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May 2022

Rehabilitation of Structure with Reinforcement Section Loss (ACI 364.10T-14) 1

Rehabilitation of Structure with Reinforcement Section Loss (ACI 364.10T-14)

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Description Integrity of reinforcement is fundamental to the strength, ductility, and safety of reinforced concrete structures. Determining the necessity of additional or replacement reinforcement is a primary concern in rehabilitation projects containing corrosion of reinforcing steel. After determining the condition of the reinforcement, remove unsound concrete, clean reinforcement, and provide additional reinforcement as needed. The […]

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Concrete Overlays for Pavement Rehabilitation (ACI 325.13R-06) 2

Concrete Overlays for Pavement Rehabilitation (ACI 325.13R-06)

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Description Hydraulic cement concrete overlays are used as a rehabilitation technique for both existing concrete and asphalt pavements. Concrete overlays offer the potential for extended service life, increased structural capacity, reduced maintenance requirements, and lower life-cycle costs when compared with hot-mix asphalt overlay alternatives .Concrete overlays have been used to rehabilitate existing concrete pavements since

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Guide for Design of Jointed Concrete Pavements for Streets and Local Roads (ACI 325.12R-02) 3

Guide for Design of Jointed Concrete Pavements for Streets and Local Roads (ACI 325.12R-02)

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Description The design of a concrete pavement system for a low traffic volume extends beyond the process of pavement thickness selection; it entails an understanding of the processes and the factors that affect pavement performance. It also encompasses appropriate slab jointing and construction practices that are consistent with local climatic and soil conditions. Concrete pavements

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Accelerated Techniques for Concrete Paving (ACI 325.11R-01) 4

Accelerated Techniques for Concrete Paving (ACI 325.11R-01)

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Description Airport authorities and road agencies face major challeng-es from increasing traffic volumes on existing airports, road-ways, and urban streets. Owners must repair or replace deteriorated pavements while maintaining traffic on these structures. Traditional pavement construction, repair, or re-placement solutions may no longer be universally acceptable due to increasing public impatience with traffic interruption. Traditional

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Guide to Fiber-Reinforced Shotcrete (ACI 506.1R-08) 5

Guide to Fiber-Reinforced Shotcrete (ACI 506.1R-08)

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Description Fiber-reinforced shotcrete (FRS) is mortar or concrete containing discontinuous discrete fibers that is pneumatically projected at high velocity onto a surface. Continuous meshes, woven fabrics, and long rods are not considered as discrete fiber-type reinforcing elements in this guide. This document provides information on fiber-reinforced shotcrete using synthetic and steel fibers. Topics covered include

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Report on Roller-Compacted Concrete Pavements (ACI 325.10R-95) 6

Report on Roller-Compacted Concrete Pavements (ACI 325.10R-95)

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Description This state-of-the-art report contains information on appli-cations, material properties, mix proportioning, design, con-struction, and quality control procedures for roller com-pacted concrete pavements (RCCP). Roller compacted con-crete (RCC) use for pavements is relatively recent and the technology is still evolving. Over the last ten years several major pavement projects have been constructed in North America

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Specification for Pervious Concrete Pavement (ACI 522.1M-13) 7

Specification for Pervious Concrete Pavement (ACI 522.1M-13)

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Description 1.1.1 This Specification provides requirements for the construction of pervious concrete pavement.1.1.2 If the requirements of this Specification conflict with the Contract Documents, the Contract Documents shall govern.1.1.3 Values in this Specification are stated in SI units. A companion Specification in inch-pound units is also available.1.1.4 Plus (+) tolerance increases the amount or dimension

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Guide for Specifying Underground Shotcrete (ACI 506.5R-09) 8

Guide for Specifying Underground Shotcrete (ACI 506.5R-09)

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Description Shotcrete, the method of spraying concrete onto a surface ,is ideally suited for the support and construction of under-ground excavations in earth and rock structures. The pneumatic projection of shotcrete onto a surface at high velocity provides specific quality enhancements that interact with the ground surface and prepared substrates, providing superior bond characteristics; increased

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Guide for the Evaluation of Shotcrete (ACI 506.4R-94) 9

Guide for the Evaluation of Shotcrete (ACI 506.4R-94)

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Description The purpose of this report is to present procedures that can be used to evaluate the quality and properties of in-place shotcrete. 1.2-Considerable literature is available on testing fresh concrete, concrete specimens, and in-place concrete. Pro-cedures for the production and testing of concrete are covered by ACI and ASTM Standards. The development of in-place

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Specification for Shotcrete (ACI 506.2M-13) 10

Specification for Shotcrete (ACI 506.2M-13)

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Description 1.1.1 Work specified—This Reference Specification covers the requirements for shotcrete as specified by the Archi-tect/Engineer. Included are the requirements for materials; proportioning; and application of structural and nonstruc-tural shotcrete, including structural and nonstructural fiber-reinforced shotcrete.1.1.2 Units—Values in this specification are stated in SI units. A companion specification in inch-pound units is also available. 1.2—Definitions

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Specification for Shotcrete (ACI 506.2-13) 11

Specification for Shotcrete (ACI 506.2-13)

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Description 1.1.1 Work specified—This Reference Specification covers the requirements for shotcrete as specified by the Archi-tect/Engineer. Included are the requirements for materials; proportioning; and application of structural and nonstruc-tural shotcrete, including structural and nonstructural fiber-reinforced shotcrete.1.1.2 Units—Values in this specification are stated in inch-pound units. A companion specification in SI units is also available. accepted—determined

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Specification for Crack Repair by Epoxy Injection (ACI 503.7-07) 12

Specification for Crack Repair by Epoxy Injection (ACI 503.7-07)

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Description This Specification covers the repair of cracks in concrete by pressure-injecting epoxy into cracks that intersect at least one accessible surface of the concrete or masonry member .It does not cover the repair of de laminations where the inter section of the cracked concrete with the surface of the concrete member is not accessible

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Guide for the Selection of Polymer Adhesives with Concrete 13

Guide for the Selection of Polymer Adhesives with Concrete

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Description This guide is intended to aid the engineer, contractor, and architect in choosing a proper polymer adhesive for adhesive bonding applications encountered in joining concrete members in construction, repair, and rehabilitation of concrete structures. The Guide presents data on the various polymer and copolymer types (epoxy, polyester, acrylic, polyurethane, silicones, vinyl acetate, and styrene-butadiene)either

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Standard Specification for Repairing Concrete with Epoxy Mortars (ACI 503.4-92,Reapproved 1997, 2003) 14

Standard Specification for Repairing Concrete with Epoxy Mortars (ACI 503.4-92,Reapproved 1997, 2003)

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Description SGl-Standard Specification ACI 503.4 is intended tobe used essentially in its entirety, by citation in theproject specification, to cover all usual requirements forrepairing concrete with epoxy mortars. Individual sec-tions, parts, and articles should not be copied into projectspecifications since taking them out of context maychange their meanings. SG2-However, adjustments to the needs of a

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Specification for Producing a Skid-Resistant Surface on Concrete by the Use of Epoxy and Aggregate (ACI 503.3M-10) 15

Specification for Producing a Skid-Resistant Surface on Concrete by the Use of Epoxy and Aggregate (ACI 503.3M-10)

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Description Concrete surfaces to which epoxies are to be appliedshall be newly prepared substrate free of loose and unsoundmaterials and contamination that affect cure or adhesion ofepoxy. Prepare surfaces by mechanical abrasion. 3.1.2Mechanical abrasion—Use abrasive blasting, shot-blasting, or other approved means.3.2—Evaluate surface before coating application3.2.1Evaluate all prepared concrete surfaces before applica-tion of coating to ensure

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Specification for Producing a Skid-Resistant Surface on Concrete by the Use of Epoxy and Aggregate (ACI 503.3-10) 16

Specification for Producing a Skid-Resistant Surface on Concrete by the Use of Epoxy and Aggregate (ACI 503.3-10)

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Description Concrete surfaces to which epoxies are to be appliedshall be newly prepared substrate free of loose and unsoundmaterials and contamination that affect cure or adhesion ofepoxy. Prepare surfaces by mechanical abrasion. 3.1.2Mechanical abrasion—Use abrasive blasting, shot-blasting, or other approved means.3.2—Evaluate surface before coating application3.2.1Evaluate all prepared concrete surfaces before applica-tion of coating to ensure

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Report on Dynamic Fracture of Concrete (ACI 446.4R-04) 17

Report on Dynamic Fracture of Concrete (ACI 446.4R-04)

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Description Impact, explosions, and earthquakes impose dynamic effects on concrete structures. Impact loading on a parapet can occur if it is struck accidentally by a crane. Seismic loading produces significant strain rates in concrete shear-walls and other lateral force-resisting elements. Explosive loading, due to accidental detonation of industrial vapor clouds or terrorist bombing, produces high

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Finite Element Analysis of Fracture in Concrete Structures 18

Finite Element Analysis of Fracture in Concrete Structures

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Description In this report, the state-of-the-art in finite element modeling of concrete is viewed from a fracture mechanics perspective. Although finite element methods for modeling fracture are undergoing considerable change, the reader is presented with asnapshot of current thinking and selected literature on the topic .As early as the turn of the 19th century, engineers

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Fracture Mechanics of Concrete: Concepts, Models and Determination of Material Properties 19

Fracture Mechanics of Concrete: Concepts, Models and Determination of Material Properties

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Description Fracture Mechanics of Concrete: Concepts, Models and Determination of Material Properties. Concrete structures are full of cracks. Failure of concrete structures typically involves stable growth of large cracking zones and the formation of large fractures before the maximum load is reached. Yet design is not based on fracture mechanics, even though the basic fracture

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Report on Torsion in Structural Concrete (ACI 445.1R-12) 20

Report on Torsion in Structural Concrete (ACI 445.1R-12)

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Description Accounting for the effects of torsion is essential to the safe design of structural concrete members, requiring a full knowledge of the effects of torsion and a sound under-standing of the analytical models that can easily be used for design. For over three decades, considerable research has been conducted on the behavior of reinforced

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