CN211735092U - Concrete bridge deck guide rail formwork system - Google Patents
Concrete bridge deck guide rail formwork system Download PDFInfo
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- CN211735092U CN211735092U CN201922497068.6U CN201922497068U CN211735092U CN 211735092 U CN211735092 U CN 211735092U CN 201922497068 U CN201922497068 U CN 201922497068U CN 211735092 U CN211735092 U CN 211735092U
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Abstract
The utility model relates to a concrete bridge deck guide rail formwork system, which comprises a beam body, a bar brace, a pre-embedded bolt sleeve and an adjustable unilateral small-sized slip form structure; the top surface of the beam body is provided with a concrete bar brace, and the upper part of the bar brace is provided with a channel steel rail; embedded bolt sleeves are arranged on the left side and the right side of the bar brace and the channel steel rail at equal intervals, and fixed steel bars are arranged inside the embedded bolt sleeves; the bottom of the fixed steel bar is connected with the embedded bolt sleeve, and the top of the fixed steel bar is welded with the side face of the channel steel; the adjustable single-side small-sized slip form structure mainly comprises an advancing system, a hopper and an adjustable slip form. The utility model has the advantages that: the utility model discloses concrete bridge face guide rail formwork system includes that the concrete strip props and the upper portion channel-section steel, and the strip props the pre-buried bolt sleeve of the left and right sides to back installation reinforcing bar is fixed the channel-section steel and is propped upper portion at the strip, and the channel-section steel track can pinpoint, guarantees the orbital stability of channel-section steel in the concrete bridge face work progress.
Description
Technical Field
The utility model belongs to the technical field of the bridge deck pavement construction technique and specifically relates to a concrete bridge face guide rail formwork system is related to.
Background
In recent years, with the rapid development of the construction business of the expressway in China, the expressway rapidly extends to a mountain area with complex terrain and geological conditions, and the proportion of the total length of the bridge occupying the route is larger and larger. With the continuous improvement of traffic volume and climate severity, bridge deck pavement in which a bridge directly bears wheel load faces severe tests. The existing high-grade highway bridge deck pavement generally adopts cement concrete with reinforcing mesh as a lower surface layer of the bridge deck pavement and asphalt concrete as an upper surface layer of the bridge deck pavement. However, the traditional reinforcing mesh paved on the bridge deck is easy to sink, the quality is difficult to control, and the defects such as cracks, local pits and the like appear in a short period under the action of various adverse factors such as construction and environment, and particularly, a large number of cracks appear in the early stage after concrete pouring due to the fact that the concrete mixing ratio design, concrete mixing, pouring and maintenance technologies are lagged behind, and the defects seriously affect the driving comfort, the structural safety and the traffic capacity and cause potential safety hazards.
The construction of adopting compound powerful bridge deck pavement can solve above-mentioned problem, leveling layer concrete adopts vibration beam single width branch twice to pour, once pour half width, leave a vertical construction joint in bridge floor central line department, two rows of reinforcing bar fixed channel steel positions are buried underground to anticollision fence department and central line department design position, with embedded steel and channel steel welding, adopt cast-in-place concrete bar brace adjustment channel steel track elevation, the concrete bar brace adopts brick structure or the cast-in-place mode of concrete usually, these two kinds of construction methods all have the field work volume big, the low scheduling problem of efficiency of construction, when the height of bar brace is less, the shortcoming of these two kinds of construction methods is especially obvious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a concrete bridge face guide rail formwork system.
The concrete bridge deck guide rail formwork system comprises a beam body, a bar brace, a pre-embedded bolt sleeve and an adjustable single-side small-sized slip form structure; the top surface of the beam body is provided with a concrete bar brace, and the upper part of the bar brace is provided with a channel steel rail; embedded bolt sleeves are arranged on the left side and the right side of the bar brace and the channel steel rail at equal intervals, and fixed steel bars are arranged inside the embedded bolt sleeves; the bottom of the fixed steel bar is connected with the embedded bolt sleeve, and the top of the fixed steel bar is welded with the side face of the channel steel; the adjustable single-side small-sized slip form structure mainly comprises an advancing system, a hopper and an adjustable slip form.
Preferably, the method comprises the following steps: the width of the bar brace is the same as that of the channel steel.
Preferably, the method comprises the following steps: the embedded bolt sleeves are parallel to the bar braces and the channel steel rails, and the distance between every two adjacent embedded bolt sleeves is 0.5-1 m.
Preferably, the method comprises the following steps: the advancing system is composed of vertical supports, horizontal supports and transverse connection supports, the three vertical supports and the three horizontal supports form a rectangular frame, the two rectangular frames are connected through the transverse connection supports and the connecting screw rods to form a cuboid frame, and rollers are arranged on the outer sides of the horizontal supports at the bottoms of the rectangular frames through rolling shafts.
Preferably, the method comprises the following steps: the hopper is arranged at the tops of two adjacent vertical supports, the tops of the two vertical supports are provided with concave bayonets, the lengths of the concave bayonets at the two sides are longer than the maximum diameter of the hopper by-mm, and the bottom of the hopper is provided with a valve which is positioned in front of the advancing direction of the scraping plate.
Preferably, the method comprises the following steps: the adjustable sliding template comprises sliding templates on two sides of a bar support and a scraping plate inserted in a scraping plate groove of the sliding template, wherein vibration exciters are arranged on the outer sides of the sliding templates respectively, a plumb rod and a plumb are arranged at the end part of the sliding template, a row of screw rod holes are formed in the top of the sliding template and at the position corresponding to the horizontal support, two rows of welding blocks are arranged in the middle and at the bottom of the sliding template and at the position corresponding to the horizontal support, an adjusting screw rod perpendicular to the welding blocks is welded on the outer side of each welding block, an inclined screw hole is formed in the scraping plate groove at the top of the sliding template, and the inclined screw holes are obliquely crossed with the scraping plate groove.
Preferably, the method comprises the following steps: adjusting screw on the solder block passes through screw holes on the vertical supports on the left and right sides, and the vertical supports are provided with waterproof gaskets and fixing nuts on the outer sides.
Preferably, the method comprises the following steps: a rotary ring plate is arranged on an adjusting screw rod of the central welding block, a rotary slide rod is arranged on one side of the rotary ring plate, and a fixing nut is arranged on the outer side of the rotary ring plate.
Preferably, the method comprises the following steps: the scraping plate moves up and down in the scraping plate groove, the rotating slide rod fixes the lower side of the scraping plate, the adjusting screw fixes the upper side of the scraping plate, and sealing strips are arranged in gaps of the scraping plate groove.
The utility model has the advantages that:
(1) the utility model discloses concrete bridge face guide rail formwork system includes that the concrete strip props and the upper portion channel-section steel, and the strip props the pre-buried bolt sleeve of the left and right sides to back installation reinforcing bar is fixed the channel-section steel and is propped upper portion at the strip, and the channel-section steel track can pinpoint, guarantees the orbital stability of channel-section steel in the concrete bridge face work progress.
(2) The utility model discloses a concrete bar props and channel-section steel can regard as concrete bridge floor flattening layer construction side form to play the elevation control effect.
(3) The utility model discloses a small-size slipform structure of unilateral carries out the strip and props the construction with adjustable, and the slipform structure can prop the size according to the strip and carry out width and altitude mixture control, satisfies not unidimensional concrete strip and props construction requirement, construction strong adaptability.
(4) The utility model discloses a small-size slipform structure of unilateral carries out the strip and props the construction with adjustable, and the sliding formwork has the board that vibrates from the area concurrently, has the function such as pouring, vibrate, shaping, and the efficiency of construction is high, can effectively shorten the strip and prop construction cycle.
(5) The utility model discloses a small-size slipform structure of unilateral carries out the strip and props the construction, and the high accuracy requirement that the strip propped can be guaranteed to the sliding formwork to ensure channel-section steel guide rail's installation accuracy, ensure bridge floor construction quality.
Drawings
FIG. 1 is a schematic structural diagram of a concrete bridge deck guide rail formwork system;
FIG. 2 is a cross-sectional view (section A-A in FIG. 1) of a concrete bridge deck guide formwork support system;
FIG. 3 is a schematic structural view of a concrete bracing adjustable single-sided small slip form;
FIG. 4 is a schematic view of a bar-bracing adjustable one-sided compact slip form structure (adjustable slip form construction bar bracing minimum height);
FIG. 5 is a schematic view of a bar-bracing adjustable one-sided compact slip form structure (construction bar bracing maximum height of adjustable slip form structure);
FIG. 6 is a cross-sectional view (section B-B in FIG. 4) of a bar-stay adjustable one-sided compact slip-form structure;
FIG. 7 is a detailed view of an adjustable single-side small-sized sliding mode structure roller structure (node A in FIG. 6);
FIG. 8 is a schematic view of a sliding template configuration;
FIG. 9 is a side view of the sliding stencil;
FIG. 10 is a schematic view of a rotary slide-rotary ring plate structure.
Description of reference numerals: 1-a hopper; 2-vertical support; 3-bayonet; 4-a valve; 5-horizontal supporting; 6-transverse connecting support; 7-connecting a screw rod; 8-adjusting a screw rod; 9-a roller; 10-a roller; 11-a sliding template; 12-a vibration exciter; 13-strickling the plate groove; 14-screw hole; 15-adjusting screws; 16-screw holes; 17-a plumb rod; 18-plumb bob; 19-a fixing nut; 20-waterproof gasket; 21-scraping plate; 22-a sealing strip; 23-push-pull handles; 24-concrete; 25-bracing; 26-rotating the slide bar; 27-rotating ring plate; 28-solder bumps; 29-channel steel; 30-embedding a bolt sleeve; 31-fixing the steel bars; 32-a beam body; 33-a smoothening layer.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
With reference to fig. 1 and fig. 2, the concrete bridge deck guide rail formwork system includes a beam body 32 brace 25 and a channel steel 29 rail; the left side and the right side of the track of the bar brace 25 and the channel steel 29 are provided with embedded bolt sleeves 30 at equal intervals, and fixed steel bars 31 are arranged inside the embedded bolt sleeves 30; the fixed steel bar 31 bottom is connected with embedded bolt sleeve 30, and the top welds with channel-section steel 29 side, the strip props 25 the same with channel-section steel 29 width, and the embedded bolt sleeve 30 of both sides props 25 and channel-section steel 29 track parallel with the strip, and vertical adjacent embedded bolt sleeve 30 interval is 0.5 ~ 1 m. .
Referring to fig. 3, the bar brace 25 is constructed by using an adjustable single-sided small-sized slip form structure, which includes an advancing system, a hopper 1, and an adjustable sliding form.
With reference to fig. 3 and 6, the advancing system is composed of vertical supports 2, horizontal supports 5 and transverse connection supports 6, the three vertical supports 2 and the three horizontal supports 5 form a rectangular frame, the two rectangular frames are connected through the transverse connection supports 6 and connecting screws 7 to form a rectangular frame, and with reference to fig. 7, rollers 9 are arranged on the outer sides of the horizontal supports 5 at the bottom of the rectangular frame through rolling shafts 10.
Referring to the attached drawings 3-6, the hopper 1 is arranged at the tops of two adjacent vertical supports 2, the tops of the two vertical supports 2 are provided with concave bayonets 3, the lengths of the concave bayonets 3 on the two sides are 5-10 mm longer than the maximum diameter of the hopper 1, the bottom of the hopper 1 is provided with a discharge port valve, and the valve 4 is positioned in front of the advancing direction of the scraper plate 21.
Referring to fig. 3, 8 and 9, the adjustable sliding template comprises sliding templates 11 on two sides of a bar brace 25 and a scraping plate 21 inserted into a scraping plate groove 13 of the sliding template 11, and vibration exciters 12 are respectively arranged on the outer sides of the sliding templates 11 on the two sides.
Referring to fig. 6 and 7, the adjusting screw 8 on the welding block 28 passes through the screw hole 14 on the left and right vertical supports 2, and a gasket 20 and a fixing nut 19 are arranged outside the vertical supports 2.
Referring to fig. 3-5, the strike-off plate 21 can move up and down in the strike-off plate groove 13, during casting, the rotary slide bar 26 fixes the lower side of the strike-off plate 21, the adjusting screw 15 fixes the upper side of the strike-off plate 21, and the strike-off plate groove 13 is provided with sealing strips 22 in gaps.
Referring to fig. 3-5 and fig. 10, a rotary ring plate 27 is mounted on the adjusting screw 8 of the central solder bump 28, a rotary slide rod 26 is disposed on one side of the rotary ring plate 27, and a fixing nut 19 is mounted on the outer side of the rotary ring plate 27.
Referring to fig. 3 and 8, a plumb rod 17 and a plumb 18 are provided at an end of the slide mold 11.
Referring to fig. 3-5 and 8, a row of screw holes 14 are formed in the top of the sliding template 11 at a height corresponding to the horizontal support 5, two rows of welding blocks 28 are arranged in the middle and at the bottom of the sliding template 11 at a height corresponding to the horizontal support 5, an adjusting screw 8 perpendicular to the welding blocks 28 is welded on the outer side of each welding block 28, inclined screw holes 16 are formed in the strickle grooves 13 in the top of the sliding template 11 at two sides, and the inclined screw holes 16 are obliquely crossed with the strickle grooves 13.
The construction method of the concrete bridge deck guide rail formwork system comprises the following steps:
step 1: constructing an embedded bolt sleeve 30 in the beam body 32, and binding the embedded bolt sleeve 30 with a beam body steel bar;
step 2: measuring and paying off, marking a line on the bridge floor to mark the position of the bar brace 25;
and step 3: the distance between the two sliding templates 11 is adjusted by moving the fixing nut 19 on the adjusting screw rod 8 left and right to be equal to the width of the bar brace 25; adjusting the scraping plate 21 to the designated height of the scraping plate groove 13, fixing the scraping plate 21 by adopting an adjusting screw 15 and a rotary sliding rod 26, and fixing a rotary ring plate 27 on the adjusting screw 15 by using a fixing nut 19; aligning the plumb 18 on the plumb rod 17 with the bar brace 25 markings;
and 4, step 4: and (3) injecting concrete 24 into the hopper 1, opening the valve 4, opening the vibration exciter 12, pushing the advancing system forwards, and pouring a concrete bar 25.
And 5: and (3) installing a channel steel 29 rail, placing the channel steel 29 rail above the bar brace 25, arranging fixing steel bars 31 at two sides of the channel steel 29 rail to be connected with embedded bolt sleeves 30 of a beam body 32, and welding the fixing steel bars 31 and the channel steel 29 rail.
Step 6: and a vibration beam is arranged on the channel steel track 29, and the steel fiber concrete is poured in a single-width mode twice to form the high-crack-resistance concrete leveling layer.
And 7: and (4) removing the channel steel 29, and pouring the splicing seams of the left concrete leveling layer and the right concrete leveling layer.
Claims (9)
1. The utility model provides a concrete bridge face guide rail formwork system which characterized in that: comprises a beam body (32), a bar brace (25), an embedded bolt sleeve (30) and an adjustable single-side small sliding mode structure; a concrete bar brace (25) is arranged on the top surface of the beam body (32), and a channel steel (29) rail is arranged on the upper part of the bar brace (25); embedded bolt sleeves (30) are arranged on the left side and the right side of the track of the bar brace (25) and the channel steel (29) at equal intervals, and fixed steel bars (31) are arranged inside the embedded bolt sleeves (30); the bottom of the fixed steel bar (31) is connected with the embedded bolt sleeve (30), and the top of the fixed steel bar (31) is welded with the side face of the channel steel (29); the adjustable single-side small-sized slip form structure mainly comprises an advancing system, a hopper (1) and an adjustable slip form.
2. The concrete deck rail formwork system of claim 1, wherein: the width of the bar brace (25) is the same as that of the channel steel (29).
3. The concrete deck rail formwork system of claim 1, wherein: the embedded bolt sleeves (30) are parallel to the bar braces (25) and the channel steel (29) rails, and the distance between every two adjacent embedded bolt sleeves (30) is 0.5-1 m.
4. The concrete deck rail formwork system of claim 1, wherein: the advancing system is composed of vertical supports (2), horizontal supports (5) and transverse connection supports (6), the three vertical supports (2) and the three horizontal supports (5) form a rectangular frame, the two rectangular frames are connected through the transverse connection supports (6) and connecting screw rods (7) to form a rectangular frame, and rollers (9) are arranged on the outer sides of the horizontal supports (5) at the bottom of the rectangular frame through rollers (10).
5. The concrete deck rail formwork system of claim 1, wherein: hopper (1) sets up at two adjacent vertical braces (2) tops, and two vertical braces (2) tops are equipped with recessed bayonet socket (3), and bayonet socket (3) length ratio hopper (1) maximum diameter length 5 ~ 10mm of the recessed type in both sides, and hopper (1) bottom is equipped with valve (4), and valve (4) are located the place ahead of scraping dull and stereotyped (21) direction of advance.
6. The concrete deck rail formwork system of claim 1, wherein: the adjustable sliding template comprises sliding templates (11) at two sides of a bar brace (25) and a scraping plate (21) inserted in a scraping plate groove (13) of the sliding template (11), the vibration exciter is characterized in that a vibration exciter (12) is arranged on the outer side of the sliding template (11), a plumb rod (17) and a plumb (18) are arranged at the end part of the sliding template (11), a row of screw rod holes (14) are formed in the corresponding height position of the top of the sliding template (11) and the horizontal support (5), two rows of welding blocks (28) are arranged in the corresponding height position of the middle part and the bottom of the sliding template (11) and the horizontal support (5), an adjusting screw rod (8) perpendicular to the welding blocks (28) is welded on the outer side of each welding block (28), an inclined screw hole (16) is formed in the position of the flat scraping groove (13) in the top of the sliding template (11), and the inclined screw hole (16) and the flat scraping groove (.
7. The concrete deck rail formwork system of claim 6, wherein: adjusting screw (8) on the welding block (28) pass screw holes (14) on vertical supports (2) at the left side and the right side, and waterproof gaskets (20) and fixing nuts (19) are arranged on the outer sides of the vertical supports (2).
8. The concrete deck rail formwork system of claim 6, wherein: a rotary ring plate (27) is arranged on an adjusting screw rod (8) of a central welding block (28), a rotary slide rod (26) is arranged on one side of the rotary ring plate (27), and a fixing nut (19) is arranged on the outer side of the rotary ring plate (27).
9. The concrete deck rail formwork system of claim 6, wherein: the scraping plate (21) moves up and down in the scraping plate groove (13), the rotary sliding rod (26) fixes the lower side of the scraping plate (21), the adjusting screw (15) fixes the upper side of the scraping plate (21), and sealing strips (22) are arranged in gaps of the scraping plate groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497068.6U CN211735092U (en) | 2019-12-31 | 2019-12-31 | Concrete bridge deck guide rail formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497068.6U CN211735092U (en) | 2019-12-31 | 2019-12-31 | Concrete bridge deck guide rail formwork system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211735092U true CN211735092U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497068.6U Active CN211735092U (en) | 2019-12-31 | 2019-12-31 | Concrete bridge deck guide rail formwork system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211735092U (en) |
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2019
- 2019-12-31 CN CN201922497068.6U patent/CN211735092U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: SICHUAN JIAOTOU CONSTRUCTION ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |
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| CP03 | Change of name, title or address |