Panel mai haɗawa Precastiswani muhimmin ɓangare na ginin da aka riga aka tsara, da kuma matsalar raguwa a cikin bangarori masu haɗaka a cikin tsari ba za a iya watsi da su ba.Dangane da aikace-aikacen injiniya da tsarin samar da kayan da aka haɗa, ana nazarin abubuwan da ke haifar da raguwa a cikin shingen da aka lakafta kuma an gabatar da matakan kulawa masu dacewa.
1 .Menene lamintaccen farantin?
Laminated Slab wani nau'i ne na memba mai laushi, wanda ya ƙunshi memba na kankare (ko memba na tsarin simintin) da kuma simintin simintin gyare-gyare, kuma an kafa shi a matakai biyu.
A lokacin ginin, an fara shigar da simintin simintin da aka riga aka yi a wurin, kuma ana amfani da shi azaman tsarin aiki, wanda aka ƙara shi ta hanyar tallafi, sa'an nan kuma ɓangarorin da ke sama (wato, ɓangaren sama na simintin simintin) shine. zuba, don ɗaukarkashi na samakaya .Akwai abayyane abũbuwan amfãnidomin wannan tsari, Haɗe da fa'idodin tsarin simintin gyare-gyare da kuma tsarin da aka riga aka tsara, ba wai kawai tabbatar da daidaiton tsarin ba, har ma da biyan buƙatun ci gaban masana'antu na ɓangaren, da adana babban adadin tallafi da tarwatsawa, da rage ginin. farashi, yana da yuwuwar haɓaka nau'in bene.
2. Hanyar ƙirƙirar tsagewa
Tsarin fasaha na precast Layer na farantin superposed shine kamar haka: Mold dandamali tsaftacewa → mold hadawa → shafi retarder da sakewa wakili → karfe bar dauri → hydropower pre-embeding → kankare zuba → vibration → pre-curing → mikewa → curing → demoulding dagawa → sufuri zuwa ƙãre samfurin stacking yankin (ana ƙara wankin ruwa bisa ga zane bukatun) .
Dangane da gwaninta, manyan hanyoyin da zasu iya haifar da fashe sune girgiza, ja gashi, kiyayewa, lalatawa, ɗagawa, tarawa da sauransu.
3.The laminated farantin an zuba, girgiza da kuma mikewa
Binciken Dalili:
1. Bayan concreting, a halin yanzu, da PC atomatik taro line, da prefabricate bangaren yafi amfani da girgiza tebur don gudanar da a kan vibration.Jijjiga tebur na girgiza, mitar girgiza, babban inganci, kawai 15-30 seconds don kammala girgiza.Saboda rashin kwarewa na masu aiki da kayan aiki, sau da yawa ana samun yawan girgizawa, yanayin rarrabuwa, yana haifar da samar da fasa.
2. The precast kankare yana da karami slump da mafi girma danko.Lokacin da aka yi amfani da tsayayyen mold tebur a cikin samarwa, ana amfani da igiyar girgiza don girgiza truss da yawa, kuma ma'anar girgiza ba ta da yawa, yana da sauƙi don haifar da zubar da jini mai tsanani ko ma rabuwa na gida na kanka a fallen tendons na Truss. , yana haifar da tsagewa tare da jagorancin jijiyoyi na truss.
Matakan sarrafawa:
Ana amfani da tebur na jijjiga don bugun kankare don bayyana buƙatun aiki na masu sarrafa kayan aiki.Lokacin da ake amfani da jijjiga na hannu, ya kamata a sanya vibrator a kwance, kumaa lokaci guda,ya kamata a kula da lokacin girgizatokauce wa over-vibration na gida da jijjiga truss.A cikin tsarin gine-gine.tharamun ne sosai akan sandunan trusshar sai da kankare ya kai ƙarfin ɗagawa.
4.Maintenance na laminated faranti
Dalilan Bincike:
A halin yanzu, ana amfani da maganin tururi musamman don kula da abubuwan da ke cikin masana'anta.Maganin tururi ya kasu kashi huɗu: tsayawa a tsaye, hawan zafin jiki, yawan zafin jiki da yawan zafin jiki.Concrete hardening sannu a hankali da haɓaka ƙarfi shine ainihin aiwatar da amsawar hydration, amma halayen hydration yana da buƙatu mafi girma ga zafin jiki.kumazafi.Sabili da haka, lokacin da zafin jiki da zafi ba zai iya saduwa da buƙatun ba, yana da sauƙi don haifar da fasa saboda raguwar kankare.
Matakan Sarrafa:
A cikin lokacin da aka rigaya, ya kamata a kula da zafin jiki na kankare ba kasa da 10 ° C ba. Yawan zafin jiki na kankare ba zai iya tashi ba har sai 4 ~ 6 hours bayan kammala zuba; Adadin dumama kada ya wuce 10 °c/h;Matsakaicin zafin jiki na ciki na kankare kada ya wuce 60 ° C kuma matsakaicin kada ya wuce 65 ° C yayin lokacin zafin jiki akai-akai., tya curing lokaci a akai zazzabi ya kamata a ƙaddara ta gwaji bisa ga bukatun da demoulding ƙarfi, kankare mix rabo da muhalli yanayi.; A lokacin sanyaya, yawan sanyaya kada ya wuce 10 ° C / h, kuma bambancin zafin jiki kada ya wuce 15 ° C.
5.Demoulding na laminated farantin
Dalilan Bincike:
Bayan kula da sashin, idan ƙarfin ɓangaren bai cika buƙatun ƙarfin da ake buƙata na dimuwa ba, ƙaddamarwar tilastawa zai iya haifar da tsagewa a gefen ɓangaren saboda ƙarfin dalili, kuma tsagewar za ta ci gaba da fadada bayan ajiyar baya. kuma kariyar da aka gama ba a cikin wuri ba, a ƙarshe, ƙwanƙwasa suna samuwa a wurare daban-daban a kan farantin karfe.
Matakan Sarrafa:
Ya kamata a yi amfani da kayan aikin bazara don lura da ƙarfin laminates kafin a rushe.Ba za a iya yin lalata ba har sai laminates sun kai 75% na ƙarfin ƙira ko ƙarfin da ake buƙata ta zanen zane.Mold kau ya zama daidai da bukatun na mold taron tsari da mold kau bukatun, tsananin haramta m mold kau.
6.Dagawa da transshipment na laminated faranti
Dalilan Bincike:
Dangane da siffar da girman farantin laminated, ta hanyar nazarin danniya, lankwasawa lokacin ƙididdigewa da kuma la'akari da ka'idodin ƙasa, Atlas, ƙayyadaddun ƙayyadaddun wuri na wurin ɗagawa na farantin laminated.Tun da laminated farantin lebur ne kawai 60mm a cikin kauri, domin hana m loading a lokacin dagawa da kuma canja wurin da laminated farantin.bukatafiram ɗin ma'auni na musamman don taimakawa ɗagawa.
Amma a cikin ainihin tsari na aiki, sau da yawa yana bayyana bangaren haɓakawa kai tsaye baya amfani da ma'auni;da zane bukatar shida, takwas hoisting amma samar har yanzu maki hudu hoisting;ba bisa ga sharuddan zane na hoisting batu matsayi hoisting da sauransu.Wannan aiki mara inganci zai sa memba ya samu tsagewa saboda jujjuyawar da ya wuce kima a hanyar hawan sama.Ayyukan da ba bisa ka'ida ba za su zurfafa ƙwanƙwasa ƙwanƙwasa ƙwanƙwasa, kuma daga ƙarshe tsagewar za su wuce zuwa ga tudun gabaɗaya, har ma mafi tsanani za su taso ta hanyar tsagewa, wanda zai haifar da guntuwar gaba ɗaya.
Matakan sarrafawa:
Ƙarfafa kula da masana'anta, daidaita ɗagawa, hanyoyin canja wurin aiki,wAna buƙatar masu ba da izini sosai don bin lamba da wurin wuraren ɗagawa da aka ƙayyade a cikin zane-zane, Usingƙwararriyar hawan ɗagawa a hankali sama da ƙasa don guje wa karo da wasu abubuwa, da kuma tabbatar da cewa ƙugiya matsayi na kayan ɗagawa, kayan ɗagawa da tsakiyar nauyi na abubuwan da ke cikin madaidaiciyar hanya., tA kusurwa a tsaye tsakanin majajjawa da memba bai kamata ya zama ƙasa da digiri 45 ba, ƙasa da digiri 60;rba da lokacin ɗagawa mara amfani;tabbatar da cewa sashin ya kai kashi 75% na ƙarfin ƙira ko ƙarfin da ake buƙata ta zanen zane, sannan ɗaga sashin.
7. Stacking da sufuri na laminated faranti
Dalilan Bincike:
1. A cikin ainihin tsarin ajiyar lambar, akwai sau da yawa yawancin hanyoyin da ba daidai ba na stacking, misali :Stacking ya yi tsayi da yawa, kuma a wasu masana'antu don adana sarari, tari na iya kai yadudduka 8-10.; Stacking Plate Code ba na yau da kullun ba ne, Babban Ƙarƙashin Matsalolin Faranti;kushin katako sanya a bazuwar, ba misali, babba da ƙananan Layer kushin itace ba a cikin wannan a tsaye line, kuma ba bisa ga bukatun, da super-dogon da super-fadi tari har yanzu kawai sa hudu pad itace..Waɗannan halayen suna haifar da ƙungiyoyi marasa daidaituwa waɗanda ke aiki akan goyan bayan katako mai haɗaɗɗiya, wanda hakan ke haifar da tsagewa.
2. Dalilan da ke haifar da tsaga a cikin faranti masu lanƙwasa da sufuri ke haifarwa su ne ainihin abubuwan da ke haifar da tsagewar tari.Duk da haka, babu makawa hanyar ba ta dace ba kuma motar za ta yi karo a lokacin sufuri.Wannan zai haifar da lodi mai ƙarfi.Idan hanyar gyaran gyare-gyaren gyare-gyare ba ta da ƙarfi, yana da wuya a hana faranti, kuma ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aiki yana haifar da raguwa a cikin faranti.
Matakan sarrafawa:
1. Girma da ƙayyadaddun ƙayyadaddun kowane tari ya kamata a haɗa su gwargwadon iko.An haramta shi sosai don danna manyan faranti akan ƙananan. Tabbatar cewa kowane Layer ya cika a cikin layi ɗaya na tsaye, don guje wa ƙwanƙwasa sama da ƙasa tsagewar tsagewar. ; Za a sanya fulcrum a gefen Truss, a duka ƙarshen farantin (har zuwa 200mm) kuma a tsakiyar tanda tare da nisa ba fiye da 1.6 m ba.; Bai kamata a tara sama da yadudduka 6 ba; Za a kai kayan aikin zuwa wurin don shigarwa da wuri-wuri bayan kammala samarwa, kuma lokacin tattarawa ba zai wuce watanni 2 ba.
2. Za a danne fulcrum cikin aminci don hana memba daga motsi ko tsalle cikin wucewa.A lokaci guda, a cikin kasan gefen ko a lamba tare da igiya na siminti, aikace-aikacen layi don karewa.
Ƙarshe:Tare da ci gaba da haɓaka ginin da aka riga aka keɓe a kasar Sin, ingancin faranti da aka haɗa da su ya zama abin da aka fi mai da hankali, kuma an yi imanin cewa, kawai daga hanyoyin haɗin gwiwar samar da faranti daban-daban, a lokaci guda, yana ƙarfafa ƙwararrun ƙwararru. basira horar da ma'aikata, iya yadda ya kamata hana abin da ya faru na crack sabon abu na laminated farantin.
Lokacin aikawa: Maris 31-2022