CN215801131U - Cast-in-place super large box culvert integral translation high and large formwork support - Google Patents
Cast-in-place super large box culvert integral translation high and large formwork support Download PDFInfo
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- CN215801131U CN215801131U CN202121923732.XU CN202121923732U CN215801131U CN 215801131 U CN215801131 U CN 215801131U CN 202121923732 U CN202121923732 U CN 202121923732U CN 215801131 U CN215801131 U CN 215801131U
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Abstract
A cast-in-place oversized box culvert integral translation high and large formwork belongs to the technical field of box culvert construction. It includes the sand top of a plurality of setting on cast-in-place super large box culvert bottom plate, and the top on a plurality of sand top is provided with the die-erecting frame, and the die-erecting frame includes a plurality of steel pipe buttress, and the steel pipe buttress corresponds the setting with the sand top, and in the sand top was inserted to the lower extreme of steel pipe buttress, the upper end of a plurality of steel pipe buttress was equipped with the first shaped steel of a plurality of, and the upper end of the first shaped steel of a plurality of is equipped with a plurality of I-steel, and the upper end of a plurality of I-steel is equipped with a plurality of square timber, is equipped with the template on a plurality of square timber. According to the utility model, the steel pipe buttresses are connected into a whole through longitudinal, horizontal and cross connection channel steel, the first profile steel is welded on the steel pipe buttresses to form the whole formwork support, the whole movement of the formwork support is realized through the arranged sand jack and the combination of the jack and the movable trolley, the construction period can be effectively shortened, the construction cost is reduced, the potential safety hazard of high-altitude operation is effectively reduced, and the noise pollution caused by erecting and disassembling the formwork support is reduced.
Description
Technical Field
The utility model belongs to the technical field of box culvert construction, and particularly relates to a cast-in-place oversized box culvert integral translation high and large formwork support.
Background
At present, the traditional construction method of 'repeated installation and removal of a formwork support' is generally adopted in the formwork support of the domestic cast-in-place box culvert, the formwork support is installed once each section is poured, and after the concrete reaches the design strength, the formwork support is removed and transported to be installed in the next section. The method has the advantages of large labor demand, long construction period, high construction cost, large difference of the installation quality of the frame body every time, and large potential safety hazard in the process of dismantling the frame body every time.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a cast-in-place oversized box culvert integral translation high and large formwork which can save the construction period and reduce the construction cost and potential safety hazard.
The utility model provides the following technical scheme: the utility model provides a high big die carrier of whole translation of cast-in-place super large box culvert, includes that a plurality of sets up the sand top on cast-in-place super large box culvert bottom plate, a plurality of the top of sand top is provided with the die carrier, the die carrier includes a plurality of steel pipe buttress, the steel pipe buttress with sand top one-to-one sets up, in the sand top was inserted to the lower extreme of steel pipe buttress, horizontal adjacent two be connected through coupling assembling between the steel pipe buttress, vertical adjacent two be connected through the longitudinal connection channel-section steel between the steel pipe buttress, a plurality of the upper end of steel pipe buttress is equipped with the first shaped steel of a plurality of, a plurality of the upper end of first shaped steel is equipped with a plurality of I-steel, a plurality of the upper end of I-steel is equipped with a plurality of square timber, a plurality of be equipped with the template on the square timber.
The utility model provides a high big formwork support of whole translation of cast-in-place super large box culvert, its characterized in that the main part on sand top is the steel cask, the main part on sand top is filled with medium coarse sand, the lateral part of sand top main part has arranged a plurality of sand flowing hole apart from bottom surface 2 ~ 3cm position department, sand flowing hole department welding have the nut and set with nut matched with screw rod is in order right sand flowing hole carries out the shutoff.
The utility model provides a high big die carrier of whole translation of cast-in-place super large box culvert, its characterized in that coupling assembling includes that two set up side by side two adjacent horizontal connection channel-section steel between the steel pipe buttress, two be equipped with the cross connection channel-section steel between the horizontal connection channel-section steel, the tip of horizontal connection channel-section steel, cross connection channel-section steel passes through the steel sheet to be fixed on the steel pipe buttress.
The cast-in-place oversized box culvert integral translation high and large formwork support is characterized in that a plurality of first profile steels are uniformly distributed on a plurality of steel pipe buttresses along the transverse direction.
The cast-in-place oversized box culvert integral translation high and large formwork support is characterized in that a plurality of I-shaped steels are uniformly distributed on a plurality of first section steels along the longitudinal direction.
The cast-in-place oversized box culvert integral translation high and large formwork is characterized in that a plurality of square timbers are uniformly distributed on a plurality of I-shaped steel in the transverse direction, and the formworks are laid on the square timbers.
The utility model provides a cast-in-place super large box culvert whole translation height big formwork, its characterized in that the bottom at first shaped steel both ends is all hugged closely and is provided with the second shaped steel, the second shaped steel with adjacent be equipped with the bevel connection steel pipe between the steel pipe buttress, bevel connection steel pipe one end welding is in on the second shaped steel, the other end welding is in on the steel pipe buttress.
The cast-in-place oversized box culvert integral translation high and large formwork support is characterized by further comprising a movable trolley and a jack, wherein the movable trolley is used for moving the formwork support.
The cast-in-place oversized box culvert integral translation high and large formwork support is characterized by further comprising a steel wire rope, one end of the steel wire rope is connected to steel bars pre-buried in a cast-in-place oversized box culvert bottom plate, and a clamping plate at the other end of the steel wire rope is tied to the steel pipe buttress.
By adopting the technology, compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the steel pipe buttresses are connected into a whole through the longitudinal connecting channel steel, the horizontal connecting channel steel and the cross connecting channel steel, the first profile steel is welded on the steel pipe buttresses to form a large integral buttressing frame, the integral movement of the large integral buttressing frame is realized through the combination of the sand jack and the moving trolley, the construction period can be effectively shortened, the construction cost is reduced, the potential safety hazard of high-altitude operation is effectively reduced, the noise pollution caused by the erection and disassembly of the buttressing frame can be effectively reduced, the environmental protection is facilitated, the practical popularization value is higher, and the economic and social benefits are higher.
Drawings
FIG. 1 is a cross-sectional view of a formwork support according to an embodiment of the present invention;
FIG. 2 is a schematic longitudinal sectional view of a formwork support according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of the installation structure of the steel pipe buttress in the embodiment of the utility model.
In the figure: 1. carrying out sand jacking; 2. steel pipe buttress; 3. horizontally connecting channel steel; 4. cross-connecting channel steel; 5. a steel plate; 6. a wire rope; 7. longitudinally connecting channel steel; 8. a bevel steel pipe; 9. a second section steel; 10. a first section steel; 11. i-shaped steel; 12. square wood; 13. a template; 14. and (5) moving the trolley.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
On the contrary, the utility model is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the utility model as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Example (b):
referring to fig. 1-4, the cast-in-place oversized box culvert integral translation high and large formwork support comprises six sand roofs 1 and two formwork support frames, wherein the six sand roofs 1 are uniformly distributed in two rows, and the formwork support frames are arranged on the sand roofs 1.
Specifically, the main body of the sand roof 1 is a steel drum with the diameter of 500 mm, quicksand is filled in the main body of the sand roof 1, medium coarse sand is selected as the quicksand, the height of the medium coarse sand is analyzed, calculated and determined according to data fed back by prepressing of a formwork support, a plurality of quicksand holes are arranged at positions 2-3 cm away from the bottom surface of the side portion of the main body of the sand roof 1, nuts are welded at the quicksand holes, and screws matched with the nuts are arranged on the quicksand holes in a matched mode to block the quicksand holes.
Specifically, the formwork support comprises six steel pipe buttresses 2, the steel pipe buttresses 2 are arranged in one-to-one correspondence with the sand roof 1, the steel pipe buttresses 2 are made of 325-7 seamless steel pipes, bottom openings are welded and sealed, the lower ends of the steel pipe buttresses 2 are inserted into quicksand in the sand roof 1 and are erected and temporarily stabilized by using truck cranes. Be connected through coupling assembling between two horizontal adjacent steel pipe buttress 2, be connected through longitudinal connection channel-section steel 7 between two vertical adjacent steel pipe buttress 2.
Specifically, coupling assembling includes that two set up the horizontally connect channel-section steel 3 between two adjacent steel pipe buttress 2 side by side, is equipped with cross connection channel-section steel 4 between two horizontally connect channel-section steels 3, and the tip of horizontally connect channel-section steel 3, cross connection channel-section steel 4 passes through steel sheet 5 to be fixed on steel pipe buttress 2.
The horizontal connecting channel steel 3 adopts 16# channel steel, and the end part of the horizontal connecting channel steel is provided with a bolt through hole; the cross connection channel steel 4 adopts 12# channel steel, and the end part is provided with a bolt through hole; the steel plate 5 is a common steel plate with the thickness of 10mm, the center of the steel plate is provided with a bolt through hole, the steel plate is welded on the steel pipe buttress 2, and the welding mode is double-sided full welding; the longitudinal connecting channel steel 7 adopts 20# channel steel.
Specifically, the upper end of six steel pipe buttresses 2 has the first shaped steel 10 of a plurality of along horizontal equipartition, and the bottom at first shaped steel 10 both ends all is hugged closely and is provided with second shaped steel 9, is equipped with bevel connection steel pipe 8 between second shaped steel 9 and the adjacent steel pipe buttress 2, and 8 one end welding of bevel connection steel pipe are on second shaped steel 9, and the other end welding is on steel pipe buttress 2. The upper ends of the first section steels 10 are uniformly distributed with a plurality of I-shaped steels 11 along the longitudinal direction, the upper ends of the I-shaped steels 11 are uniformly distributed with a plurality of square timbers 12 along the transverse direction, and templates 13 are laid on the square timbers 12.
Wherein, the bevel steel pipe 8 is made by 120-3 steel pipe bevel cutting; the second type steel 9 adopts 200H type steel; the first section steel 10 is 250H-shaped steel, and the I-shaped steel 11 is 20# I-shaped steel; the template 13 is made of wood plywood; the size of the square timber 12 is 5 cm by 8cm, and the arrangement interval is 20 cm by 50 cm; the size of the template 13 is 1220X 2440X 15 mm.
Specifically, still set wire rope 6, wherein, wire rope 6 adopts 8mm wire rope, and the reinforcing bar of pre-buried in having pour the bottom plate is connected to its one end, and one end is banded on steel pipe buttress 2 with the buckle for keep the stability of steel pipe buttress 2 in the assembly process. Specifically, a moving trolley 14 and a jack are also provided for moving the formwork support, wherein the moving trolley 14 is assembled by four inflatable rubber wheels and four steel beams.
The concrete using process of the formwork support is as follows:
when the concrete curing of the poured section reaches the required strength, a certain amount of sand in the sand top 1 is synchronously discharged, and the formwork 13, the square timber 12 and the I-steel 11 are removed after the overall height of the formwork support is reduced; then, the middle part and the front and rear ends of the formwork support are taken as fulcrums at positions 50cm away from the edges, the whole formwork support is jacked up by a jack, and the lower part of the formwork support is placed on a customized movable trolley 14 along the longitudinal direction. And respectively fixing a chain block and a chain on the steel pipe buttress 2 and a reserved drag hook or a digging machine bucket in the moving forward direction, and manually operating the chain block to enable the chain block to drive the formwork support and the movable trolley 14 to slowly slide forwards, wherein the moving speed is controlled at 0.5 m/min.
And after the supporting frame moves in place, the supporting frame is jacked up by using a jack, and after the movable trolley 14 is withdrawn, the supporting frame is placed into the sand top 1 meeting the design requirement. And (4) checking whether the steel pipe in the formwork support has bending deformation or not, re-supporting the formwork 13 after no node is loosened, and circularly operating until the construction of the final section of the box culvert is finished, and dismantling the formwork support.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high big formwork support of cast-in-place super large box culvert whole translation which characterized in that: comprises a plurality of sand roofs (1) arranged on a cast-in-situ oversized box culvert bottom plate, a formwork support is arranged above the plurality of sand roofs (1), the formwork support comprises a plurality of steel pipe buttresses (2), the steel pipe buttresses (2) are arranged corresponding to the sand tops (1) one by one, in sand top (1) was inserted to the lower extreme of steel pipe buttress (2), horizontal adjacent two be connected through coupling assembling between steel pipe buttress (2), vertical adjacent two be connected through longitudinal connection channel-section steel (7), a plurality of between steel pipe buttress (2) the upper end of steel pipe buttress (2) is equipped with the first shaped steel of a plurality of (10), a plurality of the upper end of first shaped steel (10) is equipped with a plurality of I-steel (11), a plurality of the upper end of I-steel (11) is equipped with a plurality of square timber (12), a plurality of be equipped with template (13) on square timber (12).
2. The cast-in-place oversized box culvert integral translation high and large formwork support frame according to claim 1 is characterized in that the main body of the sand roof (1) is a steel drum, medium coarse sand is filled in the main body of the sand roof (1), a plurality of sand flowing holes are arranged at positions 2-3 cm away from the bottom surface of the side part of the main body of the sand roof (1), nuts are welded at the sand flowing holes, and screws matched with the nuts are arranged to block the sand flowing holes.
3. The cast-in-place oversized box culvert integral translation high and large formwork support frame as claimed in claim 1, characterized in that the connecting assembly comprises two horizontal connecting channel steels (3) arranged side by side between two adjacent steel pipe buttresses (2), a cross connecting channel steel (4) is arranged between the two horizontal connecting channel steels (3), and the ends of the horizontal connecting channel steels (3) and the cross connecting channel steels (4) are fixed on the steel pipe buttresses (2) through steel plates (5).
4. The cast-in-place oversized box culvert integral translation high and large formwork support frame according to claim 1, characterized in that a plurality of the first section steels (10) are uniformly distributed on a plurality of the steel pipe buttresses (2) along the transverse direction.
5. The cast-in-place oversized box culvert integral translation high and large formwork support frame according to claim 4, characterized in that a plurality of I-beams (11) are uniformly distributed on a plurality of first section steels (10) along the longitudinal direction.
6. The cast-in-place oversized box culvert integral translation high and large formwork frame as claimed in claim 5, characterized in that a plurality of square timbers (12) are uniformly distributed on a plurality of I-shaped steels (11) along the transverse direction, and the formwork (13) is laid on the plurality of square timbers (12).
7. The cast-in-place oversized box culvert integral translation high and large formwork support frame as claimed in claim 4, characterized in that the bottoms of the two ends of the first section steel (10) are respectively provided with a second section steel (9) in a clinging manner, an oblique steel pipe (8) is arranged between the second section steel (9) and the adjacent steel pipe support pier (2), one end of the oblique steel pipe (8) is welded on the second section steel (9), and the other end is welded on the steel pipe support pier (2).
8. The cast-in-place oversized box culvert integral translation high and large formwork support frame according to claim 1, characterized by further comprising a movable trolley (14) and a jack for moving the formwork support frame.
9. The cast-in-place oversized box culvert integral translation high and large formwork support frame according to claim 1, characterized by further comprising a steel wire rope (6), wherein one end of the steel wire rope (6) is connected to steel bars pre-embedded in a cast-in-place oversized box culvert bottom plate, and a buckle plate at the other end is tied to the steel pipe buttress (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121923732.XU CN215801131U (en) | 2021-08-17 | 2021-08-17 | Cast-in-place super large box culvert integral translation high and large formwork support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121923732.XU CN215801131U (en) | 2021-08-17 | 2021-08-17 | Cast-in-place super large box culvert integral translation high and large formwork support |
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| Publication Number | Publication Date |
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| CN215801131U true CN215801131U (en) | 2022-02-11 |
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| CN202121923732.XU Active CN215801131U (en) | 2021-08-17 | 2021-08-17 | Cast-in-place super large box culvert integral translation high and large formwork support |
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| CN (1) | CN215801131U (en) |
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- 2021-08-17 CN CN202121923732.XU patent/CN215801131U/en active Active
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