粉煤灰掺量对水泥土抗压强度性能的影响研究  

Research on the Influence of Fly Ash Content on the Compressive Strength Performance of Cement-soil

作　　者：赵铁永 林婧怡 王标 张炜炜 ZHAO Tieyong;LIN Jingyi;WANG Biao;ZHANG Weiwei(Tongchuang Engineering Design Co.,Ltd.;School of Civil Engineering,Shaoxing University)

机构地区：[1]同创工程设计有限公司 [2]绍兴文理学院土木工程学院

出　　处：《广东建材》2024年第9期56-59,共4页Guangdong Building Materials

摘　　要：煤炭在当今世界电力生产中占据着重要地位,其燃烧产生的大量粉煤灰已经成为全球关注的问题之一。煤炭使用后产生的大量粉煤灰和炉底渣等工业废物严重污染了环境并占用了土地资源。为了探究粉煤灰掺量对水泥土抗压强度的影响,本研究以绍兴地区的废弃路基土为研究对象,在水泥掺量为5%的情况下,考虑了4种粉煤灰掺量(0%、5%、10%和15%),采用无侧限抗压强度试验对不同掺量下的粉煤灰改性水泥土的抗压强度进行了研究,旨在确定粉煤灰的最佳掺量。研究结果表明:(1)适量掺入粉煤灰可以提高水泥土的抗压强度;(2)当粉煤灰掺量为5%时,试样的抗压强度达到最大值。Coal plays an important role in the production of electricity in today's world,and the large amount of fly ash generated from its combustion has become one of the global concerns.The large amount of industrial waste such as fly ash and furnace bottom slag generated after the use of coal se‐riously pollutes the environment and occupies land resources.In order to investigate the effect of fly ash content on the compressive strength of cement-soil,this study takes abandoned roadbed soil in Sha‐oxing area as the research object.With a cement content of 5%,four types of fly ash content(0%,5%,10%,and 15%)were considered.Unconfined compressive strength tests were conducted to study the com‐pressive strength of fly ash modified cement-soil under different content,aiming to determine the op‐timal fly ash content.The research results indicate that:①the appropriate addition of fly ash can im‐prove the compressive strength of cement-soil;②When the fly ash content is 5%,the compressive strength of the sample reaches its maximum value.

关 键 词：粉煤灰 水泥土 无侧限抗压强度 

分 类 号：TU44[建筑科学—岩土工程]