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BHRGTLayer

Defined in: src/types/index.ts:350

BHR-GT (Borehole Research Geotechnical) layer data

Contains all fields from the BRO BHR-GT schema for a single soil layer.

PropertyTypeDescriptionDefined in
upperBoundarynumber-src/types/index.ts:352
lowerBoundarynumber-src/types/index.ts:353
upperBoundaryDetermination?string | null-src/types/index.ts:356
lowerBoundaryDetermination?string | null-src/types/index.ts:357
anthropogenic?boolean | nullWhether the layer is anthropogenic (man-made)src/types/index.ts:361
geotechnicalSoilNamestring-src/types/index.ts:364
soilNameNEN5104?string | nullSoil name per NEN 5104 (IMBRO/A archive data; geotechnicalSoilName is often nil there)src/types/index.ts:366
gravelContentClassNEN5104?string | nullGravel content classification per NEN 5104 (IMBRO/A)src/types/index.ts:368
organicMatterContentClassNEN5104?string | nullOrganic matter content classification per NEN 5104 (IMBRO/A)src/types/index.ts:370
tertiaryConstituent?string | nullTertiary soil constituent (e.g., “schelpMateriaal”, “plantenresten”)src/types/index.ts:374
color?stringSoil color codesrc/types/index.ts:376
dispersedInhomogeneity?boolean | nullDispersed inhomogeneity presencesrc/types/index.ts:378
organicMatterContentClass?string | nullOrganic matter content classificationsrc/types/index.ts:380
carbonateContentClass?string | nullCarbonate content classificationsrc/types/index.ts:382
sandMedianClass?string | nullSand median grain size classificationsrc/types/index.ts:384
gravelMedianClass?string | nullGravel median grain size classification (e.g., “fijn”, “middelgrof”)src/types/index.ts:386
geotechnicalDepositionalCharacteristic?string | nullDepositional characteristic of the soil (e.g., “nietBepaald”)src/types/index.ts:388
interbedding?string | nullInterbedding of other material in the soil (e.g., “kleiWeinigDikkeLaminae”)src/types/index.ts:390
grainshape?GrainshapeGrain shape properties (for sand/gravel)src/types/index.ts:392
slant?boolean | nullWhether the layer boundary is slantedsrc/types/index.ts:396
bedded?boolean | nullWhether the layer is bedded/stratifiedsrc/types/index.ts:398
bedding?string | nullBedding type of the layer (e.g., “dikGelamineerd”)src/types/index.ts:400
compositeLayer?boolean | nullWhether the layer is a composite layersrc/types/index.ts:402
activityType?string | nullHuman activity type observed in the layer (e.g., “nietBepaald”)src/types/index.ts:404
internalStructureIntact?boolean | nullWhether the internal structure is intact (undisturbed)src/types/index.ts:406
mixed?boolean | nullWhether the soil is mixedsrc/types/index.ts:408
mottled?boolean | nullWhether the soil has mottled appearancesrc/types/index.ts:410
fineSoilConsistency?string | nullConsistency of fine-grained soils (e.g., “slap”, “stevig”, “vast”)src/types/index.ts:414
organicSoilConsistency?string | nullConsistency of organic soilssrc/types/index.ts:418
organicSoilTexture?string | nullTexture of organic soils (e.g., “vezeligGrof”, “vezeligFijn”)src/types/index.ts:420
peatTensileStrength?string | nullTensile strength of peatsrc/types/index.ts:422