Civil MDC

Concrete Structures Books

Concrete Structures Books

Guide for Selecting Proportions for High-Strength Concrete Using Portland Cement and Other Cementitious Materials 1

Guide for Selecting Proportions for High-Strength Concrete Using Portland Cement and Other Cementitious Materials

Description ACI 211.1 describes methods for selecting proportions for normal-strength concrete in the range of 2000 to 6000 psi. This guide supplements ACI 211.1 by presenting several methods for selecting mixture proportions for high-strength concrete and for optimizing these proportions on the basis of trial batches. Usually, for high-strength concrete mixtures specially selected cementitious materials […]

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Guide for Selecting Proportions for No-Slump Concrete 2

Guide for Selecting Proportions for No-Slump Concrete

Description The general comments contained in ACI 211.1 are pertinent to the procedures discussed in this guide. The description ofthe constituent materials of concrete, the differences in proportioning the ingredients, and the need for knowledge ofthe physical properties of the aggregate and cementitious materials apply equally to this guide. The level of overdesignindicated in ACI

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Standard Practice for Selecting Proportions for Structural Lightweight Concrete (ACI 211.2-98) 3

Standard Practice for Selecting Proportions for Structural Lightweight Concrete (ACI 211.2-98)

Description Standard Practice for Selecting Proportions for Structural Lightweight Concrete. The purpose of this standard is to provide generally applicable methods for selecting and adjusting mixture proportions for structural lightweight concrete. These methods are also applicable to concrete containing a combination of lightweight and normal weight aggregate. Discussion in this standard is limited to structural

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Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete 4

Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete

Description Concrete is composed principally of aggregates, aportland or blended cement, and water, and may containother cementitious materials and/or chemical admixtures. Itwill contain some amount of entrapped air and may alsocontain purposely entrained air obtained by use of an ad-mixture or air-entraining cement. Chemical admixtures arefrequently used to accelerate, retard, improve workability,reduce mixing water requirements,

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Guide for Modeling and Calculating Shrinkage and Creep in Hardened Concrete 5

Guide for Modeling and Calculating Shrinkage and Creep in Hardened Concrete

Description To predict the strength and serviceability of reinforced andprestressed concrete structures, the structural engineer requiresan appropriate description of the mechanical properties of thematerials, including the prediction of the time-dependantstrains of the hardened concrete. The prediction of shrinkageand creep is important to assess the risk of concrete cracking,and deflections due to stripping-reshoring. As discussed inACI

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Report on Factors Affecting Shrinkage and Creep of Hardened Concrete 6

Report on Factors Affecting Shrinkage and Creep of Hardened Concrete

Description Factors affecting shrinkage and creep of hardened concrete are presented to enable those involved in the evaluation and formulation of concrete mixtures to determine the effects of these factors. Section 1.2 of Chapter 1 defines terms used by those evaluating shrinkage and creep, while Chapters 2 and 3describe effects of various factors on shrinkage

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Report on Roller-Compacted Mass Concrete 7

Report on Roller-Compacted Mass Concrete

Description Roller-compacted concrete (RCC) is probably the most important development in concrete dam technology in the past quarter century. The use of RCC has allowed many new dams to become economically feasible due to the reduced cost realized from the rapid construction method. It also has provided design engineers with an opportunity to economically rehabilitate

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Cooling and Insulating Systems for Mass Concrete 8

Cooling and Insulating Systems for Mass Concrete

Description The need to control volume change induced primarily by temperature change in mass concrete often requires cooling and insulating systems. This report discusses three construction procedures used to control temperature changes in concrete structures: precooling of materials, post cooling of in-place concrete by embedded pipes, and surface insulation. Other design and construction practices, such

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Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions 9

Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions

Description Deteriorating infrastructure continues to be a growing concern. Accurate information on the condition of concrete in a massive structure is critical to evaluating its safety and service ability. This information is required by decisionmakers to determine if repair or replacement is necessary and to select optimum repair techniques where conditions require. The guidelines for

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Report on Thermal and Volume Change Effects on Cracking of Mass Concrete 10

Report on Thermal and Volume Change Effects on Cracking of Mass Concrete

Description This report is primarily concerned with evaluating the thermal behavior of mass concrete structures to control the cracking in members that occurs principally from thermal contraction with restraint. This report presents a detailed discussion of the effects of heat generation and volume changes on the design and behavior of mass concrete elements and structures,

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Guide to Durable Concrete 12

Guide to Durable Concrete

Description Concrete is one of the most widely used constructionmaterials in the world. This fact attests to concrete’sperformance as a versatile building material. Durabilityrepresents one of the key characteristics of concrete that hasled to its widespread use. Durability of hydraulic-cementconcrete is determined by its ability to resist weathering action,chemical attack, abrasion, or any other process

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Guide for Conducting a Visual Inspection of Concrete in Service 13

Guide for Conducting a Visual Inspection of Concrete in Service

Description By completing a visual inspection of the concrete immedi-ately after construction, and through repetition at intervalsduring the concrete’s service life, the visual inspectionprovides important historical information on performanceand durability. The inspection results also aid in earlydetection of distress and deterioration, enabling repair orrehabilitation before replacement is necessary. It is important that the inspector properly

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Guide for Tolerance Compatibility in Concrete Construction 14

Guide for Tolerance Compatibility in Concrete Construction

Description Evaluating tolerance compatibility at the interface between concrete and other building systems is challenging because materials, products, and elements that connect to the concrete often have tolerances that differ from those for concrete. Coordinating these different tolerances early in the project reduces problems that can impact quality, cost, and schedule during construction. Architects and

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Guide to Shotcrete 15

Guide to Shotcrete

Description Shotcrete has grown into an important and widely usedconstruction technique. Because of continuing research anddevelopment in materials, equipment, and constructionprocedures, this guide is revised periodically to reflectcurrent industry practice. The guide was originally preparedto replace “Recommended Practice for Shotcreting” (ACI506-66, Revised 1983). This guide, based on many years of practice and experi-ence, covers aspects

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Recent Approaches to Shear Design of Structural Concrete 16

Recent Approaches to Shear Design of Structural Concrete

Description Design procedures proposed for regulatory standardsshould be safe, correct in concept, simple to understand, andshould not necessarily add to either design or construction costs. These procedures are most effective if they are basedon relatively simple conceptual models rather than oncomplex empirical equations. This report introduces design engineers to some approaches for the shear design

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Report on High-Strength Concrete Columns 17

Report on High-Strength Concrete Columns

Description The majority of reported studies12-27 in the field of HSC columns concern the behavior of columns subjected to con-centric loads. Understanding the behavior of columns under concentric loads assists in quantifying the parameters affect-ing column performance. However, conclusions from thistype of loading should not necessarily be extended to the case of combined loading, a

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Report on Fiber-Reinforced Polymer (FRP) Reinforcement for Concrete Structures 18

Report on Fiber-Reinforced Polymer (FRP) Reinforcement for Concrete Structures

Description The purpose of this report is to present the current state of knowledge with regard to applications of fiber-reinforced polymer (FRP) materials in concrete. This report summarizes the fundamental behavior, the most current research, designcodes, and practical applications of concrete and masonry structures containing FRP. This document is intended to complement other reports (for

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Guide for the Design and Construction of Structural Concrete Reinforced with Fiber-Reinforced Polymer (FRP) Bars 19

Guide for the Design and Construction of Structural Concrete Reinforced with Fiber-Reinforced Polymer (FRP) Bars

Description Conventional concrete structures are reinforced with non prestressed and prestressed steel. The steel is initially protected against corrosion by the alkalinity of the concrete, usually resulting in durable and serviceable construction. For many structures subjected to aggressive environments, such as marine structures, bridges, and parking garages exposed to deicing salts, combinations of moisture, tempera-ture,

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Strength Evaluation of Existing Concrete Buildings 20

Strength Evaluation of Existing Concrete Buildings

Description This report provides recommendations to establish the loads that can be sustained safely by the structural elements of an existing concrete building. The procedures can be applied generally to other concrete structures, provided that appropriate evaluation criteria are agreed upon before the start of the investigation. This report covers structural concrete, including conventionally reinforced

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