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{
"$id": "equipment/confined_compression_test_compressibility.v1-0-0.json",
"$schema": "https://raw.githubusercontent.com/Vidminas/python-jsonschema-minmax/main/metaschema/minmax-metaschema.json",
"type": "object",
"properties": {
"test_category": { "const": "Confined Compression" },
"test_subcategory": { "const": "Compressibility" },
"class": { "label": "Test Regime", "const": "Static" },
"rating": { "label": "Repeatability Rating", "const": 3 },
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"geometric_properties": { "$ref": "#/$defs/geometric_properties" },
"measurement_parameters": { "$ref": "#/$defs/measurement_parameters" }
},
"required": ["geometric_properties", "measurement_parameters"],
"$defs": {
"geometric_properties": {
"type": "object",
"properties": {
"cylinder_diameter": { "type": "number", "minimum": 0 , "units": ["mm"]},
"cylinder_height": { "type": "number", "minimum": 0 , "units": ["mm"]},
"wall_material": { "type": "string" },
"max_compression_strain_rate": { "type": "number", "minimum": 0 , "units": ["mm/s"]},
"max_consolidation_stress": { "type": "number", "minimum": 0 , "units": ["kPa"]},
"stress_application": { "enum": ["Constant Mass", "Servo-Controlled"] }
},
"additionalProperties": false,
"required": ["cylinder_diameter", "cylinder_height", "stress_application", "wall_material"]
},
"measurement_parameters": {
"type": "object",
"properties": {
"force_accuracy": { "type": "number", "minimum": 0 , "units": ["N"]},
"force_resolution": { "type": "number", "minimum": 0 , "units": ["N"]},
"displacement_accuracy": { "type": "number", "minimum": 0 , "units": ["mm"]},
"displacement_resolution": { "type": "number", "minimum": 0 , "units": ["mm"]}
},
"additionalProperties": false,
"required": ["force_accuracy", "displacement_accuracy"]
}
}
}