Hanyoyi uku na al'ada na tuki na tuƙi na ƙarfe da fa'idodin su da rashin amfani

A matsayin tsarin tallafi da aka saba amfani da shi,karfe takardar tariana amfani dashi sosai a cikin tallafin rami mai zurfi, levee, cofferdam da sauran ayyukan. Hanyar tuƙi na karfetulin takardakai tsaye yana shafar ingancin ginin, farashi da ingancin gini, kuma zaɓin hanyar tuƙi yakamata a yi la'akari da takamaiman buƙatun aikin, yanayin ƙasa da yanayin gini.

Hanyar tuƙi ta tulin karfe an raba shi zuwa hanyar tuƙi ɗaya, nau'in allo da hanyar tuƙi, kowane ɗayan yana da nasa halaye da yanayin yanayin aiki.

 

Hanyar tuƙi guda ɗaya

Kowannekarfe tari takardarana kora da kansa yana farawa daga kusurwar bangon takarda kuma an shimfiɗa shi ɗaya bayan ɗaya har zuwa ƙarshen aikin gaba ɗaya. Wannan hanyar ba ta dogara da goyan bayan wasu tarin tulin karfe ba kuma kowane tari ana tura shi cikin ƙasa daban-daban.

 

Tuki ɗaya ɗaya na tulin takarda na ƙarfe baya buƙatar tallafin taimako mai rikitarwa ko tsarin dogo mai jagora, kuma ana iya sarrafa shi cikin sauri da ci gaba, wanda ke da fa'idodin gini mai sauƙi, sauri da inganci, da ƙarancin gini. Rashin hasara shi ne cewa an karkatar da tulin karfen cikin sauƙi saboda rashin tallafi daga maƙwabtan maƙwabta yayin aikin tuƙi, wanda ke haifar da manyan kurakurai masu tarin yawa da wahalar sarrafa inganci na tsaye da daidaito. Hanyar tuƙi ɗaya ɗaya ta dace da yanayin ƙasa tare da ƙasa iri ɗaya kuma babu cikas, musamman dacewa da gajeriyar gini da ayyukan tallafi na wucin gadi waɗanda basa buƙatar babban daidaito.

 

Hanyar korar allo
Ana shigar da rukunin tulin tulin ƙarfe ( tara 10-20) a cikin firam ɗin jagora a cikin layuka don samar da tsari mai kama da allo sannan a tura su cikin batches. A cikin wannan hanya, tulin tulin karfen da ke gefen bangon allo na farko ana tura shi zuwa wani zurfin zurfin ƙira kamar yadda ake gano tulin takarda, sannan a tura shi cikin batches a tsakiya a jere, yawanci a wasu tazara har sai duk tulin tulin karfen sun kai zurfin da ake bukata.

 

Hanyar korar allon yana da kwanciyar hankali da daidaiton gini mafi kyau, zai iya yadda ya kamata rage kuskuren karkatar da hankali da tabbatar da daidaiton bangon bangon takarda bayan gini, kuma a lokaci guda, yana da sauƙin gane rufewar rufaffiyar saboda sakawa duka ƙarshen farko. Rashin hasara shi ne cewa saurin ginin yana da ɗan jinkirin, kuma wajibi ne a gina babban firam ɗin ginin gini, kuma idan babu goyon bayan fakitin maƙwabta, kwanciyar hankali mai dogaro da kai na jikin tari ba shi da kyau, wanda hakan ke ƙara haɓakar ginin da haɗarin aminci. Hanyar tulun allon karfen takarda ya dace da manyan ayyuka tare da tsauraran buƙatu akan daidaiton gini da tsayin daka, musamman a yanayin yanayin ƙasa inda ingancin ƙasa ke da rikitarwa ko kuma ana buƙatar tulin takaddun ƙarfe mai tsayi don tabbatar da daidaiton tsari da ingancin gini.

Hanyar Piling Purlin

 

A wani tsayin tsayi a ƙasa kuma a wani ɗan nisa daga axis, ana fara gina firam ɗaya ko biyu, sa'an nan kuma a sanya tulin karfen a cikin firam ɗin purlin cikin tsari, sa'an nan kuma bayan an rufe sasanninta tare, a hankali tulin tulin karfen ana tura su zuwa tsayin ƙira ta hanyar taku ɗaya bayan ɗaya. Amfanin hanyar piling purlin shine cewa zai iya tabbatar da girman jirgin sama, tsayin daka da kwanciyar hankali na bangon bangon takaddar karfe a cikin aikin ginin tare da daidaito mai girma; Bugu da ƙari, wannan hanya na iya samar da kwanciyar hankali mai ƙarfi ga tsarin bayan rufewa tare ta amfani da firam ɗin purlin, wanda ya dace da yanayin yanayin ƙasa iri-iri.

 

Rashin hasara shi ne tsarin gininsa yana da ɗan rikitarwa kuma yana buƙatar haɓakawa da tarwatsa firam ɗin purlin, wanda ba wai kawai yana ƙara yawan aiki ba, amma kuma yana iya haifar da saurin aikin gini a hankali da farashi mai girma, musamman lokacin da ake buƙatar tari na musamman ko ƙarin magani. Hanyar piling purlin ya dace da ayyukan tare da buƙatu na musamman akan daidaiton gini, ƙananan ayyuka ko kuma inda adadin tarin ba su da yawa, haka kuma a ƙarƙashin yanayin yanayin ƙasa tare da ingancin ƙasa mai rikitarwa ko kasancewar toshewa, inda ake buƙatar sarrafa ingantaccen gini da kwanciyar hankali na tsari.