CN110820559A - Cement concrete bridge deck pavement and construction method - Google Patents
Cement concrete bridge deck pavement and construction method Download PDFInfo
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- CN110820559A CN110820559A CN201911326629.4A CN201911326629A CN110820559A CN 110820559 A CN110820559 A CN 110820559A CN 201911326629 A CN201911326629 A CN 201911326629A CN 110820559 A CN110820559 A CN 110820559A
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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
Abstract
The invention provides a cement concrete bridge deck pavement and construction method, which comprises the following steps: the concrete bridge face steel reinforcement cage normal position ligature bed-jig, concrete bridge face instrument formula formwork, concrete bridge face track gliding operation platform and concrete bridge face track gliding perfusion device. The integral structure is characterized in that a steel bar is bound by using a jig frame, a formwork is supported by using a formwork supporting tool, pouring and leveling are performed by using an integrated operating platform after the formwork is supported, and roughening and maintaining are performed by using a pouring device after leveling.
Description
Technical Field
The invention relates to a bridge deck pavement and construction method, in particular to a cement concrete bridge deck pavement and construction method.
Background
The concrete bridge deck pavement layer mainly plays a role in protecting a bridge deck, dispersing wheel concentrated load and preventing main beam concrete and steel bars from being corroded, and construction quality control is very important. The traditional method is that after the reinforcing mesh is installed or bound and accepted, a half width is generally divided into 2-3 strips for pouring by utilizing a prefabricated elevation control band, vibration compaction is carried out through a vibrating rod, a flat vibrator, a vibrating beam and the like, surface cement slurry is extracted through a slurry extracting roller, and finally finishing, forming and napping are carried out. The traditional construction method is labor-consuming and time-consuming, the phenomena of poor flatness of a pavement layer, dislocation of a secondary construction surface, large-area cracking and the like often occur, and the construction quality is not easy to control. The thickness of the bridge deck pavement is increased, the overall rigidity of the bridge structure cannot be enhanced generally, but the dead load of the bridge is increased, and particularly for the large-span bridge, the weight of the bridge deck pavement can have great influence on the economy of the bridge. Therefore, it is desirable to have the deck pavement as thin as possible to reduce weight. The bridge can produce the flexure under the vehicle load effect for the deck pavement also produces the flexural deformation, therefore, under the repeated load effect, the deck pavement easily produces fatigue fracture. The good flexibility of the paving material can reduce or avoid the flexural cracking of the paving layer. The elastic modulus of the bridge deck pavement material is generally far smaller than that of a bridge deck slab, a pavement layer is thinner (generally 5-8 cm), and under the action of vehicle load, bridge deck pavement is in a more unfavorable stress state than a common road surface. Particularly in high-temperature seasons, the pavement of asphalt bridge decks is easy to generate plastic deformation and slippage, and waves and ruts are formed. Therefore, the paving material is required to have better deformation resistance stability, and be well adhered to the bridge surface, so as to avoid plastic deformation and slippage. The water seepage of the pavement of the bridge deck can cause the corrosion of steel bars in the steel bridge deck or concrete. Therefore, compared with the common pavement, the water seepage prevention requirement for bridge deck pavement is higher. The smooth bridge deck pavement can meet the requirements of stable and comfortable running of vehicles, reduce the impact effect of vehicle load on a bridge structure, improve the load condition of the bridge and also be beneficial to the drainage of the pavement surface.
Disclosure of Invention
The invention aims to overcome the defects and provides a cement concrete bridge deck pavement and construction method.
The technical scheme provides a construction method for paving a cement concrete bridge deck, which comprises the following construction steps:
step 1: a clamping groove (8) is arranged: the pedestal (7) is arranged between the opposite guardrail bases (2), the base angle steel (3) is arranged at the bottom of the pedestal (7), a clamping groove (8) is reserved at the position indicated by the base angle steel (5), the position of the top angle steel (3) is reserved at the upper part, and the clamping groove (8) at the top is reserved after the top angle steel (3) is arranged;
step 2: installing an adjustable support device (9): firstly, a supporting bottom plate (11) is fixed on a guardrail base (2), an adjusting rod (14) is fixed on the supporting bottom plate (11), and a bottom plate supporting rod (5) and a fixed adjusting spring (13) are arranged on the adjusting rod (14);
and step 3: assembling a cement concrete bridge deck reinforcement cage in-situ binding jig: after the adjustable supporting device (9) is installed, the supporting rods (5) are fixed between the guardrail base (2) and the adjustable supporting device (2), the connecting rods (4) are installed between the two supporting rods (5), and the pedestal connecting rods (4) are connected with the pedestal (7) and the adjustable supporting device (9);
and 4, step 4: erecting side templates (18): fixing the side formwork (18) on the bridge deck;
and 5: set up end formwork (24): a plurality of end templates (24) are connected by template separation plates (22), the end templates (24) are connected with side templates (18), connecting wood blocks (17) and wood pads (19) are installed, and bridge deck preliminary chiseling reserved holes (20) are reserved in the end templates (24);
step 6: set up concrete evener (35): firstly, a channel steel track (41) is laid on a guardrail base (2), a pulley extension rod (30) is connected to a leveling machine pulley (31), a support (28) is welded on the pulley extension rod (30), a leveling machine truss support (20) is erected on the support (28), then a pulley fixing upper part (32) is fixed on the leveling machine pulley (31), and a concrete leveling machine (35) is connected between the two leveling machine pulleys (31);
and 7: setting up an operation platform: a channel steel track (41) is laid on a guardrail base (2), a pulley extension rod (30) is connected to a leveling machine pulley (31), a support (28) is welded on the pulley extension rod (30), and an operation platform truss support (36) is erected on the support (28); an operation platform (37) is welded on the pulley fixing upper part (32);
and 8: setting up a sliding operation platform: welding a support rod (38) between the operation platform (37) and the operation platform truss, connecting rods (39) are connected between the leveling machine truss support (29) and the operation platform truss support (36) in a welding mode, and a bottom connecting rod (42) is connected between the two pulley fixing upper parts (32) in a welding mode;
and step 9: setting up a perfusion device: firstly, installing perfusion device pulleys (45) on a bridge deck guardrail (1), installing a steel groove on a guardrail base (2) and installing guardrail base rollers (51) on the steel groove, installing a perfusion platform (53) on the guardrail base rollers (51), fixing a roughening machine (52) on the lower part of the perfusion platform (53), fixing a fixing plate (54) on the upper part of the perfusion platform (53), arranging a transverse steel groove on the upper part of the fixing plate (54), and arranging a reinforced water tank roller (55) on the transverse steel groove; a reinforcing steel bar water tank fixing plate (58) is installed on the reinforcing steel bar water tank roller (55), a reinforcing steel bar water tank (49) is arranged on the reinforcing steel bar water tank roller, and the reinforcing steel bar water tank (49) is firmly connected with the reinforcing steel bar water tank fixing plate (58) through a reinforcing steel bar water tank fixing frame (56).
According to another aspect of the present invention, there is provided a cement concrete deck constructed according to the method of construction thereon.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
1. the adjustable support device who adopts can adjust the height through the mode of adjusting fixed regulating spring and bottom plate bracing piece when meetting the uneven condition of bridge floor, and the angle steel and the draw-in groove structure of the inside can fix a position installation stirrup and bottom plate stirrup accurately, and then improve the ligature precision of whole reinforcing bar, have good economic benefits and technical benefit.
2. The concrete leveling machine and the operation platform are integrated, so that the structure can improve a large amount of stability of the whole structure, the construction steps are simpler after the structure is finished, and good technical benefits are brought.
3. The water spraying direction of the water spraying device is adjusted by the aid of the pulley structure, so that construction materials are saved, operation is simple, construction is convenient, the filling platform is well connected with the chiseling machine and the reinforcing steel bar water tank, the chiseling machine and the reinforcing steel bar water tank are integrated, convenience is brought in the construction process, and good technical benefits are achieved.
Drawings
FIG. 1 is a schematic front view of a reinforcement cage in-situ binding jig frame for a cement concrete bridge deck;
FIG. 2 is a schematic perspective view of a concrete bridge deck reinforcement cage in-situ binding jig frame;
FIG. 3 is a schematic front view of an adjustable support;
FIG. 4 is a schematic front view of an end formwork of a tool type formwork for a cement concrete bridge deck;
FIG. 5 is a schematic side view of a tool-type formwork side formwork for a cement concrete bridge deck;
FIG. 6 is a schematic front view of a concrete screed of a slip-type operating platform for a cement concrete deck track;
FIG. 7 is a schematic view of the front side of the operating platform of the sliding operating platform of the track of the cement concrete bridge deck;
FIG. 8 is a schematic side view of a slip type operation platform for a track of a cement concrete deck;
FIG. 9 is a schematic front view of a slip type pouring device for a track of a cement concrete deck;
FIG. 10 is a schematic view of the sprinkler and the reinforced water tank;
in the figure: 1-bridge deck guardrail; 2-a guardrail base; 3-top angle steel; 4-a connecting rod; 5-a support rod; 6-base angle steel; 7-a pedestal; 8-a clamping groove; 9-adjustable support means; 10-pedestal connection rods; 11-a support floor; 12-a floor support bar; 13-fixing the adjusting spring; 14-adjusting the rod; 15-baseplate bolts; 16-a baseplate nut; 17-connecting the wood blocks; 18-side template; 19-skid; 20-primarily roughening a reserved hole on the bridge deck; 21-connecting bolts; 22-a template separator plate; 23-connecting nuts; 24-end forms; 25-side scabbling frame; 26-transverse roughening the steel strip; 27-vertical furring of steel strips; 28-a scaffold; 29-a screed truss mount; 30-a pulley extension bar; 31-a leveler sheave; 32-pulley fixed upper part; 33-a screw connection rod; 34-rotating rod; 35-concrete evener; 36-operating platform truss supports; 37-an operating platform; 38-a support bar; 39-connecting rod; 40-a bracket connection bar; 41-channel steel rails; 42-bottom connecting rod; 43-bridge deck; 44-a pulley haulage line; 45-perfusion apparatus pulley; 46-pulley fixing rod; 47-a pulley support; 48-water; 49-a steel bar water tank; 50-a sprinkler device; 51-guardrail base rollers; 52-a roughening machine; 53-perfusion platform; 54-a fixed plate; 55-steel bar water tank roller; 56-reinforcing steel bar water tank fixing frame; 57-water inlet of steel bar water tank; 58-reinforcing steel bar water tank fixing plate.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
The utility model provides a completion needs that cement concrete bridge face mated formation relate to cement concrete bridge face steel reinforcement cage normal position ligature bed-jig, cement concrete bridge face instrument formula formwork, the gliding operation platform of cement concrete bridge face track and the gliding perfusion device isotructure of cement concrete bridge face track.
Cement concrete bridge floor steel reinforcement cage normal position ligature bed-jig includes: bridge floor guardrail 1, guardrail base 2, top angle steel 3, connecting rod 4, bracing piece 5, base angle steel 6, pedestal 7, draw-in groove 8, adjustable strutting arrangement 9, pedestal connecting rod 10, supporting baseplate 11, bottom plate bracing piece 12, fixed regulating spring 13, regulation pole 14, bottom plate bolt 15, bottom plate nut 16. And the top angle steel 3 and the base angle steel 6 are both provided with clamping grooves 8 for placing stirrups. The connecting rod 4 is connected between two supporting rods 5 which are arranged on the same side of the guardrail base 2 at a parallel interval, one end of each supporting rod 5 is connected with the pedestal 7 in a welding mode, and the other end of each supporting rod is connected with the adjustable supporting device 9.
The cement concrete bridge floor instrument formula formwork include: the bridge floor guardrail comprises a bridge floor guardrail 1, a bridge floor 43, side templates 18, connecting wood blocks 17, end templates 24, a skid 19, a bridge floor preliminary roughening reserved hole 20, a connecting bolt 23, a template separation plate 22, a connecting nut 23, a side roughening frame 25, a vertical roughening steel bar 27 and a transverse roughening steel bar 26. The side formwork 18 is located on the bridge floor 43, specifically, the side formwork 3 is connected with the bridge floor 2 through side formwork bolts 4 and side formwork nuts 5, and the side formwork bolts 4 penetrate through the side formwork 3 to be fixed on the bridge floor 2 and are connected and fixed through the side formwork nuts 5. The end forms 24 are located at opposite ends of the deck 43 and are connected to the side forms 18. The lower part of the end template 24 is reserved with a preliminary bridge deck roughening reserved hole 20.
The sliding operation platform of cement concrete bridge face track include: the bridge floor guardrail 1, guardrail base 2, evener pulley 31, pulley extension rod 30, the fixed upper portion 32 of pulley, screw connecting rod 33, rotary rod 34, concrete evener 35, support 28, evener truss support 29, operation platform truss support 36, operation platform 37, bracing piece 38, connecting rod 39, bottom connecting rod 42, support connecting rod 40, channel-section steel track 41. Evener pulley 31 lower part and 2 upper portions of guardrail base laid channel-section steel track 41, there is the pulley extension rod 30 that the bearing is connected at evener pulley 31 both ends, the welding has support 28 on the pulley extension rod 30, set up evener truss support 29 on a set of support 28, be connected with concrete evener 35 between the pulley 31 that the support 28 that carries evener truss support 29 corresponds, operation platform truss support 36 sets up on another set of support 38, be connected with operation platform 37 between the pulley 31 that the support 28 that carries operation platform truss support 36 corresponds, operation platform 37 and concrete evener 35 are connected.
The slip type perfusion device of cement concrete bridge face track include: the device comprises a bridge floor guardrail 1, a guardrail base 2, a bridge floor 43, a pulley traction rope 44, a pouring device pulley 45, a pulley fixing rod 46, a pulley support 47, water 48, a reinforced water tank 49, a water sprinkling device 50, a guardrail base roller 51, a roughening machine 52, a pouring platform 53, a fixing plate 54, a reinforced water tank roller 55, reinforced water tank fixing steel 58, a reinforced water tank water inlet 57 and a reinforced water tank fixing frame 56. The pouring device comprises a pouring device pulley 45, a pulley fixing rod 46 and a pulley support 47, wherein the pulley 45, the pulley fixing rod 46 and the pulley support 47 are located on a bridge floor guardrail 1, a steel groove is laid on a guardrail base 2 in advance, a guardrail base roller 51 is arranged on the steel groove, and a pouring platform 53 is arranged on the guardrail base roller 51. The lower part of the pouring platform 53 is provided with a chiseling machine 52, the upper part is provided with a reinforced water tank 49 and a water spraying device 50, the water spraying device 50 is inserted into the reinforced water tank 49, the pulley traction rope 44 is connected with the water spraying device 50, and the chiseling machine 52 is positioned above the bridge floor 3.
Pedestal 7 is established between relative bridge floor guardrail 1, and adjustable strutting arrangement 9 is arranged in on guardrail base 2, and 5 one ends of bracing piece are connected adjustable strutting arrangement 9 other end and are connected pedestal 7 and slope and arrange in on guardrail base 2, and two parallel intervals set up bracing piece 5 on same one side guardrail base 2 and are connected each other, and draw-in groove 8 is arranged in on pedestal 7 to and arrange in bracing piece 5 and adjustable strutting arrangement 9 crossing position on. The bridge floor guardrail 1 is arranged on the guardrail base 2 and is positioned on two sides of the adjustable supporting device 9.
The top angle 3 is located at the intersection of the adjustable support means 9 and the support bar 5 and the base angle 6 is located on the pedestal 7. Pedestal connecting rod 10 one end links to each other with bottom plate support pole 12, and the other end is connected with pedestal 7 with welded mode, and pedestal connecting rod 10 sets up parallel to pedestal 7.
Adjustable strutting arrangement 9 includes supporting baseplate 11, bottom plate bracing piece 12, fixed regulating spring 13, adjusts pole 14, bottom plate bolt 15, bottom plate nut 16, supporting baseplate 11 passes through bottom plate bolt 15 and bottom plate nut 16 and sub-unit connection, installs on the supporting baseplate 11 and adjusts pole 14, has the hole in adjusting pole 14 for place bottom plate bracing piece 12, fixed regulating spring 13, the regulation that stretches out and draws back is come to the fixed regulating spring 13 of bottom plate bracing piece 12 accessible.
The side template 18 is inboard installed through the welded mode has the side chisel hair frame 25, and the side chisel hair frame 25 is horizontal and vertical to reserve has the hole, transversely can install horizontal chisel hair billet 26, and vertically can install vertical chisel hair billet 27. The connection mode of the end template 24 and the side template 18 comprises a connecting wood block 17 and a skid 19. The connecting wood blocks 17 are positioned at the upper part of the end part template 24 and the inner side of the side template 18, and the connecting columns are fixed in a manner of strong glue. The skid 19 is positioned at the lower portion of the end form 24 and the inner side of the side form 18, and is fixed by the friction force of the self-weight of the form. Because the bridge floor 43 is too wide, the template separation plate 22 is arranged for splicing the end templates 24, holes are reserved in the template separation plate 22 for the connecting bolts 23 to pass through, and the connecting nuts 25 extend into the end templates 24 through the connecting bolts 23 and are firmly connected with the end templates 24.
The leveling machine pulley 31 is welded and fixed with a pulley fixing upper part 32, a spiral hole is reserved on the pulley fixing upper part 32 in advance, a spiral connecting rod 33 is connected with the pulley fixing upper part 32 through the spiral hole, and the other end of the spiral connecting rod 33 is fixedly connected with a rotating rod 34. The other end of the rotating rod 34 is fixedly connected to a concrete levelling machine 35. The operation platform 37 is located on another pulley extension rod 30 and connected by welding, and the pulley extension rod 30 is connected with another group of pulleys 3.
The operator platform truss support 36 is suspended from the other set of supports 28 and the support rods 38 are connected between the operator platform truss support 36 and the operator platform 37. The connecting rods 39 are connected by welding between the screed truss support 29 and the operating platform truss support 36, the bottom connecting rods 42 are connected by welding between the two pulley fixed upper portions 32, and the stand connecting rods 40 are connected by welding between the stands 28.
The pulley support 47 is located on the bridge floor guardrail 1, a hole is reserved in the pulley support 47, the pulley fixing rod 46 is installed on the reserved hole of the pulley support 47, the pouring device pulley 45 is connected with the pulley support 47 through the pulley fixing rod 46, and the pulley traction rope 44 passes through the pouring device pulley 45. The roughening machine 52 at the lower part of the pouring platform 53 is connected with the roughening connecting nut 17 through the roughening connecting bolt 16. The pouring platform 53 is provided with a fixing plate 54, the fixing plate 54 is also provided with a transverse steel groove, the steel groove is provided with a steel bar water tank roller 55, the steel bar water tank roller 55 is provided with steel bar water tank fixing steel 58 and is provided with a steel bar water tank 49, water 48 is arranged in the steel bar water tank 49, the steel bar water tank 49 is provided with a steel bar water tank water inlet 19, water 48 is poured into the steel bar water tank through a steel bar water tank water inlet 57, and the water sprinkling device 50 is fixed with the steel bar water tank 49 and sprinkles water through water pressure difference. The upper part of the water sprinkling device 50 is connected with the pulley hauling ropes 44 at the two sides, and the water sprinkling direction can be adjusted. The reinforced water tank 49 is fixedly connected with reinforced water tank fixing steel 58 through a reinforced water tank fixing frame 56. The reinforced water tank 49 is arranged in the reinforced water tank fixing frame 56 and is fixedly connected with a reinforced water tank fixing steel plate 58.
The cement concrete bridge deck pavement and construction method comprises the following construction steps:
(1) a clamping groove 8 is arranged. Base angle steel 3 is arranged at the bottom of the pedestal 7, and a clamping groove 8 is reserved at the position indicated by the base angle steel 6. The position of the top angle steel 3 is reserved on the upper portion, and the clamping groove 8 on the top portion is reserved after the top angle steel 3 is arranged. Adjustable support means 9 are mounted. The support base 11 is first placed in the appropriate position, holes are made in the support base 11 and the support base is fastened to the substructure by means of base bolts 15 and base nuts 16. An adjusting rod 14 is fixed on the supporting bottom plate 11, and holes are reserved in the adjusting rod 14 and used for installing the bottom plate supporting rod 5 and fixing the adjusting spring 13. This completes the adjustable support means 9.
(2) The individual sites are then joined. After the adjustable supporting device 9 is installed, the supporting rods 5 are fixed between the base 2 and the adjustable supporting device 9, the connecting rods 4 are installed between the two supporting rods 5, one end of each pedestal connecting rod 4 is connected with the pedestal 7 in a welding mode, and the other end of each pedestal connecting rod is connected with the adjustable supporting device 9. Thus completing the in-situ binding jig frame of the cement concrete bridge deck reinforcement cage.
(3) Side forms 18 are set up. The side forms 18 are secured to the deck by side form bolts and side form nuts. The side chiseling frame 25 is welded and installed on the inner side of the side formwork 18, holes are reserved in the horizontal and vertical directions of the side chiseling frame 25, the horizontal chiseling steel bars 26 are installed in the horizontal direction, and the vertical chiseling steel bars 27 are installed in the vertical direction. The end forms 24 are then erected.
(4) It will be appreciated that several end forms 24 will be required, and then the end wood forms 24 will be joined together by the form divider plate 22, the tie nuts 23 and the tie bolts 21. Connecting the end template 24 and the side template 18, installing the connecting wood block 17 and the wood pad 19, and reserving the preliminary bridge deck roughening reserved hole 20, thereby completing the tool type formwork supporting side template of the cement concrete bridge deck.
(5) A concrete screed 35 is set up. The channel rails 41 are first laid, the channel rails 41 are positioned on the guardrail base 2, the sheave extensions 30 are then connected to the screed sheaves 31, the brackets 28 are welded to the sheave extensions 30, and the screed truss supports 29 are set up on the brackets 28. Next, a sheave fixing upper portion 32 is fixed to the leveler sheave 31, and a screw connecting rod 33, a rotating rod 34 and a concrete leveler 35 are sequentially connected.
(6) An operation platform 37 is set up. The channel steel track 41 is laid, the channel steel track 41 is located on the guardrail base 2, the pulley extension rod 30 is connected to the pulley, the support 28 is welded to the pulley extension rod 30, and the operation platform truss support 36 is erected on the support 28. An operation platform 37 is welded on the pulley fixing upper part 32, and a support rod 38 is welded between the operation platform 37 and the operation platform truss. The operator platform 37 and the concrete screed 35 are connected, the connecting rods 39 are connected by welding between the screed truss support 29 and the operator platform truss support 36, the bottom connecting rods 42 are connected by welding between the two pulley fixed upper portions, and the stand connecting rods 40 are connected by welding between the stands 28. Thus, the sliding type operation platform of the cement concrete bridge deck track is completed.
(7) The perfusion apparatus pulley 45 system then needs to be set up. Firstly, a pulley support 47 is installed on the bridge deck guardrail 1, a hole is reserved on the pulley support 47, a pulley fixing rod 46 is fixed on the pulley support 47 through the reserved hole, and a perfusion device pulley 45 is installed on the pulley fixing rod 46. Install the steel bay and install guardrail base gyro wheel 51 on the steel bay on guardrail base 1, install on guardrail base gyro wheel 51 and pour platform 53, pour platform 53 lower part and fix chisel hair machine 52 through chisel hair connecting bolt and chisel hair connecting nut. A fixing plate 54 is fixed on the upper part of the pouring platform 53, a transverse steel groove is arranged on the upper part of the fixing plate 54, and a steel bar water tank roller 55 is arranged on the steel groove.
(8) The reinforced water tank fixing plate 58 is installed on the reinforced water tank roller 55, the reinforced water tank 49 is arranged on the reinforced water tank roller, and the reinforced water tank 49 is firmly connected with the reinforced water tank fixing plate 58 through the reinforced water tank fixing frame 56. The reinforced water tank 49 is provided with a reinforced water tank inlet 57, and the sprinkler 50 can adjust the direction of the sprinkler 50 through the pulley traction rope 44. Thus, the slip type pouring device for the cement concrete bridge deck track is arranged.
According to an aspect of the present invention, there is provided a cement concrete bridge deck constructed according to the method of construction thereon.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (8)
1. A construction method for paving a cement concrete bridge deck is characterized by comprising the following construction steps:
step 1: a clamping groove (8) is arranged: the pedestal (7) is arranged between the opposite guardrail bases (2), the base angle steel (3) is arranged at the bottom of the pedestal (7), a clamping groove (8) is reserved at the position indicated by the base angle steel (5), the position of the top angle steel (3) is reserved at the upper part, and the clamping groove (8) at the top is reserved after the top angle steel (3) is arranged;
step 2: installing an adjustable support device (9): firstly, a supporting bottom plate (11) is fixed on a guardrail base (2), an adjusting rod (14) is fixed on the supporting bottom plate (11), and a bottom plate supporting rod (5) and a fixed adjusting spring (13) are arranged on the adjusting rod (14);
and step 3: assembling a cement concrete bridge deck reinforcement cage in-situ binding jig: after the adjustable supporting device (9) is installed, the supporting rods (5) are fixed between the guardrail base (2) and the adjustable supporting device (2), the connecting rods (4) are installed between the two supporting rods (5), and the pedestal connecting rods (4) are connected with the pedestal (7) and the adjustable supporting device (9);
and 4, step 4: erecting side templates (18): fixing the side formwork (18) on the bridge deck;
and 5: set up end formwork (24): a plurality of end templates (24) are connected by template separation plates (22), the end templates (24) are connected with side templates (18), connecting wood blocks (17) and wood pads (19) are installed, and bridge deck preliminary chiseling reserved holes (20) are reserved in the end templates (24);
step 6: set up concrete evener (35): firstly, a channel steel track (41) is laid on a guardrail base (2), a pulley extension rod (30) is connected to a leveling machine pulley (31), a support (28) is welded on the pulley extension rod (30), a leveling machine truss support (20) is erected on the support (28), then a pulley fixing upper part (32) is fixed on the leveling machine pulley (31), and a concrete leveling machine (35) is connected between the two leveling machine pulleys (31);
and 7: setting up an operation platform: a channel steel track (41) is laid on a guardrail base (2), a pulley extension rod (30) is connected to a leveling machine pulley (31), a support (28) is welded on the pulley extension rod (30), and an operation platform truss support (36) is erected on the support (28); an operation platform (37) is welded on the pulley fixing upper part (32);
and 8: setting up a sliding operation platform: welding a support rod (38) between the operation platform (37) and the operation platform truss, connecting rods (39) are connected between the leveling machine truss support (29) and the operation platform truss support (36) in a welding mode, and a bottom connecting rod (42) is connected between the two pulley fixing upper parts (32) in a welding mode;
and step 9: setting up a perfusion device: firstly, installing perfusion device pulleys (45) on a bridge deck guardrail (1), installing a steel groove on a guardrail base (2) and installing guardrail base rollers (51) on the steel groove, installing a perfusion platform (53) on the guardrail base rollers (51), fixing a roughening machine (52) on the lower part of the perfusion platform (53), fixing a fixing plate (54) on the upper part of the perfusion platform (53), arranging a transverse steel groove on the upper part of the fixing plate (54), and arranging a reinforced water tank roller (55) on the transverse steel groove; a reinforcing steel bar water tank fixing plate (58) is installed on the reinforcing steel bar water tank roller (55), a reinforcing steel bar water tank (49) is arranged on the reinforcing steel bar water tank roller, and the reinforcing steel bar water tank (49) is firmly connected with the reinforcing steel bar water tank fixing plate (58) through a reinforcing steel bar water tank fixing frame (56).
2. A method of constructing a cement concrete deck pavement according to claim 1, wherein in step 2, holes are prepared in the support base (11) and are fixed to the substructure by means of base bolts (15) and base nuts (16); holes are reserved on the adjusting rod (14) and used for installing the bottom plate supporting rod (5) and fixing the adjusting spring (13).
3. A cement concrete bridge deck pavement construction method according to claim 1, wherein in step 3, the pedestal connecting rod (4) is connected with the pedestal (7) in a welding manner at one end and with the adjustable supporting device (9) at the other end, and the pedestal connecting rod (4) is parallel to the pedestal (7).
4. A construction method for paving a cement concrete bridge deck according to claim 1, characterized in that in step 4, the side formworks (18) are fixed on the bridge deck by side formwork bolts and side formwork nuts, the side roughening frames (15) are welded and installed on the inner sides of the side formworks (18), holes are reserved on the side roughening frames (25) horizontally and vertically, the horizontal roughening steel bars (26) are installed horizontally, and the vertical roughening steel bars (27) are installed vertically.
5. A cement concrete deck pavement construction method according to claim 1, wherein in step 5, a formwork separation plate (22) is provided for splicing the end formwork (24), the formwork separation plate (22) is provided with a hole for the connecting bolt (23) to pass through, and the connecting nut (25) extends into the end formwork (24) through the connecting bolt (23) and is firmly connected with the end formwork (24).
6. The method for constructing a cement concrete bridge deck pavement according to claim 1, wherein the steel bar water tank (49) is provided with a steel bar water tank water inlet (19), water (48) is poured into the interior through the steel bar water tank water inlet (57), and the water sprinkling device (50) is fixed to the steel bar water tank (49) and sprinkles water through water pressure difference.
7. The construction method of cement concrete bridge deck pavement according to claim 1, characterized in that the pulley support (47) is located on the bridge deck guardrail (1), the pulley support (47) is provided with a hole, the pulley fixing rod (46) is installed on the hole of the pulley support (47), the pouring device pulley (45) is connected with the pulley support (47) through the pulley fixing rod (46), and the pulley traction rope (44) passes through the pouring device pulley (45).
8. A cement concrete bridge deck constructed according to the method of any one of claims 1 to 7.
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| CN110820559B (en) | 2021-05-25 |
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