英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

riprap    
n. 乱石,碎石,堆成的石基
vt. 用乱石筑基



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Riprap - Wikipedia
    Riprap causes morphological changes in the riverbeds they surround One such change is the reduction of sediment settlement in the river channel, which can lead to scouring of the river bed as well as coarser sediment particles
  • What Is Riprap and How Does It Prevent Erosion?
    Riprap is a layer of large, angular stones placed along slopes, shorelines, and channels to prevent erosion You’ll find it anywhere moving water threatens to wash away soil: riverbanks, bridge foundations, culvert outlets, and coastal shorelines
  • Riprap - U. S. Environmental Protection Agency
    Riprap is a layer of large stones that protects soil from erosion in areas of high or concentrated flows It is especially useful for armoring channel and ditch banks, among other features
  • What is riprap? | Stormwater Solutions
    What is the purpose of riprap? Riprap is a layer of stones that protects shorelines and structures from erosion It is useful for armoring areas against waves and water flows Rirap can be paired with other stormwater control measures to reduce stormwater flow rates
  • What Is Riprap? | TNC - nature. org
    Where natural coastal habitats have been removed, riprap — ranging from large rocks to massive concrete blocks — is a man-made solution that can actually degrade the ecosystem
  • What is Rip Rap? - How to Install Rip Rap - TowerClimber. com
    Riprap, also known as rip rap, rip-rap, shot rock, rock armour or rubble, is rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour and water or ice erosion
  • Erosion prevention practices - Riprap | Minnesota Stormwater Manual
    Riprap is a permanent layer of large, angular stone, cobbles, or boulders typically used to armor, stabilize, and protect the soil surface against erosion and scour in areas of concentrated flow or wave energy
  • Conventional and Soil Riprap Construction Guidance Checklist
    Soil riprap is commonly used where vegetation is anticipated and can be buried with an additional layer of topsoil, providing a good growing medium for vegetation
  • What is Riprap? - vermontriverconservancy. org
    Riprap helps “lock” the riverbank in place and prevents the land from washing away during floods or high water flow It’s especially common in gravel-bed rivers where erosion can be intense





中文字典-英文字典  2005-2009