Foam Concrete Mix Proportions

Foam kongiri ndeye cellular lightweight kongiri, inogadzirwa nesamende, jecha kana dota renhunzi nemvura zvakasanganiswa nemushonga unopupuma furo. Inoshandiswa kune zvakasiyana-siyana zvekushandisa kusanganisira thermal insulation, kuzadza kwakawanda uye zvimiro zvemuviri.

Sanganisa zviyero zvekongiri ine furo zvinotemerwa nezvinodiwa zvesaiti yakapihwa uye zvinhu zvinoshandiswa pakushanda kunodiwa, plastiki density uye compressive simba. Iyo yakaoma density yechigadzirwa chinoguma inoenderana nesaturation level mumapores ayo, iyo inogona kubva 300 ku 1600 kg/m3 zvichienderana nerudzi rwejecha kana dota renhunzi rinoshandiswa kugadzira zvinhu zvepasi uye huwandu hwefuro rinowedzerwa kuti riwedzere kushanda..

Chiyero chejecha kana nhunzi ash kune portland simenti inofanira kuchengetwa pakati 1:3 uye 2:1 yekongiri isingaremi ine densities pazasi 600kg/m3. Kugadzira kongiri inorema yakafurwa nefuro ine density inodarika 1500kg/m3, jecha rakakwirira rinowanzo shandiswa sehwaro zvinhu.

Zvinhu zvinoverengeka zvinokanganisa iyo microstructure ye lightweight kongiri (FC). The pore size distribution, zvigadzirwa zve hydration uye ganda-senge pore chimiro ese akakosha ma paramita anobata simba rekumanikidza reFC.

Nhamba huru yezvinyorwa zvepasi rose zveFC zvakaburitswa. Kunyangwe yakawanda yacho inobata neiyo macroscopic maficha eiyo cellular lightweight kongiri, tsvakurudzo pamusoro pe microstructure yayo haina kuregeredzwa.

Muchidzidzo ichi, akati wandei akasiyana magadzirirwo emusanganiswa akagadzirwa nekusiyanisa reshiyo sement nejecha. Mushonga wekupupa furo waiva nemukurumbira uye unotengeswa wakashandiswa kugadzira kongiri yakadzidziswa nemhepo. Musanganiswa wacho waibva waumbwa kuita zvakasiyana. Simba rekumanikidza remisanganiswa iyi rakaedzwa pamazera akasiyana. Mhedzisiro yacho yakaratidza kuti simba rekumanikidza reiyi misanganiswa magadzirirwo akasiyana kubva 2.8 ku 6.14 MPa uye 28 mazuva.