Suggestions for post insertion are as follows: 1.The stress can be reduced by counterrotating the dowel one-fourth turn after resistance to installation has been detected. 2.The channel should be cleaned thoroughly before post insertion. 3.Because accurat
Suggestions for post insertion are as follows: 1.The stress can be reduced by counterrotating the dowel one-fourth turn after resistance to installation has been detected. 2.The channel should be cleaned thoroughly before post insertion. 3.Because accurat
3.由于根柱和根柱孔的精密吻合,对于固位及力量传递的支持有重要的影响,因此打桩时要精确做到根柱孔的乡钻制,对于偏斜的弯机要避免使用,而且要选用同号组合配对的钻针。