Dry soil mixing

Dry soil mixing

Dry soil mixing

Dry soil mixing
The dry soil mixing process takes place in following steps:
1. Positioning of the mixing tool under addition of compressed air
2. Rotary insertion of the mixing tool
3. Mixing of the soil down to final depth
4. Rotary extraction under addition of binding agent
5. Hardening of the soil-binder-mixture
6. Laying of base courses and surface course

For dry mixing a single mixing shaft breaks up the soil matrix. The mixing shaft consists of a hollow drilling linkage with mixing equipment and outlet nozzle. Cement and lime are mainly used as binding agents and are introduced in the ground as dry powder with the compressed air. The mixing tool rotates at high speed and mixes soil and binding agent.

Examples for dry soil mixing

  • The piling and drilling rig LRB 125 XL is fitted with a special mixing drive and a lime cement station.

    LRB 125 XL with dry mixing equipment

    The piling and drilling rig LRB 125 XL is fitted with a special mixing drive and a lime cement station.

  • The binding agents used are mainly cement or mixtures of lime and cement as a powder.

    Binding agent

    The binding agents used are mainly cement or mixtures of lime and cement as a powder.

  • The process can also be used in freezing temperatures as no additional water is introduced into the ground with the binding agent.

    Application in freezing temperatures

    The process can also be used in freezing temperatures as no additional water is introduced into the ground with the binding agent.

  • On the back of the carrier machine two silos are mounted as material depots as well as the appropriate conveyor technology.

    Lime cement station

    On the back of the carrier machine two silos are mounted as material depots as well as the appropriate conveyor technology.

  • On the jobsite the silo is filled with binding agent by a supply vehicle.

    Supply vehicle

    On the jobsite the silo is filled with binding agent by a supply vehicle.

  • The mixing tool has an opening through which the binding agent can exit.

    Mixing tool

    The mixing tool has an opening through which the binding agent can exit.

  • Rotating extraction of the mixing tool under simultaneous addition of binding agent is carried out fully automatically.

    Installation method

    Rotating extraction of the mixing tool under simultaneous addition of binding agent is carried out fully automatically.

  • Dry mixing columns arranged in a grid form increase the load-bearing capacity of the ground, e.g. for road construction.

    Spread foundations

    Dry mixing columns arranged in a grid form increase the load-bearing capacity of the ground, e.g. for road construction.

  • Video dry soil mixing

    The video shows an LRB 125 XL producing soil mixing columns using the dry soil mixing method.
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    The video shows an LRB 125 XL producing soil mixing columns using the dry soil mixing method. Play video
    The video shows an LRB 125 XL producing soil mixing columns using the dry soil mixing method.
    We need your consent This YouTube video is provided by Google. If you load the video, your data - including your IP address - is transmitted to Google and may be stored and processed by Google inter alia in the USA. We have no influence over further data processing by Google. By clicking on "Accept", you consent to the transmission of data to Google for this video in accordance with Art. 6 (1) (a) GDPR and at the same time expressly consent to the transfer of data to the USA in accordance with Art. 49 (1) (a) GDPR. If you no longer wish to consent to each YouTube video individually in the future and wish to be able to load the videos without this blocker, you can also select "Always accept YouTube" and thereby consent to the associated data transmissions and transfers to Google and to the USA for all other YouTube videos which you open on our website in the future. Please note that, in the opinion of the European Court of Justice, there does not currently exist an adequate level of data protection in line with EU standards in the USA, and at present we cannot provide suitable safeguards to protect your data and offset this shortcoming. Possible risks to you of data transfer to the USA are that access by state authorities cannot be excluded and that your data could be processed for reasons of national security, criminal prosecution or for other purposes in the public interest of the USA, possibly without you being informed separately and without enforceable rights and effective means of redress being available to you. You can withdraw consent that you have given at any time with future effect via the settings. For further information, please see our Data Protection Declaration and Google's Privacy Policy. *Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Irland; Mutterunternehmen: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA

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