Binciken abubuwan fashewa na plastering gypsum Layer
1. Dalilin bincike na plastering gypsum albarkatun kasa
a) Plaster gini mara cancanta
Gina gypsum yana ƙunshe da babban abun ciki na gypsum dihydrate, wanda ke haifar da haɗuwa da sauri na gypsum plaster. Don yin plastering gypsum yana da lokacin buɗewa mai kyau, ya kamata a ƙara ƙarin retarder don sa yanayin ya yi muni; gypsum mai narkewa mai narkewa a cikin ginin gypsum AIII Babban abun ciki, AIII fadadawa ya fi ƙarfi fiye da β-hemihydrate gypsum a cikin mataki na gaba, kuma canjin ƙarar gypsum plastering bai dace ba yayin aikin warkewa, yana haifar da faɗuwar fashe; abun ciki na gypsum β-hemihydrate mai warkewa a cikin ginin gypsum yana da ƙasa, kuma ko da jimlar adadin calcium sulfate yana da ƙasa; Gina gypsum yana samuwa daga gypsum sinadarai, ƙarancin ɗanɗano ne, kuma akwai foda da yawa sama da raga 400; girman barbashi na ginin gypsum guda ɗaya ne kuma babu gradation.
b) Additives marasa inganci
Ba a cikin kewayon pH mafi aiki na retarder; aikin gel na retarder yana da ƙasa, yawan amfani yana da girma, ƙarfin gypsum plastering yana raguwa sosai, tazara tsakanin lokacin saitin farko da lokacin saiti na ƙarshe yana da tsawo; yawan ajiyar ruwa na ether cellulose yana da ƙananan , asarar ruwa yana da sauri; ether cellulose yana narkar da sannu a hankali, bai dace da ginin inji ba.
Magani:
a) Zaɓi gypsum ƙwararru kuma tsayayye, lokacin saitin farko ya fi 3min, kuma ƙarfin sassauƙa ya fi 3MPa.
b) Zabacellulose ethertare da ƙananan ƙananan ƙwayoyin cuta da kyakkyawan ƙarfin riƙe ruwa.
c) Zaɓi retarder wanda ke da ɗan tasiri akan saitin gypsum ɗin plastering.
2. Binciken dalili na ma'aikatan gini
a) Dan kwangilar aikin yana ɗaukar ma'aikata ba tare da ƙwarewar gini ba kuma baya aiwatar da horon shigar da tsarin. Ma'aikatan gine-ginen ba su ƙware da halaye na asali da kayan aikin ginin gypsum ba, kuma ba za su iya aiki bisa ga ƙa'idodin gini ba.
b) Gudanar da fasaha da ingantaccen kulawa na sashin kwangilar injiniya yana da rauni, babu ma'aikatan gudanarwa a wurin ginin, kuma ba za a iya gyara ayyukan da ba a yarda da ma'aikata ba a cikin lokaci;
c) Yawancin ayyukan gyare-gyaren da aka yi da gypsum plastering suna cikin nau'i na aikin tsaftacewa, suna mai da hankali kan yawa da watsi da inganci.
Magani:
a) Plastering aikin ƴan kwangila suna ƙarfafa horo a kan aiki da kuma gudanar da bayanan fasaha kafin ginawa.
b) Ƙarfafa sarrafa wurin gini.
3. Dalilin bincike na plaster
a) Ƙarfin ƙarshe na plastering gypsum yana da ƙananan kuma ba zai iya tsayayya da damuwa na raguwa da asarar ruwa ke haifar da shi ba; Ƙarfin ƙarancin gypsum plastering shine saboda rashin cancantar albarkatun ƙasa ko dabara mara kyau.
b) Rashin juriya na gypsum ɗin plastering bai cancanta ba, kuma gypsum ɗin filastar ya taru a ƙasa, kuma kauri yana da girma, yana haifar da tsagewa.
c) Lokacin hadawa na plastering gypsum turmi gajere ne, yana haifar da haɗuwa mara daidaituwa na turmi, ƙarancin ƙarfi, raguwa da haɓaka mara daidaituwa na plastering gypsum Layer.
d) Turmi gypsum plastering da aka fara saita za a iya sake amfani da shi bayan ƙara ruwa.
Magani:
a) Yi amfani da ƙwararrun gypsum plastering, wanda ya dace da bukatun GB/T28627-2012.
b) Yi amfani da kayan haɗin da suka dace don tabbatar da cewa gypsum plastering da ruwa suna haɗuwa daidai.
c) Haramun ne a zuba ruwa a turmi da aka fara sanyawa, sannan a sake amfani da shi
4. Dalilin bincike na kayan tushe
a) A halin yanzu, ana amfani da sabbin kayan bango a cikin ginin gine-ginen da aka riga aka kera, kuma yawan bushewar su na bushewa yana da girma. Lokacin da shekarun tubalan ba su isa ba, ko kuma danshi na tubalan ya yi yawa, da sauransu, bayan wani lokaci na bushewa, tsagewar za su bayyana a bango saboda asarar ruwa da raguwa, kuma plastering Layer zai tsage.
b) Junction tsakanin firam tsarin kankare memba da bango abu ne inda biyu daban-daban kayan hadu, da kuma mikakke fadada coefficients ne daban-daban. Lokacin da zafin jiki ya canza, ba a daidaita nakasar kayan biyu ba, kuma za a bayyana fashe daban-daban. ginshiƙan bango gama gari Tsage-tsalle a tsaye tsakanin katako da fashe a kwance a ƙasan katako.
c) Yi amfani da kayan aikin aluminum don zuba kankare a wurin. Fuskar simintin yana da santsi kuma ba shi da kyau a haɗa shi da filastar filasta. Ana samun sauƙin cire filastar filasta daga tushe mai tushe, wanda ke haifar da fasa.
d) Kayan tushe da gypsum plastering suna da babban bambanci a cikin ƙarfin ƙarfin, kuma a ƙarƙashin aikin haɗin gwiwa na bushewa shrinkage da canjin zafin jiki, haɓakawa da ƙaddamarwa ba su dace ba, musamman ma lokacin da kayan bangon haske na tushe yana da ƙananan ƙima da ƙananan ƙarfi, gypsum Layer plastering sau da yawa yana samar da kankara. Fatsawa, har ma da babban yanki na rami. e) Tushen tushe yana da babban adadin sha ruwa da saurin ɗaukar ruwa mai sauri.
Magani:
a) Tushen simintin da aka yi wa sabon gyare-gyare ya kamata ya bushe na kwanaki 10 a lokacin rani kuma fiye da kwanaki 20 a cikin hunturu a ƙarƙashin yanayin samun iska mai kyau. Filaye yana da santsi kuma tushe yana sha ruwa da sauri. Ya kamata a yi amfani da wakili na sadarwa;
b) Ana amfani da kayan ƙarfafawa kamar grid zane a mahaɗin bangon kayan daban-daban
c) Kayan bango mai nauyi ya kamata a kiyaye gabaɗaya.
5. Dalilin bincike na tsarin gine-gine
a) Tushen tushe ya bushe sosai ba tare da ingantaccen jiko ko aikace-aikacen wakilin dubawa ba. Gilashin gypsum na plastering yana haɗuwa da tushe mai tushe, danshi a cikin gypsum plastering yana da sauri da sauri, ruwa ya ɓace, kuma ƙarar gypsum Layer plastering yana raguwa, yana haifar da raguwa, yana rinjayar haɓakar ƙarfi da rage ƙarfin haɗin gwiwa.
b) Ingancin ginin ginin ba shi da kyau, kuma gypsum plastering Layer na gida yana da kauri sosai. Idan an yi amfani da filasta a lokaci ɗaya, turmi zai faɗi kuma ya zama fashe a kwance.
c) Ba a yi amfani da ɗigon ruwa na ruwa da kyau ba. Ramin wutar lantarki ba a cika su da gypsum caulking ko simintin dutse mai kyau tare da wakili na faɗaɗawa, yana haifar da raguwar fashewa, wanda ke haifar da fashewar Layer gypsum plastering.
d) Babu wani magani na musamman ga haƙarƙari na naushi, kuma plastering gypsum Layer da aka gina a cikin babban yanki yana tsattsage a kan hakarkarin bugawa.
Magani:
a) Yi amfani da wakili mai inganci mai inganci don bi da tushe mai tushe tare da ƙarancin ƙarfi da ɗaukar ruwa mai sauri.
b) Kaurin ginshiƙin gypsum plaster yana da girma, ya wuce 50mm, kuma dole ne a goge shi a matakai.
c) Gudanar da tsarin gine-gine da kuma ƙarfafa ingantaccen sarrafa wurin ginin.
6. Dalilin nazarin yanayin gini
a) Yanayin bushewa da zafi.
b) Gudun iska mai ƙarfi
c) A lokacin bazara da lokacin rani, zafin jiki yana da yawa kuma zafi yana da ƙasa.
Magani:
a) Ba a yarda da gine-gine idan akwai iska mai ƙarfi na mataki na biyar ko sama, kuma ba a yarda da ginin lokacin da yanayin zafi ya wuce 40 ℃.
b) A lokacin bazara da bazara, daidaita tsarin samarwa na gypsum plastering.
Lokacin aikawa: Afrilu-25-2024