Masitepe omanga amtundu wa 321 Beret chimango chithandizo

Choyimiliracho chiyenera kukhazikitsidwa musanayambe kusonkhanitsa321 Bailey Bridge.Njira yokhazikitsira ili motere: Choyamba, Bailey truss amasonkhanitsidwa pa thanthwe pa banki yoyambira, ndipo mapeto amodzi a chidutswa cha truss amaikidwa pa thanthwe ndipo mapeto ena amaikidwa pamtengo wanthawi yochepa.

2.Mapeto a mbale za truss ayenera kukhala osagwirizana.Mphepete mwachitsulo iyenera kuikidwa kuseri kwa kapamwamba koyang'ana kutsogolo. Mizere iwiri ya mabowo pansi pa mtengowo idzayikidwa muzitsulo zazitsulo zapansi za mbale ziwiri za truss motsatana ndikumangirira ndi chitsulo chachitsulo.Osalimbitsa kwa nthawiyi, limbitsani cholumikizira cha diagonal pamtengo mutatha kukhazikitsa.

3.Ikani zidutswa ziwiri za truss.Pa nthawi yomweyo, aChithunzi cha Baileyiyenera kukhazikitsidwa kutsogolo kwa truss mtengo ndi cholumikizira cholumikizira, ndipo kumbuyo kwa ndodo yowongoka kutsogolo kwa truss ziwiri ziyenera kukhazikitsidwa ndi chitsulo chamtengo, ndipo mtengowo uyenera kumangirizidwa pang'onopang'ono popanda kumangiriza mpaka cholumikizira cholumikizira pamtanda chakhazikitsidwa.

4.Ikani zitsulo zamagulu atatu, ikani ndodo yopangira mphepo pa gawo loyamba la truss mbale, ikani chingwe cholumikizira pazitsulo zamagulu awiri, kuyika kwa mphuno kuyenera kuyendetsedwa motsatizana, ndipo mbale ya truss ya magawo anayi iyenera kuikidwa mumphuno.

5.Mukuwongolera, lamulo logwirizana, masitepe osasinthasintha ndi ntchito yogwirizana iyenera kukwaniritsidwa.Ntchito yodzigudubuza ndi mlatho iyenera kufufuzidwa nthawi iliyonse.Ngati vuto lililonse likupezeka, ntchitoyi iyenera kuyimitsidwa nthawi yomweyo ndipo vutoli liyenera kuthetsedwa musanapitirize kukankhira patsogolo.6.Mutatha kukankhira mlatho pamalo, chotsani mphuno, sungani chingwe chapansi cha mlatho ku mpando, fufuzani mbale ya Bailey, ndikumangitsa zothandizira zonse, zitsulo zamatabwa ndi ndodo zomangira mphepo.