混凝土
混凝土
혼응토
CONCRETE
2015年
5期
70-72
,共3页
霍俊芳%宋茂祥%佟震%崔琪%潘华
霍俊芳%宋茂祥%佟震%崔琪%潘華
곽준방%송무상%동진%최기%반화
石灰石粉%混凝土%抗压强度%抗冻性能
石灰石粉%混凝土%抗壓彊度%抗凍性能
석회석분%혼응토%항압강도%항동성능
limestone powder%concrete%compressive strength%freezing resistance
主要研究混凝土中掺入石灰石粉,混凝土的立方体抗压强度和抗冻性能。当石灰石粉掺量不大于10%时,混凝土的强度比基准高。随石灰石粉掺量的增加时,混凝土的强度降低。在石灰石粉掺和量不大于15%时,抗冻性能均比基准混凝土高。随石灰石粉掺量的增加,抗冻性能降低。
主要研究混凝土中摻入石灰石粉,混凝土的立方體抗壓彊度和抗凍性能。噹石灰石粉摻量不大于10%時,混凝土的彊度比基準高。隨石灰石粉摻量的增加時,混凝土的彊度降低。在石灰石粉摻和量不大于15%時,抗凍性能均比基準混凝土高。隨石灰石粉摻量的增加,抗凍性能降低。
주요연구혼응토중참입석회석분,혼응토적립방체항압강도화항동성능。당석회석분참량불대우10%시,혼응토적강도비기준고。수석회석분참량적증가시,혼응토적강도강저。재석회석분참화량불대우15%시,항동성능균비기준혼응토고。수석회석분참량적증가,항동성능강저。
Mechanical properties and frost resistance on concrete were studied when limestone powder admixture was added to con-crete.The experiment results showed that lime stone powder content is less than 10%,concrete cube compressive strength is higher than the reference concrete.Along with the increase of limestone powder content,concrete compressive strength decreased.The frost resist-ance of concrete were better than reference concrete when lime stone powder content not more than 15%.The frost resistance of concrete degraded with the increase limestone powder content.