ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY
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Transcript of ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY
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7/28/2019 ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY
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THIS REPORT CONTAINS 20 PAGES IN TOTAL. A12605-08057_01-01R0 60CIT004004 CA-Granvil le St.Bridge.doc
Prepared for:
CITY OF VANCOUVER
PO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BC
V6B 0L5
Attention: Otto Kauffmann
ANALYSIS ON GRANVILLE STREET
BRIDGE TO DETERMINE WELDABILITY
File Number: 6058057 Stefan Neville, EIT
Date: May 10, 2012 [email protected]
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CITY OF VANCOUVERAnalysis on Granville Street Bridge to Determine Weldability Page 1
A12605-08057_01-01R0 60CIT004004 CA-Granville St.Bridge.doc
1.0 INTRODUCTIONAcuren was contracted to perform a chemical analysis on client specified structural steel
members of the Granville Street Bridge to determine weldability. Testing was per
formed so that temporary supports can be welded for the purpose of upgrading/replacing
the bearings. Testing on site was performed using a Metorex ArcMet 8000 portable
optical emission spectrometer (OES).
2.0 INSPECTIONAll testing was performed on the west side of the bridge at piers M2-M8. The locations
for testing were provided by the City of Vancouver. For the most part, all the testing was
performed on the outer steel plates. In certain cases some steel plates were tested on the
inner side, which are identified in the chemical analysis reports (Appendix A).
3.0 RESULTSThe results are summarized in the chemical analysis reports in Appendix A. Reference
material for the project included CSA S6-06 (Canadian Highway Bridge Design), CSA
W59-03 (Construction Specification for Structural Steel), CSA G40.21-04 (Structural
Quality Steel), and The Procedure Handbook of Arc Welding.
CSA G40.21-04 (R2009) is the generally accepted specification for structural steel and
provides grades of steels in terms of weldability and strength. The designation "W" is
used for weldability, which is classified as steel that meets certain chemical requirements
and therefore is readily weldable (under "normal" conditions). Any steel not meeting
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these requirements can still be welded with specific welding procedure. A number
preceding the "W" represents the strength of the material and was not determined during
this inspection.
For the purposes of this report, only the chemical composition results for each tested
plate was compared to a CSA G40.21-04(R2009) grade steel. No mechanical testing was
performed and therefore the strength of was not confirmed.
Carbon equivalency (CE) is a tool used to determine the weldability and a generally
accepted criteria for carbon steel is:
CE < 0.45: Preheat and interpass temperature is optional 0.45 CE 0.60: Preheat and interpass temperature 200 - 400 F
CE > 0.60: Preheat and interpass temperature 400 - 700 F
The equation to calculate CE according to CSA G40.21-04 is:
Equation 1
15
CuNiVMoCrMnCCE
+
+
++
++=
4.0 DISCUSSION OF RESULTS Most of the steel plates tested have a CE < 0.45 and therefore there is no preheat
and interpass temperature requirements.
Any steel found to have a CE over 0.45 a preheat and interpass temperaturerequirement should be determined by a welding engineer.
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Although some of the steels dont meet the specific chemical requirements ofCSA G40.21-04, their CE are still lower than 0.45 and should be weldable.
The chemical analysis results showed no pattern of repeatable results between allthe plates. In certain cases, the stiffeners, base plates, gusset plates, etc. some
were weldable and some were not.
5.0 CONCLUSION AND RECOMMENDATIONSThe majority of the steel plates were classified as weldable, according to CSA G40.21-
04(R2009). The plates that were not may still be welded with a proper specific welding
procedure. Due to the variance of the results it is difficult to say that the results would be
the same on the east side of the bridge.
It is recommended that further testing be performed on all steel that is to be welded to
confirm its weldability and a proper welding procedure constructed by a certified welding
engineer is followed. Hardness testing may also be considered to evaluate the strength of
the steel on the bridge. Acuren can provide both services.
Please contact the undersigned if you have any questions about the above matters.
Prepared by:
Stefan Neville, EIT
Reviewed by:
Bill Johnson, AScTNote: Unless otherwise instructed, we shall
dispose of all parts and test samples sixty
days from the date of this report.
This document and all services and/or products provided in connection with this document and all future sales are subject to and shall be governed by the Acuren Standard Service
Terms in effect when the services and/or products are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY
INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE
EXPRESSLY AGREED OTHERWISE IN THAT OTHER DOCUMENT).
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A12605-08057_01-01R0 60CIT004004 CA-Granville St.Bridge.doc
APPENDIX A
CHEMICAL ANALYSIS TEST REPORTS
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 01
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: CSA G40.21 - Structural Quality Steel. Weldable grades are identified as "W"
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
CSA G40.21-04(R2009) LIST OF WELDABLE GRADES
CHEMICAL COMPOSITION (wt%)ELEMENT 260W 300W
350W,380W,400W
480W 550W
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
Vanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency (maximum)
0.20
0.50-1.50
-
-
-
-
-
0.40
0.04
0.05
Balance
0.45
0.22
0.50-1.50
-
-
-
-
-
0.40
0.04
0.05
Balance
0.47
0.23
0.50-1.50
-
-
-
-
-
0.40
0.04
0.05
Balance
0.48
0.26
0.50-1.50
-
-
-
-
-
0.40
0.04
0.05
Balance
0.51
0.15
1.75
-
-
-
-
-
0.40
0.04
0.05
Balance
0.44
* All values are maximums unless a range is given
Reported by:
Stefan Neville, EIT
Reviewed by:Bill J ohnson, AScT
This document and all services and/or products provided in connection with this document and all fut ure sales are subject to and shall be governed by the Acuren Standard
Service Terms i n effect when the services and/or produ cts are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY
INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE EXPRESSLY
AGREED OTHERWISE IN THAT OTHER DOCUMENT).
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 02
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M2
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M2 TEST RESULTS
CHEMICAL COMPOSITION (wt%)ELEMENT
PINBASEPLATE
GUSSET -INNER
GUSSET -2ND FROM
INNER
GUSSET -2ND FROM
OUTER
GUSSET -OUTER
Carbon
Manganese
Copper
Nickel
Chromium
MolybdenumVanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency
0.357
0.958
0.025
0.030
0.057
0.0270.009
0.207
0.003
0.032
Balance
0.539
0.230
0.645
0.004
0.048
0.037
0.0010.012
0.052
0.002
0.010
Balance
0.351
0.176
0.644
0.017
0.051
0.039
0.0010.007
0.043
0.003
0.009
Balance
0.297
0.140
0.655
0.136
0.063
0.063
0.0050.008
0.087
0.003
0.007
Balance
0.278
0.192
0.688
0.012
0.050
0.047
0.0030.007
0.023
0.002
0.009
Balance
0.322
0.147
0.743
0.010
0.057
0.061
0.0050.006
0.020
0.002
0.008
Balance
0.290
CSA G40.21 Comparable PlateSteel
n/a350W,380W,400W
260W 260W 260W 260W
*Carbon Equivalency calculated as per CSA G40.20-04
15
CuNiVMoCrMnCCE
+
+
++
++= Reported by:Stefan Neville, EIT
Reviewed by:Bill J ohnson, AScT
This document and all services and/or products provided in connection with this document and all fut ure sales are subject to and shall be governed by the Acuren Standard
Service Terms i n effect when the services and/or produ cts are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY
INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE EXPRESSLY
AGREED OTHERWISE IN THAT OTHER DOCUMENT).
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Figure 1 Schematic of testing locations for pier M2. Note the gusset base was nottested for M2.
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012
OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 03
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M3
TEST
METHOD
: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)M3 TEST RESULTS
CHEMICAL COMPOSITION (wt%)ELEMENT
PINBASEPLATE
GUSSETBASEPLATE
GUSSET -INNER
GUSSET -2ND FROM
INNER
GUSSET -2ND FROM
OUTER
GUSSET -OUTER
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
Vanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency
0.353
0.883
0.025
0.032
0.063
0.023
0.007
0.189
0.002
0.023
Balance
0.523
0.297
0.750
0.010
0.062
0.056
0.010
0.008
0.039
0.002
0.011
Balance
0.442
0.093
0.704
0.011
0.058
0.056
0.001
0.006
0.049
0.002
0.009
Balance
0.228
0.185
0.688
0.005
0.044
0.044
0.002
0.009
0.043
0.003
0.008
Balance
0.314
0.211
0.627
0.005
0.042
0.039
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Figure 2 Schematic of testing locations for pier M3. Note the gusset base wastested for M3.
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CHEMICAL ANALYSIS REPORTDATE: May 10, 2012
OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVER
PO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 04
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M4
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M4 TEST RESULTSCHEMICAL COMPOSITION (wt%)
ELEMENTPIN
BASEPLATE
ENDPLATE
GUSSETBASEPLATE
GUSSETANGLEPLATE
GUSSET -INNER
GUSSET -MIDDLE
GUSSET-OUTER
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
Vanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency
0.244
0.826
0.162
0.249
0.114
0.053
0.012
0.337
0.003
0.057
Balance
0.445
0.277
0.727
0.004
0.054
0.049
0.009
0.010
0.041
0.003
0.010
Balance
0.416
0.173
1.241
0.331
0.161
0.132
0.092
0.037
0.234
0.002
0.007
Balance
0.465
0.118
0.697
0.176
0.039
0.030
0.001
0.009
0.267
0.003
0.017
Balance
0.257
0.203
0.562
0.136
0.069
0.066
0.002
0.009
0.050
0.003
0.011
Balance
0.326
0.319
0.455
0.107
0.025
0.048
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Figure 3 Schematic of testing locations for pier M4. All testing was performed onthe north side. The south Base Plate was submerged in water.
SouthNorth
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 05
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M5
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M5 TEST RESULTS
CHEMICAL COMPOSITION (wt%)ELEMENT BASE PLATE -NORTH BASE PLATE -SOUTH
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
Vanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency
0.271
0.748
0.018
0.070
0.060
0.013
0.007
0.116
0.003
0.017
Balance
0.418
0.189
0.619
0.123
0.127
0.095
0.019
0.010
0.066
0.004
0.010
Balance
0.334
CSA G40.21 Comparable Plate Steel n/a 260W
*Carbon Equivalency calculated as per CSA G40.20-04
15
CuNiVMoCrMn
CCE
+
+
++
++=
Reported by:
Stefan Neville, EIT
Reviewed by:Bill J ohnson, AScT
This document and all services and/or products provided in connection with this document and all fut ure sales are subject to and shall be governed by the Acuren Standard
Service Terms i n effect when the services and/or produ cts are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY
INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE EXPRESSLY
AGREED OTHERWISE IN THAT OTHER DOCUMENT).
-
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Figure 4 Schematic of testing locations for pier M5.
SouthNorth
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 06
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M6
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M6 TEST RESULTSCHEMICAL COMPOSITION (wt%)
ELEMENTBASE PLATE
-INNERBASE PLATE
-OUTER
GUSSETPLATE -INNER
GUSSETPLATE -OUTER
STIFFENER -INNER
STIFFENER -OUTER
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
Vanadium
Silicon
Phosphorus
Sulphur
Iron
Carbon Equivalency
0.221
1.42
0.119
0.106
0.09
0.075
0.012
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Figure 5 Schematic of testing locations for pier M6. Testing was performed onboth the inner and outer sides.
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 07
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M7
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M7 TEST RESULTS
CHEMICAL COMPOSITION (wt%)ELEMENT
BASE PLATEGUSSET
BASE PLATEGUSSETPLATE
STIFFENERCOVER -INNER
COVER -OUTER
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
VanadiumSilicon
Phosphorus
Sulphur
Iron
CarbonEquivalency
0.220
1.408
0.143
0.106
0.051
0.078
0.009
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Figure 6 Schematic of testing locations for pier M7. Testing on the Cover wasdone on the North end on both the inner and outer locations.
North
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CHEMICAL ANALYSIS REPORT
DATE: May 10, 2012OUR FILE NO: 6058057
P.O.NO: 4500524626
CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5
REPORT NO: 08
ATTENTION: OTTO KAUFFMANN
DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers
SAMPLE ID: M8
TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)
M8 TEST RESULTSCHEMICAL COMPOSITION (wt%)
ELEMENTBASE PLATE
STIFFENERPLATE
STIFFENERANGLE PLATE
GUSSET -INNERGUSSET -OUTER
Carbon
Manganese
Copper
Nickel
Chromium
Molybdenum
VanadiumSilicon
Phosphorus
Sulphur
Iron
CarbonEquivalency
0.234
0.630
0.129
0.131
0.101
0.021
0.0090.080
0.003
0.019
Balance
0.383
0.170
0.615
0.141
0.040
0.064
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Figure 7 Schematic of testing locations for pier M8.