238000005422 blasting Methods 0.000 claims abstract description 8.239000011435 rock Substances 0.000 claims abstract description 21.238000010276 construction Methods 0.000 claims abstract description 21.238000005516 engineering process Methods 0.000 claims abstract description 23.238000004458 analytical method Methods 0.000 claims abstract description 23.239000000463 material Substances 0.000 claims abstract description 26.239000002689 soil Substances 0.000 claims abstract description 75.230000001603 reducing Effects 0.000 title claims abstract description 14.230000005540 biological transmission Effects 0.000 title claims abstract description 28.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Tsinghua University filed Critical Tsinghua University Priority to CN 99109563 priority Critical patent/CN1237811A/en Publication of CN1237811A publication Critical patent/CN1237811A/en Status Pending legal-status Critical Current Links Original Assignee Tsinghua University Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 何金良 曾嵘 孟庆波 吴维韩 屠幼萍 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number CN 99109563 Other languages Chinese ( zh)
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Google Patents Method for reducing ground-resistance of transmission transformer station in area with high earth resistanceĭownload PDF Info Publication number CN1237811A CN1237811A CN 99109563 CN99109563A CN1237811A CN 1237811 A CN1237811 A CN 1237811A CN 99109563 CN99109563 CN 99109563 CN 99109563 A CN99109563 A CN 99109563A CN 1237811 A CN1237811 A CN 1237811A Authority CN China Prior art keywords grounding soil explosion hole transformer station Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents CN1237811A - Method for reducing ground-resistance of transmission transformer station in area with high earth resistance CN1237811A - Method for reducing ground-resistance of transmission transformer station in area with high earth resistance