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MIXED-IN-PLACE AND CUTTER-SOIL-MIXING METHODS APPLIED ON DAMS AND DIKES

机译：在水坝和堤坝上施加的混合和刀具混合方法

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摘要

Mixed in Place (MIP) and Cutter Soil Mixing (CSM) are advanced deep soil mixing methods becoming very popular in dam and dike construction, upgrade and repair. Highly developed equipment and methods allow mixing cementitious materials with natural soil in order to construct very economic high quality vertical structures varying from Cut-Off walls to soil stabilizing construction elements. Its use has been extended to replace many conventional techniques as well as special techniques like Sheet Piles, Jet Grouting, soil-bentonite slurry walls or shallow plastic concrete Cut-Off walls on prestigious projects. This paper describes the MIP and the CSM technique in detail and shows reference projects like Herbert Hoover Dike at Lake Okeechobee, Florida USA where the CSM method have been used with large success. The MIP Method is a vertical drilling and mixing technique. During drilling the natural soil is mixed with cementitious slurry which is introduced at the auger bit. The circular MIP elements can be produced in coarse and clayey soils with a thickness up to 0,9 m and a depth up to 25 m. However the CSM Method is a vertical cutting and mixing technique. During cutting the natural soil is mixed with cementitious slurry which is introduced through the nozzle located between the cutting - mixing wheels. The rectangular CSM elements can be produced in coarse, clayey and rocky soils with a thickness up to 1.5 m and a depth up to 60 m. To maintain a homogeneous soil cement mixture during production both methods require a reliable quality control. The special developed "B-Tronic" system is part of the quality control process which allows the operator to vary and to control production parameters. The recorded data are used to visualize layout, dimension and the quality of the mixed soil elements.
机译：混合到位（MIP）和刀具土壤混合（CSM）是先进的深层土壤混合方法在大坝和堤防建设，升级和维修中非常受欢迎。高发达的设备和方法允许使用天然土壤混合水泥材料，以构建自切壁到土壤稳定构造元件的截止墙变化的非常经济的高质量垂直结构。它的使用已经扩展到替代许多传统技术以及薄片桩，喷射灌浆，土壤 - 膨润土浆料墙或浅塑料混凝土缝隙墙上的特殊技术。本文详细介绍了MIP和CSM技术，并详细展示了赫尔伯特霍弗堤等地参考项目，佛罗里达州美国佛罗里达州美国佛罗里达州美国，CSM方法已被使用大量成功。 MIP方法是一种垂直钻孔和混合技术。在钻井期间，天然土壤与豆类浆料混合，螺旋钻头引入。圆形覆盖元件可以以粗糙和粘土的土壤生产，厚度高达0.9米，深度可达25米。然而，CSM方法是垂直切割和混合技术。在切割过程中，将天然土壤与水泥浆料混合，通过位于切割轮之间的喷嘴引入。矩形CSM元件可在粗，粘土和岩石土壤中生产，厚度高达1.5米，深度可达60米。在生产过程中保持均匀的土壤水泥混合物两种方法需要可靠的质量控制。特殊开发的“B-TRONIC”系统是质量控制过程的一部分，允许操作员可以变化和控制生产参数。记录的数据用于可视化混合土元素的布局，尺寸和质量。

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