Ramsas-S Method

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last updated：Mar 11, 2021

近藤建設

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The advanced curve construction is possible with the internal measurement system! The starting and arrival shafts are very small.

This technology is a construction method that allows for long-distance propulsion due to the vacuum excavation method. For diameters φ250 to 500, it can be divided into four parts (maximum dimension 925mm), and for φ600, it can be divided into three parts (maximum 1,325mm). Each nominal diameter is equipped with a compact jack for improved workability. Additionally, it allows for the construction of shafts in favorable locations, taking into consideration the surrounding environment. 【Features】 ■ A variety of cutter heads tailored to soil types (φ250 to 600) ■ The starting and arrival shafts are very small ■ Capable of long-distance starting ■ Advanced curved construction is possible with an in-pipe measurement system ■ Advanced curved construction is possible with an electromagnetic wave measurement system *For more details, please refer to the PDF document or feel free to contact us.

Related Link - https://kondou-co.jp/business/suishin/ramsus.html

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【Other Features】 - Reducing the number of vertical shafts makes the overall construction more economical. - The length and angle of the wire are measured using an underground automatic surveying device installed in the push pipe, allowing real-time tracking of the excavation position via a control computer above the vertical shaft. - Achieves high precision in curved construction without being affected by underground buried objects. *For more details, please refer to the PDF document or feel free to contact us.