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提问人：网友zzb2007 发布时间：2022-01-07

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In order to derive the moment-curvature relationship, the analysis will require the use of

three coordinates. the x axis extends positive to the right, along the () axis of the beam. It is used to locate the differential element, having an undeformed width dx. The v axis extends () from the x axis. It measures the () of the centroid on the cross-sectional area of the element.

A、longitudinal, positive upward, displacement

B、transverse, positive upward, displacement

C、longitudinal, positive downward, displacement

D、longitudinal, positive upward, strain

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更多“In order to derive the moment-curvature relationship, the analysis will require the use of”相关的问题

第1题

Under starvation (饥饿), liver involves in regulation of blood glucose mainly through

A、glycolysis

B、aerobic oxidation of glucose

C、gluconeogenesis

D、glycogen degradation

E、pentose phosphate pathway

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第2题

❷ However, Baron (1995) found that the persuasiveness of written arguments with both my-side and other-side reasons have not always been evaluated better than arguments consisting only of my-side reasons.

A、restatement

B、evaluation

C、restatement and evaluation

D、none

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第3题

Several possible boundary conditions are often used to solve vean deflection problems. For example, if the beam is supported by a roller or pin, then it is required that the ( ) be zero at these points. If these supports are located at the ends of the beam, the ( ) in the beam must be zero. At the fixed support, the ( ) are both zero.

A、displacement, internal moment, slope and displacement

B、slope, internal moment, slope and displacement

C、displacement, internal force, slope and displacement

D、slope, internal shear force, slope and displacement

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第4题

The additional ( ) on the beam or shaft that are not needed to keep it in ( ) are called redundants. The number of these redundants is referred to as the ( ).

A、support reactions, stable equilibrium, degree of indeterminacy

B、support reactions, stability, degree of indeterminacy

C、external loadings, stable equilibrium, degree of indeterminacy

D、support reactions, stable equilibrium, indeterminacy

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第5题

In order to solve for the redundants, we must write the ( ) that exist at the ( ) where each of the redundants act.

A、condition of compatibility, supports

B、equations of equilibrium, supports

C、Hooke's law, supports

D、condition of compatibility, middle of the beam

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第6题

The differential equation [图] satisfies the two n...

The differential equationsatisfies the two necessary requirements for applying the principle of superposition; i.e., the loadis ( ) related to the deflection, and the load is assumed not to change significantly ( ) of the beam.

A、linearly, the original geometry

B、nonlinearly, the original material

C、linearly, the original material

D、linearly, the original load

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第7题

The method of superposition has been used to solve for the redundant loadings on transversely loaded beams. In order to apply this method to the solution of statically indeterminate beams, it is first necessary to identify the ( ). By removing them from the beam we obtain the so-called ( ) beam, which is statically determinate and stable, and is subjected on to the ( ).

A、redundant support reactions, primary, external load

B、support reactions, primary, external load

C、redundant support reactions, primary, support reactions

D、support reactions, primary, transversely distributed load

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第8题

A pin-connected column will buckle about the ( ) of the cross section having the ( ) moment of inertia.

A、principal axis, least

B、longitudinal axis, least

C、transverse axis, largest

D、principal axis, largest

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第9题

The critical load is the ( ) load that a column can support when it is one the verge of buckling. This loading represents a case of ( ).

A、maximum axial, neutral equilibrium

B、minimum axial, neutral equilibrium

C、maximum transverse, stable equilibrium

D、maximum axial, stable equilibrium

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第10题

An ideal column is ( ) , made of ( ) material, and the load is applied through the ( ) of the cross section.

A、initially perfectly straight, homogeneous, centroid

B、perfectly straight, nonhomogeneous, centroid

C、initially straight, homogeneous, any point

D、straight, nonhomogeneous, centroid

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