CN100460601C

CN100460601C - Movable wall type dike

Info

Publication number: CN100460601C
Application number: CNB2006101433439A
Authority: CN
Inventors: 片冈保人
Original assignee: Kobe Steel Ltd
Current assignee: Kobe Steel Ltd
Priority date: 2005-11-07
Filing date: 2006-11-06
Publication date: 2009-02-11
Anticipated expiration: 2026-11-06
Also published as: CN1963034A; JP2007126945A; KR20070049054A

Abstract

Provided is a movable wall type dike disposed at the waterside which can induct the water outside the dike into the matrix and process buoyancy on the movable wall to make the matrix project upwards, meanwhile, reliably prevent water entering the dike under flood and tsunami. The dike is the movable wall type dike disposed at the waterside, characterized by having a matrix and a movable wall, wherein the matrix is in box shape disposed with a slight form penetrating the opening part (2), and a water catchment pore (3) disposed at the lateral wall part (1a) on the side of the dike which is lower than the normal water level and closes at other times; a ducted body (5a) is arranged with a wall body (5b) in the movable wall housed in the matrix (1); the water catchment pore (3) opens when the danger of rising abnormally for the water level at the outside of the dike is predicted, wherein the water outside the dike is inducted into the matrix (1) and applies the buoyancy on the movable wall (5) to make the movable wall (5) rise, and makes the wall body (5b) project from the opening part (2) in a standing gesture.

Description

Movable wall type dike

Technical field

The present invention relates to constitute the movable wall type dike of the dyke, shore protection or the tide wall that are arranged on watersides such as seashore, bay, be specifically related to the outer water of dike imported in the matrix and to movable wall effect buoyancy so that its be projected into the matrix top, stop water because rising tide, tsunami etc. enter the movable wall type dike in the dike.

Background technology

In the past,, had the spy and opened the levee body shown in the flat 8-284139 communique, be described with Fig. 4 and Fig. 5 as this levee body.Fig. 4 is a general profile chart of representing the state of levee body when usual in the past, and Fig. 5 is the general profile chart of the state of levee body when water level rises of presentation graphs 4.

As shown in Figure 4, levee body 51 is configured to be arranged on the dyke of the waterside in river etc., in matrix 53 inner chambers of levee body 51, in be provided with movable wall 52 with buoyancy.This matrix 53 is made of the lengthwise casing 53a that has slotted openings portion 54 at upper surface, is provided with a plurality of water-guiding holes 55 outside the dike of casing 53a on the side of a side.The 61st, the water surface when usual.Along with the levee body water level that causes owing to flood or flood tide etc. rises, levee body water flow in the matrix 53 from water-guiding hole 55, as shown in Figure 5, wall body 52a on the buoyancy aid 52b of movable wall 52 is projected on the levee body through the slotted openings portion 54 of casing 53a upper surface, keep wall body base portion 52c to be crimped on state on the roof 53c of matrix 53, stop the outer ascending water overflow of dike.The 62nd, the water surface during flood.This levee body 51 imports to the outer water of dike in the matrix 53, to movable wall 52 effect buoyancy so that its rising, thereby do not use complicated mechanical devices and power, so the influence of mechanical breakdown of not being subjected to or power failure, the reliability advantage of higher of action are arranged.

[patent documentation 1] spy opens flat 8-284139 communique (2-3 page or leaf, Fig. 1 and Fig. 2).

But, in above-mentioned levee body 51 in the past, the usual water level 61 that water-guiding hole 55 is positioned at than the outer water of dike leans on the last position, because the outer water water level of the dike that flood tide, tsunami brings rises very anxious, so movable wall 52 risings that caused by water outside the dike that imports from water-guiding hole 55 might not catch up with above-mentioned water level rising, intake and cause in dike.

Summary of the invention

Given this, problem of the present invention provides and a kind ofly is arranged on the waterside, the outer water of dike is imported in the matrix and makes it be projected into the movable wall type dike of matrix top to movable wall effect buoyancy, this movable wall type dike can predict owing to rising tide, tsunami etc. attack dangerous that water water level abnormality outside the dike rises the time, water outside the state of usual water level begins to utilize dike outside the dike, thereby can be outside dike the water surface make movable wall be projected into enough height before sharply rising, stop reliably to wait to attack in the Shi Xiangdi and intake at rising tide, tsunami.

For solving above-mentioned problem, take following technical scheme in the present invention.

The invention of technical scheme 1 is a kind of movable wall type dike that is arranged on the waterside, it is characterized in that, possess matrix and movable wall, described matrix is the case shape, be provided with elongate on top and run through peristome, and outside dike, be provided with on the side wall portion of a side than the usual water level of water outside the dike by down and the water intaking hole of closing when usual; Described movable wall is accommodated in the above-mentioned matrix, uprightly on ducted body establishes wall body and forms; The water water level abnormality rises outside predicting dike when dangerous, open above-mentioned water intaking hole, from this water intaking hole water outside the dike is imported in the above-mentioned matrix, above-mentioned movable wall effect buoyancy is made this movable wall rise, to run through peristome from above-mentioned elongate outstanding to erect posture to make above-mentioned wall body.

The invention of technical scheme 2, in technical scheme 1 described movable wall type dike, it is characterized in that, be provided with a plurality of rolling elements on the inner surface of above-mentioned matrix, described a plurality of rolling elements contact with the outer peripheral face of above-mentioned ducted body and rotate when above-mentioned movable wall is applied buoyancy and rises.

The movable wall type dike of technical scheme 1, outside the dike of case shape matrix, be provided with than dike on the side wall portion of a side outside the usual water level of water by down and the water intaking hole of closing at ordinary times.Thereby, predict rising tide, when tsunami waits attack dangerous, for a change, by opening above-mentioned water intaking hole, import in the matrix from this water intaking hole with water outside the dike that is in outside the dike under the usual water position status, movable wall effect buoyancy is made movable wall rise, the water surface dike outside sharply makes movable wall be projected into enough height upward from matrix before the rising, thereby waiting can stop in dike reliably when attacking at rising tide, tsunami intakes.

According to the movable wall type dike of technical scheme 2, except above-mentioned effect, the movable wall that has been applied buoyancy in the matrix is risen smoothly.

Description of drawings

Fig. 1 is the partial cross-sectional perspective view of the state of movable wall type dike when usual of expression an embodiment of the present invention.

Fig. 2 is the sectional view of expression movable wall type dike shown in Figure 1 state after the water importing outside with the dike of usual water level.

Fig. 3 is the sectional view of the state of expression movable wall type dike shown in Figure 1 when water level abnormality rises.

Fig. 4 is a sectional view of representing the state of levee body when usual in the past.

Fig. 5 is the sectional view of the state of levee body when water level rises of presentation graphs 4.

The specific embodiment

Following with reference to the description of drawings embodiments of the present invention.Fig. 1 is the partial cross-sectional perspective view of the state of movable wall type dike when usual of expression an embodiment of the present invention.

Usually, movable wall type dike is arranged on watersides such as river, seashore in the mode of a plurality of arranged in series.And, as shown in Figure 1, on the case shape matrix 1 of movable wall type dike, on top wall portion, be provided with the elongate that linearity extends and run through peristome 2, and dike outside, be provided with on the side wall portion 1a of a side than the usual water level 10 of water dike outside by time, a plurality of water intakings hole 3 of usually the time, closing.In this matrix 1, take in the ballast body 4 of thick plate-like and the movable wall 5 of ballast body 4 tops.To be wall body 5b that lengthwise is tabular constitute to erect on the upright upper surface that is located at case shape ducted body 5a of posture movable wall 5, when usual, is accommodated in the matrix 1 under the elongate that wall body 5b is inserted into matrix 1 with less clearance runs through state in the peristome 2.

Above-mentioned a plurality of water intakings hole 3 of the side wall portion 1a of matrix 1 is arranged on and is located on the approaching position of the above-mentioned ballast body 4 of matrix 1 bottom.And,, be respectively equipped with and be used for opening and closing the water intaking hole opening and closing device 6 in this water intaking hole by flashboard with respect to these water intaking holes 3.

In addition, on 4 inner surfaces suitable position separately that forms matrix 1 medial surface, be provided with a plurality of rolling elements 7, this rolling element 7 is bar-shaped, support freely by horizontal rotational shaft, and as the step of ladder, on above-below direction, be spaced from each other predetermined distance ground and arrange the outer peripheral face of the case shape ducted body 5a of a side contacts movable wall 5 opposite in the rolling element outer peripheral face with matrix 1 inner surface.

Here, matrix 1 for example is that steel concrete is made, and the case shape ducted body 5a and the wall body 5b that constitute movable wall 5 for example are that steel concrete is made equally, and ballast body 4 for example is that steel is made.

And the matrix 1 that will possess ballast body 4 certainly is designed to the weight bigger than the buoyancy that is applied to it, and it can not floated at ordinary times.For example, the matrix 1 of steel concrete system is made to become length L=10m, height H=10m, width W=3m, thickness t=0.3m, the ballast body 4 of steel is made to become length L=9.4m, height H=1m, width W=2.4m, usual water level is made as h1=8m.The weight of matrix 1 is by the promptly about 91.3m of the volume of matrix 1 ³* proportion 2.45 is derived as about 224 tons, and the weight of ballast body 4 is derived as 177 tons by 9.4m * 1m * 2.4m * proportion 7.85, and the weight that possesses the matrix 1 of ballast body 4 is about (177+224) ton.On the other hand, buoyancy is derived as 240 tons by 8m * 3m * 10m, and the matrix 1 that will possess ballast body 4 is designed to can not float at ordinary times.In addition, this movable wall type dike is designed to certainly, even be subjected to coming from the soil pressure of land ground when earthquake, also can not slide, overturning.

Fig. 2 is the sectional view of expression movable wall type dike shown in Figure 1 state after the water importing outside with the dike of usual water level, and Fig. 3 is the sectional view of the state of expression movable wall type dike shown in Figure 1 when water level abnormality rises.Wherein, in Fig. 2 Fig. 3, omitted the diagram of water intaking hole opening and closing device 6.

In the movable wall type dike that constitutes like that as mentioned above, for example predict that flood tide and attack dangerous the time, open water intaking hole 3 by water intaking hole opening and closing device 6, thereby before rising tide is attacked, as shown in Figure 2, from water intaking hole 3 water outside the dike that is in outside the dike under the state of usual water level 10 is imported in the matrix 1, to movable wall 5 effect buoyancy movable wall 5 is risen thus, the water surface outside dike can make the wall body 5b of movable wall 5 be projected into enough height to erect posture upward from matrix 1 before sharply rising.Thus, as shown in Figure 3, reach water level 11 at the incoming tide flood tide can stop in dike reliably when attacking and intake.

In addition, be arranged on the outer peripheral face of a side contacts case shape ducted body 5a opposite in the outer peripheral face of each rolling element 7 on matrix 1 inner surface, these rolling element 7 rotations with matrix 1 inner surface.Like this, on the inner surface of matrix 1, be provided with a plurality of rolling elements 7 that when movable wall 5 is applied buoyancy and rises, play the roller effect with respect to the case shape ducted body 5a outer peripheral face of movable wall 5, so, the movable wall 5 that has been applied buoyancy is risen smoothly.

And the back of decorporating is free when more than needed in that flood tide, by not shown suitable drainage mechanism, water outside the dike that stores matrix 1 in is discharged to the outside and makes movable wall 5 declines, returns to state when usual shown in Figure 1.

In addition, in order to prevent the gap of running through from the elongate of the wall body 5b upper end of movable wall 5 and matrix 1 under the state when usual between the peristome 2 shown in Figure 1 seepage rainwater etc., can seal be installed along the circumference that elongate run through peristome 2.

Claims

1. a movable wall type dike is arranged on the waterside, it is characterized in that, possess matrix and movable wall, described matrix is the case shape, is provided with elongate on top and runs through peristome, and be provided with on the side wall portion of a side outside dike than the usual water level of water outside the dike by down and the water intaking hole of closing when usual; Described movable wall is accommodated in the above-mentioned matrix, uprightly on ducted body establishes wall body and forms; The water water level abnormality rises outside predicting dike when dangerous, open above-mentioned water intaking hole, from this water intaking hole water outside the dike is imported in the above-mentioned matrix, above-mentioned movable wall effect buoyancy is made this movable wall rise, to run through peristome from above-mentioned elongate outstanding to erect posture to make above-mentioned wall body.

2. movable wall type dike as claimed in claim 1 is characterized in that, is provided with a plurality of rolling elements on the inner surface of above-mentioned matrix, and described a plurality of rolling elements contact with the outer peripheral face of above-mentioned ducted body and rotate when above-mentioned movable wall is applied buoyancy and rises.