桥头台背回填流态粉煤灰技术的应用  

Filling Technology of Liquid Fly Ash Bridge in Tower Backwall

作　　者：杨正军[1] 

机构地区：[1]河北路桥四分公司,河北邢台054000

出　　处：《交通标准化》2009年第23期92-94,共3页Communications Standardization

摘　　要：利用粉煤灰的特性可使其成为台背路基回填的良好材料,即在粉煤灰中添加一定比例的外加剂和水使其呈液态状,便能够密实地填充到台背的每个部位和边角处,形成具有一定强度的结构。The fly ash is a good material for backwall subgrade filling because of its characteristies. By mixing proper proportion of addictive and water in fly ash to form liquid fly ash, it can be filled into every part and eorner of baekwall, so as to form a strueture with certain strength.

关 键 词：台背路堤 填筑 液态粉煤灰 

分 类 号：U416.1[交通运输工程—道路与铁道工程]