赤城商会 List of Products and Services

"Satoyama Communication" is a wide-area, free wireless IoT infrastructure that is resilient to disasters without relying on mobile or wired connections. In mountainous and hilly areas where communication infrastructure like mobile networks is not sufficiently developed, we support the use of IoT for wildlife damage prevention, disaster prevention, and crime prevention by utilizing our unique 250mW high-output, long-distance free wireless communication standard "LP-WAVE." From mountains, rivers, agricultural land to marine areas, it enables low-cost monitoring of remote sensor information, contributing to solving various challenges faced by the community. 【Features】 ■ Excellent range even in mountainous areas ■ Usable even outside mobile coverage ■ Available with zero communication fees *For more details, please refer to the PDF materials or feel free to contact us.

• IoT
• Information and communication equipment and infrastructure

The "Weed Control Block" is an environmentally friendly product that has been evaluated by many experts in the fields of environment and land use. It utilizes a weed control technology based on the growth mechanisms of plants, allowing weeds to stop growing on their own, thus eliminating aging deterioration. We offer two types: the "Gunma Prefecture Type Pipe Ditch" weed control type and the "Pedestrian-Vehicle Boundary Type" weed control type. 【Features】 ■ Weeds stop growing on their own, resulting in "no aging deterioration" ■ "Zero environmental impact technology" ■ "Reduced budget for road maintenance" ■ "Reduction of CO2 emissions from construction" ■ An "environmental product" recognized by many experts in the fields of environment and land use ■ Road users feel "safe," leading to fewer complaints *For more details, please refer to the PDF materials or feel free to contact us.

• Gutters and U-shaped gutters

"Rock Roll" is a type of wire mesh basket made from synthetic fibers, commonly referred to as a net rock basket. Since the stones are pre-filled, it can be installed immediately upon delivery. There is no need for the labor-intensive assembly of wire mesh baskets or manual stone filling, as required with traditional wire baskets. Additionally, it can be lifted by hooking it at three points due to the high-strength net, making it easy to work with. 【Features】 ■ Stones are pre-filled from the start ■ Fill materials can be selected from crushed stones, pebbles, or locally sourced materials ■ High flexibility ■ Weather-resistant multi-filament polypropylene net ■ Can be stacked in multiple layers ■ Unlike wire, it does not corrode *For more details, please refer to the PDF document or feel free to contact us.

• Baskets and futon baskets

"Pradam-kun" is a rainwater storage tank that can be installed in sizes ranging from small to large. In recent years, rapid urbanization has led to many issues such as urban flooding, declining groundwater levels, and depletion of spring water. Additionally, the occurrence of localized heavy rains, referred to as "guerrilla downpours," has increased, creating a strong demand for measures against rainwater. The Pradam method was developed as a product with economic efficiency, ease of construction, and high storage capacity. 【Features】 ■ High void ratio - Ensures a practical void ratio of over 95% after assembly - Reduces excavation and leftover soil, thereby controlling total costs ■ High strength - Compatible with T-25, can be installed under parking lots - Passed tests for Level 2 seismic motion *For more details, please refer to the PDF document or feel free to contact us.

• Rainwater infiltration facilities

"Newpla-kun" is a rainwater storage tank that has obtained technical evaluation certification from the Public Corporation Rainwater Storage and Infiltration Technology Association. It effectively addresses flood damage caused by typhoons, sudden heavy rains, and linear precipitation zones, demonstrating high capability as a countermeasure against urban flooding resulting from ongoing development. It features a large void ratio and high strength, and can be completed simply by assembling the main components. 【Features】 ■ Large void ratio: Ensures a practical void ratio of over 95% after assembly ■ High strength: Compatible with T-25 live load, can be installed under parking lots ■ Ease of construction: Completed with just the assembly of main components (few parts) ■ Obtained technical evaluation certification *For more details, please refer to the PDF materials or feel free to contact us.

• Rainwater infiltration facilities

"New Trench-kun" is a rainwater storage and infiltration facility that leverages the advantages of the crushed stone trench method, resolves its weaknesses, and features unique functions. With outstanding water treatment capabilities, it significantly reduces construction area, and its lightweight design of approximately 5 kg per unit makes construction easy. Additionally, it is compatible with T-25 and can be installed under parking lots. 【Features】 ■ Porosity 95%: Significantly reduces construction area with outstanding water treatment capabilities ■ Easy construction: Lightweight design of approximately 5 kg per unit, shortening the construction period ■ Built-in water pipe: Smooth water flow due to the presence of a water pipe within the tank ■ Maintenance management: Comprehensive measures against functional decline with transfer pipes to prevent clogging ■ Durable and long-lasting: Compatible with T-25, suitable for installation under parking lots ■ Ecology: Environmentally friendly through the use of recycled materials *For more details, please refer to the PDF document or feel free to contact us.

• Rainwater infiltration facilities

"Chigaya Matt" is a turf-like seedling of Chigaya that is cultivated and grown on a thin layer of palm fiber substrate. It can be treated similarly to turf and is effective for initial erosion prevention. Since the plants used are produced from seeds, a small amount of seeds can be used to produce products tailored to each region. [Features] - The underside is rich in rhizomes. - Effective for initial erosion prevention. - Fixed with stakes and covered with soil. - Other native species can be mixed in beforehand. - Planting root ball minis or soil pots can help create native grasslands. *For more details, please refer to the PDF materials or feel free to contact us.

• Slope protection material
• Planting work

The "Smart Drain Series" is a steel gutter that can be installed in various locations with minimal space. It has no slope breaks, improves the safety of the road shoulder, and quickly drains rainwater, creating a comfortable road without splashing. Additionally, it is lightweight, allowing for manual installation. Even on busy roads or in urban areas, it can be installed in a short time without extensive regulations. 【Features】 ■ Compact and high-strength structure (T-25 load capacity) ■ Eliminates noise caused by concrete chipping or lid rattling ■ Reduces future repair costs... "Improved durability" ■ Suitable for use in areas with frequent vehicle crossings... "High strength" ■ Effective in places with height and width restrictions, such as underground utilities, decks, and pedestrian bridges *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

"Chloroguard" is a special admixture that enables the production of high-durability concrete, starting with excellent resistance to chloride ion penetration. Products containing this admixture possess 8 to 20 times greater resistance to salt damage compared to conventional concrete products. It is used by replacing a specified amount of binding materials such as cement. 【Features】 ■ In addition to resistance to chloride ion penetration, it can produce concrete with improved compressive strength, reduced drying shrinkage, and excellent resistance to freeze-thaw cycles. ■ It contributes to the longevity of structures, enhances durability, and reduces life cycle costs. *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete admixture

"Gravel Fix Pro" is an artistic gravel paving material born in the environmentally advanced country of the Netherlands. By filling honeycomb (hexagonal) structures with gravel, the ground becomes fixed and stable, making it very easy to walk on, even though it appears to be a gravel path. It is ideal for gravel driveways, gardens, rooftop gardens, and parking lots. The honeycomb structure allows for different colors of gravel to be used, enabling creative gravel art. 【Features】 ■ No ruts or depressions ■ No puddles ■ Less sun glare, contributing to heat island prevention ■ Can support a tire loader without issue ■ The gravel does not crack and does not fade as it is made from natural materials *For more details, please refer to the PDF document or feel free to contact us.

• Paving Materials

"Grastop" is a product that not only easily prevents the growth of weeds when installed on slopes but also maintains a harmonious landscape with its cobblestone-like texture. It is effective in protecting slopes by preventing surface erosion caused by rainfall. Additionally, we offer "Grastop SL," which has a thickness of 20mm and a lightweight of approximately 16kg, with a weed suppression sheet integrated into the bottom of the block. 【Features】 ■ The cobblestone-like texture creates a landscape that harmonizes with the surroundings. ■ It creates a landscape that harmonizes with the surrounding nature without disrupting the habitat of living organisms. ■ It has properties that allow it to adapt to slight undulations and curves, enabling efficient installation. ■ It can be installed manually even in narrow sites where heavy machinery or vehicle access is difficult, such as under elevated structures. *For more details, please refer to the PDF document or feel free to contact us.

• Slope protection material

The "HGPU type drainage channel B300/B400" is a product that can be used similarly to the GPU3 type drainage channel (B300-H300, B400-H400). One side is raised by 30mm, reducing the flow of rainwater that collects due to the cross slope into adjacent farmland or residential areas. In cut sections, it reduces erosion on the roadside, and in fill sections, it decreases the risk of soil collapse. 【Features】 ■ Can be used for longitudinal flow in a water-compatible manner ■ Usable similarly to the GPU3 type drainage channel (B300-H300, B400-H400) ■ The PC4 channel cover (B300, 400) is also the same ■ Enhances water collection and drainage capabilities ■ Reduces erosion on the roadside in cut sections and decreases soil collapse in fill sections ■ No hindrance for light trucks or agricultural machinery entering and exiting due to the height difference (30mm) *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

The "Split Interlocking Block" is an artificial product that possesses the texture and heaviness of natural materials, blending into the natural environment more as time passes. The fine unevenness of the surface diffuses light, protecting the driver's visibility from reflected light on the wall. Additionally, we offer the "F-type Foundation Block," which achieves a reduction in construction time through labor-saving measures. 【Features】 ■ An artificial product that has the texture and heaviness of natural materials ■ Exudes the beauty of natural stone as time goes by ■ The fine unevenness of the surface diffuses light ■ Protects the driver's visibility from reflected light on the wall *For more details, please refer to the PDF document or feel free to contact us.

• Stacking blocks
• Concrete block, ALC panel, extrusion molded cement board construction

The "Sliding Surface Knowledge Block" maintains integrity through reinforced concrete, allowing for the construction of robust structures. We offer a lineup including "Type A (B category/A category)," "Drainage Type," and "Special Type B." Additionally, we provide "F Type Foundation Blocks" that are compatible with most commercially available masonry blocks, allowing for the pouring of the foundation block and the filling of the core concrete without the use of formwork. 【Partial Lineup】 ■ Type A (B category/A category) ■ Type B ■ Type C ■ Drainage Type ■ Special Type B *For more details, please refer to the PDF materials or feel free to contact us.

• Stacking blocks
• Concrete block, ALC panel, extrusion molded cement board construction

This catalog introduces concrete products handled by Akagi Shokai. It features "PreGuard II (Precast Guardrail Foundation)" which eliminates the need for scaffolding in front of the retaining wall, as well as the "F-type Foundation Block" which streamlines the formwork construction for block retaining walls and the leveling process at the foundation top. Additionally, we offer a lineup that includes the "Gunma Prefecture Type Deep Groove Drainage Ditch" and "Catch Basin," so please make use of this for selecting products. 【Featured Products (Excerpt)】 <Retaining Walls> ■ PreGuard II (Precast Guardrail Foundation) ■ Smooth Surface Retaining Block ■ Split Retaining Block ■ Polaris *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• Concrete Retaining Wall
• Stacking blocks

We would like to introduce the "ALW-R1 Reverse L-Shaped Retaining Wall" that we handle. It can accommodate a 10% slope at the top of the wall, making it suitable for road gradients. It is designed to support a uniformly distributed load of 10 kN/m² (for roadway use). The "ALW-R1-F" is a flat product with a total height dimension (H) at 100mm pitch, while the "ALW-R1-S" is a product with a sloped top. 【Features】 ■ Designed to support a uniformly distributed load of 10 kN/m² (for roadway use) ■ Designed considering the soil in front of the retaining wall and the active earth pressure ■ Can accommodate a 10% slope at the top of the wall ■ Suitable for road gradients *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• Concrete Retaining Wall

We would like to introduce our precast L-shaped retaining wall 'ALWII-TYPEC'. It is designed to withstand a uniformly distributed load of 10 kN/m². It complies with the standards of the Building Standards Act and the Land Development Act for residential land development. Please feel free to consult us when you need assistance. 【Soil Conditions and Others (Excerpt)】 ■ Lateral earth pressure coefficient of backfill soil: KA=0.35 (According to Article 7, Table 2 of the Enforcement Order of the Land Development Act) ■ Unit weight of backfill soil: γt=18.0 kN/m³ (According to Article 7, Table 2 of the Enforcement Order of the Land Development Act) ■ Unit weight of reinforced concrete: γc=24.0 kN/m³ *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• Concrete Retaining Wall

We would like to introduce our precast L-shaped retaining wall 'ALWII'. It is designed to support a uniformly distributed load of 10 kN/m². The allowable bending compressive stress for concrete is σca=12 N/mm², and the allowable shear stress is τca=0.26 N/mm². Please feel free to consult us when you need assistance. 【Allowable Stress (Excerpt)】 ■Concrete 　・Allowable bending compressive stress: σca=12 N/mm² 　・Allowable shear stress: τca=0.26 N/mm² ■Reinforcement 　・SWM: σsa=140 N/mm² 　・Young's modulus ratio: n=Es/Ec=15 *For more details, please refer to the PDF document or feel free to contact us.

• Retaining wall
• Concrete Retaining Wall

We would like to introduce our precast L-shaped retaining wall 'ALW-TYPE1'. It is designed to support a uniformly distributed load of 10 kN/m², and it has obtained JIS II class certification for "50F to 250F". The design standard strength of the concrete is σck=36 N/mm², and the allowable shear stress is τca=0.26 N/mm². Please feel free to consult us when you need our services. 【Allowable Stress (Excerpt)】 ■Concrete - Design Standard Strength: σck=36 N/mm² - Allowable Bending Compressive Stress: σca=12 N/mm² ■Reinforcement - SD295A, SD345: σsa=160 N/mm² - SWM: σsa=140 N/mm² *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• Concrete Retaining Wall

In this catalog, we introduce the 100% polyester 'STK Net', developed in response to requests for a rust-free net to replace traditional aquaculture wire mesh. We also feature "Rust Prevention Works," "F-REN Mat (Embankment Protection and Stabilization)," and "STK Guard Net (Fall Prevention and Small Animal Intrusion Prevention)." The properties of being rust-proof and rot-proof are particularly effective in areas with severe salt damage near coastlines, volcanic regions, and places where wire mesh has a short lifespan due to coastal and riverbank construction. [Contents (Excerpt)] ■ High Durability STK Net (Rockfall Protection) ■ Rust Prevention Works ■ Other Usage Examples ■ F-REN Mat (Embankment Protection and Stabilization) ■ STK Guard Net (Fall Prevention and Small Animal Intrusion Prevention) *For more details, please refer to the PDF document or feel free to contact us.

• Net fence
• Fences, screens, and partitions
• Safety and consumables

The "SF (Speed Form) Method" has been adopted in over 3,100 cases for retaining walls, valley stop works, etc., by the Ministry of Land, Infrastructure, Transport and Tourism, the Forestry Agency, and prefectures. To suppress cracking of concrete during the construction of concrete retaining walls, a "wooden stop form" that fixes joint materials installed at intervals of 10 to 20 meters is replaced with "slate boards" and "vertical steel materials" that have performance and functionality equal to or greater than the poured concrete, allowing for the construction of permanent embedded forms. This enables the simultaneous construction of multiple spans, significantly shortening the construction period for concrete structures. 【Features】 ■ Multiple spans can be constructed simultaneously during concrete pouring ■ Eliminates the hassle of removing forms ■ Allows for proceeding to the next process regardless of the concrete's stripping strength ■ Ensures sufficient curing, preventing temperature drop and drying of the surface of the poured concrete *For more details, please refer to the PDF materials or feel free to contact us.

• Civil Engineering Method
• Formwork material
• Road construction

We would like to introduce our "PFL Prefence L-shaped retaining wall." By eliminating the need for traditional independent foundations, there is no dead space, allowing for effective use of the site. The PFL features an integrated foundation, so only the installation of the retaining wall is required. Please feel free to consult us when you need assistance. 【Features】 ■ Wind pressure resistance up to 36m/s ■ Effective use of the site ■ Good workability with integrated foundation ■ Compatible with P-type (sidewalk protective fence) *For more details, please refer to the PDF materials or feel free to contact us.

• Fences, screens, and partitions

The 15 types of "sediment control dam blocks" designed for vertical use, ranging from 0.5 to 0.7 (in increments of 0.05), are all self-supporting, providing high stability during construction and making work easier. Even when the slopes on the front and back of the dam differ, this product is designed so that the vertical height of one layer is consistently 1.5m, allowing for a concrete placement height of 1.5m for the embankment. By applying stone planting and decorative elements to the front, it enables the construction of dams that match the natural landscape. 【Features】 ■ Self-supporting precast blocks ■ Design tailored for each slope ■ Does not compromise the landscape ■ Excellent cost-effectiveness ■ Made to order *For more details, please refer to the PDF document or feel free to contact us.

• Civil Engineering Method
• Formwork material
• Erosion control works

This catalog introduces the exterior products handled by Akagi Shokai. It features a variety of products, including the "Good Rib 12・15," a filling joint block that creates a luxurious modern appearance, the "D Win 17," which can also be used as a retaining block for boundaries, and the "Join 10・12・15," which does not require vertical joint finishing. Please make use of this for selecting products. [Contents (partial)] ■ Decorative blocks ■ Concrete blocks ■ CP type formwork retaining walls ■ Paving materials ■ Product handling materials *For more details, please refer to the PDF document or feel free to contact us.

• Exterior Materials
• Concrete block, ALC panel, extrusion molded cement board construction

"Levelock" is a large, self-supporting block for stacking. The wall body weight, integrity, and concrete strength as a block masonry retaining wall are equal to or greater than standard designs, allowing for use similar to general masonry blocks. It can stand horizontally at all sizes and slopes, enabling anyone, even those without skilled experience, to easily, safely, and quickly carry out construction. 【Features】 ■ Excellent structural stability ■ Easy, safe, and fast construction ■ Outstanding cost-effectiveness ■ Usable for land development work ■ Matches various environments *For more details, please refer to the PDF materials or feel free to contact us.

• Stacking blocks
• Various blocks

"Guardian II" is a large, modular block that can accommodate various types of retaining walls (gravity type, cantilever type, and counterfort type) as well as reinforced concrete construction methods. The setback width of the block can be freely set and changed to be 500mm or more. You can choose an economical and efficient stable width. Since it is a large block assembled in the factory, installation at the construction site can be done simply by stacking the blocks. 【Features】 - Freely adjustable and economical - Compatible with various construction methods - Lighter than conventional blocks - Only stacking work required at the construction site - Safe and rapid significant reduction in construction time - Dramatically improved seismic resistance *For more details, please refer to the PDF document or feel free to contact us.

• Stacking blocks
• Various blocks

The "SR Fence" is a rockfall protection fence that can be easily installed along roadsides. It consists of concrete blocks arranged on the slope of the road, with wire ropes and nets installed on posts inserted at the connection points, capable of stopping rockfalls with kinetic energy levels below 6 kJ. The net on the barrier is made of lightweight rigid fiber mesh, making it easy for one person to carry, and installation can be completed in one to several days. 【Features】 - Can be installed immediately in hazardous areas without the need for on-site or land surveys. - Installation is completed in one to several days since only the product needs to be set up. - Designed with a simple structural component that does not require special construction techniques, making it easy to install. - Safety during installation is improved as there are no high-altitude work or tree-felling tasks involved. - Economical as there are no outsourcing or land costs required. *For more details, please refer to the PDF materials or feel free to contact us.

• Protective fence

"Wataremasen LIGHT" features a "honeycomb (hexagonal) structure" that makes it difficult for wild boars and deer to cross. Each unit weighs approximately 20 kg, yet it has been confirmed through actual vehicle passage tests to have a load-bearing capacity equivalent to a total weight of 4 tons. Additionally, the structure allows for easy installation by placing the units on flat ground and connecting them in width and depth using bolts. It is also possible to secure them to the ground using anchors. 【Features】 ■ A "honeycomb structure" that balances lightness and load-bearing capacity ■ Utilizes a special olefin-based cross-linked resin ■ Minimal physical property changes under ultraviolet light and low-temperature environments, allowing for long-term use ■ Excellent strength, impact resistance, and chemical resistance (especially alkali and acid resistance) ■ Equipped with drainage space underneath the unit, allowing for water treatment using hoses when sediment accumulates *For more details, please refer to the PDF document or feel free to contact us.

• Pest and insect control products

This is a product that streamlines the formwork and leveling process at the top of the foundation work for block retaining walls. Particularly in river construction, the time for water replacement can be significantly reduced. The core concrete for the bedrock can be poured simultaneously with the filling of the foundation blocks without using formwork.

• Road facilities

The "Scrum Guard" is a vehicle protection fence foundation that constructs a continuous foundation at the separation between the sidewalk and the roadway. As a precast product, it can reduce the time required for formwork installation and concrete curing compared to cast-in-place continuous foundations. Its small cross-section allows for effective use of roadway width. Additionally, five different specifications are available according to the construction length, enabling the selection of an economical cross-section. 【Features】 - Its small cross-section compared to cast-in-place continuous foundations allows for effective use of roadway width. - Economical cross-section selection is possible. - The product's connection parts are bolted using connecting materials, making replacement easy. - Compatible with curved construction (inner curve: R=11m, outer curve: R=13m). - Usable for type B and type C deflection-resistant fence foundations. *For more details, please refer to the PDF materials or feel free to contact us.

• Paving Materials
• Protective fence

The "CP-type formwork" is a structural material that enables vertical construction of approximately 3 meters in height through a method certified by the Minister of Land, Infrastructure, Transport and Tourism. By introducing new web positions, shapes, and dimensions, it greatly increases the freedom of rebar placement, resolving the structural weaknesses that traditional blocks had. With a small web ratio and smooth concrete filling, it ensures continuity and uniformity of the concrete, demonstrating excellent performance (strength). Additionally, it surpasses conventional blocks in terms of workability, reliability, and aesthetics, allowing for effective use of the site. 【Features】 ■ Enables vertical construction of approximately 3 meters ■ Allows for effective use of the site ■ Symmetrical shape both horizontally and vertically ■ Outstanding workability ■ High performance For more details, please refer to the catalog or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our "Porous Split Block." By using a split texture, the pattern and brightness of the landscape harmonize with the river environment. The porous blocks promote the growth of plants at the water's edge, making the shoreline less distinct. Please feel free to consult us when needed. 【Features】 ■ Builds a vegetation foundation that includes microorganisms and aquatic small animals ■ By using a split texture, the pattern and brightness of the landscape harmonize with the river environment ■ Porous blocks promote the growth of plants at the water's edge *For more details, please refer to the PDF document or feel free to contact us.

• Airport facilities

"Watarenmasen" is a pest control measure to prevent the intrusion of deer and wild boars, featuring a U-shaped drainage channel with grating. The width of the road can be adjusted in 1-meter increments from L=2.0m. The depth can be configured with any number of rows starting from two. Additionally, it is designed to withstand a load of 25 tons, and due to its compact structure, it can be installed using small machinery. 【Features】 ■ Honeycomb structure grating with a diameter of 8 cm, making it difficult for deer and wild boars to cross ■ Effective as a measure on roads where wire mesh or fences cannot be installed ■ The width of the road can be adjusted in 1-meter increments from L=2.0m ■ The depth can be configured with any number of rows starting from two *For more details, please refer to the PDF document or feel free to contact us.

• Grating

"Pregard II" is a precast protective fence foundation with a height of approximately 50 cm. It complies with the concrete standard guidelines as an "easily replaceable small structure." Due to its lightweight, it can be constructed using small machinery, which reduces construction time and halves the required machinery, thereby conserving energy. Additionally, when replacing guardrails on existing retaining walls, it can be addressed by demolishing and installing 0.5 meters from the top. 【Features】 ■ 70% reduction in construction time ■ No need for adjustment concrete when installed on the back of L-shaped retaining walls ■ Reduction in waste disposal due to no need for formwork ■ Curved and longitudinal construction is possible ■ Economic efficiency comparable to cast-in-place structures *For more details, please refer to the PDF materials or feel free to contact us.

• Dam construction
• Concrete Machinery
• Wood processing