Ibisobanuro
Igiti c’umuberoshi gikoreshwa cane mu gukora isandugu kubera ko gikomeye buringaniye, gishobora gutunganirizwa neza, kandi kikaba gikora neza. Ivyiyumviro vyayo nyamukuru biradondaguwe gutya:
1. Ibisobanuro vy'ingero
Ingano zihuye n’ingero z’isandugu zisanzwe ariko ziremeza guhindura uko umuntu ashaka.
Uburebure: Ubusanzwe buva kuri 15mm gushika kuri 40mm. Imbaho zikomeye cane (30mm–40mm) zikoreshwa mu guhingura isandugu (nk’akarorero, ibipande vyo mu ruhande, igipfukisho) kugira ngo umuntu ashobore kwikorera umuzigo-, mu gihe izindi zikomeye cane (15mm–25mm) zishobora gukoreshwa ku bice bibiri (nk’akarorero, igipfukisho c’imbere).
Ubwaguke: Ubwaguke busanzwe ni 120mm–300mm. Imbaho ziri muri iyo nzira zigabanya ivy’ugufatanya birenze urugero, zigatuma isandugu iguma ari nziza kandi ikaba ari nziza.
Uburebure: Kenshi na kenshi 1800mm–2400mm, bujanye n’uburebure busanzwe bw’amasandugu y’abantu bakuze (180cm–220cm). Uburebure burebure (bushika kuri 3000mm) burashobora guhindurwa kubera ibisabwa bidasanzwe.
2. Ibirimwo ubukonje
Igihambaye cane mu gukingira guhinduka canke gusenyuka, ubukonje buri muri bwo buragenzurwa cane hagati ya 8%–12%. Ivyo bihuye n’imihindagurikire y’ikirere yo mu karere, bikaba bituma inkwi ziguma zihagaze neza mu gihe co kubika, gutwara, no gukoresha-kurinda guhinduka bishobora kwonona imiterere y’isandugu.
3. Gushira mu migwi
Ivyiyumviro bishingiye ku ntumbero mbi zo ku ruhande n’uburyo bw’ibiti, hariho ivyigwa bibiri nyamukuru vyo gukoresha mu isandugu:
Ikigero A: Nta mapfundo aboneka, imivyimba canke ibara ry’umubiri rihinduka ku ruhande; intete iragororotse kandi irahuye. Ibereye ku masandugu y'agaciro kanini-aho ukugaragara ari co kintu gihambaye.
Igitigiri ca B: Cemera 1–2 ntoyi, zitari-imiterere (uburebure buri munsi canke bungana na 5mm) kuri metero kare n’ugukevya kw’intete gatoyi. Ikoreshwa ku masandugu yo hagati-, guhuza igiciro n'ugukoreshwa.
4. Ibindi bimenyetso nyamukuru
Uburemere: Hafi y’ibiro 400–500/m3, bitanga uburinganire bwiza bw’uburemere buke (bworoshe gukoresha) n’ubukomezi bw’imiterere.
Ubwoko bw’ivyuma bifatanya (ku mbaho zifatanye): Hakoreshwa ivyuma bifatanya ibidukikije-bihuye n’ingingo ngenderwako za E1 canke E0 (ivyo bita formaldehyde biva munsi canke bingana na 1.5mg/L), bikaba bituma habaho umutekano kandi bikagabanya umunuko.
Gutera umunyota: Imbaho nyinshi zica ziterwa umunyota kugira ngo zibe ahantu heza (ububabare Buri munsi canke bungana na 6μm), ivyo bikaba bituma umuntu ashobora gutera ibara canke gutera irangi (ivyo guheza bikunze gukoreshwa birimwo gutera ibara ry’umunyota kugira ngo igiti kibe giteye igomwe).
Twandikire
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