- Clay--Testing--Congresses (2)
- Rocks--Testing--Congresses (2)
- Soils--Testing--Congresses (2)
- Ceramic materials--Testing--Congresses (1)
- Concrete--Testing--Congresses (1)
- Fracture mechanics--Congresses (1)
- Groundwater flow--Congresses (1)
- Rocks--Testing (1)
- Soil mechanics (1)
- Soil mechanics--Congresses (1)
- Soil permeability--Congresses (1)
- Soils--Testing (1)
- Water, Underground--Pollution--Congresses (1)
- 土質調査・試験 (1)