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

Section 90 Training Section 90 Training ExamplesExamples

ByDulce Rufino Feldman

Doran GlauzTom Ruckman

Equation 1 (ASR)Equation 1 (ASR)

X

MC

SL6FB10FA12UF25

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, MC=TC and X = 0 for innocuous and 3.0 for all other aggregates.

Equation 2 (Cement Check)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.

0PCMSCMMC

Climate AreasClimate Areas

http://www.dot.ca.gov/hq/esc/techpubs/manual/bridgemanuals/bridge-memo-to-designer/page/Section%208/8-2.pdf




Example #1 – Bridge Deck in CA IExample #1 – Bridge Deck in CA I

481160

5

274

Additional Information SubmittedAdditional 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)

Materials VerificationMaterials Verification1. Cement

On Pre-Qualified Product’s List (PQPL)? Yes No (If No, reject mix)

http://www.dot.ca.gov/hq/esc/approved_products_list/pdf/Cementitious.xls2. 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 SCM’s 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_list/pdf/aggregate_for_concrete.pdf

http://www.dot.ca.gov/hq/esc/approved_products_list/pdf/Cementitious.xls



Materials Verification (Cont.)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 manufacturer’s recommendations)

Yes No

http://www.dot.ca.gov/hq/esc/approved_products_list/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 manufacturer’s recommendations)

Yes No7. 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 manufacturer’s recommendations)

Yes No



Mix Design TestingMix Design Testing8. 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)

Condition Maximum Shrinkage of Laboratory Cast Specimens at 28 days Drying (average of 3, %)

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.

Required shrinkage testing: AASHTO T 160

Mix Design CalculationsMix Design Calculations9. Check Minimum Specified Amount of Cementitious Material

Include amount of blended cement per 90-2.01Blended cement not used.

For bridge decks: MC=675 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:

OK Reject

lbs/cyMC =

≥

+ =TC =

641

MCTC

641160481 lbs/cy

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)10. Check Amount of Free Water (90-6.06)

20100

550MC310)cy/lbs(FW

2.32820100

550641310)cy/lbs(FW

328.2

2.328274)cy/lbs(FW 328.2274

OK N/A Reject

MC

641

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)11. Check Required Use of SCM Equations Equation 1:

UF=0 FA=160 lbs/cy FB=0 SL=0 MC=641 lbs/cy X=1.8 (innocuous aggregate)

X

MC

SL6FB10FA12UF25

X

MC

SL6FB10FA12UF25

8.10.3

641

16012

FA

MC

160

641

OK N/A Reject

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)11. Check Required Use of SCM Equations (Cont.) Determine MSCM:

MC=641 lbs/cy MSCM=is all fly ash

X

MC

SLFBFAUF

6101225

8.1

641

12

FA

FA

MC

FA

641

X

MC

SLFBFAUF

6101225

FA = 96.2 lbs/cy

lbs/cyMSCM = 96.2

FA

12

8.1641

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)11. Check Required Use of SCM Equations (Cont.) Equation 2:

MC=641 lbs/cy MSCM=96.2 lbs/cy PC=481 lbs/cy

OK N/A Reject

0PCMSCMMC

08.634812.96641 96.2641 481

Mix Design Calculations (Cont.)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:

UF=0 F=FA+FB=160 lbs/cy SL=0 TC=641 lbs/cy

7

TC

SL11F19UF41

OK N/A

77.4641

16019

160

641

7

TC

SL11F19UF41

F

Mix Design Calculations (Cont.)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

QuestionsQuestions

Example #4 – Bridge Deck in CA IIIExample #4 – Bridge Deck in CA III

337

135

203

284

Freezing Equations w/ DeicingFreezing Equations w/ Deicing

[(25xUF) + (12xFA) + (10xFB) + (6xSL)] / TC ≥ X and;

Equation 2 does not apply.

plus the additional constraints: 4x(FA+FB) / TC ≤ 1 and; 10xUF / TC ≤ 1 and; 2x(UF+FA+FB+SL) / TC ≤ 1

And the allowance: 27x(TC-MC) / MC ≤ 5

Additional Information SubmittedAdditional 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

Mix Design CalculationsMix Design Calculations1. Check Amount of Cementitious Material (Checklist #9)

Include amount of blended cement per 90-2.01Blended cement not used.

For bridge decks: MC=675 lbs/cy

Reduction of cementitious materials per 90-4.05: Water reducing admixture not used: no reduction in MC

Calculate MC:

Calculate TC:

OK Reject

lbs/cyMC =

≥

+ =TC =

675

MCTC

675135337 + 203 lbs/cy

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)2. Check Required Use of SCM Equations (Checklist #11) “Concrete near deicing chemicals” in Section 8-2 Equation 1:

UF=0 FA=135 lbs/cy FB=0 SL=203 lbs/cy TC=675 lbs/cy X=3.0 (non-innocuous aggregate)

X

TC

SL6FB10FA12UF25

X

MC

SL6FB10FA12UF25

FA

TC

32.4

675

203613512

135

675

203

SL

OK N/A Reject

Mix Design Calculations (Cont.)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:

FA=135 lbs/cy FB=0 TC=675 lbs/cy

1

TC

FBFA4

1TC

FBFA4

FA

TC

18.0

675

1354

135

675

OK N/A Reject

Mix Design Calculations (Cont.)Mix Design Calculations (Cont.)4. Check Freezing Condition Equations (Cont.) Equation 3:

UF=0 TC=675 lbs/cy

1TC

UF10

10

TC

UF10

TC

OK N/A Reject


UF=0 FA=135 lbs/cy FB=0 SL=203 lbs/cy TC=675 lbs/cy

1

TC

SLFBFAUF2

1

TC

SLFBFAUF2

FA SL

TC

11

675

2031352

135 203

675

OK N/A Reject


TC=675 lbs/cy MC=675 lbs/cy

5

MC

MCTC27

5

MC

MCTC27

TC

TC MC

50

675

67567527

675 675

675

OK N/A Reject

QuestionsQuestions

Documents

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