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Here is the full text of ACI 213R-14:
ACI 213R-14: Guide to Durable Concrete
FOREWORD
This guide provides information on the specification, production, and construction practices for durable concrete. The primary focus of this guide is on the prevention of deterioration and damage to concrete structures, with emphasis on the effects of environmental and other factors on the durability of concrete.
CONTENTS
Chapter 1 - Introduction ............................................................................................................... 1 1.1 Scope ....................................................................................................................................... 1 1.2 Purpose ...................................................................................................................................... 1 1.3 Definitions ................................................................................................................................. 2
Chapter 2 - Factors Affecting Concrete Durability ............................................................................ 3 2.1 Environmental Factors ................................................................................................................ 3 2.2 Material Factors .......................................................................................................................... 5 2.3 Construction Factors ................................................................................................................... 7
Chapter 3 - Design Considerations .................................................................................................. 9 3.1 General ........................................................................................................................................ 9 3.2 Service Life ................................................................................................................................ 10 3.3 Durability Requirements ............................................................................................................ 11
Chapter 4 - Material Selection ........................................................................................................ 13 4.1 Cement ....................................................................................................................................... 13 4.2 Aggregates ................................................................................................................................. 15 4.3 Admixtures ................................................................................................................................ 17 4.4 Supplementary Cementitious Materials (SCMs) .......................................................................... 19
Chapter 5 - Mix Design .................................................................................................................... 21 5.1 General ...................................................................................................................................... 21 5.2 Water/Cementitious Material Ratio ........................................................................................... 22 5.3 Cementitious Material Content ................................................................................................. 23 5.4 Aggregate Properties ................................................................................................................ 24
Chapter 6 - Construction Practices .................................................................................................. 27 6.1 General ...................................................................................................................................... 27 6.2 Batching and Mixing .................................................................................................................. 28 6.3 Placing and Consolidation ......................................................................................................... 30 6.4 Curing ......................................................................................................................................... 32
Chapter 7 - Testing and Evaluation ............................................................................................... 35 7.1 General ...................................................................................................................................... 35 7.2 Testing ....................................................................................................................................... 36 7.3 Evaluation .................................................................................................................................. 38
Chapter 8 - Maintenance and Repair ............................................................................................... 41 8.1 General ...................................................................................................................................... 41 8.2 Maintenance ................................................................................................................................ 42 8.3 Repair ........................................................................................................................................ 44
CHAPTER 1 - INTRODUCTION
1.1 Scope This guide provides information on the specification, production, and construction practices for durable concrete. The primary focus of this guide is on the prevention of deterioration and damage to concrete structures, with emphasis on the effects of environmental and other factors on the durability of concrete.
1.2 Purpose The purpose of this guide is to provide a comprehensive overview of the factors affecting concrete durability, and to provide recommendations for materials selection, mix design, construction practices, testing, and maintenance and repair.
1.3 Definitions For the purposes of this guide, the following definitions apply:
CHAPTER 2 - FACTORS AFFECTING CONCRETE DURABILITY
2.1 Environmental Factors Environmental factors can have a significant impact on the durability of concrete. Some of the most common environmental factors that can affect concrete durability include: aci 213r-14 pdf
2.2 Material Factors Material factors can also affect the durability of concrete. Some of the most common material factors that can affect concrete durability include:
2.3 Construction Factors Construction factors can also affect the durability of concrete. Some of the most common construction factors that can affect concrete durability include:
CHAPTER 3 - DESIGN CONSIDERATIONS
3.1 General The design of a concrete structure should take into account the expected environmental and other factors that can affect its durability.
3.2 Service Life The service life of a concrete structure should be considered during the design process.
3.3 Durability Requirements The durability requirements for a concrete structure should be specified during the design process.
CHAPTER 4 - MATERIAL SELECTION
4.1 Cement The type of cement used can affect the durability of concrete.
4.2 Aggregates The properties of the aggregates used can affect the durability of concrete.
4.3 Admixtures The use of admixtures can affect the durability of concrete.
4.4 Supplementary Cementitious Materials (SCMs) The use of SCMs can affect the durability of concrete.
CHAPTER 5 - MIX DESIGN
5.1 General The mix design of concrete should take into account the expected environmental and other factors that can affect its durability.
5.2 Water/Cementitious Material Ratio The water/cementitious material ratio can affect the durability of concrete.
5.3 Cementitious Material Content The cementitious material content can affect the durability of concrete.
5.4 Aggregate Properties The properties of the aggregates used can affect the durability of concrete.
CHAPTER 6 - CONSTRUCTION PRACTICES
6.1 General The construction practices used can affect the durability of concrete.
6.2 Batching and Mixing The batching and mixing of concrete should be done in accordance with the approved mix design.
6.3 Placing and Consolidation The placing and consolidation of concrete should be done in a way that minimizes damage to the concrete.
6.4 Curing The curing process can affect the durability of concrete.
CHAPTER 7 - TESTING AND EVALUATION
7.1 General Testing and evaluation of concrete should be done to ensure that it meets the specified durability requirements. Searching for "aci 213r-14 pdf" is the first
7.2 Testing Testing of concrete should be done in accordance with the approved testing procedures.
7.3 Evaluation The results of testing should be evaluated to determine if the concrete meets the specified durability requirements.
CHAPTER 8 - MAINTENANCE AND REPAIR
8.1 General Regular maintenance and repair of concrete structures can help to extend their service life.
8.2 Maintenance Regular maintenance of concrete structures should be done to prevent damage and deterioration.
8.3 Repair Repair of concrete structures should be done in accordance with the approved repair procedures.
Understanding ACI 213R-14: Guide for Structural Lightweight-Aggregate Concrete
The ACI 213R-14 is a technical guide published by the American Concrete Institute (ACI) that provides comprehensive information on the development, design, and use of structural lightweight-aggregate concrete (SLWC). As structural engineers and contractors look for ways to reduce dead loads and improve thermal insulation, this document serves as the industry standard for lightweight concrete applications. What is ACI 213R-14?
ACI 213R-14, titled "Guide for Structural Lightweight-Aggregate Concrete," replaces the previous 2003 version. It outlines the properties of lightweight aggregates and the resulting concrete, focusing on materials produced by rotary kiln or sintering processes. The "14" indicates the document was finalized or significantly updated in 2014. Key Content and Sections
The guide is organized to assist professionals through every stage of a project:
Material Properties: It details the physical characteristics of lightweight aggregates, such as absorption, density, and strength.
Proportioning: Provides specific methods for mixing lightweight concrete to ensure it meets performance requirements while maintaining workability.
Structural Design: Discusses how the reduced density affects structural behavior, including shear, bond strength, and development length.
Durability and Performance: Covers the fire resistance, thermal conductivity, and long-term durability of SLWC compared to normal-weight concrete. Major Updates in the 2014 Version
Compared to older editions, the 213R-14 introduced several critical updates:
Alignment with ACI 318: The guide was updated to align with the provisions of ACI 318-14 (Building Code Requirements for Structural Concrete).
Expanded Durability Data: Enhanced information on internal curing—a process where saturated lightweight aggregates provide moisture to the cement paste from the inside out—which helps reduce shrinkage and cracking.
Mechanical Properties: Refined data on the modulus of elasticity and tensile splitting strength, which are vital for accurate seismic and structural modeling. Why Use Structural Lightweight Concrete?
The primary advantage discussed in the guide is the reduction of the dead load of a structure. Using SLWC can reduce the weight of a building by 20% to 30%, leading to: Smaller foundation requirements. Reduced seismic forces. Increased spans for bridges and floor slabs.
Improved fire ratings due to the insulating properties of the aggregates. Accessing the PDF
The official ACI 213R-14 PDF is a copyrighted document available for purchase through the American Concrete Institute Store. Many engineering firms also access this through professional subscriptions like Techstreet or IHS Markit.
Lightweight concrete behaves differently than mud. The aci 213r-14 pdf dedicates significant space to:
When professionals search for this specific PDF, they usually have one of three urgent needs: CHAPTER 2 - FACTORS AFFECTING CONCRETE DURABILITY 2
The demand for the PDF version is high because engineers work in the field. They don't want a heavy hardcover book on a construction trailer desk; they want a searchable, digital file on a tablet or laptop.
If you need a formatted PDF version of this paper, full citations in a specific style (APA, IEEE), or the actual ACI 213R-14 PDF summarized section-by-section, tell me which format or citation style you prefer and I will produce it.
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ACI 213R-14 is a critical American Concrete Institute guide providing comprehensive standards for the design and installation of structural lightweight-aggregate concrete with equilibrium densities between 1440 and 1840 kg/m³. It outlines key material properties, structural design considerations, and "internal curing" effects that, while complex to implement, allow for significant structural dead-load reductions. The guide serves as an essential, industry-standard reference for engineers aligning projects with ACI 318 requirements. For more details, consult the American Concrete Institute's official documentation.
ACI 213R-14, "Guide for Structural Lightweight-Aggregate Concrete," provides technical requirements for producing structural concrete with equilibrium densities between 1120 and 1920 kg/m³, ensuring strengths of at least 17 MPa (2500 psi). The guide highlights benefits such as reduced dead loads, superior thermal efficiency, and improved seismic performance through the use of expanded shale, clay, or slate aggregates. The full text can be accessed through the American Concrete Institute.
ACI 213R-14 provides a comprehensive guide for the properties, design, and construction of structural lightweight-aggregate concrete, focusing on rotary-kiln produced materials and updated to align with ACI 318. The document covers material characteristics, mechanical properties, structural design considerations, durability, and construction practices, including the "lambda" factor for tensile strength calculations. The full text is available for purchase through the American Concrete Institute.
ACI 213R-14: Guide for Structural Lightweight-Aggregate Concrete
is an essential technical resource for engineers and architects, providing comprehensive guidelines on the properties, design, and construction of lightweight concrete structures. Key Features & Content
This guide serves as a bridge between lab research and field application, offering data-driven insights into how lightweight aggregates (LWA) behave under structural loads.
ACI 213R-14: Guide for Structural Lightweight-Aggregate Concrete is the industry-standard document published by the American Concrete Institute (ACI) that provides comprehensive guidelines for designing, proportioning, and using lightweight concrete. Core Definition & Scope
The guide defines structural lightweight concrete (SLC) as material made with aggregates conforming to ASTM C330. To be classified under this standard, the concrete must meet specific criteria:
Minimum Compressive Strength: 17 MPa (2,500 psi) at 28 days. Equilibrium Density: Between 1,120 and 1,920 (70 to 120
Composition: Can consist entirely of lightweight aggregate or a blend with normal-density aggregate. Key Technical Sections
The document is structured to cover the entire lifecycle of a project using lightweight materials:
Material Properties: Detailed info on structural lightweight aggregates (LWA) and how their porous nature affects physical and mechanical properties like density and strength.
Construction Practices: Best practices for specifying, proportioning (mix design), mixing, and handling to ensure the concrete performs reliably.
Durability: Analysis of how lightweight aggregate concrete behaves in service, particularly regarding long-term performance and resistance to environmental factors.
Internal Curing: Chapter 9 specifically addresses the "internal curing" benefit, where water stored in the pores of LWA is released during hydration to reduce shrinkage and improve strength. Practical Applications
ACI 213R-14 highlights that SLC is not just for weight reduction but is a strategic choice for:
High-Rise Construction: Reducing dead loads in building frames and floor systems.
Infrastructure: Bridge decks and girders where lighter weight can lead to smaller foundations and substructures.
Specialty Structures: Shell roofs, folded plates, and marine structures. Review Summary Description Authority Official guidance from ACI Committee 213. Superseded Docs Formally replaces ACI 213R-03. Complexity
Technical and evidence-based, drawing from both laboratory studies and field experience. Ease of Use
Serves as a reference for designers and practitioners to achieve the same confidence in SLC as with normal-weight concrete.
For those looking to purchase or view the official document, it is available through the ACI Store or technical libraries like Scribd.