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aci-318-structural-concrete-code-requirements
Concrete and Mortar Testing AASHTO T112 Density of AggregateAASHTO T119 Compressive Strength of CylindersAASHTO T119 Compressive Strength of CylindersAASHTO T119 Compressive Strength of Cylindrical Concrete SpecimensAASHTO T161 Length Change of Hardened ConcreteAASHTO T22 Slump Test for Fresh ConcreteAASHTO T23 Air Content of Freshly Mixed Concrete by Pressure MethodAASHTO T24 Air Content of Hydraulic Cement Concrete by Pressure MethodAASHTO T71 Sampling and Testing of AggregateAASHTO T97 Compression Testing of ConcreteAASHTO T97 Compressive Strength of CylindersACI 209 Prediction of Creep, Shrinkage, and Temperature EffectsACI 211 Guide for Concrete Mixture ProportioningACI 214 Guide for Evaluation of Strength Test ResultsACI 234 Guide for Concrete DurabilityACI 301 Specifications for Structural ConcreteACI 318 Building Code Requirements for Structural ConcreteACI 522 Guide for Fiber-Reinforced ConcreteACI 544 Fiber Reinforcement TestingASTM C1064 Temperature of Freshly Mixed Hydraulic-Cement ConcreteASTM C1074 Estimating Concrete Strength by Maturity MethodASTM C1077 Standard Practice for Laboratories Testing ConcreteASTM C109 Compressive Strength of Hydraulic Cement MortarsASTM C109M Compressive Strength of Hydraulic Cement MortarsASTM C114 Chemical Analysis of Hydraulic CementASTM C1152 Acid Soluble Chloride in Concrete and Concrete Raw MaterialsASTM C1157 Performance Specification for Hydraulic CementASTM C1202 Electrical Indication of Concrete’s Ability to Resist Chloride Ion PenetrationASTM C1231 Structural Testing of Drilled Concrete CoresASTM C1237 Flow of Mortar Using a Flow TableASTM C1240 Testing for Air-Entraining AdmixturesASTM C1260 Accelerated Mortar Bar Test for Alkali-Silica ReactionASTM C138 Unit Weight, Yield, and Air Content of ConcreteASTM C140 Density, Yield, and Air Content of MortarASTM C143 Slump of Hydraulic-Cement ConcreteASTM C143 Slump of Hydraulic-Cement ConcreteASTM C1512 Restrained Expansion of Mortar Bars Due to ASRASTM C156 Air Content in Freshly Mixed Concrete by Volumetric MethodASTM C157 Length Change of Hardened ConcreteASTM C157 Length Change of Hardened ConcreteASTM C1576 Testing Mortars for Air ContentASTM C1579 Early Age Shrinkage of Cementitious Mixtures Using Embedded Strain GaugesASTM C1585 Measurement of Rate of Absorption of Water by Hydraulic Cement ConcreteASTM C1602 Mixing Water for ConcreteASTM C1609 Flexural Performance of Fiber-Reinforced ConcreteASTM C1679 Method for Measuring Early-Age Shrinkage of Cementitious MixturesASTM C171 Sampling Fresh ConcreteASTM C185 Determination of Carbonation DepthASTM C185 Determination of Carbonation Depth in ConcreteASTM C185 Measurement of Setting Time of Hydraulic CementASTM C231 Air Content in Freshly Mixed Concrete by Pressure MethodASTM C231 Air Content of Freshly Mixed Concrete by Pressure MethodASTM C266 Time of Setting of Concrete Mixtures by Penetration ResistanceASTM C293 Flexural Strength of ConcreteASTM C293 Flexural Strength of Concrete Using Simple Beam with Third-Point LoadingASTM C293 Flexural Strength of Concrete Using Simple Beam with Third-Point LoadingASTM C293 Testing Concrete Beam Flexural StrengthASTM C31 Making and Curing Concrete Test SpecimensASTM C349 Compressive Strength of Hydraulic Cement MortarsASTM C39 Compressive Strength Testing of Concrete CylindersASTM C42 Obtaining and Testing Drilled Cores and Sawed BeamsASTM C469 Modulus of Elasticity and Poisson’s Ratio in ConcreteASTM C469 Static Modulus of Elasticity and Poisson’s Ratio of Concrete in CompressionASTM C494 Chemical Admixtures for ConcreteASTM C642 Density, Absorption, and Voids in Hardened ConcreteASTM C666 Resistance of Concrete to Rapid Freezing and ThawingASTM C78 Flexural Strength of ConcreteASTM C78 Flexural Strength of Concrete BeamsASTM C805 Rebound Number of Hardened ConcreteASTM C876 Half-Cell Potential of Steel in ConcreteBS 1881-121 Determination of Water Absorption of Hardened ConcreteBS 1881-203 Testing for Compressive StrengthBS 1881-208 Testing for Flexural StrengthBS 4550 Specification for Concrete TestingBS 4551 Testing of Concrete – Methods for Strength and DensityBS 812 Testing AggregatesBS 8500-1 Concrete – Part 1: Specification for Constituent MaterialsBS 8500-2 Concrete – Part 2: Specification for ConcreteBS EN 1015-11 Determination of Flexural and Compressive Strength of MortarBS EN 197-1 Cement StandardsBS EN 206 Specification for ConcreteBS EN 480-11 Admixtures for Concrete – Testing MethodsBS EN 934-2 Concrete AdmixturesEN 12390-10 Determination of Chloride Content in Hardened ConcreteEN 12390-2 Making and Curing Specimens for Strength TestsEN 12390-3 Compressive Strength of Test SpecimensEN 12390-5 Flexural Strength of Test SpecimensEN 12390-6 Tensile Splitting Strength of Test SpecimensEN 12390-7 Density of Hardened ConcreteEN 12390-8 Depth of Penetration of Water Under PressureEN 12620 Aggregates for ConcreteEN 12620 Aggregates for ConcreteEN 13039 Siliceous Sand for ConcreteEN 13055 Lightweight AggregatesEN 13286-47 Test Methods for Unbound and Hydraulically Bound MixturesEN 13670 Execution of Concrete StructuresEN 196-1 Determination of StrengthEN 196-3 Determination of Setting Times and SoundnessEN 196-6 Determination of FinenessEN 197-1 Cement Composition and SpecificationsEN 197-1 Composition, Specifications and Conformity Criteria for Common CementsEN 206-1 Concrete Specification, Performance, Production and ConformityISO 14001 Environmental Management in Concrete ProductionISO 15686-2 Service Life Planning of Concrete StructuresISO 1920-1 Sampling of Hardened ConcreteISO 1920-3 Sampling Fresh ConcreteISO 1920-4 Strength Testing of Concrete – Part 4: Strength by CompressionISO 1920-5 Determination of Tensile Splitting StrengthISO 1920-6 Flexural Strength Testing of ConcreteISO 1920-7 Determination of Density of Hardened ConcreteISO 1920-8 Determination of Water Absorption of Hardened ConcreteISO 1920-9 Determination of Freeze-Thaw ResistanceISO 21930 Sustainability in Building ConstructionISO 22112 Concrete Testing – Durability TestingISO 679 Determination of Strength of Hydraulic CementISO 679 Methods of Testing Cement – Determination of Strength

ACI 318 Structural Concrete Code Requirements Laboratory Testing Service Provided by Eurolab

Standard-Related Information

The American Concrete Institute (ACI) 318 Building Code requires that structural concrete be designed and constructed to meet specific standards for strength, durability, and safety. The ACI 318 code is widely adopted in the United States and is also used as a reference standard in many other countries. In this article, we will discuss the laboratory testing services provided by Eurolab, which are designed to ensure compliance with the ACI 318 code.

The ACI 318 code requires that structural concrete be tested for its compressive strength, flexural strength, and durability. These tests are typically performed on cylinders or beams of concrete that have been cast and cured according to specific procedures. The test results are then used to determine whether the concrete meets the minimum requirements specified in the code.

International and National Standards

The ACI 318 code is based on several international and national standards, including:

  • ASTM C 39: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

  • ASTM C 78: Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)

  • ASTM C 88: Standard Test Method for Water Penetration of Protective Coatings on Steel by Immersion in Water

  • EN 12390-3: European Standard Testing Concrete Part 3: Compressive Strength of Slabs

  • ISO 679: International Organization for Standardization (ISO) Standard 679: Sampling and Preparation of Concrete and Mortar

    • These standards provide a framework for the laboratory testing of concrete, including the procedures for sampling, preparing, and testing concrete specimens.

    Standard Development Organizations

    The development of standards is a collaborative effort between industry stakeholders, regulatory agencies, and standard development organizations. Some of the key standard development organizations involved in the development of ACI 318 code include:

  • American Concrete Institute (ACI)

  • American Society for Testing and Materials (ASTM)

  • International Organization for Standardization (ISO)

  • European Committee for Standardization (CEN)

    • These organizations work together to develop and update standards, ensuring that they remain relevant and effective in the ever-changing construction industry.

    Standard Evolution and Updates

    Standards are not static documents; they evolve over time as new technologies and techniques emerge. The ACI 318 code is updated regularly to reflect changes in the industry, advances in technology, and shifting regulatory requirements. For example, recent updates have included revisions to the requirements for fiber-reinforced polymer (FRP) reinforcement and concrete containing supplementary cementitious materials.

    Standard Compliance Requirements

    Compliance with standards is a critical aspect of the construction industry. Many industries require that structural concrete be tested to ensure compliance with relevant standards. Some examples include:

  • Building codes: ACI 318, IBC, CBC

  • Transportation infrastructure: AASHTO LRFD, AASHTO Guide for Condition Assessment of Concrete Bridge Elements

  • Industrial facilities: API, ASCE

    • Compliance with standards is essential for ensuring the safety and durability of structures. Non-compliance can result in costly repairs, fines, or even structural failures.

    Standard Requirements and Needs

    The ACI 318 code requires that structural concrete be designed and constructed to meet specific standards for strength, durability, and safety. These requirements are based on a thorough understanding of the behavior of concrete under various loading conditions. The need for these tests is driven by:

  • Business needs: Ensuring compliance with regulatory requirements and industry standards

  • Technical reasons: Understanding the behavior of concrete under various loading conditions

  • Consequences of not performing this test: Increased risk of structural failures, reduced safety, and potential fines or penalties

    • The industries that require this testing include:

  • Building construction

  • Transportation infrastructure

  • Industrial facilities

  • Oil and gas production

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