格宾网护岸在湖南河道中的应用 利众格宾

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格宾护岸工程形式与特点:
护岸形式有多种分类方法，从工程 结构方面可分为坡式护岸、坝式护岸和墙 式护岸。坡式护岸是指在岸坡上修筑的防 护措施，如砌石护坡、混凝上护坡、植草 护坡等;而岸基则采用抛石、抛枕、抛石 笼、沉排等护基形式。一般来说，这种护 岸形式适应河床变形、抵御水流冲刷能力 强，施工和维护都较方便。坝式护岸是指 在河道上修建控导水流的坝，如J坝、顺 坝等，以保护河岸不受水流冲蚀淘刷破 坏，由于它改变了原来的河势，修筑J坝 应从流势缓和处开始逐步向流势湍急河段 推进。墙式护岸是指在河岸修筑挡上墙或 板桩墙，用于河道狭窄、地形受限的场 合，由于挡墙靠自身重力抵抗水流冲刷和 上侧压力，体积和重量较大，对地基承载 力提出了一定要求，故适于地基稳定的河 段，且高度一般不**过5m。不同的护岸形 式施工方法也有所差异，由于坡式护岸更 为常见，下面重点对该形式部分类型的施 工技术进行分析。
Bing revetment engineering forms and characteristics:
Revetment form has a variety of classification method, from the aspects of engineering structures can be divided into slope revetment, and wall dam revetment revetment.Refers to the slope revetment is built on the bank slope protection measures, such as stone paving, concrete slope protection, grass slope protection, etc.;While shore-based adopting riprap, throw pillows, his stone cage, sink, and other forms of protective base.In general, this shore protection form to adapt to the riverbed deformation, ability to resist water scouring, construction and maintenance are convenient.Refers to the river dam revetment KongDao built over water dam, such as J dam, dam, in order to protect the Banks of the river is not affected by water erosion scour break bad, because it has changed the old regime, building J dam should be started gradually to the flow pattern fast-flowing river flow pattern detente in advance.Wall type refers to the Banks of the river built up on the wall or sheet pile wall, narrow channel, the terrain is limited field, because of the retaining wall under their own gravity flow washout resistance and upper pressure, volume and weight is bigger, puts forward some requirements of foundation bearing force, so it is suitable for the stability of foundation river section, and is generally not more than 5 m.Different form of revetment construction method is also different, because the slope revetment is more common, the following key on the form of some types of applied technique is analyzed.