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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

Table 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 CONNECT Edition\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                                  |
  |--------------------------------------------------------------------------|