JP6144104B2 - Reservoir - Google Patents

Description

  The present invention relates to a rectangular distribution reservoir made of steel.

  The distribution reservoir is a facility that temporarily stores the water sent from the water treatment plant, and has the function of adjusting the time fluctuation of the water distribution amount. As the distribution reservoir, a cylindrical water tank or a rectangular water tank is applied, and it is often constructed by joining a number of steel wall plates.

  As a distribution reservoir using a steel wall plate material, a plate material having a flange surface having a T-shaped horizontal cross section (having a flange surface orthogonal to the surface of the plate material) is provided at both ends of the wall plate material having an arc-shaped horizontal cross section. In addition, one in which side plate units are manufactured by connecting flange surfaces to each other is known (for example, see Patent Document 1).

  In the prior art described in Patent Document 1, the horizontal direction is reinforced by the arc-shaped horizontal section of the wall plate material, and the vertical direction is reinforced by the T-shaped flange surface of the plate material. For this reason, it can be set as the distribution reservoir provided with the side wall which can receive the load by water pressure exactly.

  In the conventional technique described in Patent Document 1, since the flange surfaces are joined together by welding or the like, the present situation is that the joining strength is limited. For this reason, stress does not concentrate on the wall plate material provided with the plate material at the end, but the pressure resistance performance against water pressure is restricted as a whole side wall unit due to the strength of the connecting portion (welding etc.) of the flange surfaces. It was.

Japanese Patent Laid-Open No. 2004-27517

  The present invention has been made in view of the above situation, and provides a rectangular water reservoir in which a side wall is constructed in a state where pressure resistance performance is maintained by a wall plate material in which stress concentration against water pressure is suppressed. Objective.

The distribution reservoir of the present invention according to claim 1 for achieving the above object is a rectangular distribution reservoir made of steel, wherein a part of a cylindrical surface extends vertically and a horizontal cross section has an arc shape. A wall plate material is formed by a flat flange portion extending in the vertical direction at an edge portion in the width direction of the wall plate, and a plurality of the wall plate materials are arranged so that the flat flange portion is adjacent in the width direction. In addition, the planar flange portion is arranged on the outer side of the planar flange portion of the wall plate material and the planar flange portion is surface-joined, and a gap extending in the vertical direction between the adjacent planar flange portions serves as a groove having a backing. A plurality of the wall plate materials and the support column members form a joining block material by providing support members to which the flat flange portions are welded , and the adjacent flat flange portions are welded to the support members. Horizontal joining block material Are arranged in parallel, and the wall plate members are connected to each other through the support members, and a large number of the joining block members are arranged in the vertical direction, and the support members are connected in the vertical direction. A fitting portion for fitting the column member adjacent in the vertical direction is formed at the end of the column member, and the fitting portion at the end of the column member is formed in the vertical direction of the adjacent flat flange portion. It is characterized in that a joint plate is provided as a backing material for the end portion .

In the present invention according to claim 1, stress concentration is suppressed by a wall plate in which a part of a cylindrical surface extends vertically and a horizontal section has an arc shape, and a planar flange portion is welded to a column member, thereby The surface of the member is used as a backing material, and the gap between the flat flange portions serves as a groove, and welding is performed in a state where strength is maintained.
Then, a large number of joining block members formed by a plurality of wall plate members and support members are connected in the horizontal direction and the vertical direction to construct a side wall. In addition, since the strut members adjacent in the vertical direction are fitted by the fitting portion, the workability can be improved, and the joint plate serves as a backing material for the portion of the fitting portion at the end of the strut member. be able to.

  For this reason, it becomes the rectangular distribution reservoir made from steel by which a side wall is constructed | assembled in the state by which the pressure | voltage resistant performance was maintained with the wall board material by which the stress concentration with respect to water pressure is suppressed.

Moreover, the reservoir of the present invention according to claim 2 is characterized in that, in the reservoir according to claim 1 , a beam connecting the support members is provided inside, and the rigidity of the structure is secured by the beam. can do.

  In the steel rectangular reservoir of the present invention, the side wall can be constructed in a state in which the pressure resistance performance is maintained by the wall plate material in which the stress concentration with respect to the water pressure is suppressed.

It is an external view showing the whole distribution reservoir concerning one example of the present invention. It is a side view showing the whole distribution reservoir concerning one example of the present invention. It is a disassembled perspective view of a joining block material. It is a perspective view of the state where the joining block material was connected. FIG. 5 is a view taken along line VV in FIG. 4. It is arrangement | positioning explanatory drawing of a side wall. It is a perspective view explaining the fitting part of a support | pillar member. It is a perspective view explaining the baseplate of a joining block material. It is sectional drawing explaining the fixed state of a baseplate.

  Based on FIG. 1, FIG. 2, the whole structure of a distribution reservoir is demonstrated.

  FIG. 1 is an external view showing the whole of a reservoir according to an embodiment of the present invention, and shows a partially broken roof. Moreover, the side surface showing the whole distribution reservoir which concerns on one Example of this invention is shown in FIG.

  The illustrated reservoir 1 is a reservoir 1 composed of a steel rectangular reservoir, and a joining block member 2 formed of a plurality of wall plates (described later) and support members (described later) is in a horizontal direction. A plurality of joint block members 2 are connected in the vertical direction to form a side wall 3 of the water storage tank. Moreover, like the side wall, a partition wall 4 is formed inside the water storage tank by a large number of joining block members 2, and the interior of the reservoir 1 is partitioned into a plurality of chambers (two chambers).

  As will be described in detail later, in the reservoir 1, the bottom plate and the lowermost joining block member 2 are fixed to the concrete foundation, and a water supply port and a water distribution port are provided in a pit (not shown). In addition, a large number of beam members are provided in the vertical and horizontal directions inside the water storage tank, and the ends of the beam members extending in the horizontal direction are fixed to support members (described later) of the joining block member 2. Yes.

  Based on FIGS. 3-5, the structure of the side wall to which the joining block material 2 and the joining block material 2 were connected is demonstrated concretely.

  3 is an exploded perspective view of the joining block material for explaining the wall plate material and the column member, FIG. 4 is a perspective view in a state where the joining block material is connected, and FIG. 5 is a welded portion of the wall plate material to the column member FIG. 4 is a view taken along the line VV in FIG.

  As shown in FIGS. 3 and 4, the joining block member 2 includes, for example, a plurality of (two in the illustrated example) wall plate members 11 made of stainless steel, and the two wall plate members 11 are made of, for example, stainless steel. It is formed by being joined to a support member 12 of a square tube. The wall plate material 11 has a rectangular wall plate 15 in which a part of a cylindrical surface extends vertically and a horizontal cross section has an arc shape. The wall plate 15 has an arcuate inner side (a surface opposite to the inflating direction) as an inner surface of the water storage tank.

  A flat flange portion 16 is continuously formed at the edge of the wall plate 15 in the width direction, and the flat flange portion 16 extends in the vertical direction. In the joining block member 2, the wall plate material 11 is arranged so that the planar flange portion 16 is adjacent in the width direction, and the strut member 12 extends outside the water storage tank (on the wall plate 15) across the planar flange portion 16 of the adjacent wall plate member 11. It is arranged on the outer surface side of the side where the arc swells.

  As shown in FIG. 5, the planar flange portion 16 is surface-bonded to one surface of the column member 12, and a gap S extending in the vertical direction between the adjacent planar flange portions is formed. The portion of the gap S is a groove (groove) between the base materials to be welded, and by welding one surface of the column member 12 and the pair of flat flange portions 16, one surface of the column member 12 is backed and opened. It will be in a pre-welded state. And the surface (front side surface) by which the circular arc of the wall board 15 is expanded, and the support | pillar member 12 are joined by fillet welding.

  Since the wall plate 15 of the joining block member 2 has a part of the cylindrical surface extending vertically and the horizontal cross section being an arc shape, the wall plate 15 is attached to the column member 12 in a state where stress concentration is suppressed with respect to the load from the inside. Fixed. For this reason, the stress concentration with respect to the water pressure can be relaxed. And the wall board material 11 is fixed to the support | pillar member 12 by the fillet welding of the front side surface, and the plane flange part 16 is welded to the support | pillar member 12, The surface of the support | pillar member 12 becomes a backing material, and a plane flange The gap of the part 16 becomes a groove, and is welded with a sufficient joint strength.

  For this reason, the wall board material 11 by which the stress concentration with respect to a water pressure is suppressed is provided by connecting the joining block material 2 and constructing the side wall 3 of the reservoir 1, the wall board material 11 is joined with high joint strength, The distribution reservoir 1 is formed of a steel rectangular water tank in which the side wall 3 is constructed in a state where the performance is maintained.

  The construction of the side wall 3 by the joining block material 2 will be described with reference to FIGS.

  FIG. 6 shows a state in which the side wall is constituted by the joining block material. FIG. 6 (a) is a state where the side walls are connected in the horizontal direction (a state where the side wall is disassembled in the vertical direction), and FIG. The side wall is formed by being connected in the horizontal direction and the vertical direction. Moreover, the external appearance explaining the fitting part of a support | pillar member is shown in FIG.

  As shown in FIG. 6, the joining block material 2 (wall plate material 11, support member 12) is joined (groove welding) through the support member 12, and the front side surface of the wall plate material 11 is fillet welded to the support member 12. By doing so, for example, a block having four wall plates 11 in the horizontal direction is constructed. By joining the blocks in the vertical direction, for example, a side wall block including eight wall plate members 11 is constructed. By appropriately joining the side wall blocks, it is possible to obtain a distribution reservoir 1 composed of a rectangular steel water tank having a desired shape.

  As shown in FIG. 7, the support | pillar member 12 is comprised by the square cylinder, and the square cylinder part 21 small once is provided in the upper end part. Further, a joint plate 22 serving as a backing material at the time of welding the joint portion is provided at the lower end portion. When joining the blocks in the vertical direction, the rectangular tube portion 21 of the support member 12 of the upper block is fitted into the cylinder of the support member 12 of the upper block (fitting portion).

  For this reason, joining of the blocks in the vertical direction is guided by the fitting portion, and workability can be improved. Further, the joint plate 22 is present at the joint portion, and the function of the backing material on the surface of the square tube can be continued.

  Based on FIG. 8, FIG. 9, the fixing condition of the baseplate with respect to a concrete foundation is demonstrated.

  FIG. 8 shows an outer appearance of the joining block member provided with the bottom plate, and FIG. 9 shows a cross section for explaining the fixed state of the bottom plate.

  As shown in FIG. 8, a bottom plate 25 is provided on the lower surface of the joining block material 2 applied to the lowermost stage. On the other hand, as shown in FIG. 9, a support anchor 32 is fixed to the concrete foundation 31 on which the reservoir 1 is installed, and a bottom plate 25 is fixed to the upper end of the support anchor 32 via a nut 33. By fixing the bottom plate 25 to the support anchor 32, the joining block member 2 is fixedly installed on the foundation 31 in a state where the bottom plate 25 is prevented from being lifted.

A large number of bottom plates are joined to each other by welding on the bottom surface.
Although not shown in the figure, a support frame is fixed to joint portions of a large number of bottom plates via support anchors. Then, the bottom plates are groove-welded to each other on the upper surface of the support frame, and the continuous bottom plate is fixed on the concrete foundation. Lifting at the weld is prevented.

  In the steel rectangular reservoir 1 described above, the wall plate 15 of the joining block member 2 has an arc shape, so that stress concentration can be suppressed against a load from the inside. The wall plate member 11 is groove-welded by welding the flat flange portion 16 to the column member 12 so that the surface of the column member 12 becomes a backing material and the gap of the plane flange portion 16 is a groove. The wall plate members 11 are welded with sufficient joint strength.

  For this reason, by connecting the joining block material 2 and constructing the side wall 3 of the reservoir 1, stress concentration against water pressure can be reduced, and the wall plate material 11 is joined with high joining strength, and the pressure resistance performance is maintained. It becomes the rectangular distribution reservoir 1 made of steel in which the side wall 3 is constructed in a leaned state.

  INDUSTRIAL APPLICABILITY The present invention can be used in the industrial field of rectangular steel reservoirs.

DESCRIPTION OF SYMBOLS 1 Reservoir 2 Joining block material 3 Side wall 4 Partition wall 11 Wall board material 12 Support | pillar member 15 Side plate 16 Plane flange part 21 Square cylinder part 22 Joint plate 25 Bottom plate

Claims (2)

A rectangular steel reservoir,
A wall plate material is formed by a wall plate having a part of a cylindrical surface extending vertically and having a horizontal cross section having an arc shape, and a flat flange portion extending in the vertical direction at an edge in the width direction of the wall plate. ,
A large number of the wall plate materials are arranged so that the planar flange portion is adjacent in the width direction,
The plane flange portion is arranged on the outside of the plane flange portion of the wall plate material, and the plane flange portion is surface-joined, and a gap extending in the vertical direction between the adjacent plane flange portions serves as a groove having a backing and the plane. It has a strut member where the flange parts are welded together ,
The adjacent planar flange portion is welded to the column member, so that a plurality of the wall plate materials and the column member form a joining block material,
A large number of the joining block members are arranged in parallel in the horizontal direction, the wall plate members are connected to each other through the support members, and a large number of the joining block members are arranged in the vertical direction, and the support members are connected in the vertical direction. And
At the end of the supporting column member of the joining block material, a fitting portion is formed in which the supporting column member adjacent in the vertical direction is fitted,
The water distribution reservoir according to claim 1, wherein a joint plate serving as a backing material for a vertical end portion of the adjacent flat flange portion is provided in a fitting portion at an end portion of the column member . In the reservoir according to claim 1 ,
A distribution reservoir, wherein a beam connecting the support members is provided inside.

Images