ACI 229R 2013 2022

$39.27

ACI PRC-229R-13(22) Report on Controlled Low-Strength Materials (Reapproved 2022)

Published By	Publication Date	Number of Pages
ACI	2013

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Description

Controlled low-strength material (CLSM) is a self-consolidating cementitious material used primarily as a backfill as an alternative to compacted fill. This report contains information on applications; materials; properties; proportioning; mixing, transporting, and placing; quality control; and low-density CLSM using preformed foam. Keywords: aggregates; backfill; compacted fill; controlled density fill; controlled low-strength material; flowable fill; flowable mortar; fly ash; foundation stabilization; low-density material; pipe bedding; plastic soilcement; preformed foam; soil-cement slurry; trench backfill; unshrinkable fill; void filling.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION CHAPTER 2—NOTATION AND DEFINITIONS 2.1—Notation 2.2—Definitions CHAPTER 3—APPLICATIONS 3.1—General 3.2—Backfills
5	3.3—Structural fills
6	3.4—Insulating and isolation fills 3.5—Thermal-insulation-conductivity fills 3.6—Pavement bases 3.7—Conduit bedding
7	3.8—Erosion control 3.9—Void filling 3.10—Nuclear facilities 3.11—Bridge reclamation
8	CHAPTER 4—MATERIALS 4.1—General 4.2—Portland cement 4.3—Fly ash 4.4—Admixtures 4.5—Mineral admixtures and other additives 4.6—Water 4.7—Aggregates
9	4.8—Nonstandard materials 4.9—Ponded ash or basin ash CHAPTER 5—PROPERTIES 5.1—Introduction 5.2—Plastic properties
11	5.3—In-service properties
13	CHAPTER 6—PROPORTIONING 6.1—Introduction 6.2—Materials 6.3—General formulation 6.4—Proportioning methods 6.5—Evaluation
14	6.6—Adjustments to proportioning CHAPTER 7—MIXING, TRANSPORTING, AND PLACING 7.1—General 7.2—Mixing
15	7.3—Transporting 7.4—Placing 7.5—Cautions CHAPTER 8—QUALITY CONTROL 8.1—General 8.2—Sampling of CLSM
16	8.3—Consistency and unit weight 8.4—Strength tests CHAPTER 9—LOW-DENSITY CLSM USING PREFORMED FOAM 9.1—General
17	9.2—Applications
18	9.3—Materials
19	9.4—Physical properties
20	9.5—Proportioning 9.6—Construction
21	9.7—Quality control CHAPTER 10—REFERENCES
22	Authored documents