EntityQ14567133· pop 11· linked from 10 articlesSchmidt hammerSign in to savemeasuring instrumentConnectionsgeologyEntityrockEntityconcreteEntitydigital object identifierEntityInternational Standard Serial NumberEntitysolid mechanicsEntityASTM InternationalEntitycompressive strengthEntityEuropean standardEntityCategoriesConcreteGeological toolsGeomorphologyHardness instrumentsNondestructive testing