Plain, Spiral Rib and Indent PC Strand (2 uea, 3 uea a me 7 uea)

I Kina, hāʻawi ʻo Silvery Dragon i kāna mau kaula wires 7 i ke alaloa a me nā mākeke alahaka ʻoihana kiʻekiʻe. Ma muli o ka hoʻomaka ʻana o ka laina ohua waena o Beijing-Tianjin ma waena o ke kūlanakauhale i ka makahiki 2005, ua hoʻolako ʻo Silvery Dragon 550, 000 mau aho i ʻoi aku ma mua o 20 mau papahana me ka lōʻihi o 6000km me Zhengzhou-Xian, Harbin-Dalian, Beijing-Shanghai, Shijiazhuang-Taiyuan, Beijing-Shijiazhuang, Shijiazhuang-Wuhan, Tianjin-Qinhuangdao, ke East Ring ma ke kūlanakauhale ʻo Hainai a pēlā aku. Loaʻa iā mākou kahi hana lako maikaʻi i ka 300-400km / h kūkulu kaʻaahi kiʻekiʻe. I kēia manawa, hoʻolilo nui mākou i nā papahana nui i nā ʻāina ʻē, e like me Kuwait Jaber Causeway Project ma Kuwait, Edmonton Ring Expressway ma Kanada, GLP Nagareyama III Project ma Iapana, Tel Aviv i Ierusalema alahao ma Israel a pēlā aku.

Kūpono a paʻa ka rib PC strand i kūpono no ka hana ʻenekini paʻa i koi mua ʻia e koi ai i ka ikaika paʻa a me ka lōʻihi o ka hoʻolilo mua-stress. Hoʻohana nui ʻia ia i ka pale ʻana o ka slope, ka pale ʻāina a me kaʻu kākoʻo. Hiki iā lākou ke hoʻokō i nā koina o PrEN10138, BS5896, ASTMA886, JISG3536, KSD7002, a me nā mea ʻē aʻe Spiral Rib PC kahi huahana hou i hoʻomohala ʻia e kā mākou ʻoihana. ʻO kona uea ʻaoʻao he uea ʻoniʻoni a ʻo ka uea waena ka uea ākea me ke keu o ka ikaika nui, ka plasticity maikaʻi, hiki ke hele a paʻa a ʻoi aku ka maikaʻi me ka paʻa. ʻO ia ke koho mua loa no ke kākoʻo o ke alanui a me nā pāʻina e hoʻohui nei i nā pā.

Nā palena nui & nā pae kuhikuhi