Simbi rebarchinhu chakakosha muindasitiri yekuvaka. Ichi chinhu chakasiyana-siyana chinopa simba uye kugadzikana kune zvivakwa zvekongiri, zvichiita kuti zviwedzere kusimba uye kusagadzikana kushushikana uye kunetsa. Inoshandiswa zvakanyanya mukuvaka zvivakwa, mabhiriji, migwagwa, uye mamwe mapurojekiti ezvivakwa.
Simbi rebar inogadzirwa nekabhoni simbi, inova alloy yesimbi uye kabhoni. Zvimwe zvinhu, senge manganese, silicon, uye mhangura, zvinogonawo kuwedzerwa kunatsiridza zvimiro zvayo. Maitiro ekugadzira anosanganisira kupisa-kukungurutsa kana kutonhora-kushanda simbi kuita refu, mbariro dzakatetepa dzehukuru hwakasiyana uye maumbirwo.
Simbi rebar yakakurumidza kuwana mukurumbira nekuda kwesimba rayo rakakura uye kusimba, izvo zvakabvumira mainjiniya kugadzira akareba uye akaomarara zvimiro. Nhasi, simbi rebar chinhu chakakosha muindasitiri yekuvaka, uye kushandiswa kwayo kunodzorwa neakasiyana mazinga uye makodhi kuti ave nechokwadi chekuchengetedza uye kuvimbika.
Imwe yemabhenefiti ekutanga esimbi rebar isimba rayo rakakwirira rekusimba, zvinoreva kuti inogona kumirisana nehuwandu hwakakosha hwekushushikana pasina kutyora kana kukanganisa. Ichi chivakwa chinonyanya kukosha mune yakasimbiswa kongiri zvimiro, uko rebar inoshanda senge yekusimbisa kurwisa masimba ekusimba ayo kongiri yega isingagoni kutakura. Simbi rebar zvakare ine yakanakisa ductility, zvichireva kuti inogona kutambanudza uye kukotama isina kutyora, ichiibvumira kutora simba kubva kune yakatenderedza kongiri panguva yekudengenyeka kwenyika uye zvimwe zviitiko zvekudengenyeka.
Simbi rebar inouya muhukuru hwakasiyana uye maumbirwo, imwe neimwe yakagadzirirwa mashandisirwo chaiwo. Mhando dzakajairika dzerebar dzinosanganisira plain, deformed, uye epoxy-coated rebar. Plain rebar ine nzvimbo yakatsetseka uye inowanzo shandiswa mune yakaderera-stress application. Yakaremara rebar, kune rumwe rutivi, ine mbabvu, mabumps, kana zvimwe zvinokanganisa pamusoro payo, izvo zvinopa zvirinani kubata uye kunamatira kune yakatenderedza kongiri. Epoxy-coated rebar ine inodzivirira layer ye epoxy coating, iyo inodzivirira kuora uye inowedzera hupenyu hweiyo rebar.
Mukupedzisa, simbi rebar chinhu chakakosha muindasitiri yekuvaka. Simba rayo repamusoro, kusimba, uye ductility inoita kuti ive yakanakira kusimbisa zvivakwa zvekongiri. Nekushandisa simbi rebar, mainjiniya anogona kugadzira akareba, akasimba, uye akasimba zvimiro izvo zvinokwanisa kumirisana nekuwanda kwekushushikana uye kushushikana. Sezvo indasitiri yekuvaka iri kuramba ichikura, simbi rebar pasina mubvunzo icharamba iri chinhu chakakosha mukuvaka zvivakwa zvemangwana.
Nguva yekutumira: Kubvumbi-26-2023