N'afọ ndị na-adịbeghị anya, nchara nchara na-egbuke egbuke na-ewu ewu nke ukwuu n'ihi na agba oroma na agba aja aja ya na-adịghị ahụkebe na-akwado ụzọ ebumpụta ụwa maka nhazi ala na ihe ọkpụkpụ ubi. Ikekwe ihe atụ ama ama bụ Antony Gormley's Angel of the North na Gateshead, n'agbanyeghị na a na-eji ya eme ihe n'ọtụtụ ntọala dị egwu dị ka ubi nzuzo na nke ọha, ogige ntụrụndụ na mbara ala.

A na-emepụta patina a site na oxidation nke ígwè, na-eme ezigbo oyi akwa nke nchara. Nchara dị nro dị nro na-eme ka oyi akwa na-egbuke egbuke na-agbaji agbaji nke na-ejigide mmiri ma na-enye ohere ikuku oxygen ka ọ rute nchara na-adịghị edozi, ya mere corrosion ga-aga n'ihu ruo mgbe nchara ahụ mebiri kpamkpam.

Nke a oyi akwa bụ denser n'ihi alloying mejupụtara nke weathering ígwè na-eme ihe dị ka ihe mgbochi oxygen na mmiri mmiri si corrosion usoro.

Kedu ihe na-akpata oxidation nke igwe ihu igwe?

A na-enyekarị igwe mkpuchi ihu ma tinye ya tupu mmalite nke usoro oxidation ma na-enwekarị isi awọ isi awọ. Mgbe echichi gasịrị, ikpughe mmiri, oxygen, ìhè anyanwụ na mmetọ ikuku na-amalite usoro nchara.

Ihe ndị a niile na-emetụta ọsọ nke ịnweta ihe nkiri oxide nchebe na ọbụna ọdịdị nke ihe nkiri oxide. N'ebe ugwu, elu na-eche ihu na ndịda ma ọ bụ ọdịda anyanwụ na-emekarị ka anwụ na-ekpo ọkụ ma kpoo ya ugboro ugboro, na-eme ka ọ dị nro, na-eme ka ọ dị nro karịa elu na-eche ihu n'ebe ugwu na ọdịda anyanwụ, nke na-eto nwayọọ nwayọọ na-aghọwanye granular.

Obodo na mpaghara mmepụta ihe na-enwekarị mmetọ ikuku, karịsịa sọlfọ, nke ga-eduga na oxidation miri emi karịa n'ime ime obodo.

Kedu otu m ga-esi chebe okwute m na-adọba ụgbọala?

N'ụzọ dị mwute, ọbụna nchara nke ọma na nchara ihu igwe nwere ike imerụ mmiri na-asọ asọ, ma ọ bụ ezie na ọ na-adọrọ mmasị na ígwè, ọ nwere ike imebi nkume na pavementi ngwa ngwa. Agbanyeghị, enwere ụzọ isi gbochie nke a ime.

Ọ bụrụ na a na-etinye ihe nchara corten n'akụkụ pavement, ihe ngwọta na-emekarị bụ ịhapụ oghere ciment nke 5 ruo 10 mm n'etiti oghere na pavement. Ọ bụrụ na etinyere n'elu usoro ikpo okwu pedestal, gasket ga-enwe otu nsonaazụ ahụ. Nke a na-enye ohere ka mmiri ọ bụla na-agbapụ n'okpuru ala a rụchara (FFL) na gburugburu paving.

Ọ bụrụ na n'ihi ihe ọ bụla, oghere agaghị ekwe omume, oke miri emi, nke nwere ike ịgba ọsọ n'akụkụ mpụta nke mgbidi akuku. Nke a bụ ihe mara mma nke na-enyere aka na drainage ma nwee ike mejupụta oghere na gravel.

Ebe ngwaahịa igwe ihu igwe kwụgidere n'elu okporo ụzọ, naAHLanyị nwere ike kpuchie n'okpuru na ngwa ngwaahịa ahụ na ntụ ntụ iji mee ka ọ dị ka igwe ihu igwe, ma na-enweghị oxidation nke na-eduga na ntụpọ na-adịghị mma.