Manholes Kodi?

Manholes anapanga kukhazikitsa pa chidzenje. malo Ichi chimapereka mwayi kwa zofunikira mobisa: kuchimbudzi, madzi mkuntho, chingwe kapena payipi. Nchito yake yaikulu: chitetezo ndi ngalande zitsime zisaonongeke ndi kuonetsetsa chitetezo cha oyenda pansi ndi ziziyenda.

Chidzenje chivundikiro kutumikira monga malire ndi mvula ndi kuteteza motsutsana malowedwe wosaloleka m'chitsimemo. Mwachibadwa, manholes kulemera makilogalamu oposa 50, kukhala kovuta kuti kusuntha. Childs, zipewa ndi mawonekedwe zozungulira, koma mukhoza kupeza lalikulu, amakona anayi ndi chowulungika.

Round chivindikiro amadzazira manholes, yabwino kuti zilibe atembenuza, choncho musalekane m'chitsimemo. Komanso, pa kupanga ake zimatengera zinthu zochepa ndi luso chosavuta kupanga. Chivundikirocho pali dzenje. Iwo akulamulira mpweya osakaniza mkati bwino (Mzimuyo malire kololeka). Ndi kosavuta kutsegula manholes, ntchito mbedza ndi nsonga mkuwa.

Pamwamba pa chivindikiro cha Nthawi zambiri otchuka, kuteteza kudzikundikira komanso yozizira koopsa madzi. M'maganizo wosiyana kalembedwe, kambiranani zimene kulankhulana pali mitundu yonse ya zithunzi. Optionally buku chivundikiro chimene chitsanzo makamaka, kapena chokongoletsera adzakhala akuonetsedwa odula banja. Kusunga mosamala concave hatches sabala.

Ntchito zipangizo zingapo chimakwirira. Hatches nkhumba chitsulo ndi ambiri ndipo ambiri amagwiritsidwa ntchito padziko lonse mafakitale. Koma mungapeze pulasitiki, pulasitiki, labala ndi manholes konkire. Koma chitsulo ndi nkhani yaikulu kupanga awo. Osewera hatches chitsulo yodziwika kudalirika kwake ndi kukana kwa malo akunja. Posachedwapa, akhala chandamale otchuka kuba (ubwino zitsulo zotha). Mtengo wa chivundikiro wina amenewa kungakhale kuchokera madola 50 200, ndi kusiya hatches oopsa lotseguka, kotero anayang'ana zina.

Iwo wakhala azimuth noticeable cha kuchuluka kwa zisoti pulasitiki. Iwo cholimba, Eco-wochezeka ndipo ndi mtengo wotsika. Ntchito zitsulo mu madera wobiriwira malo, pa footpaths ndi pavements. sangathe yaikulu ndi otsika mphamvu, choncho iwo anapereka m'misewu.

No kapu pa kuchimbudzi chidzenje angakhale ndi zotsatira zoipa. Chidwi achinyamata anamwazikana ndipo odutsa sangathe kuona zimaswa lotseguka ndi kugwa. Pali kuthekera kuti munthu ukhoza kugwera m'dzenje, iye asanati amugwire thandizo, chifukwa cha kuvulala (wovulala, contusion). Chotero, ngati munthu amakumana zimaswa lotseguka, yesetsani kupewa mavuto amenewa. Mu kutsegula wake angandikankhile nthambi zazikulu, osachepera. Amaona ndipo kulambalala. Onse manholes popanda chimakwirira ayenera wokhala ndi mpanda wolimba ndi kutsekedwa mwamsanga.