Спеціалізоване Виробниче Геологічне Об'Єднання По Тампонажним Та Геологоразвідувальним Роботам "Спецтампонажгеология"
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Priority to UA4722835ApriorityCriticalpatent/UA11553A1/en
Publication of UA11553A1publicationCriticalpatent/UA11553A1/en
Bulkheads Adapted To Foundation Construction
(AREA)
Abstract
The method includes well drilling from surface of earth and pumping in plugging solution there. Well drilling is performed in three rows, at that one first performs drilling of end rows of wells and following pumping in plugging solution there, then one performs drilling ofcentral row of wells and pumping in plugging solution to those.
UA4722835A1989-07-241989-07-24Method for construction of plugging screens for protection of mine workings against underground waters
UA11553A1
(en)
Method of protecting underground workings in salt deposits, in particular post-extraction voids while mining salt through bore-holes, against effect of surrounding rock formations