L-shaped retaining wall(netis) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
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L-shaped retaining wall Product List

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Guardrail foundation "Pre-Guard 2"

Guardrail foundation "Pre-Guard 2"

Guardrail & Guard Pipe Continuous Foundation Block "PreGuard 2"! (Type A to Type C)

It received a high evaluation in the effectiveness assessment using the NETIS (New Technology Information System) and was selected as a "quasi-recommended technology." NETIS registration: SK-060003-V (old number) It can also be applied to reinforced earth walls! Being a precast product allows for a reduction in construction time. It is lightweight, enabling construction with small machinery. It is a low-carbon concrete product made using blast furnace slag fine powder.

  • Protective fence

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Concrete setting delay agent "Dispalite" (joint treatment agent)

Concrete setting delay agent "Dispalite" (joint treatment agent)

Registered in the Ministry of Land, Infrastructure, Transport and Tourism's "New Technology Information Provision System"! Design Comparison Target Technology

Dispalite is a concrete joint treatment agent and setting retarder that provides excellent uniformity and high-quality joint surfaces, ensuring safe and reliable results. The standard type "Dispalite CR" for horizontal joint treatment delays the setting of concrete by spraying the concentrated solution when the bleeding water has receded after concrete placement, allowing for efficient and effective joint treatment. Additionally, we offer Dispalite ER, which further extends the setting delay time, and Dispalite DV, designed for vertical concrete joints. 【Features】 ○ Uniformity → Achieves a high-quality joint surface that is uniform and free of inconsistencies. ○ Reliability → Significantly alleviates time constraints during work, enabling efficient and reliable joint treatment operations. ○ Safety → No adverse effects on concrete or reinforcing steel. ○ Former NETIS registration number: No. KK-990050-V certified as "Design Comparison Target Technology" (registration ended). For more details, please contact us or download the catalog.

  • Bentonite

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Retaining wall, L-shaped retaining wall, TP wall, also available with fence foundation for snow load rank 3.

Retaining wall, L-shaped retaining wall, TP wall, also available with fence foundation for snow load rank 3.

It is an L-shaped retaining wall and an inverted T-shaped retaining wall with a rich variety. The TP wall's internal and external fence foundations have obtained [NETIS] KK-140030-A.

- This is an L-shaped retaining wall block with a rich variety of options. - It can accommodate soil conditions such as gravelly soil, sandy soil, and clayey soil. - The standard type has obtained JIS Class 2 certification. - We can propose products that adapt to various usage conditions, including types with external foundations, internal foundations, thin internal fence foundations for development sites, reverse T-shaped types, reverse L-shaped types, and types compatible with vertical gradients at the top of the retaining wall. - The types with external and internal foundations are precast L-shaped retaining walls with integrated foundations for "snow-resistant pedestrian guard pipes (Type P) for snow load rank 3," registered under NETIS No. KK-140030.

  • Retaining wall
  • Secondary paving products
  • Various blocks

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Precast L-shaped retaining wall with foundation for vehicle protection fence 'SL-G'

Precast L-shaped retaining wall with foundation for vehicle protection fence 'SL-G'

Industry first! Vehicle protective fence with a foundation that can process vertical walls at an angle, PCa L-shaped retaining wall.

■NETIS CB-100045-A (Publication Ended) ■This is an L-shaped retaining wall for roads, standardized in accordance with the "Guidelines for Road Earthworks - Retaining Wall Works" and "Installation Standards and Explanations for Protective Fences," which integrates a foundation for vehicle protective fences. ■By integrating the L-shaped retaining wall with the vehicle protective fence foundation, significant cost reductions and shortened construction periods are achieved, while maximizing the road width. ■It is possible to perform a sloped cut at the top, allowing installation without tilting the product even on road longitudinal slopes of about 15%. ■The standard product can accommodate horizontal alignments with a minimum radius of approximately R=20m. ■Standardized heights range from H=1,000 to 4,000.

  • Retaining wall

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Guardrail foundation integrated L-shaped retaining wall "Guard Cliff"

Guardrail foundation integrated L-shaped retaining wall "Guard Cliff"

The "Guard Cliff," which integrates a guardrail foundation with an L-shaped retaining wall, allows for significant reductions in construction time.

○ "NETIS Registration: QS-110007-A (Old Number)" Guardrail Foundation Integrated L-Type Retaining Wall "Guard Cliff" ○ By integrating the guardrail foundation and the L-type retaining wall, significant cost reduction and shortening of construction time have been achieved. ○ The guardrail foundation integrated L-type retaining wall "Guard Cliff" is a low-carbon concrete product made using blast furnace slag fine powder.

  • Retaining wall

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Integrated L-shaped retaining wall for vehicle protective fence, Gr. L-shaped retaining wall

Integrated L-shaped retaining wall for vehicle protective fence, Gr. L-shaped retaining wall

Integrated L-shaped retaining wall for vehicle protective fence, Gr. L-shaped retaining wall

This is a precast L-shaped retaining wall that has a foundation integrally molded for the installation of type C or type B vehicle protective fence posts on the vertical wall section. It has been verified through full-scale collision tests for the stability and strength of the retaining wall against collision loads, as well as the vehicle guidance performance and off-road deviation prevention performance of the vehicle protective fence. 【Features】 ○ It can be used as a guardrail foundation above methods such as reinforced earth wall construction, or it can be constructed directly on a foundation. ○ Construction is possible on longitudinal slopes (up to 15%) and in curved sections. ○ Registered with NETIS (QS-030051-V). ○ Obtained construction technology review certification (Construction Technology Review Certificate No. 0438). ● For other functions and details, please contact us.

  • Reinforced earth wall
  • Dam construction
  • Retaining wall

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Manual-compliant L-shaped retaining wall (MJL)

Manual-compliant L-shaped retaining wall (MJL)

Shikoku Regional Development Bureau Standard L-shaped Retaining Wall

This is an L-shaped retaining wall that complies with the "Precast L-shaped Retaining Wall Design and Construction Manual (Draft) Revised Edition December 2001" (Shikoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism). We offer four types: Type 1 (Standard Type), Type 2 (Straight Type), Type 3 (25 cm Cut Type), and Type 4 (50 cm Cut Type).

  • Retaining wall

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Precast concrete products for road use - precast guardrail foundation

Precast concrete products for road use - precast guardrail foundation

Excellent workability and outstanding in reducing construction time.

When installing guardrails using conventional methods, issues arise such as the tensile stress of the vertical wall exceeding the allowable value and instability against overturning. As countermeasures for conventional methods, increasing the thickness of the members or adding reinforcement for stress, and widening the base plate for overturning are some of the solutions. To address these issues, we have developed an independent protective fence foundation called "Precast Guardrail Foundation."

  • Dam construction
  • Erosion control works
  • Retaining wall

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