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 ka tloaelo li kenyelletsa kamore e le 'ngoe ea kamore e le' ngoe, kamore e le 'ngoe ea kamore e le' ngoe, 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 li-webs tse sekametseng, lebokose le le leng le nang le marang-rang a fetang 3, girder ea tšepe e bataletseng, joalo-joalo Har'a bona, sebaka se sebelisoang ka ho fetisisa se sebelisoang ka ho fetisisa ke borokho ba litšepe tse nang le borokho bo boholo, borokho bo boholo bo sebelisoang ke borokho bo boholo. bophara.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 hangata.
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 e phahameng ea masepala le ramp steel box;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.
