FALLING-STONE PREVENTIVE DEVICE

PROBLEM TO BE SOLVED: To provide a falling-stone preventive device, by which a pumice is fixed surely under the state, in which natural environment is preserved extremely, without cutting down standing timber on a slope and falling stones can be prevented. SOLUTION: A plurality of first wire ropes 4...

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Bibliographic Details
Main Authors CHUMA YOSHIAKI, MASAKI SATOSHI
Format Patent
LanguageEnglish
Published 25.01.2000
Edition7
Subjects
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PROBLEM TO BE SOLVED: To provide a falling-stone preventive device, by which a pumice is fixed surely under the state, in which natural environment is preserved extremely, without cutting down standing timber on a slope and falling stones can be prevented. SOLUTION: A plurality of first wire ropes 4, in which tips are fixed by support anchors 7, are tensed crosswise under the state, in which the wire ropes 4 are passed on pumices 3 through sections among the wire ropes 4 and standing timber 2, on a slope 1 dotted with the standing timber 2 and the pumices 3 while the crossed sections of these first wire ropes 4 are clamped by cross clips 8, and the first wire ropes 4 are retained under the state, in which the wire ropes 4 are placed along the undulations of the slope 1. The pumices 3, which may fall, are fixed separately by second wire ropes 5 and support anchors 6 at the tips of the wire ropes 5.
Bibliography:Application Number: JP19980195582