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V. CSA 086 2001 - Beam in Bending

Reference

Example 1, page 58, Canadian Wood Design Manual, 2001

Given

Length =6,000mm, Beam Spacing = 3,000mm, Standard load condition, Dry service condition, Untreated

Comparison

表 1. Comparison of results
Criteria Reference STAAD.Pro Difference
Design Strength in Bending (kN·m) 79.8 79.732 none
Design Strength in Shear (kN) 46.1 46.170 none

STAAD Input

The file C:\Users\Public\Public Documents\STAAD.Pro 2023\Samples \Verification Models\11 Timber Design\Canada\CSA 086 2001 - Beam in Bending.STD is typically installed with the program.

STAAD PLANE
START JOB INFORMATION
ENGINEER DATE 08-JUN-05
END JOB INFORMATION
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 6 0 0; 3 3 0 0;
MEMBER INCIDENCES
1 1 3; 2 3 2;
UNIT FEET POUND
DEFINE MATERIAL START
ISOTROPIC DFL_NO1_10X16_BM
E 1.728e+06
POISSON 0.15
DENSITY 25
ALPHA 5.5e-06
END DEFINE MATERIAL
UNIT METER KN
CONSTANTS
MATERIAL DFL_NO1_10X16_BM ALL
UNIT FEET POUND
MEMBER PROPERTY TIMBER CANADIAN
1 2 TABLE ST DFL_NO1_10X16_BM
SUPPORTS
1 2 FIXED
UNIT METER KN
LOAD 1 DEAD+LIVE LOAD
MEMBER LOAD
1 2 UNI GY -16.4
PERFORM ANALYSIS
PARAMETER 1
CODE TIMBER CANADIAN
KD 1 ALL
K_T 1 ALL
KSB 1 ALL
KZB 0.9 ALL
KZV 0.9 ALL
K_ZC 1.05 ALL
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 ST DFL_NO1_10X16_BM                    
                         FAIL      CL.5.5.5/6.5.6         1.066         1
                        0.00 T          0.00          49.20     0.0000
  |--------------------------------------------------------------------------|
  | LEZ =   3000.000 LEY =   3000.000 LUZ =   3000.000 LUY =   3000.000mm    |
  |                                                                          |
  | 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  = 0.900 |
  | KZV = 0.900   KZT   = 1.000   KZCP = 1.000   K_ZC = 1.050   CHIX = 1.000 |
  | CV  = 1.000   KN    = 1.000                                              |
  |                                                                          |
  | ACTUAL LOADS : (KN-m)                                                    |
  |                      Pu  =        0.000                                  |
  |                      Tu  =        0.000                                  |
  |                      Muy =        0.000                                  |
  |                      Muz =       49.200                                  |
  |                      V   =       49.200                                  |
  |            SLENDERNESS_Y =        4.511                                  |
  |            SLENDERNESS_Z =        2.158                                  |
  | ALLOWABLE CAPACITIES OF THE SECTION: (KN-m)                              |
  |                      PY  =        0.000                                  |
  |                      PZ  =        0.000                                  |
  |                      T   =        0.000                                  |
  |                      MY  =       79.800                                  |
  |                      MZ  =       79.732                                  |
  |                      V   =       46.170                                  |
  |              SLENDERNESS =       50.000                                  |
  |--------------------------------------------------------------------------|
      STAAD PLANE                                              -- PAGE NO.    4 
 ALL UNITS ARE - KN   METE (UNLESS OTHERWISE Noted)
 MEMBER     TABLE       RESULT/   CRITICAL COND/     RATIO/     LOADING/
                          FX            MY             MZ       LOCATION
 =======================================================================
     2 ST DFL_NO1_10X16_BM                    
                         FAIL      CL.5.5.5/6.5.6         1.066         1
                        0.00 T          0.00          49.20     3.0000
  |--------------------------------------------------------------------------|
  | LEZ =   3000.000 LEY =   3000.000 LUZ =   3000.000 LUY =   3000.000mm    |
  |                                                                          |
  | 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  = 0.900 |
  | KZV = 0.900   KZT   = 1.000   KZCP = 1.000   K_ZC = 1.050   CHIX = 1.000 |
  | CV  = 1.000   KN    = 1.000                                              |
  |                                                                          |
  | ACTUAL LOADS : (KN-m)                                                    |
  |                      Pu  =        0.000                                  |
  |                      Tu  =        0.000                                  |
  |                      Muy =        0.000                                  |
  |                      Muz =       49.200                                  |
  |                      V   =      -49.200                                  |
  |            SLENDERNESS_Y =        4.511                                  |
  |            SLENDERNESS_Z =        2.158                                  |
  | ALLOWABLE CAPACITIES OF THE SECTION: (KN-m)                              |
  |                      PY  =        0.000                                  |
  |                      PZ  =        0.000                                  |
  |                      T   =        0.000                                  |
  |                      MY  =       79.800                                  |
  |                      MZ  =       79.732                                  | 
  |                      V   =       46.170                                  | 
  |              SLENDERNESS =       50.000                                  |
  |--------------------------------------------------------------------------|