Structure for floor and foundation for expansive ground countermeasures and method for constructing structure for floor and foundation for expansive ground countermeasures

摘要

This structure (A B) for a floor and a foundation for expansive ground countermeasures for a structure (2) built on ground (1) exhibiting expanding properties has a configuration provided with: a first buffer layer (31) that results from a groove formed along one direction in a plan view by excavating the ground or a groove formed in a lattice shape being filled with a granular material or results from the groove being filled with a granular material and the granular material being laid on the ground; and a floor slab (24) formed on the ground and the first buffer layer (31).