This Code prescribes testing programs and evaluation requirements for post-installed reinforcing bars intended for use in concrete under the straight-bar development and splice length design provisions of ACI CODE-318. Testing and assessment criteria are provided for various conditions of use, including seismic loading, sustained loading, aggressive environments, and reduced and elevated temperatures. Criteria are provided for establishing the required characteristic bond strength, reductions for adverse conditions, and associated job-site quality control requirements.
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This Specification describes the work of repairing defects in hardened portland-cement concrete with an epoxy mortar. Included are controls for epoxy resin system labeling, storage, handling, surface evaluation and preparation, mixing and application, inspection, quality control, and testing..
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Waterfront and coastal concrete marine structures are exposed to severe environmental conditions for which concrete is ideally suited. These conditions include wind; waves, including seiches and tsunamis; ice and ship impact; abrasion and impact from floating debris; passing vessel effects; and seismic events. As many of these structures are pile-supported, the seismic loading can be critical and, therefore, a discussion of piles and their installation is included in this guide. Also provided are the measures that can be taken to minimize the undesirable effects of these environmental factors and reduce the potential for serious problems.
This guide also defines waterfront and coastal concrete marine structures, discusses materials that can be used to construct them, describes potential durability issues and how to mitigate them, and presents sustainability and serviceability requirements. Design loads, analysis techniques, design methodology, and construction considerations are also presented. Other topics include quality control (QC), above-water and below-water inspection of these structures, and repair of damaged structures. The materials, processes, QC measures, and inspections described in this guide should be tested, monitored, or performed as applicable only by qualified individuals holding the appropriate ACI certifications or equivalent.
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This report provides information on the use of both bonded and unbonded concrete overlay solutions for the rehabilitation of concrete and asphalt pavements. Information is provided on the characteristics of each overlay type along with important design and construction considerations. Critical considerations are provided for the selection of the appropriate overlay type to meet the needs and condition of the project.
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Type IL (pronounced “one-el”) portland-limestone cements were introduced in ASTM C595/C595M and AASHTO M 240 standard specifications for blended cements in 2012. These cements contain between 5 and 15% limestone, compared to the 5% maximum limestone content of ASTM C150/AASHTO M 85 portland cements. Type IL cements perform comparably to portland cements and do so with up to 10% lower CO2 emissions per ton of cement. Although portland-limestone cements have been available in other parts of the world, the availability and adoption of these cements in practice have only recently become widespread in the United States (as of 2022) (Schexnayder 2022). Many specifiers may have limited experience in incorporating these cements into project specifications.
Keywords:
heat of hydration; high early strength; low-carbon concrete; mixture design; portland-limestone cements; specifications; sulfate resistance.
Code:
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This Specification provides requirements for circular precast polymer-concrete manholes for use in sanitary and storm sewer systems. It includes ordering information, minimum physical and chemical requirements for the polymer concrete mixture, criteria for designing the manhole components, manufacturing and quality control requirements, and documentation to certify the adequacy of the design.
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IEEE 1127-2023 - Guide for the Design, Construction, and Operation of Electric Power Substations for Community Acceptance and Environmental Compatibility
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Abstract: Significant community acceptance and environmental compatibility items to be considered during the planning and design phases, the construction period, and the operation of electric supply substations are identified, and ways to address these concerns to obtain community acceptance and environmental compatibility are documented. On-site generation and telecommunication facilities are not considered.
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The 2024 National Design Specification (NDS) for Wood Construction
Author(s): American Wood Council Edition: 2024 Published By: American Wood Council Related Links:
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What are cement-based product Environmental Product Declarations (EPDs) and how are they used to support sustainability-related efforts?
Keywords:
Environmental Product Declarations (EPDs); life cycle assessment (LCA); sustainability.
Code:
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