Fiber-reinforced konkrete: chii, kuumbwa, unhu, kushandiswa

Munhu wose, zvichida, aifanira kunzwa shoko rokuti "fiber-reinforced concrete". Zvazviri, iwe haungagoni kubatsira asi kufarira. Iyi nyaya iyi inonyanya kusimba yekrete, iyo inosimbiswa munzvimbo yose nenzira yekusimudzirwa nesimbi uye isiri-metallic fibers. Izvi zvinonzi fiber fibers.

Chii chinonzi fiber-reinforced concrete

Kana iwe uchifarira mubvunzo weiyo fiber, saka iwe unofanirwa kuziva kuti chii. Saka, pakugadzira fiber inoenderana nekushandisa zvinhu zvakasiyana-siyana, kureva:

• Sirivha yefesi;
• Polypropylene fiber;
• Polyamide;
• Asbestos;
• Carbonic;
• Polyester;
• Viscose;
• Polyethylene;
• Basaltic;
• Carbon;
• Acrylic;
• Fiberglass;
• Nylon nekotoni tsvina.

Chinhu chinonyanya kushandiswa ndechesimbi fiber, iyo yakagadzirwa netambo, iyo yakakura kubva pane 0.1 kusvika ku 0.5 mm, asi urefu hunogona kuenzana nemuganhu we1 kusvika ku5 cm.Girafu fiber inowanzozivikanwa, nokuti ine unhu hukuru hwehutsika .

Basalt uye carbon fiber zvinodhura, saka hazvishandisi kakawanda. Ikozvino, chii, iwe unofanirwa kuziva, kana uchida kuishandisa mukuvaka, inogona kugadzirwa nekuwedzerwa kweviscose, nylon kana tsamba dzomukati dzakasanganiswa nematare esimbi. Izvi zvinonyanya kuderedza mari yekugadzirwa uye zvinokubvumira kuwana zvinhu zvakasiyana siyana.

Zvinhu zvinokosha

Fiber-concrete ine maitiro akasiyana-siyana, pakati pavo inofanira kuonekwa:

• Kukwirira kwakasimba uye simba rakasimba;
• Kurwisana kwekutengesa uye makemikari zvinhu;
• Kwete shrinkage;
• Kushorwa kwemvura;
• High plastiki;
• Impact resistance;
• Kurwisana kwekubvisa;
• Kurwisana kwekupwanya;
• Fire resistance;
• Frost resistance;
• Kuwedzera kwema modulus elasticity.

Kana iwe wakatarisa fiber-yakasimbiswa konkrete mune chikamu, ichave yakagadzikana sangano, iyo inotenderera kuburikidza nehuwandu hwakazara ne fiber yakaonda iri mune zvakasiyana-siyana. Zvichienderana nemhando ipi yemafibhi inoshandiswa, zvinhu zvekrete uye chimiro chei inclusions chichachinja.

Zviratidzo zveganda-rakasimbiswa krete zvichienderana ne fiber

Fiber-concrete, zvinorevei, inofanira kuzivikanwa kune umwe neumwe nyanzvi yemunda wekuvaka, iyo zvinhu izvo zvinhu zvinowirirana zvichienderana nehutano hwe fiber. Semuenzaniso, simbi fiber, iyo inowanzoshandiswa pakugadzirwa kwekrete, inopa iyo nyaya yakawedzera simba guru uye rinoparadza.

Nyaya yakadaro hairegi, haifaniri kuputika nekuputsanya panguva yekushandiswa uye inoratidzirwa nekusimba kwayo. Pakati pezvimwe zvinobatsira zvinogona kuonekwa nekugara uye simba. Kana iwe uchiwedzera michina yesimbi yakakisi, zvinhu zvichange zvisina mvura, chisingaiti uye chisingaiti. Kana iwe uchida kuwana nyaya ine yakakwirira ye-elasticity, unofanira kuwedzera girazi fiber. Concrete inowanikwa nepurasitiki, zvisinei nokuti girazi harisi kusagadzikana kune alkaline.

Concrete inowedzera kuiswa nemapurimi kuti kuwedzere kusagadzikana kwemakemikari kwezvinhu. Kune zvinoshandiswa mukugadzirwa kwezvinhu zvinowedzera zvinhu zvinosunga alkali. Nokuda kwechinangwa chimwe chete, sarumini yakamisi-yakagadzirwa sedare inoshandiswa. Nyaya idzi dzichave dzakasarudzwa nehupamhi hwekudzivirira, kupikisa kwemvura, kupisa kwemafuta uye kubrasi kusagadzikana.

Fibro-concrete, chii ichocho, chinonakidza kune vatenzi vose vese, chinhu chine maitiro eesbestos fiber anogona kuwedzerwa. Somugumisiro, zvinokwanisika kuwana chinhu chakasimba chisingagadziriswi nehutano hwepamusoro uye alkalis, inoratidzwa nesimba guru. Mashoko acho ane fiber yakadaro inonzi "kubvumira". Kana iri chizadziro nenzira yebasalt fiber, ipapo iwe usati wanyatsogadzirisa simba racho.

Mune zvimwe zviitiko, polyethylene, polypropylene nedzimwe mbambo dzinoshandiswa dzinoshandiswa. Vanokwanisa kugovera zvinhu zvekunyama kumhando ye simba rakasimba rekusimba, kushorwa kwemakemikari, kushorwa kunotonhora zvakanyanya. Fiber-reinforced konkrete haiiti magetsi. Izvi zvinotapudza kukosha kwezvivakwa, izvo zvakakosha kune mamwe marudzi emabasa.

Kushanda

Fiber-concrete, kushandiswa kwaro kwakajairika mazuva ano, inoshandiswa munzvimbo dzakawanda dzekuvaka nemashini. Izvi zvinosimbiswa nehupamhi hwehutano hwemashoko. Nekubatsira kwayo, zvirongwa zvinogadzirwa, izvo zvinonyanya kudiwa zvinoiswa pachiremera. Izvi zvinogona kuva chivako chemhuri yepamhizha neyemabhizimusi.

Stalefibrobeton, somuenzaniso, inoshandiswa pakugadzira nheyo, vavete, mabhangi emabhangi, mabhenji uye mabhiriji. Izvi zvinyorwa zvinoshandiswa mukugadzirisa kwemasayinisi emagetsi uye pasi. Kana ukawedzera kune zvigadzirwa zvesimbi fiber, pakupedzisira mashoko acho anogona kushandiswa mukugadzirisa kwekutora uye kubvisa zvipfeko uye mukugadzirwa kwemugwagwa, pamwe nekuisa nzira. Steelfibreconcrete inoshandiswawo se-high-tight coating. Iyo inopfuurira pakugadzirwa kwemakwenzi nematombo.

Additional Area

Kazhinji khonikisi yakadaro inoshandiswa mukugadzirwa kwekrete yemamonoroni uye zvivakwa zvekuvaka. Izvo zvinhu zve fiber-reinforced concrete nesimbi fiber zvibvumire kuishandisa mumagadzirirwo emvura uye mumigwagwa yematsime emvura, madamu uye matangi emvura ekurapa. Pasi rezvinhu zvakadaro richakwanisa kuisa mitoro yakakwirira, iyo inofanirwa kugadziriswa kwezvivako zvekurima uye zvemhizha. Girazi yegorosi-yakasimbiswa konkrete inokosha inokosha mune urongwa hwehwamanda zvishongo, izvo zvinoiswa mumigwagwa yakabatikana.

Zvinyorwa zvekudzivirira mvura zvinoshandiswa mukuvakwa kwemiti yekurapa kwemvura. Zvigadzirwa zvakakodzera zvekushongedza kupedza, nokuti fiberglass haina simba chete, asiwo inoyemura. Ndicho chikonzero icho chinogona kushandiswa pakuita chimiro chekushongedza kwezvivako. Pasi pezvinyorwa hazvipindi kusvibiswa uye zviri nyore kuchenesa.

Kushandisa girazi fiber rakasimbiswa krete

Kana ikrete ichine fiberglass yechigadzirwa, ipapo michina inobva kune iyo inogona kushandiswa pakugadzirwa kwevhenekeri, mabhenji, masvingo, nezvimwe zvinhu. Basalt fiber inoita kuti zvikwanise kugadzira zvivako zvinotakura zvinhu zvakakura panguva yekushanda. Kugadzirwa kwezvinhu zvakadaro kunogona kuva nheyo, mapaki emotokari, pasi rekrete nemugwagwa. Madhesheni, zvivako zvezvitima, matangi uye zvimwe zvivako zvinogona kuvakwa.

Polypropylene fiber inoenda pakugadzirwa kwekrete, iyo inoshandiswa pakugadzirwa kwekrete yekrete, zvivako zvitsva uye zvivako, pamwe chete nemapuranga. Viscose uye makotoni tsvina inoshandiswa mune dzimwe nyika kugadzirwa kwehembe hwekrete.

Mutengo we fiber-reinforced concrete

Fiber-konkeri, mutengo waro unogona kusiyana zvichienderana nehuwandu hwezvinhu, une zvimwe zviyero zvefibhi pamakirita emamita. Kana iyi parameter yakaenzana ne30%, ipapo mutengo we fiber-concrete M-150 ichava 3400 rubles. Kana iyo inowedzera kuM-200, ipapo mutengo unowedzera kusvika ku 3600 rubles. Nokuti M-250 anofanira kubhadhara mabhiriki 3,700., Nekuda kweM-300 - 3,800 rubles. Fibro-concrete yechiratidzo M-350 inotora 3900 rbl.

Mamwe makambani mazuva ano anopa fiber-reinforced konkrete nemafuta akasiyana, ayo iwe ungasarudza iwe pachako kana kushandisa ruzivo rwevanyori munyaya iyi. Pakuguma, zvichave zvichibvira kuwana zvinhu izvo, somuenzaniso, zvichava nesimba rinokurudzira simba, kushorwa kwemvura, simba rekusimudza nekuveura.

Mutengo we fiber-reinforced concrete haufaniri kutyisa. Icho chakanyanya kuderera nekuda kwekuti teknolojia yekugadzira haisi yakaoma zvikuru. Nekugadzira iyo inofanirwa chete kusanganisa simiti, jecha, mvura uye huwandu hwakawanda mumhando yedombo rakapwanyika. Pakati pezvigadzirwa zvinenge zviripo zvimwe zvipembenene zvakapararira, zvinonzi fibers.

Unhu hwemamwe marudzi e fiber

Kusarudza ichi kana icho chine fiber pakugadzirwa kwekrete, unowana zvinhu nezvimwe zvinhu. Somuenzaniso, polypropylene fiber ine uwandu huri 0,9 g / cm ³ . Modulus of elasticity inosiyana kubva pa 3500 kusvika 8000 MPa. Iyo simba rinoshanduka rinoparadzaniswa kubva 400 kusvika 700 MPa. Nezvekudzivirira kwemazuva ekuzorora, inopararira kubva pa10 kusvika ku25%.

Basalt fiber ine simba rakakwirira, iro rinopararira kubva pa26 kusvika ku 2.7 g / cm ³ . Muto wekusununguka unosiyana kubva pa7000 kusvika ku11000 MPa, simba rinoshanduka rinoparadzaniswa kubva 1600 kusvika 3200 MPa. Nezvekudzivirira kwemazuva ekuzorora, inopararira kubva pa4 kusvika ku3.6%. Iyo fiber fiber ine yakakwirira kunyange yakakwirira, iyo inosvika 7.8 g / cm ³ . Nzira yekusimba uye simba rakasimba rinosiyana kubva muna 190000 kuenda ku 210000 uye kubva 600 kusvika ku 3150 MPa, maererano. Chirongwa chekuputsika ndeche 3 kana 4%.

Chero chipi nechipi chine fiber chinokwanisa kuvandudza mararamiro ekrete, pakupedzisira inobatsira zvikuru pamusoro pekrete yekodhi. Fiber-concrete haisi uremu hunorema chete uye hukuru hwekumanikidzika, asiwo hutano hwakasimba hwekutsvaira, uyewo hupenyu hunoshandiswa kwenguva refu, huwandu hunopetwa ka20.

Fibreconcrete products: panels

Mishonga yakagadzirwa nefiber-reinforced concrete inoshandiswa nhasi kwose kwose. Pakati pavo pane zvakakosha kusiyanisa zvikamu zvakakura-zvigadzirwa zviduku zviduku, zvakasimbiswa kwose kwose kwehutu hwegirasi fiber. Iyo inoshandiswa kutarisana nemasvingo, pamwe chete nekushongedza mukati. Fiber-concrete panels inobatanidza simba, kupikiswa kwemoto, kuumbwa, kushaya pasi uye kuonekwa chaiye. Panels of fiber-reinforced concrete inogona kuiswa mu:

• Facade;
• Concrete pane;
• Concrete siding;
• 3D-fiber-yakasimbiswa konkrete;
• Simba;
• Zvidhinha zviduku zviduku ;
• Molded concrete zvinhu ;
• Interior concrete panels.

Zvimwe mapaneji ezvirongwa

Fiber-concrete panels dzine hukuru hwakakura uye inoshandisa geometry, iyo inogona kuwanikwa semagumisiro evhiki mana yekugadzira. Inyanzvi iyi inotanga kusanganiswa kwekrete yemuvara unodiwa, uchikanda pamhando yezvikamu zvishanu zve fiberglass. Vaviri vavo vakavezwa muchetere, asi vamwe vatatu vari mukutsvaga. Mushure mekufamba kwemazuva makumi mana ekusimbisa kwemashoko, nzvimbo yepahwendefa inobatwa, iyo inopa mapaneti mvura-akadzivirira nzvimbo.

Mhedziso

Chii chinonzi fiber, iwe watoziva. Icho chinhu chakashandiswa pakugadzirwa kwefiber-reinforced concrete. Izvo, inogonawo, inogona kushandiswa pakugadzirwa kwekrete fibro panels, iyo inofananidzwa nehutano hwemoto. Izvi zvakagadzirwa nemoto uye zvinogona kutarisana nekupisa kusvika kusvika 350 ° C. Iwe unogonawo kushandisa fiber-reinforced konkrete mukuvaka, nokuti ine zvinyorwa zvose zvinodiwa zvekushandisa munharaunda yeRussia.