Formation of new minerals with lime stabilization as proven by field experiments in virginia

TLDR: In the fall of 1956 and the spring of 1957 SUBGRADE SOILS on three ProJECTS in VIRGINIA WERE STABILIZED with HYDRATED LIME as mentioned in this paper.

Abstract: IN THE FALL OF 1956 AND THE SPRING OF 1957 SUBGRADE SOILS ON THREE PROJECTS IN VIRGINIA WERE STABILIZED WITH HYDRATED LIME. THE PROJECTS, LOCATED APPROXIMATELY 150 MILES APART, WERE CONSTRUCTED ON THREE DIFFERENT SOIL TYPES. THE CLAY FRACTION OF EACH OF THE THREE SOILS WAS COMPOSED OF DIFFERENT CLAY MINERALS. THEREFORE, THERE WAS A CONSIDERABLE DIFFERENCE IN THE PHYSICAL PROPERTIES OF THE SOILS. THE THREE PROJECTS WERE SAMPLED DURING 1960 FOR THE PURPOSE OF STUDYING THE EFFECTS OF ADDITION OF HYDRATED LIME. X-RAY DIFFRACTION DATA OF THE TREATED SOILS REVEALED THAT NEW MINERALS--CALCIUM SILICATE-HYDRATES AND CALCIUM CARBONATE-- HAD BEEN FORMED. PETROGRAPHIC ANALYSIS OF THIN SECTIONS PREPARED FROM THE TREATED SOILS SHOWED THAT THE SOURCE OF ADDITIONAL STRENGTH WAS A CEMENTING MATERIAL, HYDRATED CALCIUM SILICATES, WHICH NOW INTERLACES THE SOIL GRAINS. /AUTHOR/