Yadda ake karanta Takaddun Takaddun Takardun Fiber Karfe: Me yasa Binciken Gabaɗaya Ya Fasa

Labari

Yuni 15, 2011

Jumla mafi tsada a cikin binciken fiber karfe shine "muna buƙatar tan ɗaya na fiber karfe". Har sai rabon juzu'i, ƙarfin ɗaure da sashi ya daidaita, ba za a iya kwatanta magana ba.

Jumla Mafi Tsada A cikin Bincike: Ton Daya na Fiber Karfe

Tambayoyi suna zuwa kowace rana suna karanta: don Allah a faɗi fiber karfe, muna buƙatar ton ɗaya. Ya dubi ƙayyadaddun kuma ba shi yiwuwa a farashi, saboda fiber na karfe ba samfurin ba ne amma dangin samfurori. Microwayar waya mai kauri 0.2 mm da kuma 0.75 mm mai sanyi mai ƙugiya na iya bambanta ninki uku cikin farashi kuma da kyar ta zo a aikace. Sanya duka biyun a bayan kalma ɗaya kuma masana'anta na iya tsammani kawai, da kuma farashin kima a kan wurin maimakon a faɗin. Wani bincike da ke aiki ba ya ce mai samar da fiber karfe China; ya ce bene na masana'antu, 150 mm slab, maye gurbin welded raga, 25 kg / m3, ASTM A820 rahoton da ake bukata. Na biyu yana samun amsa a wannan rana.

Lambobi uku Yanke Yanke Komai: Matsayin Al'amari, Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfafawa, Sashi

Matsakaicin tsayin daka ya raba ta daidai da diamita. Yana yanke shawarar ko fiber zai iya kama matrix: yayi ƙasa da ƙasa kuma yana fitar da kusan babu gogayya, yayi tsayi sosai kuma yana ƙwallo yayin haɗuwa. Fiber ɗin ƙarfe na tsarin yawanci yana zaune tsakanin 40 da 80. Ƙarfin ɗamara shine lamba ta biyu: ƙananan igiyar carbon da aka zana mai sanyi tana tafiyar da 800 zuwa 1150 MPa yayin da ƙaramin waya mai tagulla ya kai 2850 MPa. Waɗannan ba su da kyau kuma mafi kyau, ayyuka ne daban-daban, na farko don tsarin taro, na biyu don UHPC da bangon bakin ciki. Sashi shine na uku, wanda aka ba shi azaman juzu'in juzu'i ko kilogiram a kowace murabba'in mita. 30 zuwa 80 kg / m3 yana rufe simintin tsari; 90 zuwa 268 kg/m3 ya riga ya kasance yankin UHPC.

Rabo Mafi Girma Ba Ya Kyau: Inda Raba 60 da 80

Ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai sukan tura yanayin juzu'i zuwa sama kamar adadin kawai yana nufin aiki. Sabanin gaskiya ne: mafi girman rabo, yawan zaruruwa suna tsoma baki a cikin mahaɗin, kuma sun wuce abin da matrix da tara za su iya ɗauka suna samar da ƙwallaye. Kwallo lahani ne, ba ƙarfafawa ba. Aiki yana sanya yin famfo da fesa ƙasa 60, precast da haɗin kai a 65 zuwa 70, kuma duk wani abu sama da 80 kawai a cikin matrices masu girman gaske inda jimlar ta yi kyau kuma manna ya isa don barin fibers su rabu. Tambayi yadda za a sanya simintin kafin a nemi rabon al'amari.

800 MPa da 2850 MPa: Kayayyaki Biyu, Duniya Biyu

Ƙarƙashin fiber na fiber na carbon da aka zana mai sanyi a 800 zuwa 1150 MPa yana zuwa a cikin 0.55, 0.75 da 1.0 mm diamita, tsayin 30 zuwa 60 mm, yana kama a ƙarshen duka. Yana da tattalin arziki, daidaito kuma ya dace sosai, daga kankare na yau da kullun zuwa RPC. Micro waya da aka yi da jan karfe a 2850 MPa shine kawai 0.2 mm a diamita tare da tsayin 6 zuwa 20 mm da yanayin yanayin 30 zuwa 100; nasa ne a cikin bene na gada na UHPC, sassan da aka riga aka tsara na bakin ciki da madaidaitan abubuwa. Yin amfani da ƙananan waya a cikin babban bene yana ɓarna kuɗi, kuma babbar waya kawai ba za ta dace da bangon 30 mm ba. Tambayar zaɓi ta farko ita ce kauri na sashe da bayyanannen murfin, ba ƙarfi ba.

30-80 da 90-268 kg/m3: Yankunan Samfura daban-daban

Sashi shine lambar da aka fi barin mafi yawa akan zance. Simintin tsarin yana amfani da 30 zuwa 80 kg/m3, kusan 0.4% zuwa 1.0% ta ƙarar; Microwayoyin da aka yi da jan karfe a cikin UHPC ana ba da shawarar a 90 zuwa 268 kg/m3, fiye da sau uku mafi girma. Ton ɗaya na fiber don haka ya ƙunshi mita 25 zuwa 30 na simintin bene amma kawai 4 zuwa 10 cubic meters na UHPC. Ka bar sashi kuma masana'antar ta faɗi kewayon tsarin, farashin naúrar yayi ƙasa da ƙasa, kuma farashin kowane mita mai siffar sukari na kankare a hankali ya ninka sau biyu.

Juya Bukatun zuwa Tabbataccen Magana

Tambayar da ake amsawa a rana guda yawanci tana da layi shida: aikace-aikace (bene, shotcrete, precast, refractory), kauri sashi da bayyanannen murfin, ƙayyadadden ƙimar ƙarfi da sassauci, sashi ko juzu'in ƙara, ma'aunin da za a cika (ASTM A820 ko EN 14889-1), da marufi da tashar jiragen ruwa. Ƙara layi ɗaya kan ko ana buƙatar sanarwar CE kuma masana'anta sun san ko za a gudanar da bokan. Da waɗancan layukan shida, zance yana haɗuwa daga ninki uku zuwa cikin kashi goma, domin kowa yana karanta takarda ɗaya. Rubuta aikace-aikacen a cikin kalmomin mai siye kuma: fiber na ƙarfe don ƙarfafa kankare, don shimfidar ƙasan masana'antu, don rami harbi ko don rufin rufin. Iyalin fiber ɗaya na iya yin hidima da yawa daga cikin waɗancan, amma ambaton ya canza tare da kalmomin, haka ma rahoton gwajin da masana'anta ya danganta da shi.

Me yasa Takaddun Takaddun Sinanci da Ingilishi Ba su taɓa daidaitawa ba

Rashin gazawar da ke cikin takardar ƙayyadaddun bayanai ba safai ba ne lambobi ba daidai ba, raka'a ce mara kyau. Wani takarda na kasar Sin ya nuna adadin 25 kg / m3; mai saye mai magana da Ingilishi yana canzawa a 1.685 kuma ya karanta 42 lb/yd3, sannan ya ba da amsa da lamba ɗaya 42, kuma masana'antar ta faɗi 42 kg/m3 baya. Farashin shiru yayi girma da kashi 68. Ƙarfin ɗamara yana ɗaukar tarko iri ɗaya: ma'anar tsakanin MPa da ksi shine 6.895, don haka 1150 MPa yana kusan 167 ksi, kuma ɗayan da ba daidai ba ya zama kuskure sau goma. Matsakaicin yanayin ya fi aminci kuma har yanzu yana da matsala ta ma'anar, saboda ƙila ƙila adadin ya zama daidai diamita ko diamita maras tushe; ga waya mai ƙugiya da kyar take da matsala, ga waya mai ɓarna da kaɗa tana motsa lambar da kashi 15 cikin ɗari. Ƙarfin gyare-gyaren shine buga tsarin naúrar biyu akan takardar kuma faɗi abubuwan juyawa a cikin taken. Nauyin gidan yanar gizo shine jayayya ta biyu mai maimaitawa: shin kwali mai nauyin kilogiram 25 ya yi yawa ko kuma gidan yanar gizon yana canza cikakken akwati da kilo 400. Na uku shine rudani tsakanin sashi da abun ciki, inda adadin shine kilogiram da aka kara kowace mita cubic na siminti kuma abun ciki shine rabon juzu'i a cikin kayan da aka gama, adadi biyu sun rabu da girman karfe. Shirya waɗannan ƙa'idodin a cikin imel na farko kuma kowane bayanin fasaha daga baya ya ɓace.

Me yasa Kalaman Sinanci suka bambanta da sau uku

Sau uku da ake yadawa akan ƙayyadaddun ƙayyadaddun ƙididdiga iri ɗaya ba kasafai ake yin zamba ba. Yawancin bambance-bambance ne guda uku da ba a bayyana ba. Raw material: sanyi-janye low-carbon waya tare da sake narke tarkace yana ba da wani tsari daban-daban na daidaiton ƙarfi. Shafi: gaskiya mai zafi-tsoma jan ƙarfe tare da na'urar lantarki na kwaskwarima ya bambanta sau uku zuwa takwas a cikin gishiri. Dubawa: 28 in-line checks tare da samfurin jigilar kaya shine ainihin bambancin farashi. Rubuta duka ukun a cikin binciken, nemi rahoton batch tare da jigilar kaya, kuma baza a iya bayyana shi ba. Don kwatanta ainihin dabi'u, aiki daga samfurin kuma auna teburin bayanai akan shafin samfurin fiber na karfe maimakon kwatancen ciniki ta imel.