CN214194162U - Supporting structure for construction of bridge deck of steel-concrete composite beam - Google Patents
Supporting structure for construction of bridge deck of steel-concrete composite beam Download PDFInfo
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- CN214194162U CN214194162U CN202023114625.0U CN202023114625U CN214194162U CN 214194162 U CN214194162 U CN 214194162U CN 202023114625 U CN202023114625 U CN 202023114625U CN 214194162 U CN214194162 U CN 214194162U
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Abstract
The utility model discloses a bearing structure is used in steel-concrete composite beam decking construction, steel-concrete composite beam includes a plurality of steel box girders, the steel box girder includes left web, right web, left wing flange, right wing flange, first crossbeam and second crossbeam, all be provided with the middle part supporting template that carries out the support to cast-in-place decking on first crossbeam and the second crossbeam, the middle part supporting template include first supporting component and with first supporting component complex second supporting component, the both ends symmetry of steel-concrete composite beam is provided with the lateral part supporting template, be provided with detection module on the lateral part supporting template. The utility model has simple structure and reasonable design, supports the middle part of the cast-in-place bridge deck slab by arranging the middle supporting template, and can adjust the width of the middle supporting template, so that the middle supporting template is suitable for steel-concrete composite beams with different spans, and the application range is wide; the flanges on the two sides of the cast-in-place bridge deck are supported by the lateral supporting templates, so that the cast-in-place bridge deck is convenient to install, time-saving and labor-saving, and high in safety.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to bearing structure is used in construction of steel-concrete composite beam decking.
Background
The reinforced concrete composite beam is a novel bridge structure developed on the basis of a steel structure and a concrete structure, and compared with a reinforced concrete beam, the reinforced concrete composite beam has the advantages of reducing the self weight of the structure, reducing the size of a section and the like; the steel-concrete combined beam completes the installation of the steel box beam by means of temporary support on the ground in the construction process, and after the steel box beam is welded and fixed, the cast-in-situ molding of a bridge deck is carried out subsequently, wherein the bridge deck is of a reinforced concrete structure; generally, the width of the steel-concrete composite beam is smaller than that of a bridge deck, a template needs to be erected on the steel-concrete composite beam to stably support the bridge deck to be poured before the bridge deck is formed, at present, when the middle of the bridge deck is poured, a movable mould frame is generally adopted to support the middle of the bridge deck, the movable mould frame is large in size, high in requirement on operation space and high in cost, and is not suitable for construction of small-gap double-width cast-in-place box beams and bridges with wide beam surfaces; meanwhile, when the cantilever end of the bridge deck is constructed, the suspended formwork construction is usually adopted, but when a suspended formwork system is installed, the time consumption, the manpower and the machinery are more, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a supporting structure for the construction of a steel-concrete composite beam bridge deck slab, aiming at the defects in the prior art, the supporting structure has simple structure and reasonable design, supports the middle part of a cast-in-place bridge deck slab by arranging a middle supporting template, can adjust the width of the middle supporting template, ensures that the middle supporting template is suitable for steel-concrete composite beams with different spans, and has wide application range; the flanges on the two sides of the cast-in-place bridge deck are supported by the lateral supporting templates, so that the cast-in-place bridge deck is convenient to install, time-saving and labor-saving, and high in safety.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a bearing structure is used in construction of steel-concrete bonded beam decking, steel-concrete bonded beam includes a plurality of steel box girders, the steel box girder includes left web, right web, left flange board and right flange board to and connect the first crossbeam between left web and right web, it is a plurality of connect as an organic wholely through the second crossbeam between two adjacent steel box girders in the steel box girder, it is a plurality of first crossbeam and a plurality of the second crossbeam all is located same horizontal plane, its characterized in that: the first cross beam and the second cross beam are both provided with a middle supporting template for supporting a cast-in-place bridge deck, the middle supporting template comprises a first supporting part and a second supporting part matched with the first supporting part,
the first supporting part comprises a first longitudinal supporting rod, a plurality of first transverse supporting rods and a first supporting block, wherein the first transverse supporting rods and the first supporting block are arranged on the first longitudinal supporting rod;
the second supporting part comprises a second longitudinal supporting rod, a plurality of second transverse supporting rods and a second supporting block, the second transverse supporting rods are arranged on the second longitudinal supporting rod, the second transverse supporting rods are in sliding fit with the first transverse supporting rods, and the first supporting block and the second supporting block are identical in structure;
the first supporting block comprises a horizontal supporting plate and an oblique supporting plate, one end of the oblique supporting plate is hinged with the top of the first longitudinal supporting rod, one end of the horizontal supporting plate is connected with the bottom of the first longitudinal supporting rod, and the other end of the horizontal supporting plate is abutted against the other end of the oblique supporting plate;
lateral supporting templates are symmetrically arranged at two ends of the steel-concrete combined beam, and detection modules are arranged on the lateral supporting templates.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the first longitudinal support rod and the second longitudinal support rod are arranged along the longitudinal bridge direction of the cast-in-place bridge deck, the first longitudinal support rod and the second longitudinal support rod have the same structure,
the first longitudinal support rod comprises a lower support rod and an upper support rod arranged in the lower support rod, a plurality of adjusting nuts are arranged at the bottom of the lower support rod, and the adjusting rods sequentially penetrate through the adjusting nuts and the lower support rod to abut against the upper support rod;
the first transverse supporting rods are connected with the lower supporting rods of the first longitudinal supporting rods, and the second transverse supporting rods are connected with the lower supporting rods of the second longitudinal supporting rods.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the first transverse supporting rods and the second transverse supporting rods are arranged along the transverse bridge direction of the cast-in-place bridge deck, and the first transverse supporting rods and the second transverse supporting rods are equal in number and correspond to each other one by one;
the end part, far away from the second longitudinal support rod, of the second transverse support rod extends into the first transverse support rod, a plurality of locking holes are formed in the first transverse support rod and are evenly distributed along the length direction of the first transverse support rod, and locking bolts are installed in the locking holes.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the side supporting template comprises a connecting channel steel and a plurality of triangular supporting frames which are arranged on the connecting channel steel, the connecting channel steel is detachably connected with the left flange plate, each triangular supporting frame comprises a transverse supporting rod, a vertical supporting rod and an oblique supporting rod which are sequentially connected end to end, and the end part of the vertical supporting rod, which is connected with the transverse supporting rod, is fixedly connected with the connecting channel steel;
the utility model discloses a set up the lateral part of web, including horizontal bracing piece, diagonal bracing piece, vertical bracing piece, sleeve, the tip upside that the horizontal bracing piece is connected with diagonal bracing piece is provided with the guard bar, the tip that vertical bracing piece is connected with diagonal bracing piece is provided with the sleeve, be provided with the internal thread in the sleeve, the one end and the sleeve screw-thread fit of screw rod, the other end of screw rod is provided with the backing plate, the lateral surface of backing plate and left web is laminated mutually.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the detection module comprises an electronic circuit board, an inclination sensor arranged on the transverse supporting rod and a monitoring camera arranged on the guard rod;
the electronic circuit board is integrated with a microcontroller and a wireless transmission module connected with the microcontroller, the output ends of the tilt sensor and the monitoring camera are connected with the input end of the microcontroller, and the output end of the microcontroller is connected with an alarm.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the middle supporting template is provided with a plurality of middle distributing beams, each middle distributing beam comprises a lower beam body and an upper beam body arranged in the lower beam body, a plurality of beam body adjusting nuts are arranged in the lower beam body, and the beam body adjusting rods sequentially penetrate through the lower beam body and the beam body adjusting nuts to be abutted against the upper beam body;
the bottom surface of the lower beam body is attached to the upper surface of the middle supporting template, a middle bamboo plywood is arranged at the top of the upper beam body, and the middle distributing beams are connected into a whole through the middle bamboo plywood.
Foretell bearing structure is used in construction of steel-concrete bonded beam decking, its characterized in that: the side supporting template is provided with a plurality of side distribution beams, the top of each side distribution beam is provided with a side bamboo plywood, and the side distribution beams are connected into a whole through the side bamboo plywood.
Compared with the prior art, the utility model has the following advantage:
1. the utility model is provided with a middle supporting template, the middle supporting template comprises a first supporting part and a second supporting part, when the middle supporting template is installed, the first supporting part and the second supporting part are separately hoisted to the reinforced concrete combined beam, and the hoisting is convenient; and the first supporting part and the second supporting part are connected into a whole through the locking bolt on the steel-concrete combined beam, so that the mounting and the dismounting are convenient, and the movement is convenient.
2. The utility model discloses be provided with middle part support template and support cast-in-place decking, middle part support template includes first support component and second support component, the length in the first horizontal bracing piece to first support component is stretched into through the horizontal bracing piece of second of adjusting the second support component, to the distance between first longitudinal support pole and the second longitudinal support pole adjusting, and then adjust the support width of middle part support template, the steel-concrete composite beam who makes middle part support template adapt to different spans improves the application scope of middle part support template.
3. The utility model is provided with a first supporting part and a second supporting part, the first supporting part comprises a first supporting block, the second supporting part comprises a second supporting block, the first supporting block and the second supporting block have the same structure, the first supporting block comprises a horizontal supporting plate and an oblique supporting plate, one end of the horizontal supporting plate is fixedly connected with the lower supporting rod, one end of the oblique supporting plate is hinged with the top of the upper supporting rod through a hinge, the included angle between the inclined supporting plate and the horizontal supporting plate is adjusted by adjusting the height of the upper supporting rod extending out of the lower supporting rod, thereby adjusting the chamfer angle between the cast-in-situ bridge deck plate above the inclined supporting plate and the left flange plate, improving the overall strength of the box girder formed by the steel-concrete combination beam and the cast-in-situ bridge deck plate, meanwhile, the middle supporting template is suitable for box girders with different chamfer angles, and the application range of the middle supporting template is widened.
4. The utility model discloses a set up the edge of a wing of lateral part supporting template to cast-in-place decking both sides and support, the tip of cast-in-place decking is stretched out to the outer end of lateral part supporting template, is convenient for lay the construction pavement on the lateral part supporting template, and the lateral part supporting template still includes the protective rod, is convenient for set up the backplate on a plurality of lateral part supporting template, and the security is high.
5. The utility model discloses be provided with detection module, whether be in the horizontality through the horizontal bracing piece of the slope sensor real-time detection among the detection module, when horizontal bracing piece inclines, the slope signal that microcontroller detected the slope sensor passes through wireless transmission module and transmits for monitor terminal, and simultaneously, microcontroller control alarm reports to the police, reminds staff's lateral part supporting template to take place to incline, and the security is good.
In summary, the utility model has simple structure and reasonable design, supports the middle part of the cast-in-situ bridge deck slab by arranging the middle supporting template, and can adjust the width of the middle supporting template, so that the middle supporting template is suitable for steel-concrete composite beams with different spans, and the application range is wide; the flanges on the two sides of the cast-in-place bridge deck are supported by the lateral supporting templates, so that the cast-in-place bridge deck is convenient to install, time-saving and labor-saving, and high in safety.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of fig. 1 at B.
Fig. 4 is a schematic view of a connection structure of the first support block and the first longitudinal support rod of the present invention.
Fig. 5 is a schematic view of the connection structure of the left web, the first beam, the cushion block and the first longitudinal support rod of the present invention.
Fig. 6 is a schematic view of the connection structure of the middle support form of the present invention.
Fig. 7 is a schematic block circuit diagram of the present invention.
Description of reference numerals:
1-left web; 2-right web plate; 3-left flange plate;
4-right flange plate; 5-a first beam; 6-a second beam;
7, casting a bridge deck in situ; 8-a first longitudinal support bar; 9-a first transverse support bar;
10-a second longitudinal support bar; 11-a second transverse support bar; 12-a detection box;
13-lower support bar; 14-upper support bar; 15-locking bolt;
16 — a first support block; 17 — a second support block; 18-transverse support bars;
19-vertical support bars; 20-oblique supporting rods; 21, connecting channel steel;
22-a sleeve; 23-a screw; 24-a backing plate;
25-guard bar; 26-a lower beam body; 27-middle bamboo plywood;
28-side distribution beam; 29-side bamboo plywood; 30-a bottom plate;
31-mounting bolts; 32-cushion blocks; 33-adjusting the rod;
34-a horizontal support plate; 35-oblique supporting plate; 36-a tilt sensor;
37-surveillance camera; 38-a microcontroller; 39-alarm;
40-an upper beam body; 41-wireless transmission module; 42-adjusting the nut;
43-a hinge; 44-locking nut.
Detailed Description
As shown in fig. 1 to 7, the steel-concrete composite beam includes a plurality of steel box girders, each steel box girder includes a left web 1, a right web 2, a left flange plate 3, a right flange plate 4, and a first cross beam 5 connected between the left web 1 and the right web 2, and is a plurality of two adjacent steel box girders in the steel box girder are connected into a whole through a second cross beam 6, and is a plurality of the first cross beam 5 and a plurality of the second cross beam 6 are all located on the same horizontal plane, and the steel-concrete composite beam is characterized in that: the first beam 5 and the second beam 6 are both provided with a middle supporting template for supporting a cast-in-place bridge deck 7, the middle supporting template comprises a first supporting part and a second supporting part matched with the first supporting part,
the first supporting part comprises a first longitudinal supporting rod 8, a plurality of first transverse supporting rods 9 and a first supporting block 16, wherein the first transverse supporting rods 9 and the first supporting block are arranged on the first longitudinal supporting rod 8;
the second supporting part comprises a second longitudinal supporting rod 10, a plurality of second transverse supporting rods 11 and second supporting blocks 17, wherein the second transverse supporting rods 11 and the second supporting blocks 17 are arranged on the second longitudinal supporting rod 10, the second transverse supporting rods 11 are in sliding fit with the first transverse supporting rods 9, and the first supporting blocks 16 and the second supporting blocks 17 are identical in structure;
the first supporting block 16 comprises a horizontal supporting plate 34 and an oblique supporting plate 35, one end of the oblique supporting plate 35 is hinged to the top of the first longitudinal supporting rod 8, one end of the horizontal supporting plate 34 is connected with the bottom of the first longitudinal supporting rod 8, and the other end of the horizontal supporting plate 34 is abutted to the other end of the oblique supporting plate 35;
lateral supporting templates are symmetrically arranged at two ends of the steel-concrete combined beam, and detection modules are arranged on the lateral supporting templates.
In this embodiment, it should be noted that the steel box girders are arranged along the longitudinal direction of the cast-in-place decking 7, the plurality of steel box girders are arranged along the lateral direction of the cast-in-place decking 7 from left to right and are uniformly arranged on the same horizontal plane, the number of the first cross girders 5 is plural, the plurality of first cross girders 5 are uniformly arranged on the same horizontal plane from front to back along the longitudinal direction of the cast-in-place decking 7, the number of the second cross girders 6 is plural, the plurality of second cross girders 6 are uniformly arranged on the same horizontal plane from front to back along the longitudinal direction of the cast-in-place decking 7, and the first cross girders 5 and the second cross girders 6 are located on the same horizontal plane.
In this embodiment, the steel box girder still includes bottom plate 30, left web 1 and right web 2 set up in bottom plate 30 both sides along the length direction symmetry of bottom plate 30, left flange 3 sets up the top at left web 1 along the length direction of left web 1, right flange 4 sets up the top at right web 2 along the length direction of right web 2, the one end of first crossbeam 5 is connected with the top of left web 1, the other end of first crossbeam 5 is connected with the top of right web 2, the one end of second crossbeam 6 is connected with the top of right web 2 of one steel box girder in two adjacent steel box girders, the other end of second crossbeam 6 is connected with the top of left web 1 of another steel box girder in two adjacent steel box girders.
In this embodiment, when pouring the middle part of the cast-in-place bridge deck plate 7 on the top of the steel-concrete composite beam, the cast-in-place bridge deck plate 7 is rigidly supported by arranging the first supporting component and the second supporting component, the number of the first transverse supporting rods 9 and the second transverse supporting rods 11 is multiple, the multiple first transverse supporting rods 9 and the multiple second transverse supporting rods 11 are uniformly arranged along the longitudinal bridge direction of the cast-in-place bridge deck plate 7, and the multiple first transverse supporting rods 9 and the multiple second transverse supporting rods 11 connect the first longitudinal supporting rods 8 and the second longitudinal supporting rods 10 into a whole, so that the stability of the middle supporting template is enhanced.
In this embodiment, it should be noted that, when the cast-in-place bridge deck 7 is constructed, the bridge deck is divided into a plurality of bridge sections from front to back for construction, the construction methods of the cast-in-place bridge deck 7 of the plurality of bridge sections are the same, and after one bridge section of the plurality of bridge sections is constructed, a worker can use a winch to pull the middle supporting formwork to move the middle supporting formwork to the first cross beam 5 and the second cross beam 6 below the next bridge section to be constructed, so as to construct the next bridge section to be constructed, the movement is convenient, and the reuse rate is high.
In this embodiment, when pouring the edge of a wing to the cast-in-place decking 7 both sides in steel-concrete composite beam top, support the edge of a wing of cast-in-place decking 7 both sides through setting up lateral part supporting template, the tip of cast-in-place decking 7 is stretched out to the outer end of lateral part supporting template, is convenient for lay the construction pavement on lateral part supporting template, and lateral part supporting template still includes the guard bar 25, is convenient for set up the backplate on a plurality of lateral part supporting template, and the security is high.
In this embodiment, during practical use, separately hoist first supporting component and second supporting component to on the steel-concrete composite beam, carry out the connection of first supporting component and second supporting component on the steel-concrete composite beam, hoist and mount conveniently.
As shown in fig. 4, in this embodiment, it should be noted that the horizontal support plate 34 and the first cross beam 5 are arranged in parallel, one end of the horizontal support plate 34 is fixedly connected to the lower support rod 13, and the bottom surface of the horizontal support plate 34 is flush with the bottom surface of the lower support rod 13, one end of the inclined support plate 35 is hinged to the top of the upper support rod 14 through a hinge 43, and the included angle between the inclined support plate 35 and the horizontal support plate 34 is adjusted by adjusting the height of the upper support rod 14 extending out of the lower support rod 13, so as to adjust the chamfer angle between the cast-in-place bridge deck 7 and the left flange plate 3 above the inclined support plate 35, thereby improving the overall strength of the box beam formed by the steel-concrete composite beam and the cast-in-place bridge deck 7, and simultaneously enabling the middle support formwork to adapt to box beams with different chamfer angles, and improving the application range of the middle support formwork.
In this embodiment, it should be noted that, when the middle supporting template is installed on the first cross beam 5, the end of the first supporting block 16 away from the first longitudinal supporting rod 8 is attached to the inner side surface of the left web 1, and the end of the second supporting block 17 away from the second longitudinal supporting rod 10 is attached to the inner side surface of the right web 2; when the middle supporting template is installed on the second cross beam 6 between two adjacent steel box girders, the end part of the first supporting block 16 far away from the first longitudinal supporting rod 8 is attached to the outer side surface of the right web 2 of one of the two adjacent steel box girders, and the end part of the second supporting block 17 far away from the second longitudinal supporting rod 10 is attached to the outer side surface of the left web 1 of the other one of the two adjacent steel box girders, so that the installation stability of the middle supporting template is improved.
As shown in fig. 2 and 5, in this embodiment, the first longitudinal support bar 8 and the second longitudinal support bar 10 are both arranged along the longitudinal bridge direction of the cast-in-place bridge deck 7, the first longitudinal support bar 8 and the second longitudinal support bar 10 have the same structure,
the first longitudinal support rod 8 comprises a lower support rod 13 and an upper support rod 14 arranged in the lower support rod 13, a plurality of adjusting nuts 42 are arranged at the bottom of the lower support rod 13, and the adjusting rod 33 sequentially penetrates through the adjusting nuts 42 and the lower support rod 13 to abut against the upper support rod 14;
the plurality of first transverse supporting rods 9 are connected with the lower supporting rod 13 of the first longitudinal supporting rod 8, and the plurality of second transverse supporting rods 11 are connected with the lower supporting rod 13 of the second longitudinal supporting rod 10.
In this embodiment, the first longitudinal support bar 8 and the second longitudinal support bar 10 have the same structure, and the overall height of the first longitudinal support bar 8 and the second longitudinal support bar 10 is adjusted by adjusting the height of the upper support bar 14 in the lower support bar 13.
In this embodiment, the top of the lower support rod 13 is provided with a mounting groove for the upper support rod 14 to be mounted, the upper support rod 14 can slide up and down along the height direction of the lower support rod 13, the adjusting rod 33 is preferably a screw rod, the adjusting rods 33 are uniformly arranged along the length direction of the lower support rod 13, the bottom of the lower support rod 13 is provided with a plurality of yielding holes matched with the adjusting rod 33, and the adjusting rod 33 sequentially passes through the adjusting nut 42 and the lower support rod 13 to abut against the upper support rod 14.
As shown in fig. 6, in this embodiment, the first transverse support rods 9 and the second transverse support rods 11 are both arranged along the transverse bridge direction of the cast-in-place bridge deck 7, and the number of the first transverse support rods 9 is equal to that of the second transverse support rods 11, and the first transverse support rods 9 and the second transverse support rods 11 are in one-to-one correspondence;
the end part, far away from the second longitudinal support rod 10, of the second transverse support rod 11 extends into the first transverse support rod 9, a plurality of locking holes are formed in the first transverse support rod 9, the locking holes are evenly distributed along the length direction of the first transverse support rod 9, and locking bolts 15 are installed in the locking holes.
In this embodiment, the first transverse support bar 9 and the second transverse support bar 11 are preferably square tubes.
In this embodiment, the distance between the first longitudinal support bar 8 and the second longitudinal support bar 10 is adjusted by adjusting the length of the second transverse support bar 11 extending into the first transverse support bar 9, so as to adjust the support width of the middle support template, so that the middle support template is adapted to steel-concrete composite beams with different spans, and the application range of the middle support template is improved.
In this embodiment, during practical use, be provided with a plurality of lock nut 44 on the first horizontal bracing piece 9, it is a plurality of lock nut 44 is with a plurality of the quantity of locking hole is equal and one-to-one, and locking bolt 15 passes lock nut 44 and locks second horizontal bracing piece 11 and first horizontal bracing piece 9, and installation and dismantlement are convenient.
As shown in fig. 3, in this embodiment, the lateral supporting template includes a connecting channel steel 21 and a plurality of triangular supports that are all disposed on the connecting channel steel 21, the connecting channel steel 21 is detachably connected to the left flange plate 3, each triangular support includes a transverse support bar 18, a vertical support bar 19 and an oblique support bar 20 that are sequentially connected end to end, and an end of the vertical support bar 19 connected to the transverse support bar 18 is fixedly connected to the connecting channel steel 21;
the tip upside that transverse support 18 and diagonal bracing 20 are connected is provided with the guard bar 25, the tip that vertical support 19 and diagonal bracing 20 are connected is provided with sleeve 22, be provided with the internal thread in the sleeve 22, the one end and the sleeve 22 screw-thread fit of screw rod 23, the other end of screw rod 23 is provided with backing plate 24, backing plate 24 laminates mutually with the lateral surface of left web 1.
In the embodiment, the plurality of triangular support frames are uniformly distributed along the length direction of the connecting channel steel 21, and the connecting channel steel 21 is detachably connected with the left flange plate 3 through the mounting bolt 31 to realize the connection of the side supporting template and the steel-concrete combined beam, so that the mounting and the dismounting are convenient; the triangular support frame has good stability, the transverse support rod 18 extends out of the end part of the cast-in-place bridge deck 7 by 50-80 cm, and a facility access way is paved on the transverse support rod 18, so that workers can walk conveniently; the guard bar 25 is vertically arranged with the transverse support bar 18, and a guard plate is arranged on the guard bar 25 to enhance the construction safety; the length that the screw 23 stretches out sleeve 22 is adjusted according to the distance between vertical support rod 19 and the left web 1 to set up backing plate 24 at the tip that the sleeve 22 was kept away from to screw 23 and make backing plate 24 laminate mutually with the lateral surface of left web 1, increase the area of contact of screw 23 and left web 1, reinforcing triangular supports's stability.
As shown in fig. 7, in the present embodiment, the detection module includes an electronic circuit board, a tilt sensor 36 provided on the lateral support bar 18, and a monitoring camera 37 provided on the guard bar 25;
the electronic circuit board is integrated with a microcontroller 38 and a wireless transmission module 41 connected with the microcontroller 38, the output ends of the inclination sensor 36 and the monitoring camera 37 are connected with the input end of the microcontroller 38, and the output end of the microcontroller 38 is connected with an alarm 39.
In the present embodiment, as shown in fig. 3, in actual use, the bottom of the transverse supporting rod 18 is provided with the detection box 12, the electronic circuit board is installed in the detection box 12, the inclination sensor 36 is installed at the bottom of the detection box 12, the inclination sensor 36 is located outside the detection box 12, the inclination sensor 36 is vertically arranged with the bottom surface of the detection box 2, and the alarm 39 is arranged in the detection box 12.
In this embodiment, microcontroller 38 includes STM32F103VET6 microcontroller, and wireless transmission module 41 is preferably ATK-ESP8266WIFI module, transmits the data that inclination sensor 36 and surveillance camera 37 that microcontroller 38 received to monitor terminal through setting up wireless transmission module 41, and the staff of being convenient for looks over remotely.
In this embodiment, it should be noted that the inclination sensor 36 is an ADXL inclination sensor, after the installation of the side supporting template is completed, the inclination sensor 36 is arranged to detect whether the detection box 12 is in a vertical state in real time, and further detect whether the transverse supporting rod 18 is in a horizontal state, when the pin D01 of the inclination sensor 36 outputs a high level or the pin D02 of the inclination sensor 36 outputs a high level to the microcontroller 38, the microcontroller 38 inclines, that is, the transverse supporting rod 18 inclines, the microcontroller 38 transmits an inclination signal detected by the inclination sensor 36 to the monitoring terminal through the wireless transmission module 41, and meanwhile, the microcontroller 38 controls the alarm 39 to alarm to remind a worker that the side supporting template is inclined; the surveillance camera 37 is OV7670 camera module, and surveillance camera 37 installs at the top of guard bar 25, and surveillance camera 37 is towards cast-in-place decking 7, carries out the image shooting through setting up environment and staff's the behavior and the environment around surveillance camera 37 of surveillance camera 37.
As shown in fig. 2, in this embodiment, a plurality of middle distribution beams are arranged on the middle support template, each middle distribution beam includes a lower beam body 26 and an upper beam body 40 arranged in the lower beam body 26, a plurality of beam body adjusting nuts are arranged in the lower beam body 26, and the beam body adjusting rods sequentially penetrate through the lower beam body 26 and the beam body adjusting nuts to abut against the upper beam body 40;
the bottom surface of the lower beam body 26 is attached to the upper surface of the middle supporting template, a middle bamboo plywood 27 is arranged at the top of the upper beam body 40, and the middle distribution beams are connected into a whole through the middle bamboo plywood 27.
In this embodiment, it should be noted that, the cushion blocks 32 are respectively disposed between the first longitudinal support bar 8 and the first cross beam 5, and between the second longitudinal support bar 10 and the first cross beam 5, after the construction of the cast-in-place bridge deck 7 of one bridge section is completed, the worker takes down the cushion blocks 32, and the middle support formwork falls onto the first cross beam 5 or the second cross beam 6, so as to move the middle support formwork.
In this embodiment, the first longitudinal support bar 8, the first transverse support bar 9, the second longitudinal support bar 10, the second transverse support bar 11, the first support block 16 and the second support block 17 are all provided with a middle distribution beam, and the middle distribution beam is bound on the first longitudinal support bar 8, the first transverse support bar 9, the second longitudinal support bar 10, the second transverse support bar 11, the first support block 16 and the second support block 17 through thin iron wires; the middle distribution beams are fastened and connected into a whole by arranging the middle bamboo plywood 27, and a plane convenient for pouring the cast-in-place bridge deck 7 is formed at the tops of the middle distribution beams.
In this embodiment, in actual use, the lower beam body 26 and the lower support rod 13 have the same structure, the upper beam body 40 and the upper support rod 14 have the same structure, the beam body adjusting rod and the adjusting rod 33 have the same structure, the beam body adjusting nut and the adjusting nut 42 have the same structure, and the beam body adjusting nut is located in the lower support rod 13, so that the height of the middle distribution beam can be conveniently adjusted, and the application range of the middle distribution beam can be widened.
In the embodiment, as shown in fig. 3, a plurality of side distribution beams 28 are arranged on the side support formworks, a side bamboo plywood 29 is arranged on the top of the side distribution beams 28, and the side distribution beams 28 are connected into a whole through the side bamboo plywood 29.
In this embodiment, the plurality of side distribution beams 28 are uniformly arranged on the transverse support bar 18, the side bamboo plywood 29 is arranged on the top of the side distribution beam 28, the side bamboo plywood 29 fastens and connects the plurality of side distribution beams 28 into a whole, a plane convenient for casting the cast-in-place bridge deck 7 is formed on the top of the plurality of side distribution beams 28, and the movement is convenient.
The utility model discloses during the specific use, when carrying out cast-in-place decking 7 pouring construction at the reinforced concrete composite beam top, divide into a plurality of bridge sections with the decking by preceding to the back and construct, 7 construction methods of cast-in-place decking of a plurality of bridge sections are all the same, and the cast-in-place decking 7's of an arbitrary bridge section work progress in a plurality of bridge sections is as follows: firstly, mounting middle supporting templates on a first cross beam 5 and a second cross beam 6 at the bottom of a cast-in-place bridge deck 7 to be constructed, when the middle supporting templates are placed on the first cross beam 5, using a crane to hoist a first supporting component and a second supporting component onto the first cross beam 5, adjusting the mounting height of an upper supporting rod 14 in a lower supporting rod 13, and further adjusting the included angle between an inclined supporting plate 35 and a horizontal supporting plate 34, so that the included angle between the inclined supporting plate 35 and the horizontal supporting plate 34 is equal to the chamfer angle between a steel box girder and the cast-in-place bridge deck 7; adjusting the length of the second transverse support bar 11 extending into the first transverse support bar 9, locking the second transverse support bar 11 and the first transverse support bar 9 by a locking bolt 15, placing cushion blocks 32 at two ends of the first longitudinal support bar 8 and the second longitudinal support bar 10, wherein the cushion block 32 below the first longitudinal support bar 8 is positioned between the first longitudinal support bar 8 and the first cross beam 5, the cushion block 32 below the second longitudinal support bar 10 is positioned between the second longitudinal support bar 10 and the first cross beam 5, and making the end part of the first support block 16 far away from the first longitudinal support bar 8 fit with the inner side surface of the left web plate 1, the end part of the second support block 17 far away from the second longitudinal support bar 10 fit with the inner side surface of the right web plate 2, and placing a plurality of middle distribution beams on the first longitudinal support bar 8, the first transverse support bar 9, the second longitudinal support bar 10, the second transverse support bar 11, the first support block 16 and the second support block 17, adjusting the mounting height of an upper beam body 40 in a lower beam body 26 in a middle distribution beam to ensure that the top surface height of the upper beam body 40 is consistent with the design height of the bottom of a cast-in-place bridge deck 7, binding the middle distribution beam on a first longitudinal support rod 8, a first transverse support rod 9, a second longitudinal support rod 10, a second transverse support rod 11, a first support block 16 and a second support block 17 through thin iron wires, laying middle bamboo rubber plates 27 on the tops of a plurality of middle distribution beams to facilitate the pouring of the cast-in-place bridge deck 7 to be constructed above the middle distribution beam, and repeating the steps for multiple times until all middle support templates below the cast-in-place bridge deck 7 to be constructed are mounted;
secondly, mounting side supporting templates on both sides of a steel-concrete combination beam below a cast-in-place bridge deck 7 to be constructed, when the side supporting templates are mounted on the left side of the steel-concrete combination beam, connecting channel steel 21 and a left flange plate 3 are detachably connected through mounting bolts 31, a backing plate 24 is attached to the outer side face of a left web plate 1 through adjusting screws 23, transverse supporting rods 18 and a first cross beam 5 are arranged in parallel, a plurality of side distributing beams 28 are placed on the transverse supporting rods 18, side bamboo glue plates 29 are laid on the tops of the side distributing beams 28, and the steps are repeated to complete mounting of the side supporting templates on the right side of the steel-concrete combination beam;
finally, placing steel reinforcement cages on the middle bamboo plywood 27 and the side bamboo plywood 29 for pouring construction of the cast-in-place bridge deck 7 to be constructed, taking away the cushion blocks 32 by workers after pouring construction of the cast-in-place bridge deck 7 to be constructed is completed, allowing the middle supporting template to fall onto the first cross beam 5 and the second cross beam 6, allowing the workers to pull the middle supporting template by using a winch to move the middle supporting template to the first cross beam 5 and the second cross beam 6 at the bottom of the next cast-in-place bridge deck 7 to be constructed, detaching the side supporting templates to be installed on two sides of the steel-concrete composite beam at the bottom of the next cast-in-place bridge deck 7 to be constructed, and performing pouring construction of the next cast-in-place bridge deck 7 to be constructed.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses in technical scheme's the protection scope.
Claims (7)
1. The utility model provides a bearing structure is used in construction of steel-concrete bonded beam decking, steel-concrete bonded beam includes a plurality of steel box girders, the steel box girder includes left web (1), right web (2), left flange board (3) and right flange board (4) to and connect first crossbeam (5) between left web (1) and right web (2), and a plurality of connect as an organic wholely through second crossbeam (6) between two adjacent steel box girders in the steel box girder, it is a plurality of first crossbeam (5) and a plurality of second crossbeam (6) all are located same horizontal plane, its characterized in that: the first beam (5) and the second beam (6) are both provided with a middle supporting template for supporting a cast-in-place bridge deck (7), the middle supporting template comprises a first supporting part and a second supporting part matched with the first supporting part,
the first supporting part comprises a first longitudinal supporting rod (8), a plurality of first transverse supporting rods (9) and a first supporting block (16), wherein the first transverse supporting rods (9) are arranged on the first longitudinal supporting rod (8);
the second supporting part comprises a second longitudinal supporting rod (10), a plurality of second transverse supporting rods (11) and second supporting blocks (17), the second transverse supporting rods (11) are arranged on the second longitudinal supporting rod (10) respectively, the second transverse supporting rods (11) are in sliding fit with the first transverse supporting rods (9), and the first supporting blocks (16) and the second supporting blocks (17) are identical in structure;
the first supporting block (16) comprises a horizontal supporting plate (34) and an oblique supporting plate (35), one end of the oblique supporting plate (35) is hinged to the top of the first longitudinal supporting rod (8), one end of the horizontal supporting plate (34) is connected with the bottom of the first longitudinal supporting rod (8), and the other end of the horizontal supporting plate (34) is abutted to the other end of the oblique supporting plate (35);
lateral supporting templates are symmetrically arranged at two ends of the steel-concrete combined beam, and detection modules are arranged on the lateral supporting templates.
2. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam according to claim 1, wherein: the first longitudinal support rod (8) and the second longitudinal support rod (10) are arranged along the longitudinal bridge direction of the cast-in-place bridge deck (7), the first longitudinal support rod (8) and the second longitudinal support rod (10) have the same structure,
the first longitudinal supporting rod (8) comprises a lower supporting rod (13) and an upper supporting rod (14) arranged in the lower supporting rod (13), a plurality of adjusting nuts (42) are arranged at the bottom of the lower supporting rod (13), and the adjusting rod (33) sequentially penetrates through the adjusting nuts (42) and the lower supporting rod (13) to be abutted against the upper supporting rod (14);
the plurality of first transverse supporting rods (9) are connected with the lower supporting rod (13) of the first longitudinal supporting rod (8), and the plurality of second transverse supporting rods (11) are connected with the lower supporting rod (13) of the second longitudinal supporting rod (10).
3. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam according to claim 1, wherein: the first transverse supporting rods (9) and the second transverse supporting rods (11) are arranged along the transverse bridge direction of the cast-in-place bridge deck (7), and the first transverse supporting rods (9) and the second transverse supporting rods (11) are equal in number and correspond to each other one by one;
the tip that second longitudinal support pole (10) was kept away from in second transverse support pole (11) stretches into in first transverse support pole (9), a plurality of locking holes have been seted up on first transverse support pole (9), and is a plurality of the locking hole is evenly laid along the length direction of first transverse support pole (9), locking downthehole locking bolt (15) of installing.
4. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam according to claim 1, wherein: the lateral supporting template comprises a connecting channel steel (21) and a plurality of triangular supporting frames which are arranged on the connecting channel steel (21), the connecting channel steel (21) is detachably connected with the left flange plate (3), each triangular supporting frame comprises a transverse supporting rod (18), a vertical supporting rod (19) and an oblique supporting rod (20) which are sequentially connected end to end, and the end part of the vertical supporting rod (19) connected with the transverse supporting rod (18) is fixedly connected with the connecting channel steel (21);
the utility model discloses a horizontal bracing piece, including horizontal bracing piece (18) and diagonal bracing piece (20), tip upside that the tip upside that is connected of horizontal bracing piece (18) and diagonal bracing piece (20) is provided with guard bar (25), the tip that vertical support pole (19) are connected with diagonal bracing piece (20) is provided with sleeve (22), be provided with the internal thread in sleeve (22), the one end and sleeve (22) screw-thread fit of screw rod (23), the other end of screw rod (23) is provided with backing plate (24), backing plate (24) are laminated mutually with the lateral surface of left web (1).
5. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam as claimed in claim 4, wherein: the detection module comprises an electronic circuit board, an inclination sensor (36) arranged on the transverse supporting rod (18) and a monitoring camera (37) arranged on the guard bar (25);
the electronic circuit board is integrated with a microcontroller (38) and a wireless transmission module (41) connected with the microcontroller (38), the output ends of the inclination sensor (36) and the monitoring camera (37) are connected with the input end of the microcontroller (38), and the output end of the microcontroller (38) is connected with an alarm (39).
6. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam according to claim 1, wherein: the middle supporting template is provided with a plurality of middle distributing beams, each middle distributing beam comprises a lower beam body (26) and an upper beam body (40) arranged in the lower beam body (26), a plurality of beam body adjusting nuts are arranged in the lower beam body (26), and the beam body adjusting rods sequentially penetrate through the lower beam body (26) and the beam body adjusting nuts to be abutted against the upper beam body (40);
the bottom surface of the lower beam body (26) is attached to the upper surface of the middle supporting template, a middle bamboo plywood (27) is arranged at the top of the upper beam body (40), and the middle distribution beams are connected into a whole through the middle bamboo plywood (27).
7. The supporting structure for the construction of the bridge deck of the steel-concrete composite beam according to claim 1, wherein: the side supporting formwork is provided with a plurality of side distribution beams (28), the top of each side distribution beam (28) is provided with a side bamboo plywood (29), and the side distribution beams (28) are connected into a whole through the side bamboo plywood (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114625.0U CN214194162U (en) | 2020-12-22 | 2020-12-22 | Supporting structure for construction of bridge deck of steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114625.0U CN214194162U (en) | 2020-12-22 | 2020-12-22 | Supporting structure for construction of bridge deck of steel-concrete composite beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277656A (en) * | 2021-12-20 | 2022-04-05 | 中铁二十局集团有限公司 | Composite structure of superposed beam |
| CN114481846A (en) * | 2022-01-29 | 2022-05-13 | 北京航空航天大学 | Cast-in-place construction method of bridge concrete bridge deck and bridge construction formwork |
-
2020
- 2020-12-22 CN CN202023114625.0U patent/CN214194162U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277656A (en) * | 2021-12-20 | 2022-04-05 | 中铁二十局集团有限公司 | Composite structure of superposed beam |
| CN114277656B (en) * | 2021-12-20 | 2023-04-18 | 中铁二十局集团有限公司 | Composite structure of superposed beam |
| CN114481846A (en) * | 2022-01-29 | 2022-05-13 | 北京航空航天大学 | Cast-in-place construction method of bridge concrete bridge deck and bridge construction formwork |
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