ANALYSIS
PARAMETER
CODE TIMBER CANADIAN
CHECK CODE ALL
FINISH

STAAD Output

                         STAAD.Pro CODE CHECKING - (S086)   v1.0
                         ***********************
 ALL UNITS ARE - KN   METE (UNLESS OTHERWISE Noted)
 MEMBER     TABLE       RESULT/   CRITICAL COND/     RATIO/     LOADING/
                          FX            MY             MZ       LOCATION
 =======================================================================
     1    130.00X646.00 CANADIAN GLULAM GRADE:GLT_D.FIR-L-20F-E                   
                         FAIL      CL.5.5.5/6.5.       1.008         1
                        0.00 T          0.00           0.00     7.5000
  |--------------------------------------------------------------------------|
  | LEZ =   7500.000 LEY =   7500.000 LUZ =   7500.000 LUY =   7500.000mm    |
  |                                                                          |
  | KD  = 1.000   KH    = 1.000   KT   = 1.000   KSB  = 1.000   KSV  = 1.000 |
  | KSC = 1.000   K_SCP = 1.000   KSE  = 1.000   KST  = 1.000   KZB  = 1.000 |
  | KZV = 1.000   KZT   = 1.000   KZCP = 1.000   K_ZC = 1.000   CHIX = 1.000 |
  | CV  = 1.000   KN    = 1.000                                              |
  |                                                                          |
  | ACTUAL LOADS : (KN-m)                                                    |
  |                      Pu  =        0.000                                  |
  |                      Tu  =        0.000                                  |
  |                      Muy =        0.000                                  |
  |                      Muz =        0.000                                  |
  |                      V   =     -101.625                                  |
  |            SLENDERNESS_Y =       16.932                                  |
  |            SLENDERNESS_Z =        1.529                                  |
  | ALLOWABLE CAPACITIES OF THE SECTION: (KN-m)                              |
  |                      PY  =        0.000                                  |
  |                      PZ  =        0.000                                  |
  |                      T   =        0.000                                  |
  |                      MY  =       41.923                                  |
  |                      MZ  =      208.323                                  |
  |                      V   =      100.776                                  |
  |              SLENDERNESS =       50.000                                  |
  |--------------------------------------------------------------------------|