CN220183792U - Double-deck bridge upper beam braced system - Google Patents
Double-deck bridge upper beam braced system Download PDFInfo
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- CN220183792U CN220183792U CN202321860805.4U CN202321860805U CN220183792U CN 220183792 U CN220183792 U CN 220183792U CN 202321860805 U CN202321860805 U CN 202321860805U CN 220183792 U CN220183792 U CN 220183792U
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Abstract
A double-deck bridge upper beam support system comprises a support frame, wherein the support frame is erected on a lower deck bridge body; the lower layer bridge body is erected on the lower cross beam, the lower cross beam is transversely arranged, two ends of the lower cross beam are provided with bridge piers, and the top ends of the bridge piers are higher than the lower layer bridge body; the support frame is along transversely setting up a plurality ofly, all is connected through the first tie-beam that transversely sets up between the top of adjacent support frame, and the top of pier all is connected through the first tie-beam that transversely sets up with the top of inboard adjacent support frame, all installs the layer board that is used for supporting the entablature on first tie-beam and the pier. According to the utility model, the support frame is transversely supported by the bridge pier, so that the support frame is stable under the condition that the lower-layer bridge body is inclined, and therefore, the upper cross beam above the support frame is stably supported, the load of the upper cross beam is not only transferred to the lower-layer bridge body by the support frame, but also transferred to the bridge pier by the first connecting beam, the compression of the lower-layer bridge body is reduced, and the cracking caused by overlarge load is avoided.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a double-deck bridge upper layer beam support system.
Background
The double-deck bridge is a bridge with an upper deck and a lower deck, fully utilizes limited ground space, forms more traffic roads and improves traffic efficiency. In the construction process of the double-deck bridge, the structure is constructed layer by layer from top to bottom, after the bridge pier is built, a lower beam is built on the bridge pier, a lower layer box girder is erected on the lower beam to construct a lower layer bridge body, a supporting system is erected on the lower layer bridge body to construct an upper beam, and finally the box girder is erected on the upper beam to construct an upper layer bridge body.
In the current double-deck bridge construction process, entablature support system only erects on the lower floor's bridge body, because the bridge floor of double-deck bridge is not straight completely, in the turn, the bridge floor needs the slope setting, even the lower floor's bridge body also becomes the slope setting, entablature support volume erects on the slope lower floor's bridge body, and stability is relatively poor not only to entablature transmits the load on the lower floor's bridge body too big, causes the lower floor's bridge body to fracture easily, further reduces the stability that the entablature supported.
Disclosure of Invention
Aiming at the defects existing in the related art, the utility model provides a double-deck bridge upper layer beam supporting system, which aims to solve the problems of insufficient stability and overlarge load existing in the prior supporting system which is completely erected on a lower layer bridge body.
The utility model provides a double-deck bridge upper layer beam support system, which comprises a support frame, wherein the support frame is erected on a lower layer bridge body;
the lower layer bridge body is erected on the lower cross beam, the lower cross beam is transversely arranged, two ends of the lower cross beam are provided with bridge piers, and the top ends of the bridge piers are higher than the lower layer bridge body;
the support frame is along transversely setting up a plurality ofly, all is connected through the first tie-beam that transversely sets up between the top of adjacent support frame, and the top of pier all is connected through the first tie-beam that transversely sets up with the top of inboard adjacent support frame, all installs the layer board that is used for supporting the entablature on first tie-beam and the pier.
In some of these embodiments, the first connection beams are all collinear.
In some of these embodiments, the first connecting beam is positioned in a line parallel to the deck of the underlying bridge.
In some embodiments, the support frame located at one side of the central axis of the lower-layer bridge body is a first support frame, the support frame located at the other side of the central axis of the lower-layer bridge body is a second support frame, adjacent first support frames are connected through a second connecting beam arranged transversely, and adjacent second support frames are connected through a second connecting beam arranged transversely.
In some embodiments, the top end of the supporting frame protrudes upwards to form a first connecting beam and is flush with the supporting plate so as to support the upper cross beam.
In some embodiments, jackscrews are arranged on both sides of the supporting plate, and the jackscrews are arranged on the first connecting beam and the bridge pier.
In some embodiments, steel plates are embedded in the inner sides of the bridge piers and are connected with corresponding first connecting beams through bolts.
In some embodiments, a reinforcing plate is disposed between the supporting frame and the corresponding first connecting beam.
In some embodiments, the bottom end of the supporting frame is provided with supporting legs, and the supporting legs are provided with padding feet, so that a space is reserved between the bottom ends of the supporting legs and the lower-layer bridge body, and the padding feet are concrete members and fall on the lower-layer bridge body.
In some embodiments, the support frame comprises upright posts, at least two upright posts are longitudinally arranged, the tops and bottoms of adjacent upright posts are connected through third connecting beams, a reinforcing support member is arranged between the adjacent upright posts, the reinforcing support member comprises two support rods which are obliquely arranged, the two support rods are arranged in a crossing manner, and two ends of each support rod are respectively connected with the two upright posts.
Based on the technical scheme, the supporting frames are connected into a whole through the first connecting beam and are connected with the bridge pier, the supporting frames are transversely supported through the bridge pier, so that the supporting frames are stably kept under the condition that the lower-layer bridge body is inclined, the upper cross beam above the supporting frames is stably supported, the load of the upper cross beam is not only transferred to the lower-layer bridge body through the supporting frames, but also transferred to the bridge pier through the first connecting beam, the compression of the lower-layer bridge body is reduced, the cracking caused by the overlarge load is avoided, and the problems of insufficient stability and overlarge load existing in the condition that the current supporting system is completely erected on the lower-layer bridge body are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a double deck bridge upper deck beam support system of the present utility model;
FIG. 2 is a cross-sectional view of 1-1 of FIG. 1;
fig. 3 is a partial enlarged view of a portion a in fig. 1.
In the figure:
1. a support frame; 1A, a first supporting frame; 1B, a second supporting frame; 101. a column; 102. a support rod;
2. a lower bridge; 3. a lower cross beam; 4. bridge piers;
51. a first connecting beam; 52. a second connection beam; 53. a third connecting beam;
6. a supporting plate; 7. an upper cross beam; 8. an upper layer bridge; 9. a jackscrew; 10. a steel plate; 11. a reinforcing plate; 12. a support leg; 13. and (5) foot pads.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In one illustrative embodiment of the present utility model, shown in fig. 1, the upper beam support system of the double-deck bridge comprises a support frame 1, and the support frame 1 is erected on a lower bridge body 2.
The lower layer bridge body 2 is erected on the lower cross beam 3, the lower cross beam 3 is transversely arranged, two ends of the lower cross beam are provided with bridge piers 4, the bottom ends of the bridge piers 4 fall to the ground, so that the lower cross beam 3 is supported, the lower layer bridge body 2 is supported through the lower cross beam 3, and the top ends of the bridge piers 4 are higher than the lower layer bridge body 2.
The support frames 1 are arranged in a plurality in the transverse direction, that is, one by one from one pier 4 to another pier 4. The tops of two adjacent support frames 1 are connected through a first connecting beam 51 which is transversely arranged, and the tops of bridge piers 4 are connected with the tops of two adjacent support frames 1 on the inner side through a first connecting beam 51 which is transversely arranged. The first connecting beam 51 and the bridge pier 4 are both provided with a pallet 6, the upper beam 7 is constructed on the pallet 6, and the pallet 6 contacts the upper beam 7 above to directly support the same.
The pier 4 supports the support frames 1 in the transverse direction through the first connecting beams 51, the support frames 1 are mutually supported in the transverse direction through the first connecting beams 51, and the support frames 1 can not fall down due to the inclined arrangement of the lower-layer bridge body 2, so that the support system is kept stable in the transverse direction. The load of the upper beam 7 is transferred to the first connecting beam 51 through the supporting plate 6 and then transferred to each supporting frame 1 and two piers 4 through the first connecting beam 51, so that the load of part of the upper beam 7 is dispersed to the piers 4, and the damage to the lower-layer bridge 2 caused by the fact that the whole load of the upper beam 7 acts on the lower-layer bridge 2 is avoided. The first connecting beams 51 are all arranged at the top, so that the righting effect of the first connecting beams on the support frame 1 is maximized, and the stability of the support frame is maintained to the greatest extent.
In the above-mentioned illustrative embodiment, in the double-deck bridge upper beam supporting system, each support frame is connected as an organic wholely through first tie-beam to be connected with the pier, support the support frame through the pier in horizontal, make it keep steady under the circumstances that the lower floor's bridge body was inclined, thereby the upper beam of stable to the top supports, the load of upper beam not only transmits the lower floor's bridge body through the support frame, still transmit the pier through first tie-beam, the atress of the lower floor's bridge body has been alleviateed, avoid it to take place the fracture because of the load is too big, the stability that has set up at the lower floor's bridge body entirely of current supporting system exists is insufficient and the too big problem of load has been solved.
In some embodiments, the first connecting beams 51 are all located on the same straight line, so that the load transferred from the upper cross beam 7 to the first connecting beam 51 through the supporting plate 6 can be transferred to the bridge pier 4 more smoothly, the pressure of the supporting frame 1 is reduced, and the load of the lower bridge body 2 is reduced.
In some embodiments, the straight line where the first connecting beam 51 is located is parallel to the bridge deck of the lower bridge 2, so that the arrangement direction of the first connecting beam 51 can incline along with the inclination of the lower bridge 2, more load is transferred to the bridge pier 4, the pressure of the supporting frame 1 is further reduced, the load of the lower bridge 2 is reduced, and the upper cross beam 7 made above can also be inclined, so that the inclination of the upper bridge 8 erected on the upper cross beam 7 is more easily matched with the inclination of the lower bridge 2.
In some embodiments, the support frame 1 located at one side of the central axis of the lower bridge body 2 is a first support frame 1A, the support frame 1 located at the other side of the central axis of the lower bridge body 2 is a second support frame 1B, and adjacent first support frames 1A are connected by a second connecting beam 52 arranged transversely, and adjacent second support frames 1B are connected by a second connecting beam 52 arranged transversely.
The support frame 1 divide into two units in lower floor's bridge body 2 both sides, and the top and the bottom of support frame 1 all pass through the tie-beam interconnect in every unit to possess higher structural strength and stability, and can be with the comparatively even dispersion of entablature 7's load to the both sides of lower floor's bridge body 2 through two units, avoid the load to concentrate and lead to lower floor's bridge body 2 to damage.
In some embodiments, the top end of the supporting frame 1 protrudes upward from the first connecting beam 51 and is flush with the pallet 6 to support the upper beam 7. The support frame 1 directly supports the upper cross beam 7, avoids all loads to be transmitted to the support frame 1 through the first connecting beam 51, so that the load on the first connecting beam 51 is reduced, the deformation caused by overlarge load is avoided, the bridge pier 4 can stably transversely support the support frame 1 through the first connecting beam 51, and the stability of a support system is maintained.
In some embodiments, the supporting plate 6 is provided with jackscrews 9 on both sides, and the jackscrews 9 are mounted on the first connecting beam 51 and on the bridge pier 4. The supporting plate 6 is installed on the corresponding first connecting beam 51 or pier 4 through the jackscrews 9, and the inclination angle of the supporting plate 6 can be adjusted through the jackscrews 9, so that the supporting plate is matched with the bottom surface of the upper cross beam 7, and the construction flexibility is improved.
In some embodiments, steel plates 10 are embedded inside the bridge pier 4, and the steel plates 10 are connected with corresponding first connecting beams 51 through bolts. The connecting beam is arranged on the bridge pier 4 through the steel plate 10, so that the connecting beam is convenient to install, easy to detach and convenient for recycling the supporting system.
In some embodiments, as shown in fig. 1 and 3, the reinforcing plate 11 is disposed between the support frame 1 and the corresponding first connecting beam 51. Because the load of entablature 7 acts on first tie-beam 51 through layer board 6 first, transmit to pier 4 and support frame 1 by first tie-beam 51 again, support frame 1 can support first tie-beam 51 through reinforcing plate 11, improve the stability of first tie-beam 51, avoid first tie-beam 51 to take place to warp because of the load is too big, make pier 4 can stabilize and carry out horizontal support to support frame 1 through first tie-beam 51, and reinforcing plate 11 can provide more passageways for the load transmission, alleviate the pressure of support frame 1 and first tie-beam 51 tie point department, keep the stability of supporting the system.
In some embodiments, the bottom end of the support frame 1 is provided with a supporting leg 12, the supporting leg 12 is provided with a foot pad 13, and the foot pad 13 falls on the lower-layer bridge body 2, so that the lower-layer bridge body 2 supports the support frame 1 through the foot pad 13 and the supporting leg 12. The foot pads 13 raise the legs 12 with a spacing between the bottom ends thereof and the underlying bridge 2. Because the upper cross beam 7 of top is inseparable pushes down support frame 1 on lower floor's bridge body 2, support frame 1 is difficult to directly take out from between upper cross beam 7 and the lower floor's bridge body 2, and pad foot 13 is the concrete member, and when the support system was demolishd, with pad foot 13 breaking up, can make the space formed between support frame 1 bottom and the lower floor's bridge body 2 to take out support frame 1 from between upper cross beam 7 and the lower floor's bridge body 2, increase the convenience that the support system was demolishd, make things convenient for the cyclic utilization of support system.
In some embodiments, as shown in fig. 2, the support frame 1 includes upright posts 101, at least two upright posts 101 are provided along a longitudinal direction, and the top parts and the bottom parts of two adjacent upright posts 101 are connected by a third connecting beam 53, so that each upright post 101 is connected into an integral structure by an upper connecting beam and a lower connecting beam. The bridge pier 4 is connected with the support frame 1 through the connecting beam, the bridge pier 4 is limited in longitudinal support provided for the support frame 1, and the support frame 1 is longitudinally provided with a plurality of stand columns 101, so that the support frame is longitudinally provided with a plurality of support points, and the stability of the support frame 1 in the longitudinal direction is ensured.
In order to further improve the stability of the support frame 1 in the longitudinal direction, the support frame is prevented from being deformed in the longitudinal direction under compression, a reinforcing support member is further arranged between the adjacent upright posts, the reinforcing support member comprises two support rods 102 which are obliquely arranged, the two support rods 102 are arranged in a crossing manner between the upright posts 101, and two ends of the support rods 102 are respectively connected with the two upright posts 101. The two support rods 102 crossed by the reinforced support members can enable the upright posts 101 to mutually support in the longitudinal direction, so that the structural strength of the support frame 1 in the longitudinal direction is improved, and the stress can be transmitted in the longitudinal direction through the two support rods 102, so that the support frame 1 uniformly transmits the load to the lower-layer bridge body 2 in the longitudinal direction, and the damage to the lower-layer bridge body caused by the concentrated load is avoided.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (10)
1. The double-deck bridge upper beam support system is characterized by comprising a support frame, wherein the support frame is erected on a lower deck bridge body;
the lower layer bridge body is erected on a lower cross beam, the lower cross beam is transversely arranged, two ends of the lower cross beam are provided with piers, and the top ends of the piers are higher than the lower layer bridge body;
the support frame is along transversely setting up a plurality ofly, and is adjacent all be connected through the first tie-beam that transversely sets up between the top of support frame, the top of pier all is adjacent with the inboard the top of support frame is connected through the first tie-beam that transversely sets up, first tie-beam and all install the layer board that is used for supporting the entablature on the pier.
2. The double deck bridge upper beam support system of claim 1, wherein said first connecting beams are all positioned on a same straight line.
3. The double deck bridge upper beam support system of claim 2, wherein said first connecting beam is positioned in a line parallel to the deck of said lower deck body.
4. The upper beam support system of a double-deck bridge according to claim 1, wherein the support frame located at one side of the central axis of the lower deck bridge body is a first support frame, the support frame located at the other side of the central axis of the lower deck bridge body is a second support frame, adjacent first support frames are connected through a second connecting beam arranged transversely, and adjacent second support frames are connected through a second connecting beam arranged transversely.
5. The double deck girder supporting system as claimed in claim 1, wherein the top end of the supporting frame protrudes upward from the first connection beam and is flush with the pallet for supporting the girder.
6. The upper beam support system of a double-deck bridge according to claim 1, wherein jackscrews are installed on both sides of the pallet, and the jackscrews are installed on the first connecting beam and the bridge pier.
7. The upper beam supporting system of the double-deck bridge according to claim 1, wherein a steel plate is embedded in the inner side of the bridge pier, and the steel plate is connected with the first connecting beam through bolts.
8. The upper beam support system of the double-deck bridge according to claim 1, wherein reinforcing plates are arranged between the support frames and the corresponding first connecting beams.
9. The upper beam support system of the double-deck bridge according to claim 1, wherein the bottom end of the support frame is provided with a supporting leg, the supporting leg is provided with a foot pad for enabling a space to be arranged between the bottom end of the supporting leg and the lower bridge body, and the foot pad is a concrete member and falls on the lower bridge body.
10. The double-deck bridge upper beam support system according to claim 1, wherein the support frame comprises upright posts, at least two upright posts are longitudinally arranged, the tops and bottoms of the adjacent upright posts are connected through third connecting beams, a reinforcing support member is arranged between the adjacent upright posts, the reinforcing support member comprises two support rods which are obliquely arranged, the two support rods are arranged in a crossing manner, and two ends of the support rods are respectively connected with the two upright posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860805.4U CN220183792U (en) | 2023-07-14 | 2023-07-14 | Double-deck bridge upper beam braced system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860805.4U CN220183792U (en) | 2023-07-14 | 2023-07-14 | Double-deck bridge upper beam braced system |
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| Publication Number | Publication Date |
|---|---|
| CN220183792U true CN220183792U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321860805.4U Active CN220183792U (en) | 2023-07-14 | 2023-07-14 | Double-deck bridge upper beam braced system |
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| CN (1) | CN220183792U (en) |
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- 2023-07-14 CN CN202321860805.4U patent/CN220183792U/en active Active
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