St-70 — concrete mix information – Multiquip ST70 User Manual

Page 15

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ST-70 — PARTS & OPERATION MANUAL — REV. #4 (05/29/07) — PAGE 15

ST-70 — CONCRETE MIX INFORMATION

Job Identification* _______________________________________ Date* ______________________________________

Architect* ______________________________________________ General Contractor* ___________________________

Structural Engineer* _____________________________________ Concrete by* ________________________________

THE PROPORTIONS SHOWN HERE ARE A RECOMMENDATION BASED ON TESTS OF SAMPLES RECEIVED BY THE
LABORATORY. TESTS PERFORMED BY SUPPLIERS OR MANUFACTURERS OR ON PRIOR KNOWLEDGE OF THE
MATERIALS INVOLVED AND IS LIMITED TO INFORMATION DERIVED FROM THESE SAMPLES TESTS BY OTHERS OR
TO THAT PRIOR KNOWLEDGE.

IT IS UNDERSTOOD THAT THE CHEMICAL AND/OR PHYSICAL CHARACTERISTICS OF THESE MATERIALS ARE
SUBJECT TO VARIATIONS THAT MAY ADVERSELY AFFECT THE FINISHED PRODUCT AND THAT THIS MIX DESIGN IS
NOT TO BE USED EXCEPT AT THE USERS OWN RISK UNLESS THESE VARIATIONS ARE DETERMINED AND
COMPENSATED FOR IN A MANNER APPROVED BY THE LABORATORY IN WRITING.

Specifications requirements:

3000 P.S.I.

in 28 DAYS

4" SLUMP

PUMP MIX

4" DIA LINE

SIEVE ANALYSIS

PER CENT PASSING U.S. STANDARD SIEVE

MATERIAL ......... 1 1/2 ............ 1 ............... 3/4 ..................................................................................................................
FAI WCS ....................................................................... 100 ........ 98 ............ 86 ........... 70 ....... 48 ........ 24 ..... 8 ......... 97.5
FA2 ...................................................................................................................................................................................
CA1 #4-3/8" .............................................. 100 ............. 94 .......... 16 ............ 4 ............................................................... 90.5
CA2 #3-1 ................................ 100 ........... 93 ............... 57 .......... 6 .............. 1 ............................................................... 91.0
CA3 ..................................................................................................................................................................................

............................................... 100 ........... 97 ............... 83 .......... 51 ............ 41 ........... 33 ....... 23 ........ 11 ..... 4 .........

Source of Coarse & Fine Aggregates -*

Cement – Type* Mix No*

Cement Sks/Cu. Yd. ................................................................ 5.
Cement – Lbs. ........................................................................ 525
Sand, Lbs. W.C.S. ................................................................... 1520
No. 4 Gravel (3/8"), Lbs. .......................................................... 480
No. 3 Gravel (1"), Lbs. ............................................................. 1230
No. 2 Gravel (1-1/2"), Lbs. .......................................................
Water, Lbs............................................................................... 295
Total Weight .................................................................... 4050
Water, gal. per yd. ................................................................... 35.4
Water, gal./Sk. per yd. ............................................................. 6.3
Slump, calculated ................................................................... 4"
Admixture ............................................................................... 3 fl. oz. POZZOLITH 300N/100 * OF CEMENT

Max. Water Allowable ............................................................. *

* THIS INFORMATION PROVIDED BY ENGINEER OR BATCH PLANT

THE ABOVE MIX DESIGN IS TYPICAL OF A PUMPABLE MIX. TO BE USED AS A GUIDELINE ONLY. REFER TO LOCAL
AGENCY FOR JOB SPECIFICATION.

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