Attachment B - Polymer Concrete Spec Section 1039.70.pdf
PDF 437 KB Posted
- Attached to
- Polymer Concrete
- Solicitation number
- 300000183276830
- Issued by
- Missouri
About this file
This is a technical specification document for polymer concrete materials to be used at bridge expansion joints in a state or local transportation project. The specification establishes requirements for a fast-setting epoxy-based polymer concrete product that must be resilient, self-adhering, and waterproof while maintaining bond integrity under repeated impact and thermal cycling. The material must not flow or become tacky at temperatures up to 130°F, must resist ultraviolet radiation, petroleum products, and abrasion, and must cure at temperatures above 50°F. The specification includes detailed testing requirements for both the liquid epoxy components (with a 1:1 mixing ratio by volume, 25-50 minute gel time, minimum 900 psi tensile strength, and 45-75 Shore D hardness) and the cured polymer concrete including aggregate (minimum 2,500 psi compression strength at 24 hours, 700 psi bond shear strength, and 70 percent resilience).
Prior to use, manufacturers must submit certified test reports from independent laboratories demonstrating compliance with all specification requirements, along with one-quart samples of each component, technical data sheets, and material safety data sheets. The qualified materials list will be established following engineer approval of certified test results and satisfactory laboratory testing of submitted samples. Any changes to the manufacturing process or material formulation require submission of new certified test results and samples. Final acceptance requires manufacturer certification that the supplied material is identically formulated to the approved and tested material and meets all specified requirements.
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Text version
SECTION 1039.70 POLYMER CONCRETE.
1039.70.1 Scope. This specification covers polymer concrete consisting of a fast setting epoxy based solid that may contain aggregate for use at bridge expansion joints.
1039.70.2 General Requirements. The polymer concrete shall be resilient, self-adhering, water tight and shall withstand and remain bonded to the surrounding material under repeated impact and thermal cycling. The polymer concrete shall not flow or become tacky at temperatures up to 130 F, shall be resistant to ultraviolet radiation, petroleum products and abrasion, and shall be capable of curing at all temperatures above 50 F. Mixing and placement shall be in accordance with the manufacturer's recommendations.
1039.70.2.1 The combined liquid components with no aggregate added shall be in accordance with the following requirements:
Epoxy Requirements Property Specific Value
Mixing Ratio, by Volume 1:1 Viscosity (ASTM D 2393), Poises, Spindle 2, 30 rpm, 25 C ± 2 C 9-20 Color Black Gel Time (AASHTO M-200-73), minutes 25-50 Elongation (ASTM D 638a), percent 45-55 Tensile Strength (ASTM D 638a), psi , min. 900 Shore D Hardness (ASTM D 2240), 77 F 45-75 aTest Method Type 1, Molded Specimens, 0.25 inches thickness
1039.70.2.2 The cured polymer concrete including aggregate, which shall be supplied by the manufacturer, shall be in accordance with the following requirements:
Polymer Concrete Requirements Property Specific Value
Compression strength (ASTM C 579), psi min. at 24 hours 2,500 Bond Shear Strength (ASTM C 882), psi 700 Abrasion Resistance (ASTM C 501), Wear Index (Taber H- 22), max.
1.0
Compressive Stress (OK/OHD L-6), psi 350 Resilience (OK/OHD L-6), percent 70
1039.70.3 Manufacturer and Brand Name Approval. Prior to approval and use of this material, the manufacturer shall submit to Construction and Materials a certified test report from an independent laboratory showing specific test results in accordance with all requirements of this specification. The certified test report shall contain the manufacturer's name, brand name of material, lot tested, date of manufacture and ratio of components. In addition, the manufacturer shall submit a one-quart sample of each component, A and B, for laboratory testing accompanied by a technical data sheet and a material safety data sheet.
With approval from the engineer of the certified test report and satisfactory results of tests performed on the sample submitted, the brand name and manufacturer will be placed on a qualified list of polymer concretes. New certified test results and samples shall be submitted any time the manufacturing process or the material formulation is changed and may be required when random sampling and testing of material offered for use indicates nonconformity with any of the requirements herein specified.
ATTACHMENT B
1039.70.4 Acceptance. To obtain final acceptance of this material, the manufacturer shall furnish certification to the engineer at destination certifying that the material supplied is in accordance with all requirements specified and stating that the material is identically formulated to the material tested for manufacturer and brand name approval.
ATTACHMENT B
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