Helpful for disaster recovery work! It is possible to shorten the construction period!
A flow control chamber that temporarily stores rainwater and other water in a reservoir and gradually releases it through an orifice box.
Introduction to a hybrid retaining wall method using steel pipe piles and concrete panels.
Smooth movement, easy installation, and hassle-free safe removal! Reverse T-shaped retaining wall for stockyards.
A framework block that can protect the surface layer of cut and fill slopes! Prevents erosion and surface sliding.
Harmonizing with the surrounding landscape! We are increasing the size of the stacked blocks to improve workability.
For roads, rivers, and construction purposes! A substitute for natural stone (rock) with interlocking blocks.
Products with JIS certification are easier to install compared to gap blocks! Significant reduction in construction time!
Can be used for soil retention and general construction on the sidewalk and roadway from an economic perspective! Can be installed by lifting horizontally.
Applicable to reinforced earth walls and block masonry, etc.! In standard products, it can accommodate curves with an inner radius of 42m and an outer radius of 25m!
No formwork required, shortening construction time! Soil retaining blocks that can be installed using small machinery instead of manual labor.
A retaining wall with integrated drainage features, including a waist stop retaining wall, drop cover type U-shaped gutters, and L-shaped gutters. It contributes not only to shortening construction time but also to maintaining aesthetics and ensuring road visibility!
Recycled plastic retaining wall retrofitted stairs
End timber for circular formwork that does not require hole processing in the formwork due to the use of a round separator.
Greening the retaining wall as the first step towards the greening retaining wall movement!
A convenient and reliable plate for leveling L-shaped retaining walls and gutters.
With precast products and support holes, installation of the product and the protective fence can be completed in a short period of time.
Minister of Land, Infrastructure, Transport and Tourism certified product compliant with the Soil Retention Regulation Law! An L-shaped retaining wall for residential construction with a 4cm cover for rebar, excellent durability.
Designed for a uniformly distributed load of 10 kN/m²! "50F to 250F" has obtained JIS II class certification.
The uniformly distributed load is 10 kN/m²! It complies with the standards of the Building Standards Act and the Land Development and Urban Planning Act for residential land development.
It is possible to easily construct cast-in-place concrete retaining walls, contributing to a reduction in construction time.
Blocks arranged on a gentle slope to ensure the stability of the slope.
The construction is simple and allows for a shortened construction period! A retaining wall method that can accommodate the limited construction conditions in urban areas.
Earthquake-resistant wall construction method certified for large and medium earthquakes! Manufactured under consistent quality control by certified factories!
Significant reduction in construction time! At the construction site, special tasks such as rebar, concrete, and formwork are hardly used!
Achieving excellent durability due to high strength! The diversification of pattern designs allows for compatibility with various landscapes.
Applicable to vertical embankments up to approximately 15 meters! It allows for effective land use with minimal land width required.
Just by applying water, you can create a thin, highly durable, water-resistant, and fire-resistant concrete surface that is soft and easy to install! After hydration, it is highly durable! Also suitable for seawater!
If it's about OC reverse L-shaped retaining walls, leave it to us.
It can be used as an environmentally friendly block.
It can be used for a wide range of applications such as drainage ditches and waterway bridges (covers).
It temporarily stores rainwater and gradually returns it to the earth (underground). It also plays a role in recharging groundwater.
Installation of piping connection materials is also OK! It will help improve on-site workability!
Even in areas regulated for land development, it can be used freely! Contributing to effective land use and labor-saving in operations!
Cleared experiments for seismic resistance, pressure resistance, and durability! L-shaped retaining walls that eliminate the need for on-site pouring and achieve shortened construction periods.
Ideal for construction in narrow sites! A self-supporting retaining wall method that does not require a base slab, offering high flexibility during construction.
A comprehensive catalog featuring various shapes and dimensions of concrete products for roads!
Drain cover cap for sealing the handle holes of concrete drain covers! It prevents coins, keys, and other items from falling into the handle holes of concrete drain covers!
You can expect drainage functionality, sound absorption effects, and a reduction in brightness!
Strong and beautiful concrete products and methods. Unique and stylish paving materials that match any scene. Numerous case photos and technical information are also included.
Shortening construction time and labor-saving! It has become possible to differentiate residential land, allowing for the creation of uniquely characterized residential developments.
Constructing safe and beautiful embankment retaining walls with our unique wall joint technology!
The allowable shear stress is τca=0.26 N/mm²! Introduction to L-type retaining walls in accordance with road earthwork retaining wall guidelines.
Design considering the soil in front of the retaining wall and the active earth pressure! For ALW-R1-80 and above, the top surface will have a free slope of 0 to 10%.
Introducing our lineup of "F-type foundation blocks" and "drop cover U-shaped drainage covers"!
Over 20 years of weather resistance in accelerated weathering tests! Construction that guarantees reliable results is possible.
Land improvement, road earthworks, residential disaster prevention, and compliance with large blocks. RC can accommodate various shapes such as reverse T-shaped side ditches. Unreinforced can support block masonry and mixed retaining walls.
L-shaped retaining wall capable of withstanding major earthquakes with a durability of 100 years!
The minister has certified a lineup of L-shaped retaining walls for residential construction, including reinforced concrete L-shaped retaining walls!
In the construction of the mountain line section, a minimum curvature radius of 30m is possible! Reinforced concrete L-shaped retaining wall with an ideal cross-sectional shape.
Promote greening and harmonize with nature! We can create a rich and peaceful natural environment.
This is an L-shaped retaining wall that complies with the guidelines for road geotechnical retaining walls.
Flexible construction method! A retaining wall that boasts high seismic resistance and excellent drainage while being economically advantageous.
It is a hybrid structure with excellent drainage properties that can reduce the excavation and backfill volume of the back slope.
It helps secure evacuation routes during disasters as an emergency escape staircase and is useful for disaster prevention and mitigation measures.
For disaster prevention measures, such as securing evacuation routes during emergencies, as an emergency escape staircase. Can be retrofitted to retaining walls, riverbanks, and the walls of waterways!
Precast concrete retaining wall certified by the Minister of Construction!
L-shaped retaining wall designed for gravel and gravelly soil.
L-shaped retaining wall designed for sand and sandy soil.
Large L-shaped retaining wall designed for gravel and gravelly soil.
Large L-shaped retaining wall designed for sand and sandy soil.
It can be used when the design conditions are good and a low-height L-shaped retaining wall is needed!
The process of disassembling the inner formwork has been omitted, significantly shortening the procedure! It can be easily constructed to the specified slope!
Excellent permeability, suitable for use from slope protection to steep embankments! A concrete retaining wall boasting high durability.
Large blocks for riverbank protection that help with nature conservation and secure the ecosystems of insects and juvenile fish.
Two types available! Precast foundation blocks for block masonry retaining walls.
It is widely used as a semi-permanent structure such as utility pole supports.
A curved block that can be constructed as a three-dimensional curved wall, like the stone walls of a castle, in a traditional Japanese aesthetic space!
Introducing precast concrete products with a rectangular cross-section that can rapidly construct self-supporting retaining walls.
By integrating concrete rigid protective fences and L-shaped retaining walls, we achieve a significant reduction in construction time.
We accommodate all conditions! Introducing a wide range of "retaining walls"!
Manufactured under consistent quality control by a certified factory! Obtained certification under Article 14 of the Enforcement Order of the Land Development and Urban Planning Act.
Positioning is possible during construction with a concave-convex shape! The base plate section will be poured with on-site concrete.
In the examination of the structural framework under stable conditions, the allowable stress method is used!
Installation of protective fences for pedestrians and bicycles is possible! Certified by the Road Precast Concrete Products Technology Association!
Addressing land use constraints! Reverse L retaining wall
By adopting a T-shaped beam structure, we achieve a safe and economical cross-section!
We offer two types: a 250mm type and a 300mm type that can accommodate the installation of soundproof walls and other features!
Achieving economic cross-sections! The type of retaining wall used varies depending on the type of protective fence.
A 2-minute slope type that takes eye care into consideration! Available in grid stone type and vertical slit type, among others.
Starting with a finish of iron flat stones, we offer a lineup of finishes including granite and pebble finishes!
Standard type and right-hand/left-hand end types are available! You can plant shrubs!
Products that meet PRCA inspection standards with a 5-degree slope and a height of 8m or less! No need for formwork installation or removal, allowing for labor savings and cost reduction.
Reinforced concrete structure! It can reduce the amount of concrete poured on-site, leading to cost reduction.
Planting of shrubs is possible! You can enjoy a variety of landscapes depending on the types of trees!
Reduce construction costs with labor-saving and speed-up! It stands independently with a 5-degree slope and can be easily constructed with machinery!
Matches the surrounding environment! The increase in block size and mechanical construction enables shortened construction periods and labor savings.
Introducing our lineup of large reverse T-shaped retaining walls certified for residential construction, including Type M, Type B, Type G, and Type Ke!
Achieving a significant reduction in construction time! By increasing the panel size by approximately 1.5 times, the number of installation tasks is greatly reduced.
We have a wide variety of natural stones and materials, including iron flat stones, white granite, and white jade!
Introducing measures such as permeable ditches, permeable pits, permeable wells, and rainwater runoff control (storage and infiltration)!
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Supports half-finished products and slanted cuts at the top! Effective for retaining soil in neighboring properties with high ground levels.
Connecting the ancient and the modern, leaping into the future.
Products made from rolled thin plate steel. Used in various structures of prestressed concrete. There are also polyethylene versions available.