荷载分类和组?- 百度文库

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61ܵߺ

1239>2OΪΪ39mԵĴ顶淶41181¥ر׼ֵΪ40kNm2ݹ淶41213Ե¥ǵĴۼϵΪ08 ܵ¥ر׼ֵľߺqkͼͼ126(a) qk=40839=1248kNm

2ܵļкظݡ淶41213Ե¥ǵصۼϵӦȡ06 ܵɴ¥ر׼ֵļFkͼͼ126(b)

Fk=40639120=11232kN

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7 ݡ淶451ע2Ĺ涨Ӧذÿ10mȡһкN=1.0kNܶͷ ȡλ(1m)ΪȡܸAAΪƿƽ棬ͷľΪ04m ʩ޼кزAAر׼ֵ M=0410=04kNm

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8ṹع淶GB 500092 0015121涨ˮƽȡһ߹ɲֵѹ֮͵10áȡ2̨ɲּ㡣ù淶522Ĺ涨ۼϵ096 TLK=0952011 00=1 9kN

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91ں£ABѹֵΪ ݡع淶325 طϵȡ12

BD˼V=1/221259=54kN N=V=54kN

2ڻ£ABѹֵΪ (1)ݡֽṹ淶3

ɼ޲ĺأۼϵ075 (2)ع淶325Q=13

(3)ƽ̨޻زѹֵ 0751320(59/2)=43875kN (4)ѹֵ

ӲֱӳܶأؿǶϵǻطϵ14ֵϵ07 14100(1/2)=70kN

N=43875+0770=48775kN ܵN=N+N=54+48775=54175kN

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10ɱã

N=1240+1412+07144=6872kN

úЧӦãϵĿɱнضز ϡ⣬زѩͬʱϡѹֵΪ N=13540+071412=6576kN

Ȼغܴ󣬵ǻãȡN=6872kN

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11 1ijʱʩ޼кزر׼ֵ

ʱӦȡ1mİΪ󣬴˿ȷΧһ10kNʩ޼кأλڰ˲ǿȿƽλǽԵAA棬˽ʩ޼кزر׼ֵ

M=-1.011=-1.1kNm(ϱ)

2㸲ʱʩ޼кزر׼ֵ

ܿΪ272m涨㸲ʱذÿ253mһкأʱֻ迼һкأõλڰˡ㸲ʱաṹƹ淶742㸲Ĺ涨ǽڵȣΪĿȣС22ߣˣ㸲ǽԵľxӦΪ013ȣ x=013024=0031m

ˣʩػ޺ز㸲ر׼ֵ M=11311=13kNm

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12(1)

ɡع淶¼D4иD4лѩѹSo=04kNm2C=07f=06q=02ѩֲϵ淶6214͵6á (2)ѩر׼ֵ پȷֲ

Sk=rS0=1004=04kNm2 ڲȷֲ

촰 Sk=rs0=0804=032kNm2 촰 Sk=rs0=1404=056kNm2 촰 Sk=rs0=1104=044kNm2 ѩر׼ֲֵʾͼ149

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