| 摘要 |
PROBLEM TO BE SOLVED: To obtain a placement reinforcement material which facilitates placing into the soil by a drilling function when placing a body into the soil while, after completing the placing making, the material is difficult to be pulled out of the soil by a function of a pull-out resistant force. SOLUTION: The placement reinforcement material includes the body composed of a long substrate, a placing promotion portion formed at one end of the body and having the function of drilling into the soil, and a spiral-shaped portion having the function of the pull-out resistant force at least at a part extending from the one end toward the other end of the body. COPYRIGHT: (C)2011,JPO&INPIT
|
