Guidelines for Specifying and Achieving Smooth Concrete

Understanding Metakaolin: Specifying for... - Construction Canada

Understanding Metakaolin: Specifying for high-performance, durable concrete. Metakaolin can be added to any type of concrete, and its fineness allows for smoother and more durable facings. This makes them ideal for any cement intended for architectural purposes—applications such as noise

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PDF) UHPC Advancements & Industrialization -The NEED for

This paper presents an historical perspective of the development and current testing procedures of Ultra-High Performance Concrete (UHPC) in North America, and explores the need for specific standardized tests for UHPC.

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Floor Flatness and Levelness Can Severely ... - Concrete Decor

This can apply to concrete slab placements as well. You can have a very flat slab that’s not level or you can have a level slab with elevation variances so the surface isn’t flat. The FF/FL requirements for the project are called out in The Construction Specifications Institute’s 03300 specification section on concrete placement.

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RIGID CORE-CLICK LVT INSTALLATION INSTRUCTIONS

Concrete floors shall be flat and smooth within the equivalent of 1/32″ in 12″ and 3/16″ in 10 feet. • Leveling and patching: For concrete subfloors, use only high-quality Portland cement-based materials (minimum 3000 psi

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CONCRETE ACCESSORIES Sika® ARCHITECTURAL

and depths to achieve the best visual effect. FOR GENERATIONS, Sika has been proud to promote and advance the use of concrete, and architectural concrete is no exception. Since 1975, Sika has been at the forefront of technology for texturing tilt-up, cast-in-place and precast concrete.

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How Much Does a Concrete Patio Cost to Build?

How Much Does a Concrete Patio Cost to Build? Concrete patio costs average between $1,657 and $4,304, with a national average of $2,942. Installing a new patio is a great way to add more outdoor

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SECTION 07513-BUILT-UP ASPHALT ROOFING OVER LWC

1. Flashing securement devices shall be of adequate design to achieve substantial and positive anchorage. a. Anchor bars for flashing securement to concrete or masonry substrates shall be 1/8" x 1" flat aluminum bar with 8" hole spacing by OMG, or approved equal. PSFA BUILT-UP ASPHALT ROOFING OVER LWC 07513 - 4 . .

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Burnished Concrete - Types, Uses and Benefits - The

The concrete must have a maximum nominal aggregate size of 10, 14 or 20 mm and shall be placed by means of the chute, pump, kibble. If the concrete floor is designed to be of any specific colour, the cement and the colour pigment must be specified. The concrete shall have a nominal slump of 80-100mm with a tolerance of ±15-20mm. 2. Concrete

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U.S. Access Board - Chapter 4: Ramps and Curb Ramps

Recommendation: Providing the least possible slope below the 1:12 (8.33%) maximum offers better usability for a wider range of users.Specifying a running slope of 7.5% maximum and a cross slope of 1.5% maximum for exterior ramps will accommodate most irregularities or variances due to construction methods or materials according to a study sponsored by the Board ("Dimensional Tolerances in

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Specification Guidelines: Allan Block Modular Retaining

specific concrete retaining wall unit, and as specified herein. B. Ensure that units are in full contact with base. Proper care shall be taken to develop straight lines and smooth curves on base course as per wall layout. C. Fill all cores and cavities and a minimum of 12

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Surface finish quality - Concrete

The Concrete Society Advice 17 Achieving good quality as-struck in-situ concrete surface finishes gives some guidance on achieving good quality finishes. Note: Terminology is important, CP110 1970 , the forerunner to current structural concrete codes, stated in clause 6.10.1 that The appropriate finish, which may vary from face to face, should

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302.1R-04 Guide for Concrete Floor and Slab Construction

Guide for Concrete Floor and Slab Construction ACI 302.1R-04 FOREWORD The quality of a concrete floor or slab is highly dependent on achieving a hard and durable surface that is flat, relatively free of cracks, and at the proper grade and elevation. Properties of the surface are determined by the

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Guidelines for Concrete Mix Designs

The main body of the guidelines focuses on the process of reviewing the mix design. The appendices provide a discussion of performance issues and code requirements for concrete as well as a discussion of what typically is considered when writing the project specification sections for concrete, and examples of how these specifications

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Chapter 4 Construction Details - Caltrans

This section provides guidelines for inspecting concrete curbs, sidewalks, and their appurtenances, such as gutter depressions, island paving, curb ramps, and driveways. For specifications about the construction of concrete curbs and sidewalks, refer to Section 73, “Concrete Curbs and Sidewalks,” of the Standard Specifications.

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New Surface Finishes for As-Cast Formed Concrete | For

For a Smooth-Form Finish, ACI 301-05 did not allow form-facing materials with raised grain, torn surfaces, worn edges, dents or other defects that would impair the texture of the concrete

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How to Design an Ideal Floor for Warehouse and Logistics

In warehouses and logistics buildings the concrete slab and flooring are critical to the effective functioning of the operations. However, it is often the perception that the concrete floor is one of the most straight forward elements of the project, and many times the overall attention paid to design and construction detail is less than proportional to its ultimate importance in the efficient

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Specifying Concrete Shrinkage - Structural engineering general

Most designers will simply specify Standard Concrete and place no limit on shrinkage. Unless you know that those figures cannot be achieved from the suppliers in your area, in which case you Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding

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Guidelines for Specifying and Achieving Smooth Concrete

specifying and constructing concrete pavements to an initial smoothness standard that cost-effectively captures these benefits. Guidelines for Building Smooth Concrete Pavements. Real-Time Smoothness •Real-Time Smoothness (RTS) refers to measuring and evaluating the concrete

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Concrete Delivers

Concrete mixture with a slump between 3 - 5 inches is of the appro-priate consistency to place and finish a good quality pavement for parking areas. Curing of concrete is a very important step to ensure a long last-ing durable pavement. Selecting the Optimum Concrete Thickness The thickness of a concrete parking area should be selected according to

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Pumadeq System Concrete Surface Profiles

Concrete surface preparation for Concrete Surface Profiles CSP 1 and CSP 2. Concrete surface profiles categorized as CSP 1 or CSP 2 are too smooth and may compromise adhesion. Refer to ICRI Technical Guidelines number 310-2R-2013 for substrate specific surface

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Shear-Friction and Intentionally Roughened Surface

Typically you need to specify "1/4 inch amplitude roughness (down to competent concrete)." Contractors can achieve this, but it requires a lot of effort/time. Usually it is better to provide drill and expoxy dowels with appropriate embedment and

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DRIVEWAY STANDARDS AND SPECIFICATIONS

smooth steel float finish. The surface of the driveway must . NOT . be coated with any epoxy type ‘paint’ or other sealant. These types of surfaces may result in a smooth finish, which can be slippery in wet weather. 14. Concrete slabs without control joints must not

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How To Finish Concrete | Troweling - Broom - Stamping - Smooth

The basic steps for finishing concrete are: After pouring the concrete let the concrete firm up enough so you can only press your fingers into the surface about 1/4 of an inch. On your first finishing pass, use a mag float to smooth the surface. With moderate

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Standard Specification for Application of Portland Cement

C926 - 11a 3.2.3 acid etching—the cleansing and controlled erosion of a solid surface, using an acid wash. 3.2.4 air entrainment—the use of an air-entraining admix- ture or air-entraining cementitious material in a plaster mix to yield a controlled quantity of minute (typically between 10 and

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Concrete slump test - Wikipedia

The concrete slump test measures the consistency of fresh concrete before it sets. It is performed to check the workability of freshly made concrete, and therefore the ease with which concrete flows. It can also be used as an indicator of an improperly mixed batch.

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INSTALLATION INSTRUCTIONS

Concrete floors shall be flat and smooth within the equivalent of 1/32″ in 12″ and 3/16″ in 10 feet. • Leveling and patching: For concrete subfloors, use only high-quality Portland cement-based materials (minimum 3000 psi

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3 RIGID PAVEMENT BEST PRACTICES | Guide to Using Existing

216 GUIDE TO USING EXISTING PAVEMENT IN PLACE AND ACHIEVING LONG LIFE Summary for Unbonded Concrete Overlays of Concrete Pavements Based on the review of the best practices and performance of pavement sections in the LTPP database and related data in these best practices, the design recommendations for long-lived unbonded concrete overlays are

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Now Available! "Best Practice Guidelines for Real-Time Smoothness

The RTS guide titled "Implementation of Best Practices for Concrete Pavements—Guidelines for Specifying and Achieving Smooth Concrete Pavements" is now available, as well as the "Realtime Smoothness Pocket Reference". For the "Realtime Smoothness Pocket Reference" and "Real-Time

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Concrete Surface Preparation & Profiles

ASTM D7682, Standard Test Method for Replication and Measurement of Concrete Surface Profiles Using Replica Putty SSPC-SP13/NACE 6, Surface Preparation of Concrete ICRI Standard 310.2 Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, Polymer Overlays, and Concrete Repair with CSP Chips.

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Guidelines for Specifying and Achieving Smooth Concrete

specifying and constructing concrete pavements to an initial smoothness standard that cost-effectively captures these benefits. As an important means of measuring smoothness as placed by the paver, real-time smoothness (RTS) technology is arguably one of the most impactful technologies for concrete pavement

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Technical Questions and Answers Archive - American

ACI 308.1-11, “Specification for Curing Concrete,” and ACI 308R-16, “Guide to External Curing of Concrete” are excellent reference documents. ASA recommends curing a minimum of 7 days, and prefers curing with water, maintaining a continuously wet surface condition for the 7-day period.

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