【判断题】【消耗次数：1】
单桩竖向静荷载试验的极限承载力必须进行统计，计算参加统计的桩极限承载力平均值，当极差超过平均值的30%时可取平均值为单桩竖向极限承载力。()
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
对单桩的竖向和水平承载力的确定，下列说法中正确的是（）
①
按桩身材料强度计算单桩竖向承载力时，一律不计纵向压屈的影响。
②
静荷载试验是评价单桩承载力最直接、最可靠的方法
③
将单桩竖向极限承载力除以安全系数3，作为单桩竖向承载力特征值Ra。
④
按静荷载试验确定的单桩水平承载力可高于其竖向承载力
【单选题】
关于单桩竖向承载力，下列说法不正确的是()
①
取决于土对桩的支承阻力和桩身材料强度
②
一般由土对桩的支承阻力控制
③
一般由桩身材料强度控制
④
对于端承桩、超长桩和桩身质量有缺陷的桩，可能由桩身材料强度控制
随机题目
【单选题】
5. The children were seen _______ musical instruments across the street.
①
play
②
to play
③
playing
④
played
【单选题】
8. ______, he was honest.
①
As he was poor
②
Being poor
③
Poor as he was
④
He was poor
【单选题】
12. I’m very sorry to have _______ you with so many questions on such an occasion.
①
interfered
②
offended
③
impressed
④
bothered
【单选题】
7. It is so quiet that you can hear a pin ______.
①
dropping
②
. dropped
③
drop
④
drops
【单选题】
4. The instructor watched the student ____ the test.
①
to take
②
take
③
takes
④
took
【单选题】
20. _____ the sight of the poor and the sick, the government had no way out but to decided to reform..
①
Seeing
②
Confronted with
③
Confronting
④
Looking at
【单选题】
1. Decide which of the following best states the authors purpose of writing?
①
To express his anguish of movig from his old home
②
To describe the laughter and tears of the four generations of his family
③
to explain the real meaning of his grandpas wordsneversay googbye‘
④
To tell the story of his grandpas death
【单选题】
21. Take good care to _____ your jewelry before going on away on holiday..
①
safe
②
lock in
③
lock away
④
lock with
【单选题】
16. He was put into prison, but he never _____ ,and continued his fight.
①
gave up
②
gave in
③
stopped
④
gave way