JPS59144023U

JPS59144023U - Rockfall prevention facility

Info

Publication number: JPS59144023U
Application number: JP3718483U
Authority: JP
Inventors: 入岡　康隆; 徳元　博志
Original assignee: 帝国産業株式会社
Priority date: 1983-03-14
Filing date: 1983-03-14
Publication date: 1984-09-26
Also published as: JPS6214163Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の落石防止施設の全体図、第２図ａは従来
のネット支持装置の正面図、第２図すは同図ａの■−■
線矢視図親図２図Ｃは第２図ｄの■−■線矢視図親図２
図ｄは同図ａのＩＶ−ＴＶ線矢視親図第２図ｅは同図ａ
の■−■線断面図、第３図は従来のアンカーアッセンブ
リを用いた場合のベースプレートの設置断面図、第４図
ａは本考案のネット支持装置の正面図、第４図すは同図
ａのＶｌ−ＶＩ線矢視親図第４図Ｃは同図ａのＩＸ−Ｊ
Ｘ線矢視図、第４図ｄは同図ａのＸ−Ｘ線断面図、第４
図ｅは同図ａの■−■線断面図である。１・・・落石防止施設、２Ａ・・・支柱、２ａ・・・先
端、２ｂ・・・ウェブ部、２Ｃ・・・ウェブ面、２ｄ・
・・フランジ部、３．３ａ・・・傾斜地面、３Ａ・・・
基礎地盤、４・・・縦ロープ、５・・・落石防止ネット
、６・・・ポケット部、７・・・吊りロープ、２０・・
・ネット支持装置、２１・・・ベースプレート、２１ａ
・・・下面、２１ｂ、２１Ｃ・・・ベースプレートの側
面、２１Ａ・・・「コ」の字状の一体物、２２・・・ア
ンカー穴、２４ａ、２４ｂ・・・支持穴、２５Ａ、２５
Ｂ・・・ロープ取付はプレート、２７・・・スペーサ円
筒。Fig. 1 is an overall view of a conventional rock fall prevention facility, Fig. 2 a is a front view of a conventional net support device, and Fig. 2 shows ■-■ in Fig. a.
Figure 2 C is the parent figure 2 of the ■-■ line arrow view in Figure 2 d.
Figure d is a parent view of the IV-TV line in Figure a. Figure 2 e is the same figure as Figure 2.
Figure 3 is a sectional view of the installation of the base plate when using the conventional anchor assembly, Figure 4a is a front view of the net support device of the present invention, Figure 4a is the same figure. Figure 4C is the Vl-VI line arrow-view parent diagram of IX-J in the same figure a.
The X-ray arrow view, Figure 4 d is the X-X cross-sectional view of Figure a, Figure 4
Figure e is a sectional view taken along the line ■--■ of figure a. 1... Rockfall prevention facility, 2A... Pillar, 2a... Tip, 2b... Web part, 2C... Web surface, 2d...
...Flange part, 3.3a...Slope ground, 3A...
Foundation ground, 4... Vertical rope, 5... Rockfall prevention net, 6... Pocket portion, 7... Hanging rope, 20...
- Net support device, 21... base plate, 21a
...Bottom surface, 21b, 21C...Side surface of base plate, 21A..."U-shaped" integral part, 22...Anchor hole, 24a, 24b...Support hole, 25A, 25
B... Rope attachment is on plate, 27... Spacer cylinder.

Claims

[Scope of utility model registration request]

(1) A rockfall prevention net is attached to vertical ropes suspended from the tips of an appropriate number of pillars set up on a sloped ground, and this rockfall prevention net and sloped ground form pockets for storing falling rocks. In addition, in a rockfall prevention facility in which a hanging rope is stretched between the pillar and the sloped ground above the pillar to prevent the pillar from tilting, a base plate for erecting the pillar on the sloped ground is attached to one of the lower surfaces of the rockfall prevention facility. The pillar is rotatably installed in the foundation ground through two anchor holes, and the pillar is rotatably supported through a support hole drilled in the side surface of the base plate. A pair of rope attachment plates for attaching ropes and hanging ropes,
The net support device is fixed to the flange portion so as to sandwich the web portion of the strut and face the web portion at a position separated from the web surface. Rockfall prevention facility characterized by having.

(2) The rockfall prevention facility according to claim 1, wherein the base plate is an integral piece with a U-shaped cross section.