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Hautanga 20-40 - ofa'i tukinotia: tona taimaha, kiato, me ētahi atu āhuatanga

A, no te mahi koe maha ngā momo o te hanga ranei te mahi hanga titau te whakamahi o te kamaka mongamonga. Hei taea ki te whakamahi i te reira mō ngā take, kohatu mongamonga hanga o wehenga rerekē. Material rahi iti o whakamahia mō ngā take whakapaipai, e hiahiatia ana te hautanga pokepoke kei roto i te hanga o ngā taimaha nui.

Te rahi toharite o te hautanga - 20-40. ofa'i i kurua o tenei rahi ko te rongonui tino. Kei te whakamahia kiripaka diorite ofa'i ranei mo tona production.

hanganga rauemi

Ofa'i - whakaaro te te toka pakeke tino, kitea nei i runga i te ao. Ngā mihi ki tona kaha motuhake, hanga o ngā rauemi ofa'i, tae atu kirikiri, kei te whakamahia te wahi e kia kitea nga pae hanga i roto i te mahi ki te pikaunga teitei. A no te mea he whānui i roto i tata katoa āhua i te kamaka ofa'i, tonu te utu o ngā rauemi i reira wātea, me te rongonui.

rauemi Tae tei runga i te mea i roto i kohuke ofa'i, engari te nuinga o kua tae te reira i whero ki te hina. I muri i whakapā ki te nui te iti o ngā kohuke kia whai rauemi pouri te ahua serpentine.

painga rauemi

Hautanga 20-40 - ofa'i tukinotia, whakaaro nei ko te filler pai mo te rāngai hanga. Ngā mihi ki taea tona whakamahi kahore uauatanga ki te whakaki i roto i te puka e tika ana, te tiaki, me te tino tino, ngā hanumi raima utu. Mai ofa'i witi i te puka tapatapahi taratara, puta adhesion pai wāhanga, e whakarite adhesion pai o te wāhanga rauemi.

A, no te whakaritea ki ētahi atu wehenga o te rahi, ko reira te witi toharite hua ki te utu mahi i raro, e whakarite te utu rauemi tino wātea.

āhuatanga

Tei mahinga i runga i te āhuatanga e whai ake nei:

  1. Hautanga 20-40 - ofa'i tukinotia, e kua te ātete kākahu teitei me te pu.
  2. Ko te rauemi e taea te tu i te maha mure o te Freeze / koero, me te kore e fatifati i.
  3. Ko te aroaro o te flakiness iti. Ko te katoa taimaha o nga purapura bit e whai flat āhua, ngira, me te nuinga kirikiri kia ngāwari raungaitia i roto i hoahoa me ngā mōtā.
  4. Tei mongamonga ofa'i 20-40 Kiato i runga i te momo i nei i hanga i te reira. Hei tauira, te rauemi o te ofa'i kupiki e ata e pā ana ki 1370-1400 kg o pākeho - 1280, gabbro, diabase - 1440 kg.
  5. porosity Iti. Te ngaro tata oti o kōputaputa whakahaere hōkaiipurangi tiketike, me te iti whakarea mimititanga wai.
  6. ira iti. Ko te tino nui tenei kounga, no te mea taea reira ki a koutou te whakamahi i te rauemi i roto i te hanga o ngā whare noho, arumoni, tūmatanui, me te ahumahi. Tenei tau ano ngā kindergarten, kura me ngā hōhipera.

tautukunga ki GOST

I te ofa'i mongamonga 20-40 GOST 8267-93 āta te maha o nga tohu e whai ake nei:

  • 5-23% flakiness;
  • i roto i te hanganga e kore e waiho atu atu i te 0.5% o te witi, ko te 5 mm me te neke atu i te 10% o te hautau e he iti atu i te 20 mm.
  • kore me nui paru puehu 0.3%;
  • Rārangi 1000-1400 kaha;
  • taimaha o 1 m3 o ofa'i tukinotia 20-40 - 1.35 tana;
  • aroaro o kapia o te paru - i te nuinga 0.25%;
  • te aroaro o matūriki toka ngohengohe - kaua e nui ake 5%;
  • rahi nuinga kiato o e pā ana ki 2.7 g / cm 3;
  • manawanui - tohu I1.
  • te ōrau o te absorption wai - he mōrahi o 0.4%.

I tua atu, me whai te rauemi i te āhuatanga e whai ake nei:

    1. Tohu o te haupapa resistance - F300.
    2. kore me nui taumata ira 370 Te Ranga Takapau / kg.

    I roto i te faaotiraa o te aro mātai kounga hua e wahi i runga i enei, me te tahi atu āhuatanga o te paru.

    Scope

    He nga āhuatanga chemico-tinana e whakarato he mahi pai rauemi ofa'i mongamonga. tautuhia tōna whānuitanga te rahi witi.

    Hautanga 20-40 - ofa'i tukinotia, whakamahia nei te:

    1. Ko te rongoā raima.
    2. I roto i te hanga o whakapakaritia hanganga raima.
    3. I roto i te tuuraa o turanga.
    4. Ka rite ki te kiato nuinga mo te turanga i raro i te whārangi uku.
    5. Hei whakapakari i tīaroaro ara ranei.
    6. A, no te tūnga pūrere mō ngā waka.
    7. Hoki wāhi rangitahi e ka tu i te taputapu hanga.
    8. I roto i te hanga o te ara Wilkes i mo te waka.
    9. Hei whakapakeke te mata i raro i te w / e o te ara.

    Āhuatanga hoko

    E kore matou e korero e pā ana ki te tukanga o te rironga me te kōwhiringa o te rauemi. Ko te mea nui, tutaki te rauemi nga specs katoa, a he taea tenei anake, ki te tutuki te reira i te whakaritenga o te GOST. Ko te mea tino nui ko te āhuatanga e kua whakaahuatia i roto i tenei tuhinga tūmatanui? Eaha te tupu, ki te kore e whakatau i te kirikiri nga whakaritenga i runga ake o GOST?

    Ka rite ki whakapumautia e te mahi, i tetahi huringa i uta e ino. Hei tauira, ki te purapura flat i roto i te taimaha katoa he nui atu i te whakaritea whiwhi ki to ratou whakamahi he kounga iti raima, me te nui o te huinga raima e Me ki ake i, hua i roto i nui haere utu.

    Ki te he iti (ranei nui) kurua ofa'i 20-40 taimaha atu he tika, na reira, i roto i tona hanganga, i reira he purapura o te tahi atu wehenga. Ko te kupu, ko te nui te taimaha, te atu te papatipu tapeke o purapura pai, me te hurihia: noho matūriki nui atu wāhi, na e paunatia taua paru iti.

    Na reira, ki te hoko rauemi e kore e e whai i te āhuatanga e hiahiatia ana, he tika te hoko ki te whakarite kia whai koe i te tiwhikete, te mutunga parukore-tahumaero, te āhuatanga mā o te hua, me tona uruwhenua.

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