钢结构设计原理张五章作业答案.pdfVIP

第五章受弯构件

一、选择题

1．对于承受均布荷载的热轧H型钢简支梁，应计算（D）

A．抗弯强度、腹板折算应力、整体稳定、局部稳定

B．抗弯强度、抗剪强度、整体稳定、局部稳定

C．抗弯强度、腹板上边缘局部承压强度、整体稳定、容许挠度

D．抗弯强度、抗剪强度、整体稳定、容许挠度

1.ForhotrolledH-shapedcrosssectionsteelbeambearingdistributedload,()shouldbe

checked.

A．bendingstrength,equivalentstressontheweb,overallstabilityandlocalstability.

B．bendingstrength,shearstrength,overallstabilityandlocalstability.

C．bendingstrength,localbearingstressatupperedgeoftheweb,overallstability.

D．bendingstrength,,shearstrength,overallstability,allowabledeflection.

2．以下计算，使用毛截面特性的是（B）

A．梁的弯曲正应力B．梁的剪应力C．折算应力D．疲劳验算

2.Inwhichofthefollowingcalculation,thegross-sectioncharacteristicisadapted?()

A．BendingnormalstressofthebeamB．Shearstressofthebeam

C．EquivalentstressD．Fatiguecheck

3．某一在主平面内受弯的实腹式构件，当截面上有螺栓孔时，下列计算要考虑孔

洞削弱？（C）

A．构件变形计算B．构件整体稳定性计算

C．构件抗弯强度计算D．构件抗剪强度计算

3.Forsolid-webmembersbendinginprincipleplane,supposingthatboltholesappearsinthe

cross-section,weakenfactorsoftheboltholesshouldbeconsideredduringthecalculationof().

A．calculatingthedeformationofthemember

B．checkingtheoverallstabilityofthemember

C．checkingthebendingstrengthofthemember

D．checkingtheshearstrengthofthemember

4．设计焊接工字形截面梁时，腹板布置横向加劲肋的主要目的是提高梁的(D)

A．抗弯刚度B．抗弯强度

C．整体稳定性D．局部稳定性

4.InthedesignoftheweldedI-shapedcrosssectionbeams