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ACI 214.4 2021

ACI 214.4 2021

$50.92

ACI PRC-330-21: Commercial Concrete Parking Lots and Site Paving Design and Construction-Guide

Published By Publication Date Number of Pages
ACI 2021 24
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Description: Concrete parking lots serve many kinds of public facilities, commercial and retail developments, businesses, and multifamily housing projects. They primarily accommodate parked vehicles but may also provide maneuvering areas and access for delivery vehicles. The design and construction of concrete slabs for parking lots and outside storage areas share many similarities with the design and construction of industrial pavements, streets, and highways, but they also have some very distinct differences. A full appreciation of the differences and the modification of design and construction procedures to take these differences into account can result in economical concrete parking lots that will provide satisfactory service for many years with little maintenance. This guide includes information on site investigation, thickness determination, design of joints and other details, durability considerations, paving operations, and quality-assurance procedures during construction. Maintenance and repair are also discussed. Information related to the design and construction of concrete site paving for industrial and trucking facilities is in ACI 330.2R. Keywords: commercial; concrete pavement; curing; finishing; joints; light duty; parking lot; subgrade; thickness; traffic loads.

PDF Catalog

PDF Pages PDF Title
3 TITLE PAGE
4 CHAPTER 1—INTRODUCTION
1.1—Introduction
1.2—Scope
5 CHAPTER 2—NOTATION AND DEFINITIONS
2.1—Notation
2.2—Definitions
6 CHAPTER 3—VARIATION OF IN-PLACE CONCRETE STRENGTH IN STRUCTURES
3.1—Bleeding
3.2—Consolidation
3.3—Curing
7 3.4—Microcracking
3.5—Overall variability of in-place concrete compressive strengths
CHAPTER 4—PLANNING TESTING PROGRAM
4.1—Investigating concrete in a new structure using strength-based acceptance criteria
4.2—Evaluating existing structure capacity using in-place strengths
8 CHAPTER 5—OBTAINING TEST SPECIMENS
9 CHAPTER 6—CORE TESTING
CHAPTER 7—ANALYZING STRENGTH TEST DATA
7.1—ASTM C42/C42M precision statements
10 7.2—Review of core strength correction factors
11 7.3—Statistical analysis techniques
12 CHAPTER 8—INVESTIGATION OF LOW-STRENGTH TEST RESULTS IN NEW CONSTRUCTION USING ACI 301
8.1—Procedure for samples of more than three cores
14 CHAPTER 9—DETERMINING AN EQUIVALENT fc′ VALUE FOR EVALUATING STRUCTURAL CAPACITY OF AN EXISTING STRUCTURE
9.1—Conversion of core strengths to equivalent in-place strengths
9.2—Uncertainty of estimated in-place strengths
15 9.3—Percentage of in-place strengths less than fc′
9.4—Methods to estimate the equivalent specified strength
17 CHAPTER 10—REFERENCES
Authored documents
19 APPENDIX—EXAMPLE CALCULATIONS
A1—Outlier identification in accordance with ASTM E178 criteria
A2—Student’s t test for significance of difference between observed average values (Larsen and Marx 2017)
20 A3—Acceptable minimum strength criteria for samples of more than three cores
22 A4—Equivalent specified strength by tolerance factor approach (Hindo and Bergstrom 1985)
A5—Equivalent specified strength by alternate approach (Bartlett and MacGregor 1995)

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ACI 214.4 2021
$50.92