01
Polyethylene Uhi Noho Uila/Galvanized uea uea like
Hoʻolauna
Ua hoʻokuʻu ʻo Farani i ka NFA-35-035 "Hot-dip galvanized and zinc aluminum alloy prestressed steel wire and steel stranded wire". Hoʻopili ka maʻamau i ke anawaena inoa o 5.0mm, 6.0mm, 7.0mm a me ke alahaka hoʻokuʻu. Hōʻike ʻia nā hōʻailona ʻenehana nui o ka galvanized / zinc aluminum alloy coated steel wire i ka papaʻaina.
Nā hale hana
Loaʻa iā lākou nā papa lawe ukana, nā papa wedge a me nā wedges. E hoʻokomo i ka ʻāʻī i loko o ka heleuma a e hoʻokuʻi i kahi wili i loko o ka pā wedge e hoʻopaʻa i ka tendon ma kahi. Loaʻa nā heleuma koʻikoʻi o ka mokulele i nā hoʻonohonoho like ʻole, e like me nā heleuma hoʻokahi no ka pahu kila hoʻokahi a me nā heleuma multi-strand no nā pahu he nui. He mea koʻikoʻi lākou i ka hōʻoia ʻana i ka hoʻololi maikaʻi ʻana o ka prestress i ke koʻikoʻi, e hāʻawi ana i ka pono o ka hoʻolālā e pono ai no ka noi.
Mechanical waiwai o galvanized / zinc aluminika alumini uea kila
Dia./ mm | Ikaika U'i /MPa | Puali Haʻihaʻi Fm/kN | ʻO ka ukana palena ma 0.1%inelasticity strain 0.1% FP0.1/kN | Ka lōʻihi o ka elongation ma hope o ka haki ʻana /% | Hoʻomaha hoʻomaha /% |
5 | 1 770 | 34.8 | 31.0 | 3.5 | ʻO ka helu hoʻomaha he 2.5 ma hope o 1000h |
1 860 | 35.5 | 32.5 | |||
6 | 1 670 | 47.3 | 42.0 | ||
1 770 | 50.1 | 44.5 | |||
7 | 1 670 | 64.3 | 57.0 | ||
1 770 | 68.1 | 60.6 |
Nā hiʻohiʻona
Ua māhele ʻia ka uea kila i ka Papa A a me ka B. Hoʻohana nui ʻia ʻo Class A no nā huahana prestressed me ka mea palekana liʻiliʻi a me ka ukana liʻiliʻi. Pono kona pale ʻana i ka luhi i ka palena koʻikoʻi 0.70σb a me 200 MPa. a me 2 miliona mau pōʻai. Hoʻohana nui ʻia ka uea kila papa B no nā kaula alahaka me ka mea palekana nui a me ka ukana ola nui. Pono kona pale luhi i ka 0.45σb me ka amplitude koʻikoʻi o 300 MPa a me 2 miliona mau pōʻai. I ka manawa like, ke kuhikuhi nei ka maʻamau i ka helu o ka piʻi pinepine ʻana o ka uea e hoʻāʻo ai i ka plasticity o ka uea.
Pōmaikaʻi
ʻO ke kaula alahaka ka laina ola o ke alahaka hoʻomaha nui a i ʻole ke alahaka i kau ʻia ma ke kai a me ka muliwai. He mea koʻikoʻi ka pale ʻana i ka corrosion o kāna uea kila no ka lōʻihi a me ka palekana o ka hale. Hoʻokaʻawale ka maʻamau i ka hana uhi o ke kaula kila i ʻehā mau ʻāpana:
(1) ka maikaʻi o ka uhi ʻana i kēlā me kēia wahi o ka uea kila;
(2) ka ikaika hoʻopili o ka uhi;
(3) ka hoʻomau o ka uhi; a
(4) nā ʻano ʻē aʻe. Pono ka maʻamau i ka maikaʻi o ka ʻili o ka uhi no kēlā me kēia wahi o ka uea kila he 180 ~ 350 g / m2, helu ʻia ka nui o ka uhi e like me 7.2 g / cm3, a ʻo ka mānoanoa o ka uhi ʻana he 26 ~ 49μm. ʻO ke ʻano o ka nānā ʻana i ka maikaʻi o ka uhi uea kila i kēlā me kēia mika square he NF EN1460, a ʻo ka lōʻihi o ka hoʻāʻo ʻana ʻaʻole e emi iho ma mua o 150 mm. a laila e uhi i ka uwea wili me ka polyethylene kiʻekiʻe me ka hana extrusion wela. Hoʻohana nui ʻia ʻo ia e like me ke kaula no ke alahaka i noho ʻia, ke kaula hoʻopaʻa ʻia, ke kaula no ke alahaka orch, ka mea hoʻomaha no ke alahaka hoʻokuʻu a me ke kaula no ka struduer kūikawā.
Uea o ka makani-ua hoʻopaʻa haʻalulu
ʻO ke kaula noho kekahi o nā mea koʻikoʻi o nā alahaka i hoʻopaʻaʻia i ke kaula a hiki i ka haʻalulu ke hoʻonuiʻia ko lākou lōʻihi.
Uea me ka uwea helical pālua
ʻO nā uea helical pālua ma ka ʻaoʻao kelepona noho me ke kiʻekiʻe i wehewehe ʻia a me ka pitch e pale i ka ua i hoʻokomo ʻia i ka vibration. a laila.
Uea lōʻihi ikaika kiʻekiʻe
Ma ke kumu o ke kaula noho maʻamau, ua hoʻolōʻihi ʻia ke kaula kiʻekiʻe kiʻekiʻe (ikaika ikaika a hiki i 1770MPa, 1860MPa a me 1960Mpa) ke ola lawelawe ma mua o 50 mau makahiki ma lalo o ke kūlana maʻamau me ka hoʻohana ʻana i nā mea maka maikaʻi, hoʻomaikaʻi i nā ʻenehana hana. a me ka hana uwea.
Ua hoʻohana ʻia ʻo ia ma Sutong Bridge, Hong Kong Stonecutters Bridge, Zhujiang Huangpu Bridge, Jiashao Bridge, HongKong-Zhuhai-Macau Bridge etc.
Uea lōʻihi loa a nui
Me ke kūkuluʻiaʻana o nā alahaka i hoʻopaʻaʻia me ka lōʻihi nui o ka lōʻihi ma mua o 100m,ʻo nā koi no ka nohoʻana o ke kaula e piʻi aʻe a kiʻekiʻe i ka lōʻihi a me ka hana. hiki i ka nui nui ke hiki i ka 511p7. ʻO mākou wale nō ka mea hana ʻoihana i hiki ke hana i ke kaula lōʻihi ma mua o 500m.
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