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公开(公告)号:US4354877A
公开(公告)日:1982-10-19
申请号:US202786
申请日:1980-10-31
申请人: Toshio Kawano , Shiro Ishii , Koichi Soeda , Jyunichiro Migita
发明人: Toshio Kawano , Shiro Ishii , Koichi Soeda , Jyunichiro Migita
IPC分类号: C09K3/00 , B02C19/18 , C04B7/00 , C04B28/10 , C04B41/00 , E04G23/08 , E21C37/00 , E21C37/12 , F42D3/00 , F42D99/00 , C04B7/02
摘要: A demolition agent which acts by means of expansive stress generated upon hydration and which is prepared by calcining limestone at 1300.degree. to 1600.degree. C. to produce a hard-burned quick lime whose crystal sizes are 10 to 100 micron, pulverizing the resulting hard-burned quick lime to 1500 to 5000 cm.sup.2 /g (Blaine), mixing 5 to 70 parts by weight of a hydraulic material to 30 to 95 parts by weight of the hard-burned quick lime and furthermore adding 0.1 to 5 parts by weight of an admixture comprising a water reducing agent to 100 parts by weight of the mixture of the powdery hard-burned quick lime and the hydraulic material.The demolition agent is used as an aqueous slurry. The slurry is filled into holes of a brittle material to demolish the brittle material by means of expansive stress generated upon hydration.
摘要翻译: 通过在水合时产生的膨胀应力作用的破坏剂,其通过在1300℃至1600℃煅烧石灰石制备,以产生晶体尺寸为10至100微米的硬烧的生石灰,粉碎所得的硬质合金, 将生石灰烧成1500〜5000cm2 / g(Blaine),将5〜70重量份的水硬性材料与30〜95重量份的硬烧生石灰混合,再加入0.1〜5重量份 包含减水剂的混合物至100重量份的粉状硬烧的生石灰与水硬性材料的混合物。 拆除剂用作含水浆料。 将浆料填充到脆性材料的孔中,以通过在水合时产生的膨胀应力来破坏脆性材料。