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Section 90 Training Examples

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Section 90 Training Examples By Dulce Rufino Feldman Doran Glauz Tom Ruckman Materials Verification 1. Cement On Pre-Qualified Product s List (PQPL)? Yes No ... – PowerPoint PPT presentation

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Title: Section 90 Training Examples


1
Section 90 Training Examples
  • By
  • Dulce Rufino Feldman
  • Doran Glauz
  • Tom Ruckman

2
Materials Verification
  • 1. Cement
  • On Pre-Qualified Products List (PQPL)? ? Yes ?
    No (If No, reject mix)
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/Cementitious.xls
  • 2. Blended Cement
  • Blended Cement proposed? ? Yes ? No (If No,
    skip to 3)
  • All Blending Materials on PQPL? ? Yes ? No
    (If No, reject mix)
  • 3. Supplementary Cementitious Materials
  • All SCMs on PQPL? ? Yes ? No (If No, reject
    mix)
  • Fly Ash CaO content verified? ? Yes ? No (If
    No, reject mix)
  • 4. Aggregate
  • Proposed Gradation given? ? Yes ? No (If No,
    reject mix)
  • Within Grading Limits? ? Yes ? No (If No,
    reject mix)
  • On PQPL? ? Yes ? No (If Yes, reduced
    X allowed in Section B)
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/aggregate_for_concrete.pdf

3
Materials Verification (Cont.)
  • 5. Chemical Admixtures
  • Chemical Admixtures proposed? ? Yes ? No (If
    No, skip to 6)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/Approved_Chem_Admix_List.doc
  • 6. Air-entraining Admixtures
  • Air-Entraining Admixture proposed?? Yes ? No
    (If No, skip to 7)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No
  • 7. Lithium Nitrate Admixtures
  • Lithium Nitrate Admixture proposed?? Yes ? No
    (If No, skip to 8)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No

4
Mix Design Testing and Calculations
  • 8. Shrinkage Test Compliance (for paving, bridge
    decks, and approach slabs)
  • Shrinkage Test Data Verified ? Yes ? N/A ? No
    (If No, reject mix)
  • Verify similar mix design as needed per
    90-1.01 ? Yes ? N/A ? No (If No, reject
    mix)
  • 9. Check Minimum Specified Amount of Cementitious
    Material
  • ? OK ? Reject
  • Include Blended Cement, 90-2.01, and reduction
    per 90-4.05 if necessary
  • 10. Check Amount of Free Water (90-6.06) ? OK ?
    N/A ? Reject
  • 11. Check Required Use of SCM Equations ? OK ?
    N/A ? Reject
  • 12. Check Strength Development Equation ? OK ?
    N/A
  • 13. Check Corrosion Control Specifications ? OK
    ? N/A ? Reject
  • 14. Check Freezing Condition Equations ? OK ?
    N/A ? Reject

5
Equation 1 (ASR)
Where UF Silica fume, metakaolin, UFFA, or
RHA, pounds per cy. FA Fly ash or natural
pozzolan conforming to the requirements in AASHTO
Designation M 295, Class F or N with a CaO
content up to 10 percent, pounds per cy. FB Fly
ash or natural pozzolan conforming to the
requirements in AASHTO Designation M 295, Class
F or N with a CaO content up to 15 percent,
pounds per cy. SL GGBFS, pounds per
cy. MC  Minimum amount of cementitious material
specified, pounds per cy. X 1.8 for innocuous
aggregate, 3.0 for all other aggregate.
Note. For precast concrete, MCTC and X 0 for
innocuous and 3.0 for all other aggregates.
6
Equation 2 (Cement Check)
Where MC  Minimum amount of cementitious
material specified, pounds per cy. MSCM The
minimum sum of SCMs that satisfies Equation 1,
pounds per cy. PC The amount of portland cement
in the mix, pounds per cy.
7
Climate Areas
http//www.dot.ca.gov/hq/esc/techpubs/manual/bridg
emanuals/bridge-memo-to-designer/page/Section208/
8-2.pdf
8
Example 1 Bridge Deck in CA I
481
160
274
5
9
Additional Information Submitted
  • Cement Source CEMEX Cupertino, Type II
  • SCM Source Headwater Resources, Inc. Type (a)
    Centralia Fly Ash
  • Aggregate Source Teichert Esparto (Innocuous)
  • Fly Ash CaO content 8
  • Shrinkage Test Results Passed with similar mix
    approved within 3 years
  • Climate Area I
  • Concrete in Corrosive Environment No
  • Concrete to be used for Bridge Deck
  • Chemical Admixture 5 oz/cwt Master Builders
    Pozzolith 322 N (Water Reducing Admixture)

10
Materials Verification
  • 1. Cement
  • On Pre-Qualified Products List (PQPL)? ? Yes ?
    No (If No, reject mix)
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/Cementitious.xls
  • 2. Blended Cement
  • Blended Cement proposed? ? Yes ? No (If No,
    skip to 3)
  • All Blending Materials on PQPL? ? Yes ? No
    (If No, reject mix)
  • 3. Supplementary Cementitious Materials
  • All SCMs on PQPL? ? Yes ? No (If No, reject
    mix)
  • Fly Ash CaO content verified? ? Yes ? No (If
    No, reject mix)
  • 4. Aggregate
  • Proposed Gradation given? ? Yes ? No (If No,
    reject mix)
  • Within Grading Limits? ? Yes ? No (If No,
    reject mix)
  • On PQPL? ? Yes ? No (If Yes, reduced
    X allowed in Section B)
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/aggregate_for_concrete.pdf

11
Materials Verification (Cont.)
  • 5. Chemical Admixtures
  • Chemical Admixtures proposed? ? Yes ? No (If
    No, skip to 6)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No
  • http//www.dot.ca.gov/hq/esc/approved_products_li
    st/pdf/Approved_Chem_Admix_List.doc
  • 6. Air-entraining Admixtures
  • Air-Entraining Admixture proposed? ? Yes ? No
    (If No, skip to 7)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No
  • 7. Lithium Nitrate Admixtures
  • Lithium Nitrate Admixture proposed?? Yes ? No
    (If No, skip to 8)
  • On PQPL? ? Yes ? No (If No, reject mix)
  • Dosage Verified (per plans or manufacturers
    recommendations) ? Yes ? No

12
Mix Design Testing
  • 8. Shrinkage Test Compliance (for paving, bridge
    decks, and approach slabs)
  • Shrinkage Test Data Verified ? Yes ? N/A ? No
    (If No, reject mix)
  • Verify similar mix design as needed per
    90-1.01 ? Yes ? N/A ? No (If No, reject
    mix)
  • Required shrinkage testing
  • AASHTO T 160

Maximum Shrinkage of Laboratory Cast Specimens at
28 days Drying (average of 3, )
Condition
Paving and approach slab concrete
0.050
Bridge deck concrete
0.045
Note. Shrinkage requirement is waived for
concrete that is used for precast elements.
13
Mix Design Calculations
  • 9. Check Minimum Specified Amount of Cementitious
    Material
  • Include amount of blended cement per 90-2.01
  • Blended cement not used.
  • For bridge decks
  • MC675 lbs/cy
  • Reduction of cementitious materials per 90-4.05
  • Water reducing admixture used 5 reduction in MC
  • Calculate MC
  • Therefore, MC 0.95x675 lbs/cy
  • Calculate TC

lbs/cy
641
MC


TC
lbs/cy
641
160
481

MC
TC
? OK ? Reject
14
Mix Design Calculations (Cont.)
  • 10. Check Amount of Free Water (90-6.06)

MC
641
328.2
328.2
274
? OK ? N/A ? Reject
15
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations
  • Equation 1
  • UF0
  • FA160 lbs/cy
  • FB0
  • SL0
  • MC641 lbs/cy
  • X1.8 (innocuous aggregate)

FA
MC
160
641
? OK ? N/A ? Reject
16
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Determine MSCM
  • MC641 lbs/cy
  • MSCMis all fly ash

FA
MC
FA
641
FA
96.2
lbs/cy
MSCM
lbs/cy
96.2
17
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Equation 2
  • MC641 lbs/cy
  • MSCM96.2 lbs/cy
  • PC481 lbs/cy

96.2
641
481
? OK ? N/A ? Reject
18
Mix Design Calculations (Cont.)
  • 12. Check Strength Development Time Equation
  • Per SSP S8-C02 instructions, only use Strength
    Development Time section for projects in Climate
    Areas I and II.
  • Strength development time equation
  • UF0
  • FFAFB160 lbs/cy
  • SL0
  • TC641 lbs/cy

F
160
? OK ? N/A
641
19
Mix Design Calculations (Cont.)
  • 13. Check Corrosion Control Specifications
  • Per SSP S8-C04 instructions, use for concrete in
    direct contact with a corrosive environment,
    including those located in Climate Area III as
    defined in the RTL Guide.
  • ? OK ? N/A ? Reject
  • 14. Check Freezing Condition Equations
  • Per SSP S8-C05 instructions, use when project
    falls within the post mile limits shown for
    Climate Area III as defined in the RTL Guide.
  • ? OK ? N/A ? Reject

20
Questions
21
Example 4 Bridge Deck in CA III
337
203
135
284
22
Freezing Equations w/ Deicing
  • (25xUF) (12xFA) (10xFB) (6xSL) / TC X
    and
  • Equation 2 does not apply.
  • plus the additional constraints
  • 4x(FAFB) / TC 1 and
  • 10xUF / TC 1 and
  • 2x(UFFAFBSL) / TC 1
  • And the allowance
  • 27x(TC-MC) / MC 5

23
Additional Information Submitted
  • Aggregate Source Non-Innocuous
  • Fly Ash CaO content 10
  • Climate Area III
  • Concrete in Corrosive Environment No
  • Concrete near Deicing Chemicals Yes
  • Concrete to be used for Bridge Deck
  • Chemical Admixture No Water Reducing Admixture

24
Mix Design Calculations
  • 1. Check Amount of Cementitious
    Material (Checklist 9)
  • Include amount of blended cement per 90-2.01
  • Blended cement not used.
  • For bridge decks
  • MC675 lbs/cy
  • Reduction of cementitious materials per 90-4.05
  • Water reducing admixture not used no reduction
    in MC
  • Calculate MC
  • Calculate TC

lbs/cy
675
MC



TC
lbs/cy
675
135
337
203

MC
TC
? OK ? Reject
25
Mix Design Calculations (Cont.)
  • 10. Check Amount of Free Water (90-6.06)

TC
675
335
335
284
? OK ? N/A ? Reject
26
Mix Design Calculations (Cont.)
  • 2. Check Required Use of SCM Equations (Checklist
    11)
  • Concrete near deicing chemicals in Section 8-2
  • Equation 1
  • UF0
  • FA135 lbs/cy
  • FB0
  • SL203 lbs/cy
  • TC675 lbs/cy
  • X3.0 (non-innocuous aggregate)

SL
FA
TC
? OK ? N/A ? Reject
27
Mix Design Calculations (Cont.)
  • 12. Check Strength Development Equation
  • Per SSP S8-C02 instructions, only use Strength
    Development Time section for projects in Climate
    Areas I and II.
  • OK ? N/A
  • 13. Check Corrosion Control Specifications
  • Per SSP S8-C04 instructions, use for concrete in
    direct contact with a corrosive environment,
    including those located in Climate Area III as
    defined in the RTL Guide.
  • ? OK ? N/A ? Reject

28
Mix Design Calculations (Cont.)
  • 3. Check Freezing Condition Equations (Checklist
    14)
  • Per SSP S8-C05 instructions, use when project
    falls within the post mile limits shown for
    Climate Area III as defined in the RTL Guide.
  • Equation 2
  • FA135 lbs/cy
  • FB0
  • TC675 lbs/cy

? OK ? N/A ? Reject
29
Mix Design Calculations (Cont.)
  • 4. Check Freezing Condition Equations (Cont.)
  • Equation 3
  • UF0
  • TC675 lbs/cy

? OK ? N/A ? Reject
30
Mix Design Calculations (Cont.)
  • 5. Check Freezing Condition Equations (Cont.)
  • Equation 4
  • UF0
  • FA135 lbs/cy
  • FB0
  • SL203 lbs/cy
  • TC675 lbs/cy

135
203
675
? OK ? N/A ? Reject
31
Mix Design Calculations (Cont.)
  • 6. Check Freezing Condition Equations (Cont.)
  • Equation 5
  • TC675 lbs/cy
  • MC675 lbs/cy

? OK ? N/A ? Reject
32
Example 6 - Typical Minor Concrete Mix
260
150
100
260 150 100
284
284
33
Additional Information Submitted
  • Aggregate Source Non-Innocuous
  • Fly Ash CaO content 10
  • Climate Area II
  • Concrete in Corrosive Environment No
  • Concrete near Deicing Chemicals No
  • Concrete to be used for Minor Concrete

34
Mix Design Calculations
  • 9. Check Minimum Specified Amount of Cementitious
    Material
  • Include amount of blended cement per 90-2.01
  • Blended cement not used.
  • For minor concrete
  • MC505 lbs/cy
  • Reduction of cementitious materials per 90-4.05
  • Water reducing admixture not used no reduction
    in MC
  • Calculate MC
  • Calculate TC

lbs/cy
505
MC



TC
lbs/cy
510
100
260
150

MC
TC
? OK ? Reject
35
Mix Design Calculations (Cont.)
  • 10. Check Amount of Free Water (90-6.06)

TC
510
310
310
284
? OK ? N/A ? Reject
36
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations
  • Equation 1
  • UF0
  • FA100 lbs/cy
  • FB0
  • FA150 lbs/cy
  • MC505 lbs/cy
  • X3.0 (non-innocuous aggregate)

SL
FA
MC
100
150
505
? OK ? N/A ? Reject
37
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Determine MSCM (from left to right)
  • UF0
  • FA100 lbs/cy
  • FB0
  • FA150 lbs/cy
  • MC505 lbs/cy

FA
SL
MC
100
SL
lbs/cy
52.5
SL
505


MSCM
lbs/cy
153
100
52.5
38
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Equation 2
  • MC505 lbs/cy
  • MSCM153 lbs/cy
  • PC260 lbs/cy

153
505
260
? OK ? N/A ? Reject
39
Mix Design Calculations (Cont.)
  • 12. Check Strength Development Equation
  • Per SSP S8-C02 instructions, only use Strength
    Development Time section for projects in Climate
    Areas I and II.
  • Strength development equation
  • UF0
  • FFA100 lbs/cy
  • SL150 lbs/cy
  • TC505 lbs/cy

F
SL
150
100
? OK ? N/A
505
40
Mix Design Calculations (Cont.)
  • 13. Check Corrosion Control Specifications
  • Per SSP S8-C04 instructions, use for concrete in
    direct contact with a corrosive environment,
    including those located in Climate Area III as
    defined in the RTL Guide.
  • ? OK ? N/A ? Reject
  • 14. Check Freezing Condition Equations
  • Per SSP S8-C05 instructions, use when project
    falls within the post mile limits shown for
    Climate Area III as defined in the RTL Guide.
  • ? OK ? N/A ? Reject

41
Example 5 Bridge Column in CA III
42
Additional Information Submitted
  • Aggregate Source Non-Innocuous
  • Fly Ash CaO content 10
  • Climate Area III
  • Concrete in Corrosive Environment No
  • Concrete near Deicing Chemicals No
  • Concrete to be used for Bridge Column
  • Chemical Admixture 3 oz/cwt Water Reducing
    Admixture

43
Mix Design Calculations
  • 9. Check Minimum Specified Amount of Cementitious
    Material
  • Include amount of blended cement per 90-2.01
  • Blended cement not used.
  • For bridge columns
  • MC590 lbs/cy
  • Reduction of cementitious materials per 90-4.05
  • Water reducing admixture used 5 reduction in MC
  • Calculate MC
  • Therefore, MC 0.95x590 lbs/cy
  • Calculate TC

lbs/cy
561
MC



TC
lbs/cy
564
85
310
169

MC
TC
? OK ? Reject
44
Mix Design Calculations (Cont.)
  • 10. Check Amount of Free Water (90-6.06)

MC
564
312.8
312.2
258
? OK ? N/A ? Reject
45
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations
  • Equation 1
  • UF0
  • FA85 lbs/cy
  • FB0
  • FA169 lbs/cy
  • MC561 lbs/cy
  • X3.0 (non-innocuous aggregate)

SL
FA
MC
85
169
561
? OK ? N/A ? Reject
46
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Determine MSCM (from left to right)
  • UF0
  • FA85 lbs/cy
  • FB0
  • SL169 lbs/cy
  • MC561 lbs/cy

FA
SL
MC
85
SL
lbs/cy
110.5
SL
561


MSCM
lbs/cy
196
85
110.5
47
Mix Design Calculations (Cont.)
  • 11. Check Required Use of SCM Equations (Cont.)
  • Equation 2
  • MC561 lbs/cy
  • MSCM196 lbs/cy
  • PC310 lbs/cy

196
561
310
? OK ? N/A ? Reject
48
Mix Design Calculations (Cont.)
  • 12. Check Strength Development Equation
  • Per SSP S8-C02 instructions, only use Strength
    Development Time section for projects in Climate
    Areas I and II.
  • OK ? N/A
  • 13. Check Corrosion Control Specifications
  • Per SSP S8-C04 instructions, use for concrete in
    direct contact with a corrosive environment,
    including those located in Climate Area III as
    defined in the RTL Guide.
  • ? OK ? N/A ? Reject

49
Mix Design Calculations (Cont.)
  • 14. Check Freezing Condition Equations
  • Per SSP S8-C05 instructions, use when project
    falls within the post mile limits shown for
    Climate Area III as defined in the RTL Guide.
  • Equation 6
  • UF0
  • FFA85 lbs/cy
  • FA169 lbs/cy
  • TC564 lbs/cy

F
SL
169
85
564
? OK ? N/A ? Reject
50
Questions
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