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Iibhulorho zeSidibanisi seNsimbi esiWeldiweyo esinzima ezisetyenziswa kulwakhiwo lweNdlela ePhakamileyo noLoliwe
ISICELO
Iibhulorho zeNdlela ePhakamileyo kunye neZitimela: Iibhulorho zentsimbi zisetyenziswa kakhulu kwiinkqubo zeendlela ezinkulu nezikaloliwe ukuxhasa imithwalo enzima yezithuthi kunye neendlela zokunqumla ezinde. Zibonelela ngamandla aphezulu olwakhiwo, ukuqina okugqwesileyo, kunye nokusebenza okuzinzileyo phantsi kwemithwalo eguquguqukayo eqhubekayo efana nezithuthi kunye noololiwe.
Iindlela zokubhabha zasezidolophini kunye neendlela zokunqumla abahambi ngeenyawo: Kwiziseko zophuhliso zasezidolophini, iibhulorho zentsimbi zihlala zisetyenziswa kwiindawo zokuwela ngaphezulu, kwiindawo zokubhabha ngaphezulu, nakwiindlela zabahambi ngeenyawo. Ulwakhiwo lwazo olukhaphukhaphu kunye nokufakelwa kwazo ngokukhawuleza kunceda ekunciphiseni ukuphazamiseka kwezithuthi ngelixa kuqinisekiswa ukuhambahamba okukhuselekileyo nokusebenzayo ezidolophini.
Iibhulorho zokufikelela kwimizi-mveliso kunye nemigodi: Iibhulorho zokufikelela kwintsimbi zibalulekile kwiindawo zoshishino, kwiindawo zemigodi, nakwiiprojekthi zamandla. Zenzelwe ukumelana neemeko ezinzima, ukuhamba kwezixhobo ezinzima, kunye neemeko zokulayisha rhoqo, ukuqinisekisa uqhagamshelo oluthembekileyo kwimisebenzi.
Iibhulorho zexeshana zoMkhosi kunye neeNgxamiseko: Ezi bhulorho zenzelwe ukuthunyelwa ngokukhawuleza xa kusenzeka ungxamiseko, xa kusenzeka uncedo kwintlekele, nakwimisebenzi yasemkhosini. Izakhiwo zentsimbi zivumela ukuhlanganiswa ngokukhawuleza, ukuhambahamba okuphezulu, kunye nomthamo onamandla wokuthwala imithwalo kwiimeko ezinzima.
IINKCUKACHA ZEMVELISO
Iimveliso zesakhiwo sentsimbi esingundoqo sokwakhiwa kwebhulorho
1. Uhlobo oluphambili lwebhulorho yesakhiwo sentsimbi
| Uhlobo lweMveliso | Uluhlu lweenkcukacha | Umsebenzi ongundoqo | Uhlengahlengiso lweMerika eseMbindini |
| Ibhulorho yeTruss | 15–120 m ubude | Isakhiwo esithwala umthwalo esinobude obude sezithuthi, abahambi ngeenyawo, kunye noololiwe abakhaphukhaphu | Iijoyinti ezibotshelelweyo zezinga le-seismic; ukwenziwa kwangaphambili kwe-modular; ukumelana nokugqwala kwimozulu eshushu |
| Ibhulorho yeArch | 20–150 m ubude | Ukuhanjiswa komthwalo ngokufanelekileyo kwizithuthi ezininzi kunye nezicwangciso zasezidolophini/ezintle | Intsimbi egqunywe ngentsimbi eshushu (Zn ≥ 85 μm); iibheringi ezilungisekayo zomsebenzi wenyikima; iindawo zemodyuli kwiindawo ezikude |
| Ibhulorho yeBox Girder | Ubude be-10–100 m | Ukuqina okuphezulu kokujika kunye nokumelana nokugoba kwiindlela eziphakamileyo kunye neendlela eziphakamileyo | Icandelo lebhokisi elenziwe ngcono yi-seismic; uqhagamshelo olufakwe iibholiti/oludityanisiweyo; ulwakhiwo olulungiselelwe kwangaphambili lwezithuthi zangaphakathi |
| Ibhuloho yabahambi ngeenyawo/yokukhwela ibhayisekile | Ububanzi be-5–50 m | Isakhiwo sentsimbi esikhaphukhaphu esisetyenziselwa abantu abahamba ngeenyawo/abakhweli beebhayisekile ngokukhuselekileyo | Iiphaneli zedekhi ezingatyibilikiyo; azinamhlwa; uyilo olukhawulezileyo lokuhlanganisa imozulu yetropiki |
2. Iimveliso zenkqubo yokuvala (engangeni manzi + echasene nokugqwala)
| Uhlobo lweMveliso | Uluhlu lweenkcukacha | Umsebenzi ongundoqo | Uhlengahlengiso lweMerika eseMbindini |
| Iiphaneli zeDekhi yophahla | C12×25–C18×35, i-hot-dip galvanized (Zn ≥ 85 μm) | Ixhasa iiphaneli zophahla kunye neebhulorho; yenzelwe imimoya enamandla | Ukwaleka okumelana nokugqwala; imodyuli, ilula ukuze kube lula ukuyithutha kwaye uyifake ngokukhawuleza |
| Iiphaneli zodonga ezisecaleni | Z10×22–Z16×28, ukumelana netyuwa yokutshiza >iiyure ezili-1000 | Indawo evalekileyo engangeni mozulu kwiindlela zokuhamba kunye neendlela zokulungisa | Ingeniswe umoya ukuze inciphise ukufuma; ayimelani nokugqwala kwimozulu eshushu nefumileyo |
| Inkqubo yokuQinisekisa kunye neNkxaso | Iibha ezijikelezileyo zeGalvanized Φ14–Φ18 kunye nentsimbi ye-engile ye-L60×6 | Inika uzinzo ecaleni; imelana nemimoya evuthuzayo kunye namandla enyikima | Uqhagamshelo olufakwe iibholiti/oludityanisiweyo kwiindawo ezinenyikima; ukhuseleko lokugqwala kwiimeko zetropiki |
3. Ukuxhasa iimveliso ezincedisayo (uhlengahlengiso lolwakhiwo olucwangcisiweyo)
| Uhlobo lweMveliso | Uluhlu lweenkcukacha | Umsebenzi ongundoqo | Uhlengahlengiso lweMerika eseMbindini |
| Amalungu Okwandisa | Intsimbi okanye irabha yemodyuli, ububanzi obuyi-50–200 mm | Ivumela ukwanda kobushushu kunye nokucutheka kwemigca yebhulorho | Inqanaba le-seismic, ayimelani nokugqwala kwimozulu eshushu nefumileyo |
| Izithintelo zoKhuseleko kunye neeNqanaba zoKhuselo | Iitshaneli okanye iityhubhu zentsimbi, ubude obuyi-900–1200 mm | Ikhusela izithuthi kunye nabahambi ngeenyawo; iphucula ukhuseleko lwebhulorho | Ayinamhlwa kwaye ayimelani ne-UV; ifanelekile kwiindawo ezinemvula eninzi kunye neendawo ezikunxweme lolwandle |
| Izinyuko kunye namaQonga okufikelela kwiBhulorho | Iileli ze-galvanized Φ32–Φ50, amaqonga e-L50×5 | Ibonelela ngokufikelela okukhuselekileyo kokuhlola nokugcina izinto zisemgangathweni | Ilula, imodyuli, ayimelani nokugqwala kwimozulu yetropiki |
| Iinkqubo zoLawulo lwaManzi kunye noGuquko lwaManzi | Iigrate zentsimbi Φ12, iigutter zecandelo le-C 100×50–150×75 | Ilawula amanzi emvula kwaye ithintela izikhukula zedekhi | Ifakwe nge-hot-dip okanye ipeyintwe ukuze kufume kakhulu kwaye kubekho iziphepho |
| Iinkxaso zokukhanyisa kunye nezixhobo | Iipali zentsimbi, izibiyeli, iitreyi zekhebula | Ixhasa izibane, imiqondiso, kunye nemigca yezixhobo | Igqunywe kwangaphambili ukuze ingagqwali; kulula ukuyifakela kwaye itshintshelwe kwimodular |
UKUCUTSHUNGULWA KWESAKHIWO SENTSIMBI
Ukusika
I-plasma kunye nelangatye ezisikiweyo kwiipleyiti zentsimbi ezityebileyo.
Oomatshini bokucheba ngokuchanekileyo kwipleyiti encinci.
Ubungakanani obuchanekileyo obuqinisekisiweyo kunye nomphetho ococekileyo.
Ukwenziwa
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Isetyenziselwa ii-purlin, ii-gutters, kunye nee-trims.
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Ukuvelisa amalungu ajikelezayo kunye neenkxaso ezijikelezileyo.
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Iqinisekisa ubungakanani kunye nemilo efanayo ngexesha lokwenziwa.
Ukuwelda
Kusetyenziswa i-arc welding engaphantsi komhlaba kwii-h-beams kunye neekholamu ezinkulu
Iipleyiti zoqhagamshelo lwe-arc welding ngesandla kunye namalungu olwakhiwo
Ukuwelda okukhuselweyo ngegesi ye-CO₂ kwiipleyiti ezincinci
Ukucubungula Imingxunya
Ukubhola nge-CNC ukuqinisekisa ukulungelelaniswa kwemingxuma yebholiti ngokuchanekileyo
Oomatshini bokushicilela be-Punch bokuvelisa umthamo omncinci
Indawo echanekileyo yenza kube lula ukufaka kwindawo
Unyango Lomphezulu
Ukuqhumisa ngemipu/ukuqhumisa ngesanti ukususa umhlwa
Ukusila ii-welds, ukupolisha/ukugqiba umphezulu
Ukufakwa kwe-galvanizing kwiibholithi kunye neendawo ezixhasayo ukuphucula ukumelana nokugqwala
Indibano yoVavanyo
Ukwakha iikholamu, imiqadi kunye neenkqubo zokuxhasa
Ukuhlolwa kobukhulu ngesixhobo sokulinganisa sobungcali
Ukuqhaqha i-InKine emva kokuhlolwa ukuze kuthunyelwe ngokukhuselekileyo
UVAVANYO LWESAKHIWO SENTSIMBI
| Uhlobo lovavanyo | Imigangatho | Injongo/Inkcazo |
| Uvavanyo loMthwalo woLwakhiwo | I-ASTM A370, EN 10002 | Iqinisekisa ukuba imiqadi, ii-girders, kunye neenkqubo ze-truss zinokumelana ngokukhuselekileyo nemithwalo efileyo, imithwalo ephilayo, imithwalo yezithuthi, kunye neemeko zenkonzo eziguqukayo. |
| Uhlolo loMgangatho weWeld | I-AWS D1.1, i-ISO 5817 | Uqinisekisa ukuba iindawo zokuwelda ziyahlangabezana namanqanaba omgangatho wamazwe ngamazwe, ingakumbi kwiindawo ezibalulekileyo zokwakha ezifana nee-trusses, ii-box girders, kunye noqhagamshelo lweekholamu. |
| Uvavanyo lokuxhathisa ukugqwala | I-ASTM B117, i-ISO 9227 | Ihlola ukusebenza kwentsimbi phantsi kweemeko zokutshiza ityuwa, iqinisekisa ukuqina kwexesha elide kwiindawo ezikunxweme, zaselwandle, nakwiindawo ezinomswakama ophezulu. |
| Uvavanyo lokuncamathela kokugquma | I-ASTM D3359, i-ISO 2409 | Ilinganisa amandla okubopha kweengubo ezikhuselayo kunye neeleya zokugalela isinyithi ukuthintela ukuxobuka, ukuqhekeka, okanye ukwahlukana. |
| Ukumelana ne-UV kunye neMozulu | I-ASTM G154, i-ISO 4892 | Ilinganisa ukuvezwa kwelanga ixesha elide kunye neemeko zemozulu ukuze kuvavanywe uzinzo lombala wokugquma, ukumelana netshokhwe, kunye nokuqina komphezulu. |
| Ukufuma kunye nokumelana nobushushu | I-ASTM D2247 | Uvavanya ukusebenza kwengubo phantsi kobushushu obuphezulu kunye nomswakama ophezulu ukuthintela ukudumba, ukugqwala, kunye nokusilela komphezulu. |
| Ukumelana nempembelelo kunye nokusingatha | I-ASTM D2794, ISO 6272 | Uvavanya ukugquma kunye nokumelana nomphezulu ngexesha lokuthuthwa, ukuphakamisa, ukufakwa, kunye nokuphathwa kwendawo. |
| Ukuhlolwa koBume kunye nokuLula | I-EN 1090, i-ISO 8501 | Iqinisekisa ukuba izixhobo zentsimbi esele zenziwe ngaphambili ziyahlangabezana nobukhulu obuchanekileyo bokufakelwa ngokuchanekileyo kunye nokulungelelaniswa kwesakhiwo. |
| Uvavanyo lokudinwa kunye nokungcangcazela | I-ASTM E466, ISO 12107 | Ivavanya ukusebenza kolwakhiwo lwexesha elide phantsi kwemithwalo ephindaphindwayo, kubandakanya ithrafikhi, umoya, kunye nemiphumo yokungcangcazela. |
| Uvavanyo loQhagamshelo lweAnchor kunye neBolted | I-ASTM F606, EN 14399 | Iqinisekisa amandla kunye nokuthembeka kweebholiti, ii-ankile, kunye noqhagamshelo lwe-seismic olusetyenziswa kwiinkqubo zentsimbi yesakhiwo. |
UNYANGO OLUNGEZELELWEYO
UKUPAKISHA NOKUTHUMELA
Iitrasi kunye neeGirders:Ihlanganiswe ngeebhendi zentsimbi kunye neenkxaso zomthi. Izikhuseli zeekona kunye nesongezo esichasene nokugqwala zithintela umonakalo ngexesha lokuthuthwa.
Iiphaneli zeDekhi kunye nophahla/zodonga:Ifakwe iipalethi ngee-spacers; isongelwe ngefilimu engangeni manzi nengangenisi manzi kwimozulu eshushu kunye nokuthunyelwa komgama omde.
Iikholamu kunye neeBhari:Ifakwe okanye ihlanganiswe ngengubo efunxa ukutsha, engenamhlwa kwaye iphawulwe ukuba iphathwe ngokuchanekileyo kwindawo leyo.
Iinxalenye eziNcedisayo:Izibambo, iibholiti, kunye nee-ankile ezipakishwe kwiibhokisi okanye kwiidrama ezikhuselweyo ngamanzi kwaye ziphawulwe ukuze zihlanganiswe ngokukhawuleza.
Ezothutho kunye noLawulo:Zithunyelwa ngolwandle, ilori, okanye isitya; izinto ezinobukhulu kunye nezihlanganisiweyo ukuze zithunyelwe ngokukhuselekileyo kwaye zifakwe ngokukhawuleza, nakwiindawo ezikude.
KUTHENI SIKHETHE IZAKHIWO ZETHU ZENTSIMBI?
Ibhulorho yethu yentsimbi yokubopha imithwalo enzima yenzelwe iiprojekthi ezinkulu zeziseko zophuhliso, ezifuna amandla aphezulu, ezihlala ixesha elide, kunye nokusasazwa ngokukhawuleza.
Ukudibanisa OkukhawulezileyoIimodyuli ezihlanganiswe kwangaphambili zinceda ukuhlanganiswa ngeentsuku ezimbalwa ngezixhobo ezimbalwa
Ingasetyenziswa kwakhona kwaye inokufuduselwa kwenye indawo: Yenzelwe ukuqhaqha ukuze isetyenziswe kwiindawo ezininzi
Uyilo Oluqinileyo Noluvavanyiweyo Oluqinisekisiweyo: Inkqubo ye-truss yephaneli yakudala enembali yomkhosi neyokwakha eqinisekisiweyo
Akukho Siseko Sinzima Sifunekayo: Ingasetyenziswa ngee-abutments ezilula okanye izixhasi zepier
Ilungele ukuthunyelwa: Ububanzi obuqhelekileyo kunye neziphambuka ziyafumaneka kwisitokhwe ukuze zithunyelwe ngokukhawuleza.
Ukulungele ukuqala iprojekthi yakho?
FAQ
Q1: Zeziphi iintlobo zeebhulorho ozibonelelayo?
A:I-Truss, i-arch, i-box girder, kunye neebhulorho zabahambi ngeenyawo/abakhwela ibhayisekile, zenziwe ngokwezifiso ngokupheleleyo.
Q2: Yeyiphi imigangatho ehlangabezana nayo izinto zakho?
A:I-ASTM, i-EN, i-ISO, kunye ne-AASHTO; intsimbi ye-galvanizing okanye i-weathering iyafumaneka.
Umbuzo 3: Ngaba iibhulorho zifanelekile kwimimandla yetropiki neyeenyikima?
A:Ewe, yenzelwe umoya ovuthuzayo, umsebenzi wenyikima, kunye nemozulu eshushu.
Q4: Zipakishwa kwaye zithunyelwa njani izinto?
A:Ihlanganiswe, ibotshelelwe, kwaye ikhuselwe kukugqwala; inelebheli yokuhlanganisa lula kwindawo.
Q5: Ixesha eliqhelekileyo lokufumana umvuzo?
A:Iiveki ezisi-8 ukuya kwezingama-20 kuxhomekeke kuyilo kunye nobunzima; ukufakelwa kwangaphambili kwemodyuli kunciphisa ixesha lokufakelwa.











