926-1 Types of Compounds.
Epoxy resin-based compounds for application to portland cement concrete, bituminous cement concrete, metals and other type surfaces shall be applicable for the following types as designated. Products may only be used for applications recommended by the manufacturer. Table 926-1 Type Description AB* An epoxy resin, for bonding fresh or hardened concrete to hardened concrete and constructing doweled splices in precast prestressed concrete piles. E* A fluid epoxy for crack injection in the repair of old structures. F F-1* F-2** An epoxy for repairing spalled areas on concrete bridge structures with these subtypes: A non-sagging gel type for vertical surfaces. A pourable type for repairs where forms are to be used. H** An epoxy for structural bonding w here asphalt overlays are to be in contact with the hardened compound. K* An epoxy for underwater sealing of the bottom of the jacket of an integral pile jacket system. M*** A coal tar epoxy coating for steel sheet piles and H piles (water immersion) and hot applied coal tar epoxy tape. PSE* A two-part epoxy system to match the cast faces of joints between precast segmental concrete superstructure and/or substructure segments. Q* An epoxy for use in post tensioning anchorage protection sys tems. *Accepted by APL **Accepted by certified test report ***Accepted by certification
926-2 Epoxy Design Requirements.
926-2.1 General: All types of compounds, except for Type M, shall be thermosetting
containing no volatile solvent, and be pure reactive material. All types of compounds except for Type M shall have simple mix ratios of one to one, two to one, or shall be supplied in pre - proportioned containers in which all the contents are to be mixed. All types of compounds shall be labeled with the manufacturer’s name, brand name, component type (resin, hardener or filler), mix ratio, mixing directions, date manufactured, shelf life, a nd the manufacturer’s LOT number. Potential hazards shall be stated on each package in accordance with the Federal Hazardous Products Labeling Act . Certain terms used in this specification shall have these meanings: low modulus - the stress-strain pro perty for which ultimate tensile strength is attained at over 10% elongation. high modulus - the stress-strain property for which ultimate tensile strength is attained at under 6% elongation. non-sagging gel - grades of mixed compounds which will not perceptibly flow under their own weight on a vertical surface in the unhardened state. pourable - grades of mixed compound sufficiently fluid that they (either neat or filled) can be cast into and will take the shape of a mold. FY 2023-24 Return to Table of Contents Fillers for mixing mor tars and grouts shall be recommended by the manufacturer of the epoxy compound and supplied as packages accompanying the epoxy or premixed.
926-2.2 Approved Product List ( APL): All epoxy materials shall be one of the products
listed on the Department’s Approved Product List ( APL) unless an alternative acceptance is identified in this Specification . Manufacturers seeking evaluation of their product shall submit a n application in accordance with Section 6 and identify the epoxy type. Include with the submitt al product data sheets, safety data sheets (SDS), and certified test reports from an independent laboratory showing the product meets the requirements of this Section . Manufacturers may submit performance test reports from the National Transportation Product Evaluation Program (NTPEP) as acceptable independent laboratory data . Upon request, submit product samples to the Department for confirmatory testing and Infrared (IR) analysis.
926-3 Specific Requirements for Type AB Epoxy Compounds.
926-3.1 Mixing and Application : Type AB epoxy compounds are used for bonding
fresh or hardened concrete to harden concrete and constructing doweled splices in precast prestressed concrete piles .
926-3.2 Performance Tests : Meet the requirements of ASTM C881 Type IV and V,
Class C, when tested at 73° ± 2° F.
926-4 Specific Requirements for Type E Compounds.
Epoxies for crack injection shall meet the requirements of ASTM C881 Type IV compound with these additional requirements: Table 926-2 Viscosity five minutes after mixing 300 to 600 cps at 77 F by ASTM D2556 Wet bond strength to concrete, minimum 250 psi at seven days by FM 5 -518
926-5 Specific Requirements for Type F Compounds.
926-5 1: Repairing Spalled Areas: Epoxies for repairing spalled areas shall meet the
requirements in this Section.
926-5 2: Subtype F-1: Subtype F-1 epoxy is used for repairing vertical and other
surfaces and shall be a trowelable low modulus, non -sagging gel epoxy compound capable of bonding to wet surfaces with these properties: Table 926-3 Color Shall match gray color No. 36622 of FED -STD-595 Consistency Gel Maximum sand loading Recommended by the manufacturer Elongation in tension minimum 10% by ASTM D638, seven-day cure Wet bond to Steel and Concrete minimum 250 psi by Florida Test Method FM 5 -518 FY 2023-24 Return to Table of Contents
926-5 3: Subtype F-2: Subtype F-2 epoxy is used for filling larger spalls where a form is
required to build back to the original surface. Materials shall be a pourable low modulus type compound capable of bonding to wet surfaces with these properties: Table 926-4 Color Shall match gray color No. 36622 of FED -STD-595- Maximum sand loading Recommended by the manufacturer Elongation in tension, minimum 10% by ASTM D638, seven-day cure Exotherm 110F by ASTM D2471, 1 pint sample Wet bond strength 250 psi at seven days by FM 5-518 Type F-2 epoxy compounds will be accepted by certified test report. Submit to the Engineer testing from the manufacturer of the product for each LOT of material to be incorporated in the project . The test results will indicate that the material i s in conformance with the Specifications, and will include actual values from the required tests. Obtain approval from the Engineer before incorporating material into the project.
926-6 Specific Requirements for Type H Compounds.
Type H epoxies for struct ural bonding where bituminous pavement overlays will come in contact with the hardened compound shall meet the requirements for Types AB compounds above. Submit from the manufacturer test data showing that cutback and emulsified asphalts, asphalt cement, a nd bituminous mixes shall bond to but not soften or otherwise damage the epoxy after a curing period of four days. Type H epoxy compounds will be accepted by certified test report. Submit to the Engineer testing from the manufacturer of the product for ea ch LOT of material to be incorporated in the project . The test results will indicate that the material is in conformance with the Specifications and will include actual values from the required tests. Obtain approval from the Engineer before incorporating material into the project.
926-7 Specific Requirements for Type K Compounds.
Type K epoxies are used for sealing the bottom of integral pile jackets in the repair of concrete piles. These epoxies will be extended with the aggregate supplied by the manufacturer. The epoxy shall be factory pre -proportioned including factory supplied aggregate and meet the following requirements: Table 926-5 Compressive strength at seven days, minimum by ASTM C579B 4,500 psi Bond Strength by FM 5-518 to wet concrete, minimum 250 psi to wet pile jacket, minimum 150 psi Viscosity of mixed epoxy component at 77 F, five minutes by ASTM D2556 1,000-2,000 cps FY 2023-24 Return to Table of Contents The epoxy shall be capable of flowing through water in the void area of the jacket and hardening under water so as to provide a water tight seal of the depth indicated in the Plans or approved shop drawings and to maintain this seal during subsequent construction steps.
926-8 Specific Requirements for Type M Compounds.
Type M Coal Tar epoxy coatings for steel sheet and H piles used in bridges, fender systems and other structures subject to immersion in water shall comply with the requirements of SSPC Paint 16 with Type 1 pitch. Application of the epoxy coating shall meet the requirements of Section 560 for a coal tar epoxy coating. Hot applied coal tar epoxy tape used to protect tie back rods on sheet pile walls and bulkheads shall comply with the requirements of American Water Works Association standard C203. Application shall be according to the manufacturers published recommendations. Submit to the Engineer a manufacturer certification, confirming that the coal tar epoxy meets the requirements of this Section. The certification shall conform to the requirements of Section 6. Do not incorp orate these materials into the project until the Engineer has accepted and approved the certification for the material. Submit such certification for each LOT of material delivered to the project. In each certification, identify the serial or LOT numbers o f the containers certified.
926-9 Specific Requirements for Type PSE Epoxy Compounds.
Precast Segmental Epoxy (PSE) compounds are used for match -cast joints between precast concrete segments . Normal set PSE shall remain workable for a short open time (abo ut one hour) and meet the requirements of ASTM C881, Type VI Grade 3. Slow set PSE shall remain workable over an extended open time (about eight hours), meet the requirements of ASTM C881, Type VII Grade 3, and have a compressive yield strength of 6,000 psi at 14 days. PSE compounds shall be factory pre -proportioned and formulated to provide application temperature ranges which are suitable for the erection of match cast segments with substrate temperatures between 40°F and 105°F with a minimum of at least two, but preferably three, formulations dividing the range into approximately equal subranges which overlap by at least 5ºF.
926-10 Specific Requirements for Type Q Compounds.
Type Q epoxy compounds are used to protect the anchorages of post -tensioning t endons or bars and other uses indicated in the Plans. The material shall produce a low exothermic reaction and have flow and fill characteristics suitable for machine base plate applications. The material shall be factory pre -proportioned including factory supplied aggregate. Mix with the full aggregate loading unless the use of less aggregate is approved by the Engineer. The epoxy grout plus aggregate mix shall meet or exceed the specified physical properties stated herein as determined by the following s tandard ASTM test methods. FY 2023-24 Return to Table of Contents Table 926-6 Property Test Value Test Method Compressive Strength at 7-day Cure at 77 F 10,000 psi ASTM C579B Tensile Strength at 7 days, Cure at 77ºF 2,100 psi ASTM C307 Flexural Strength at 7days Cure at 77ºF > 3,600 psi ASTM C580 Modulus of Elasticity 7 days Cure at 77ºF < 2,100,000 psi ASTM C580 Coefficient of Thermal Expansion at 74 to 210F < 20 x 10 -6 in/in/ºF ASTM C531 Peak Exotherm, Specimen 12 x 12 x 3 in. < 150ºF ASTM D2471 Slant Shear at 7 days (Bond Strength to Concrete) > 3000 psi FM 5-587 Thermal Compatibility 90% of control FM 5-609 Linear Shrinkage at 7 days 0.025% ASTM C531 Flowability and Bearing Area 90% Contact area ASTM C1339 Gel Time, Specimen 12 x 12 x 3 in. < 4:00 (hr.) ASTM D2471 FY 2023-24 Return to Table of Contents SECTION 929 SUPPLEMENTARY CEMENTITIOUS MATERIALS
929-1 General.
Supplementary cementitious materials (SCMs) shall conform to the requirements of this Section. SCMs shall be used in concrete mix designs in accordance with Section 346. Repulpable bags may be accepted by the Engineer, provided a successful demonstration by the producer has indicated complete degradation of the repulpable bags during the mixing operation and before the mix is discharged. The Engineer may require additiona l testing beyond the requirements of this Section prior to the acceptance of any SCM sources.
929-1.1 Definitions.
The following definitions are applicable to the production and quality control (QC) of SCMs:
1.Approved Laboratory: A laboratory that is currently inspected by the Cement and Concrete Reference Laboratory (CCRL), is actively participating in the CCRL proficiency program and has corrected all deficiencies noted at the time of inspection. The laboratory must authorize the CCRL to send a co py of the final inspection report and proficiency sample results to the State Materials Office (SMO).
2.SCM Producer: Indicates an SCM supplier, including but not limited to a plant, a terminal, or a transfer facility, that has been qualified by the SM O. The Cementitious Materials Production Facility Listing will be maintained by the SMO.
3.Test Report: A certification from the SCM producer showing that the SCM meets the requirements of this Section. The test report must include, at a minimum, the following information:
a.The Type of SCM.
b.The production period.
c.Chemical and physical analysis of the SCM.
d.The silo numbers where the SCM is stored.
e.The specific gravity of the SCM.
f.The approved laboratory that perfo rmed all tests.
4.Purchaser : The term “purchaser” in the ASTM requirements sh all be taken as the Department.
929-2 Quality Control Program.
929-2.1 General: Develop a Producer QC Program as specified in Section 105.
SCM producers shall submit a prop osed QC Plan to the SMO for acceptance. Complete the Cementitious Materials Producer QC Plan Checklist (Appendix B02) and submit it along with the QC Plan, in a separate file. The checklist can be found on the SMO website: https://www.fdot.gov/materials/quality/programs/qualitycontrol/checklists/index.shtm .In addition to the QC Plan, the SCM producer must submit monthly test reports from an approved laboratory which certifies that the SCM in current production or supply conforms to the requirements of this Section. SCM producers with an accepted QC Plan will appear on the Cementitious Materials Production Facili ty Listing. FY 2023-24 Return to Table of Contents
Source: Florida Standard Specifications for Road and Bridge Construction, 2024 Edition. Pages 1017–1021 of 1,299.