This report describes the testing performed with reef shell, clam shell and a combination of reef and clam shell used as coarse aggregate to determine if a low modulus concrete could be developed for use as a base material as an alternate to the presently used cement stabilized bases.
The tests in included, compressive, flexural and tensile strength, drying shrinkage, bond to reinforcing steel, freeze and thaw durability and dynamic modulus elasticity.
A total of twenty concrete mixes were evaluated, including two gravel and sand mixes for reference purposes. Cement contents of the mixes were 4.0, 5.0 and 6.0 sacks per cubic yard for each variable tested.
The results indicated that a 4.0 sack mix using reef shell as the coarse aggregate produced the lowest modulus of elasticity.
This report discusses a method of constructing an embankment over marshland soils by end-dumping reef shell directly onto the marshland with no other ...
The reuse potential of tire chips as coarse aggregates in pavement concrete was examined in this research byinvestigating the effects of low- and high...
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