CN215051681U - Assembled dado bridgehead foam concrete light embankment - Google Patents
Assembled dado bridgehead foam concrete light embankment Download PDFInfo
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- CN215051681U CN215051681U CN202121041829.8U CN202121041829U CN215051681U CN 215051681 U CN215051681 U CN 215051681U CN 202121041829 U CN202121041829 U CN 202121041829U CN 215051681 U CN215051681 U CN 215051681U
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- 239000011381 foam concrete Substances 0.000 title claims abstract description 40
- 239000004567 concrete Substances 0.000 claims abstract description 48
- 238000010276 construction Methods 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000010485 coping Effects 0.000 claims abstract description 22
- 239000006260 foam Substances 0.000 claims abstract description 10
- 238000009415 formwork Methods 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 210000000481 breast Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 2
- 230000009193 crawling Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000004513 sizing Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model relates to an assembled dado bridgehead foam concrete light embankment, including stake formula abutment, strip foundation bed course, assembled bar concrete basis, assembled dado, the pre-buried staple bolt of dado, foam concrete, concrete coping, steel pipe column, foam slab and road-fill subgrade, stake formula abutment one side sets up assembled bar concrete basis, assembled bar concrete basis lower part sets up strip foundation bed course, sets up pre-buried rivet on the strip foundation bed course and is used for fixed assembled bar concrete basis, and the reservation notch on assembled bar concrete basis upper portion sets up the assembled dado, puts into the steel pipe column in the pre-buried sleeve that this notch one side set up, set up the tie rod between the steel pipe column, the steel pipe column is fixed through spacing buckle with the tie rod. The utility model has the advantages that: the prefabricated assembly type strip-shaped concrete foundation adopts a tongue-and-groove lapping anchor ground technology, and grouting reinforcement is performed when the foundations at two ends are assembled, so that the foundation construction efficiency is greatly improved.
Description
Technical Field
The utility model relates to an assembled dado bridgehead foam concrete light embankment mainly is applicable to bridgehead section light embankment construction.
Background
With the rapid development of highway bridge construction in various places in China, the number of highway structures such as bridges, culverts and the like is continuously increased in the road and bridge construction process, and after the structures are put into operation, engineering problems such as differential settlement, embankment instability and the like easily occur on bridge abutment and abutment backfill sections, so that the economic benefit in the highway engineering construction is seriously influenced. The light foam concrete is a novel light filling material applied to the field of highway engineering in recent years, has the characteristics of light weight, high strength, strong fluidity, good self-standing property, convenient construction and the like, and is increasingly widely applied to filling of highway embankments.
The light foam concrete is used as a novel green material for filling the abutment back, and provides a new technology for filling the abutment back.
In view of this, in order to improve the construction quality and efficiency of the bridgehead foam concrete light embankment, fully utilize the advantages of foam concrete and match with the latest assembly type technology, the invention of a simple and effective assembly type retaining wall bridgehead foam concrete light embankment is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide an assembled dado bridgehead foam concrete light embankment.
The light embankment with the assembled type retaining wall and the foam concrete at the bridge head comprises a pile type bridge abutment, a strip foundation cushion layer, an assembled type strip concrete foundation, an assembled type retaining wall, a retaining wall pre-embedded hoop, foam concrete, a concrete coping, a steel pipe upright post, a foam plastic plate and a road filling foundation, wherein the assembled type strip concrete foundation is arranged on one side of the pile type bridge abutment, the strip foundation cushion layer is arranged on the lower portion of the assembled type strip concrete foundation, pre-embedded rivets are arranged on the strip foundation cushion layer and used for fixing the assembled type strip concrete foundation, the assembled type retaining wall is arranged in a reserved notch in the upper portion of the assembled type strip concrete foundation, the steel pipe upright post is arranged in a pre-embedded sleeve arranged on one side of the notch, a tie rod is arranged between the steel pipe upright posts, the steel pipe upright post and the tie rod are fixed through a limiting buckle, the concrete coping is arranged on the upper portion of the assembled type retaining wall, a retaining wall notch reserved on one side of the assembled type retaining wall is arranged corresponding to the steel pipe upright post, the upper part of the assembled retaining wall is provided with retaining wall embedded anchor ear steel bars for fixing with the pile type abutment, a single-side formwork supporting system is arranged in the deformation joint, and foam concrete is poured between the assembled retaining wall and the soil filling subgrade.
Preferably, the method comprises the following steps: the assembled bar-shaped concrete foundation is characterized in that two ends of the assembled bar-shaped concrete foundation are provided with grooves and tongues, embedded steel bars or preformed holes are arranged at the grooves and tongues, grouting holes are formed in the preformed holes, and the bottom of the assembled bar-shaped concrete foundation is provided with bar-base preformed rivet holes and is connected with the embedded rivets of the bar-base cushion layer in a matched mode.
Preferably, the method comprises the following steps: in the dado reserved groove mouth on the assembled dado of steel pipe stand embedded, the tie rod outside sets up interim bridging, interim bridging one side sets up interim bracing, and interim bracing bottom sets up the anchor slab, and the anchor slab passes through the staple to be fixed with former ground.
Preferably, the method comprises the following steps: the unilateral formwork system includes foamed plastic board, unilateral template and rotation type bracing, and movement joint department sets up foamed plastic board, and the foamed plastic board outside sets up unilateral template, sets up the bracing backing plate on the unilateral template, sets up the rotation type bracing between the bracing backing plate on former ground and the unilateral template, and unilateral template bottom sets up interim fixing bolt.
Preferably, the method comprises the following steps: still pour integral promotion removal frame in step including foam concrete multitube, foam concrete multitube pours integral promotion removal frame in step is by the lockable gyro wheel, the bracing piece, telescopic device, can dismantle the cat ladder, the stand, to propping, the construction platform, breast board and openable railing are constituteed, the stand bottom sets up the lockable gyro wheel, the stand middle part sets up telescopic device, set up between the stand to propping, set up the bracing piece between the telescopic device, stand upper portion sets up the construction platform, construction platform upper portion sets up the breast board, set up fixed rail between the stand of construction platform top, construction platform top opening part sets up openable railing, openable railing below corresponds and sets up can dismantle the cat ladder.
Preferably, the method comprises the following steps: and two sides of the concrete coping are provided with coping and sizing dies, the sizing dies are provided with split bolts, the inner side template of the coping and sizing die is arranged on the foam concrete, and the outer side template of the coping and sizing die is fixed with the inner side template through the split bolts.
The utility model has the advantages that:
1. the prefabricated assembly type strip-shaped concrete foundation adopts a tongue-and-groove lapping anchor ground technology, and grouting reinforcement is performed when the foundations at two ends are assembled, so that the foundation construction efficiency is greatly improved.
2. The follow-up installation steel pipe stand of the pre-buried sleeve of bar basis is gone and is formed vertical frame system to inlay installation assembled dado fast through this system, steel pipe stand and dado reserve the accurate location of notch, improved efficiency of construction and construction quality.
3. The anchor ear reinforcing steel bars are pre-embedded on the assembled retaining wall, and the reinforcing steel bars are bent towards two sides of the pile column after the retaining wall is installed, so that an anchor ear system is formed, and the overall stability of the structure during subsequent concrete pouring can be improved.
4. And (3) performing segmented construction on the foam concrete, and installing a foam plastic plate at the deformation joint and the template simultaneously to accelerate the construction progress.
5. Foam concrete is poured simultaneously by multiple people and multiple pipes of the integral lifting moving frame in a synchronous pouring mode, and construction progress is accelerated.
6. The concrete coping at the top of the assembled dado adopts a rapid pouring and shaping mold for construction, so that the construction quality and the construction efficiency are ensured.
Drawings
FIG. 1 is a three-dimensional schematic view of the overall structure of the fabricated retaining wall bridgehead foam concrete light embankment of the present invention;
FIG. 2 is a sectional view of the fabricated retaining wall bridgehead foam concrete light embankment of the present invention;
FIG. 3 is a schematic view of an assembled bar concrete foundation structure;
FIG. 4 is a schematic view showing the connection of the fabricated concrete strip foundation with the underlayment;
FIG. 5 is a three-dimensional structure diagram of the installation of a steel pipe column;
FIG. 6 is an elevation view of the vertical frame system and the retaining wall anchor ear;
FIG. 7 is a schematic diagram of a deformation joint single-sided formwork architecture;
fig. 8 is a structural schematic view of a foam concrete multi-pipe synchronous pouring integral type lifting moving frame.
Description of reference numerals: 1. pile column type bridge abutment, 2, strip foundation cushion layer, 3, assembly type strip concrete foundation, 4, assembly type protecting wall, 5, protecting wall pre-embedded anchor ear, 6, foam concrete, 7, concrete coping, 8, road bed, 9, coping forming mould, 10, split bolt, 11, temporary bridging, 12, tie bar, 13, temporary diagonal brace, 14, protecting wall reserved notch, 15, steel pipe column, 16, pre-embedded rivet, 17, road surface, 18, rotary diagonal brace, 19, single-side template, 20, temporary fixing bolt, 21, foam plastic plate, 22, soil filling foundation, 23, diagonal brace pad, 24, pre-embedded sleeve, 25, tongue and groove, 26, lockable roller, 27, support bar, 28, telescopic device, 29, detachable ladder stand, 30, 31, split brace, 32, construction platform, 33, openable fence, 34 type railing, 35, fixed fence, 36, pre-embedded steel bar, 37. The method comprises the steps of reserving holes, 38, limiting buckles, 39, original ground, 40, grouting holes, 41, anchor plates, 42, fixing nails and 43, and reserving rivet holes for strip bases.
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.
As an example, the fabricated retaining wall bridgehead foam concrete light embankment shown in fig. 1-2 comprises a pile type bridge abutment 1, a strip foundation cushion layer 2, a fabricated strip concrete foundation 3, a fabricated retaining wall 4, a retaining wall pre-embedded hoop 5, foam concrete 6, a concrete coping 7, a coping setting mould 9, a steel pipe upright post 15, a rotary inclined strut 18, a single-side template 19, a foam plastic plate 21, a filling roadbed 22 and the like, wherein the fabricated strip concrete foundation 3 is arranged on one side of the pile type bridge abutment 1, the strip foundation cushion layer 2 is arranged on the lower part of the fabricated strip concrete foundation 3, pre-embedded rivets 16 are arranged on the strip foundation cushion layer 2 for fixing the fabricated strip concrete foundation 3, the fabricated retaining wall 4 is arranged in a reserved notch on the upper part of the fabricated strip concrete foundation 3, a pre-embedded sleeve 24 arranged on one side of the notch is internally provided with the steel pipe upright post 15, the tie rod 12 is arranged between the steel tube upright posts 15, and the steel tube upright posts and the tie rod are fixed by a limiting buckle 38. The upper portion of the assembled type protecting wall 4 is provided with a concrete coping 7, one side of the assembled type protecting wall 4 is provided with a protecting wall reserved notch 14 corresponding to the steel tube stand column 15, the upper portion of the assembled type protecting wall 4 is provided with a protecting wall embedded hoop 5 steel bar for being fixed with the pile type abutment 1, both sides of the assembled type protecting wall are provided with coping and sizing dies 9 during the construction of the concrete coping 7, and the sizing dies 9 are provided with split bolts 10.
As shown in fig. 3-4, the assembled bar-shaped concrete foundation 3 has two ends provided with the tongue-and-groove 25 for assembly, the tongue-and-groove 25 is provided with the embedded steel bar 36 or the preformed hole 37, the preformed hole 37 is provided with the grouting hole 40, and the bottom of the assembled bar-shaped concrete foundation 3 is provided with the bar-base preformed rivet hole 43 for assembly with the bar-base cushion layer 2.
As shown in fig. 5, the embedded sleeves 24 on the fabricated strip-shaped concrete foundation 3 are used for installing the steel pipe columns 15, the tie bars 12 are arranged between the steel pipe columns 15, and the steel pipe columns 15 and the tie bars are fixed through the limiting buckles 38.
As shown in fig. 6, the steel pipe upright post 15 is embedded in the retaining wall reserved notch 14 on the fabricated retaining wall 4, the tie bar 12 is arranged on the steel pipe upright post 15, the temporary bridging 11 is arranged outside the tie bar 12, the temporary diagonal 13 is arranged on one side of the temporary bridging 11, the anchor plate 41 is arranged at the bottom of the temporary diagonal 13, and the anchor plate 41 is fixed with the original ground 39 by the fixing nail 42.
As shown in FIG. 7, a unilateral formwork supporting system is arranged in the deformation joint, the unilateral formwork supporting system comprises a foam plastic plate 21, a unilateral formwork 19 and a rotary diagonal brace 18, the foam plastic plate 21 is arranged at the deformation joint, the unilateral formwork 19 is arranged on the outer side of the foam plastic plate 21, a diagonal brace base plate 23 is arranged on the unilateral formwork 19, the rotary diagonal brace 18 is arranged between the original ground 39 and the diagonal brace base plate 23 of the unilateral formwork 19, and a temporary fixing bolt 20 is arranged at the bottom of the unilateral formwork 19.
As shown in fig. 8, a foam concrete multi-tube synchronous casting integral type lifting moving frame is adopted during foam concrete casting, the foam concrete multi-tube synchronous casting integral type lifting moving frame is composed of lockable rollers 26, support rods 27, telescopic devices 28, detachable ladder stands 29, upright columns 30, counter stays 31, construction platforms 32, fence plates 33, openable type railings 34 and the like, the lockable rollers 26 are arranged at the bottoms of the upright columns 30, the telescopic devices 28 are arranged at the middle parts of the upright columns 30, the counter stays 31 are arranged between the upright columns 30, the support rods 27 are arranged between the telescopic devices 28, the construction platforms 32 are arranged at the upper parts of the upright columns 30, the fence plates 33 are arranged at the upper parts of the construction platforms 32, fixed railings 35 are arranged between the upright columns 30 above the construction platforms 32, the openable type railings 34 are arranged at openings above the construction platforms 32, the detachable ladder stands 29 are correspondingly arranged below the openable type railings 34, and can be detached after workers are in place, the construction platform 32 can be conveniently moved, the telescopic device can enable the construction platform 32 to move up and down, the lockable rollers 26 can enable the construction platform 32 to move left and right, and a plurality of workers can synchronously pour and construct the periphery.
The protective wall and a foundation thereof are prefabricated in a factory, transported to a construction site for rapid embedding, splicing and construction, and provided with a plurality of temporary supports, so that the construction safety is improved; a formwork is erected on one side of a construction section and is arranged in a foam plastic plate in parallel, and a multi-pipe synchronous pouring integral type lifting moving frame is adopted during foam concrete pouring, so that the foam concrete pouring construction efficiency is improved.
Claims (6)
1. The utility model provides an assembled dado bridgehead foam concrete light embankment which characterized in that: comprises a pile type bridge abutment (1), a strip foundation cushion layer (2), an assembled strip concrete foundation (3), an assembled retaining wall (4), a retaining wall embedded hoop (5), foam concrete (6), a concrete coping (7), a steel pipe upright (15), a foam plastic plate (21) and a road filling foundation (22), wherein the assembled strip concrete foundation (3) is arranged on one side of the pile type bridge abutment (1), the strip foundation cushion layer (2) is arranged on the lower part of the assembled strip concrete foundation (3), embedded rivets (16) are arranged on the strip foundation cushion layer (2) and used for fixing the assembled strip concrete foundation (3), the assembled retaining wall (4) is arranged on a reserved notch on the upper part of the assembled strip concrete foundation (3), a steel pipe upright (15) is embedded in an embedded sleeve (24) arranged on one side of the notch, and tie rods (12) are arranged among the steel pipe uprights (15), the steel tube upright post (15) and the tie bar (12) are fixed through a limiting buckle (38), the upper portion of the assembled retaining wall (4) is provided with a concrete coping (7), one side of the assembled retaining wall (4) is provided with a retaining wall reserved notch (14) corresponding to the steel tube upright post (15), the upper portion of the assembled retaining wall (4) is provided with a retaining wall pre-embedded hoop (5) steel bar for being fixed with the pile column type abutment (1), a single-side formwork supporting system is arranged in a deformation joint, and foam concrete (6) is poured between the assembled retaining wall (4) and the road filling subgrade (22).
2. The fabricated dado bridgehead foam concrete light embankment of claim 1, wherein: the prefabricated bar-shaped concrete foundation is characterized in that two ends of the prefabricated bar-shaped concrete foundation (3) are provided with the rabbet (25), the position of the rabbet (25) is provided with the embedded steel bar (36) or the preformed hole (37), the preformed hole (37) is provided with the grouting hole (40), and the bottom of the prefabricated bar-shaped concrete foundation (3) is provided with the bar-based preformed rivet hole (43) and is matched and connected with the embedded rivet (16) of the bar-based cushion layer (2).
3. The fabricated dado bridgehead foam concrete light embankment of claim 1, wherein: the steel pipe upright post (15) is embedded in a retaining wall reserved notch (14) on the assembled retaining wall (4), a temporary bridging (11) is arranged on the outer side of the tie rod (12), a temporary inclined strut (13) is arranged on one side of the temporary bridging (11), an anchor plate (41) is arranged at the bottom of the temporary inclined strut (13), and the anchor plate (41) is fixed with the original ground (39) through a fixing nail (42).
4. The fabricated dado bridgehead foam concrete light embankment of claim 1, wherein: the unilateral formwork system includes foamed plastic board (21), unilateral template (19) and rotation type bracing (18), and movement joint department sets up foamed plastic board (21), and foamed plastic board (21) outside sets up unilateral template (19), sets up bracing backing plate (23) on unilateral template (19), sets up rotation type bracing (18) between bracing backing plate (23) on former ground (39) and unilateral template (19), and unilateral template (19) bottom sets up interim fixing bolt (20).
5. The fabricated dado bridgehead foam concrete light embankment of claim 1, wherein: the multi-tube foam concrete synchronous pouring integral type lifting moving frame is composed of lockable rolling wheels (26), supporting rods (27), telescopic devices (28), detachable crawling ladders (29), stand columns (30), diagonal braces (31), construction platforms (32), breast boards (33) and openable type railings (34), the lockable rolling wheels (26) are arranged at the bottom of the stand columns (30), the telescopic devices (28) are arranged in the middle of the stand columns (30), the diagonal braces (31) are arranged between the stand columns (30), the supporting rods (27) are arranged between the telescopic devices (28), the construction platforms (32) are arranged at the upper parts of the stand columns (30), the breast boards (33) are arranged at the upper parts of the construction platforms (32), fixed fences (35) are arranged between the stand columns (30) above the construction platforms (32), and the openable type railings (34) are arranged at openings above the construction platforms (32), a detachable ladder (29) is correspondingly arranged below the openable railings (34).
6. The fabricated dado bridgehead foam concrete light embankment of claim 1, wherein: the concrete coping device is characterized in that coping and forming molds (9) are arranged on two sides of the concrete coping (7), split bolts (10) are arranged on the forming molds (9), an inner side template of the coping and forming mold (9) is arranged on the foam concrete (6), and an outer side template of the coping and forming mold is fixed with the inner side template through the split bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041829.8U CN215051681U (en) | 2021-05-14 | 2021-05-14 | Assembled dado bridgehead foam concrete light embankment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041829.8U CN215051681U (en) | 2021-05-14 | 2021-05-14 | Assembled dado bridgehead foam concrete light embankment |
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| Publication Number | Publication Date |
|---|---|
| CN215051681U true CN215051681U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121041829.8U Active CN215051681U (en) | 2021-05-14 | 2021-05-14 | Assembled dado bridgehead foam concrete light embankment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439018A (en) * | 2022-02-23 | 2022-05-06 | 中交二公局萌兴工程有限公司 | Bridge and culvert abutment hanging plate support type foam light soil backfill construction method |
-
2021
- 2021-05-14 CN CN202121041829.8U patent/CN215051681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439018A (en) * | 2022-02-23 | 2022-05-06 | 中交二公局萌兴工程有限公司 | Bridge and culvert abutment hanging plate support type foam light soil backfill construction method |
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