Iintambo ze-Prestressing Wire PC Wire 5mm Prestressed Concrete Carbon Steel Wire Rods 1084
Iintambo ze-Prestressing Wire PC Wire 5mm Prestressed Concrete Carbon Steel Wire Rods 1084
Uphawu
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Ucingo lwentsimbi oluxineneyo lucingo lwentsimbi olusemgangathweni ophezulu olwenziwe ngentonga yentsimbi eshushu eqengqelekayo yentsimbi ephezulu. Emva konyango lobushushu kunye nokulungiswa okubandayo ukuhlangabezana neemfuno zokuqinisa ikhonkrithi exineneyo. Umxholo wekhabhoni wolu hlobo lwentsimbi yentsimbi yi-0.65% ukuya kwi-0.85%, kwaye umxholo wesalfure kunye ne-phosphorus zombini zingaphantsi kwe-0.035%. Ucingo lwentsimbi oluxineneyo luye lwenziwa kwimizi-mveliso ukusukela ngeminyaka yoo-1920. Emva kweminyaka emininzi yophuhliso, kuye kwaveliswa uthotho lweemveliso ezifanelekileyo kwizicelo ezahlukeneyo.
Ngokwembono yeenkcukacha, amandla okutsalwa kwentambo yentsimbi exineneyo adla ngokuba ngaphezulu kwe-1470MPa. Kwiminyaka edlulileyo, inqanaba lamandla liye latshintsha ukusuka kwi-1470MPa kunye ne-1570MPa ukuya kwi-1670~1860MPa ikakhulu. Ububanzi bentambo nabo butshintshile, ukusuka kwi-3 ukuya kwi-5 mm ukuya kwi-5 ukuya kwi-7 mm. Ezi nkcukacha ziqinisekisa ukuqina nokusebenza kakuhle kwezinto eziqinisa izakhiwo zekhonkrithi.
Olunye udidi lwentambo exineneyo luquka ucingo olutsalwa ngokubandayo, ucingo oluthe tye noluthambileyo, ucingo oluphumlayo oluphantsi, ucingo olugqunyiweyo, kunye nocingo olunezikhonkwane. Ezi ntlobo zibonelela ngeempawu ezahlukeneyo ukuhlangabezana neemfuno ezahlukeneyo. Umzekelo, ucingo lwentsimbi olutsalwa ngokubandayo lwaziwa ngomphezulu walo ogudileyo kunye namandla aphezulu okutsalwa. Ucingo oluthe tye noluthambileyo lubonelela ngokuguquguquka okugqwesileyo kunye nokusasazwa koxinzelelo oluphuculweyo. Ucingo oluphumlayo oluphantsi lunciphisa ukulahleka kwe-prestress. Ucingo lwentsimbi olugqunyiweyo alunamhlwa, ngelixa ucingo lwentsimbi olunezikhonkwane luphucula ukunamathela kwikhonkrithi.
Iimpawu zentsimbi yentsimbi exineneyo zenza ukuba zifunwe kakhulu kwicandelo lokwakha. Amandla ayo aphezulu okutsalwa aqinisekisa ukuba iyakwazi ukumelana nemithwalo enzima kwaye imelane nokuguquguquka. Iinkqubo zokwenza ezichanekileyo ziqinisekisa umgangatho ohambelanayo kunye nokuthembeka. Ineendlela ezahlukeneyo ezikhoyo zokukhetha ezifanelekileyo kwiimfuno zeprojekthi ethile. Intsimbi yentsimbi exineneyo isetyenziswa kakhulu kwiibhulorho, kwizakhiwo, koololiwe, nakumalungiselelo eendlela ezinkulu. Ukusetyenziswa kwayo kunceda ukuqinisa izakhiwo zekhonkrithi, kwandisa amandla azo kunye nomthamo wokuthwala umthwalo.
Ngenxa yokuguquguquka kwayo kunye neempawu zayo eziphezulu, ucingo lwentsimbi oluxineneyo luye lwaba lolunye lweentlobo zentsimbi oluxineneyo olusetyenziswa kakhulu kwihlabathi liphela. Kwiminyaka edlulileyo, imveliso yalo iye yanda rhoqo ukuze kuhlangatyezwane neemfuno ezikhulayo zoshishino lokwakha. Ngokuhlangabezana rhoqo neemfuno ezingqongqo zokuqinisa ikhonkrithi exineneyo, olu hlobo locingo lwentsimbi luyaqhubeka nokudlala indima ebalulekileyo ekuqinisekiseni ukhuseleko kunye nokuqina kweziseko ezahlukeneyo zehlabathi.
Isicelo
Njengoko ishishini lezinto zesinyithi laseTshayina likhokela amashishini, urhwebo lwesizwe lwentsimbi kunye ne-logistics "Ikhulu leenkampani ezilungileyo", amashishini orhwebo lwentsimbi laseTshayina, "Amashishini abucala ali-100 aphezulu eShanghai". I-Shanghai Zhanzhi industry Group Co., Ltd., (efinyezwe kwi-Zhanzhi Group) ithatha "Ingqibelelo, ukuSebenza, ukuVula, ukuPhumelela" njengomgaqo wayo wokusebenza, ihlala iqhubeka nokubeka iimfuno zabathengi kwindawo yokuqala.
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