Ngaba ufuna ukwazi okungakumbi malunga neenkcukacha kunye nobukhulu beenqwaba zesinyithi?
Inqwaba yePhepha leNsimbi ye-ASTM A36 A572 yeBanga lama-50 A992
Iinkcukacha zeMveliso
| Uphawu | Inkcazo |
|---|---|
| Umgangatho | I-ASTM A36 / A572 Gr.50 / A992 |
| Ibanga | Intsimbi yeCarbon kunye neStrength Structure Steel |
| Uhlobo | Inqwaba ye-U / Inqwaba ye-Z / Inqwaba ye-AZ |
| Ukuvelisa | Inqwaba yeShiti yeNsimbi eSongiweyo eshushu |
| Ubude | 6m – 18m (Ingenziwa ngokwezifiso) |
| Umphezulu | Ukugqitywa kweMill / Igalelwe ngesinyithi / Igqunyiwe |
| Isitokhwe Esilungeleyo | Iitoni ezingaphezu kwe-1000 ziyafumaneka |
| Ithunyelwe Ku | IVietnam / iiPhilippines / uMzantsi-mpuma weAsia |
| Ukuhanjiswa | Ixabiso Elithe Ngqo Lomzi-mveliso, Iintsuku Ezisi-7–15 |
I-ASTM A36 A572 Ibanga lama-50 A992 Inqwaba yePhepha leNsimbi Ulwakhiwo lweekhemikhali
| Ibanga lentsimbi | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| I-ASTM A36 | ≤0.26% | 0.60–1.20% | ≤0.04% | ≤0.05% | ≤0.40% |
| I-ASTM A572 Gr.50 | ≤0.23% | 0.50–1.35% | ≤0.04% | ≤0.05% | 0.15–0.40% |
| I-ASTM A992 | ≤0.23% | 0.50–1.50% | ≤0.04% | ≤0.05% | 0.15–0.40% |
Iipropati zoomatshini ze-ASTM A36 A572 zeBanga lama-50 A992 zePhepha leNsimbi
| Ibanga lentsimbi | Amandla okuKhula (i-MPa) | Amandla okuThamba (MPa) | Ukwandiswa (%) |
|---|---|---|---|
| I-ASTM A36 | 250 | 400–550 | ≥20 |
| I-ASTM A572 Gr.50 | 345 | 450–620 | ≥18 |
| I-ASTM A992 | 345 | 450–620 | ≥18 |
Ubungakanani bePali yePhepha leNsimbi ye-ASTM A36 / A572 Gr.50 / A992
| Uhlobo | Ububanzi W (mm) | Ubude H (mm) | Ubukhulu t (mm) | Indawo (cm²/m) | Ixesha lokungakhathali (cm⁴/m) | I-Section Modulus (cm³/m) | Ubunzima (kg/m2) |
|---|---|---|---|---|---|---|---|
| UhloboII | 400 | 100 | 10.5 | 119 | 12,400 | 874 | 48.0 |
| UhloboIII | 400 | 125 | 13.0 | 153 | 22,200 | 1,340 | 60.0 |
| UhloboIV | 400 | 170 | 15.5 | 191 | 46,700 | 2,270 | 76.1 |
| UhloboIIw | 600 | 130 | 10.3 | 141 | 13,000 | 1,000 | 61.8 |
| UhloboIIIw | 600 | 180 | 13.4 | 343 | 32,400 | 1,800 | 81.6 |
| UhloboIVw | 600 | 210 | 18.0 | 417 | 56,700 | 2,700 | 106.0 |
I-ASTM A36 / A572 Gr.50 / A992 Iphepha lentsimbi elitshixiweyo kunye nokusebenza okungangeni manzi
Uyilo: Yin-yang interlock, ukuvuleka komoya ≤1×10⁻⁷ cm/s
Amazwe aseMelika: Ihlangabezana nomgangatho we-ASTM D5887 weLiner yokunciphisa ukuvuza phantsi kweeDrums
Mzantsi-mpuma weAsia: Ilungele ukuvuza kwamanzi angaphantsi komhlaba ngamaxesha emvula ashushu
Inkqubo yokuvelisa inqwaba yesinyithi ye-ASTM A36 / A572 Gr.50 / A992
1. Inkqubo yesinyithi: Intsimbi eluhlaza iyanyibilikiswa kwi-arc yombane okanye kwi-basic oxygen furnace ize iphoswe kwii-billets.
2. Ukuqengqeleka Okushushu: Iibhilethi ziqala zifudunyezwe zize ziqengqelwe zibe bubukhulu bokugqibela kunye nemo kwimeko yeendawo ze-U, Z okanye AZ.
3. Ukusika kunye nokulungisa: Iingqumba zentsimbi zinqunyulwa ngobude kwaye zilungiswe ukuze zifumane ukufana.
4. Ukugqiba umphezulu: Ukugqitywa kwesixhobo sokusila/ ukugalelwa ngentsimbi/ ukugqunywa ngokweemfuno zeprojekthi.
5. Ukujonga Umgangatho: Inqwaba nganye ivavanywa ukwakheka kweekhemikhali kunye neempawu zoomatshini kunye nokuhlolwa kobukhulu.
6. Ukupakisha kunye nokuthumela: Iingqumba zibotshelelwe ngeengcingo zentsimbi/zingenamhlwa xa kuyimfuneko, ziyaziswa.
Umphezulu weNqwaba yePhepha leNsimbi ye-ASTM A36 / A572 Gr.50 / A992
Amazwe aseMelika:HDG ukuya kwi-ASTM A123 (uboya obuncinci be-zinc ≥ 85 µm); Uboya be-3PE abunyanzelekanga; zonke izinto ezigqityiweyo ziyahambelana ne-RoHS.
Mzantsi-mpuma weAsiaI-hot dip galvanized ityebile kakhulu (ingaphezulu kwe-100μm), kwaye kusetyenziswa iileya ezimbini ze-epoxy coal tar coating, ingatshizwa ngetyuwa ivavanywe iiyure ezingama-5000 ngaphandle kokugqwala, yeyona ilungileyo ukusetyenziswa kwiindawo zaselwandle ezishushu.
ISICELO
1. Imisebenzi yoLawulo lweZikhukula zoMlambo: Isetyenziselwa ukhuseleko lonxweme lomlambo kunye nokulawula imijelo yamanzi ukufezekisa uthintelo lwezikhukula lwexesha elide kunye nozinzo lwemithombo yamanzi.
2. Ubunjineli boKhuselo loNxweme: Ukwakha iindonga zolwandle, ii-bulkheads, ii-revets kunye nezinye izakhiwo zaselwandle ukuze kuthintelwe ukukhukuliseka kwamaza, ukunyuka kwesivuthuvuthu kunye nezenzo zamaza.
3. Isakhiwo seBridge: Isiseko Esiqinileyo Esinzulu SeeBridges Iipali eziqhutywayo zibonelela ngesiseko esithembekileyo seebridges ezikwaziyo ukumelana neemfuno zomthwalo omkhulu.
4. Ukwakhiwa kwePort & Wharf: Amazibuko kunye neenqanawa zisetyenziselwa imisebenzi yophuhliso lweenqanawa, ii-piers, ii-quays kunye neechweba ukuze kuthwalwe imithwalo enzima, kuthintelwe uxinzelelo lwamanzi kwaye komelezwe amandla kwiindlela zolwandle.
Kutheni Ukhetha Intsimbi Yasebukhosini YaseTshayina Yeenqwaba Zeeshiti Zensimbi
1. Uqoqosho oluphezulu kunabathengisi basekuhlaleni: Ngenxa yokuba singabavelisi ngqo, akukho mntu uphakathi wokongeza iindleko ezongezelelweyo. Oku kwenza ukuba amaxabiso esiwanikezelayo abe nomtsalane kakhulu kwaye sinokukunceda wonge imali kwiprojekthi yakho ngaphandle kokunciphisa umgangatho.
2. Ukuhanjiswa kweTshayina ngokukhawuleza: Iitoni ezili-1,000+ zesitokhwe esifumaneka lula, iiodolo ezisemgangathweni zingalungiswa kwiintsuku ezisi-7-15 gcina iprojekthi yakho ikwishedyuli.
3. Isiqinisekiso esipheleleyo se-ASTM: Zonke iipali zineengxelo zovavanyo lwe-ASTM ezipheleleyo kunye neengxelo zovavanyo lwe-mill, ukuze uqiniseke ukuba izixhobo zakho ziyahambelana nemigangatho yamazwe ngamazwe, isakhiwo sakho siyahlangabezana neemfuno zasekuhlaleni, kwaye unoqinisekiso lomgangatho olufunayo.
4. Iprojekthi EqinisekisiweyoAmava eMzantsi-mpuma Asia Siyakwazi ukubonelela ngeeprojekthi zoMlambo/zoNxweme/zeBhulorho/zeZibuko zaseVietnam, iiPhilippines nakwamanye amazwe aseMzantsi-mpuma Asia ngezixhobo eziqinisekisiweyo, ezobuchwepheshe kunye nokubonelela rhoqo.
UKUPAKISHA NOKUTHUMELA
Ukupakisha Okuqhelekileyo: Inqwaba yeshiti yentsimbi ibotshelelwe ngocingo okanye imitya yentsimbi enzima. Iimfumba zibotshelelwa ngokuqinileyo ukuze kuthintelwe nayiphi na intshukumo ngexesha lokuthuthwa.
Ukupakisha okukhethwayo: Unyango oluchasene nomhlwa, iphakheji engangeni manzi okanye olunye upakisho olwenziwe ngokwe-odolo lungenziwa ngokweemfuno zeprojekthi yakho ukukhusela umhlwa nokuqinisekisa ukubonakala okuhle.
Ukuphatha Amanyathelo Okhuseleko: Layisha kwaye ukhulule umbhobho ngononophelo ukuze uthintele ukungqubana, ukutyumza, kunye nokukrwela umphezulu. Sebenzisa iikhreyini, iiforklifts okanye izilingi ezichazwe ukuba zisetyenziswe ngentsimbi.
Ukhuseleko lokuThutha: Landela imithetho yokhuseleko rhoqo ukuze uphephe iingozi, umzekelo, ukusetyenziswa kwezixhobo zokukhusela kunye nokubopha ngokufanelekileyo iipakethe ngexesha lokuthuthwa kuyimfuneko.
Iimeko ezikhethekileyoNangona kungacetyiswa ukuba kusetyenziswe ixesha elide kwiindawo ezishushu kakhulu okanye ezitshisa kakhulu, kwiimeko ezinjalo umgangatho we-alloy onokuxhathisa ubushushu/ukugqwala okungcono unokuqwalaselwa, kwaye neengubo ezongezelelweyo zokukhusela zinokuthathwa njengokukhusela umbhobho ekuhambeni kwexesha.
FAQ
Q1: Zeziphi iintlobo zeenqwaba zesinyithi ozibonelelayo?
A: U Pile, Z Pile, kunye ne-AZ Pile kwiigreyidi ze-ASTM A36, A572 Gr.50, A992.
Umbuzo 2: Ngaba ungabonelela ngobude okanye amacandelo alungiselelwe wena?
A: Ewe, ubude ukusuka kwi-6m ukuya kwi-18m kunye namacandelo enziwe ngokwezifiso ayafumaneka.
Umbuzo 3: Ngaba ninikezela ngamaxwebhu okuthumela ngaphandle?
A: Ewe, igcweleIzatifikethi ze-ASTM kunye neengxelo zovavanyo lwe-millzibonelelwa ngokuthunyelwa ngakunye.
Q4: Ngaba unokukwazi ukusingatha ii-odolo ezininzi?
A: Ewe, sinayoIsitokhwe esilungeleyo esingaphezu kwe-1000 yeetonikwaye inokuxhasa iiprojekthi ezinkulu.
Umbuzo 5: Ngaba iinqwaba zakho zesinyithi zifanelekile kwiindawo ezinobungozi?
A: Ewe, sinikezelaiinqwaba ezigqunywe ngentsimbi okanye ezigqunywe ngentsimbiukuze ikwazi ukumelana nokugqwala kwaye ihlale ixesha elide.












