Tabbatar da tafki

Tabbatar da ruwa a cikin gini wani nau'in kula da danshi ne da aka yi amfani da shi ga ganuwar gini da bene don hana danshi wucewa cikin sarari na ciki. Matsalolin dampness suna daga cikin matsalolin da aka fi fuskanta a cikin gidaje.
Kamfanin American Society for Testing and Materials (ASTM) ya bayyana tabbatar da ruwa a matsayin kayan da ke tsayayya da wucewar ruwa ba tare da matsin lamba ba.[1] ASTM ta bayyana rigakafin ruwa a matsayin magani wanda ke tsayayya da wucewar ruwa a ƙarƙashin matsin lamba. Gabaɗaya, tabbatar da danshi yana kiyaye danshi na waje daga shiga gini; shingen tururi, wani rukuni daban, yana kiyaye danshu na ciki daga shiga cikin bangon. Tsayayyar danshi ba lallai ba ne cikakke; yawanci ana bayyana shi dangane da iyakokin da aka yarda da su bisa ga haƙurin injiniya da takamaiman Hanyar gwaji.
Hanyoyi
[gyara sashe | gyara masomin]Ana aiwatar da tabbatar da dam ta hanyoyi da yawa ciki har da:
- Hanyar tabbatar da danshi (DPC) ita ce shingen ta hanyar tsarin da aka tsara don hana danshi tashi ta hanyar aikin capillary kamar ta hanyar wani abu da aka sani da hauhawar danshi. Rashin danshi shine tasirin ruwa da ke tashi daga ƙasa zuwa dukiya. Hanyar hujja mai laushi na iya zama a kwance ko tsaye. Ana yawan shimfiɗa Layer na DPC a ƙasa da dukkan ganuwar masonry, ba tare da la'akari da ko bango ne mai ɗaukar kaya ko bango na rabuwa ba.
- membrane mai tabbatar da danshi (DPM) abu ne na membrane da aka yi amfani da shi don hana watsa danshi. Misali na yau da kullun shine polyethylene sheeting da aka shimfiɗa a ƙarƙashin wani kankare don hana kankare samun danshi ta hanyar aikin capillary. Ana iya amfani da DPM don DPC.
- Tabbatar da ruwa a cikin kankare ya haɗa da ƙara kayan aiki zuwa haɗin kankare don yin kankare kanta impermeable.[2]
- Rufewa mai hanawa tare da kayan tabbatar da ruwa irin su epoxy resin don juriya ga danshi mara matsin lamba kamar ruwan sama ko rufin siminti da aka yayyafa a kan irin su shotcrete wanda zai iya tsayayya da ruwa a ƙarƙashin matsin lamba.[2]
- Ginin bango na rami, kamar ginin ruwan sama, shine inda aka raba ganuwar ciki daga ganuwar waje ta hanyar rami.[2]
- Matsin matsin lamba ya fashe da haɗin gwiwa a cikin kayan masonry.[2]
Kayan aiki
[gyara sashe | gyara masomin]Kayan da aka yi amfani da su sosai don tabbatar da danshi sun hada da:
- Kayan aiki masu sassauƙa kamar butyl roba, bitumen mai zafi (asphalt), takalmin filastik, bituminoso, takalmin gubar, jan ƙarfe, da dai sauransu.
- Abubuwa masu tsayi kamar mastic asphalt
- Kayan aiki masu tsayi, kamar tubali, dutse, dutse na siminti, ko siminti na siminti da aka fentin da bitumen, da dai sauransu.
- Dutse
- Mortar tare da mahadi masu hana ruwa
- Yankin yashi mai laushi a ƙarƙashin bene
- Gilashin filastik na ci gaba a ƙarƙashin bene
Gine-gine na masonry
[gyara sashe | gyara masomin]DPC abu ne mai ɗorewa, mai hana ruwa kamar slate, takarda, ƙarfe, filastik ko tubalin injiniya na musamman wanda aka shimfiɗa a cikin turmi tsakanin nau'o'i biyu na tubali ko tubalan. Sau da yawa ana iya ganinsa azaman layin da ke cikin turmi kusa da matakin ƙasa. Don ƙirƙirar shingen ci gaba, ana iya rufe ɓangarorin DPC ko DPM tare. Bugu da kari, ana iya rufe DPC zuwa DPM a gefen waje na bene na ƙasa, gaba ɗaya yana rufe ciki na ginin daga ƙasa mai laushi da ke kewaye da shi.
bango na masonry, yawanci akwai DPC a bangon waje da .[3] A cikin bangon waje yawanci 150 millimeters (5.9 in) zuwa 200 millimetres (7.9 in) in) sama da matakin ƙasa (tsawon 2-3 tubali). Wannan yana ba da damar ruwan sama ya samar da tafkuna kuma ya zubo daga ƙasa, ba tare da cika bango sama da matakin DPC ba. Ganuwar da ke ƙasa da DPC na iya cikawa da yanayin ruwan sama. DPC a cikin bango na ciki yawanci yana ƙasa da matakin bene, (a ƙarƙashin tsarin bene na katako), ko, tare da bene mai ƙarfi, yawanci ana samun shi nan da nan sama da bene don a iya haɗa shi da DPM a ƙarƙashin bene. Wannan yana ba da damar shigar da allon da ke kewaye sama da matakin bene ba tare da tsoron fure shi ba. A madadin haka, maimakon dacewa da DPCs daban-daban na ciki da na waje, ya zama ruwan dare a cikin gine-ginen gidaje na kasuwanci don amfani da tsawon yanki ɗaya na filastik mai tsayi (tare da sashi mai kusurwa) wanda ya dace da kyau a fadin rami da ramuka a cikin bangon biyu (tray mai rami). Wannan hanyar tana buƙatar magudanar kuka don ba da damar ruwa ya fita daga ramin, in ba haka ba zafin zai iya tashi daga sama da DPC.
Ganuwar da bene
[gyara sashe | gyara masomin]Concrete yawanci yana ba da damar danshi ya wuce ta don haka ana buƙatar shingen tururi na tsaye. Barriers na iya zama murfin ko membrane da aka yi amfani da shi a waje na kankare. Rufin na iya zama asphalt, asphalt emulsion, asphalt mai laushi da ake kira cutback asphalt.[1] Membranes sune asphalt na roba ko roba na EPDM. Samfurori masu laushi suna aiki mafi kyau saboda kankare wani lokacin yana haifar da fashewa kuma shingen ba ya fashewa tare da kankare.
Magani mai laushi
[gyara sashe | gyara masomin]Har zuwa karni na 20, lime-ginen masonry a Turai da Arewacin Amurka an gina su ne daga kayan da ke da ƙarfi sosai kamar dutse da dutse mai laushi da kuma fassara da aka rufe da fentin ruwa mai laushi wanda duk ya ba da damar duk wani danshi ya bazu cikin iska ba tare da lalacewa ba. Aikace-aikacen kayan da ba za a iya shiga ba wanda ke hana yaduwar yanayi na danshi, kamar su tile, linoleum, siminti da kayan gypsum da kuma fentin roba wasu suna tunanin su ne mafi mahimmancin dalilin matsalolin danshi a cikin tsofaffin gine-gine.[4]
Akwai mafita da yawa don magance danshi a cikin gine-ginen da ke akwai, wanda za'a iya ƙayyade shi ta hanyar nau'ikan danshi da ke shafar ginin, misali, hauhawar danshi, danshi na hygroscopic, kwantar da hankali, shiga danshi, da dai sauransu.
Lafiya da aminci
[gyara sashe | gyara masomin]Wasu kayan DPC na iya ƙunsar fiber na asbestos. Wannan ya fi samuwa a cikin tsofaffi, launin toka da kuma allon tar mai sassauƙa.
Manazarta
[gyara sashe | gyara masomin]- ↑ Cite error: Invalid
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<ref>tag; no text was provided for refs namedPunmia - ↑ "The Role of Preformed Cavity Trays in Construction by CODA Products Ltd - Happy UK Magazine" (in Turanci). 2023-11-11. Archived from the original on 2024-02-25. Retrieved 2023-11-18.
- ↑ Society of the Protection of Ancient Buildings. "Technical Q&A 20: Rising Damp". Archived from the original on 2014-02-28. Retrieved 16 July 2013.