JPH11140848A - Civil engineering structure, unit therefor, and execution method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent getting-out of filler materials by laying a plurality of civil engineering structure units each of which is formed of a plurality of blocks mounted on one surface of a bendable and flexible sheet, on a slope, filling fillers in spaces divided by the blocks, and covering them with a covering sheet. SOLUTION: A concrete block retaining unit 4 is formed of a metal net 5 serving as a bendable and flexible sheet and a plurality of concrete blocks 6 mounted on the front surface of the net 5, wherein substantially square spaces are difined in the net 5. The spaces are filled with concrete waste materials 22 as fillers so as to bear a shore protecting function substantially, and a resinous net 11 serving as a covering sheet is attached and fixed to the units 4. Accordingly the purpose is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a civil engineering structure, a civil engineering building unit, and a method for constructing a civil engineering structure.

[0002]

2. Description of the Related Art In the construction of civil engineering structures such as seawalls (including seawalls), there is a tendency to lay many units for civil engineering structures on seawalls and the like in order to grow plants and create fish nests at an early stage. It is in. As such a unit for civil engineering structures, a plurality of lumps are inseparably attached to a flexible sheet body on one surface side of the flexible sheet body, and the plurality of lumps themselves are used. Alternatively, there is a type in which a plurality of lumps are cooperated with a plurality of lumps of another civil construction unit laid on a slope to form a compartment space. When such a unit for civil engineering structures is used for construction of civil engineering structures, by filling a filling material in the compartment space in a use state, not only can the same seawall function as in the past be ensured, but also a flexible sheet is used. Thus, the unit for civil engineering construction can be manufactured easily and quickly by reducing the number of masses attached to the building.

[0003]

However, in the above civil engineering structure, the filling material is simply filled in the compartment space,
There is no connection between each padding and the flexible sheet.
For this reason, if the filling material spills out of the compartment space for some reason, the seawall function and the like will be reduced.

[0004] The present invention has been made in view of the above circumstances, and an object of the present invention is to prevent the packing material in the compartment space from spilling out.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a large number of civil engineering building units are laid on a slope, and each of the civil engineering building units is provided with a flexible body. A plurality of lumps are inseparably attached to one surface side of the sheet body to form a partitioned space, and a filling material is filled in the partitioned space. And a covering sheet body is attached so as to cover the structure.

[0006] In a preferred embodiment of the present invention,
It is as described in claims 2, 14 to 17.

In order to achieve the above object, according to the third aspect of the present invention, there is provided a civil engineering construction wherein a plurality of lumps are inseparably attached to one side of a flexible sheet on a slope. A plurality of units are laid so as to be adjacent to each other, and the plurality of civil engineering building units form a compartment space with the plurality of masses in each of the civil engineering building units for each of several civil engineering building units. In the civil engineering structure in which the compartment space is filled with the filling material, a covering sheet is attached to the block in each of the civil engineering construction units so as to cover the compartment space. The civil engineering structure is characterized by the following.

[0008] In a preferred aspect of the present invention,
It is as described in claims 14-17.

In order to achieve the above object, according to a fourth aspect of the present invention, a plurality of masses are inseparably attached to the flexible sheet on one surface side of the flexible sheet. Wherein the plurality of lumps form a partitioned space, and the lumps are provided with connecting means for attaching a covering sheet body covering the partitioned space. There is a configuration.

[0010] In a preferred embodiment of the present invention,
It is as described in claims 5-8 and 14-17.

[0011] In order to achieve the above object, according to the ninth aspect of the present invention, as a civil engineering building unit, a flexible sheet is provided.
A plurality of lumps are inseparably attached to one surface side of the building and a partition space is formed by the plurality of lumps, and a large number of civil engineering building units are laid on a slope, and The space is filled with a filling material, and thereafter, a covering sheet is attached to the block so as to cover the partitioned space, and the construction method of the civil engineering construction is characterized in that it is a construction method.

In order to achieve the above object, according to the invention of claim 10, as a unit for civil engineering construction, a plurality of lump are inseparably attached to one surface side of a flexible sheet body, and The block space is formed by the block of the mass, a packing material is filled in the block space, and a large number of the civil engineering building units are laid on the slope, and thereafter, the block space is formed with respect to the block. Attach the covering sheet body so as to cover the
The construction method is a civil engineering construction method characterized by the above.

Preferred embodiments of the ninth or tenth aspect are as described in the eleventh and fourteenth to seventeenth aspects.

In order to achieve the above object, according to a twelfth aspect of the present invention, as a civil engineering construction unit, a plurality of lumps are inseparably attached to one surface of a flexible sheet body, and A space is formed by the mass of the above, a filling material is filled in the space, and a covering sheet is attached to the mass so as to cover the space. The construction method is a construction method of a civil engineering structure, wherein a number of building units are laid on a slope.

In order to achieve the above object, according to the invention of claim 13, a plurality of masses are inseparably attached to one surface side of a flexible sheet body as a unit for civil engineering construction. Are prepared, and a large number of the civil engineering building units are laid so as to be adjacent to a slope, and for each of several civil engineering building units, a partitioned space is formed by the plurality of masses in each of the civil engineering building units. To fill the filling space in the compartment space, then, for the mass,
A covering sheet body is attached so as to cover the compartment space, and a construction method of a civil engineering structure is provided.

Preferred embodiments of the twelfth or thirteenth invention are as described in the fourteenth to seventeenth aspects.

[0017]

According to the first aspect of the present invention, in the civil engineering structure using the civil engineering building unit, the covering sheet is attached to the block so as to cover the compartment space. Even if there is no connection between the filling material and the flexible sheet, the covering sheet regulates the filling material from coming out of the compartment. For this reason,
In a civil engineering structure in which the civil engineering building unit is used, it is possible to prevent the packing material in the compartment space in the civil engineering building unit from spilling out.

According to the second aspect of the present invention, since one sheet of the covering sheet covers a plurality of compartments, the covering sheet is covered by the covering sheet for each compartment. See
Thus, parts management can be improved by reducing the number of sheets, and workability can be improved by reducing man-hours for coating work.

According to the third aspect of the present invention, when a divided space is formed for each of several civil engineering building units and the filling material is filled in the divided space, the blocks in each civil engineering building unit are filled. Since the covering sheet body is attached to the body so as to cover the compartment space, even in the case where a relatively large compartment space of such an embodiment is formed, the filling material in the compartment space is not filled. It can be prevented from spilling out.

According to the fourth aspect of the present invention, the space is filled with the filling material, and the covering sheet is formed so as to cover the space.
If the body is attached to the lump via the connecting means, the civil engineering structure similar to the above-described claim 1 or 2 can be constructed by using the civil engineering building unit.

According to the fifth aspect of the present invention, since the filling material is filled in the divided space of the civil engineering building unit, the flexible sheet can be effectively used as a means for conveying the filling material. After the installation on the slope, the work of filling the filling material can be omitted, and the workability of the construction can be improved.

According to the invention of claim 6, since the covering sheet is attached to the block through the connecting means so as to cover the compartment space, the civil engineering building unit is placed on the slope. Just by laying, the civil engineering structure according to claim 1 can be constructed to improve construction workability, and at the time of the construction, the civil engineering building unit can be sloped without spilling out the packing material. It can be transported accurately. In addition, the civil engineering building unit can be manufactured (mass-produced) in a factory or the like, and can be transported to a construction site without causing the packing material to spill out.

According to the seventh aspect of the present invention, the block is formed into a concrete block, and the connecting means is embedded in the concrete block by embedding a part of the connecting means in an uncured state of the concrete block. Since it is attached, if only a part of the connecting means is embedded using the softness of the uncured concrete block, the connecting means can be held on the concrete block after the concrete block is hardened thereafter. become. For this reason, attachment of the connecting means to the mass can be facilitated.

According to the eighth aspect of the present invention, the connecting means is a string connected to the reinforcing bar, the reinforcing bar is built in the concrete block, and the string is extended from the reinforcing bar so as to be outside the concrete block. Since the hardened concrete block and the reinforcing bar are connected to each other, the reinforcing bar is prevented from falling out of the concrete block, and the string can be securely attached to the concrete block as a mass. By using the string, the sheath
When the mounting member is mounted on the concrete block, it can be mounted with a flexible correspondence.

According to the ninth aspect of the present invention, the civil engineering structure according to the first aspect can be accurately constructed by using the method.

According to the tenth aspect of the present invention, when constructing the civil engineering structure according to the first aspect, the flexible sheet body can be effectively used as a means for conveying the padding material, and is laid on the slope. Later, the work of filling the filling material can be omitted, and the workability of construction can be improved.

According to the eleventh aspect of the present invention, since one of the covered sheets covers a plurality of the divided spaces, when constructing the civil engineering structure according to the first aspect, each of the divided spaces has Compared with the case of covering with a covering sheet, the number of steps of the covering operation can be reduced and workability can be improved.

According to the twelfth aspect of the present invention, the civil engineering structure according to the first aspect can be accurately constructed simply by laying the civil engineering building unit.

According to the thirteenth aspect of the present invention, when constructing a civil engineering structure, even when a relatively large partition space is formed for each of several civil engineering building units, the partition space is formed. In addition, it is possible to prevent the filling material in the compartment space from spilling out, and it is possible to improve the workability by reducing the number of man-hours for covering the covering sheet body.

According to the fourteenth aspect of the present invention, since the coated sheet has water permeability, it is possible to grow plants and the like, and to promote return to nature. Can be done.

According to the fifteenth aspect of the present invention, since the coated sheet body is made of resin, the coated sheet body continues to exist without being corroded. It is possible to prevent the filling material from spilling out of the compartment space semipermanently. In addition, since the coated sheet is a net, the mesh can be used as a mounting hole for the coated sheet to improve the attachment of the coated sheet to the lump. The root of the plant can pass through the coated sheet body through the mesh, and the growth of the plant can be promoted.

According to the sixteenth aspect of the present invention, since the mass is a stone, not only can the rock protection function be ensured by the strength and weight of the stone, but also if the stone is exposed, the surrounding environment can be improved. Can be prevented from giving a sense of discomfort.

According to the seventeenth aspect of the present invention, since the filling material is made of concrete waste material and the covering material is covered with soil, it is possible to secure the seawall function and the like by using the concrete waste material. Naturally, it is possible to return to the natural environment early by the covering soil, and it is possible to cover the concrete waste material with the covering soil so as not to be exposed. Therefore, it is possible to prevent the appearance from deteriorating while ensuring a substantial revetment function, returning to the natural environment, and the like.

[0034]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a revetment as an civil engineering structure. In the revetment 1, a suction-prevention sheet 23 is provided on the revetment slope 2. After a large number of concrete block holding units 4 as units for civil engineering construction are laid via the same elements as those of the slope 2 with only the code being different, adjacent concrete
The lock holding units 4 are connected to each other via a connecting tool 16. In FIG. 1, L1 indicates the water level of a river or the like at normal time, and L2 indicates the water level of the river or the like at the time of rising water.

The above-mentioned suction-prevention sheet 23 is for preventing suction of soil and the like. The suction-prevention sheet 23 is laid on the revetment slope 2 before the concrete block holding unit 4 is laid. It is supposed to be.

As shown in FIGS. 2 to 4, each of the concrete block holding units 4 is provided with a plurality of concretes on the front side (one side) of the wire net 5 as a flexible sheet body. -The block 6 is attached.

The wire mesh 5 is formed in a rectangular shape (in this embodiment, a square shape with a side of about 2 m), and its peripheral portion has a frame 7 (in FIG. 2, the frame is simplified. Are provided, and a mesh 8a is formed by crossing a plurality of wires 8 in the inside. Of course, instead of such a wire mesh 5, a synthetic resin net, a wire stretched horizontally within the frame 7 to form a mesh 8a or a mesh, a cloth material such as a woven cloth or a non-woven cloth, or a vinyl cloth −
The above-mentioned wire mesh may be laminated on the sheet.

The plurality of concrete blocks 6 are arranged on the wire mesh 5 along the peripheral edge of the wire mesh 5, and the plurality of concrete blocks 6 are substantially square sections on the wire mesh 5. A space 28 is defined. As shown in FIGS. 2 to 4, each of the concrete blocks 6 has a flat upper surface slightly narrower than the lower surface, and each of the concrete blocks 6 has a normal shape (raw concrete). Besides the above), a porous material having a large number of continuous voids extending continuously from the surface toward the inside is used.

As shown in FIG. 4, each concrete block 6 is attached to the above-mentioned wire mesh 5 so that the lower portion (hardened portion) of each concrete block 6 has a mesh 8a.
Through the wire mesh 5 to reach the back side (the other side) of the wire mesh 5 so as to wrap each wire 8 of the wire mesh 5,
Each concrete block 6 is to be firmly held by the wire net 5. Further, in the present embodiment, each of the concrete blocks 6 contains a reinforcing coil (not shown). The rebar coil is formed in a coil shape, is disposed so that the axial direction thereof is along the surface of the wire mesh, a lower portion thereof is held by the wire mesh 5, and an upper portion thereof is deeply penetrated into the concrete block 6. In. Thereby, the locking area per unit volume (the locking area between the concrete block 6 and the reinforcing coil) is remarkably increased, and the holding relation of the concrete block 6 to the wire mesh 5 is further strengthened. I have.

In the concrete blocks 6 located at the four corners of the plurality of concrete blocks 6, a reinforcing bar 9 as a connecting means and a part of the rope 10 are embedded and fixed. The rope 10 is tied and connected to the reinforcing bar 9,
The reinforcing bar 9 and the rope 10 near the reinforcing bar 9 are buried in the concrete block 6, and the other part of the rope 10 extends outside the concrete block 6. Thereby, the rebar 9 is prevented from coming off from inside the concrete block 6, and the rope 10 is firmly held by the concrete block 6.

Next, the revetment 1 as a civil engineering structure formed using the concrete block holding unit 4 will be described. In the present embodiment, the concrete block holding units 4 are sequentially laid in an adjacent state on the revetment slope 2 (suction prevention sheet 23) as shown in FIGS. Adjacent ones of the concrete block holding units 4 are connected via a connecting tool 16.

Next, the concrete waste material 22 is filled as a filling material in the space 28 in each of the concrete block holding units 4 on the seawall 2. This is because the concrete waste material 22 is used to secure a substantial seawall function. Of course, a concrete block holding unit filled with the concrete block waste material 22 in the compartment space 28 may be prepared, and such a concrete block holding unit may be transported and laid on the seawall 2.

Next, a resin net 11 as a covering sheet is attached to the concrete block holding unit 4. In this embodiment, one resin net is placed on the upper surface of each concrete block so as to cover the partition space 28 of the two concrete block holding units 4 as shown in FIG. Net 11
Are bound by a rope 10 extending from the upper surface of the concrete block 6 in each of the concrete block holding units 4 using the wire 11a and the mesh 11b of the resin net 11, and the resin net 11 and the two concrete -It is integrated with the lock holding unit 4. Such integration is performed on another concrete block holding unit 4 using another resin net 11. As a result, the concrete waste material 22 is prevented from spilling out of each partitioned space 28.

Next, as shown in FIG. 1, a covering block 20 is applied to the group of concrete block holding units 4 on the seawall 2 and the group of concrete block holding units 4 is covered with the covering layer 20. . This completes the construction of the revetment 1 as a civil engineering structure, and waits for return to nature.

Therefore, in the revetment 1, a substantial revetment function is ensured by each of the concrete block holding units 4 on the revetment slope 2, and the concrete as a filling material in each of the concrete block holding units 4 is provided. The waste material 22 is not exposed by being covered with the covering soil 20. In addition, not only is the surface of the revetment 1 covered with the covering soil 20, but also the resin net 11 is used as the covering sheet body, and water permeability and rooting of plants are ensured. Will be promoted.

Even if the covering block 20 is washed away and the concrete block holding unit 4 is exposed, the resin net 11
Thus, the spilling of the concrete waste material 22 as the filling material is restricted.

FIG. 5 shows another embodiment. In the other embodiments, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 5, each of the concrete block holding units 4 in this embodiment includes
8 is filled with a concrete waste material 22, and a resin net 11 is mounted on the upper surface of each concrete block 6 of each concrete block holding unit 4 in order to prevent the concrete waste material 22 from spilling out. Compartment space 2
8 is covered with a resin net 11.

Therefore, if the above-mentioned concrete block holding unit 4 is used, it is sufficient to lay it on the seawall 2 and the work of laying the resin net 11 can be omitted.
Workability can be improved. In particular, since the concrete block holding unit 4 can be manufactured (mass-produced) at a factory, workability at a construction site is high.

Although the embodiments have been described above, the present invention includes the following aspects. Include natural stones and pseudo stones as lumps. The partition space 28 of the three or more concrete block holding units 4 is covered with one resin net 11. As a connecting means attached (embedded) to the mass,
Use a nut or bolt or the like to attach a lump of resin net (covered sheet) through both. Connect the connecting members 9 and 10 attached to the lump to the resin net 1
For fixing 1, the concrete block 6 should be provided appropriately. As shown in FIG. 6, a partition space 28 is formed for each of several civil engineering building units 4, and the concrete waste material 22 is filled in the partition space 28, and such a partition space 28 is formed.
A resin net 11 is attached to the upper surface of the concrete block 6 so as to cover the surface. Use a wire mesh or the like as the covering sheet.

The object of the present invention is not limited to what is explicitly specified, but implicitly includes providing what substantially corresponds to what has been described as preferable or advantageous.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a revetment according to an embodiment.

FIG. 2 is a perspective view showing a state in which a concrete block holding unit is laid on a seawall slope and a resin net is laid on the concrete block holding unit.

FIG. 3 is a perspective view showing a concrete block holding unit according to the embodiment.

Fig. 4 Mounting of concrete block to wire mesh,
Explanatory drawing explaining attachment of a rebar and a rope to a concrete block.

FIG. 5 is a perspective view showing a concrete block holding unit according to another embodiment.

FIG. 6 is an explanatory view illustrating a mode in which a partitioned space is covered with a resin net when a partitioned space is formed by a plurality of concrete block holding units.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seawall 2 Seawall 4 Concrete block holding unit 5 Wire mesh 6 Concrete block 8 Wire rod 9 Reinforcing bar 10 Loop 11 Resin net 20 Covering soil 22 Concrete waste material 28 Sectional space

Claims (17)

[Claims] 1. A plurality of civil engineering building units are laid on a slope, and each of the civil engineering building units has a plurality of lumps inseparably attached to one surface side of a flexible sheet body. A space is formed, and a filling material is filled in the partitioned space, and a covering sheet is attached to the block so as to cover the partitioned space. Civil engineering structures. 2. The civil engineering structure according to claim 1, wherein one of the covering sheet bodies covers a plurality of compartment spaces. 3. A plurality of civil engineering building units having a plurality of masses inseparably attached to one surface side of a flexible sheet body on a slope, and a plurality of such units are laid so as to be adjacent to each other. A civil engineering structure in which a civil engineering building unit forms a partitioned space with the plurality of lumps in each of the civil engineering building units for each of several civil engineering building units, and fills a filling material in the partitioned space. 3. The civil engineering structure according to claim 1, wherein a covering sheet is attached to the block in each of the civil engineering building units so as to cover the partition space. 4. A plurality of masses are inseparably attached to the flexible sheet body on one surface side of the flexible sheet body,
A unit for civil engineering construction, wherein a partition space is formed by the plurality of lumps, and coupling means for attaching a covering sheet covering the partition space is provided on the lumps. 5. The civil engineering building unit according to claim 4, wherein a filling material is filled in the partitioned space. 6. The civil engineering building unit according to claim 5, wherein a covering sheet is attached to the block via a connecting means so as to cover the partition space. 7. The concrete block according to claim 4, wherein the block is a concrete block, and the connecting means is connected to the concrete block in an uncured state of the concrete block. A unit for civil engineering construction, which is attached by embedding a part thereof. 8. The concrete structure according to claim 7, wherein said connecting means is a string connected to a reinforcing bar, wherein said reinforcing bar is built in said concrete block and said string is extended from said reinforcing bar. A civil engineering building unit, which is extended out of the block. 9. A civil construction unit having a plurality of lumps attached to one surface of a flexible sheet body in an inseparable manner to form a compartment space by the plurality of lumps, A large number of civil engineering building units are laid on the slopes, and a filling material is filled in each of the compartments. Thereafter, a covering sheet is attached to the block so as to cover the compartments. A method for constructing a civil engineering structure, characterized in that: 10. A unit for civil engineering construction, wherein a plurality of masses are inseparably attached to one surface side of a flexible sheet body,
Forming a partitioned space by the plurality of lumps, preparing one filled with filling material in the defined space, laying a large number of units for civil engineering construction on a slope, and then, for the lumps, A method for constructing a civil engineering structure, wherein a covering sheet body is attached so as to cover a compartment space. 11. The construction method according to claim 9, wherein a plurality of the compartment spaces are covered by one sheet of the covering sheet body. 12. A unit for civil engineering construction, wherein a plurality of masses are inseparably attached to one surface side of a flexible sheet body,
A partition space is formed by the plurality of blocks, a filling material is filled in the partition space, and a cover sheet is attached to the block so as to cover the partition space. A method for constructing a civil engineering structure, comprising laying a large number of the civil engineering building units on a slope. 13. A civil construction unit having a plurality of masses inseparably attached to one surface of a flexible sheet body, wherein the civil construction unit is adjacent to a slope. In this way, a large number of units are laid,
A partition space is formed by the plurality of lumps in each of the civil engineering building units, a filling material is filled in the partition space, and then the lumps are covered so as to cover the partition space. A construction method of a civil engineering structure, characterized by attaching a body. 14. The method according to claim 1, wherein the coated sheet has water permeability. 15. The method according to claim 14, wherein the coated sheet is a resin net. 16. The method according to claim 1, wherein the mass is a stone. 17. The method according to claim 1, wherein the filling material is a concrete waste material, and a cover soil is applied on the filling material.