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محیط زیست و منابع طبیعی::
سنگ چینی
River (riverbank and revetment) improvement for achieving appropriate river environment
Points of planning and designing for riverbank, water's edge and revetment are indicated in the followings.
In addition, if the expansion of river width is difficult, the minimum river bed excavation shall be considered, and even if the revetment is required, the maximum effort to preserve natural river bank and the waterfront shall be taken.
* To Carefully judge the necessity of establishing a revetment, and install revetment with minimum scale
As for the revetment for countermeasures against erosion, it should be installed with minimum scale after judging the necessity of establishing a revetment, considering the external force of running water, the strength of the river bank, and the shape of the river channel.
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