CN214939353U - Large-span continuous beam support system - Google Patents
Large-span continuous beam support system Download PDFInfo
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- CN214939353U CN214939353U CN202120913572.4U CN202120913572U CN214939353U CN 214939353 U CN214939353 U CN 214939353U CN 202120913572 U CN202120913572 U CN 202120913572U CN 214939353 U CN214939353 U CN 214939353U
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Abstract
The utility model discloses a large-span continuous beam supports system, main mound pier shaft both sides are located respectively to the buttress that concreties temporarily, the buttress that concreties temporarily is used for supporting the template system with the formwork support when pouring 0# piece, and pour at 0# piece and accomplish back support 0# piece, concreties temporarily buttress and the equal vertical installation of formwork support on the cushion cap, the corbel that is used for erection bracing upper portion setting temporarily, the supporting seat is installed at formwork support top and corbel upper surface, the form-fitting is at the supporting seat top, the template includes die block board and exterior sheathing, the inclination of die block board suits with the 0# piece bottom surface that required was pour, the both sides of supporting seat are connected with the exterior sheathing respectively. Through the combination of the temporary consolidation buttress and the template support as a supporting structure, after the 0# block is poured, the template system and the steel tube stand column are removed, the upper end of the steel tube concrete stand column is repeatedly used after being lengthened, the upper end of the steel tube concrete stand column is used for supporting the 0# block, repeated removal and assumption are not needed, the construction period is shortened, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the construction of 0# piece, specific theory relates to a large-span continuous beam support system.
Background
The continuous beam is a structure frequently adopted by some existing viaducts, and has the advantages of material saving, high rigidity, good overall performance, high overload capacity, high safety, few bridge deck expansion joints and the like, in the construction process, 0# block construction is often needed firstly, and then the continuous beam is poured to two sides or one side by utilizing a hanging basket mode, for the super bridge engineering, because the numerical values of the length of the 0# block, the beam height, the top width of a box girder, the local top width at a middle fulcrum, the bottom width of the box girder and the like are all larger, the concrete square amount and the weight (including an arch abutment) are also extremely large in the construction, the internal reinforcing steel bars are various and large in number, prestressed pipelines are dense, the hanging basket for the continuous beam construction needs to be installed on one side of the 0# block, in the cantilever pouring process of the continuous beam, the permanent support of the 0# block is damaged due to unbalanced bending moment, therefore, in the existing construction process, after the 0# block is poured, firstly, a supporting system for supporting a template system is dismantled, and then temporary consolidation buttresses are erected on a bearing platform again to temporarily support the two sides or one side of the 0# block, so that time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large-span continuous beam support system through setting up the temporary consolidation buttress, uses the temporary consolidation buttress and template support combination, after accomplishing 0# piece and pour, only needs to demolish the template support, and the temporary consolidation buttress continues to use as 0# piece support, under the stable prerequisite of assurance 0# piece, reduction of erection time.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a large-span continuous beam support system, includes temporary consolidation buttress, formwork support, supporting seat and template, main mound pier shaft both sides are located respectively to the temporary consolidation buttress, the temporary consolidation buttress be used for when pouring 0# piece with formwork support template system to support 0# piece after 0# piece is poured to accomplish, the equal vertical installation of temporary consolidation buttress and formwork support is on the cushion cap, the bracket that is used for erection bracing upper portion sets up the corbel that is used for the erection bracing, and the supporting seat is installed at formwork support top and corbel upper surface, and the template is installed at the supporting seat top, and the template includes die block and exterior sheathing, the inclination of die block suits with the 0# piece bottom surface of required pouring, and the both sides of supporting seat are connected with the exterior sheathing respectively.
The temporary consolidation buttress comprises six concrete-filled steel tube stand columns divided into two groups, the two groups of concrete-filled steel tube stand columns are respectively positioned on two sides of a main pier body, two groups of corbels are oppositely arranged on two sides of the upper part of each concrete-filled steel tube stand column, and the corbels are used for overlapping a supporting seat; the formwork support comprises a plurality of steel tube stand columns arranged at intervals, and the steel tube stand columns on the same side are located between the concrete filled steel tube stand columns and the pier body.
The corbel comprises three webs and an cover plate welded to the upper end face of the web, the three webs penetrate through three groups of notches symmetrically formed in the upper portion of the concrete filled steel tube stand and are welded to the outer wall of the concrete filled steel tube stand, the length of the outer wall of the concrete filled steel tube stand penetrated by the webs is equal to the length of the outer wall of the concrete filled steel tube stand, the web penetrates through a part upper portion horizontal welding cover plate of the outer wall of the concrete filled steel tube stand, the end face of the cover plate close to the outer wall of the concrete filled steel tube stand is in a circular arc shape and is welded to the outer wall of the concrete filled steel tube stand, and the upper surface of the cover plate is used for overlapping the supporting seat.
The steel tube stand that lies in pier shaft one side is five, sets up a steel tube stand respectively in the interim consolidation buttress both sides simultaneously, and five steel tube stands are one row, and pier shaft is one row with three steel tube concrete stand of one side and two steel tube stands of its both sides.
The supporting seat sets up the support roof beam in pier shaft both sides including the symmetry, the crossbeam, the longeron, the limit longeron, limit crossbeam and crossbeam pad roof beam, the support roof beam is taken and is established on one row of steel pipe column of pier shaft both sides, the crossbeam pad roof beam is set up to the bracket upper surface on every steel pipe concrete column upper portion, the crossbeam pads roof beam medial extremity and sets up in a support roof beam top, three crossbeams are set up to the crossbeam pad roof beam top, wherein two crossbeams are located steel pipe concrete column both sides, another crossbeam is located crossbeam pad roof beam outer end, the longeron is set up through the bracket in the crossbeam top, longeron extending direction is perpendicular with crossbeam extending direction, longeron top installation die block board.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the temporary consolidation buttresses are arranged on two sides of the pier body of the main pier and are matched with the template support frame to support the support seat, after the casting of the No. 0 block is finished by installing the bottom template and the outer template through the support seat in the pouring operation of the No. 0 block, hanging baskets are installed at two ends of the No. 0 block, the cast-in-place construction of the continuous beams on two sides is started, the continuous beams on two sides are in a cantilever casting state, in order to prevent the overturning of the No. 0 block, the prior method is to install the supports on two sides of the No. 0 block again after the casting of the No. 0 block is finished and is used for balancing the stress of the No. 0 block, the period is longer, but the utility model adopts the form that the temporary consolidation buttresses are combined with the template support, the temporary consolidation buttresses are three steel pipe concrete columns respectively arranged on two sides of the pier body, the template support is a steel pipe column arranged on two sides of the pier body, the upper part of the steel pipe concrete column is provided with a bracket, when the No. 0 block is poured, a supporting seat overlap joint for installing template is as template support system at bracket and steel pipe stand top, accomplish 0# piece and pour after, only need demolish template system and formwork support, the temporary consolidation buttress need not to demolish, only need increase the steel pipe concrete stand according to 0# piece bottom surface height and shape, utilize the steel pipe concrete stand of both sides to support 0# piece, need not to demolish all supports and erect again, under the prerequisite of guaranteeing that 0# piece is stable, the reduction of erection time, the efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure A-A of FIG. 1;
FIG. 3 is a structural cross-sectional view of B-B in FIG. 1;
FIG. 4 is a cross-sectional view of the structure of C-C, D-D of FIG. 1;
FIG. 5 is a plan view of a steel pipe and a concrete filled steel tubular column according to an embodiment of the present invention;
FIG. 6 is a front view of a bracket according to an embodiment of the present invention;
FIG. 7 is a top view of a bracket according to an embodiment of the present invention;
FIG. 8 is a structural side view of a corbel according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a fixing plate according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a backing plate according to an embodiment of the present invention.
Labeling components: 1-concrete-filled steel tube column, 2-steel tube column, 3-cross connection, 4-longitudinal beam, 5-side longitudinal beam, 6-cross beam, 7-side cross beam, 8-cross beam pad beam, 9-side pad beam, 10-support beam, 11-bottom template, 12-outer template, 13-bracket, 14-0# block, 15-web plate and 16-cover plate.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
The utility model discloses a large-span continuous beam supports system, as shown in fig. 1-7, be provided with the temporary consolidation buttress respectively in main mound pier shaft both sides, set up the formwork support between temporary consolidation buttress and the pier shaft, the temporary consolidation buttress and the equal fixed mounting of formwork support are at the cushion cap top surface, the bracket on formwork support's upper end and temporary consolidation buttress upper portion is used for erection bracing seat, this supporting seat is used for fixed die block board and exterior sheathing, the inclination of die block board suits with the lower terminal surface of the 0# piece 14 that need pour, the both sides of supporting seat are connected with exterior sheathing 12 respectively. The utility model discloses a theory of operation and advantage lie in: form the formwork support system through adopting consolidation buttress and formwork support to make up mutually, the consolidation buttress is the steel core concrete stand, the formwork support is the steel core concrete stand, steel core concrete stand upper portion sets up the bracket, the supporting seat overlap joint is at bracket and steel core stand top, through supporting seat fixed die plate, accomplish after 0# piece is pour, only need demolish the template, supporting seat and formwork support, increase the steel core concrete stand according to 0# piece bottom surface height and shape, utilize the steel core concrete stand of both sides to support 0# piece, need not to demolish all supports and erect again, the reduction of erection time, and the efficiency is improved.
As a preferred embodiment of the utility model, as shown in fig. 2, fig. 5, pre-buried steel pipe column 2 supporting steel plate when the cushion cap construction, the steel sheet lower part sets up the anchor reinforcing bar, and the anchor is gone into degree of depth 0.75 meters, and the anchor reinforcing bar welds into wholly with the cushion cap reinforcing bar, and the concrete filled steel tube column 1 that the buttress is divided into two sets of is concreted to the temporary consolidation includes six roots, and every concrete filled steel tube column 1's diameter is 2m, and two sets of concrete filled steel tube column 1 are located main mound pier shaft both sides respectively. The concrete strength grade of the six concrete filled steel tube columns 1 is C50, 180 phi 32 (HBR 400) are configured, the lower ends of the threaded steel bars are embedded into a bearing platform for 1500mm, and meanwhile, the brackets 13 are arranged on the upper portions of the six concrete filled steel tube columns 1 and are used as a part of a supporting system, namely, each bracket 13 is connected with a supporting seat. The distance between the three steel pipe concrete columns 1 on one side is 4.3 m.
As a preferred embodiment of the present invention, as shown in fig. 6-10, the corbel includes three webs 15 and the cover plate 16 welded on the upper end surface of the web 15, three webs 15 penetrate three groups of gaps symmetrically formed on the upper portion of the concrete filled steel tube column 1 and then are welded on the outer wall of the concrete filled steel tube column 1, the length of the web 15 penetrating the outer wall of the concrete filled steel tube column 1 is equal, the web 15 penetrates the horizontal welding cover plate 16 on the upper portion of the outer wall of the concrete filled steel tube column 1, the cover plate 16 presses close to the end surface of the outer wall of the concrete filled steel tube column 1 and is in arc line and welded on the outer wall of the concrete filled steel tube column 1, and the upper surface of the cover plate 16 is used for overlapping the supporting seat.
As a preferred embodiment of the present invention, as shown in fig. 1 and 5, the formwork support includes a plurality of steel tube columns 2 arranged at intervals, and the steel tube columns 2 are connected and fixed to each other through cross-links 3 arranged along vertical intervals. Specifically, the method comprises the following steps. The steel pipe upright post 2 is connected with the pier body opposite-pulling channel steel through the cross braces, the interval of the cross braces is 5.15m, the model of the steel pipe upright post 2 is phi 800 multiplied by 12mm, each center of the steel pipe upright post 2 penetrates through five phi 32 finish-rolled deformed steel bars, and the bottom of the steel pipe upright post penetrates through the steel plate and is anchored into the bearing platform. Specifically, as shown in fig. 5, two steel tube columns 2 are arranged at 4.1m outside the external temporary consolidation buttress, five steel tube columns 2 are arranged side by side close to the pier body, and the distances from the two rows of steel tube columns 2 to the center of the buttress are respectively 4m and 8.5 m.
Wherein, the utility model discloses a mode that steel core concrete stand 2 and steel core concrete stand 1 combine, steel core concrete stand 1 is formed by the inside cast concrete of steel core column of major diameter, the bearing strength has been increased, be provided with two sets of brackets 13 relatively in steel core column upper portion both sides of major diameter, every bracket 13 all is connected with the lower extreme of supporting seat, bracket 13 height and the high phase-match of steel core stand 2 of minor diameter, a template system for jointly supporting 0# piece 14, only need use one row of minor diameter's steel core stand 2 can, three steel core concrete stand both sides are supporting to be set up two minor diameter's steel core stand 2, treat 0# piece 14 and pour the completion, steel core stand 2, supporting seat and template can be demolishd, then lengthen 1 top of steel core concrete stand, and extend to 14 lower surfaces of 0# piece, a 14 is used for supporting 0# piece 14. The concrete filled steel tube stand top extension section adopts same diameter steel tube welded mode, extension section top and the 14 bottom surface contacts of 0# piece, pours sulphur concrete into the extension section after the welding is accomplished, and six concrete filled steel tube stands are used for supporting the weight of 0# piece and cantilever casting, ensure the stability of 0# piece 14, wait to accomplish and can demolish after the construction is pour to the continuous roof beam in both sides.
As a preferred embodiment of the utility model, as shown in fig. 1, fig. 4, the supporting seat sets up on one row of steel tube column 2 of pier shaft both sides including the symmetry support roof beam 10, crossbeam 6, longeron 4, limit longeron 5, limit crossbeam 7 and crossbeam pad roof beam 8, support roof beam 10 sets up on the pier shaft both sides, the crossbeam pad roof beam 8 is set up to the bracket 13 upper surface on 1 upper portion of every steel tube concrete column, crossbeam pad roof beam 8 medial extremity sets up in support roof beam 10 top, three crossbeams 6 are set up to crossbeam pad roof beam 8 top, wherein two crossbeams 6 are located 1 both sides of steel tube concrete column, another crossbeam 6 is located crossbeam pad roof beam 8 outer end, longeron 4 is set up through the bracket in crossbeam 6 top, longeron 4 extending direction is perpendicular with crossbeam 6 extending direction, longeron 4 top installation die block board.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (5)
1. The utility model provides a large-span continuous beam support system which characterized in that: including concretion buttress, formwork support, supporting seat and template, main mound pier shaft both sides are located respectively to the concretion buttress, concretion buttress be used for supporting the template system with the formwork support when pouring 0# piece to pour at 0# piece and support 0# piece after accomplishing, concretion buttress and the equal vertical installation of formwork support are on the cushion cap temporarily, concretion buttress upper portion sets up the bracket that is used for the erection bracing seat, and the supporting seat is installed at formwork support top and bracket upper surface, and the template is installed at the supporting seat top, and the template includes die block and exterior sheathing, the inclination of die block suits with the 0# piece bottom surface of pouring required, and the both sides of supporting seat are connected with the exterior sheathing respectively.
2. The large-span continuous beam support system of claim 1, wherein: the temporary consolidation buttress comprises six concrete-filled steel tube stand columns divided into two groups, the two groups of concrete-filled steel tube stand columns are respectively positioned on two sides of a main pier body, two groups of corbels are oppositely arranged on two sides of the upper part of each concrete-filled steel tube stand column, and the corbels are used for overlapping a supporting seat; the formwork support comprises a plurality of steel tube stand columns arranged at intervals, and the steel tube stand columns on the same side are located between the concrete filled steel tube stand columns and the pier body.
3. The large-span continuous beam support system of claim 2, wherein: the corbel comprises three webs and an cover plate welded to the upper end face of the web, the three webs penetrate through three groups of notches symmetrically formed in the upper portion of the concrete filled steel tube stand and are welded to the outer wall of the concrete filled steel tube stand, the length of the outer wall of the concrete filled steel tube stand penetrated by the webs is equal to the length of the outer wall of the concrete filled steel tube stand, the web penetrates through a part upper portion horizontal welding cover plate of the outer wall of the concrete filled steel tube stand, the end face of the cover plate close to the outer wall of the concrete filled steel tube stand is in a circular arc shape and is welded to the outer wall of the concrete filled steel tube stand, and the upper surface of the cover plate is used for overlapping the supporting seat.
4. The large-span continuous beam support system of claim 3, wherein: the steel tube stand that lies in pier shaft one side is five, sets up a steel tube stand respectively in the interim consolidation buttress both sides simultaneously, and five steel tube stands are one row, and pier shaft is one row with three steel tube concrete stand of one side and two steel tube stands of its both sides.
5. The large-span continuous beam support system of claim 4, wherein: the supporting seat sets up the support roof beam in pier shaft both sides including the symmetry, the crossbeam, the longeron, the limit longeron, limit crossbeam and crossbeam pad roof beam, the support roof beam is taken and is established on one row of steel pipe column of pier shaft both sides, the crossbeam pad roof beam is set up to the bracket upper surface on every steel pipe concrete column upper portion, the crossbeam pads roof beam medial extremity and sets up in a support roof beam top, three crossbeams are set up to the crossbeam pad roof beam top, wherein two crossbeams are located steel pipe concrete column both sides, another crossbeam is located crossbeam pad roof beam outer end, the longeron is set up through the bracket in the crossbeam top, longeron extending direction is perpendicular with crossbeam extending direction, longeron top installation die block board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913572.4U CN214939353U (en) | 2021-04-29 | 2021-04-29 | Large-span continuous beam support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913572.4U CN214939353U (en) | 2021-04-29 | 2021-04-29 | Large-span continuous beam support system |
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| Publication Number | Publication Date |
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| CN214939353U true CN214939353U (en) | 2021-11-30 |
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| CN202120913572.4U Active CN214939353U (en) | 2021-04-29 | 2021-04-29 | Large-span continuous beam support system |
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| CN (1) | CN214939353U (en) |
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- 2021-04-29 CN CN202120913572.4U patent/CN214939353U/en active Active
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