Kushandiswa kwemapombi esimbi akaputirwa nechimiro cheU anopisa pakuvaka zvivako zvikuru

Mapepa ane chimiro cheU chigadzirwa chitsva chetekinoroji chakaunzwa kubva kuNetherlands, Southeast Asia nedzimwe nzvimbo. Iye zvino anoshandiswa zvakanyanya muPearl River Delta yese neYangtze River Delta. Nzvimbo dzekushandisa: nzizi huru, macofferdams egungwa, mitemo yerwizi rwepakati, kuvaka gomba renheyo, Migwagwa mikuru, mabhiriji, mapurojekiti emaguta uye kuvakazve chiteshi chengarava padanho rechitatu.
Nhanganyaya yezvakanakira zvekushandisa ma sheet piles ane chimiro cheU:
1. Chikamu chikuru chekuchengetedza. Murwi wesimbi wekongiri wakagadzirwa neU, kureba kwechikamu chekuchengetedza murwi mumwe chete kunosvika mita imwe, iyo iri kure zvikuru nemapuranga echinyakare uye mhando dzemapuranga akajairwa akaumbwa kare.
2. Chimiro chechimiro chekumanikidzwa kwechikamu chakasiyana-siyana chakanaka kwazvo. Dhizaini yechimiro chechikamu chakasiyana-siyana chakagadzirwa neU inotorwa kuti iwedzere kukwirira kwechikamu chakasiyana-siyana uye nguva yekusagadzikana kwechikamu chakasiyana-siyana, nokudaro ichivandudza mashandiro ekumanikidzwa kwechivakwa.
3. Mabhenefiti ehupfumi ari pachena. Chimiro chakaita seU chatorwa, izvo zvinoderedza zvakanyanya huwandu hwekongiri inoshandiswa murudzi urwu rwemurwi zvichienzaniswa nemapango epepa akajairwa pakukwirira kwakafanana. Panguva imwe chete, murwi wepepa wakaita seU unoshandisa dhizaini yechimiro chakamanikidzwa, izvo zvinoderedza zvakanyanya kushushikana uye zvinodiwa zvekusimbisa zvichibva pakusangana nezvinodiwa zvekusimbisa kushushikana kwechimiro. Huwandu hwekusimbisa muchimiro hunowedzerwa uye mutengo unoderedzwa. Panguva imwe chete, upamhi hwevhu hunobata upamhi hwemurwi mumwe chete werudzi urwu rwemurwi hunosvika mita imwe, iyo iri kure kure nerudzi rwemurwi wakajairika. Zvichibva pane zvataurwa pamusoro apa, mutengo wemapango epepa ekongiri wakaita seU wakaderera ne30% pane wemapango epepa akajairwa echinyakare, ayo ane mabhenefiti akanaka ehupfumi.
4. Rudzi rwemhando. Mhando dzemapuri ekongiri akaumbwa neU anogona kusarudzwa zviri nyore kuti aenderane nezvinodiwa neprojekiti nekushandisa hurefu hwakasiyana hwezvikamu, mafomu ekusimbisa, huwandu hwekusimbisa uye hurefu hwemapari zvichienderana nezvinodiwa nekushanda kwemuchina wemhando yemapari. Wana kuvandudzwa kwechimiro chezvikamu zvakasiyana uye kuwedzera mabhenefiti ehupfumi.
5. Nguva yekuvaka ipfupi. Mapuranga ekongiri akaumbwa neU-shaped prestressed sheet piles anoshandisa nzira yakagadzirwa kare yefekitori, uye nzvimbo yekuvaka yakagadzirwa nemashini kuti igadzire madziro emapuranga esheet, izvo zvinopfupisa nguva yekuvaka zvikuru zvichienzaniswa nenzira dzechinyakare.
6. Tekinoroji yekuvaka, nzvimbo dzakasiyana-siyana dzinoshanda, uye nzvimbo dzakanaka dzekuvaka mushure mekuumbwa kwemurwi