Luke polima-ájá: nkọwa, na ụdị na nkọwa

N'oge ndị na-ewu ọ bụla ụlọ bụ ihe mbụ tọrọ utilities, ohere nke bụ na e mere n'ụdị pụrụ iche akọwa. Ha na-ekwe ka ị na-kpam kpam-esi na-nwe ngwá maka ya adọ mmezi na mkpochapu ọdịda. Na-emekarị otú ahụ exits ndị mechiri emechi nkedo-ígwè lids, ma na-adịbeghị nwere esiwanye eji onu polima-ájá n'ihi nzube a. Ka anyị lee ihe kasị nke ngwaahịa na ihe bụ isi e ji mara.

obere nkọwa

polymeric hatches n'ichepụta technology dabeere na usoro nke mgbatị na-ekpo ọkụ-na ịpị niile mmiri nke ihe onwunwe (ájá, thermoplastic Polymers, na e ji esiji ákwà). Nke a na usoro nke mmepụta na-enye ohere iji nweta a ngwaahịa nke nwere kasị elu arụmọrụ, na nwere a adị anya.

Otú ahụ na ngwaahịa na-eji mepere emepe mmiri ọrụ, kpo oku usoro na ụzọ ụlọ ọrụ. Na a ọnụ ọgụgụ buru ibu onwe ewu na agbara siwa manhole a na-eji ájá na resin. GOST 3634-99 na ịdị ọcha na gburugburu ebe obibi na ụkpụrụ, nke mere na ngwaahịa, setịpụrụ kpọmkwem akụkụ na isi àgwà nke okokụre ngwaahịa. N'ihi nke a, na asịwo nwere dịghị ihe isi ike na dochie mkpuchite, na ngwaahịa bụ kpamkpam mma maka gburugburu ebe obibi.

Isi uru na ọghọm nke ngwaahịa

Luke polima-ájá nyere a ọnụ ọgụgụ nke àgwà ọma ndị na-adọrọ na-eji ọkụ. Ndị a gụnyere:

• ala na-eri;
• ogologo ndụ (afọ 50);
• ike idi a ọtụtụ ibu;
• mfe nke iga ngwaọrụ;
• iguzogide ultraviolet ìhè;
• udo nke echichi (na-enweghị ojiji nke pụrụ iche akụrụngwa);
• gburugburu ebe obibi enyi;
• iguzogide corrosion;
• iguzogide mberede okpomọkụ mgbanwe;
• ìhè arọ;
• a obosara nhọrọ nke na agba.

Ọ bụrụ na anyị na-ekwu banyere adịghị ike, nke na-nyere na ngwaahịa, mgbe ahụ, ọ ga-ahụ kwuru ụfọdụ ụdị ndị dị otú ahụ na okpu na-haziri maka obere ibu. Nke a ọnọdụ anaghị ekwe ka ha na-arụ ọrụ na ụzọ ebe arọ iga siri. Otú ọ dị, nsogbu na-adị mfe edozi site ịkpachara anya nhọrọ nke hatches, na-ewere n'ime akaụntụ na gburugburu ebe obibi nke ha were.

Polymeric umu hatches

N'ihi ya, isi ihe ndabere maka nhọrọ nke ngwaọrụ bụ na a ibu nwere ike idi polima-ájá onu. Ibu imewe bụ isi egosi ikike a: elu ya bụ, ike ngwaahịa. On a oke hatches na-ekewa n'ime 5 ọmụmụ:

• pịnye "L" (ubi dịgasị iche iche);
• pịnye "L" (ìhè);
• Pịnye "C" (ala);
• Pịnye "T" (arọ);
• pịnye "TM" (arọ, ogwe).

Hatches akara "L" (yad) nwere a ala ibu (25 n'arọ) na pụrụ iguzogide a ibu karịa 1500 n'arọ. Ọtụtụ mgbe ha na-arụnyere na ekwo ekwo na lawns.

Ngwaahịa "L" (ìhè) itu banyere 45 n'arọ na a ibu nke 3000 n'arọ. Ha na-e maka echichi na ụgbọ ala ogige, na-agafe agafe na green ebe.

Luc (polima-ájá), na "C" klas bụ ike idi ibu nke na-agafeghị oke ogo (7500 n'arọ), mgbe ya ibu bụ 52 n'arọ. Akporo nke a haziri - obodo ogige, na-adọba ụgbọala, si ekwo ekwo.

Arọ ngwongwo (otu "T") nwere ike ugbua-arụnyere na ụzọ ebe e nwere agafeghị oke okporo ụzọ. Ha arọ bụ 57 n'arọ na kacha ibu - 15000 n'arọ.

Oke isi hatches pụrụ iguzogide ruo 25,000 kg ibu, ya mere, ha ga-eji na ihe ọ bụla okporo ụzọ. Uka nke ndị dị otú ahụ mkpuchite - 60 n'arọ.

E wezụga ihe dị iche na ibu, polima hatches nwere ike iche ụdị. Ọtụtụ mgbe na-emepụta okirikiri cover (n'ihi na eziokwu na m ala olulu emekarị gburugburu), ma na mmepụta nke square-ngwaahịa na-ekwe omume (na-arịọ arịrịọ).

akụkụ

Ọzọ ihe dị iche n'etiti ngwaahịa nke iche iche iche iche bụ na akụkụ, nke nwere ike ịbụ polima-onu ájá. Akụkụ nke mkpuchite nwekwara dabere na ogo nke ha ntaramahụhụ. Light griin haus cover nwere a dayameta nke 600 mm na a elu nke 25 mm, na casing Ọdịdị onwe ya a ntakịrị ihe (720h60 mm).

Group Lung hatches ji mm na size 690h55 na 750h90 mm mkpuchi nke ahu. The isiokwu idi ajụ ibu nwere akụkụ 690h50 mm (mkpuchi) na 750h100 mm (ụlọ). The size nke kpụ ọkụ n'ọnụ karịsịa ụdị 700h70 mm. Ileba akụkụ mesikwuru owuwu - 800h110 mm.

arịọnụ

Echichi nke dị iche iche nke polima ngwaahịa nwekwara nwere ya e ji mara. N'ihi ya, polima-onu ájá ìhè ụdị na-n'ịnyịnya na a omimi nke 25-45 mm, na nke sekọndrị, Ọdịdị nke ike ndọda - 60 mm. Ike karịa niile nwekwuo arọ hatches - ha na-n'elu 85 mm n'okpuru ala ozo.

The nwụnye usoro-amalite na polima Ọdịdị arịọnụ mgbanaka (na ihe slab). Ọ na-ejupụta na ciment ngwa agha na-ekwe nkụ kpamkpam. Ọzọ, onye-nwe-esetịpụrụ ndị onu cover onwe ya.

Gburugburu ọma (na a nta mkpọda) edozi ìsì ebe. Ọ dị mkpa iji gbochie penetration nke mmiri n'ime esite. The obosara nke kpuru ìsì ebe -emekarị dịgasị site 1 1.5 mita. Ukwuu ikwado usoro nke wụnye onu nwere ike ịzụ a ngwaahịa na pụrụ iche ohere mpere maka fixtures.