Fiber Karfe don Falowar Masana'antu: Zurfin Slab, Haɗin gwiwa da Lambobi na Gaskiya

Labari

Yuni 15, 2013

Ƙara fiber na karfe zuwa bene na masana'antu ba ya sa ya zama maras kyau. Zurfin slab, tazarar haɗin gwiwa da madaidaicin madaidaicin madaidaicin ƙididdiga guda uku ne, kuma ɗaya kawai daga cikinsu shine game da fiber.

Bene Ba Ya Fashe Domin Yana Da Fiber

Benayen masana'antu suna fashe saboda dalilai biyar: raguwar filastik, bushewa da bushewa, damuwa mai zafi, daidaitawar ƙasa da kima. Fiber karfe yana inganta sosai biyun farko, yana taimakawa na uku kawai a wani bangare, kuma bai yi kusan komai ba na biyun na ƙarshe. Lokacin da bene ya nuna tsattsauran ra'ayi watanni uku bayan sanyawa, sanadin yawanci shine rashin isassun ƙanƙara ko tazarar haɗin gwiwa fiye da rashin isassun sashi. Yin maganin fiber a matsayin wakili na anti-crack na duniya shine wurin farawa na tunani na yau da kullum don kasa kasa. Ingantacciyar magana ita ce fiber yana juya faffadan faffaɗa ɗaya zuwa faɗuwar layin gashi, yana barin shinge ya saki damuwa a ko'ina maimakon ƙoƙarin kawar da fatattaka ta hanyar sashi kaɗai.

Yanayi don Tafiya daga 200 zuwa 150 mm

Ƙasar da ba ta da ƙarfi tana samun ƙarfin sassauƙansa daga kauri; tare da fiber, iya aiki ya zo daga kauri hade tare da post-crack tensile ƙarfi. Thinning abu ne mai yuwuwa amma yana buƙatar sharuɗɗa guda uku a lokaci ɗaya: maɗaukaki mai ɗaiɗai mai ɗaiɗai na ɗabi'a mai ƙarfi, lodi tsakanin ƙimar ƙira, da amintaccen canja wurin kaya a gidajen haɗin gwiwa. Aiki yana rage 200 mm zuwa 150 ko 170 mm yayin haɓaka sashi zuwa 35-45 kg/m3. Duk wani abu da ya wuce raguwa 25% yana buƙatar cikakken bincike na slab, ba ka'idar babban yatsa ba. Ana samun sauƙin rasa ma'ana ɗaya: mafi ƙaranci shingen, mafi mahimmancin shi ne ƙaddamar da lebur. Bambance-bambancen mm 5 a ƙarƙashin madaidaicin mita 3 ba shi da mahimmanci a 200 mm kuma yana haifar da ɓarna na gida a 150 mm.

Tazarar Haɗin Gwiwa: Me Yasa 6m Panels Sun Fara Farawa

Tazarar haɗin gwiwa tana sarrafa damuwa. Ana sanya siminti na fili a cikin bangarori na 6 m; tare da fiber na karfe wannan na iya girma zuwa 8 ko ma 10 m saboda fiber yana ɗaga ƙarancin ƙarfi. Girman bangarori yana da ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai: zurfin da aka yanka dole ne ya kai kashi ɗaya bisa uku na kauri mai kauri, kuma yanke dole ne ya faru bayan simintin ya sami isasshen ƙarfi amma kafin tsagewar ya bayyana, yawanci sa'o'i 12 zuwa 24 bayan babban zub. Yanke makara kuma tulun ya riga ya fashe a inda yake so, don haka yankan zato bai yi komai ba. Wani abu da aka yi watsi da shi shine tazarar dowel: manyan bangarori yayin kiyaye dowels a 300 mm kuma haɗin gwiwa zai yi laifi.

20-40 kg/m3 Shine Matsayin Aiki don benaye

Filaye da simintin siminti suna amfani da sashi daban. Tsarin gine-gine yana tsayayya da lankwasawa da tasiri a 30 zuwa 80 kg / m3; benaye suna tsayayya da raguwa da ma'auni, inda 20 zuwa 40 kg / m3 ya riga ya inganta halayen haɓaka da kuma nauyin nauyin nauyi ya kai kimanin 45. Sama da 50 kg / m3 kammala ya zama mai wuyar gaske kuma filaye na filaye yana ƙaruwa. Wannan kewayon yayi daidai da kusan 0.25% zuwa 0.5% ta ƙara, wanda shine adadin da aka rubuta ta hanyoyi biyu. Koyaushe gyara tushe a cikin zance, in ba haka ba yana kama da mai rahusa ta juzu'in ƙara kuma mafi soyuwa ta kilogram don abu ɗaya.

Flatness da Bayyanar Fiber Surface

Karɓar bene yana rufe shimfiɗa, yawanci FF / FL ko madaidaiciyar madaidaiciyar mita 3, da ingancin saman. Babban sashi, babban slump da ƙarshen ƙarewa duk tura fiber zuwa saman da samar da whiskers. Gyaran ba ƙasa da fiber ba ne amma sarrafawa guda uku: ci gaba da raguwa a 140 zuwa 180 mm, fara wutar lantarki da ke iyo nan da nan bayan girgiza, kuma bushe-girgiza mai tauraro inda ake buƙata. Fiber da aka riga aka fallasa na iya komawa baya, amma fiye da milimita 3 na niƙa yana cire ɓangaren lalacewa. Don ɗakunan ajiya na atomatik tare da matsananciyar buƙatun shimfiɗa, riƙe sashi a ko ƙasa da 30 kg/m3 kuma sun fi son fiber mai kyau 0.55 mm.

Forklift da Racking Loads: Point Load Gwamna

Mafi ƙarancin ƙima a kan bene na masana'antu shine forklift. Motar t 3 da cikakken kaya tana watsa ta ƙafafu huɗu, don haka ƙafa ɗaya na iya ɗaukar 4 zuwa t 6 fiye da santimita goma sha biyu. Lankwasawa na gida daga wannan nauyin nauyin sau da yawa yakan wuce tasirin nauyin kayan aiki. Racking ya fi wuce gona da iri: madaidaiciya hudu a kowane bay, kowanne an tsara shi sama da t 10. Don haka dole ne a bincika ƙarfafawa da ƙididdiga akan mafi munin nauyin nauyi, ba matsakaicin nauyin sabis ba. Abin da ya sa benen sito mai sarrafa kansa yana tsada sama da 30% sama da babban kantin sayar da fili na yanki ɗaya.

Fiber ɗin haɗin gwiwar Karfe Ba zai Iya Maye gurbinsa ba

Mafi yawan rashin fahimta a kan bene na masana'antu shine kula da fiber na karfe a matsayin dalili na tsalle-tsalle. Fiber yana haɓaka ƙarfin bayan fashewa da tauri, yana sa tsagewa ya fi kyau, mai yawa kuma yana saurin buɗewa, amma baya hana kankare daga raguwa, don haka duk haɗin gwiwa da ake buƙata har yanzu dole ne a yanke shi. Al'adar al'ada shine yanke zato akan grid ɗin ginshiƙi a kusan tazarar mita shida, a zurfin kashi ɗaya cikin huɗu na kauri mai kauri; shallower baya haifar da fashewa kuma zurfi yana raunana sashin. Abubuwan haɗin keɓancewa sun kasance a kusa da ginshiƙai, kusurwoyin bango da sansanonin kayan aiki, inda keɓancewar hankali kuma babu adadin fiber da zai iya ramawa. An manta da abu ɗaya akai-akai: dole ne a rabu da shinge daga bangon waje da ginshiƙan ƙasa, in ba haka ba bango ya hana shinge, tsarin da aka yanke ya canza gaba ɗaya kuma fashewa ya bayyana a tsakiyar hanyar zirga-zirga. Mai taurin bushe-bushe yana buƙatar nasa koyarwa. Ana watsa shirye-shiryen gaba kafin saita farko a 3 zuwa 5 kg / m2; da wuri kuma yana nutsewa, ya yi latti kuma ba zai ɗaure ba. Load ɗin Forklift daban girma ne. Fiber yana inganta ƙarfin naushi, amma kauri mai kauri a ƙarƙashin madaidaicin nauyin ƙafafu ba za a iya siyan shi tare da sashi ba; mm 150 ya riga ya kusanci iyaka a ƙarƙashin babbar motar tan 5, kuma duk abin da ya fi guntu yana buƙatar kauri na gida ko farantin karfe. Filayen suna yin nasara ko kasawa akan shimfidar haɗin gwiwa, ƙasƙanci na ƙasa da kwana bakwai na farko na warkewa fiye da adadin da aka buga akan jakar.

Abubuwa Biyar Dole ne Binciken Falo Ya Fada

Binciken fiber karfe don bene yana samun kwatankwacin kwatance lokacin da ya faɗi abubuwa biyar: kauri mai kauri da girman panel, kayan ƙira (uniform tare da matsakaicin nauyin nauyi), nau'in juzu'i da ƙimar amsawar ƙasa, sashi ko juzu'in ƙara, da ma'aunin da za a cika. Ayyukan fitarwa ya kamata suna ASTM A820 ko EN 14889-1. Abun da ya fi ɓacewa shine modules na amsawar subgrade, kuma shine ainihin abin da ke yanke shawarar ko slab ɗin na iya zama sirara. Don bincika ainihin shawarwarin sashi na aikin da marufi, ɓangaren shimfidar bene na masana'anta na shafin samfurin fiber fiber na ƙarfe ya lissafa adadin shawarar da aka ba da shawarar da fakitin masu girma dabam waɗanda ke jujjuya kai tsaye zuwa adadin kwantena.