JP2002013119A - Tiering type steel-made stone filling frame revetment structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tiering type steel-made stone filling frame revetment structure having a large shape retaining function, using a steel made frame body easy to secure shape precision, excellent in workability in a structure to facilitate assembly at the working site and constituted tender to the environment by adopting medium filling stones. SOLUTION: It is structured so that a plural number of steel made inclined frame bodies forming their front surfaces in inclined surfaces equal to slope inclination are tiered in a required number of stages by arranging the inclined surfaces in a straight line and stones are packed in the frame bodies. The steel-made inclined frame body is constituted of a front side pillar material inclined along the slope inclination and a vertical rear side pillar material on a rear surface, an upper part beam material and a lower part beam material connecting upper and lower sides of the longitudinarily corresponding front side pillar material and rear side pillar material and a screen material of each of the surfaces forming a stone filling space, and a shape steel material is respectively used. The lower part beam material of an upper tier is connected onto the upper part beam material of a lower tier by a means of bolting, etc., on the steel-made inclined frame body of each of the tiers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a revetment structure constructed on a river or a shoreline, in particular, using a steel stone-filled frame, forming a plurality of step-stacking types, and forming a slope with a straight front surface. Belonging to the technical field of steel-framed embankment structures.

[0002]

2. Description of the Related Art In recent years, in revetment works for rivers and coasts, new revetment structures such as car mats filled with natural stones have been used from conventional concrete blocks in consideration of environmental friendliness. became.

As shown in FIG. 6, a revetment structure using a car mat has a wire mesh having a width of 2 m to 4 m and a depth of 1 m to 1.5 m.
Basket mat 1 processed into a box shape about 0.5m high and 0.5m high
Use 0 and put gravels into it to make one block. Car mat blocks are stacked one after another by the same method on the car mat blocks to construct a seawall structure of a predetermined height. The revetment work using the car mat 10 is rapidly spreading due to its good economy.

[0004]

In the conventional revetment structure using a car mat, the constituent material of the car mat 10 is a diamond-shaped wire mesh, the strength and rigidity are not so strong, and the shape and accuracy as designed at the time of construction cannot be obtained. Is a problem. Therefore, in the actual revetment work, as illustrated in FIG. 7, a temporary material such as a single pipe 11 is passed in advance in the ridge direction of the front upper corner portion to maintain the shape of the upper corner portion, and after completion of the work, the single pipe A method of extracting the pipe 11 is being implemented. Therefore, there is a problem that extra labor and temporary costs are required for handling the single pipe 11.

There is another problem that the basket mat 10 is easily entangled and deformed by the insertion of the stuffing stones, and it is difficult to obtain the shape accuracy.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned conventional problems. Specifically, the present invention uses a steel frame which has a large shape holding function and can easily secure the shape accuracy, and uses the same. An object of the present invention is to provide an easy-to-install on-site structure with excellent workability, and to provide an embankment-type stone embankment revetment structure that is environmentally friendly by adopting a filling stone.

[0007]

Means for Solving the Problems As means for solving the above-mentioned problems of the prior art, a stacked-type steel stone-filled-wall revetment structure according to the first aspect of the present invention comprises a step for revetment of a river or the like. Stacked steel stone packing frame revetment structure, a plurality of steel inclined frame body having a front surface formed on an inclined surface equal to a normal gradient, the required number of steps are stacked by arranging each of the inclined surfaces in a straight line, It is a structure in which stones are packed in a frame body, and the steel inclined frame body includes a front pillar material inclined along a normal slope of a front surface and a vertical rear pillar material of a rear surface, and front pillars corresponding to front and rear. It is composed of upper and lower beams that are connected to the top and bottom of the material and the rear pillars, and screen materials on each surface that form a stone-filled space, and a shaped steel material is used for each of the above-mentioned materials. In addition, the steel inclined frame body of each step can be bolted to the lower beam of the upper stage on the upper beam of the lower stage. In that are stacked in combination, respectively characterized.

According to a second aspect of the present invention, in the stepped steel stone crate revetment structure according to the first aspect,
A steel frame structure packed with stones as a reinforced material is buried in the ground, and a required number of steel inclined frames are formed on the reinforced steel frame structure so that each of the inclined surfaces is straight. It is characterized by being arranged and stacked.

According to a third aspect of the present invention, in the stepped steel stone-filled wall revetment structure according to the first aspect, the steel inclined frame body of each step has a rear column perpendicular to the inclined front column member. The upper and lower beams, which combine the front and rear pillars, have the same shape and the same size as the frame, and the front surface is inclined straight along the slope. The rear surface of the frame body is characterized by being projected in a reverse staircase from the bottom upward to the rear side in order.

According to a fourth aspect of the present invention, in the stepped steel stone-filled seawall revetment structure according to the first aspect, a rear wall perpendicular to the inclined front column member, which constitutes the steel inclined frame body of each step. The side pillars, and the upper beam and the lower beam joined to the front pillar and the rear pillar are each integrally formed in advance into a trapezoidal frame body, and each screen material is bolted on site. It is characterized by being stopped.

[0011] The invention according to claim 5 is the invention according to claim 1 or 4.
In the step type steel stone-filled seawall revetment structure described in the above, the screen material is attached to the front and rear surfaces, and both end surfaces, and the top surface of the steel inclined frame body stacked in the required number of steps, I do.

According to a sixth aspect of the present invention, there is provided the stepped steel stone-filled frame revetment structure according to the first or fourth or fifth aspect, wherein the screen material on the front surface, the rear surface, and the upper surface of the steel inclined frame is horizontal. And the screen material on the end face is attached to each of the upper and lower beam members and the rear column material in an arrangement parallel to the inclination of the front column material.

[0013] The invention according to claim 7 is the invention according to claim 1 or 4 to 4.
6, the angled steel is used for the front screen material to be stopped between the left and right front pillars, and the angle steel is the front pillar material. One side is set to a vertical direction inside, and it is applied through a taper washer that compensates for the inclination of the front column material in the vertical direction, and the front column is a round head bolt with an inclined seat surface with an inclination angle equal to the inclination of the front column material It is characterized by being fastened to the material.

According to an eighth aspect of the present invention, in the stepped steel stone-filled seawall revetment structure according to the first or third or fourth or seventh aspect, the front and rear pillars and the upper and lower beam members are respectively traversed. The surface is a T-shaped steel member, and each web is arranged to face the inside of the frame.

The invention according to claim 9 is the invention according to claim 1 or 3 to 3.
8. In the stepped-type steel stone mound revetment structure described in any one of 8 above, the screen materials on the front and rear surfaces are respectively arranged in parallel in the longitudinal direction, are pin-connected to the pillars, and The inclined frame body is characterized in that it is configured to be inclined or swingable in the longitudinal direction following the ground vibration and uneven settlement.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a stepped steel stone crate revetment structure according to the first to ninth aspects of the present invention will be described with reference to FIGS.

[0017] The stepped steel stone crate revetment structure of the present invention comprises:
As shown in FIG. 1, a steel frame structure B buried in the ground as a consolidation material is installed as a stone-packed structure, which is constructed on a river, a coastline, or the like. A configuration in which the required number of steel inclined frames A _{1 to} A ₄ are stacked on the stone-stuffed steel frame structure B, with the front surfaces (inclined surfaces) of the required number of steps being arranged in a straight line with a normal gradient. (The inventions of claims 1 and 2). The stone-filled steel frame structure B is also constructed by assembling a rectangular parallelepiped steel frame using a shaped steel material, and filling the frame with stones.
Its size and shape are appropriately designed and manufactured as a stiffening material for a stacked-type steel stone-framed revetment structure.

The front surfaces of the steel inclined frames A ₁ , A ₂ ,... Are formed with inclined surfaces equal to the normal gradient. The structure is filled with stones.

Each of the steel inclined frames A ₁ , A ₂ ,... Has the same shape and the same size. As shown in FIG. 2, the basic structure of the front pillars 1 and 1 and the rear pillars 2 and 2 perpendicular to the front surface and the rear pillars and the front pillars are arranged so as to correspond to the front and rear. An upper beam 3 and a lower beam 4 which connect the material 1 and the rear pillar 2 up and down, and screen materials 5, 5 ′ and 8 on each surface forming a stone-filled space. Shaped steel is used for the material. Therefore, it has much higher strength and higher rigidity than the conventional revetment structure made of a diamond-shaped wire mesh, and has a high shape maintaining function, so that a temporary material is not required at the time of construction. Moreover, even if rubble is thrown in at the time of construction, bending deformation is unlikely to occur as in a conventional diamond-shaped wire mesh, and the initial configuration of the construction is maintained for a long time.

Each of the front and rear pillars 1 and 2 and the upper and lower beams 3 and 4 is made of a T-shaped cross-section, and each web is provided with a web inside the frame. It is arranged so as to face, and is assembled in a trapezoidal shape when viewed from the side (the invention according to claim 8). However, as shown in FIG. 2B, the front and rear pillars 1 and 2 can be similarly implemented by combining two angles back to back.

Angle steel (angle material) is used for each of the screen members 5, 5 'and 8. The screen members 5, 5 ', 8 are attached to the front and rear column members 1, 2 and the upper and lower beam members 3, 4 by means of bolting or the like using a T-shaped steel flange or web. .

However, with respect to the attachment of the front screen member 5 to be stopped between the left and right front pillar members 1, 1,
As illustrated in FIG. 3, an angle iron as the screen material 5 is disposed such that one side thereof is vertically arranged inside the flange of the front column member 1, and the inclination of the front column member 1 is compensated in the vertical direction. It is applied to the inside of the flange of the front pillar 1 via a tapered washer 6 having a shape. And also the front pillar 1
Head bolt 7 having an inclined seat surface 7a at an angle equal to the inclination of
(The invention according to claim 7). Therefore, the round head bolt 7 has an effect of preventing rotation, and is strong against collision of driftwood and rubble flowing in a river, and also has an effect of preventing such a floating substance from being caught.

Each steel inclined frame A constructed as described above
_1, A 2, _..., the upper place the lower beam members 4 (overlay) on the lower part of the upper beam member 3, are stacked and bonded integrally by means of bolts or the like (or, according to Item 1)).

The steel inclined frames A ₁ , A ₂ ,... Of the respective stages constructed and assembled as described above are provided for convenience of manufacture and on-site assembly. The beam 2 and the upper beam 3 and the lower beam 4 which combine the front side pillar 1 and the rear side pillar 2 are respectively formed in the same shape and the same frame, and each component is leveled. ing. Then, the steel inclined frame member A ₁ of each _stage, A 2, _..., as a result of tilting in a straight line along the front surface slope, steel inclined frame member A ₁ of each _stage, A 2, _... rear face of Is constructed in such a manner as to protrude rearward from the bottom upward in order, as illustrated in FIG. 1 in a reverse stepwise manner (the invention according to claim 3).

In view of the above-mentioned convenience of the production and on-site assembly, the steel inclined frames A ₁ , A ₂ ,.
The rear pillar 2 which is perpendicular to the inclined front pillar 1 constituting them, and the upper beam 3 which combines the front pillar 1 and the rear pillar 2
The lower beam 4 and the lower beam 4 are assembled in advance in a factory or on-site site, and are assembled into a trapezoidal frame when viewed from the side. Each screen material 5,
The steps 5 'and 8 are bolted on site, and the construction work can be carried out easily and efficiently (the invention according to claim 4).

After all, the screen materials 5, 5 'and 8
As shown in FIG. 4, a large stone-filled space frame is formed by attaching to the front and rear surfaces of steel inclined frames A ₁ , A ₂ , and A ₃ , which are completed by stacking the required number of stages and assembling, and both end surfaces. And work to pack stones into the space. Finally, a screen material is attached to the uppermost surface and closed (the invention according to claim 5).

In this case, each of the steel inclined frames A ₁ , A ₂ ,.
The screen members 5 and 5 ′ on the front, rear and upper surfaces are mounted in parallel in the horizontal direction (or longitudinal direction), respectively, and the screen members 8 on the end surfaces are arranged in parallel with the inclination of the front pillar 1 and the upper and lower beam members 3. , 4 and the rear pillar 2 (the invention according to claim 6 = see FIG. 4). Therefore, the revetment structure of the present invention exhibits an aesthetically pleasing form.

In the stepped-type steel stone-filled seawall revetment structure of the present invention, the screen members 5, 5 'on the front and rear surfaces of the steel inclined frames A ₁ , A ₂ ,. As shown, each of the columns 1, 1 and 2,
2 is a pin connection. Therefore, the steel inclined frames A ₁ , A ₂ ,... Of each step are configured to be able to tilt or swing in the longitudinal direction so as to freely follow the ground vibration and uneven settlement. Invention). Therefore, stability against ground vibration and uneven settlement is large.

Next, the procedure for constructing the revetment structure of the stacked steel-made stone-filled frame according to the present invention using the above-mentioned inclined steel frame A will be described with reference to FIG.

First, FIG. 5A shows that a ground E requiring a seawall such as a river is stepped from the bottom to the top in a stepwise manner in accordance with the slope of the steel inclined frame A and the accompanying protrusion amount of the rear surface. This shows the stage at which the earthwork was carried out.

FIG. 5B shows a stage in which a stone-filled steel frame structure B as a stiffening material is installed at the bottom in a form buried in the ground.

FIG. 5c shows a stage where the required number of steel inclined frames A ₁ , A ₂ ,... Are assembled in a stacked manner on the stone-filled steel frame structure B. .

FIG. 5D shows the construction of the steel inclined frames A ₁ , A ₂ ,... Assembled as described above, in which rubble is charged, and after the charging, the top screen material 5 is attached to complete the construction. Shows the stage at which it was completed.

[0034]

According to the first to ninth aspects of the present invention, the inclined steel frames A ₁ , A ₂ ,... Have high strength, high rigidity and excellent shape holding function as compared with the conventional car mat. Therefore, it is not necessary to use a temporary material such as a single pipe at the time of construction, and it is possible to save extra temporary material, labor for temporary construction, and temporary construction cost. Even if rubble or the like is thrown into the steel inclined frame, bending deformation is unlikely to occur, and the design form during construction is kept good.

The front column member and the rear column member are connected by an upper beam member and a lower beam member, and are integrally joined in advance by welding and assembled in a trapezoidal shape. It can be a structure with high mechanical strength. In addition, since the steel inclined frame can be produced in advance at a factory or the like with high accuracy, labor during assembly and construction can be saved, and construction with high quality and accuracy can be performed.

The front screen material connecting the left and right front pillars is an angle steel having high rigidity, but is connected by a round head bolt having a tapered washer and an inclined seat. Screen material can be attached at right angles to the screen. Moreover, the co-rotation of the bolts is prevented, contributing to the improvement of workability.

The column member and the beam member of the steel inclined frame body are T-shaped cross-section steel members, and the web of the T-shaped steel member is arranged to face the inside of the inclined frame member, thereby forming the frame member. In addition to increasing the strength, it is convenient for connecting the column material and the beam material, and for connecting the screen material.

Since the front and rear screen members of each of the steel inclined frames are arranged in parallel in the horizontal direction, the front and rear screen members have a beautiful appearance in a geometrically improved form. Is pin-connected to the pillar material, and it is configured to be able to tilt and swing in the longitudinal direction following the vibration of the ground, so it can freely follow uneven settlement of the revetment ground, etc., and always maintain structural stability You get.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a stacked-type steel-made stone-framed revetment structure according to the present invention.

FIG. 2A is a perspective view showing a steel inclined frame body, and FIG. 2B is a perspective view of an embodiment in which front and rear pillars are formed by angles.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG. 2;

FIG. 4 is a perspective view showing an overall image of a stepped steel stone-filled shore embankment structure.

FIGS. 5A to 5D are explanatory diagrams showing a construction procedure of a stacked-type steel-made stone-filled-wall revetment structure.

FIG. 6 is a side view showing a revetment structure using a conventional car mat.

FIG. 7 is a perspective view showing a construction procedure of a bank protection structure using a conventional car mat.

[Explanation of symbols]

 Reference Signs List A steel inclined frame body B steel frame structure E ground 1 front pillar 2 rear pillar 3 upper beam 4 lower beam 5, 5 'screen material 8 screen material 6 taper washer 7 round head bolt 7a inclined seat surface

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2D018 CA01 2D048 AA22 AA72

Claims (9)

[Claims] 1. A stepped steel stone-filled seawall revetment structure for revetment of rivers or the like, wherein a plurality of steel inclined frame bodies each having a front surface formed on an inclined surface equal to a normal gradient are formed on each of the inclined surfaces. It is a structure in which the required number of steps are arranged in a straight line and the required number of steps are stacked, and a stone is packed in a frame.The steel inclined frame is formed by a front side pillar material inclined along a normal slope of the front surface and a vertical rear surface of the rear surface. Side pillars, upper and lower beams joined to the front and rear of the front and rear pillars corresponding to the front and rear, and a screen material of each surface forming a stone-filled space, Shaped steel materials are used for each material, and the steel inclined frames of each stage are stacked on top of the lower upper beam by joining the lower beam of the upper stage by means such as bolting , Each of which is characterized by a stacked masonry steel stone crate structure. 2. A steel frame structure packed with stones as a stiffening material is buried in the ground at the lowest stage, and a required number of steel inclined frames are provided on the stiffening steel frame structure. 2. The revetment structure of stepped steel stone crate according to claim 1, wherein the inclined surfaces are arranged in a straight line and stacked. 3. 3. The steel inclined frame body of each step has the same shape as an inclined front column member and a vertical rear column member, and an upper beam member and a lower beam member combining the front column member and the rear column member. The rear surface of the steel inclined frame body, which is constituted by a frame of the same size, the front surface of which is inclined in a straight line along the slope, is projected from the bottom upward to the rear side in a reverse stair-like shape. 2. The method of claim 1, wherein
Stacked steel stone crate revetment structure described in. 4. An inclined rear pillar which is perpendicular to a front pillar, and an upper beam and a lower pillar which are connected to a front pillar and a rear pillar, constituting a steel inclined frame body of each step. 2. The embankment of a stacked stone-type steel stone embankment according to claim 1, wherein each of the screen materials is formed into a trapezoidal frame by being integrally joined in advance, and each screen material is bolted on site. Construction. 5. The screen material according to claim 1, wherein the screen material is attached to the front and rear surfaces, the end surfaces on both sides, and the uppermost surface of the steel inclined frames stacked in the required number of steps. Stacked steel stone crate revetment structure. 6. The screen material on the front, rear and upper surfaces of the steel inclined frame is mounted in a horizontal direction, and the screen material on the end face is arranged in parallel with the inclination of the front column member, and the upper and lower beam members and the rear column are arranged. The reinforced concrete seawall structure according to claim 1, 4 or 5, wherein the structure is attached to a material. 7. An angle steel is used for a front screen material to be stopped between left and right inclined front pillars, and the angle iron is made to have one side perpendicular to the inside of the front pillars, and the inclination of the front pillars is adjusted. It is applied through a taper washer that compensates in the vertical direction, and is fastened to the front column with a round head bolt having an inclined seat surface at an angle equal to the inclination of the front column,
The stacked-type steel stone-framed seawall structure according to any one of claims 1 or 4 to 6. 8. The front and rear pillar members and the upper and lower beam members are each a T-shaped steel member having a T-shaped cross section, and each web is arranged to face the inside of the frame. The stepped steel stone crate revetment structure according to claim 1 or 3 or 4 or 7. 9. The front and rear screen members are arranged in parallel with each other in the longitudinal direction, and are pin-connected to the pillar members. The steel inclined frames of each step are longitudinally moved following the ground vibration and uneven settlement. The stone-filled seawall revetment structure according to any one of claims 1 or 3 to 8, wherein the revetment structure is configured to be inclined or swingable in a direction.