โ Scribed by Daniel Morfeldt; Lars Persson
No coin nor oath required. For personal study only.
Geological Information Modelling (GIM) is a technique that we are practising on different rock projects in Sweden. Geological and engineering geologiical information from surface and underground projects is digitized and stored in order to make a 3D model. One of the largest underground sewage plants (Kf2ppala) is undergoing restoration and extension in Stockholm, Sweden. Five new rock storages each 280 m long and 16 m wide are under construction. 450 000 m 3 of rock material has been excavated. With active geoinformation modelling all geological and engineering geological data is easily treated and interpreted. The advantages are (1) up-to-date documentation of engineering geology and geology in the planning and constnzction phases; (2) reinforcement tool; (3) creation of databases whic,~ can be used in future projects; and ( 4) production of urban underground maps. In the Kcippala case, the different blasts have been interpreted and "translated" and the vibration result can be explained. The result from this approach has been a better understanding of the influence of the geological rock mass in relation to blasting operation as well as the environmental problem with vibrations in populated areas. It is important that future rock works in cities and densely populated areas will be regarded with respect to engineering geological knowledge.
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