This depends on transmission owner's decision. Annealed aluminum wire has advantages in terms of conductivity and available temperature, although hard-drawn and TAL wire have advantages with regard to installation work.
Round aluminum wire is available for ACFR. If better sag performance is required, round aluminum wire is better, but there is the disadvantage of transmission loss compared to trapezoidal aluminum wire.
CFCC exhibits superior features of carbon fiber in its characteristics that no other cable can; high tensile strength, high tensile modulus, light weight, high corrosion resistance, non magnetic interact, and low linear expansion rate. Also its stranded construction enables easy handling because the cable canbe coiled on a reel, and a reel can accommodate a kilometer-long cable.
Conventional terminal fixers cannot be used for CFCC cable-end. Special terminal fixers are needed for CFCC; WS type for pre-tensioning and ES/EM type for post-tensioning. While ES/EM type terminal fixers are attached at Tokyo Rope International factory, WS types are attached at site. For further information, please contact us from our inquiry form.
Altogether, we have provided about 500,000㎡ of slope disaster prevention systems outside Japan,most of which in Russia and Kazakhstan. Recently the number of installations are increasing in countries such as Saudi Arabia and Philippines.
After an organization (private or public) provides a purchase order to a constructor, Tokyo Rope may either introduce a skilled company that can install our products to the site, or hold a training program for the constructor, and proceed the construction accordingly to the technical documents created in Japan with greatest care and precision.Most importantly, the construction needs to be proceeded with safety and efficiency under the supervision of quality and operation management technologies that have been improved through Japan's strict management practices.
By introducing appropriate systems and cooperating in designs with the library of technological documents created through our 50 years experience, Tokyo Rope can make a proposal with the most functional yet economical countermeasure plans.