These condi-tions included: ⑴ no backing off during post installation, ⑵ the channelling of the post without cleaning, ⑶ a smaller drill was used prepare the post channel, and ⑷ an axis deviated contrangle was used to prepare the post channel.
These condi-tions included: ⑴ no backing off during post installation, ⑵ the channelling of the post without cleaning, ⑶ a smaller drill was used prepare the post channel, and ⑷ an axis deviated contrangle was used to prepare the post channel.
由分析的结果显示技术上不同的打桩，的确会影响应力分布情形，因此建议如下：1.打桩时在微感阻力时，宜倒转90°(4／1转)可以缓和应力。