Nhasi, vagadziri veruzha zvipingamupinyi vanogovana zvimwe zvine chekuita nezve akasiyana mashandiro ezviratidzo zve
zvivharo zvinonzwika.Iyo yakazara tekinoroji zviratidzo zveizwi barriers zvinhu zvinofanirwa kusangana
yakakodzera indasitiri chigadzirwa zviyero.
Inzwi rekunyura kuita index yeizwi barriers zvinhu:
Yakanaka acoustic performance, inoshanda kunyura ruzha uye kuderedza ruzha, kuita kunotora ruzha
yezvinonzwika zvivhariso zvinhu zvinoyerwa zvinoenderana neGBJ47-1983 "Reverberation Kamuri Method Ruzha.
Absorption Coefficient Measurement Specification”, pa125HZ, 250HZ, 500HZ, 1000HZ, 2000HZ uye 4000HZ
frequency Coefficients haifanire kunge iri pasi pe0.25, 0.40, 0.80, 0.95, zvichiteerana.
Sound barrier index of sound barrier material:
Zvinoenderana neGBJ75-1984 "Makakatanwa ekuyera kweInzwi Insulation muZvivakwa", ruzha.
insulation yezvipingamupinyi zvinonzwika haifanire kunge iri pasi pe30dB.
Performance zviratidzo zve snoring barrier materials:
Inofanira kunge iri giredhi A zvinoenderana ne “Kupatsanura Nzira Yekupisa Kuita Kwekuvaka
Zvishandiso”.
Freeze-thaw kuramba zviratidzo zve snoring barriers zvinhu:
Iyo yechando-thaw resistance performance ichaitwa maererano nenzira ye3.2.4
kuomesa-nyoro kuramba muna 149-2003 "yakawedzera polystyrene board yakatetepa plaster kunze kwemadziro kupisa.
Insulation system".Mushure memakumi matatu ekutenderera, bvunzo yemuenzaniso ichave isina spalling, kutsemuka uye layer
kuumbwa.
Nguva yekutumira: Mar-17-2020