caltrans authorized chemical admixtures for concrete

CALTRANS AUTHORIZED CHEMICAL ADMIXTURES FOR

216 行  Jun 08, 2021  CALTRANS AUTHORIZED CHEMICAL ADMIXTURES FOR CONCRETE (ASTM C494) Dosage rates used to qualify for appropriate ASTM tests**, fl. oz. Per 100 lbs. of cement (report date) At the qualifying ASTM dosage (s), what changes are expected relative to the reference concrete? Tel. No: (216) 839-8500.

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Authorized Materials Lists (AML) Caltrans

47 行  Chemical Admixtures for Concrete (ASTM C494) Authorization Requirements for Concrete

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CALTRANS AUTHORIZED AIR-ENTRAINING ADMIXTURES FOR

47 行  Jun 02, 2021  CALTRANS AUTHORIZED AIR-ENTRAINING ADMIXTURES FOR

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APPROVED ADMIXTURES FOR USE IN CONCRETE

The list of Approved Admixtures for Use in Concrete is published and updated periodically for reference primarily by Caltrans field personnel and others involved in Caltrans projects. As per State of California, Department of Transportation, Standard Specifications (May 2006), Section 90-4.03, or Standard Specifications (2010), Section 90-1.01D ...

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Chapter 4: Construction Details, Section 90: Concrete ...

Be aware that if the submitted mix design uses an authorized water-reducing admixture at the authorized dosage, the specified cementitious material content may be reduced up to 5 percent by weight under Section 90-1.02E(2), “Chemical Admixtures,” of the Standard Specifications. This provision is not allowed for concrete pavements.

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Chapter 4 Construction Details - California

Be aware that if the submitted mix design uses an authorized water -reducing admixture at the authorized dosage, the specified cementitious material content may be reduced up to 5 percent by weight under Section 90-1.02E(2), “Chemical Admixtures,” of the

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APPROVED ADMIXTURES FOR USE IN CONCRETE

The list of Approved Admixtures for Use in Concrete is published and updated periodically for reference primarily by Caltrans field personnel and others involved in Caltrans projects. As per State of California, Department of Transportation, Standard Specifications (May 2006), Section 90-4.03, or Standard Specifications (2010), Section 90-1.01D ...

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Caltrans Amendments to the Specifications

Admixtures A. Chemical Admixtures – ASTM C494 BAiB. Air-entii dittraining admixtures – ASTM C260ASTM C260 C. Lithium Nitrate shall be in an aqueous solution conforming to the following: 1. Lithium Nitrate (LiNO3) must be 30% +/- 0.5% by weight 2. Sulfate (() ppSO4) must be less than 1000 ppm 3. Chloride (Cl) must be less than 1000 ppm 4.

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Chapter 4 Construction Details - California

proposed products are on the current Authorized Material List or laboratory test data is submitted . • Require certificates of compliance for fly ash, admixtures, cement, joint sealant, dowel bars, chemical adhesive, compression seal , backer rods, joint filler materials , and epoxy powder coating.

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SECTION 321313 - CONCRETE PAVING

Use of admixtures shall not relax cold weather placement requirements. Use set retarding admixtures meeting ASTM C 494 during hot weather only when approved by the University. Add air entraining agent meeting ASTM C 260, to concrete mix for concrete work [subject to

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Approved Products List (APL)

Jun 02, 2021  APL Approved Products List ASTM American Society for Testing and Materials ... 1006 – Portland Cement Concrete Admixtures 57 1006-2 Admixture Containing Calcium Chloride, Set Accelerator 57 ... Euclid Chemical Company 09015 US SPEC Transpatch 11/17 11/22 US Mix Co

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Item 416 Drilled Shaft Foundations

Use a water-reducing, retarding admixture in accordance with DMS-4640, “Chemical Admixtures for Concrete,” in all concrete when using casing that will be pulled or when placing shafts underwater or under slurry. Use concrete with slump that meets the requirements of Table 2 as determined by Tex-415-A. Table 2 Slump Requirements Placement Type

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SECTION 03 31 01 SCULPTED CONCRETE PART 1 GENERAL

d. C260, Standard Specification for Air-entraining Admixtures for Concrete. e. C494/C494M, Standard Specification for Chemical Admixtures for Concrete. f. C618, Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete. g. C979, Standard Specification for Pigments for Integrally Colored Concrete. h.

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KDOT: Pre-Qualified Materials Listing

Jun 24, 2021  Chemical Admixtures For Concrete - Material Code Group: 042 - (05/24/21) 3. Aggregates. 3.1 List of Non-Reactive Siliceous Aggregate Sources for Concrete (Wetting Drying List) - (03/24/21) 3.2 Lightweight Aggregate For Concrete (Modified Lightweight Aggregate) - (06/24/20)

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Product Category Rule - NSF International

Concrete PCR and align with the ASTM PCR for Precast Concrete (UN CPC 37550) in order to increase ... Chemical Admixture – Accelerators ASTM C494/C494M Type C/E Chemical Admixture – Air Entraining Agent ASTM C260/C260M Chemical Admixture – Hardening accelerators .

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CONCRETE ROAD PAVEMENT by WIRTGEN SP500 PAVER

ASTM C1017/C1017M (2013) Standard Specification for Chemical Admixtures for Use in Producing . Flowing Concrete . ASTM C1064/C1064M (2011) Standard Test Method for Temperature of Freshly Mixed . Hydraulic-Cement Concrete . ASTM C1077 (2014) Standard Practice for Laboratories Testing Concrete

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Approved Materials List - Louisiana

NOTE: Effective August 1st, 2020, all Concrete Patching Products currently listed on either of Louisiana’s Approved Materials List (AML) for: “Patching Materials for Precast or Prestressed Concrete Products” and/or “Rapid Setting Patching Materials for Concrete”, will be made “Inactive”.The Department has created an all-inclusive AML for concrete patching products called ...

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Institute for Transportation

Concrete for concrete bridge decks must contain a shrinkage reducing chemical admixture. Each cubic yard of concrete must contain at least 3/4 gallon of a shrinkage reducing admixture. If you use the maximum dosage rate shown on the Authorized Material List for the shrinkage reducing admixture, your

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SECTION 033000 - CAST-IN-PLACE CONCRETE

Liquid admixtures shall be considered part of the total water. Lightweight Concrete shall contain an air entrainment admixture conforming to ASTM C260, to produce an air content of 3 to 5 percent at point of placement. Water Reducing Admixture: ASTM C494, Type A. Provide in all concrete at necessary dosage to facilitate placement.

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Caltrans DES-PPMOE

Concrete for concrete bridge decks must contain a shrinkage reducing chemical admixture. Each cubic yard of concrete must contain at least 3/4 gallon of a shrinkage reducing admixture. If you use the maximum dosage rate shown on the Authorized Material List for the shrinkage reducing admixture, your submitted shrinkage test data does not need ...

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Caltrans Amendments to the Specifications

Admixtures A. Chemical Admixtures – ASTM C494 BAiB. Air-entii dittraining admixtures – ASTM C260ASTM C260 C. Lithium Nitrate shall be in an aqueous solution conforming to the following: 1. Lithium Nitrate (LiNO3) must be 30% +/- 0.5% by weight 2. Sulfate (() ppSO4) must be less than 1000 ppm 3. Chloride (Cl) must be less than 1000 ppm 4.

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Chapter 4 Construction Details - California

proposed products are on the current Authorized Material List or laboratory test data is submitted . • Require certificates of compliance for fly ash, admixtures, cement, joint sealant, dowel bars, chemical adhesive, compression seal , backer rods, joint filler materials , and epoxy powder coating.

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SECTION 033000 - CAST-IN-PLACE CONCRETE

Liquid admixtures shall be considered part of the total water. Lightweight Concrete shall contain an air entrainment admixture conforming to ASTM C260, to produce an air content of 3 to 5 percent at point of placement. Water Reducing Admixture: ASTM C494, Type A. Provide in all concrete at necessary dosage to facilitate placement.

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Approved Products List (APL)

Jun 02, 2021  APL Approved Products List ASTM American Society for Testing and Materials ... 1006 – Portland Cement Concrete Admixtures 57 1006-2 Admixture Containing Calcium Chloride, Set Accelerator 57 ... Euclid Chemical Company 09015 US SPEC Transpatch 11/17 11/22 US Mix Co

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SECTION 201 - CONCRETE, MORTAR, AND RELATED

specified or approved for use, chemical admixtures, and/or SCMs, fibers, color, and/or reclaimed concrete material. Concrete shall be specified by class, alternate class, special exposure, or compressive strength . Concrete specified by compressive strength shall be designed by the Contractor in accordance with 201-1.1.4.

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Approved Materials List - Louisiana

NOTE: Effective August 1st, 2020, all Concrete Patching Products currently listed on either of Louisiana’s Approved Materials List (AML) for: “Patching Materials for Precast or Prestressed Concrete Products” and/or “Rapid Setting Patching Materials for Concrete”, will be made “Inactive”.The Department has created an all-inclusive AML for concrete patching products called ...

get price

Item 416 Drilled Shaft Foundations

Use a water-reducing, retarding admixture in accordance with DMS-4640, “Chemical Admixtures for Concrete,” in all concrete when using casing that will be pulled or when placing shafts underwater or under slurry. Use concrete with slump that meets the requirements of Table 2 as determined by Tex-415-A. Table 2 Slump Requirements Placement Type

get price

Institute for Transportation

Concrete for concrete bridge decks must contain a shrinkage reducing chemical admixture. Each cubic yard of concrete must contain at least 3/4 gallon of a shrinkage reducing admixture. If you use the maximum dosage rate shown on the Authorized Material List for the shrinkage reducing admixture, your

get price

CONCRETE ROAD PAVEMENT by WIRTGEN SP500 PAVER

ASTM C1017/C1017M (2013) Standard Specification for Chemical Admixtures for Use in Producing . Flowing Concrete . ASTM C1064/C1064M (2011) Standard Test Method for Temperature of Freshly Mixed . Hydraulic-Cement Concrete . ASTM C1077 (2014) Standard Practice for Laboratories Testing Concrete

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Part 1 General Provisions

201-1 PORTLAND CEMENT CONCRETE. 201-1.1 Requirements. 201-1.1.1 General. Concrete shall consist of portland cement, concrete aggregates, water, and when required or approved for use,chemical admixture, and/or fly ash supplementary cementitious materials, fibers, color, and/or reclaimed concrete material in accordance with these provisions.

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SECTION 32 13 43 - Stanford University

Current Caltrans Standard Specification Sections A. SECTION 31 10 00 – Site Preparation ... ASTM C260 “Specification for Air-Entraining Admixtures for Concrete” 10. ASTM C494 “Specification for Chemical Admixtures for Concrete” 11. ASTM C595 “Specification for Blended Hydraulic Cements” (Types IP or IS only)

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SECTION 600 MISCELLANEOUS CONSTRUCTION SECTION 601 ...

Approved fly ash may be substituted for portland cement up to a maximum of 30 percent Class F by weight. Class H concrete is used for bare concrete bridge decks that will not receive a waterproofing membrane. Additional requirements for Class H concrete are: An approved water reducing admixture shall be incorporated in the mix. Class H

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Quantitative Assessment of Infrared Analysis of Concrete ...

Sep 10, 2013  This study investigates quantitative methods for assessment of infrared analysis of concrete admixtures using correlation coefficients by performing IR scans following the ASTM C494/C494M-11 specifications. In order to achieve this goal, numerous IR scans were performed on specimens supplied by the manufacturer from different batches to ensure uniformity and equivalency.

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