CN112681129A - Construction joint structure - Google Patents
Construction joint structure Download PDFInfo
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- CN112681129A CN112681129A CN202011395133.5A CN202011395133A CN112681129A CN 112681129 A CN112681129 A CN 112681129A CN 202011395133 A CN202011395133 A CN 202011395133A CN 112681129 A CN112681129 A CN 112681129A
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Abstract
The invention provides a construction joint structure, in particular to the field of bridge deck construction structures, and the construction joint structure is characterized in that after concrete is poured and solidified, added left connecting steel bars, right connecting steel bars, a left reinforcing plate and a right reinforcing plate are combined to form a net-shaped stressed framework, the left reinforcing plate disperses stress to the left connecting steel bars, and the right reinforcing plate disperses stress to the right connecting steel bars, so that the stress of the construction joint structure at the position is dispersed; because left reinforcing plate sets up the right at right reinforcing plate relatively, when there is the pulling force between left concrete landmass and the right concrete landmass, but mutual lock joint between left reinforcing plate and the right reinforcing plate produces the power of support each other, prevents that the construction joint structure from being destroyed, and this structure makes the construction joint structure can utilize the stress position of bridge floor to can bear great bridge floor stress.
Description
Technical Field
The invention relates to the field of bridge deck construction structures, in particular to a construction joint structure.
Background
The construction joint refers to a joint formed between the concrete poured before and after the concrete is poured in sections due to design requirements or construction requirements in the concrete pouring process. The construction joint is not a real existing joint, and only because the initial setting time of the first poured concrete is longer than the initial setting time, a joint surface exists between the first poured concrete and the later poured concrete, and the joint surface is called as the construction joint.
In the process of constructing the bridge deck, a construction joint structure is unavoidable, the construction joint is generally arranged at a position with small stress or infrequent stress, but due to the existing bridge design, the construction joint structure which is just positioned at the stress position of the bridge deck and needs to be involved is met; such construction joint structures are more sustained and stronger in later period, so that it is required to design a construction joint structure having a larger bearing capacity.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a construction joint structure which can be applied to a stressed position of a bridge deck and can bear larger stress of the bridge deck.
According to the embodiment of the invention, the construction joint structure comprises a left concrete land and a right concrete land, a construction gap is reserved between the left concrete land and the right concrete land, a plurality of left connecting steel bars and a plurality of right connecting steel bars are arranged at the construction gap, the left connecting steel bars and the right connecting steel bars are arranged in parallel, one ends of the left connecting steel bars are inserted into the side surface of the left concrete land, one ends of the right connecting steel bars are inserted into the side surface of the right concrete land, and the free end parts of the left connecting steel bars and the free end parts of the right connecting steel bars are arranged in a staggered mode; the end part of the free end of the left connecting steel bar is fixedly provided with a left reinforcing plate, and the end part of the free end of the right connecting steel bar is fixedly provided with a right reinforcing plate; the construction gap is filled with concrete.
Compared with the prior art, the invention has the following beneficial effects:
according to the construction joint structure, a larger stress area and a stress point are newly added at the construction gap between the left concrete land and the right concrete land; the left connecting steel bars and the right connecting steel bars are parallel to each other, one end of each left connecting steel bar is inserted into the side surface of each left concrete land, one end of each right connecting steel bar is inserted into the side surface of each right concrete land, the free ends of the left connecting steel bars and the free ends of the right connecting steel bars are arranged in a staggered manner, the free end of each left connecting steel bar is fixedly provided with the left reinforcing plate, the free end of each right connecting steel bar is fixedly provided with the right reinforcing plate, the left reinforcing plate at the construction gap is oppositely arranged on the right side of the right reinforcing plate, after concrete is poured, the left connecting steel bars, the right connecting steel bars, the left reinforcing plate and the right reinforcing plate are combined to form a meshed stressed framework, and the left reinforcing plate disperses stress to the left connecting steel bars, the right reinforcing plate disperses the stress to the right connecting steel bar, so that the stress of the construction joint structure at the position is dispersed; because left reinforcing plate sets up the right at right reinforcing plate relatively, when there is the pulling force between left concrete landmass and the right concrete landmass, but mutual lock joint between left reinforcing plate and the right reinforcing plate produces the power of support each other, prevents that the construction joint structure from being destroyed, and this structure makes the construction joint structure can utilize the stress position of bridge floor to can bear great bridge floor stress.
And the plurality of check blocks are fixedly arranged at two ends of the left connecting steel bar and two ends of the right connecting steel bar respectively.
Furthermore, a plurality of bulges are arranged on the periphery of the stop block.
Furthermore, a plurality of grooves are formed in the end face of the stop block.
Furthermore, a plurality of left side connecting reinforcement with right side connecting reinforcement rectangular array distributes, be equipped with a plurality of vertical first draw-in grooves on the reinforcing plate of a left side, be equipped with a plurality of vertical second draw-in grooves on the reinforcing plate of the right side, left side connecting reinforcement and right connecting reinforcement all block and establish first draw-in groove with in the second draw-in groove.
Furthermore, the reinforcing plate comprises a plurality of supporting columns, and the supporting columns are fixedly arranged at the bottom of the left reinforcing plate and the bottom of the right reinforcing plate respectively.
The regulating device further comprises a plurality of regulating clamping rods, each regulating clamping rod comprises two clamping heads, each clamping head is fixedly connected with a support rod, an adjusting bolt is rotatably arranged at the end part of one support rod, and the adjusting bolt is in threaded connection with the end part of the other support rod; and part of the regular clamping rods are clamped on any two outer diameters of the left connecting steel bars, and the other part of the regular clamping rods are clamped on any two outer diameters of the right connecting steel bars.
Furthermore, a hexagonal spline is fixedly arranged on the adjusting bolt.
Drawings
FIG. 1 is a schematic structural diagram of a construction joint structure according to an embodiment of the present invention;
FIG. 2 is a horizontal view of a construction joint configuration according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a left connecting reinforcement bar according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a right connecting reinforcement bar according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a leveling lever according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a gauge truck in accordance with an embodiment of the present invention;
in the above drawings: 11. a left concrete plot; 12. a right concrete plot; 2. constructing gaps; 3. left connecting steel bars; 4. right connecting reinforcing steel bars; 5. a left stiffener; 51. a first card slot; 6. a right reinforcing plate; 61. a second card slot; 7. a stopper; 71. a protrusion; 72. a groove; 8. a support pillar; 9. regulating the clamping rod; 91. clamping a head; 92. a support bar; 93. adjusting the bolt; 94. a hexagonal spline.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
The embodiment of the invention provides a construction joint structure, which comprises a left concrete land 11 and a right concrete land 12, wherein a construction gap 2 is reserved between the left concrete land 11 and the right concrete land 12, a plurality of left connecting steel bars 3 and a plurality of right connecting steel bars 4 are arranged at the construction gap 2, the left connecting steel bars 3 and the right connecting steel bars 4 are arranged in parallel, one end of each left connecting steel bar 3 is inserted into the side surface of the left concrete land 11, and one end of each right connecting steel bar 4 is inserted into the side surface of the right concrete land 12; the free end part of the left connecting steel bar 3 and the free end part of the right connecting steel bar 4 are arranged in a staggered mode; a left reinforcing plate 5 is fixedly arranged at the free end part of the left connecting steel bar 3, and a right reinforcing plate 6 is fixedly arranged at the free end part of the right connecting steel bar 4; the construction gap 2 is filled with concrete.
According to the construction joint structure, a larger stress area and a stress point are newly added at the construction gap 2 between the left concrete land 11 and the right concrete land 12; a plurality of left connecting steel bars 3 are arranged on the side surface of a left concrete block 11, a plurality of right connecting steel bars 4 are arranged on the side surface of a right concrete block 12, the left connecting steel bars 3 and the right connecting steel bars 4 provide enough stress points and connecting structures in advance, the left connecting steel bars 3 and the right connecting steel bars 4 are parallel to each other, one ends of the left connecting steel bars 3 are inserted into the side surface of the left concrete block 11, one ends of the right connecting steel bars 4 are inserted into the side surface of the right concrete block 12, the free ends of the left connecting steel bars 3 and the free ends of the right connecting steel bars 4 are arranged in a staggered mode, the free end part of the left connecting steel bars 3 is fixedly provided with a left reinforcing plate 5, the free end part of the right connecting steel bars 4 is fixedly provided with a right reinforcing plate 6, the left reinforcing plate 5 positioned at a construction gap 2 is oppositely arranged on the right side of the right reinforcing plate 6, and after concrete is solidified, the left connecting steel bars 3, the right connecting steel bars 4, the left reinforcing plate 5, the left reinforcing plate 5 disperses the stress to the left connecting steel bars 3, and the right reinforcing plate 6 disperses the stress to the right connecting steel bars 4, so that the stress of the construction joint structure at the position is dispersed; because left reinforcing plate 5 sets up the right at right reinforcing plate 6 relatively, when there is the pulling force between left concrete landmass 11 and right concrete landmass 12, can lock joint each other between left reinforcing plate 5 and the right reinforcing plate 6, produce the power of support each other, prevent that the construction joint structure from being destroyed, and this structure makes the construction joint structure can apply to the stress position of bridge floor to can bear great bridge floor stress.
In a further scheme, as shown in fig. 3 and fig. 4, the concrete reinforcing system further comprises a plurality of stoppers 7, wherein the stoppers 7 are respectively fixedly arranged at two ends of the left connecting steel bar 3 and two ends of the right connecting steel bar 4, the stoppers 7 are used for fixing the left connecting steel bar 3 inside the left concrete block 11 or fixing the right connecting steel bar 4 inside the right concrete block 12, and the stoppers 7 are also used for blocking the left reinforcing plate 5 at the free end of the left connecting steel bar 3 or blocking the right reinforcing plate 6 at the free end of the right connecting steel bar 4.
In a further scheme, as shown in fig. 3 or fig. 4, a plurality of protrusions 71 are arranged on the periphery of the stop 7, a plurality of grooves 72 are arranged on the end surface of the stop 7, and the plurality of protrusions 71 or the plurality of grooves 72 are all used for forming a plurality of contact surfaces between the stop 7 and the concrete after the concrete is solidified, so that the stop 7 is firmly fixed in the concrete, and the internal structure failure of the construction joint caused by the rotation or movement of the stop 7 is prevented.
In a further embodiment, as shown in fig. 1, a plurality of left connecting bars 3 and right connecting bars 4 are distributed in a rectangular array, a plurality of vertical first clamping grooves 51 are arranged on the left reinforcing plate 5, a plurality of vertical second clamping grooves 61 are arranged on the right reinforcing plate 6, the left connecting steel bars 3 and the right connecting steel bars 4 are clamped in the first clamping grooves 51 and the second clamping grooves 61, the structure can facilitate the clamping of the left reinforcing plates 5 at the end parts of the left connecting steel bars 3 and the clamping of the right reinforcing plates 6 at the end parts of the right connecting steel bars 4, after the concrete solidifies, first draw-in groove 51 makes and forms a plurality of contact surfaces between left reinforcing plate 5 and the concrete, and second draw-in groove 61 makes and forms a plurality of contact surfaces between right reinforcing plate 6 and the concrete, and left reinforcing plate 5 and right reinforcing plate 6 firmly fix in the concrete, prevent that left reinforcing plate 5 or right reinforcing plate 6 from removing and leading to the construction joint inner structure inefficacy.
In the further scheme, as figure 1, still include a plurality of support columns 8, it is a plurality of support column 8 sets firmly respectively left side reinforcing plate 5 bottom with right reinforcing plate 6 bottom makes left side reinforcing plate 5 with right reinforcing plate 6 is located construction clearance 2 middle parts, support column 8 are technological structure, and support column 8 is used for supporting left reinforcing plate 5 or right reinforcing plate 6 unsettledly, and after the concrete solidification, left side reinforcing plate 5 and right reinforcing plate 6 can be wrapped up inside the concrete, guarantees that inside left reinforcing plate 5 or right reinforcing plate 6 can not lead to the construction joint structural failure in the bottom longitudinal movement in construction clearance 2.
In a further scheme, as shown in fig. 5 and 6, the multifunctional rack further comprises a plurality of regulating clamping rods 9, each regulating clamping rod 9 comprises two clamping heads 91, the clamping heads 91 are fixedly connected with supporting rods 92, an adjusting bolt 93 is rotatably arranged at the end of one of the supporting rods 92, and the adjusting bolt 93 is in threaded connection with the end of the other supporting rod 92; part two of regular kelly 9 dop 91 card is established two wantonly on the external diameter of left connecting reinforcement 3, another part two of regular kelly 9 dop 91 card is established two wantonly on the external diameter of right connecting reinforcement 4, regular kelly 9 is the technology part for regular distance between each left connecting reinforcement 3 and right connecting reinforcement 4, make left reinforcing plate 5 and right reinforcing plate 6 can the card establish on left connecting reinforcement 3 and right connecting reinforcement 4, regular kelly 9 also fixes inside the construction joint structure along with the concrete, regular kelly 9 radially provides the support for left connecting reinforcement 3 and right connecting reinforcement 4, can further strengthen the stability of construction joint structure, regular kelly 9 presss from both sides through dop 91 and establishes on two wrong left connecting reinforcement 3 in position and right connecting reinforcement 4, rethread rotation adjusting bolt 93, through the flexible of bracing piece 92, the regulating clamping rod 9 corrects the wrong left connecting reinforcing steel bar 3 or right connecting reinforcing steel bar 4.
In a further embodiment, as shown in fig. 5 or fig. 6, a hexagonal spline 94 is fixedly disposed on the adjusting bolt 93, and the hexagonal spline 94 is mainly used to facilitate an operator to rotate the adjusting bolt 93 disposed on the regulating and clamping rod 9, i.e., the operation can be performed by using a general wrench or a rotating tool.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The utility model provides a construction joint structure, includes left concrete landmass (11) and right concrete landmass (12), left side concrete landmass (11) with it has construction clearance (2), its characterized in that to reserve between right concrete landmass (12): a plurality of left connecting steel bars (3) and a plurality of right connecting steel bars (4) are arranged at the construction gap (2), the left connecting steel bars (3) and the right connecting steel bars (4) are arranged in parallel, one ends of the left connecting steel bars (3) are inserted into the side surface of the left concrete block (11), one ends of the right connecting steel bars (4) are inserted into the side surface of the right concrete block (12), and the free end parts of the left connecting steel bars (3) and the right connecting steel bars (4) are arranged in a staggered mode; a left reinforcing plate (5) is fixedly arranged at the free end part of the left connecting steel bar (3), and a right reinforcing plate (6) is fixedly arranged at the free end part of the right connecting steel bar (4); the construction gap (2) is filled with concrete.
2. A construction joint structure as claimed in claim 1, wherein: the steel wire rope connecting device is characterized by further comprising a plurality of stop blocks (7), wherein the stop blocks (7) are fixedly arranged at two ends of the left connecting steel bar (3) and two ends of the right connecting steel bar (4) respectively.
3. A construction joint structure as claimed in claim 2, wherein: a plurality of bulges (71) are arranged on the periphery of the stop block (7).
4. A construction joint structure as claimed in claim 2, wherein: the end face of the stop block (7) is provided with a plurality of grooves (72).
5. A construction joint structure as claimed in claim 1, wherein: a plurality of left side connecting reinforcement (3) with right side connecting reinforcement (4) rectangular array distributes, be equipped with a plurality of vertical first draw-in grooves (51) on left side reinforcing plate (5), be equipped with a plurality of vertical second draw-in grooves (61) on right side reinforcing plate (6), left side connecting reinforcement (3) and right connecting reinforcement (4) are all blocked and are established first draw-in groove (51) with in second draw-in groove (61).
6. A construction joint structure as claimed in claim 1, wherein: the reinforcing plate is characterized by further comprising a plurality of supporting columns (8), wherein the supporting columns (8) are fixedly arranged at the bottom of the left reinforcing plate (5) and the bottom of the right reinforcing plate (6) respectively.
7. A construction joint structure as claimed in claim 1, wherein: the multifunctional rack is characterized by further comprising a plurality of regulating clamping rods (9), wherein each regulating clamping rod (9) comprises two clamping heads (91), the clamping heads (91) are fixedly connected with supporting rods (92), an adjusting bolt (93) is rotatably arranged at the end part of one supporting rod (92), and the adjusting bolt (93) is in threaded connection with the end part of the other supporting rod (92); part two of regular kelly (9) dop (91) card is established two wantonly on the external diameter of left side connecting reinforcement (3), another part two of regular kelly (9) dop (91) card is established two wantonly on the external diameter of right side connecting reinforcement (4).
8. A construction joint structure as claimed in claim 7, wherein: and a hexagonal spline (94) is fixedly arranged on the adjusting bolt (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011395133.5A CN112681129B (en) | 2020-12-03 | 2020-12-03 | Construction joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011395133.5A CN112681129B (en) | 2020-12-03 | 2020-12-03 | Construction joint structure |
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| CN112681129A true CN112681129A (en) | 2021-04-20 |
| CN112681129B CN112681129B (en) | 2022-10-04 |
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| CN202011395133.5A Active CN112681129B (en) | 2020-12-03 | 2020-12-03 | Construction joint structure |
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| CN110453598A (en) * | 2019-08-29 | 2019-11-15 | 康非 | A kind of high-performance prefabricated steel reinforced concrete composite beam bridge panel assembly seam component |
| CN110700089A (en) * | 2019-10-22 | 2020-01-17 | 湖南大学 | Cast-in-place wet joint structure and bridge |
| CN212001695U (en) * | 2019-11-22 | 2020-11-24 | 北京航宇顺昌装饰工程有限公司 | Outer wall waterproof construction |
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2020
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| JPH10298927A (en) * | 1997-04-22 | 1998-11-10 | Bridgestone Corp | Fitting method for buried joint member of road bridge |
| CN101629423A (en) * | 2009-07-17 | 2010-01-20 | 中冶实久建设有限公司 | Method for rigidly plugging overlength and ultra-thick block concrete foundation and board post poured band |
| KR101096087B1 (en) * | 2011-05-17 | 2011-12-19 | (주)인송건설 | Method of repair work on road and bridge deck flexible joints |
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| CN103485279A (en) * | 2013-10-08 | 2014-01-01 | 北京交通大学 | Wet joint for straddle type monorail traffic |
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| CN110453598A (en) * | 2019-08-29 | 2019-11-15 | 康非 | A kind of high-performance prefabricated steel reinforced concrete composite beam bridge panel assembly seam component |
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| CN112681129B (en) | 2022-10-04 |
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