???????????????
??????1981??12???1982??2??
???????????????У???
????λ???й???????????????????
???????????μ??????????????????????????????????????
???????????
1 ??????
??????????????????????е?????????????????С??????????20????50????????1981????????????????????????У??????????????????????????????1981??12???У???????????????????????????????????????????ó?????1982??2??26????α???????
1.1 ?????
????????????????????????????????????????????????75.15m????30.5m????16.1m?????????2348m2???????????????????????????м????????18m?????????????????6m??????????1a???????????м?28???????????????и????????????????????????????????????????????????????Χ?????????????????????????????????????????????????????е???????????????????б??????????????????????????????????????塣?????????????I???????У????????I1??I14????1????14(?1b)???????????????????????????????200???????????????10.5m????????????ν???(?2a)?????????????10??????????(?2b)????????1.8??7.1m??
???????9??0m????6??3m????13??3m??????????????????(40cm?? 40cm??50cm??30cm)??4?????????в????????????????????????????????????
1??2???????
???????涫??1m(?????7m)??????????????????19??3m?????????????????????ɡ?????????????10cm????????????????22m?????????????????????12cm??????26m?????????450kV??A??????????????????24m??29m??4lm????????????????????????????????????ж???????????????????????????????С???????4??7m??
2???????
????????????????????Χ??????????????????????????????????????????????????????·?????α???????
2??1??????????
??????????(H)?????????????
H=KB
??? B????????????????????????(???ν???B=0??8m??????????B=1??0m)??
K?????????б??????????????й???????????б??????????(I??)K?3??5??4??5??????б????????????(????)K?2??5??3??5??
?????б??????????????????У???
??? L????????
H??B????????????
h????????????????????m??
2??2???????
(1)??С?????W????????????С????????(?????????W????????????
???????W??С)??
(2)??????l=(0.55??0.65)y(y?????????????????????)??
(3)?????a=(1.5??2.5)W??
(4)??????b=(0.8~1.0)a??
2??3???????
??????????????????????鹫?????
C=0??35AKfKpKBW3
??? C??????????????????kg??
A????????????????????????????е?????????????5??
Kf??????????????????????????1??2??3??4????????kf?1??0.9??0.66??
0.5??
KP????????????????KP=0??9??P(P???С????????????m)??
KB?????????????й??????????????????1??5??2??5??Χ???????????2??
W??????С??????m??
2.4 ??????????
??? Q???????????????????kg??
R????????????????????????m??
V????????????????????????????????????cm??s??
K?????????????????й????????200??
?????????????????????1??5??
?????????Χ?????????????????????????????????????????????????
??2??
2.5 ????·
?????????????????????????????????????????????????????????????????????????κ????????????I????????1??9?κ?????????????????????????????С??75ms????????17???·???????????????????????????·???????е??????????????6s??8s??10s??12s???????????????12???·????????????????????????????????·??
??????·????????(????450kV??A)?????????????????????400V???????????????????·???????????5.6A??3.8A????????????·????????????·??????????
3 ???????
???????????????α??????????????ν???????????????????飬???????????е???????????и䶮
???E???????????????????2.1??106 kg??cm2??
?ɡ?????????
?????????????????????????????????ν??????????????2.0m??0.32m(?3a)??
(2)???????????и?(?3b)??
??3??????????????????????????????????(???????????1.0m)????????????и?(?3e)??
???????????????????????????????????????????????δ???????????????紦????????????????????????????(?3f)??
3.2 ???????????????
??????????????????????????????????ν???????????????????????
(1)??????????????????????????????淶(TJl0?1974)???и??????????????(0.32m)С????????????(0.4m)??????????(2.0m)??????????(0.8m)????????????????????????? ????????????????????????????????迼?????????????????????????淶?涨???????(2.0m)С??10????????(0.225 m??10 = 2.25m)????????????????
(2)????????????????????????????????????????????????????????????????????3d???б??????????????
????????????????
4 ????Ч??
??????????????????????????????????????б????????????????????????
4.1??????
?????????????????????????????86??25m(??????????????Χ6.9m??4.2m)????????????????31.4m(?????????????????Χ0.9m)??????????1.83m???????????????????9.5m????????0.9m?????????19.4m?????????8.1m??????????1.67m??
4.2 ???????
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????2t????????????С?????????????
4.3 ??????
????????????????????????????(??С????????)?50cm?????????????????????????)????????????????????????飬?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????С????????????????в????????????????????????????????????????????????????????顣