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

机译：在大坝和堤坝上混合使用的地方和割碎土壤的方法

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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.rnIts 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.rnThis 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.rnThe 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.rnHowever 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.rnTo 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：现场混合（MIP）和切土混合（CSM）是先进的深层土壤混合方法，在大坝和堤坝的建设，升级和维修中非常流行。高度发达的设备和方法允许将胶凝材料与天然土壤混合，以建造非常经济的高质量垂直结构，从防渗墙到稳定土壤的建筑元素不等。它的应用已扩展到取代许多传统技术以及特殊技术，例如著名工程中的板桩，喷射灌浆，膨润土泥浆墙或浅塑料混凝土防渗墙。本文详细介绍了MIP和CSM技术，并展示了美国佛罗里达州奥基乔比湖的Herbert Hoover Dike等参考工程。 CSM方法已被成功使用。MIP方法是一种垂直钻孔和混合技术。在钻孔过程中，将天然土壤与水泥浆混合，然后在螺旋钻头中引入水泥浆。圆形MIP元件可以在厚度不超过0.9 m，深度不超过25 m的粗糙和黏性土壤中生产。然而，CSM方法是一种垂直切割和混合技术。在切割过程中，天然土壤会与水泥浆混合，并通过位于切割混合轮之间的喷嘴引入水泥浆。矩形CSM单元可以在厚度不超过1.5 m，深度不超过60 m的粗糙，黏土和岩石土壤中生产。要在生产过程中保持均匀的土壤水泥混合物，这两种方法都需要可靠的质量控制。专门开发的“ B-Tronic”系统是质量控制过程的一部分，该过程使操作员可以更改和控制生产参数。记录的数据用于可视化混合土壤元素的布局，尺寸和质量。

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