火炎山於921 大地震後常於颱風豪雨過後發生土石災難，現地採用之石籠及土石堤等工法亦未能有效杜絕土石肇災。為落實節能減碳之政策，於各類災情整治及建設上政府多鼓勵在安全無虞下
採用「綠色建築」或「生態工程」，屬於標準生態工程之加勁工法於台灣則已邁入成熟普遍之階段，本案即針對火炎山土石問題首次採用加勁土堤圍堰及導引工法進行整治。本篇先剖析火炎山土石流之成因與特性及肇災機制，再就加勁工法之設計與施工摘其要紀錄其過程與重點，經十數次颱風豪雨侵襲後已證明在適當設計下加勁工法確實可用於治理土石問題，並具極佳之成效。

The discussed project is located at the toe of Mt. Huoyan. In recent years, frequent unsympathetic climate brought extreme torrential
rain. Possibly the cloudburst took accumulated deposits to the tunnel
portal and the local transportation was definitely suspended. To prevent
Mt. Huoyan from Earth Calamities, a mechanically stabilized earth(MSE)
embankment was built while the structure was encouraged with it’s
characteristic of green construction. To carry out a perfect performance
with the MSE embankment, studies relative to the subject were prepared
well and then a mechanically safety structure was designed with most
embankment body made up of the local earth materials. Though MSE
embankment was not as popular as a RC structure then, still with an
well-controlled mechanical strength in geogrid and procedure in
construction, an precise positioned MSE embankment is firmly proved
that it really satisfied all expectations after 2 years with undergoing of
attacks at least 10 typhoons.