CN213142801U - Box girder web outside mould structure - Google Patents
Box girder web outside mould structure Download PDFInfo
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- CN213142801U CN213142801U CN202021641008.3U CN202021641008U CN213142801U CN 213142801 U CN213142801 U CN 213142801U CN 202021641008 U CN202021641008 U CN 202021641008U CN 213142801 U CN213142801 U CN 213142801U
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Abstract
The utility model belongs to the technical field of cast-in-place box girder construction, and discloses a box girder web plate outer side mold structure, which comprises a panel, wherein one side of the panel is propped against the outer side surface of a box girder web plate; the secondary ridges are arranged along the longitudinal direction of the bridge and support the other side of the panel; the main ridges are arranged in a plurality of numbers and are arranged along the transverse direction of the bridge, and each main ridge is connected with each secondary ridge and forms a latticed support on one side of the panel; and one end of the supporting rod is abutted against the distribution beam, and the other end of the supporting rod is abutted against the main edge so as to support the main edge. The utility model supports the outer side surface of the box girder web plate in turn through the panel, the secondary edge, the main edge and the support bar, and does not need to arrange a pull rod in the box girder web plate, thereby canceling the working procedure of installing and detaching the pull rod and accelerating the construction progress; after the outer side die structure is disassembled, the pull rod hole does not need to be grouted and repaired, and the appearance quality of concrete is guaranteed.
Description
Technical Field
The utility model relates to a cast-in-place box girder construction technical field especially relates to a box girder web outside mould structure.
Background
With the development of economic construction in China, the traffic construction projects are increased on a large scale, and especially for bridge construction, the requirements on construction quality and construction period are higher and higher.
In the prior art, for a cast-in-place box girder structure of a bridge support, when the height of the box girder is more than 2.0m, a web plate is generally provided with a pull rod to resist the lateral pressure during concrete pouring, and a steel template or a wood template is adopted as a template. When the pull rod is installed, a PVC pipeline needs to be reserved so as to facilitate the later-stage removal of the pull rod; the reinforcing method has more construction processes and long construction period; meanwhile, after the formwork and the pull rod are detached, grouting treatment needs to be carried out on the reserved PVC pipeline, so that the construction procedures are increased, and the appearance quality of the box girder is influenced.
If the outer side die of the web plate adopts a structure without a pull rod, the die plate needs to adopt a large-block shaping steel die plate, and a strong supporting steel truss is arranged. The whole template structure needs to be manufactured and processed by a professional template manufacturer, so that more materials are needed, and the cost is higher; the templates need to be installed and dismantled by means of hoisting equipment, and construction is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a case web outside modular construction to solve the problem of the construction of no pull rod outside modular, have simple structure, installation and dismantle advantage convenient, with low costs.
To achieve the purpose, the utility model adopts the following technical proposal:
a box girder web outboard mold structure comprising:
one side of the panel is abutted against the outer side face of the box girder web plate;
the secondary ridges are arranged in a plurality of numbers and are arranged along the longitudinal direction of the bridge, and the secondary ridges support the other side of the panel;
the main ridges are arranged in a plurality of numbers and are arranged transversely along a bridge, and each main ridge is connected with each secondary ridge and forms a grid-shaped supporting structure on one side of the panel;
and one end of the supporting rod is abutted against the distribution beam, and the other end of the supporting rod is abutted against the main edge so as to support the main edge.
Optionally, the bracing piece is equipped with the multiunit, the multiunit the bracing piece interval sets up, and every group the bracing piece includes two the bracing piece, two the top of bracing piece supports respectively and leans on two different positions on the main stupefied.
Optionally, a first jacking is arranged at the top of the supporting rod, and the first jacking can move in the axial direction of the supporting rod relative to the supporting rod.
Optionally, a support groove is formed in the distribution beam, and the bottom of the support rod is stopped against the support groove.
Optionally, a horizontal rod is arranged on the main ridge, and the first jacking at the top of the supporting rod abuts against the horizontal rod.
Optionally, the horizontal rod is a channel steel, and the first jacking abuts against the inside of an opening of the channel steel.
Optionally, the bottom of the supporting groove is welded on the distribution beam, and the bottom of the supporting rod and the bracket upright are supported in the opening.
Optionally, the top of the bracket upright rod is provided with a second jacking, the second jacking can move in the axial direction of the bracket upright rod, and the second jacking is supported on the top of the box girder web.
Optionally, the box girder web outside mould structure still includes the double-spliced steel pipe, the double-spliced steel pipe includes two steel pipes of vertical fixed connection, the double-spliced steel pipe is followed the horizontal fixing of bridge is on inferior stupefied, the second jacking supports and is in on the double-spliced steel pipe.
Optionally, the bottom of the main ridge is welded and fixed on the distribution beam.
The utility model has the advantages that:
the box girder web outer side die structure provided by the utility model is sequentially supported on the outer side surface of the box girder web through the panel, the secondary edge, the main edge and the support rod, a pull rod is not needed to be arranged in the box girder web, the process of installing and detaching the pull rod is cancelled, and the construction progress is accelerated; after the outer side die structure is disassembled, the pull rod hole does not need to be grouted and repaired, and the appearance quality of concrete is guaranteed. The utility model discloses an outside mould structural design is simple, and maneuverability is strong, and the material quantity is few, has reduced construction cost.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a box girder web outer side mold structure of the present invention;
fig. 2 is a schematic longitudinal section structure diagram of the box girder web outside mold structure of the present invention.
In the figure:
1. a panel; 2, secondary corrugation; 3, main corrugation; 4, supporting rods;
5. a first jacking; 6, supporting the groove; 7, horizontal rods; 8, erecting a support;
9. a second jacking; 10, double-spliced steel pipes; a box beam web; a distribution beam 200.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a case web outside mould structure for the lateral surface to case web 100 supports fixedly in the bridge construction, lateral pressure when resisting the interior concreting of case roof beam. Specifically, as shown in fig. 1 and 2, the box girder web outer side mold structure comprises a panel 1, a secondary ridge 2, a main ridge 3 and a support rod 4, wherein one side of the panel 1 abuts against the outer side face of the box girder web 100; the secondary ridges 2 are arranged in plurality, the secondary ridges 2 are arranged along the longitudinal direction of the bridge, and one side of each secondary ridge 2 supports the other side of the panel 1; the main ridges 3 are arranged in a plurality, the main ridges 3 are arranged along the transverse direction of the bridge, each main ridge 3 is connected with each secondary ridge 2, and a latticed supporting structure is formed on one side of the panel 1; one end of the support bar 4 is stopped against the distribution beam 200 and the other end is stopped against the main beam 3.
According to the box girder web plate outer side die structure, the panel 1, the secondary edge 2, the main edge 3 and the support rod 4 are sequentially supported on the outer side surface of the box girder web plate 100, and a pull rod is not required to be arranged in the box girder web plate 100, so that compared with the prior art, the process of installing and detaching the pull rod is omitted, and the construction progress is accelerated; after the outer side die structure is disassembled, the pull rod hole does not need to be grouted and repaired, and the appearance quality of concrete is guaranteed. The utility model discloses an outside mould structural design is simple, and maneuverability is strong, and the material quantity is few, has reduced construction cost. Specifically, the utility model discloses in, the bamboo offset plate behind panel 1 adoption 15mm, one side and the lateral surface contact of case roof beam web 100, the opposite side supports on inferior stupefied 2, and is fixed through the screwed connection between the two. Inferior stupefied 2 is 10cm square timber, and a plurality of stupefied 2 are vertically put along the bridge, support on the main stupefied 3 of transversely putting along the bridge, and inferior stupefied 2 and main stupefied 3 are in the same place through thick iron wire ligature, support the support of realization to the lateral surface of case beam web 100 on main stupefied 3 through bracing piece 4 at last.
Optionally, the support rods 4 are provided with multiple groups, the multiple groups of support rods 4 are arranged at intervals, each group of support rods 4 comprises two support rods 4, and the tops of the two support rods 4 are respectively abutted against two different positions on the main edge 3. As shown in fig. 1, the multiple groups of support rods 4 are arranged at intervals along the longitudinal direction of the bridge, each group of support rods 4 comprises two support rods 4, and the support rods are arranged up and down, wherein the top of the upper support rod 4 is supported at the middle part of the main edge 3, the top of the lower support rod 4 is supported at the bottom position close to the same main edge 3, triangular support structures are formed at the upper position and the lower position of the main edge 3, the included angle between the upper support rod 4 and the vertical direction is smaller than that between the lower support rod 4 and the vertical direction, and the two triangular support structures are located on the same vertical plane. In some embodiments, the top of the upper support bar 4 is supported at a height of not less than two thirds of the height of the main ridge 3 and the top of the lower support bar 4 is supported at a height of less than one third of the height of the main ridge 3. Specifically, the support rod 4 is a steel pipe with a diameter of 48mm, and an internal thread is processed at the end of the steel pipe.
Optionally, the top of the support rod 4 is provided with a first top support 5, and the first top support 5 can move relative to the support rod 4 in the axial direction of the support rod 4. As shown in fig. 1, the top of each support rod 4 is provided with a first jacking 5, and the first jacking 5 can adjust the overall length of the support rod 4 to play a role in supporting and stabilizing the main edge 3. The specific adjustment manner includes, but is not limited to, using a screw or a bolt as the first jacking 5, and obtaining support bars 4 with different lengths by screwing in and out the screw or the bolt relative to the internal thread on the top of the support bar 4, so as to adjust the support bars as required when in use.
Optionally, the distribution beam 200 is provided with a support groove 6, and the bottom of the support rod 4 is stopped in the support groove 6. As shown in fig. 1, the bottom of the support bar 4 is stopped in the support groove 6, so that the bottom of the support bar 4 is prevented from sliding on the distribution beam 200, and the support stability is improved.
As shown in fig. 1, the main ridge 3 is provided with a horizontal rod 7, and the first top support 5 at the top of the support rod 4 is abutted against the horizontal rod 7. The first jacking 5 at the top of the supporting rod 4 is abutted against the horizontal rod 7, so that the supporting rod 4 can be prevented from longitudinally sliding relative to the main edge 3 after being stressed, and the supporting stability is improved. It should be explained that the included angle between the upper support rod 4 and the main ridge 3 is small, the contact mode between the first jacking 5 and the main ridge 3 is point contact, the main ridge 3 cannot be effectively supported, and slippage may occur under the action of lateral pressure of concrete, so that the horizontal rod 7 is arranged between the main ridge 3 and the support rod 4 to transmit supporting force.
Further, the horizontal rod 7 is a channel steel, and the first jacking 5 abuts against the inside of an opening of the channel steel. The horizontal rod 7 takes the shape of a channel steel, the bottom of the channel steel is fixed on the main edge 3, and the opening is internally abutted against the first jacking 5 to prevent the support rod 4 from sliding after being stressed. Specifically, the horizontal rod 7 can be a channel steel or a plurality of sectional channel steels arranged along the longitudinal direction of the bridge, the main edge 3 also adopts channel steels, and the connection mode between the horizontal rod 7 and the main edge 3 is welding.
Further, the bottom of the support groove 6 is welded to the distribution beam 200, and the bottom of the support rod 4 and the support upright 8 are supported in the opening. Support groove 6 and be equipped with a plurality ofly, a plurality of support grooves 6 are vertical to be set up and are parallel to each other along the bridge, and the interval between the support groove 6 sets up as required. The interval between two adjacent support grooves 6 is less than the distance between the top of two bracing pieces 4 of every group, therefore the support angle of two bracing pieces 4 is different, supports groove 6 and selects the channel-section steel structure, and the channel-section steel opening is upwards, and the bottom of bracing piece 4 is located the opening of channel-section steel, prevents the slip of bracing piece 4 bottom for distribution beam 200. The support upright 8 is a support for supporting the top of the box girder web 100, and the bottom of the support upright 8 is vertically supported in the support groove 6.
Wherein, the top of support pole setting 8 is equipped with second top and holds in the palm 9, and second top holds in the palm 9 can be at the axial displacement of support pole setting 8, and second top holds in the palm 9 and supports at the top of box girder web 100. First top holds in palm 9 can be at 8 axial displacement of support pole setting, and then can adjust the length of support pole setting 8, and wherein, first top holds in the palm 9 and can adopt screw or bolt, threaded connection is at the top of support pole setting 8, and screw or bolt realize the regulation of the whole length of support pole setting 8 for the rotation of support pole setting 8 to support at the top lateral surface of box girder web 100.
Further, the utility model discloses a case web outside mode structure still includes double-pin steel pipe 10, and double-pin steel pipe 10 includes two steel pipes of vertical fixed connection, and double-pin steel pipe 10 is fixed on inferior stupefied 2 along the horizontal of bridge, and second top holds in the palm 9 and supports on double-pin steel pipe 10. As shown in fig. 2, according to the mechanical analysis, the concrete side pressure at the top position of the box girder web 100 is small, so that the flange plate bottom die double-spliced steel pipe 10 is used for supporting without additionally adding a reinforcing fitting. Wherein, support pole setting 8 has a plurality ofly, along the longitudinal arrangement of double-assembling steel pipe 10, consequently has a plurality of second to push up and hold in the palm 9 interval and support in the longitudinal direction of double-assembling steel pipe 10, and stupefied 2 of upper level is withstood at the top of double-assembling steel pipe 10, and the bottom sprag is on the second pushes up and holds in the palm 9 at the top of support pole setting 8 promptly.
Optionally, in the utility model discloses in, the bottom welded fastening of main stupefied 3 is on distribution beam 200. The utility model discloses in, main stupefied 3 adopts 10# channel-section steel, and the channel-section steel is along vertical putting, and the side of every channel-section steel has all supported bracing piece 4, and the bottom welds with distribution beam 200, and the bottom is fixed and two bracing pieces 4 support the position that is close to bottom and middle part respectively, realize the firm support to main stupefied 3.
Use the utility model provides a case web outside mould structure, concrete construction steps are as follows:
s1, preparing a steel pipe with the diameter of 48mm as a support rod 4, a 10# channel steel as a main edge 3, a bamboo plywood with the thickness of 15mm as a panel 1 and a square wood with the thickness of 10 multiplied by 10cm as a secondary edge 2.
S2, processing the panel 1, the secondary edge 2 and the main edge 3 into a whole on the ground through iron nails and thick iron wires so as to be convenient for integral installation; the specific processing length is based on the convenience of manual operation.
And S3, finishing the erection of the flange plate bottom die and the inner die steel pipe support.
And S4, measuring the position of the outer edge of the lofting flange plate and pulling the line as a control point.
S5, manually erecting and processing the panel 1 into a whole, and temporarily supporting the panel on a flange plate bracket; after the adjustment to the accurate position, weld the fixed bottom of main arris 3 and the distributive aspect 200 of the supporting structure.
S6, two supporting rods 4 are sequentially installed according to the designed positions, and the length of the first jacking 5 is adjusted, so that the supporting rods 4 stably support the main edge 3.
And S7, mounting the flange plate bottom die double-spliced steel pipe 10 to enable the end part of the flange plate bottom die double-spliced steel pipe to be propped against the uppermost-layer ridge 2, and completing the mounting of the whole outer side die structure.
And S8, pouring the box girder concrete after the template is installed and the inspection is qualified. And (3) after the concrete meets the formwork removal requirement, sequentially removing the formwork components according to the principle of firstly assembling and then disassembling, and secondly assembling and firstly disassembling.
In the construction process, a pull rod is not required to be arranged in the box girder web 100, the procedure of installing and detaching the pull rod is eliminated, and the construction progress is accelerated; after the formwork is dismantled, the pull rod hole does not need to be grouted and repaired, and the appearance quality of concrete is guaranteed. The reinforcing system is simple in structural design and strong in operability; the existing materials on site are fully utilized, a special supporting truss does not need to be processed or other materials do not need to be added, the material consumption is low, and the construction cost is reduced.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a case web outside mode structure which characterized in that includes:
the panel (1) is abutted against the outer side face of the box girder web plate (100) at one side;
the secondary ridges (2) are arranged in a plurality of numbers, the secondary ridges (2) are arranged along the longitudinal direction of the bridge, and the secondary ridges (2) support the other side of the panel (1);
the main beam (3) is provided with a plurality of main beams (3), the main beams (3) are transversely arranged along the bridge, each main beam (3) is connected with each secondary beam (2) and forms a grid-shaped supporting structure on one side of the panel (1);
and one end of the supporting rod (4) is abutted against the distribution beam (200), and the other end of the supporting rod (4) is abutted against the main edge (3) so as to support the main edge (3).
2. The box girder web outer side formwork structure according to claim 1, wherein the supporting rods (4) are provided with a plurality of groups, the plurality of groups of supporting rods (4) are arranged at intervals, each group of supporting rods (4) comprises two supporting rods (4), and the tops of the two supporting rods (4) respectively abut against two different positions on the main edge (3).
3. The box beam web outer side formwork structure according to claim 2, characterized in that the top of the support bar (4) is provided with a first jacking (5), and the first jacking (5) can move relative to the support bar (4) in the axial direction of the support bar (4).
4. The box beam web outer side formwork structure according to claim 2, characterized in that the distribution beam (200) is provided with a support groove (6), and the bottom of the support bar (4) is stopped in the support groove (6).
5. The box girder web outer side formwork structure according to claim 3, characterized in that a horizontal bar (7) is arranged on the main ridge (3), and the first jacking (5) at the top of the supporting bar (4) abuts against the horizontal bar (7).
6. The box beam web outer formwork structure according to claim 5, wherein the horizontal bar (7) is a channel steel, and the first jacking (5) abuts in an opening of the channel steel.
7. The box girder web outer formwork structure according to claim 4, wherein the bottom of the support channel (6) is welded to the distributor beam (200), and the bottom of the support bar (4) and the support upright (8) are supported in the opening.
8. The box girder web outer formwork structure according to claim 7, characterized in that a second jacking (9) is arranged at the top of the support upright (8), the second jacking (9) can move in the axial direction of the support upright (8), and the second jacking (9) is supported at the top of the box girder web (100).
9. The box girder web outer side formwork structure according to claim 8, further comprising double-spliced steel pipes (10), wherein the double-spliced steel pipes (10) comprise two steel pipes which are fixedly connected in the longitudinal direction, the double-spliced steel pipes (10) are fixed on the secondary ridge (2) along the transverse direction of the bridge, and the second jacking brackets (9) are supported on the double-spliced steel pipes (10).
10. The box girder web outer formwork structure according to claim 1, wherein the bottom of the main ridge (3) is welded and fixed to the distribution girder (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021641008.3U CN213142801U (en) | 2020-08-07 | 2020-08-07 | Box girder web outside mould structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021641008.3U CN213142801U (en) | 2020-08-07 | 2020-08-07 | Box girder web outside mould structure |
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| CN213142801U true CN213142801U (en) | 2021-05-07 |
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| CN202021641008.3U Active CN213142801U (en) | 2020-08-07 | 2020-08-07 | Box girder web outside mould structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164768A (en) * | 2021-12-27 | 2022-03-11 | 中交第四公路工程局有限公司 | Cast-in-place box girder template bearing structure |
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2020
- 2020-08-07 CN CN202021641008.3U patent/CN213142801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164768A (en) * | 2021-12-27 | 2022-03-11 | 中交第四公路工程局有限公司 | Cast-in-place box girder template bearing structure |
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