本文采用交叉梁法分析钢筋混凝土护栏内力，并与试验结果进行了对比。
The cross beam model is used to analyze the internal forces of reinforced concrete traffic barrier, and the results coincide with the test results.
用混凝土护栏建造的1至5米高且用沙回填而成的砂坝从5个不同方案中脱颖而出，被选为最佳方案。
Sand DAMS, which are constructed out of concrete barriers 1-5m high and backfilled with sand, were voted as the best idea from five different proposals.
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