It has been adopted for construction where there is a possibility of wooden stakes with a diameter of 300 mm existing in the pipeline section.
This is an introduction to the construction results of the replacement work for the water supply main (800mm and 500mm) between the vicinity of 1-chome, Nihonbashi Horitakemachi, Chuo Ward, and the vicinity of Nihonbashi Hisamatsu-cho, Chuo Ward. Initially, there was a possibility of wooden piles with a diameter of 300mm existing in the push pipe section; however, as a result of the construction, there were no wooden piles with a diameter of 300mm. 【Construction Case】 ■ Project Name: Replacement work for the water supply main (800mm and 500mm) between the vicinity of 1-chome, Nihonbashi Horitakemachi, and the vicinity of Nihonbashi Hisamatsu-cho, Chuo Ward ■ Client: Tokyo Metropolitan Waterworks Bureau ■ Contractor: PS Mitsubishi Corporation ■ Pipe Diameter: 1200mm ■ Pushing Length: 36.628m and 133.936m ■ Soil Type: Sandy silt ■ N Value/Gravel Rate/Maximum Gravel Diameter: N=1 to 4, G=0%, φmax=0mm ■ Construction Period: May 2015 to July 2015 (2.5 months) ■ Type of Obstacle: Insurance method, no obstacles *For more details, please refer to the PDF document or feel free to contact us.
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【Milling Mall Method: Four Special Functions】 ◎ Exploration: Detecting metal obstacles ahead while advancing the excavation. ◎ Improvement: Ground improvement from inside the excavation machine before and after the obstacles. ◎ Cutting: Crushing and discharging metal obstacles into pieces. ◎ Guidance: Guiding the excavation machine to the designated position of the vertical pile. *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.
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