| 摘要 |
PURPOSE:To facilitate setting of forms and to improve installing efficiency of protection forms, by a method wherein a circular forms, provided at its inside with an inner brim, is employed, the forms are intercoupled on a line through which the centers of the forms are interconnected, by means of a tie frame, and mortar is blown against a portion between the forms for concreting. CONSTITUTION:A circular forms 1 is disposed in a round portion 13 of a round lattice-shaped slope protection form 12 formed on a face 11 of slope. Holes 9 for insertion of a tie frame are positioned opposite to each other on a line, through which the centers of the adjoining circular forms 1 are interconnected, to insert a tie frame 14 therethrough, and the forms 1 are intercoupled by means of the tie frame 14. Concreting is effected by blowing mortar or concrete 21 against a portion between the forms 1 to form a round lattice-shaped slope protection form 12. This, since the form is shaped in a circle and has the brim, almost prevents deformation of the form, improves strength, reduces the weight of the form, and enables decrease of the number of the tie frames for coupling. |
