钢结构设计原理练习及答案14（Steel structure design principles, exercises and answers 14）.doc
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钢结构设计原理练习及答案14（Steel structure design principles, exercises and answers 14）
Moni4
4 simulation questions
First, fill in the blanks (each 1.5 points, a total of 15 points)
1, the shear failure form of bolt:,,, and
. Answer
The answer cut bolt hole wall, crushing, steel plate is broken, end plate, punching shear bending failure of bolt.
2, bearing type high strength bolt connection only used to bear the load and load of structure. Answer
The static and dynamic indirect answer
3, in the design of steel structures, steel strength design value is the standard value of material strength and resistance factor. Answer
Answer by
4, the minimum fillet weld leg size HT, min=1.5, t. Answer
The answer is connected with the maximum thickness of plate
5, member slenderness ratio refers to the ratio of (represented by the symbol). Answer
Answer
Two, choice (each of 1 points, a total of 10 points)
1, the design strength of steel is determined according to the.
The proportional limit (A)
The elastic limit (B)
The yield point (C)
(D) the ultimate strength.
Answer: C
2, steel after strain hardening (strain hardening) after.
(A) strength
(B) the increase in plasticity
(C) to improve the performance of cold
(D) to improve the weldability of the answer
Answer: A
In 3, the roof truss rod force is small, usually in the section.
(A) allowable slenderness ratio selection
(B) construction decision
(C) deformation decision
(D) decided to answer the local stability
Answer: A
The base plate thickness, 4 axial compression column is at bottom.
(A) to determine the bending work
(B) to determine the compression work
(C) to determine the shear
(D) bending and compression to determine the answer
Answer: A
5, when the material is Q235-BF steel and Q345-BF steel, connected with manual welding, welding should be adopted.
(A) E43 steel
(B) E50 steel
(C) low alloy steel E50
(D) low alloy steel E55 answer
Answer: A
6, the axial compression of lattice structures in the calculation of the overall stability aro
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