Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR REPAIRING AND TREE PLANTING ON DETERIORATED MORTAR-SPRAYED SLOPE
Document Type and Number:
Japanese Patent JP3234866
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for repairing and tree planting of a deteriorated mortar-sprayed slope in accordance with the deterioration of an existing mortar- sprayed layer on a slope of the natural ground.
SOLUTION: This method for repairing and tree planting of a deteriorated mortar-sprayed slope is provided with processes in which a state of an existing mortar-sprayed layer 12 is investigated and analyzed in advance by an infrared ray diagnostic method. It has a process in which grout 25 is filled into a cavity on a rear surface of the existing mortar-sprayed layer 12, a process in which a hollow bolt or a twisted wire bolt is provided, a process in which a steel fiber reinforced concrete layer 14 is sprayed on the existing mortar-sprayed layer 12, a process in which a root guide hole 26 passing through the steel fiber reinforced concrete layer 14 and the existing mortar-sprayed layer 12 and reaching the natural ground 60 is drilled, a process in which a tree root guiding material is filled into the root guide hole 26, and a process in which a growth ground material layer 16 in which seeds of trees and plants are mixed is sprayed on the steel fiber reinforced concrete layer 14.


Inventors:
Goroe Matsushima
Tomio Kikuchi
Akira Yonemura
Hiroshi Yoshida
Application Number:
JP9293898A
Publication Date:
December 04, 2001
Filing Date:
April 06, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Toko Construction Co., Ltd.
International Classes:
E02D17/20; (IPC1-7): E02D17/20
Domestic Patent References:
JP925633A
JP6108471A
JP5088805A
Attorney, Agent or Firm:
Takashiro Kojima