A. 必须严格控制最后30s的电流、电压值，其值按设计要求或根据试桩和当地经验确定
B. 桩管内灌满混凝土后，先振动5～10s，再开始拔管，应边振边拔，每拔0.5～1.0m停拔振动5～10s
C. 在一般土层内，拔管速度宜在1.2～1.5m/min，用活瓣桩尖时宜快，用预制桩尖时可适当减慢
D. 在软弱土层中，拔管速度宜控制在0.6～0.8m/min
该内容VIP会员可见，您未登录，请先登录使用专属返佣链接推荐好友充值VIP会员，每单可得20%佣金！
手机访问快速搜题。
版权声明：本文原创或收集发布，未经许可禁止转载。
问题： [单选] He noticed that Joan was studying...
问题： [单选,材料题] The forty years from the 1930s...
问题： [单选,材料题] Air transport companies use dif...
问题： [单选] I tried very hard to persuade him...
问题： [单选] He failed to carry out some of the...
问题： [单选] The legislative provision has a gre...
帮考士![[单选] He noticed that Joan was studying him closely, but her expression gave away nothing of what s](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/8.jpg)
![[单选,材料题] The forty years from the 1930s to the 1970s was an important period](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/4.jpg)
![[单选,材料题] Air transport companies use different planes__________.](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/7.jpg)
![[单选] I tried very hard to persuade him to join our groups but I met with flat refusal.](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/10.jpg)
![[单选] He failed to carry out some of the provisions of the contract, and now he has to take charge o](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/5.jpg)
![[单选] The legislative provision has a great impact on the operations of the department.](http://bangkaoshi.com/zb_users/theme/yd1125free/include/random/2.jpg)
