JPH0247242U

JPH0247242U -

Info

Publication number: JPH0247242U
Application number: JP12696888U
Authority: JP
Priority date: 1988-09-28
Filing date: 1988-09-28
Publication date: 1990-03-30

Description

[Brief explanation of drawings]

第１図は本考案に係る通しボルト装置の実施例
を示す一部切截した正面図、第２図は第１図の分
解拡大部分図、第３図は本考案に係るコンクリー
ト構造物の実施例を示す斜視部分図、第４図は第
３図の拡大横断面部分図、第５図は構築の状況を
説明する横断面図、第６図、第７図、第８図は従
来例の断面図である。１……ボルト、４……頭、６……尖鋭端、７…
…案内部片、９，１３……テーパ面、１１……ナ
ツト、２１，２２……部材、２４，２５……くぼ
み、２６，２７……貫通孔。 Fig. 1 is a partially cutaway front view showing an embodiment of the through-bolt device according to the present invention, Fig. 2 is an exploded enlarged partial view of Fig. 1, and Fig. 3 is an implementation of the concrete structure according to the present invention. FIG. 4 is an enlarged partial cross-sectional view of FIG. 3, FIG. 5 is a cross-sectional view explaining the construction situation, and FIGS. 6, 7, and 8 are of the conventional example. FIG. 1...Bolt, 4...Head, 6...Sharp end, 7...
...Guide piece, 9, 13... Tapered surface, 11... Nut, 21, 22... Member, 24, 25... Recess, 26, 27... Through hole.

Claims

[Claims for Utility Model Registration] (1) Recesses 24 on one surface 21c, 22c,
25 and a curved through hole 2 reaching from the recesses 24, 25 to the joint surfaces 21a, 22a.
A plurality of members 21 and 22 made of concrete having holes 6 and 27 are arranged to connect the joint surfaces 21a and 22a to each other and communicate the through holes 26 and 27 with each other, and have a recess 25 on the inner peripheral surface. A cylindrical guide piece 7 having a tapered surface 9 serving as a diameter is fixed to the open end of one of the mutually communicating through holes 26 and 27 to the recess 25, and an arc-shaped bolt having a pointed end 6. 1 is the two through holes 2
6 and 27, and has a tapered surface 13 on the outer peripheral surface of the base that becomes smaller in diameter toward the front.
1 connects the tapered surface 13 to the tapered surface 9 of the guide piece 7.
The adjacent members 21 and 22 are tightened together by being screwed into the tip of the bolt 1 in contact with the bolt 1, and the head 4 of the bolt 1 and the nut 11 are screwed into the respective insides of the recesses 24 and 25. A concrete structure located in (2) An arc-shaped bolt 1 having a head 4 at the base end and a pointed end 6, and a tube into which the bolt 1 is inserted, the bolt 1 having a tapered surface 9 having a larger diameter on the open end side on the inner circumferential surface. A through-bolt device comprising a guide piece 7 having a shape, and a nut 11 that is screwed into the tip of the bolt 1 and has a tapered surface 13 on the outer peripheral surface of the base that becomes smaller in diameter toward the front and comes into contact with the tapered surface 9.