液态粉煤灰在高速公路台背填土中的应用

摘要

This paper briefly introduced the application of liquid fly ash at home and abroad,combining with the project example,elaborated the test match and construction process of liquid fly ash,and gave the construction quality control key points,had reference for bumping at bridge head caused by back-abutment backfill no-compaction and back-abutment settlement etc.%简要介绍了液态粉煤灰在国内外的应用,结合工程实例,阐述了液态粉煤灰的配合比试配及施工流程,并给出了施工质量控制要点,对治理由于台背填筑不密实及台背沉降等造成的桥头跳车具有借鉴意义。