CN213978600U - Regularization suspended formwork assembly in steel box girder matrix - Google Patents
Regularization suspended formwork assembly in steel box girder matrix Download PDFInfo
- Publication number
- CN213978600U CN213978600U CN202022004079.9U CN202022004079U CN213978600U CN 213978600 U CN213978600 U CN 213978600U CN 202022004079 U CN202022004079 U CN 202022004079U CN 213978600 U CN213978600 U CN 213978600U
- Authority
- CN
- China
- Prior art keywords
- box girder
- steel box
- grid frame
- finalized
- template
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a regularization suspended formwork subassembly in steel case roof beam matrix, include: the grating frame comprises a first supporting rod and a second supporting rod which are arranged in a staggered mode; the multiple groups of fixed supporting seats are arranged above the side wall of the steel box girder and are connected with the grid frame through the adapter pieces; the reserved hole templates are fixedly connected to the steel box girder, and the adaptor penetrates through the reserved hole templates and then is connected with the grid frame; the bearing layer is arranged above the grid frame and used for shielding the opening at the upper part of the steel box girder; after concrete is poured on the bearing layer, the connecting piece is separated from the fixed supporting seat, external force is applied from the preformed hole template to press down the whole grid frame, and the grid frame is separated from the bottom of the cast-in-place concrete. The grid frame dismantling process of the utility model is simpler, and the safety performance is higher; the grid frame can fall to the water surface or the ground, so that the grid frame can be recycled, and the construction cost is lower; the fixed supporting seat and the like can be made of local materials on the construction site, the materials are convenient to obtain, the construction is convenient, and the construction method is simple.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to a regularization suspended formwork subassembly in steel case roof beam matrix.
Background
The steel box girder is also called a steel plate box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a larger span, and is called the steel box girder because the shape is like a box.
At present, when a steel box girder is used for bridge construction, a cast-in-place concrete slab is usually arranged above the steel box girder, the thickness of the cast-in-place concrete slab is large, a formwork support frame of the cast-in-place concrete slab needs to be erected in the steel box girder, the number of holes in the steel box girder is large, the area of the holes is small, formwork support plates are installed in a large number of holes, the cost is high, and time and labor are consumed for installation. And need form removal after pouring this cast-in-place concrete slab, in order to demolish the formwork, need reserve the manhole usually, and the personnel are extremely unsafe in installing and demolising the template in the hole in addition, still need protect personnel, and the material and the manual work that drop into are more, and are with high costs, and construction speed is slow.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a construction convenience, but reuse, regularization hang the template subassembly in the higher steel case roof beam matrix of security performance.
The utility model provides a technical scheme that its technical problem adopted is: a regularization suspended formwork subassembly in steel box girder matrix includes:
the grating frame comprises a first supporting rod and a second supporting rod which are arranged in a staggered mode;
the multiple groups of fixed supporting seats are arranged above the side wall of the steel box girder and are connected with the grid frame through the adapter pieces;
the reserved hole templates are fixedly connected to the steel box girder, and the adaptor penetrates through the reserved hole templates and then is connected with the grid frame;
the bearing layer is arranged above the grid frame and used for shielding the opening at the upper part of the steel box girder;
after concrete is poured on the bearing layer, the adaptor is separated from the fixed supporting seat, external force is applied from the preformed hole template to press down the whole grid frame, so that the grid frame is separated from the bottom of the cast-in-place concrete.
The utility model discloses hang the grid frame through the fixed seat that props from the top of steel case roof beam, need not personnel during the dismouting from top to bottom, need not to reserve the manhole, the security performance is higher, and the grid frame hangs slowly to descend to the surface of water and accept with the ship and retrieve with the rope after the drawing of patterns of bearing layer bottom in addition, and used repeatedly has reduced installation cost.
Furthermore, the fixed supporting seats are symmetrically arranged on two sides of the steel box girder in the length direction. The fixed brace seat is arranged along the length direction of the steel box girder at intervals, and the two sides of the fixed brace seat are symmetrically arranged, so that the grid frame is fixed more stably.
Further, the fixed support seat comprises a herringbone body with an opening fixedly connected with the steel box girder and a connecting ring arranged at the closed end of the top of the body; the fixed support seat is made of steel bars. The fixed support seat can be made of steel bars, is made of local materials at the construction site, is convenient to obtain the materials and has low manufacturing cost.
Furthermore, one end of the adapter is provided with a hook part which can be clamped into the connecting ring and is made of steel bars. The connecting structure of the fixed support seat and the adaptor is simple, the adaptor is also made of steel bars, local materials are obtained on the construction site, the materials are convenient to obtain, and the manufacturing cost is low.
Furthermore, first bracing piece sets up along the width direction of steel box girder, offers the recess that supplies the perpendicular card of second bracing piece to go into on the first bracing piece. First bracing piece and second bracing piece are on same horizontal plane as far as possible, and are more firm to the bearing of concrete, and the assembly connection structure of first bracing piece and second bracing piece is simple moreover, has also reduced the assembly degree of difficulty through being connected of adaptor and first bracing piece, and the assembling process is simple.
Furthermore, the distance between the periphery of the grid frame and the inner wall of the steel box girder is 3-8 cm. The arrangement of the distance enables the grid frame to be more smoothly separated from the fixed supporting seat when falling.
Further, the grid frame further comprises a frame body matched with the inner shape of the steel box girder, and the end part of the first supporting rod is fixedly connected with the frame body.
Furthermore, the position of the preformed hole template corresponds to the position of the first support rod and is respectively positioned at the two ends of the first support rod, and the adaptor penetrates through the preformed hole template and is fixedly connected with the first support rod.
Furthermore, the section of the preformed hole template is rectangular and extends from bottom to top and from inside to outside in an inclined manner. The inclined adaptation of preformed hole template fixes the structure of propping the seat for fixed propping seat is not the laggard grid frame of complete perpendicular, and the pulling to the grid frame is laborsaving, effective more.
Furthermore, the bearing layer is a wood template or a plastic template. The two are relatively light in weight, but can effectively support concrete by matching with the grid frame.
The utility model has the advantages that: 1) when the grid frame is dismantled, external force is directly applied from the upper part of the grid frame through the holes of the reserved hole template without going from bottom to top, so that the grid frame can be easily demoulded, a manhole for dismantling workers to pass through is not reserved, the dismantling process is simpler, and the safety performance is higher; 2) the grid frame can fall to the water surface or the ground, so that the grid frame can be recycled, and the construction cost is lower; 3) the fixed supporting seat and the like can be made of local materials on the construction site, and the materials are convenient to obtain and the construction is convenient.
Drawings
Fig. 1 is a perspective view of the utility model in cooperation with a steel box girder (after concrete is poured).
Fig. 2 is an enlarged view of a portion of the structure of fig. 1.
Fig. 3 is a perspective view of the present invention cooperating with a steel box girder (no concrete pouring).
Fig. 4 is an enlarged view of a portion of the structure of fig. 3.
Fig. 5 is a perspective view of the present invention engaged with a steel box girder (with a support layer removed).
Fig. 6 is an enlarged view of a portion of the structure of fig. 5.
Fig. 7 is the back structure schematic diagram of the utility model with steel box girder complex.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1-7, a regularization suspended formwork subassembly in steel box girder matrix, with the cooperation of steel box girder 3, steel box girder 3 includes a plurality of horizontal lateral walls 32 and vertical lateral wall 33, horizontal lateral wall 32 and vertical lateral wall 33 alternately form a plurality of square spaces that are the matrix and arrange, run through from top to bottom in every square space, its inside suspended formwork subassembly that all is provided with, it is concrete, it includes grid frame 1, the fixed seat 2 that props of multiunit, a plurality of preformed hole templates 5, and bearing layer 6.
The grid frame 1 comprises first support rods 11 and second support rods 12 which are arranged in a staggered mode, the first support rods 11 are arranged in parallel at intervals along the width direction of the steel box girder 3, the second support rods 12 are arranged in parallel at intervals along the length direction of the steel box girder 3, and the first support rods 11 are perpendicular to the second support rods 12; in order to make the first support bar 11 and the second support bar 12 in the same plane as much as possible, a groove 111 is formed on the upper surface of the first support bar 11, and the width of the top opening of the groove 11 is equal to the width of the second support bar 12, so that the second support bar 12 can be inserted into the groove 111 in a tight fit manner.
The grid frame 1 can also comprise a frame body 13, the shape of the frame body 13 is matched with the inner shape of the steel box girder 3, a distance of 3-8cm exists between the frame body 13 and the inner wall of the steel box girder 3, and when the grid frame 1 does not comprise the frame body 13, the periphery of the grid frame also has the distance with the inner wall of the steel box girder 3; the two ends of the first support bar 11 are respectively fixed to two opposite rods of the frame 13, and the second support bar 12 is set up above the other two rods of the frame 13, or may be embedded in the frame 13.
The fixed seat 2 that props is divided into the multiunit, and every group includes two fixed seats 2 that prop, and its symmetry sets up in the length direction's of steel box girder 3 both sides, and in this embodiment, the fixed quantity that props seat 2 is three groups. The fixed support seat 2 is fixedly connected above the side wall of the steel box girder 3 and comprises a herringbone body 21 and a connecting ring 22, wherein the opening of the body 21 faces downwards and is fixedly connected with the steel box girder 3, and the connecting ring 22 is fixedly connected with the closed end at the top of the body 21; the connecting ring 22 and the body 21 are made of steel bars, and are made of local materials and convenient materials for the herringbone steel bar support.
Every fixed brace seat 2 all links to each other with grid frame 1 through a adaptor 4, and the one end of adaptor 4 is provided with hook portion 41, and it blocks in and colludes on go-between 22, and the other end of adaptor 4 links to each other with grid frame 1 after passing from preformed hole template 5, and adaptor 4 also is made by the reinforcing bar, as shown in fig. 7, and the other end of adaptor 4 passes first bracing piece 11 back bending and forms the ring form, realizes relative fixed connection between them.
The quantity of preformed hole template 5 is the same with the quantity of fixed brace seat 2, and its fixed connection is on steel box girder 3, and the position of preformed hole template 5 is corresponding with the position of first bracing piece 11, and every group preformed hole template 5 is located the both ends of first bracing piece 11 respectively, and adaptor 4 passes preformed hole template 5 after and the 11 fixed connection of first bracing piece of grid frame 1. In this embodiment, the cross section of preformed hole template 5 is rhombus or rectangle, and inside cavity, the bottom part embedding of preformed hole template 5 steel box girder 3's top surface and the juncture of side, and in order to agree with fixed stay seat 2 and the tensile direction and the tensile state of adaptor 4, preformed hole template 5 from down upwards, from the inboard of steel box girder 3 to the outside slope extension.
The supporting layer 6 is arranged above the grid frame 1, can be a wood board or a PVC board, is arranged above the grid frame 1, and is used for shielding the opening 31 at the upper part of the steel box girder 3 and comprises a gap between the grid frame 1 and the inner wall of the steel box girder 3.
A use method of a shaped suspension template assembly in a steel box girder matrix comprises the following steps:
1) a plurality of groups of fixed supporting seats 2 are fixedly arranged above the side wall of the steel box girder 3, and a plurality of preformed hole templates 5 are fixedly arranged on the steel box girder 3 at positions corresponding to the fixed supporting seats 2;
2) one end of the adapter 4 is hooked on the fixed support seat 2, the other end of the adapter passes through the preformed hole template 5 and then is fixedly connected with the first support rod 11, and a second support rod 12 is erected on the first support rod 11; of course, the grating frame 1 can be fixedly connected with the adapter 4 after being assembled;
3) placing the bearing layer 6 on the grid frame 1 to shield the upper opening 31 of the steel box girder 3;
4) pouring concrete 7 on the bearing layer 6 in situ, wherein the thickness of the concrete 7 is just flush with the upper opening of the preformed hole template 5 or is shorter than the upper opening of the preformed hole template 5;
5) after the concrete 7 is solidified, the hook part 41 of the adapter part 4 is separated from the connecting ring 22 of the fixed support seat 2, a tool is extended into the tool through the preformed hole template 5, external force is applied to press the grid frame 1 downwards, so that the grid frame 1 and the poured concrete 7 are demoulded, the grid frame 1 is slowly descended to the ground by using a rope, but when a bridge is generally built, the steel box girder 3 is positioned on the water surface, at the moment, a ship is generally arranged below, and the grid frame 1 is descended to the ship to be recycled and can be reused;
6) and (3) removing the bearing layer 6, removing the preformed hole template 5, then cutting off the fixed support seat 2 for hanging the template, supporting the preformed hole template 5 in a template hanging mode, plugging the holes of the preformed hole template 5 by using concrete, and finishing the concrete cast-in-place work of all the bridge decks.
The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.
Claims (10)
1. The utility model provides a regularization suspended formwork subassembly in steel box girder matrix which characterized in that includes:
the grating frame (1) comprises a first supporting rod (11) and a second supporting rod (12) which are arranged in a staggered mode;
the multiple groups of fixed supporting seats (2) are arranged above the side wall of the steel box girder (3) and are connected with the grid frame (1) through the adapter pieces (4);
the reserved hole templates (5) are fixedly connected to the steel box girder (3), and the adaptor (4) penetrates through the reserved hole templates (5) and then is connected with the grid frame (1);
the bearing layer (6) is arranged above the grid frame (1) and is used for shielding an upper opening (31) of the steel box girder (3);
after concrete (7) is poured on the bearing layer (6), the adaptor (4) is separated from the fixed support seat (2), external force is applied from the preformed hole template (5) to integrally press the grid frame (1) downwards, so that the grid frame is separated from the bottom of the poured concrete (7).
2. The steel box girder matrix internal finalized suspension template assembly according to claim 1, characterized in that: the fixed supporting seats (2) are symmetrically arranged on two sides of the steel box girder (3) in the length direction.
3. The steel box girder matrix internal finalized suspended formwork assembly of claim 1 or 2, wherein: the fixed support seat (2) comprises a herringbone body (21) with an opening fixedly connected with the steel box girder (3), and a connecting ring (22) arranged at the closed end of the top of the body (21); the fixed support seat (2) is made of steel bars.
4. The steel box girder matrix internal finalized suspension template assembly according to claim 3, characterized in that: one end of the adapter (4) is provided with a hook part (41) which can be clamped into the connecting ring (22) and is made of steel bars.
5. The steel box girder matrix internal finalized suspension template assembly according to claim 1, characterized in that: first bracing piece (11) set up along the width direction of steel box girder (3), offer recess (111) that confession second bracing piece (12) are gone into perpendicularly on first bracing piece (11).
6. The steel box girder matrix internal finalized suspension template assembly according to claim 5, characterized in that: the distance between the periphery of the grid frame (1) and the inner wall of the steel box girder (3) is 3-8 cm.
7. The steel box girder matrix internal finalized suspension template assembly according to claim 5, characterized in that: the grid frame further comprises a frame body (13) matched with the inner shape of the steel box girder (3), and the end part of the first supporting rod (11) is fixedly connected with the frame body (13).
8. The steel box girder matrix internal finalized suspension template assembly according to claim 5, characterized in that: the position of preformed hole template (5) corresponds with the position of first bracing piece (11), is located the both ends of first bracing piece (11) respectively, adaptor (4) pass preformed hole template (5) back and fixed the linking to each other with first bracing piece (11).
9. The steel box girder matrix internal finalized suspension template assembly according to claim 8, characterized in that: the section of the preformed hole template (5) is rectangular and extends from bottom to top and from inside to outside in an inclined manner.
10. The steel box girder matrix internal finalized suspension template assembly according to claim 1, characterized in that: the bearing layer (6) is a wood template or a shaped plastic template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004079.9U CN213978600U (en) | 2020-09-14 | 2020-09-14 | Regularization suspended formwork assembly in steel box girder matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004079.9U CN213978600U (en) | 2020-09-14 | 2020-09-14 | Regularization suspended formwork assembly in steel box girder matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213978600U true CN213978600U (en) | 2021-08-17 |
Family
ID=77253490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022004079.9U Active CN213978600U (en) | 2020-09-14 | 2020-09-14 | Regularization suspended formwork assembly in steel box girder matrix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213978600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323628A (en) * | 2020-09-14 | 2021-02-05 | 鲲鹏建设集团有限公司 | Shaped suspended formwork assembly in steel box girder matrix and using method thereof |
-
2020
- 2020-09-14 CN CN202022004079.9U patent/CN213978600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323628A (en) * | 2020-09-14 | 2021-02-05 | 鲲鹏建设集团有限公司 | Shaped suspended formwork assembly in steel box girder matrix and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103635643A (en) | Constructing method for concrete cylinder of construction steel bar of high-rise steel structure | |
| JPH11181724A (en) | Method for constructing horizontal beam of main tower made of concrete | |
| CN213978600U (en) | Regularization suspended formwork assembly in steel box girder matrix | |
| CN113293694A (en) | Rollover frame structure for efficient pier body construction and construction process | |
| CN112323628A (en) | Shaped suspended formwork assembly in steel box girder matrix and using method thereof | |
| CN212505865U (en) | Cast-in-place diaphragm plate formwork system | |
| CN210315253U (en) | Novel aquatic tie beam bracket device | |
| CN212176590U (en) | Outer frame safety protection structure is exempted from to assembled building | |
| CN210117921U (en) | Shear wall structure tunnel formwork | |
| CN211818054U (en) | Fixing structure of safety protection device for cast-in-place part on periphery of assembly type shear wall | |
| CN210659227U (en) | Exterior wall formwork system free of external scaffold | |
| CN110118014B (en) | Exterior wall template system free of exterior scaffold and construction method thereof | |
| CN211257274U (en) | Assembly type underground structure accessory | |
| KR100282297B1 (en) | Preplex beam and method of construction of bridge superstructure using this preflex beam and deck plate | |
| CN115058979B (en) | High and large pier column concrete one-time pouring framework and one-time pouring method thereof | |
| CN216765629U (en) | Design template construction platform | |
| CN217812323U (en) | Steel template system for side wall | |
| CN215518837U (en) | Reinforced concrete prefabricated forming die | |
| CN214194640U (en) | Build gravity type concrete retaining wall and use reinforcing apparatus | |
| CN112900235B (en) | Assembled support trestle and filling core bar concrete bracing beam | |
| CN215055271U (en) | Combined template for cooling tower cylinder wall construction | |
| CN110894753B (en) | Wall formwork device and manufacturing method | |
| CN220451429U (en) | Post-pouring strip supporting template | |
| CN114395988A (en) | Design template construction platform | |
| CN212561569U (en) | Slope concrete lattice template |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |