Nature, Environment, People
Since our establishment, we have been involved in the sale of construction and civil engineering aggregates, and we have established a system to consistently provide a wide range of products that meet our customers' needs.
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basic information
【Features】 ○ Construction and Sales Precast concrete pile construction, site pile construction, steel pipe pile construction, ground improvement work (design, construction, supervision), exterior wall work (ALC), paving work, earth retention (steel sheet piles, parent piles), shoring work, earth anchors ○ Construction Methods ... Down-the-Hole method, rock auger method, various ministerial certified methods ○ Geological Surveys Boring surveys, plate load tests on the ground, and others ● For other functions and details, please contact us.
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Delivery Time
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Applications/Examples of results
【Delivery Achievements】 ○ Piling Work ○ Earth Retention Work ○ Ground Anchor Work ○ Ground Improvement Work
Company information
In 1960, Japan was at the threshold of the high-growth era, having gone through a period of post-war reconstruction and stability. Particularly in preparation for the Tokyo Olympics in 1964, large-scale construction projects such as the Meishin Expressway and the Tōkaidō Shinkansen were underway, leading to a construction boom across the country. This period was referred to as the "three whites era," during which sugar, cement, and fertilizer were highly valued. Japan has abundant limestone in its geology (with Akiyoshidai in Yamaguchi Prefecture being a representative example), but good quality stones for aggregate (gravel) were hard to come by. At that time, the late Shigezaburo Shibata, the founder, was approached by a cement company to arrange for gravel. While on his way to his wife's family home in Konan Town, Kōka District, Shiga Prefecture, he happened to ride the JR (then National Railways) Kusatsu Line from Kyoto Station and saw high-quality aggregate rising along the Yasu River from the train window. This became the catalyst for providing gravel to the cement company.