Gantry crane track beam structure concurrently serving as water gate transverse connection and construction method
By designing a gantry crane track beam structure that also serves as the transverse connection of the sluice, and using reinforced concrete and transversely connected tensile steel bars to consolidate the sluice piers, the problem of flow-induced vibration of the sluice piers in the sluice project was solved, achieving safety and reducing height.
Patent Information
- Application Number
- CN202510960206.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2025-10-17
AI Technical Summary
In sluice projects, gate piers are prone to flow-induced vibration under the action of flood discharge, which affects the safety of the project and is difficult to effectively solve with existing technologies.
A gantry crane track beam structure that also serves as the transverse connection for the sluice gate is designed. It adopts a reinforced concrete structure and is consolidated with the gate piers through transverse connection tensile steel bars. Combined with rubber bearings and dowel bars, it forms an integral structure, reducing the gate pier height and the risk of flow-induced vibration.
Effectively reduce or eliminate the potential safety hazards caused by flow-induced vibration of gate piers, lower the height of gate piers, and improve project safety.
Smart Images
Figure CN120797619A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of water conservancy and hydropower engineering, in particular to a gate machine track beam structure serving as a lateral connection of a water gate and a construction method. BACKGROUND
[0002] In a water gate project, a gate machine is usually arranged to hoist a working gate and a maintenance gate. The gate machine needs to be movable along the dam axis direction so as to take into account each gate hole. Therefore, a gate machine track beam is usually arranged on the top of a gate pier to create conditions for the movement of the gate machine. The gate pier of the water gate is generally high in height and thin in thickness. Under the action of flood discharge flow, flow-induced vibration may occur, which is not conducive to the safety of the project. SUMMARY
[0003] The first aspect of the present application provides a gate machine track beam structure serving as a lateral connection of a water gate. The gate machine track beam structure can help to reduce or eliminate the safety hazards caused by the flow-induced vibration of the gate pier, and can also reduce the elevation of the gate pier.
[0004] The gate machine track beam structure serving as a lateral connection of a water gate provided by the first aspect of the present application comprises a gate machine track beam. The gate machine track beam is a reinforced concrete structure with a preset length and width. The gate machine track beam is provided with track beam reinforcement and lateral connection tensile reinforcement. The lateral connection tensile reinforcement extends along the length direction of the gate machine track beam and is arranged on one side of the top and one side of the bottom of the gate machine track beam. The top of the gate machine track beam is provided with a track facilitating the passage of the gate machine. The gate machine track beam is arranged on the top of the gate pier along the length direction of the two sides and is fixedly connected with the gate pier.
[0005] In addition, the gate machine track beam structure serving as a lateral connection of a water gate provided by the present application also has the following additional technical features: In an optional scheme, the gate pier is provided with a notch on the side facing the gate machine track beam for arranging the gate machine track beam. The gate pier reinforcement provided in the gate pier is exposed to the notch. The two ends of the lateral connection tensile reinforcement are exposed to the two sides of the gate machine track beam and are welded to the gate pier reinforcement at the notch. The notch is poured with secondary concrete to fixedly connect the gate machine track beam and the gate pier.
[0006] In an optional scheme, the gate pier is provided with a rubber support at the position where the gate machine track beam is arranged, and the gate pier is provided with pressure reinforcement in the concrete structure corresponding to the position of the rubber support. A plurality of insertion reinforcements are arranged between the gate machine track beam and the gate pier. The plurality of insertion reinforcements are arranged in a quincunx shape.
[0007] In an alternative, the door machine track beam is provided with a lifting hole for lifting and a drainage hole for drainage, the drainage hole is formed by a pre-buried PVC pipe; the door machine track beam is provided with a pavement layer on both sides of the track, the upstream and downstream sides of the pavement layer have a higher elevation than the elevation of the track.
[0008] The second aspect of the present application provides a construction method for constructing the door machine track beam structure of the first aspect, the construction method comprises the following steps: 1) The steel bars in the door machine track beam and the door machine track embedded parts at the top of the beam are made and installed according to the design requirements, the drainage holes are provided and the PVC drainage pipes are arranged, the door machine track beam is precast by pouring concrete, and the bearing formwork must be arched during pouring, and the arching value at the middle of the span is 2.0 cm; 2) The steel bars of the pier are made and installed according to the design requirements, the pressure steel bars need to be installed in the pier at the bottom of the door machine track beam, the pier concrete is poured to the elevation of the bottom of the door machine track beam, the pier concrete is continuously poured to the elevation of the top of the pier, the inserted steel bars are arranged according to the design requirements, the second-stage concrete is reserved at both ends of the door machine track beam, and the pier steel bars extend into the second-stage concrete by the required length and are welded on both sides; 3) After the precast of the door machine track beam is completed and the strength reaches 100%, the door machine track beam is transported to the top of the dam, the steel cable is passed through the lifting hole for lifting, and the rubber support is arranged in advance at the contact position between the pier and the bottom of the door machine track beam before lifting; 4) After the lifting is completed, the door machine track beam transverse connection tension steel bars and the pier steel bars in the second-stage concrete range are installed and welded, and the second-stage concrete is poured; 5) The door machine track is installed and the pavement layer is paved, the drainage holes in the pavement layer are provided and the PVC drainage pipes are arranged to be connected with the drainage holes of the door machine track beam.
[0009] The beneficial effects of the present application are: The door machine track beam structure in the present application connects the adjacent piers into a whole through the door machine track beam, which improves the stress state of the pier structure and is beneficial to reduce or even eliminate the safety hazards caused by the pier flow-induced vibration; in addition, the two sides of the door machine track beam are consolidated with the pier, compared with the simply supported beam, the bottom bending moment at the middle of the span is reduced, which can effectively reduce the height of the pier and thus reduce the elevation of the top of the water gate.
[0010] It should be understood that the foregoing general description and the following detailed description are only exemplary and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 The planar arrangement schematic diagram of the door machine track beam structure provided by the present application; Figure 2 The cross-sectional structure schematic diagram of the door machine track beam structure in the present application at A-A; Figure 1 The cross-sectional structure schematic diagram of the door machine track beam structure in the present application at A-A; Figure 3 The cross-section reinforcement drawing of the portal track beam provided in the present application is shown in the following table: Figure 4 The cross-section reinforcement drawing of the portal track beam provided in the present application is shown in the following table: Figure 5 The reinforcement drawing of the pier at the second-stage concrete is provided in the present application.
[0012] The cross-section reinforcement drawing of the portal track beam provided in the present application is shown in the following table:
[0013] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the present application and, together with the description, further serve to explain the principles of the present application. DETAILED DESCRIPTION
[0014] In order to better understand the technical solutions of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0015] It should be clear that the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other technical solutions obtained by those skilled in the art without creative labor, fall within the scope of protection of the present application.
[0016] The terms used in the embodiments of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The singular forms "a", "an" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.
[0017] It should be understood that the term "and / or" used herein is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.
[0018] It should be noted that the "up", "down", "left", "right" and other directional words described in the embodiments of the present application are described from the angle shown in the drawings, and should not be understood as a limitation on the embodiments of the present application. In addition, in the context, it should also be understood that when referring to an element connected to another element "on" or "under", it can be directly connected to another element "on" or "under", or indirectly connected to another element "on" or "under" through an intermediate element.
[0019] As Figures 1-5 shown, the first aspect of the embodiment of the application provides a door machine track beam structure serving as a water gate transverse connection, which mainly comprises a door machine track beam 1, the door machine track beam 1 is a prefabricated beam with a preset length and width, adopts a reinforced concrete structure, and the structural size, concrete strength grade and reinforcement all meet the structural stress requirements. The door machine track beam 1 is provided with a track beam reinforcement 11 and a transverse connection tensile reinforcement 12, the transverse connection tensile reinforcement 12 extends along the length direction of the door machine track beam 1 and is arranged on one side of the top and one side of the bottom of the door machine track beam 1, the top of the door machine track beam 1 is provided with a track facilitating the passage of the door machine; the two sides of the door machine track beam 1 along the length direction are arranged on the top of the gate pier 2 and fixedly connected with the gate pier 2.
[0020] The door machine track beam structure in the embodiment connects the adjacent gate piers 2 into a whole through the door machine track beam 1, improves the stress state of the gate pier 2 structure, and is beneficial to reducing or even eliminating the safety hidden danger caused by the flow-induced vibration of the gate pier 2; in addition, the two sides of the door machine track beam 1 are fixed with the gate pier 2, compared with a simply supported beam, the bottom bending moment in the beam span is reduced, the height of the gate pier 2 can be effectively reduced, and thus the water gate top elevation is reduced. Specifically, the embodiment connects the adjacent gate piers 2 into a whole through the door machine track beam 1, which can greatly eliminate the possibility of flow-induced vibration. Because the door machine load is usually large, the size of the door machine track beam 1 is usually large, according to the current “Water Gate Design Specification” requirement, the bottom elevation of the dam top bridge should be higher than the highest flood or the highest static water level by 0.5 m or more, the gate top elevation of many water gate projects is controlled by the size of the door machine track beam 1, if the height of the door machine track beam 1 can be reduced, the height of the gate pier 2 can be reduced. Therefore, the door machine track beam structure has certain practical significance for eliminating the safety hidden danger caused by the flow-induced vibration of the gate pier 2 and effectively reducing the elevation of the gate pier 2.
[0021] As Figures 1-2 and Figure 5 shown, in a specific embodiment, the gate pier 2 is provided with a notch on the side facing the door machine track beam 1 for arranging the door machine track beam 1, the gate pier reinforcement 21 arranged in the gate pier 2 is exposed to the notch, the two ends of the transverse connection tensile reinforcement 12 are exposed to the two sides of the door machine track beam 1 and welded with the gate pier reinforcement 21 at the notch, and the notch is poured with the second-stage concrete 3 to fixedly connect the door machine track beam 1 and the gate pier 2.
[0022] Specifically, in the present embodiment, the transverse connecting tensioned steel bars 12 extend beyond the anchoring length of the concrete surface at both ends, and the anchoring length extends into the range of the second-stage concrete 3 reserved in the gate pier 2. The gate pier steel bars 21 are arranged in the range of the second-stage concrete 3 reserved in the gate pier 2, and only the length required by double-sided welding extends into the range of the second-stage concrete 3 in order to avoid affecting hoisting. The gate pier steel bars 21 in the range of the second-stage concrete 3 are installed and welded after the completion of hoisting of the gantry crane rail beam 1.
[0023] As shown in Figures 2-5 a specific embodiment, in order to improve the stress state of the structure of the contact part between the bottom of the gantry crane rail beam 1 and the gate pier 2, and avoid local deformation and damage due to stress concentration, the gate pier 2 is provided with a rubber support 4 at the position where the gantry crane rail beam 1 is erected, and the gate pier 2 is provided with pressure-bearing steel bars in the concrete structure corresponding to the position of the rubber support 4. In order to strengthen the connection, the gate pier 2 and the gantry crane rail beam 1 are arranged with the plug bars 5 in a plum blossom shape at intervals of 50 cm, and then the second-stage concrete 3 of the gate pier 2 is poured to make the gantry crane rail beam 1 and the gate pier 2 into an integral whole.
[0024] As shown in Figures 1-3 a specific embodiment, the gantry crane rail beam 1 is provided with lifting holes 13 for lifting and drainage holes 14 for drainage, and the drainage holes 14 are formed by pre-buried PVC pipes. The gantry crane rail beam 1 is provided with a paving layer 15 on both sides of the track, and the upstream and downstream elevations of the paving layer 15 are higher than the elevation of the track.
[0025] Specifically, in the present embodiment, four lifting holes 13 are arranged on both sides of the gantry crane rail beam 1 for hoisting. During hoisting, the concrete strength must reach 100% of the design strength, and the construction is preferably carried out in the season of average annual temperature to prevent the generation of large temperature stress at the support position in low or high temperature. The upstream and downstream elevations of the paving layer 15 on both sides of the gantry crane rail are higher than the elevation of the middle track, and rainwater and the like are drained away through the drainage holes 14 on both sides of the track. The drainage holes 14 are formed by pre-buried PVC pipes, and the diameter of the drainage holes 14 can be 10 cm and the spacing can be 3 m.
[0026] The second aspect of the present application provides a construction method for constructing the gantry crane rail beam structure serving as the transverse connection of the water gate in the first aspect of the embodiment, and the construction method comprises the following steps: 1) The steel bars in the gantry crane rail beam 1 and the gantry crane rail pre-buried parts at the top position of the beam are made and installed according to the design requirements, the drainage holes 14 are provided and the PVC drainage pipes are arranged, the concrete is poured to complete the prefabrication of the gantry crane rail beam 1, and the bearing formwork must be arched during pouring, and the arching value at the middle span is 2.0 cm; 2) According to the design requirements, the gate pier steel bars 21 are made and installed, the pressure bearing steel bars are installed in the gate pier 2 at the bottom position of the gate machine track beam 1, the gate pier 2 concrete is poured to the bottom elevation of the gate machine track beam 1; the gate pier 2 concrete is continuously poured to the gate top elevation, the inserted bars 5 are arranged according to the design requirements, the secondary concrete 3 is reserved at both ends of the gate machine track beam 1, and the gate pier steel bars 21 extend into the secondary concrete 3 by the required length for double-sided welding; 3) After the gate machine track beam 1 is completed and reaches 100% strength, it is transported to the dam top, the steel cable is passed through the lifting hole 13 for hoisting, before hoisting, the rubber support 4 is arranged in advance at the contact position between the gate pier 2 and the bottom of the gate machine track beam 1; 4) After hoisting is completed, the gate machine track beam 1 transverse connecting tension steel bars 12 and the gate pier steel bars 21 in the range of the secondary concrete 3 are installed and welded, and the secondary concrete 3 is poured; 5) The gate machine track is installed and the pavement layer 15 is paved, the drainage holes 14 are arranged in the pavement layer 15 and the PVC drainage pipes are arranged and connected with the drainage holes 14 of the gate machine track beam 1.
[0027] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A gantry crane track beam structure that also serves as a transverse connection for a sluice gate, characterized in that: It includes a gantry crane track beam, which is a reinforced concrete structure with a preset length and width. Track beam steel bars and transverse connecting tensile steel bars are provided in the gantry crane track beam. The transverse connecting tensile steel bars extend along the length direction of the gantry crane track beam and are arranged on the top and bottom sides of the gantry crane track beam. The top of the gantry crane track beam is provided with a track for facilitating the passage of the gantry crane; the gantry crane track beam is erected on the top of the gate pier on both sides along the length direction and is fixedly connected to the gate pier.
2. The gantry crane track beam structure serving as a transverse connection for a sluice gate according to claim 1, characterized in that: The gate pier is provided with a notch on the side facing the gantry crane track beam for setting up the gantry crane track beam, the pier steel bars arranged in the gate pier are exposed at the notch, both ends of the transverse connecting tensile steel bars are exposed at both sides of the gantry crane track beam and are welded to the gate pier steel bars at the notch, and the notch is poured with second-phase concrete to fix the gantry crane track beam and the gate pier.
3. The gantry crane track beam structure serving as a transverse connection for a sluice gate according to claim 2, characterized in that: The gate pier is provided with a rubber bearing at the position where the gantry crane track beam is erected, and the gate pier is provided with a pressure-bearing steel bar in the concrete structure corresponding to the position of the rubber bearing; a plurality of dowel bars are provided between the gantry crane track beam and the gate pier, and the plurality of dowel bars are arranged in a plum blossom shape at intervals.
4. The gantry crane track beam structure serving as a transverse connection for a sluice gate according to any one of claims 1 to 3, characterized in that: The gantry crane track beam is provided with a lifting hole for lifting and a drainage hole for drainage, and the drainage holes are formed by pre-buried PVC pipes; the gantry crane track beam is provided with a pavement layer on both sides of the track, and the upstream and downstream sides of the pavement layer are higher than the elevation of the track.
5. A construction method for constructing a gantry crane track beam structure serving as a transverse connection for a sluice gate according to any one of claims 1 to 4, characterized in that: The construction method comprises the following steps: 1) According to the design requirements, manufacture and install the steel bars in the gantry crane track beam and the gantry crane track embedded parts at the top of the beam, set drainage holes and arrange PVC drainage pipes, and pour concrete to complete the prefabrication of the gantry crane track beam. During pouring, the load-bearing formwork must be arched, with a mid-span arch value of 2.0 cm; 2) Fabricate and install gate pier reinforcement according to design requirements. Bearing reinforcement must be installed in the gate pier at the bottom of the gantry crane track beam. Pour gate pier concrete to the bottom elevation of the gantry crane track beam. Continue pouring gate pier concrete to the gate top elevation and arrange dowel bars according to design requirements. Reserve second-phase concrete at both ends of the gantry crane track beam. The gate pier reinforcement extends into the second-phase concrete to the length required for double-sided welding. 3) After the gantry crane track beam is prefabricated and reaches 100% strength, it is transported to the dam top and the steel cable is passed through the lifting hole for hoisting. Before hoisting, rubber bearings are installed in advance at the contact point between the gate pier and the bottom of the gantry crane track beam; 4) After the hoisting is completed, install and weld the transverse connection tensile steel bars of the gantry crane track beam within the scope of the second phase concrete and the gate pier steel bars, and pour the second phase concrete; 5) Install the gantry crane track and lay the pavement layer. Set drainage holes in the pavement layer and arrange PVC drainage pipes to connect to the drainage holes of the gantry crane track beam.