Chii mai - tinonzwisisa pamwe chete

Ngatimbotaura chii mai, uyewo pamusoro kushanda mamiriro ichi.

Chiiko ichi

Under mai zvaireva chakagadzirwa kukwirira muchimiro mugodhi, inovakwa kubva pasi mabwe. Zvinokwanisika kuvaka uye ebetsero zvinhu. Ngatitorei vanyatsoona pfungwa "dhamu".

Meaning of shoko maduramazwi siyana zvakafanana. Tiri kutaura kwakadzikira vari anovaka marshes, pamapani, rwizi kumihomba nzizi huru pamhenderekedzo. Chinangwa chikuru kuvakwa uyu kuita Okugadzira, kuvaka mvura pamusoro mumugwagwa uye njanji Matandira.

Features

Saka chii mai panguva ino? Chokutanga rwokudzivirira chivako, bereguschie roadbed kubva zvichibvira mvura mafashamo. Nokuti kuita mabasa basa zvakazara, mai kumuka pamusoro mvura pamusoro dzinenge imwe mita. Kune vamwe zvinodiwa uye upamhi runodzivirira ubvise ichivakwa.

Saka, nokuti migwagwa uye njanji chinofanira kuva kupfuura mumugwagwa, uye upamhi kunoenderana pasi nemishonga kuti zvomumvura madhamu. Uyewo inorangarira mhando zvinhu zvinoshandiswa kuvaka.

The chaizvo rakasikwa

Sezvo dhamu inovakwa? Izvo zvinoreva steepness yaro? Zvichienderana chinangwa, paaisika guardbands dzakadaro akasarudza zvakasiyana angled kuti mafungiro. For mikuru uye njanji lähikuva anosarudzwa usingabereki yekubata mvura.

Ainyanya kushandiswa jecha zvokuvakisa ivhu madhamu havasi zvinoshanda. Earthmoving dzakatenuka kungava kuroora kana sesquihydrate kutsaudzira, dzaona kubva noupamhi mita imwe mita kwayo.

Kuwedzera simba pezvivako 2-8 metres dzakakwirira dzakatenuka kuti pemidengerero muchimiro chinjikira platforms (berms) kuti kuwedzera nemishonga akasika zvivako.

Pakupindura mubvunzo, chii mai, tinoona kuti inosanganisira nzvimbo akaturikidzana ose jecha ivhu. Pashure kuisa rimwe rukoko runodiwa nekuumbanidzwa pasi chete pashure basa iri riri kuramba kusika murindi bhendi.

Muzviitiko apo ivhu yaishandiswa backfill Dam, hazvina akakodzera dzakadzvarwa, materu turf kana pasi chifukidziro pamwe paiva 15-20 masendimita uye kudyarwa kwayo zvinomera. River levees vari kudyara the willow nemiti kundotora pemvura.

neyemitenusirwa avo, izvo pasi kuramba kumanikidzwa mvura kana mafungu kuti zvimwe kusimbisa dombo dzakakwirira mvura chechetere. On michina mitsva, materu kurutivi mvura madhamu kuti zvakawanda zvinyoronyoro kuenzaniswa Upland marudzi.

Aine maonero kwokungosimbisa akavaka dzimba vanoshandisa mbambo kuti kuzadza mechidziro uye inodiwa tsotso.

Pakuvaka mvura pamusoro marshland, chokutanga muvhu akachera rakadzika, ayo tamped ivhu, uye chete maererano iri vakawana vanoita zvose unozotevera basa rokuvaka.

mhedziso

Uchitsvaka mhinduro yomubvunzo wokuti, chii mai, takakwanisa kufunga chinangwa meimba. Pasina hombe zvisungo zvakadaro aisagona zvakabatana mumwe Somuenzaniso, St. Petersburg uye Kronstadt.

Chokwadi, mari kuvakwa kwakadaro, nemabhiriyoni rubles, uyewo akakura mabhodhoro nguva-asi mugumisiro, izvo pakupedzisira chingawanikwa zvakazara akabhadharira kuti mari yose chakakonzerwa namaneja.

Vasati vatanga kuvaka dhamu, akawandisa vanachiremba kushanda racho. Aiitisa zvidzidzo yakatodzama ivhu, vakaongorora ari feasibility uye mukana rakasikwa mudhamu. nokufungidzira pamusoro uwandu kwaida murwi zvino wakaitwa, akasarudzwa zvinhu pakuvaka, uye chete pashure kuti kutenderwa chirongwa chiri rakatangwa muna chokwadi.