Underground structures connected to each other are often owned by different organizations, designed under different building codes, and constructed in different periods. [...]

In this study, for the purpose of improving telecommunication network reliability at the river crossing section (in this study river crossing pipes attached to road bridg [...]

Communications conduits contribute to more-efficient operation and maintenance of underground cables, and must provide protection for the cables within the conduits when [...]

In recent years, due to the effectiveness of reducing external force, many base-isolation buildings such as offices and hospitals have been constructed. However, in cases [...]

Evaluation of the seismic performance of a buried pipeline changes depending on whether the pipe slips against the surrounding soil. When slippage occurs, stress and stra [...]

For protection from unexpected large-scale disasters, NTT Group has been tackling various measures based on the basic anti-disaster policies of “Enhancing communication [...]

Most of the container cranes were damaged in Kobe port during the 1995 Hyogoken-Nambu Earthquake. Because the container operation could not be performed, various type of [...]

This paper examined the effect of aged deterioration of structural members and joints on the earthquake response of a traditional Japanese wooden temple in Kyoto. First, [...]

During the 2007 Niigata-ken Chuetsu-oki earthquake, a very strong motion was recorded by a vertical array seismic observation system in the TEPCO nuclear power plant, whi [...]

Road information sharing is vital in disaster response, but it still remains today a significant problem in spite of the recent breakthrough of information and communicat [...]