JPS61197872A - Lining structure of water channel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The disclosed technology belongs to the technical field of wear-resistant lining structures for waterways such as industrial water and irrigation water.

Therefore, the invention of this application relates to a lining structure installed to have a cutting wear-resistant function on the base concrete layer of the roadbed of the industrial water or WI general water channel, and in particular, , Ceramic concrete tiles made by mixing ceramic granular balls etc. with cement as aggregate are shaped into a predetermined shape and used as a lining unit.
A large number of said lining units are laid together integrally on said base concrete layer, or a concrete layer of said ceramic aggregate and cement is laid integrally with said base concrete layer. This invention relates to a lining structure for a waterway that is installed and fixed to a waterway.

<Prior art> As is well known, industrial water and irrigation water are extremely important.
It is extremely important to stably supply a constant amount of water as much as possible, and in order to maintain this stable and constant M supply, waterways are indispensable. Changes in shape must be avoided.

Therefore, as an essential function for stable supply, the lining of the roadbed of waterways is also required to undergo major repairs and periodic repairs over time.
It is preferable that there is no irregular maintenance, inspection, maintenance, etc.

By the way, unlike the piping of a manufacturing factory plant, etc., the waterway contains a lot of sand and boulders, and the abrasive effect of the sand and boulders on the waterway is extremely unfavorable under the above conditions. To cope with this problem, the installation of a lining with a wear-resistant function has been widely used in the past.

<Problems to be Solved by the Invention> For example, in the lining layer 2 of the all-pipe type discharge channel 1 shown in FIG. are different, and turbulent flow occurs in the bell mouth part 3 of the former, so the angle at which the impact is applied to the lining layer 2 by the earth and sand and boulders is not small, and therefore the energy due to the impact load is large.
The indentation load causes a lot of wear.

On the other hand, no turbulence occurs in the latter intermediate pipe section 4,
The flow velocity is fast and constant, hence the lining of sediment and boulders! ! It has been found that the impact angle with respect to No. 2 is as shallow as 10° or less, and that although the impact load is small, the wear caused by cutting due to the high flow velocity has a large effect.

To deal with this, a lining made of a steel plate such as stainless steel is generally used as the wear-resistant layer in both the bell mouth part 3 and the intermediate pipe part 4. Although it is strong against abrasion caused by sand and stones, it is weak against abrasion caused by cutting.Therefore, not only the intermediate pipe section 4 but also the bell mouth section 3 suffers from cutting when the gravel collides with the lining layer 2 at a shallow angle. The disadvantage was that there was a lot of wear due to

Therefore, regular and irregular maintenance, inspection, and maintenance work are cumbersome, and the lining layer of the subgrade needs to be replaced after a certain period of time, and the waterway is closed during that time. Ta.

Moreover, there was also the disadvantage that the total cost was high.

The purpose of the invention of this application is to solve the technical problem of the wear caused by cutting of the lining layer of a waterway based on the above-mentioned prior art, and to utilize the advantage of ceramic which has a strong effect against the wear caused by cutting. It is an object of the present invention to provide an excellent waterway lining structure which suppresses wear caused by cutting and which is extremely easy to construct at the initial stage, thereby benefiting the field of water utilization technology in all industries.

<Means/effects for solving the problems> In order to solve the above-mentioned problems, the structure of the invention of this application, which is summarized in the above-mentioned claims, is to solve the problems mentioned above. After constructing the base concrete layer, a predetermined ceramic aggregate is manufactured in advance and used for cement.
The ceramic aggregate is added to form ceramic concrete tiles of a predetermined size, and the ceramic concrete tiles are attached to the surface of the base concrete layer using a shock-absorbing adhesive such as epoxy resin. In the case of multiple cladding, the water flow surface is lined with ceramic, or the surface of the base concrete layer is roughened to make it moist, and ceramic concrete made of the ceramic aggregate and cement is made. A technical measure was taken to suppress cutting wear caused by flowing earth and sand and boulders by laying a ceramic concrete lining layer that was joined and integrated with the base concrete layer.

<Embodiments - Configuration> Next, embodiments of the invention of this application will be described below based on the drawings. Incidentally, the same parts as those in FIG. 4 will be explained using the same reference numerals.

The embodiment shown in FIG. 1.2 has a solder coating 7313' in the intermediate pipe section 4 of the all-pipe type discharge channel 1 shown in FIG.
In this embodiment, the base concrete layer 4 of the roadbed is poured while holding and fixing the ring girder as in the conventional embodiment.

5 is a ceramic concrete tile which constitutes one of the gist of the invention of this application, and as shown in FIG.
It is formed through a thickness of 25 to 25 b, and when it is formed, aggregate 6 such as ball-shaped particles of a predetermined size and cement are put into a mold and cured. Ceramic concrete tiles made in this way5.5・
With the surface of the base concrete layer 1 and layer 4 cleaned to a normal state, for example, a number of predetermined adhesives are pasted together via an adhesive 7 with shock absorbing properties such as epoxy adhesive. do.

In this way, a ceramic concrete layer 3' is obtained.

<Embodiment - Effect> In the above-described configuration, when water flows through the all-pipe type discharge channel 1, the soil and boulders that are inevitably mixed in flow away, but in the intermediate pipe section 4, As mentioned earlier, the impact angle of the ceramic concrete ting layer 3' of earth and sand and boulders is shallow, less than 10 degrees, so the impact load is small, so there is almost no wear due to the impact, and there is no cutting caused by flowing at a high speed. As mentioned above, each ceramic concrete tile 5 of the ceramic concrete lining 1f43'
Because there is a large amount of ceramic aggregate6.6, which has extremely strong resistance to wear caused by cutting, inside the stone, earth and sand and boulders can damage these ceramic aggregates. Even if it collides with the material 6.6, the ceramic aggregate 6 hardly wears out, and therefore the durability of the ceramic concrete lining @ 3' is maintained for a very long time, and as long as maintenance and inspection are not required. Almost no surface is required, and there is no need to replace or majorly repair the waterway.
Even if it were, the waterway utilization rate would be extremely high and guaranteed since it would be carried out over a considerable period of time.

In the above-mentioned embodiment, ceramic concrete tiles 5 manufactured in advance in a factory are laid with an adhesive, but in the embodiment, which is not shown in FIG. After constructing the ceramic, the surface is roughened and kept in a moist state to ensure a high bonding strength at the joint, or a ceramic is used to obtain the bonding strength at the joint using a jointing adhesive. Aggregate ceramic ball 6
．． Concrete is poured by pouring 6... together with cement.

Generally, it is known that the amount of wear of concrete greatly depends on its aggregate, but in the invention of this application, ceramics with high wear resistance are used as coarse aggregate etc. in cement. As a result, the concrete itself has great wear resistance in this example as well, as in the previous example.

Therefore, wear caused by cutting in the intermediate pipe section 4 of the full pipe type discharge channel 1 when water containing gravel and boulders is allowed to flow through the water channel is sufficiently suppressed.

It goes without saying that the embodiments of the invention of this application are not limited to the above-mentioned embodiments. Various aspects can be adopted, such as mixing consumable materials.

<Effects of the Invention> According to the invention of this application, basically, concrete having lamic aggregate is laid as a lining material installed on the roadbed where irrigation water and other abrasion occurs. Ceramic concrete tiles and concrete with ceramic aggregates have a strong effect against cutting wear caused by dirt, boulders, etc. that are unavoidably mixed in water. The ceramic aggregate makes the entire lining resistant to wear, which has the excellent effect of significantly improving the durability of the waterway. It has the excellent effect of requiring almost no maintenance, inspection, maintenance, etc., and is extremely effective in terms of water use.

When using ceramic concrete tiles with ceramic aggregate, since the ceramic concrete tiles are mass-produced in a factory, it is necessary to add impact absorption properties to the base concrete layer that is brought to the site and constructed in advance. Since it can be installed by pasting it with an adhesive, etc., the construction speed is fast, the later stages can be shortened, and the excellent effect of increasing construction accuracy is achieved.

In addition, in order to install the lining using an adhesive having shock-absorbing properties, for example, when installing a lining in or near the bell mouth of a full-pipe type waterway, ii! 17
This has the effect of being able to resist the wear caused by pushing in with 11 layers.

In addition, by pouring concrete on the surface of the base concrete layer by mixing ceramic aggregate and cement on-site, a continuous ceramic concrete lining layer is laid, which improves accuracy and provides a certain level of stability. It has the excellent effect of being able to perform construction efficiently and in a short period of time.

By designing the ceramic aggregate to be densely mixed near the surface of the ceramic concrete lining layer, the abrasion resistance of the lining layer can be further improved, providing excellent design flexibility. It is played.

[Brief explanation of drawings]

The drawings are detailed explanatory diagrams of the invention of this application, in which FIG. 1 is a schematic longitudinal sectional view of one embodiment, FIG. 2 is an open plan view, and FIG. 3 is a first equivalent longitudinal sectional view of another embodiment. , FIG. 4 is a schematic cross-sectional view of a full-pipe type discharge channel of a waterway. 3', 3'... Lining layer, 4... Base concrete layer, 5... Lining unit ceramic concrete tile, 6... Ceramic aggregate,

Claims (2)

[Claims] (1) In a lining structure with a cutting wear-resistant function for waterways, a number of lining units are laid together on the base concrete layer of the subgrade, and the lining units are composed of ceramic aggregate and cement. A waterway lining structure characterized by being formed of concrete tiles. (2) A lining structure for a waterway having a cutting wear-resistant function, characterized in that a concrete layer of ceramic aggregate and cement is integrally fixed and laid on the base concrete layer of the subgrade. .