We offer a wide variety of cross-sectional shapes to accommodate all site conditions.
Taiyo Concrete Industry's "Box Culvert" is utilized at many construction sites as an essential material for the development of lifelines such as urban sewer systems, underground walkways, stormwater conduits, and utility tunnels, all under thorough quality control. The design of the "Box Culvert" is based on the "Guidelines for Road Culverts" by the Japan Road Association (March 1999). It also complies with the design vehicle load specified in Article 35 of the Road Structure Ordinance, revised in March 1999 (commonly known as T-25). 【Features】 ○ Excellent quality ○ Reliable design methods ○ A wide variety of cross-sectional shapes → Capable of accommodating all site conditions For more details, please contact us or download the catalog.
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【Design Conditions】 ○ Design compressive strength of concrete: 35N/mm² ○ Live load: T-14, 20, 25 ○ Side wall load: 10kN/m² ○ Dead load → Reinforced concrete: 24.5kN/m³ → Unreinforced concrete: 23.0kN/m³ → Asphalt: 22.5kN/m³ → Soil (above groundwater level): 18kN/m³ → Soil (below groundwater level): 9kN/m³ ○ Coefficient of static earth pressure: 0.5 ○ Impact coefficient: 0.3 ○ Allowable soil cover: 0.2 to 3.0m (For a cover of 0, individual design will be applied) 【Basic Dimension Table (Unit: mm)】 (Nominal dimensions: A, B) ○ 600×600 to 1000×1000: 100, 150 ○ 1100×1100 to 2000×2000: 150, 200 ○ 2200×1800 and above: 200, 250 ● For more details, please contact us or download the catalog.
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As we enter the new era of the 21st century, the theme of "coexistence with the global environment" has emerged in the relationship between humanity and social infrastructure development, alongside the keyword "sustainable development." On the other hand, there have been significant changes in the quality of social infrastructure required, considering aspects such as the advanced informatization of urban functions and safety considerations regarding disaster risks. The development of social infrastructure in this new era must aim to enable the people living there to live more comfortably, safely, and with dignity, making their beloved communities even more wonderful and passing them on to the next generation. To achieve this, Taiyo Concrete Industry Co., Ltd. aims to be a "force" that supports future society by providing products necessary for the new era, based on the power of concrete (Concrete Force) that has walked alongside human prosperity. Our new challenge has already begun.
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