JPS58134405U

JPS58134405U - Road joint expansion device

Info

Publication number: JPS58134405U
Application number: JP3149882U
Authority: JP
Inventors: 元之助新井
Original assignee: Individual
Current assignee: Individual
Priority date: 1982-03-05
Filing date: 1982-03-05
Publication date: 1983-09-09

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 drawings]

図面は本考案の実施態様を例示し、第１図は実施例１の
道路継目伸縮装置の橋長方向断面図ζ第２図は同装置を
後打コンクリート打設前の状態で示す平面図、第３図は
実施例２の要部を示す平面図、第４図は第３図のＩＶ−
ＩＶ線における断面図、第５図は実施例３の要部を示す
平面図、第６図は第５図のＶＩ−ＶＩ線における断面図
、第７図は実施例４の継手部材の平面図、第８図は継手
部材の他の例を示す平面図である。１・・・・・・道路継目伸縮装置、２・・・・・・遊間
、３・・・・・・　　−床版、５．　２１．　３１．　
４１．　５１・・・・・・継手部材、６・・・・・・後
打コンクリート、８，２７．３６・・・・・・縦基板、
１１．　２２．　３９．　４２・・・・・・内側突出部
、１２、　２９．　３２．　４３・・・・・・外側突出
部、１４゜２５・・・・・・ジヨイント遊隙、２３．４
４・・・・・・内側突出部の端面、３３．４５・・・・
・・外側突出部の端面。The drawings illustrate embodiments of the present invention; FIG. 1 is a cross-sectional view in the bridge length direction of the road joint expansion device of Embodiment 1; FIG. 2 is a plan view of the device before pouring concrete; FIG. 3 is a plan view showing the main parts of Embodiment 2, and FIG. 4 is the IV-
5 is a plan view showing essential parts of Example 3, FIG. 6 is a sectional view taken along line VI-VI in FIG. 5, and FIG. 7 is a plan view of the joint member of Example 4. , FIG. 8 is a plan view showing another example of the joint member. 1... Road joint expansion/contraction device, 2... Play space, 3... - Floor slab, 5. 21. 31.
41. 51... Joint member, 6... Post-cast concrete, 8, 27.36... Vertical board,
11. 22. 39. 42...Inner protrusion, 12, 29. 32. 43...Outer protrusion, 14°25...Joint play, 23.4
4...End face of inner protrusion, 33.45...
...End face of the outer protrusion.

Claims

[Scope of utility model registration request]

(1) An inner protrusion that protrudes inward from the vertical substrate and an outer protrusion that protrudes outward from the vertical substrate are formed at the upper ends of the vertical substrates facing each other, and the protrusion length of the inner protrusion is The length is 10/100 of the protrusion length of the outer protrusion.
A pair of joint members set to approximately 50/100 times have their upper surfaces approximately aligned with the road surface height at the road joint,
A road joint expansion/contraction device characterized in that the inner protruding portions are disposed oppositely with a joint clearance between them.

(2) The road joint expansion/contraction device according to claim 1, wherein the inner protruding portion has a protruding end surface formed in a wave shape.

(3) The road joint expansion and contraction device according to claim 1 or 2, wherein the outer protruding portion has a protruding end surface formed in a wave shape.