HomelinessTools da kuma kayan aiki

Manholes a zamani sadarwa tsarin

A najasa tsarin ba yadda ya kamata aiki ba tare da installing manhole. Shigar manholes taimaka wajen saka idanu da aiki da tsarin, to ta sa ta dubawa, wanka da tsaftacewa.

Irin wannan rijiyoyin aka shigar a ko'ina cikin kewayon cibiyar sadarwa, ta ramifications, bends a mararraba na biyu ko fiye da lambatu Lines, canji a cikin dan tudu da diamita na kanti bututu. A kan tafarki sashe na manholes shigar daidai da m matsayin da dokoki, da kuma nĩsa daga daya zuwa wani dogara da diamita na kanti bututu. Saboda haka, idan bututu da aka aza diamita na 150-600 mm, da nisa tsakanin m rijiyoyin dole ne a kalla 50 mita, installing bututu tare da diamita na 125 mm, wannan nesa kada ta kasance fiye da 40 mita.

Make manholes na daban-daban siffofi da kuma masu girma dabam. A form su iya zama trapezoidal, rectangular ko zagaye. Duk da saba madauwari rijiyoyin a kan bututun, inda bututu an dage farawa har zuwa 500 mm diamita, da diamita na 1000 mm ciki sarari cewa damar da yardar kaina sanya daya ma'aikacin a gudanar da wani zama dole gyara ko tsaftacewa aiki.

Rectangular manholes aza tubali. Dole ne su yi da wadannan girma: tsawon ba kasa da daya mita a fadin a cikin kewayon 90 cm square domin gina manholes da ake amfani a bushe kasa bayani lamba 100, a rigar kasa - lamba 150. A cikin akwati inda saitin na zagaye manholes. misali kankare kayayyakin ba zai yiwu ga haƙiƙa dalilai, domin su yi, amfani da musamman mike-bulo gini, wanda ba ka damar ba kawai daidai yi masonry, amma kuma don rage kwararar bayani.

Sau da yawa a lokacin da sayen kasa m daga wayewar site na lambatu na'urar yana da kula da kanka. A wannan yanayin, domin ta kungiyar ya fi dace roba manholes, waxanda suke da yawa karami, kuma ku auna nauyi da kafuwa ba dole ba ne jawo hankalin dagawa kayan aiki. A da kansa site, dangane da yankin na Sewerage tsarin da aka shirya a wannan hanya a matsayin tsakiyar birnin najasa tsarin. Sewerage rijiyoyin aka shigar a cibiyar sadarwa rassan, ta mahadi, canje-canje a cikin gangara kuma diamita. Feature manhole roba ne gaban ramukan don a haɗa da kanti bututu, wanda ba a kankare, inda ramin da karya ta a kan nasu. Wani amfani da yake a cikin cikakken sealing daga cikin rijiyoyin a cikin ƙasa bututu domin samar da da kuma samfurin rayuwa. Long rayuwa saboda da ingantaccen halaye na kayan, wanda a da asali Properties ba rot, ba sha danshi, Ƙaunarsa tasiri m yanayi tare da wanda ya yi mu'amala a lokacin aiki.

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