Effective for jade stones and boulders! Pile and steel sheet pile construction on hard ground using the 'MLT method'
Special screws for compression wings and mixing wings! The 'MLT method' for installing piles and steel sheet piles in hard ground is effective for "cobblestones and boulders," which are difficult to handle with conventional methods!
The MLT method (no-excavation hole wall method) is a technique that involves pre-drilling and replacing the ground to drive steel sheet piles or H-piles into hard ground. By compressing the excavated soil against the hole wall using a special screw made of a compression wing and a mixing wing, the self-support of the hole wall is achieved, allowing for rapid drilling. As a result, the amount of soil discharged during drilling is also reduced. This method is particularly effective for hard ground, including gravel, cobbles, and bedrock, achieving cost reduction and shorter construction periods compared to conventional methods. Additionally, we have established a research group for the no-excavation hole wall method to further develop and promote this technology. 【Features】 ■ High construction accuracy ■ Reduction of excavated soil ■ Low noise, low vibration, and no dust ■ Cost reduction and shorter construction period ■ Usable in narrow spaces ■ Reduced risk of collapse *For more details, please download the PDF or feel free to contact us.
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basic information
【Applicable Soil Types】 Clay, sand, gravel, boulders, cobbles, pebbles, bedrock, reinforced concrete, etc. 【Drilling Diameter, Drilling Length】 ・φ500~650 (up to φ800 depending on conditions) ・Actual performance 36m (depending on soil conditions and construction conditions) 【Standards and Specifications】 Total width: 3050mm Total length (standard): 6840mm Leader height: 9950mm Total equipped weight: 42.5 tons Excavation torque: maximum 16t/m, etc. *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Construction Purposes】 ■ Foundation piles / Retaining piles / Temporary piers, platform piles / Steel sheet piles, etc. for advance excavation / Landslide prevention piles / Removal of underground obstacles *For more details, please download the PDF or feel free to contact us.
Detailed information
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Application examples: urban areas, roads
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Application example: River construction
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Applicable case: Construction work near railway operating lines
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Application examples: Power plants, substation construction
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Company information
MLT Soil Co., Ltd. is a foundation construction company specializing in hard ground. We excel in "pile and steel sheet pile construction" and "removal of underground obstacles" for hard ground such as cobblestones, boulders, and bedrock, and we address difficult construction projects that are challenging to execute with conventional methods using our unique special techniques.
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