A super-high pier and long-span rigid frame bridge structure

Abstract

The utility model belongs to the technical field of bridge construction engineering application in mountainous areas, and specifically discloses a super-high pier large-span rigid frame bridge structure, including piers, bridges, lower caps, lower cap limiting circular grooves, circular limiting convex rings, transition caps, transition cap clamping grooves, upper cap convex parts, upper caps, connecting caps, connecting cap grooves and bridge convex parts, etc. The beneficial effects of the super-high pier large-span rigid frame bridge structure of the utility model are: 1. Compared with the current super-high pier large-span continuous rigid frame bridge structure, the overall structure is a three-part modular combination assembly design, which is convenient for construction and shortens the construction period; 2. The design structure of the transition cap clamping groove, upper cap convex part, circular inner screw sleeve, horizontal stainless steel pipe, circular protective sleeve with holes, screw, limiting block, elastic module and adjusting nut realizes the stable anti-slip design between the transition cap and the upper cap, and also performs horizontal multi-angle buffering and earthquake resistance, improves the earthquake resistance of the overall structure, and provides stable support and protection for the bridge.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction engineering application in mountainous areas, and specifically relates to a super-high pier and large-span rigid frame bridge structure. Background Art

[0002] A bridge in which the span structure and piers are integrally connected is called a rigid frame bridge, also known as a rigid frame bridge.

[0003] Rigid frame bridges have the following characteristics: (1) The unloading effect of negative bending moment under dead load and live load is basically similar to that of continuous beams; (2) The bridge piers participate in the bending effect, which further reduces the bending moment of the main beam; (3) The area of ​​the bending moment diagram is small, the span capacity is large, and the beam height is low when the span is small; (4) The number of static indeterminacy is high, and it is sensitive to annual temperature differences, foundation deformation, and solar temperature; (5) Rigid frame bridges have beautiful appearance, small structural dimensions, large clearance under the bridge, and a wide field of vision under the bridge. They are often used for bridges that require large clearance and are restricted in building height, such as overpasses and viaducts.

[0004] After searching: Application No. / Patent No. 201920953756.6 discloses a super-high pier and large-span continuous rigid frame bridge structure, which includes: a lower pedestal, whose upper surface is provided with multiple slots, and the bottom of the lower pedestal is provided with multiple pressure-bearing pile foundations; an upper pedestal, which includes a cover plate and multiple blocks, and a block is movably arranged in a slot; and bridge piers and bridges are arranged on the top of the upper pedestal in sequence. The utility model is provided with a structure of an upper pedestal and a lower pedestal that can be relatively movable in multiple directions, so that the utility model can dissipate multiple directions of earthquake energy during an earthquake. During an earthquake, the energy input into the piers and bridges is greatly reduced, reducing the seismic response of the structure, having a good shock-absorbing effect, ensuring that the structure of the bridge is not affected, and ensuring the post-earthquake integrity of the bridge structure, providing smooth road traffic for earthquake rescue; the utility model greatly improves the seismic performance of the rigid frame bridge, and has the advantages of low cost and good durability.

[0005] The applicant has found through analysis that the U-shaped connector 12 in the above technical solution has a problem of poor strength. If the vibration generated after an earthquake causes the connector 12 to deform or break, it will cause the upper pedestal 2 and the lower pedestal 1 to separate, affecting the stability of the pier 4 and the bridge 5.

[0006] Therefore, based on the above problems, the utility model provides a super-high pier and large-span rigid frame bridge structure. Utility Model Content

[0007] Purpose of the utility model: The purpose of the utility model is to provide an ultra-high pier and large-span rigid frame bridge structure to solve the technical problems existing in the background technology.

[0008] Technical solution: The utility model provides a super-high pier large-span rigid frame bridge structure, including a pier and a bridge, wherein the outer wall of the upper end face of the pier is provided with a lower pedestal, one side of the lower pedestal is provided with a lower pedestal limiting circular groove, a circular limiting convex ring is provided in the lower pedestal limiting circular groove, one side of the circular limiting convex ring is provided with a transition pedestal, one side of the transition pedestal is provided with a transition pedestal clamping groove, an upper pedestal convex portion is provided in the transition pedestal clamping groove, one side of the upper pedestal convex portion is provided with an upper pedestal, one side of the upper pedestal is provided with a connecting pedestal, one side of the connecting pedestal is provided with a connecting pedestal groove, and the bridge is provided with a bridge convex portion embedded in the connecting pedestal groove; wherein the lower pedestal, the transition pedestal, the upper pedestal and the connecting pedestal are circular structures used in combination and have the same diameter size, the circular limiting convex ring is fixedly cast in the lower pedestal limiting circular groove, and the bridge convex portion is fixedly cast in the connecting pedestal groove.

[0009] In the present technical solution, the super-high pier large-span rigid frame bridge structure also includes a plurality of horizontal stainless steel pipes arranged in a circular layout in the transition pedestal and used in conjunction with the transition pedestal slot, and circular perforated protective sleeves respectively arranged on the outer wall of the transition pedestal and aligned one-to-one with the horizontal stainless steel pipes, and a circular inner screw sleeve partially in the outer wall of the upper pedestal convex part, and a screw rod respectively penetrating the circular perforated protective sleeve and the horizontal stainless steel pipe and rotatably connected to the circular inner screw sleeve at one end, and a limit block respectively arranged at the other end of the screw rod and located in the circular perforated protective sleeve, and an elastic module respectively arranged on the screw rod and used in conjunction with the limit block and the transition pedestal, and an adjusting nut respectively arranged at the other end of the screw rod and located on the outer layer of the circular perforated protective sleeve; wherein the transition pedestal slot and the upper pedestal convex part are arranged as a square structure or a circular structure used in conjunction with each other, and the outer wall of the upper pedestal convex part does not contact the inner wall of the transition pedestal slot.

[0010] In the technical solution, the super-high pier large-span rigid frame bridge structure also includes a circular transition support platform arranged on one side of the transition pedestal and located on the outer layer of the transition pedestal groove; wherein the circular transition support platform is a concrete casting layer.

[0011] In the technical solution, the lower pedestal and the lower pedestal limiting circular groove are cast by concrete and arranged on the outer wall of the upper end surface of the pier.

[0012] In the technical solution, the circular limiting convex ring, transition pedestal, transition pedestal slot, circular transition support platform and circular protective sleeve with holes are cast by concrete; wherein, a plurality of horizontal stainless steel pipes are preset in the transition pedestal for casting.

[0013] In the technical solution, the upper support platform convex part, the upper support platform, the connecting support platform and the connecting support platform groove are cast by concrete; wherein the circular inner screw sleeve is preset in the upper support platform convex part for casting.

[0014] Compared with the prior art, the beneficial effects of the super-high pier and large-span rigid frame bridge structure of the utility model are: 1. Compared with the current super-high pier and large-span continuous rigid frame bridge structure, the overall design is a three-part modular combination assembly, which is convenient for construction and shortens the construction period; 2. The design structure of the transition pedestal slot, the upper pedestal convex part, the circular inner thread sleeve, the horizontal stainless steel pipe, the circular perforated protective sleeve, the screw, the limit block, the elastic module and the adjusting nut realizes a stable anti-slip design between the transition pedestal and the upper pedestal, and also performs horizontal multi-angle buffering and seismic resistance, thereby improving the seismic resistance of the overall structure and providing stable support and protection for the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a main structural schematic diagram of the super-high pier and large-span rigid frame bridge structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the top view of the structure of the pier column, the lower pedestal, and the lower pedestal limiting circular groove of the super-high pier and large-span rigid frame bridge structure of the utility model;

[0018] Figure 3 It is a partial enlarged structural schematic diagram of the super-high pier large-span rigid frame bridge structure of the utility model;

[0019] Among them, the serial numbers in the figure are as follows: 100-pier, 101-lower pedestal, 102-lower pedestal limiting circular groove, 103-circular limiting convex ring, 104-transition pedestal, 105-transition pedestal slot, 106-upper pedestal convex part, 107-upper pedestal, 108-connecting pedestal, 109-connecting pedestal groove, 110-bridge, 110-1 bridge convex part, 111-circular transition supporting platform, 112-circular inner threaded sleeve, 113-horizontal stainless steel pipe, 114-circular protective cover with holes, 115-screw, 116-elastic module, 117-adjusting nut, 118-limiting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Embodiment 1

[0023] like Figure 1 , Figure 2 and Figure 3 The super-high pier and long-span rigid frame bridge structure shown in the figure includes a pier 100 and a bridge 110.

[0024] The upper end surface outer wall of the pier 100 is provided with a lower support 101.

[0025] A lower support platform limiting circular groove 102 is provided on one side of the lower support platform 101.

[0026] A circular limiting convex ring 103 is provided in the lower support platform limiting circular groove 102.

[0027] A transition platform 104 is provided on one side of the circular limiting convex ring 103.

[0028] A transition platform slot 105 is provided on one side of the transition platform 104.

[0029] An upper platform protrusion 106 is provided in the transition platform slot 105.

[0030] An upper support 107 is provided on one side of the upper support protrusion 106.

[0031] A connecting support 108 is provided on one side of the upper support 107.

[0032] A connecting platform groove 109 is provided on one side of the connecting platform 108.

[0033] The bridge 110 is provided with a bridge protrusion 110 - 1 embedded in the connecting platform groove 109 ;

[0034] Among them, the lower pedestal 101, the transition pedestal 104, the upper pedestal 107, and the connecting pedestal 108 are arranged as circular structures for complementary use and have the same diameter size. The circular limiting convex ring 103 is fixedly cast in the lower pedestal limiting circular groove 102 (concrete is injected into the lower pedestal limiting circular groove 102, and the concrete fixes the circular limiting convex ring 103 in the lower pedestal limiting circular groove 102), and the bridge protrusion 110-1 is fixedly cast in the connecting pedestal groove 109 (concrete is injected into the connecting pedestal groove 109, and the concrete fixes the bridge protrusion 110-1 in the connecting pedestal groove 109).

[0035] Embodiment 2

[0036] On the basis of the first embodiment, the ultra-high pier large-span rigid frame bridge structure also includes a plurality of horizontal stainless steel pipes 113 arranged in a circular layout in cooperation with the transition platform slots 105, and circular perforated protective sleeves 114 respectively arranged on the outer wall of the transition platform 104 and aligned one by one with the horizontal stainless steel pipes 113, and a circular inner screw sleeve 112 partially in the outer wall of the upper platform convex part 106, and screws 115 respectively passing through the circular perforated protective sleeve 114 and the horizontal stainless steel pipe 113 and rotatably connected to the circular inner screw sleeve 112 at one end, and limit blocks 118 respectively arranged at the other end of the screw 115 and located in the circular perforated protective sleeve 114, and limit blocks 118 respectively arranged on the screw 115. 5, and the elastic module 116 (spring) used in conjunction with the limit block 118 and the transition platform 104, and the adjusting nut 117 respectively arranged at the other end of the screw 115 and located on the outer layer of the circular perforated protective sleeve 114, the above design is used to lock and fix the transition platform 104 and the upper platform 107 through the circular inner screw sleeve 112 and the horizontal stainless steel pipe 113 using the screw 115 to prevent the operation from falling off, while the elastic module 116, the circular perforated protective sleeve 114, and the limit block 118 play a multi-angle anti-seismic buffering limit protection for the upper platform convex part 106 and the upper platform 107, and the rotating adjusting nut 117 can perform the corresponding horizontal limit locking and fixing adjustment on the screw 115;

[0037] The transition platform slot 105 and the upper platform protrusion 106 are configured to be a square structure or a circular structure for use with each other, and the outer wall of the upper platform protrusion 106 does not contact the inner wall of the transition platform slot 105 .

[0038] Embodiment 3

[0039] On the basis of the first embodiment or the embodiment, the super-high pier large-span rigid frame bridge structure further includes a circular transition support platform 111 disposed on one side of the transition cap 104 and located on the outer layer of the transition cap slot 105;

[0040] The circular transition support platform 111 is a concrete casting layer, which is used to provide an anti-wear function for the connection surface with the upper support platform 107 .

[0041] In addition, the lower pedestal 101 and the lower pedestal limiting circular groove 102 (the lower pedestal 101 and the lower pedestal limiting circular groove 102 are the first part) are preferably cast by concrete and arranged on the outer wall of the upper end surface of the pier 100, wherein the lower pedestal 101 and the lower pedestal limiting circular groove 102 are cast by high-performance concrete on the pier 100, and have high bearing strength and safety.

[0042] In addition, the preferred circular limiting convex ring 103, transition pedestal 104, transition pedestal slot 105, circular transition support platform 111 and circular protective cover with holes 114 are cast by concrete, and high-performance concrete is used for casting, which has high bearing strength and safety; among them, several horizontal stainless steel pipes 113 are preset in the transition pedestal 104 for casting and forming, so as to realize the overall rapid modular production (the circular limiting convex ring 103, transition pedestal 104, transition pedestal slot 105, circular transition support platform 111, several horizontal stainless steel pipes 113 and circular protective cover with holes 114 are the second part).

[0043] In addition, the upper support platform protrusion 106, the upper support platform 107, the connecting platform 108 and the connecting platform groove 109 are preferably cast by concrete, and are cast using high-performance concrete, which has high bearing strength and safety; wherein, the circular inner threaded sleeve 112 is preset in the upper support platform protrusion 106 for casting and molding, realizing overall rapid modular production (the upper support platform protrusion 106, the upper support platform 107, the connecting platform 108 and the connecting platform groove 109 and the circular inner threaded sleeve 112 are the third part).

[0044] In addition, the lower pedestal 101, transition pedestal 104, upper pedestal 107, and connecting pedestal 108 are preferably configured as square structures for use in conjunction with each other and have the same size, so as to be suitable for the assembly and bearing use of bridges 110 of different sizes.

[0045] The structural principle or working principle of the super-high pier and long-span rigid frame bridge structure of this structure:

[0046] First, concrete is injected into the lower bearing platform limiting circular groove 102, and the concrete fixes the circular limiting convex ring 103 into the lower bearing platform limiting circular groove 102;

[0047] Then, the upper platform protrusion 106 is inserted into the transition platform slot 105, and the screw 115 is rotated so that one end of the screw 115 is fixedly connected to the circular inner thread sleeve 112, and the adjusting nut 117 is rotated to lock the screw 115 accordingly. In this process, it is necessary to ensure that one side of the upper platform 107 is in close contact with the surface of the circular transition support platform 111;

[0048] Finally, concrete is injected into the connection base groove 109 , and the concrete fixes the bridge protrusion 110 - 1 in the connection base groove 109 .

[0049] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A super-high pier and long-span rigid frame bridge structure, comprising a pier column (100) and a bridge (110), characterized in that: The upper end surface outer wall of the pier column (100) is provided with a lower support platform (101). A lower support platform limiting circular groove (102) is provided on one side of the lower support platform (101). A circular limiting convex ring (103) is arranged in the lower support platform limiting circular groove (102). A transition support (104) is provided on one side of the circular limiting convex ring (103). A transition support platform slot (105) is provided in one side of the transition support platform (104). An upper support protrusion (106) is arranged in the transition support groove (105). An upper support (107) is provided on one side of the upper support convex portion (106). A connecting platform (108) is provided on one side of the upper platform (107). A connecting platform groove (109) is provided on one side of the connecting platform (108). The bridge (110) is provided with a bridge protrusion (110-1) embedded in the connection base groove (109); Among them, the lower pedestal (101), the transition pedestal (104), the upper pedestal (107), and the connecting pedestal (108) are configured as circular structures for use in conjunction with each other and have the same diameter size. The circular limiting convex ring (103) is fixedly cast in the lower pedestal limiting circular groove (102), and the bridge protrusion (110-1) is fixedly cast in the connecting pedestal groove (109).

2. The super-high pier long-span rigid frame bridge structure according to claim 1, characterized in that: The super-high pier large-span rigid frame bridge structure also includes a plurality of transverse stainless steel pipes (113) arranged in a circular arrangement in cooperation with the transition pedestal slots (105), and circular perforated protective sleeves (114) respectively arranged on the outer wall of the transition pedestal (104) and aligned one by one with the transverse stainless steel pipes (113), and a circular inner screw sleeve (112) partially in the outer wall of the upper pedestal convex part (106), and a plurality of transverse stainless steel pipes (113) respectively penetrating the circular perforated protective sleeves (114), the transverse stainless steel pipes (113), and the circular inner screw sleeves (112) respectively penetrating the circular perforated protective sleeves (114), the transverse stainless steel pipes (113). 13), and a screw (115) having one end rotatably connected to a circular inner screw sleeve (112), and a stop block (118) respectively arranged at the other end of the screw (115) and located in a circular perforated protective sleeve (114), and an elastic module (116) respectively arranged on the screw (115) and used in conjunction with the stop block (118) and the transition support (104), and an adjusting nut (117) respectively arranged at the other end of the screw (115) and located in the outer layer of the circular perforated protective sleeve (114); The transition platform slot (105) and the upper platform protrusion (106) are arranged to be a square structure or a circular structure for use together, and the outer wall of the upper platform protrusion (106) does not contact the inner wall of the transition platform slot (105).

3. The super-high pier long-span rigid frame bridge structure according to claim 2, characterized in that: The super-high pier large-span rigid frame bridge structure also includes a circular transition support platform (111) arranged on one side of the transition pedestal (104) and located on the outer layer of the transition pedestal slot (105); Wherein, the circular transition support platform (111) is a concrete pouring layer.

4. The super-high pier long-span rigid frame bridge structure according to claim 1, characterized in that: The lower support platform (101) and the lower support platform limiting circular groove (102) are cast by concrete and arranged on the outer wall of the upper end surface of the pier column (100).

5. The super-high pier long-span rigid frame bridge structure according to claim 3, characterized in that: The circular limiting convex ring (103), the transition support platform (104), the transition support platform slot (105), the circular transition support platform (111) and the circular protective sleeve with holes (114) are cast by concrete; Among them, a plurality of transverse stainless steel pipes (113) are preset in the transition base (104) for casting and forming.

6. The super-high pier long-span rigid frame bridge structure according to claim 2, characterized in that: The upper support platform protrusion (106), the upper support platform (107), the connecting support platform (108) and the connecting support platform groove (109) are formed by concrete pouring; The circular inner screw sleeve (112) is preset in the upper support platform convex portion (106) for casting and forming.

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