Removal and discharge of a φ1800mm Hume pipe! A pushing method that ensures safety even in the presence of obstacles!
The underground obstacle-responsive mud-based propulsion method "Milling Mall Method" consists of three devices: a tunneling machine, a special expandable pipe, and a special injection pipe, which crush and discharge metallic obstacles. In the sewer construction of Section 42 in Yao City, Osaka Prefecture, the cutting and removal of a concrete pipe was carried out. Immediately after starting, the existing propulsion concrete pipe with a diameter of 1800 mm was cut diagonally over a section of 8.21 meters, which was an obstacle, and then normal tunneling was performed to reach the existing special manhole. At the existing manhole, the head was completely destroyed, and the plan was to disassemble and recover everything else. *For more details, please refer to the PDF document or feel free to contact us.*
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【Construction Overview】 ■Construction Location: Yao City, Osaka Prefecture ■Nominal Diameter: φ1800mm ■Driving Length: 119.86m (150R, 50R 2 Curves) ■Soil Type: Sandy Soil and Clayey Soil ■N Value: 13 ■Gravel Ratio: 4% ■Maximum Gravel Diameter: 19mm ■Groundwater Level: GL-1.18m ■Soil Cover: 11.35m to 10.09m ■Construction Period: June 1, 2013 to August 30, 2013 Nighttime Construction (6 hours) ■Underground Obstacles: Existing Pushed Hume Pipe φ1800mm (L=8.21m) *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Yasuda Engineering Co., Ltd. has been a specialized company in public sewer construction, contributing to the environmental development of the local community since its establishment in 1975. We have pursued sound management and advanced technical capabilities, continuing to make steady progress. In 2001, we acquired the international standard "ISO9001" and expanded into the field of general civil engineering. We aim to be a corporate group capable of continuous innovation as a comprehensive construction company, including building construction. "Honing our technology with rich sensibility, we evaluate from a fair perspective to enhance the vitality of the company in order to meet our customers' needs." This is the management policy of Yasuda Engineering Co., Ltd. We, Yasuda Engineering Co., Ltd., are committed to uniting all employees to refine our technical skills and create a new future.