Road bridge pavement reinforcement and deck waterproofing GGRW method
Road bridge pavement reinforcement and deck waterproofing GGRW method
Integration of road bridge pavement reinforcement and deck waterproofing work NETIS No. KK-220072-A NEXCO Grade 1 compliant
The reduction in durability of RC road bridges is influenced by the durability of RC slabs and asphalt pavements, which are interrelated factors. Fatigue caused by wheel loads accumulates fatigue in the RC slabs and asphalt pavement surfaces, leading to cracking. The intrusion of rainwater and de-icing agents from these cracks is believed to accelerate the deterioration of the RC road bridge structure. Therefore, the waterproofing effect and durability of slab waterproofing are emphasized. Additionally, the quick release from the public facility of road bridges during renovation work is also an important perspective. The road bridge pavement reinforcement waterproofing system "GGRW Method" developed this time suppresses cracking in the pavement, minimizes damage to the waterproof layer, and allows for quick release. It significantly improves the film strength of conventional asphalt coating waterproof materials and addresses the adhesion issues between resin-based coating waterproof materials and asphalt pavements. A sheet membrane with continuity that integrates waterproofing and reinforcement is created on-site, effectively bonding the pavement and slab with good adhesion to demonstrate its effectiveness in slab waterproofing methods.
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basic information
Performance Verification Test NEXCO Grade 1A Compatible Construction Method NEXCO Deck Slab Section (Grade 1) and End Section (Grade 2) Overlap Performance Verification Compatible Construction Method Expected Effects Shortened traffic restrictions due to the heated melting method Good workability in renovation construction Crack suppression effect at the joint of PC deck slabs Reinforcement effect of thin-layer pavement Suppression of pothole occurrence Overload resistance Crack suppression effect of the deck slab Crack suppression of the pavement layer Suppression of ruts and flow of asphalt concrete
Price information
7,300 yen per square meter (prices may vary depending on quantity).
Price range
P1
Delivery Time
P3
Applications/Examples of results
Morioka City - Nekozawa Bridge Tondabayashi City - Kongō Bridge Fujioka City - Fujitake Bridge
Detailed information
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Road general contractor, construction company, implementation of trial construction involving various organizations.
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Company information
Supported by a solid foundation of trade cultivated over many years, we engage in the import and export of a wide range of products, including automobiles, machinery, and electrical and electronic equipment, as well as trilateral trade and domestic sales. ○Planning and Organization We facilitate technology transfer and partnerships, and engage in joint ventures and their planning with domestic and international companies, as well as commercialization. ○Financing We provide funding and various forms of support during import and export activities and joint ventures. ○Consulting and Marketing We offer consulting and marketing services related to all aspects of these businesses.