tlhahiso ea lihlahisoa
Steel box girder e entsoe ka poleiti e kaholimo, poleiti e ka tlase, webo, karohano e fapaneng le li-stiffeners tsa longitudinal le tse transverse.Liforomo tsa eona tse sebelisoang hangata li kenyelletsa kamore e le 'ngoe ea kamore e le' ngoe, kamore e le 'ngoe ea likamore tse tharo, kamore e le 'ngoe ea kamore e le' ngoe, kamore e le 'ngoe ea mabokose a mararo, Multi-box single-chamber, inverted trapezoid e nang le marang-rang a sekametseng, lebokose le le leng le nang le likamore tse ngata tse fetang. 3 webs, flat steel box girder, joalo-joalo Har'a bona, karolo e sebelisoang ka ho fetisisa ea li-box box girder ke habeli-box single-chamber, 'me li-multi-box single-chamber li sebelisoa bakeng sa marokho a nang le bophara bo boholo ba borokho.Flat steel box girder e na le karo-karolelano e nyane ea bophahamo ba libalaka ho ea ho bophara ba libalaka, 'me e sebelisoa haholo-holo bakeng sa maballo a ribiloeng joalo ka marokho a emisitsoeng, marokho a lutseng ka likhoele, le marokho a arch.Ha se hangata e sebelisoang marokhong a marang-rang.Single-box multi-chamber steel box girder e nang le marang-rang a fetang 3 ha ho bonolo ho e etsa le ho e kenya, kahoo ha e sebelisoe ka seoelo.
E arotsoe ka likarolo tse 'maloa tsa maballo bakeng sa tlhahiso le ho kenya,' me karolo ea eona ea sefapano e na le litšobotsi tsa sebopeho se pharaletseng le se bataletseng, 'me karolo ea likarolo e fihla hoo e ka bang 1:10.Steel box girder ka kakaretso e entsoe ka ho chesella ka botlalo poleiti e kaholimo, poleiti e ka tlase, webo, le likarolo tse pharalletseng, li-partitions tsa longitudinal le li-stiffeners.Letlapa le ka holimo ke mokato oa borokho oa orthotropic o entsoeng ka sekoaelo le li-longitudinal stiffeners.Botenya ba poleiti e 'ngoe le e' ngoe ea girder e tloaelehileng ea lebokose e ka ba: botenya ba sekoahelo 14mm, longitudinal likhopo tse bōpehileng joaloka 6mm, bophara ba molomo o ka holimo 320mm, bophara ba molomo o ka tlaase ke 170mm, bolelele ba 260mm, sebaka sa 620mm;botenya ba poleiti e ka tlase ke 10mm, li-stiffeners tsa longitudinal tse bōpehileng joaloka U;Botenya ba tepo e sekametseng ke 14mm, botenya ba tepo e bohareng ke 9mm;sebaka sa li-partitions tse pota-potileng ke 4.0m, 'me botenya ke 12mm;bophahamo ba seretse ke 2 ~ 3.5m.
Melemo ea lihlahisoa
1. Boima bo bobebe le ho boloka thepa
2. Ho kobeha le torsional rigidity e kholo
3. Ho kenya habonolo, theko e tlaase, potoloho e khutšoanyane
4. Boleng bo tiisitsoeng le bongata, le botšepehi bo phahameng.
5. Ho sebetsa ka mokhoa o phahameng oa kaho le polokeho e phahameng
6. E sebelisoa haholo
Lisebelisoa tsa lihlahisoa
Ka lebaka la sebopeho sa eona sa sebopeho, girder ea litšepe hangata e sebelisoa bakeng sa girder ea masepala e phahameng le ea ramp;kaho nako sephethephethe mokhatlo oa nako e telele-span cable-a lula borokho, fanyeha borokho, arch borokho stiffening girder le maoto a maoto borokho tšepe lebokose girder.
