Introducing a wide variety of repair methods, materials and machinery developed to maintain the original functions of road structures.
Investigation, diagnosis and repair technology in girder narrow space
NSRV method
It is a construction method that enables visual confirmation of the narrow space between girder end spaces and investigation of the amount of salt in the girder, as well as repairs within a limited time.
Bridge extension device
Koyuma still water construction method
We have developed a small water stop construction method that allows water to be stopped in a narrow space.
ワイヤロープ・スペーサー
**MPRO® ワイヤロープ・スペーサー**
ワイヤロープ事故復旧工事の必需品!
橋梁張出部漏水対策
簡易水切り
橋梁張出部下面や桁側面の長寿命化を図ります。
Cancan Pittan T-type
It prevents the intrusion of water, fallen leaves, and other deposits that may get into the vehicle weighing scale pit, significantly reducing the burden of cleaning work and lowering the risk of equipment failure.
ツイストポールP
(簡易着脱式車線分離標)
Lane separation marker that can be attached and detached simply by pushing and twisting
Drain pipe free arm
(Bridge drainage pipe flexible mounting bracket)
It is a bridge drainage pipe flexible mounting bracket that does not require detailed distance measurement from the structure such as the bridge to the drainage pipe.
硬速コンクリート
(床版コンクリート補修用速硬・高耐久断面修復材)
A repair material that is a set of premix type powder and special aggregate, and is ideal for partial repair of RC floor slabs.
A solid parent band, a solid united band
(Improved parent-child band for mounting brackets for guard fence columns)
Revolutionary metal fittings that prevent damage to mounting metal fittings such as small signs and line-of-sight guide signs
Enmaru-kun (Temporary 2-lane simple separation center line curb)
This is a temporary 2-lane simple separation center line curb with a shape that is unlikely to be damaged if the plow of a snow plow contacts.
Cover for wire rope support
Cover for improving visibility of wire rope columns
E-construction S&SD drain
舗装浸透水排水装置
This is a new type of drain that has the function of draining the shoulder pavement headwater belt and draining the water between the pavement and the floor slab.
E-construction SPチェーン
エネルギー吸収型 チェーン式落橋防止装置
The plastic deformation of the slit steel pipe effectively absorbs the kinetic energy during a large-scale earthquake.
E-construction ソフト・ブラケット
ケーブル支持金具

「過酷な環境に耐える進化した支持材 - トンネル内配線支持材の新製品」
Skit screen (Screen for vertical drain)
Prevents the invasion of small animals and improves the maintainability.
Elast drain (Soft PVC gutter)
Used to prevent water leakage from seams such as box culverts.
2-way drain (Drainage groove for road flooding)
Prevents flooding of the road by dropping submergence that occurs at a part with a gentle vertical gradient into the internal canal and guiding it to the connected catchment basin.
LVO seal (Normal temperature low viscosity penetrable emulsion)
It is a room temperature type low viscosity penetrable emulsion that can fill not only the surface of pavement but also deep cracks and prolong the life of existing pavements with strong adhesion.
車載式草刈機

草刈の作業改善及び安全性・効率性を高めます。
Guardrail strut extraction machine
It can deal with all forms of post damage and leads to a reduction in traffic regulation time.
FRP(エフ・アール・ピー)
ボルトレス・ケーブルラック
A new concept [cable rack] is born!!
Unlucky (Middle wire rope attachment / detachment tool)
It is a product that can easily shorten the time required for rotating the turnbuckle, which was done manually, by using an electric tool. Equipped with a entanglement prevention device on the rotating part, you can work safely.
Bridge girder bottom repair technology
It is possible to hang the concrete in the narrow part of the girder end of the bridge upper part by the water jet method WJ(R) which digs into the narrow part of the minimum 12 cm.
Bridge clearance repair technology
RC 中空床版橋の橋梁遊間部(25mm 以上)の調査・診断・補修を実現しました。
Precast RC/Smart Wall
A precast RC panel is installed as a formwork, and by filling the inside with grout mortar, it is integrated and realizes quick and cheap repair of concrete structures.
Guardrail scraper
Anyone can easily lift the stacked guardrail beams (about 70 kg/sheet).
Hydraulic small pillaring machine
It is a lightweight and compact device that enables you to pull out the protective fence pillars quickly, safely and reliably.
Gc(ジーシー)プレッシャー
(路肩ガードケーブル緊張機)
油圧引きシリンダを使用したガードケーブルの緊張機。手動油圧ポンプで誰でも簡単に作業できます。
ワイヤロープ支柱引抜器

変形したWR支柱も楽々引き抜ける!