CAJ | 학술논문

研究了石膏、引气剂、发泡剂与聚丙烯纤维对石膏基膨胀珍珠岩制品强度及干表观密度的影响。结果表明，随石膏用量减少，制品的干表观密度减小，抗压与抗折强度略减小；在相同石膏用量下，掺入引气剂能显著降低制品的干表观密度，但会对制品的抗折与抗压强度产生不利的影响；随着发泡剂掺量的增加，制品的抗压与抗折强度降低，而制品的干表观密度也减小；随聚丙烯纤维含量的提高，制品干表观密度降低。
연구료석고、인기제、발포제여취병희섬유대석고기팽창진주암제품강도급간표관밀도적영향。결과표명，수석고용량감소，제품적간표관밀도감소，항압여항절강도략감소；재상동석고용량하，참입인기제능현저강저제품적간표관밀도，단회대제품적항절여항압강도산생불리적영향；수착발포제참량적증가，제품적항압여항절강도강저，이제품적간표관밀도야감소；수취병희섬유함량적제고，제품간표관밀도강저。
The effects of gypsum, foaming agent, retarder and polypropylene fiber on compressive strength and dry bulk density of gypsum-based expanded perlite products are studied. The results show that with the decreasing of gypsum content, dry bulk density, compressive and flexural strength of products decrease. Under the same content of gypsum, adding the foaming agent can significantly reduce the dry bulk density of products, but may have an adverse effect to the flexural and compressive strength of the products. With the increasing of hydrogen peroxide content, the compressive, flex-ural strength and dry bulk density of products all decrease. In addition, with the increasing of polypropylene fiber content, dry bulk density of products decreases.