Being the underwater fundamental mound creation device which consists of

摘要

PROBLEM TO BE SOLVED: To provide an underwater foundation mound creating device which is especially effective for horizontal leveling or slope leveling, particularly, in a muddy water working area poor prospect by self-traveling an underwater back hoe submerged in water such as sea bottom on a traveling rail, and automatically controlling a series of back hoe motions by remote control on a work barge. ;SOLUTION: A traveling rail 10 is transversely extended on the end part of a rudder 2 having a length reaching a water bottom when inclined and submerged, a pair of outriggers 25 are vertically provided on both lateral end parts of the traveling rail 10, respectively, and their heights from a sea bottom 30 on which the outriggers 25 are seated are independently regulated to ensure the horizontal level of the traveling rail 10. A self-traveling back hoe device 20 is transversely moved on the traveling rail 10 while performing a preparing work. Namely, a bucket 24 which is a fitting attachment according to the kind of preparing work is mounted on the tip part of a working arm which performs an expanding and contracting motion. On a work barge 1, including its own position and the height regulating operation of the outriggers 25 in the working sea area, the coordinate position of the back hoe device 20 based on its own position, and the working track of self-traveling and the bucket 24 are program-controlled to create a lengthy slope 31 having a prescribed inclination.;COPYRIGHT: (C)1999,JPO