The specific purpose of this report is to discuss the results and present those conclusions which are indicated from these tests, particularly with respect to the three purposes for which the investigation was authorized:\n(1) \"What increase in slab thickness is necessary for in¬creased Toad on a constant subgrade\"?\n(2) \"The effect of subgrade treatment on the reduction of slab thickness\".\n(3) \"The effect of landing impact on the magnitude of the load\".
展开▼
