摘要:Combining topographic circumstance of fourteenth contract section along Fenyang-Lishi expressway, the paper indicates the craft prin- ciple and the construction key technique for the addition of the anchor plate protection of upper parts of the pile-plank wall, points out two im- provement measures, that is, the rolling soil after walls and the inverted filter construction technique and the addition of the anchor plate protection, to maintain the wall stability, and analyzes the social and economic benefits, so as to provide the scientific reference for similar project in future.%结合汾离高速公路十四合同段地形情况,阐述了桩板墙上部增加锚定板防护的工艺原理及施工关键技术,同时提出两点改进措施——墙后填土及反滤层施工技术和增加锚定板防护以保持墙体稳定,并对其经济和社会效益进行分析,为今后同类型工程施工提供了科学参考。