Ifomu yokuFakela iBollard

Beka isibonda ngokwendawo ephakathi kwenqwaba, uze uzobe i-arc ejikelezayo ngelayimu, uze umbe umngxuma okanye isixhobo sokumba umngxuma ngesandla ukuze umbe umngxuma, ufake kwi-casing yentsimbi, uze ucinezele umgca wokutsala inqwaba elinganisiweyo, ukuze indawo ephakathi ye-casing ifane nendawo yenqwaba elinganisiweyo nelinganisiweyo. Amanqaku aphakathi ahambelana, kwaye ukuma ngokuthe nkqo kunye nendawo ethe tye ye-casing kufuneka kulungiswe ngesando somgca. Isantya sokuthambekela akufuneki sibe ngaphezulu kwe-1%, kwaye ukuphambuka akufanele kube ngaphezu kwe-50ram. Xa ungcwaba i-casing, iindawo ezingqongileyo kufuneka zizaliswe ngodongwe olusemgangathweni ophezulu, kwaye zihlanganiswe ngokulinganayo kwiileya. Ububanzi bangaphakathi be-casing kufuneka buzaliswe ngasemva. Kufuneka ibe nkulu nge-20-40cm kunobubanzi be-casing, kwaye ubunzulu bokubethelela ngokubanzi yi-200-400cm. Xa ungcwaba i-casing, iphakame nge-30cm kunomhlaba wendalo, kwaye kuvulwe indawo yokuphuma eludakeni phezulu, ijonge kumsele wodaka. Kwiimeko ezikhethekileyo, ubunzulu bekhava bunokwandiswa, kwaye ubunzima obuthile bodaka bunokwandiswa (udaka lunokugalelwa kudongwe), kwaye impembelelo ingacotha. Yehlisa ngokufanelekileyo inqanaba lamanzi kwikhava. Ukuba umphetho wetyhubhu yokukhusela uvezwe emanzini, indawo ejikelezileyo ingazaliswa ngodongwe ukuqinisa ityhubhu yokukhusela. Ukuncipha okukhulu kunye nokufuduka kufuneka kuphinde kulungiswe kwaye kufakwe kwakhona ukukhusela ikhava; ukuba udonga lomngxuma obhoboziweyo luyavuza, lunokuphinda lusetyenziswe lube ludongwe okanye i-potassium eluhlaza (umgubo wodaka) ukwenza ulwelo ukuze kwandiswe umlinganiselo wodaka; emva kokuba ikhava ingcwatyiwe, kufuneka kusetyenziswe i-Line hammer kunye ne-wooden ruler, ulinganise umgama ukusuka kumda wekhava ukuya embindini wesikhundla senqwaba kwicala elinqamlezileyo (okanye kwicala elihle nelithe tye lendlela), kwaye wenze iirekhodi zokwakha zokuqala. Ukuphambuka, ukuphambuka akufanele kube ngaphezu kwe-5em. Kwaye iinqwaba zonogada zingcwatyelwe emlonyeni wonogada (zingcwatyelwe kwicala elinqamlezileyo kwaye kutsalwe amanqaku amane), ukuze umqhubi kunye nomhloli womgangatho bakwazi ukusebenzisa indlela enqamlezileyo ukuze bafumane indawo esembindini wenqwaba.


Ixesha lokuthumela: Feb-08-2022

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