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经多次路面罩面后,很多高速公路护栏高度都不满足规范要求。介绍京哈高速公路河北段护栏改造工程中护栏钢立柱接桩试验段的成功经验,希望对今后国内高速公路护栏改造工程具有一定的指导意义。
After many road surface cover, a lot of highway fence height does not meet the standard requirements. This paper introduces the successful experience of the steel column post-column test in the guardrail reconstruction project of Hebei section of Beijing-Harbin Expressway and hopes to provide some guidance to the reconstruction of the guardrail of the expressway in the future.