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1 锚杆“定时炸弹”问题的提出 2000年5月8～10日，“边坡灾害及其防治研讨会”在香港召开。鉴于我国在20世纪60年代以来在各类工程中使用了大量锚杆，70年代以后使用了许多锚索，90年代更多地使用了土钉，其总数当以亿万计。国外情况亦大体如此。这些锚杆、锚索、土钉工法的?
1 Anchor “time bomb” issue May 2000 8 to 10, “Slope Disaster and its Prevention Seminar” held in Hong Kong. In view of the fact that our country used a large number of anchors in all kinds of projects since the 1960s, many anchors were used after the 1970s and soil nails were more used in the 1990s, with a total amount of billions of dollars. The situation abroad is also generally the case. These bolts, cables, soil nailing method?