CN114525726A - Bailey beam construction trestle expansion joint system and construction method - Google Patents
Bailey beam construction trestle expansion joint system and construction method Download PDFInfo
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- CN114525726A CN114525726A CN202210280026.0A CN202210280026A CN114525726A CN 114525726 A CN114525726 A CN 114525726A CN 202210280026 A CN202210280026 A CN 202210280026A CN 114525726 A CN114525726 A CN 114525726A
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- cover plate
- bailey
- expansion joint
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000006378 damage Effects 0.000 description 10
- 230000009191 jumping Effects 0.000 description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a Bailey beam construction trestle expansion joint system and a construction method, wherein the Bailey beam construction trestle expansion joint system comprises the following steps: the device comprises at least two Bailey beams, at least two connecting rods and a connecting rod, wherein the two Bailey beams are arranged at intervals, and a gap is formed between the two Bailey beams; the bridge deck comprises at least two bridge deck plates, at least two bridge deck plates and at least two bridge deck plates, wherein the two bridge deck plates are respectively arranged on the corresponding Bailey beams, and the top surfaces of the bridge deck plates are provided with bridge deck pavement layers; the cover plate is positioned between the two bridge deck pavement layers and is paved above the gap; at least two connecting rods, two a tip of connecting rod is articulated with corresponding bailey roof beam respectively, two another tip of connecting rod respectively with the apron is articulated, and the top surface of apron flushes with the top surface on bridge deck pavement layer, and when the vehicle was current, the difficult emergence of vehicle is jumped the car, and when the vehicle took place to jump the car, the apron can remove about the horizontal direction is little, and the apron is difficult to take place to destroy or warp, consequently, the difficult emergence of above-mentioned structure is jumped the car, and the apron is difficult to take place to destroy or warp.
Description
Technical Field
The invention relates to the technical field of bridge engineering construction, in particular to a Bailey beam construction trestle expansion joint system and a construction method.
Background
At present, in the construction of a bailey beam trestle, expansion joints are usually required to be arranged under the influence of terrains and longitudinal slopes, and in the related technology, the expansion joints are generally covered by steel plates and the like for treatment.
However, the bailey beam trestle usually bears the load of heavy construction machinery such as a concrete tank car, a muck truck and the like, the steel plate structure protrudes out of the bridge floor, the heavy-duty vehicles are easy to jump when passing, and meanwhile, the steel plate structure is weak, low in strength and rigidity and easy to damage or deform when being impacted by the jumping, so that traffic passing and driving safety are affected.
Therefore, the expansion joint system for the Bailey beam construction trestle bridge solves the problems in the prior art.
Disclosure of Invention
The embodiment of the invention provides a Bailey beam construction trestle expansion joint system and a construction method thereof, which aim to solve the problems that a vehicle is easy to jump when passing and a steel plate is easy to damage or deform when being impacted by the vehicle jump in the related technology.
First aspect provides a beiLei beam construction landing stage expansion joint system, and it includes: the device comprises at least two Bailey beams, a first connecting plate and a second connecting plate, wherein the two Bailey beams are arranged at intervals, and a gap is formed between the two Bailey beams; the bridge deck plates are respectively arranged on the corresponding Bailey beams, and a bridge deck pavement layer is arranged on the top surfaces of the bridge deck plates; the cover plate is positioned between the two bridge deck pavement layers and is paved above the gap; one end parts of the two connecting rods are respectively hinged with the corresponding Bailey beam, and the other end parts of the two connecting rods are respectively hinged with the cover plate.
In some embodiments, the beiLei beam construction trestle expansion joint system further includes: the bridge deck slab comprises at least two post-cast strips, wherein the post-cast strips are arranged on the top surface of the bridge deck slab, and the post-cast strips are arranged between the bridge deck pavement layer and the cover plate.
In some embodiments, the post-cast strip comprises: the reinforcing mesh is arranged between the bridge deck pavement layer and the cover plate; one end of each shear nail penetrates through the steel mesh, and the other end of each shear nail is inserted into the bridge deck.
In some embodiments, the post-cast strip further comprises: the angle steel comprises a first steel plate and a second steel plate, the first steel plate is arranged between the post-cast strip and the cover plate, and the second steel plate is arranged on one side, away from the bridge deck plate, of the post-cast strip.
In some embodiments, the beiLei beam construction trestle expansion joint system further includes: and the cushion pad layer is arranged between the post-cast strip and the cover plate.
In some embodiments, the cushion layer is L-shaped, a portion of the cushion layer is located between the post-cast strip and the cover plate, and another portion of the cushion layer is located between the bridge deck and the cover plate.
In some embodiments, the top surface of the deck pavement layer is flush with the top surface of the cover plate, and a gap is formed between the deck pavement layer and the cover plate.
In some embodiments, the cover plate comprises: the two transverse plates are arranged at intervals along the height direction; the plurality of vertical plates are arranged between the two transverse plates at intervals, and the vertical plates are connected with the two transverse plates.
In a second aspect, a construction method for a bailey beam construction trestle expansion joint system is provided, which is characterized by comprising the following steps: installing two Bailey beams on a trestle at intervals, installing two bridge decks on the two Bailey beams correspondingly respectively, and paving a bridge deck pavement layer on the bridge decks, wherein a gap is formed between the two Bailey beams; placing a cover plate above the gap, and enabling the cover plate to be located between the two bridge deck pavement layers; and one end part of the connecting rod is hinged with the Bailey beam, and the other end part of the connecting rod is hinged with the cover plate.
In some embodiments, after the step of hinging one end of the connecting rod with the beret beam and the other end of the connecting rod with the cover plate, the method comprises the following steps: fixing a shear nail on one side of the bridge deck far away from the Bailey beam; mounting a reinforcing mesh at one end of the shear nail far away from the bridge deck; and pouring concrete into the post-cast strip.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a Bailey beam construction trestle expansion joint system and a construction method thereof, wherein two Bailey beams are arranged at intervals, two bridge deck plates can be respectively arranged on the corresponding Bailey beams, the top surfaces of the bridge deck plates can be provided with bridge deck pavement layers, a cover plate can be arranged between the two bridge deck pavement layers and can be arranged above a gap between the two Bailey beams, one end part of a connecting rod can be hinged with the Bailey beams, the other end part of the connecting rod can be hinged with the cover plate, when a vehicle passes through, the top surface of the cover plate is flush with the top surfaces of the bridge deck pavement layers, the vehicle is not easy to jump, when the vehicle jumps, the cover plate can slightly move left and right in the horizontal direction, and the cover plate is not easy to damage or deform, so the structure is not easy to jump, and the cover plate is not easy to damage or deform.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of an expansion joint system of a bailey beam construction trestle provided in an embodiment of the present invention;
fig. 2 is a side view of an expansion joint system of a trestle for beiLei beam construction according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a post-cast strip according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.
In the figure:
1. a cover plate; 11. an ear plate; 12. a transverse plate; 13. a vertical plate; 2. a connecting rod; 21. a first pin shaft; 22. a second pin shaft; 3. a Bailey beam; 4. a bridge deck; 5. a bridge deck pavement layer; 6. post-pouring a belt; 61. reinforcing mesh sheets; 62. shear nails; 63. angle steel; 7. a cushion layer; 8. a distribution beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a Bailey beam construction trestle expansion joint system and a construction method, which can solve the problems that a vehicle is easy to jump when passing and a steel plate is easy to damage or deform when being impacted by the vehicle jump in the related technology.
Referring to fig. 1, 2 and 4, an expansion joint system of a bailey beam construction trestle provided in an embodiment of the present invention may include: the two Bailey beams 3 can be arranged at intervals, and a gap can be formed between the two Bailey beams 3; the bridge deck comprises at least two bridge deck plates 4, wherein the two bridge deck plates 4 can be respectively arranged above corresponding Bailey beams 3, the two bridge deck plates 4 can be symmetrically arranged, bridge deck pavement layers 5 can be arranged on the top surfaces of the bridge deck plates 4, namely the bridge deck pavement layers 5 are respectively paved on the two bridge deck plates 4, and the top surfaces of the two bridge deck pavement layers 5 are flush; the deck plate 1, the deck plate 1 can be located between two bridge deck pavement layers 5, and the deck plate 1 can be laid above the gap between two bailey beams 3, namely one bailey beam 3 is supported at one end of the deck plate 1, and the other bailey beam 3 is supported at the other end of the deck plate 1; in the embodiment, four lug plates 11 can be welded on one side of the cover plate 1 close to the Bailey beam 3, the four lug plates 11 are uniformly distributed at four corners of the cover plate 1, four connecting rods 2 can be provided, one end of each connecting rod 2 is hinged with the lug plate 11 through a first pin 21, the other end of each connecting rod 2 is hinged with the female end of one Bailey beam 3 through a second pin 22, in other embodiments, other numbers of connecting rods 2 can be provided, the connecting rods 2 can be hinged with the cover plate 1 and the Bailey beams 3 through other modes, when a vehicle passes through, the top surface of the cover plate 1 is flush with the top surface of the bridge deck pavement layer 5, the vehicle is not easy to jump, when the vehicle jumps, apron 1 is articulated with bailey beam 3 through connecting rod 2, apron 1 can remove about the horizontal direction is little, apron 1 is difficult to take place to destroy or be out of shape, therefore, the difficult car that jumps that takes place of above-mentioned structure, and apron 1 is difficult to take place to destroy or be out of shape, adopt connecting rod 2 to be connected between apron 1 and the bailey beam 3, can reduce the impact of jumping the car effectively, reduce the influence of jumping the car to landing stage structure and bridge floor system, and the structure of damage is changed to dismouting that can be very convenient, when needs are changed, only need demolish the round pin axle earlier, demolish connecting rod 2 again, the structure of damaging is changed into new again, install connecting rod 2 at last and with bolt fixed connection can, and to the outward appearance at expansion joint, the quality almost has no influence, make structural stability and security have more, reduce the influence of construction to landing stage traffic
Referring to fig. 1, in some embodiments, the beiLei beam construction trestle expansion joint system may further include: at least two post-cast strips 6, two post-cast strips 6 can set up in the top surface of decking 4, and post-cast strip 6 can set up between bridge deck pavement layer 5 and apron 1, a post-cast strip 6 can set up between a bridge deck pavement layer 5 and apron 1 promptly, another post-cast strip 6 can set up between another bridge deck pavement layer 5 and apron 1, and apron 1 can imbed between two post-cast strips 6, bei lei beam construction landing stage expansion joint system passes smoothly at the expansion joint region, can effectively avoid jumping the car to a certain extent, post-cast strip 6 can adopt high performance concrete, apron 1 can adopt high performance steel, both have stronger ability of resisting destruction and deformation.
Referring to fig. 1 and 3, in some embodiments, the post-cast strip 6 may include: the reinforcing steel bar mesh 61, the reinforcing steel bar mesh 61 can be arranged between the bridge deck pavement layer 5 and the cover plate 1, in this embodiment, two reinforcing steel bar meshes 61 can be arranged, the two reinforcing steel bar meshes 61 can be arranged at intervals along the height direction, the two reinforcing steel bar meshes 61 can be arranged in an up-down symmetrical manner, in other embodiments, other numbers of reinforcing steel bar meshes 61 can be arranged, and the reinforcing steel bar meshes 61 can reinforce the integral strength of the post-cast strip 6; a plurality of shear force nails 62, a plurality of shear force nails 62 can turn right align to arrange the setting from a left side, and the one end of shear force nail 62 can run through reinforcing bar net piece 61, and the other end of shear force nail 62 is inserted and is located the decking 4, and shear force nail 62 cooperation reinforcing bar net piece 61 can be with the fix on the decking 4 that post-cast strip 6 is tight, and above-mentioned structure can increase the bulk strength of post-cast strip 6 to be fixed in on the decking 4 firmly with post-cast strip 6.
Referring to fig. 1 and 3, in some embodiments, the post-cast strip 6 may further include an angle iron 63, the angle iron 63 may be L-shaped, and the angle iron 63 may have a first steel plate and a second steel plate, in this embodiment, the first steel plate and the second steel plate are perpendicular to each other, in other embodiments, the first steel plate and the second steel plate may form other angles, the first steel plate may be disposed between the post-cast strip 6 and the cover plate 1, the second steel plate may be disposed on a side of the post-cast strip 6 away from the bridge deck 4, and the post-cast strip 6 may be effectively protected by disposing the angle iron 63.
Referring to fig. 1, in some embodiments, the beiLei beam construction trestle expansion joint system may further include: cushion pad 7, cushion pad 7 can set up between post-cast strip 6 and apron 1, cushion pad 7 can block up between apron 1 and post-cast strip 6 promptly, the concrete on post-cast strip 6 is under the condition of expend with heat and contract with cold, when 6 inflation extrusion cushion pad 7 in post-cast strip or post-cast strip 6 keep away from cushion pad 7, post-cast strip 6 all can lead to the fact certain influence to apron 1, and cushion pad 7 itself has certain tension, the influence of post-cast strip 6 to apron 1 when can effectively cushion expend with heat and contract with cold.
Referring to fig. 1 and 4, in some embodiments, the cushion layer 7 may be L-shaped, the cushion layer 7 may have a first portion and a second portion, in this embodiment, the first portion and the second portion may be perpendicular to each other, in other embodiments, the first portion and the second portion may form other angles, a portion of the cushion layer 7 may be located between the post-cast strip 6 and the cover plate 1, that is, the first portion is located between the post-cast strip 6 and the cover plate 1, and another portion of the cushion layer 7 may be located between the bridge deck 4 and the cover plate 1, that is, the second portion is located between the bridge deck 4 and the cover plate 1, so that the influence on the cover plate 1 when the concrete on the post-cast strip 6 expands with heat and contracts with cold can be further reduced.
Referring to fig. 1, in some embodiments, the top surface of the deck pavement layer 5 may be flush with the top surface of the cover plate 1, and there may be a gap between the deck pavement layer 5 and the cover plate 1, that is, there may be a gap on both opposite sides of the cover plate 1, when a vehicle travels on a trestle, the occurrence of vehicle bouncing may be reduced, and the cover plate 1 may slightly move left and right in the gap on both sides thereof, so that the cover plate 1 is not easily damaged or deformed, and the influence of vehicle bouncing on the trestle structure and the deck system may also be reduced.
Referring to fig. 4, in some embodiments, the cover plate 1 may include: the two transverse plates 12 can be arranged at intervals along the height direction, and the two transverse plates 12 can be symmetrically arranged; polylith riser 13, polylith riser 13 can set up between two blocks of diaphragms 12 at the interval to two blocks of diaphragms 12 of perpendicular to respectively can be at the both ends of riser 13, and two blocks of diaphragms 12 can be connected to riser 13, and above-mentioned structure can make 1 inside fretworks that have of apron, can be under the prerequisite that keeps apron 1 to have sufficient structural strength, and the weight of the apron 1 of minimizing realizes the lightweight.
Referring to fig. 1, in some embodiments, a plurality of distribution beams 8 may be disposed on the top surface of the beret beam 3, the distribution beams 8 may be disposed at intervals, a bridge deck 4 may be fixed to the top end of the distribution beam 8, and the bridge deck 4 may be supported by disposing the distribution beams 8, so that there is a sufficient vertical distance between the cover plate 1 and the beret beam 3, and it may be ensured that the connecting rod 2 has a sufficient length, and two ends of the connecting rod 2 are hinged to the cover plate 1 and the beret beam 3, so that the connecting rod 2 may drag the cover plate 1 to move left and right.
The construction method for the expansion joint system of the trestle bridge constructed by the Bailey beams, provided by the embodiment of the invention, can comprise the following steps of:
step S1: the method comprises the steps of installing two Bailey beams 3 on a trestle at intervals, installing two bridge decks 4 on the two Bailey beams 3 correspondingly respectively, and paving a bridge deck pavement layer 5 on the bridge decks 4, wherein a gap is formed between the two Bailey beams 3.
In some embodiments, after the construction of the lower structure of the trestle is completed, the bailey beams 3 may be installed at intervals on the trestle, in this embodiment, for example, two bailey beams 3 are installed on the trestle, and then two bridge decks 4 are respectively and correspondingly installed on the bailey beams 3, and a bridge deck pavement layer 5 may be laid on the bridge decks 4, wherein a gap may be provided between the two bailey beams 3.
Step S2: the cover plate 1 is placed above the gap, and the cover plate 1 is positioned between the two bridge deck pavement layers 5.
In some embodiments, the cover plate 1 may be placed over the gap between the two beret beams 3, i.e. the cover plate 1 is placed on the two beret beams 3 at its opposite ends, respectively, and the cover plate 1 is located between the two deck pavers 5.
Step S3: one end of the connecting rod 2 is hinged to the bailey beam 3, and the other end of the connecting rod 2 is hinged to the cover plate 1.
In some embodiments, four connecting rods 2 can be arranged, the four connecting rods 2 are uniformly distributed at four corners of the cover plate 1, one end of each connecting rod 2 can be hinged to the female end of the corresponding Bailey beam 3, the other end of each connecting rod 2 is hinged to the lug plate 11 of the cover plate 1, when a vehicle passes through, the top surface of the cover plate 1 is flush with the top surface of the bridge deck pavement layer 5, the vehicle is not prone to jumping, when the vehicle jumps, the cover plate 1 is hinged to the Bailey beam 3 through the connecting rods 2, the cover plate 1 can move leftwards and rightwards slightly in the horizontal direction, and the cover plate 1 is not prone to being damaged or deformed.
In some embodiments, after step S3, the following steps may be further included:
s31: a shear pin 62 is fixed to the deck slab 4 on the side remote from the beret beam 3.
S32: a mesh of rebar 61 is mounted to an end of the shear pin 62 remote from the deck slab 4.
S33: concrete is poured on the post-cast strip 6.
Through the construction of above-mentioned step can be with apron 1 embedding between two post-cast strip 6, and the transition of beiLei beam construction landing stage expansion joint system is smooth-going in the expansion joint region, can effectively avoid jumping the car to a certain extent, and post-cast strip 6 can adopt high performance concrete, and apron 1 can adopt high performance steel, and both have stronger ability of resisting destruction and deformation.
The principle of the expansion joint system and the construction method of the trestle for Bailey beam construction provided by the embodiment of the invention is as follows:
because two Bailey beams 3 can be arranged at intervals, a gap can be arranged between the two Bailey beams 3, two bridge decks 4 can be respectively arranged above the corresponding Bailey beams 3, the two bridge decks 4 can be symmetrically arranged, the top surfaces of the bridge decks 4 can be provided with bridge deck pavement layers 5, the cover plate 1 can be positioned between the two bridge deck pavement layers 5, the cover plate 1 can be laid above the gap between the two Bailey beams 3, namely, one Bailey beam 3 is supported at one end part of the cover plate 1, the other Bailey beam 3 is supported at the other end part of the cover plate 1, four lug plates 11 can be welded at one side of the cover plate 1 close to the Bailey beam 3, the four lug plates 11 are uniformly distributed at four corners of the cover plate 1, four connecting rods 2 can be arranged, one end part of each connecting rod 2 is hinged with the lug plate 11 through a first pin shaft 21, the other end part of each connecting rod 2 is hinged with the female end of one Bailey beam 3 through a second pin shaft 22, when the vehicle is current, the top surface of the cover plate 1 is flush with the top surface of the bridge deck pavement layer 5, the vehicle is not easy to jump, when the vehicle jumps, the cover plate 1 is hinged with the Bailey beam 3 through the connecting rod 2, the cover plate 1 can slightly move left and right in the horizontal direction, and the cover plate 1 is not easy to damage or deform, so that the structure is not easy to jump, and the cover plate 1 is not easy to damage or deform.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a beiLei beam construction landing stage expansion joint system which characterized in that, it includes:
the device comprises at least two Bailey beams (3), wherein the two Bailey beams (3) are arranged at intervals, and a gap is formed between the two Bailey beams (3);
the bridge deck comprises at least two bridge deck plates (4), the two bridge deck plates (4) are respectively arranged on the corresponding Bailey beams (3), and a bridge deck pavement layer (5) is arranged on the top surfaces of the bridge deck plates (4);
the cover plate (1) is positioned between the two bridge deck pavement layers (5), and the cover plate (1) is laid above the gap;
one end parts of the two connecting rods (2) are hinged to the corresponding Bailey beam (3) respectively, and the other end parts of the two connecting rods (2) are hinged to the cover plate (1) respectively.
2. The beiLei beam construction trestle expansion joint system of claim 1, further comprising:
the bridge deck slab comprises at least two post-cast strips (6), wherein the post-cast strips (6) are arranged on the top surface of the bridge deck slab (4), and the post-cast strips (6) are arranged between the bridge deck pavement layer (5) and the cover plate (1).
3. The beiLei beam construction trestle expansion joint system of claim 2, characterized in that the post-cast strip (6) comprises:
the reinforcing steel bar net piece (61), the reinforcing steel bar net piece (61) is arranged between the bridge deck pavement layer (5) and the cover plate (1);
one end of each shear nail (62) penetrates through the steel mesh (61), and the other end of each shear nail (62) is inserted into the bridge deck (4).
4. The beiLei beam construction trestle expansion joint system of claim 3, characterized in that the post-cast strip (6) further comprises:
the angle steel (63), angle steel (63) include first steel sheet and second steel sheet, first steel sheet set up in after-cast strip (6) with between apron (1), the second steel sheet set up in after-cast strip (6) are kept away from one side of decking (4).
5. The beiLei beam construction trestle expansion joint system of claim 2, further comprising:
the buffer cushion layer (7), the buffer cushion layer (7) set up in after-pouring area (6) with between apron (1).
6. The beiLei beam construction trestle expansion joint system of claim 5, characterized in that:
the buffer cushion layer (7) is L-shaped, one part of the buffer cushion layer (7) is positioned between the post-cast strip (6) and the cover plate (1), and the other part of the buffer cushion layer (7) is positioned between the bridge deck (4) and the cover plate (1).
7. The beiLei beam construction trestle expansion joint system of claim 1, characterized in that:
the top surface of bridge deck pavement layer (5) with the top surface of apron (1) flushes, just bridge deck pavement layer (5) with have the gap between apron (1).
8. The beret beam construction trestle expansion joint system of claim 1, wherein the cover plate (1) comprises:
the two transverse plates (12), the two transverse plates (12) are arranged at intervals along the height direction;
polylith riser (13), polylith riser (13) interval sets up in two between diaphragm (12), riser (13) are connected two diaphragm (12).
9. A construction method of a Bailey beam construction trestle expansion joint system is characterized by comprising the following steps:
the method comprises the following steps of installing two Bailey beams (3) on a trestle at intervals, installing two bridge decks (4) on the two Bailey beams (3) correspondingly respectively, and paving a bridge deck pavement layer (5) on the bridge decks (4), wherein a gap is reserved between the two Bailey beams (3);
placing a cover plate (1) above the gap, and enabling the cover plate (1) to be located between the two bridge deck pavement layers (5);
one end part of the connecting rod (2) is hinged with the Bailey beam (3), and the other end part of the connecting rod (2) is hinged with the cover plate (1).
10. The method for constructing an expansion joint system of a bailey beam construction trestle according to claim 9, wherein after one end of the connecting rod (2) is hinged to the bailey beam (3) and the other end of the connecting rod (2) is hinged to the cover plate (1), the method comprises the following steps:
fixing a shear nail (62) to one side of the bridge deck (4) far away from the Bailey beam (3);
mounting a reinforcing mesh (61) at one end of the shear nail (62) away from the bridge deck (4);
and pouring concrete into the post-pouring strip (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280026.0A CN114525726B (en) | 2022-03-21 | 2022-03-21 | Beehive beam construction trestle bridge expansion joint system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
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| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
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| CN211848897U (en) * | 2020-01-13 | 2020-11-03 | 王存贵 | Public road bridge roof beam expansion joint convenient to clearance |
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| DE4433909A1 (en) * | 1994-09-22 | 1996-04-11 | Alfred Hartkorn | Spanning joint arrangement on bridge |
| JP2001234504A (en) * | 2000-02-23 | 2001-08-31 | Sho Bond Constr Co Ltd | Bridge expansion joint |
| KR100631031B1 (en) * | 2005-11-04 | 2006-10-09 | 주식회사 효성엘비데크 | Precasted concrete plate and bridge slab construction method using that |
| KR101244463B1 (en) * | 2012-12-27 | 2013-03-18 | (주)협성엔지니어링 | Expansion joint for bridge |
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| CN211395350U (en) * | 2019-12-13 | 2020-09-01 | 深圳市文和将建筑装饰工程有限公司 | Beam expansion joint structure convenient to construct and maintain |
| CN211848897U (en) * | 2020-01-13 | 2020-11-03 | 王存贵 | Public road bridge roof beam expansion joint convenient to clearance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
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| CN114525726B (en) | 2024-01-30 |
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