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7367075 |
Girder bridge protection device using sacrifice member
A girder bridge protection device. The girder protection device includes a sacrifice member having girders installed on an upper surface of a bridge seat of an abutment or pier to support a bridge ...
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7346432 |
Earthquake disaster prevention system
An earthquake disaster prevention system having: an estimation section to estimate a size of an earthquake from a P-wave of the earthquake detected by the earthquake detector; a stopping control se...
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7340864 |
Elastic supporter, elastic support unit and seismic support unit using same
Elastic support units are provided to at least one of upper and lower track rails of a seismic isolation guide. The elastic support units include two elastic supporters that are superposed one over...
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7338035 |
Foundation shock suppressor
A shock suppressor has at least two sliding units stacked in an alternate manner, and each sliding unit consists of a moving base, a connecting base and at least one rod. The connecting base is mov...
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7337586 |
Anti-seismic device with vibration-reducing units arranged in parallel
An anti-seismic device is adapted to absorb the vibration energy of a structure, and comprises a plurality of vibration-reducing units, each of which includes a mass, a hydraulic cylinder, and a re...
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7331143 |
Seismic base isolation by electro-osmosis
A structure is isolated from a seismic event by inducing soil liquefaction in an isolation layer beneath the structure and soil foundation zone, such as by activating an electro-osmosis gradient to...
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7325366 |
Snap-in wire tie
A seismic construction system for a cavity wall is disclosed. The system is shown in three exemplary applications—a masonry backup wall with ladder- or truss-type reinforcement cooperating with a...
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