latex modified concrete for bridge deck overlays

Provide customers with tailor-made solutions

Latex Modified Concrete For Bridge Deck Overlays - Cemen Tech

Sep 26, 2017  Why Latex Modified Concrete Is Used For Cold Climate Bridge Deck Overlays. Updated November 2019. In colder climates, bridge decks undergo a freeze-thaw cycle more severe than other types of concrete infrastructure. This is because they’re exposed to weather conditions on the top and bottom, unlike sidewalks and other concrete

Get Price

Latex Modified Concrete for Bridge Deck Overlays

Feb 17, 2021  Trinseo’s Modifier A™/NA Latex and Latex Modified Concrete technology were developed over 50 years ago for rehabilitation of old and worn out bridge deck surfaces. This technology has stood the test of time; both as a technology that continues to be selected for bridge deck overlays, and in actual performance, with many LMC overlays

Get Price

426 LATEX MODIFIED CONCRETE OVERLAY FOR BRIDGE DECKS -

Jun 09, 2020  The price of this item shall be fixed at 1.4 times the price bid for Removal of Portions of Existing Concrete Deck. 426.04.04 Latex Modified Concrete Overlay will be measured and paid for at the Contract unit price per cubic yard for the Latex Modified Concrete Overlay item. Measurement for the volume of concrete will be based on the meter ...

Get Price

Latex Modified Concrete Bridge Deck Overlay Standard ...

Bridge Deck Overlay, Additional, is paid based on the actual cost of the materials as invoiced by the material supplier, or at a pre-determined unit bid price as set up in the contract, to as closely as possible capture the actual cost of the extra materials only. Payment for bid items for Latex Modified Concrete Overlay will be made under:

Get Price

Latex Modified Concrete Bridge Deck Overlay Standard ...

Bridge Deck Overlay, Additional, is paid based on the actual cost of the materials as invoiced by the material supplier, or at a pre-determined unit bid price as set up in the contract, to as closely as possible capture the actual cost of the extra materials only. Payment for bid items for Latex Modified Concrete Overlay

Get Price

426 LATEX MODIFIED CONCRETE OVERLAY FOR BRIDGE DECKS

Jun 09, 2020  The price of this item shall be fixed at 1.4 times the price bid for Removal of Portions of Existing Concrete Deck. 426.04.04 Latex Modified Concrete Overlay will be measured and paid for at the Contract unit price per cubic yard for the Latex Modified Concrete Overlay item. Measurement for the volume of concrete will be based on the meter ...

Get Price

Maryland Chooses Latex Overlay for Bridge Decks Where ...

Mar 02, 2021  The MDTA chooses latex modified concrete (LMC) for most bridge deck preservation projects. A mix of concrete and latex solids, LMC has been used as a bridge deck overlay treatment for more than 50 years. The extended lifespan of LMC keeps bridges in satisfactory condition longer compared to alternative overlay methods, which helps Pines and his ...

Get Price

BRIDGE DECK LATEX CONCRETE OVERLAY Effective: May

BRIDGE DECK LATEX CONCRETE OVERLAY Effective: May 15, 1995 Revised: April 30, 2021 This work shall consist of the preparation of the existing concrete bridge deck and the construction of a latex overlay to the specified thickness. Materials. Materials shall meet the

Get Price

Latex Modified Concrete Heavy Civil Wagman Concrete Group

Latex Modified Concrete (LMC) is considered the “ideal repair material” and is primarily used as a thin bonded overlay to protect bridge decks and parking structures. As Latex Modified Concrete cures, the polymer forms internal plastic films and provides the following improvements to the concrete surface: Low Permeability The concrete’s ...

Get Price

Evaluation of Very High Early Strength Latex Modified ...

Very High Early Strength, Concrete bridge deck overlay, Latex Modified Concrete, Blended Cement No restrictions. This document is available to the public through National Technical Information Center, Springfield, Virginia 22161 19. Security Classification (of this report) 20. Security Classification (of this page) 21. No. of Pages 22. Price

Get Price

Rapid Set Concrete Bridge Deck Overlays

Rapid Set Concrete Bridge Deck Overlays Edward Liberati, P.E., Hydro-Technologies/Modified Concrete Suppliers, (502)693-3253, [email protected] ABSTRACT Latex Modified Concrete (LMC) Overlays have been used to overlay and repair bridge decks since the 1960’s. LMC was designed by the DOW Chemical company as an overlay product to repair ...

Get Price

Installation Procedures - Modified Concrete Suppliers, LLC

Through proper bridge deck surface preparation – superior bonding of the overlay will occur – this will lead to the longest lasting Latex Modified Concrete overlays. Installation of LMC Overlay Be conscious of weather conditions – avoid hot, dry, windy weather.

Get Price

Item 439 Bridge Deck Overlays

Bridge Deck Overlays 1. DESCRIPTION Overlay concrete bridge deck surface with concrete overlay (CO), latex-modified concrete overlay (LMC), or multi-layer polymer overlay (MLPO). 2. MATERIALS Provide materials conforming to the pertinent requirements of the following Items except as noted below. Item 421, “Hydraulic Cement Concrete,” and

Get Price

Denois Creek Bridge Deck Overlay with Rapid Set® Latex ...

Apr 24, 2019  ctscement/

Get Price

Bridge Decking - BASF

Polymers for latex modified concrete. Bridge deck deterioration is a major problem wherever de-icing salts are used. De-icing salts are a major contributor to corrosion of the rebar within the bridge deck. The breakdown begins when salts attack th edeck surface.

Get Price

polymer modified mortar

Polymer-Modified Mortars And Concrete Mix Design. 2019-2-4 Of various polymer-modified mortar and concrete, latex-modified mortar and concrete have superior properties, such as high tensile and flexural strength, excellent adhesion, high waterproofness, high abrasion resistance and good chemical resistance, to ordinary cement mortar and concrete.

Get Price

Fast Setting PDF Concrete Fracture

• Close bridge at 9 p.m. • Mill and shot blast the bridge deck by 11 p.m. • Place the overlay by 2 a.m. • Open lane to traffic by 5 a.m. This scenario provides about 3 hours for placing and finishing concrete and strength development.

Get Price

Styrene-butadiene latex modifiers for bridge deck overlay ...

Styrene-butadiene (S/B) latex modified concrete overlays are being used to protect new bridge decks from rapid deicer-borne chloride intrusion and also in bridge deck rehabilitation efforts.

Get Price

LATEX-MODIFIED CONCRETE BRIDGE DECK OVERLAYS:

Latex-Modified Concrete Bridge Deck Overlays: Field Performance Analysis ALFRED G. BISHARA Data on field performance of 132 bridge decks overlaid with latex mortar or concrete in Ohio, Michigan, Kentucky, and West Virginia, as well as some data from Minnesota and Vermont, were collected. Common durability distress fea­

Get Price

Latex and microsilica modified concrete bridge deck ...

The final report presents information collected by ODOT personnel from bridge deck overlays constructed in Oregon between 1989 and 1995. Decks were placed on a variety of existing bridge types prepared using hydrodemolition, milling, and diamond grinding followed by sand, water or air blasting.

Get Price

LATEX-MODIFIED CONCRETE BRIDGE DECK OVERLAYS: FIELD ...

LATEX-MODIFIED CONCRETE BRIDGE DECK OVERLAYS: FIELD PERFORMANCE ANALYSIS. Data on field performance of 132 bridge decks overlaid with latex mortar or concrete in Ohio, Michigan, Kentucky, and West Virginia, as well as some data from Minnesota and Vermont, were collected.

Get Price

The Use of Fiber Reinforcement in Latex Modified Concrete ...

Latex-modified concrete (LMC) and LMC-Very Early Strength (LMC-VES) concrete are commonly used by Departments of Transportation (DOTs) in bridge overlays. Overlays placed over concrete structures and roadways avoid full structural replacement and have been identified as an effective means of increasing service life of bridge decks [6].

Get Price

BRIDGE DECK LATEX CONCRETE OVERLAY Effective: May

BRIDGE DECK LATEX CONCRETE OVERLAY Effective: May 15, 1995 Revised: April 30, 2021 This work shall consist of the preparation of the existing concrete bridge deck and the construction of a latex overlay to the specified thickness. Materials. Materials shall meet the

Get Price

How LMC Overlays Got Their Start in Arkansas Bridge Decks ...

Apr 27, 2021  An Arkansas bridge engineer shares surprising stories of bridge decking projects featuring the use of latex-modified concrete overlays By Staff Writer April 27, 2021 The first time Michael Hill used latex-modified concrete to rehabilitate a bridge deck, the project was saved by what he calls the perfect storm.

Get Price

STRUCTURAL EVALUATION OF SLAB REHABILITATION BY THE

Method 2 LMC overlays for Type 1 and 2 bridge deck repairs. 17. Key Words hydrodemolition, latex-modified concrete, overlay, slab 18. Distribution Statement No restrictions. This document is available from the National Technical Information Service, Springfield, VA 22161 19. Security Classif. (of this report) Unclassified 20. Security Classif ...

Get Price

Rigid Overlays: Expected Service Life - Michigan

of latex, resulting in a latex modified concrete overlay. In the mid 1990s silica fume was introduced to the concrete mix design, this design was generally only used with deep overlays. The application of an overlay is implemented with respect to the most current bridge deck preservation matrix (Appendix Fig 5-14). According to the most current

Get Price

Polyester Polymer Concrete for Bridge Deck Overlays

overlays, including but not limited to asphalt concrete, high-density concrete, silica fume concrete, latex-modified concrete, and various types of polymer concrete (Doody and Morgan 1993). Polyester polymer concrete (PPC) is one type of polymer concrete that has been successfully used for bridge deck overlays. PPC consists of a polyester-based ...

Get Price

Evaluation of Very High Early Strength Latex Modified ...

Very High Early Strength, Concrete bridge deck overlay, Latex Modified Concrete, Blended Cement No restrictions. This document is available to the public through National Technical Information Center, Springfield, Virginia 22161 19. Security Classification (of this report) 20. Security Classification (of this page) 21. No. of Pages 22. Price

Get Price

Early age performance of latex-modified concrete bridge ...

Environmental factors and physical properties of latex modified concrete (LMC) are hypothesized to contribute to early age cracking in bridge deck overlays. Cracking permits the ingress of moisture and aggressive solutions into the substrate and may contribute to other subsequent distresses. Understanding the material properties and mechanisms involved is necessary to minimize these distresses.

Get Price

Causes and controls of cracking at bridge deck overlay ...

Very-early strength latex-modified concrete (hereafter, VES-LMC) was developed by focusing on workability and strength development for early opening to the traffic after three hours of concrete placement. ... The map cracks of bridge deck overlays with VES-LMC were caused by initial plastic shrinkage cracking within a few hours after placement ...

Get Price

Bridge Decking - BASF

Polymers for latex modified concrete. Bridge deck deterioration is a major problem wherever de-icing salts are used. De-icing salts are a major contributor to corrosion of the rebar within the bridge deck. The breakdown begins when salts attack th edeck surface.

Get Price