佳木斯大学语言治疗学

出自:佳木斯大学语言治疗学

对称结构在正对称荷载作用下，在对称切口处有( )
·正对称的弯矩、剪力和轴力
·弯矩、剪力和轴力都不正对称
·正对称的弯矩和轴力，剪力为零
·正对称的剪力，弯矩和轴力均为零

等直杆的一端转动单位角另一端固定时，劲度系数（或称转动刚度）为4i，这是只考虑弯曲变形的结果，如果再计入剪切变形的影响，劲度系数的数值将会（）
·增大
·缩小
·不变
·可能增大也可能缩小，与剪力的正负号有关。

三刚片组成无多余约束的几何不变体系,其联结方式是( )。
·以任意的三个铰相联
·以不在一条线上三个铰相联
·以三对平行链杆相联
·以三个无穷远处的虚铰相联

在均布荷载作用下,对称三铰拱的合理拱轴线是什么曲线( )。
·抛物线
·双曲线
·悬链线
·圆弧曲线

图示虚拟力状态可求出什么( )<img src="data:image/png;base64,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" >
·A点线位移
·A点B点相对位移角
·AB杆的转角
·B点线位移

超静定结构在荷载作用下的内力和位移计算中,各杆的刚度为( )。
·均用相对值
·必须均用绝对值
·内力计算用绝对值,位移计算用相对值
·内力计算可用相对值,位移计算须用绝对值

图示对称结构,截面C的( )。<img src="data:image/png;base64,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" >
·弯矩等于零
·剪力等于零
·轴力等于零
·内力均不为零

图示体系为( )

题1图
·无多余约束的几何不变体系
·瞬变体系
·有多余约束的几何不变体系
·常变

图所示结构C截面弯矩为( )

·qa2/6
·qa2/2
·qa2/4
·0

在竖向均布荷载作用下,三铰拱的合理轴线为( )
·二次抛物线
·圆弧线
·悬链线
·正弦曲线

图示结构,求A、B两点相对线位移时,虚力状态应在两点分别施加的单位力为( )

·竖向反向力
·连线方向反向力
·水平反向力
·反向力偶

图示桁架的零杆数目为( )

·5
·6
·7
·8

计算刚架时,位移法的基本结构是( )
·超静定铰结体系
·单跨静定梁的集合体
·单跨超静定梁的集合体
·静定刚架

图示梁在移动荷载作用下,使截面K产生最大弯矩的最不利荷载位置是( )

图示结构AB杆的固端弯矩

是( )

·-6kN.m
·6kN.m
·1.5kN.m
·-1.5kN.m

图示直杆的力矩传递系数C=( )

·0
·-1
·1
·1/2

将三刚片组成无多余约束的几何不变体系,必要的约束数目是几个( )。
·2
·4
·6
·8

对图示体系进行几何组成分析,为( )体系。<img src="data:image/png;base64,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" >
·无多余约束的几何不变体系
·有多余约束的几何不变体系
·几何可变体系
·几何瞬变体系

图示结构中有( )根零杆。<img src="data:image/png;base64,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" >
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图示结构弯矩图形状正确的是( )。
·<img src="data:image/png;base64,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" >
·<img src="data:image/png;base64,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" >
·<img src="data:image/png;base64,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" >
·<img src="data:image/png;base64,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" >

图示结构的超静定次数是( )次。<img src="data:image/png;base64,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" >
·3
·4
·5
·6

图示结构用位移法求解时独立的结点位移是( )个角位移,( )个线位移。<img src="data:image/png;base64,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" >
·2,1
·2,2
·3,2
·3,3

位移法解图示结构内力时,取结点1的转角作为Z1,则主系数r11的值为( )。<img src="data:image/png;base64,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" >
·9i
·10i
·11i
·12i

在多结点力矩分配的计算中,当放松某个结点时,其余结点所处状态为( )
·相邻结点锁紧
·必须全部锁紧
·相邻结点放松
·全部放松

图示结构用力矩分配法计算时,结点A的约束力矩(不平衡力矩)为(以顺时针转为正)( )。<img src="data:image/png;base64,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" >
·3Pl/16
·-3Pl/8
·Pl/8
·-3Pl/16

裁定管辖包括（）
·级别管辖
·地域管辖
·移送管辖
·指定管辖

大陆法系国家的行政法学体系一般是在绪论基础上展开为（）。
·行政组织法
·行政作用法
·行政程序法
·行政救济法

司法审查的依据有（）。
·法律
·行政法规
·地方性法规
·自治条例和单行条例

人民法院审理行政案件( )。
·以行政法规为依据
·以地方性法规为依据
·参照行政规章
·以抽象行政行为为依据

在我国，担任领导职务的公务员法律关系的发生，主要有如下情形（）。
·公开考试、择优录用
·委任
·选任
·调任

我国行政裁决主要适用于解决（）。
·权属纠纷
·侵权纠纷
·行政纠纷
·知识产权纠纷

行政确认是（）的行政行为。
·要式
·自由裁量
·默示
·羁束

行政诉讼中，人民法院经审理裁定准许原告撤诉后，原告又反悔的，不可以（）。
·向上一级法院上诉
·以与原起诉相同的事实和理由再起诉
·以不同于原起诉的事实和理由再起诉
·向作出该裁定的法院申请复议

公务员的身份保障权是指非因法定事由和非经法定程序不被（）或者行政处分。
·免职
·降职
·辞退
·降级

下列（）是行政立法主体
·全国人大及其常委会
·全国人大法律委员会
·国务院及其各部委
·省级人民政府

在以下损害中，依我国《国家赔偿法》不予赔偿的为（）。
·桥梁年久失修，致骑车人掉进水里摔伤
·违法拘留造成损害的
·违法责令停产停业造成损害的
·未发给抚恤金造成损害的

以下原则中并非行政复议的基本原则的为（）。
·及时原则
·便民原则
·调解原则
·书面复议原则

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