CN213867825U - Pumped storage power station factory building bulky concrete anti vibration seam structure - Google Patents

Abstract

The utility model provides a pumped storage power station factory building bulky concrete anti vibration joint structure, include the first construction unit section and the back construction unit section through anti vibration connection structure transitional coupling, just form the regular anti vibration joint between first construction unit section and the back construction unit section. The anti-vibration seam of the utility model has regular width and shape, and does not need to be filled with vibration isolation materials, thereby realizing the partition between structures; the vibration-proof connecting structure is arranged and also used as a vibration-proof structure, and can protect a part of formed vibration-proof seams and prevent sundries from falling into the seams; set up effectual water drainage tank, guarantee to sew up interior drying.

Description

Pumped storage power station factory building bulky concrete anti vibration seam structure

Technical Field

The utility model relates to a vibration resistant joint structure construction technical field, concretely relates to large-size concrete vibration resistant joint structure of pumped storage power station factory building.

Background

The pumped storage power station has the characteristics of high water head, high rotating speed, bidirectional water flow operation, wide hydraulic, electrical and mechanical excitation frequency range, frequent start and stop, working condition conversion, complex vibration transmission path and the like, and the vibration problem of a factory building is more prominent. In order to avoid the amplification effect of the running vibration interference superposition and the dynamic response among the units, vibration-resistant seams are arranged among the units.

At present, vibration isolation materials (such as polyethylene closed-cell foam boards) are filled in the seams, the thickness of the vibration isolation materials is consistent with the width of the seams, the joint filling materials are spliced and fixed on the surface of the finished pouring section in blocks, and then concrete pouring of the post-construction unit section is carried out to realize isolation among structures, namely, the vibration isolation materials are filled in the vibration-proof seams. However, due to the fact that the vibration isolation materials are spliced in blocks, cement slurry easily flows into the 'seams' during the pouring process of concrete on the other side of the joint filling material, the structures are connected locally, partition between the structures cannot be achieved, and meanwhile the vibration isolation performance of the joint filling material is difficult to define, so that the vibration-resistant seams formed by the joint filling material cannot meet the expected efficacy requirements of design to a great extent.

Based on the circumstances, the utility model provides a pumped storage power station factory building bulky concrete anti vibration seam structure can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence among the prior art, the utility model aims to provide a pumped storage power station factory building bulky concrete anti vibration seam structure. The anti-vibration seam of the utility model has regular width and shape, and does not need to be filled with vibration isolation materials, thereby realizing the partition between structures; the vibration-proof connecting structure is arranged and also used as a vibration-proof structure, and can protect a part of formed vibration-proof seams and prevent sundries from falling into the seams; set up effectual water drainage tank, guarantee to sew up interior drying.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the utility model provides a pumped storage power station factory building bulky concrete anti vibration joint structure, includes the first construction unit section and the post construction unit section through anti vibration connection structure transitional coupling, just form regular anti vibration joint between first construction unit section and the post construction unit section.

As a preferred technical scheme of the utility model, the back construction unit section is relative the side of elder generation construction unit section sets up the steel sheet, as the template of pouring back construction unit section.

As a preferred technical scheme of the utility model, the department of meeting of back construction unit section and steel sheet sets up the structural reinforcement, just structural reinforcement and steel sheet fixed connection.

As an optimal technical scheme of the utility model, the layering department of construction unit section and back construction unit section all is provided with continuous groove earlier, just continuous groove is arranged along anti vibration seam length direction leads to long.

As an optimal technical scheme of the utility model, the continuous inslot interval arrangement drain pipe can in time be discharged the inslot ponding.

As an optimized technical scheme of the utility model, anti vibration connection structure all brushes sealed glue with the junction of the unit section of first construction, the unit section of later construction.

As an optimized technical scheme of the utility model, anti-vibration connection structure is the buckled plate.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the technical scheme of the utility model is mainly that aiming at the contact surface of the mass concrete, the vibration-proof joint at the mass concrete part can be effectively formed, no material is filled in the joint, and the vibration-proof effect is ensured; the direct transmission of vibration energy between units can be effectively avoided, the requirements of the units for interval vibration are met, and the vibration-proof device is widely applicable to vibration-proof application of related structures in various industrial fields.

The utility model discloses through arranging bearing structure at the work progress, can effectively ensure the wide size rule of seam of anti vibration seam, satisfy the requirement of anti vibration seam to seam width, and need not to fill the vibration isolation material, realize the wall between the structure.

The utility model discloses the anti vibration connection structure who sets up pours the completion on this layer, and following anti vibration seam that forms the rule for influence the anti vibration seam that the lower part has formed when avoiding the construction of upper portion pouring layer, adds the connection buckled plate in the both sides square groove that this layer top formed, is the vibration isolation structure concurrently and can protect the part anti vibration seam that has formed, avoids debris to fall into in the seam.

The utility model discloses through arranging the built-in fitting at the work progress, form continuous groove in construction unit section layering department to at continuous inslot interval arrangement drain pipe, guarantee to sew up interior drying.

Drawings

FIG. 1 is a plan view of the vibration-proof seam between the sections of the plant unit of the utility model;

FIG. 2 is a schematic sectional view of the anti-vibration seam structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line 1-1 in FIG. 2;

FIG. 4 is a schematic view of the anti-vibration joint structure in the process of casting the post-construction unit section of the present invention;

fig. 5 is a schematic view of the anti-vibration joint structure after the anti-vibration connection structure is arranged.

Reference numerals: 1-constructing a machine set section firstly; 2-post construction of a unit section; 3-embedded parts; 4-a support structure; 5-temporary cover plate; 6-anti-vibration connecting structure; 21-steel plate; 22-structural steel reinforcement; 31-a continuous trough; 41-rubber pad.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

Referring to fig. 2, the present invention provides a large-volume concrete anti-vibration joint structure for pumped storage power station, which includes an early construction unit section 1 and a later construction unit section 2 that are connected by an anti-vibration connection structure 6, and a regular anti-vibration joint is formed between the early construction unit section 1 and the later construction unit section 2. In this embodiment, the anti-vibration connecting structure 6 is a corrugated plate, and the joints of the anti-vibration connecting structure 6 and the pre-construction unit section 1 and the post-construction unit section 2 are all coated with a sealant.

Referring to fig. 4, a steel plate 21 is disposed on a side surface of the post-construction unit section 2 opposite to the pre-construction unit section 1, in this embodiment, a thin steel plate with a thickness of 2mm is used as a template for casting the post-construction unit section 2 for the steel plate 21. The department that meets of back construction unit section 2 and steel sheet 21 sets up structural reinforcement 22, just structural reinforcement 22 and steel sheet 21 fixed connection.

In this embodiment, continuous grooves 31 are formed in the layered positions of the first construction unit section 1 and the second construction unit section 2, the continuous grooves 31 are arranged in the length direction of the anti-vibration joint, and the cross section of each continuous groove 31 is square; the continuous groove 31 is internally provided with drain pipes at intervals, so that accumulated water in the groove can be drained in time. The bottom surface of the continuous groove 31 is flush with the top surface of the steel plate 21, and the anti-vibration connecting structure 6 is arranged on the bottom surface of the continuous groove 31.

Referring to fig. 1 to 5, the present invention further provides a construction method of a large-volume concrete anti-vibration joint structure for a pumped storage power station plant, comprising the following steps:

step S1, according to the layered casting scheme of the mass concrete, the first construction machine set section 1 is subjected to layered casting, and the embedded part 3 is arranged on the casting layering part in a full-length mode to form the continuous groove 31.

In this embodiment, the embedded parts 3 are square wood strips, and are arranged along the length direction of the anti-vibration seam, and the cross section of the continuous groove 31 formed correspondingly is square. The drain pipes are arranged in the continuous groove 31 at intervals, so that accumulated water in the groove can be drained in time, and the dryness in the vibration-resistant seam is effectively ensured.

Step S2, arranging a steel plate 21 on one side surface of the post-construction unit section 2 opposite to the pre-construction unit section 1, and using the steel plate as a template of the first layer of the post-construction unit section 2; an anti-vibration seam is formed between the steel plate 21 and the first construction unit section 1, and a supporting structure 4 is arranged in the anti-vibration seam to meet the requirement of the width of the anti-vibration seam.

In this embodiment, set up structural reinforcement 22 in the department of meeting of post construction unit section 2 and steel sheet 21, structural reinforcement 22 and steel sheet 21 fixed connection. The supporting structures 4 are arranged at intervals along the length direction of the anti-vibration seam and are respectively attached to the steel plate 21 and the construction unit section 1; and rubber pads 41 are respectively attached to the contact surfaces of the support structure 4, the steel plate 21 and the first construction machine set section 1. In this embodiment, the supporting structure 4 is made of square wood, and the width of the square wood and the thickness of the rubber pads 41 on both sides can be determined according to the requirement of the anti-vibration seam width, so as to ensure that the square wood can be smoothly pulled out when the concrete form is removed.

And step S3, arranging a temporary cover plate 5 on the top of the supporting structure 4 in a full-length mode, and additionally arranging embedded parts 3 at the layered positions of the non-poured rear construction unit sections 2.

In this embodiment, the temporary cover plate 5 is arranged on the top of the support structure 4 in a full-length manner, so that the vibration isolation effect is prevented from being influenced by concrete or other sundries falling into the vibration-proof joint when the unit section 2 is constructed after pouring. The embedded parts 3 added at the layered positions of the unfired post-construction machine block section 2 are also used for forming the continuous groove 31, and are arranged opposite to the continuous groove 31 formed in the step S1.

And step S4, when the post-construction unit section 2 finishes the first-layer pouring and meets the form removal time, removing the temporary cover plate 5 and pulling out the support structure 4.

In this embodiment, before the temporary cover plate 5 is removed, impurities such as dust deposits above the temporary cover plate 5 should be removed first, so as to ensure that no impurities fall into the vibration-resistant seam during the removal process. When the supporting structure 4 is pulled out, the supporting structure is symmetrically and gradually pulled out from the two ends of the anti-vibration seam from outside to inside.

And step S5, arranging an anti-vibration connecting structure 6 on the top surface of the steel plate in a full-length mode, wherein the anti-vibration connecting structure is used for transitional connection between the construction unit section 1 and the post-construction unit section 2, is also used as a vibration isolation structure and can protect a part of formed anti-vibration seams.

In this embodiment, the anti-vibration connecting structure 6 is a corrugated plate, and after the layer is poured, a regular anti-vibration seam is formed, and in order to avoid the influence on the anti-vibration seam formed at the lower part when the upper pouring layer is constructed, the connecting corrugated plates are additionally arranged on the square grooves at the two sides formed at the top of the layer, and the connecting corrugated plates are also used as vibration isolation structures and can protect the formed part of the anti-vibration seam, and prevent sundries from falling into the seam. And sealing glue is coated on the joint of the anti-vibration connecting structure 6 and the first construction unit section 1 and the second construction unit section 2 on the two sides.

And S6, repeating the implementation steps S2-S5, completing the pouring construction of other layers above the first layer of the post-construction unit section 2, and forming a regular anti-vibration seam between the first construction unit section 1 and the post-construction unit section 2.

In the embodiment, when other layers above the first layer of the bottom are poured, the thin steel plates are arranged on all the layers, then the supporting square timbers are placed in the anti-seismic seams, the height of each square timbers is slightly smaller than the thickness of the concrete pouring layer, and the square timbers are prevented from touching the corrugated plates on the lower portions when the square timbers are arranged.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (7)

1. The utility model provides a pumped storage power station factory building bulky concrete anti vibration seam structure which characterized in that: the construction machine set comprises an initial construction machine set section (1) and a later construction machine set section (2) which are connected in a transition mode through an anti-vibration connecting structure (6), and a regular anti-vibration joint is formed between the initial construction machine set section (1) and the later construction machine set section (2).

2. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 1, wherein: and the side surface of the post-construction unit section (2) opposite to the side surface of the pre-construction unit section (1) is provided with a steel plate (21) which is used as a template for pouring the post-construction unit section (2).

3. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 2, wherein: the joint of the post-construction unit section (2) and the steel plate (21) is provided with a structural steel bar (22), and the structural steel bar (22) is fixedly connected with the steel plate (21).

4. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 1, wherein: the layering department of first construction unit section (1) and back construction unit section (2) all is provided with continuous groove (31), just continuous groove (31) are arranged along anti vibration joint length direction leads to long.

5. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 4, wherein: the continuous groove (31) is internally provided with drain pipes at intervals, so that accumulated water in the groove can be drained in time.

6. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 1, wherein: and sealing glue is brushed on the joints of the anti-vibration connecting structure (6) and the first construction unit section (1) and the second construction unit section (2).

7. The pumped storage power plant large volume concrete anti-vibration seam structure of claim 1, wherein: the anti-vibration connecting structure (6) is a corrugated plate.

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