SP-150
Controlled Low-Strength Materials
ACI Committee E902 and PCA, 1994, 119pp.
$50.50

Controlled Low-Strength Material (CLSM) is a self-compacted cementitious material used primarily as a substitute for compacted backfill. The material is known by many names including flowable fill, controlled density fill, unshrinkable fill and soil-cement slurry. The American Concrete Institute defines CLSM as a material with a maximum unconfined compressive strength of 1200 psi. For most applications, however, the compressive strength of CLSM does not exceed about 300 psi. This makes it possible for the material to be removed should future excavation be necessary.

Contents:
*LOW-STRENGTH CONCRETE AND CONTROLLED

LOW-STRENGTH MATERIAL (CLSM) PRODUCED WITH

CLASS F FLY ASH, by T.R. Naik and B.W. Ramme

*OPTIMIZATION OF FLOWABLE FILL MIX PROPORTIONS,

by M.E. Ayers, S.Z. Wong, and W. Zaman

*DURABILITY FACTORS AFFECTING CLSM, by W.E. Brewer

*FREEZING AND THAWING DURABILITY AND EARLY

SET AND STRENGTH DEVELOPMENT OF CLSM, by

T.E. Nantung and C.F. Scholer

*FLOWABLE BACKFILL FOR PIPELINE BEDDING AT

THE DENVER INTERNATIONAL AIRPORT, by D.A. Clem,

K.D. Hansen, and J.B. Kowalsky

*SOIL-CEMENT SLURRY PIPE EMBEDMENT, by A.K. Howard