CN202954299U - Template support structure for large-angle V-shaped pier and No.0 block of continuous rigid framework bridge - Google Patents
Template support structure for large-angle V-shaped pier and No.0 block of continuous rigid framework bridge Download PDFInfo
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- CN202954299U CN202954299U CN2012205284129U CN201220528412U CN202954299U CN 202954299 U CN202954299 U CN 202954299U CN 2012205284129 U CN2012205284129 U CN 2012205284129U CN 201220528412 U CN201220528412 U CN 201220528412U CN 202954299 U CN202954299 U CN 202954299U
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Abstract
The utility model relates to the field of bridge construction, in particular to a template support structure for a large-angle V-shaped pier and a No.0 block of a continuous rigid framework bridge. The template support structure at least comprises a reinforced concrete foundation ground, a steel pipe support which is supported on the reinforced concrete foundation ground and a 'T'-shaped rod balance frame which is arranged inside an inclined leg steel template of the V-shaped pier, wherein a support surface on the top of the steel pipe support is a V-shaped section of which the shape is matched with that of the external contour of the inclined leg steel template of the V-shaped pier; the 'T'-shaped rod balance frame comprises steel pipe supports are distributed along the inner side of the inclined leg steel template of the V-shaped pier in a sector shape and a profile steel framework which is arranged on the top of the steel pipe supports; and the bottoms of the steel pipe supports are fixedly connected to a concrete embedded steel plate at the bottom of the V-shaped pier. The template support structure has the advantages of simplicity, high stressed performance and high integral stability, can prevent the horizontal and vertical deformation of a template and is suitable for the construction of the large-angle V-shaped pier.
Description
Technical field
The utility model relates to the Bridge Construction field, is specifically related to the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier and 0# piece template.
Background technology
Nearly two during the last ten years, occurred some prestressed concrete V-type supporting bridges both at home and abroad, comprises that V-type supports continuous beam and continuous rigid frame.The appearance of V-type pier structure, increased new design to bridge construction, transformed the original clumsy image of bridge pier, makes the integral bridge Mechanical Builds more lightly attractive in appearance, makes the span ability of bridge improve simultaneously, shorten girder across footpath, reduce deck-molding.The firm structure of V-type pier across footpath, reduces the moment of flexure of superstructure girder due to the calculating that has adopted the V-type diagonal brace effectively to reduce bridge, thereby reduces the engineering quantity of beam structure.
Be illustrated in figure 1 V-type pier rack construction arrangement diagram, substantially adopt at present two kinds of ways both at home and abroad in carrying out the construction of V-type pier battered leg: Support Method, T-shaped suspension bracket method, both are adapted to low-angle V-type pier and the less V-type pier battered leg construction of deadweight, and the good situation of bridge pier periphery geological conditions, is applied in highway bridge more.The major defect of the two existence is that the strength and stiffness of support system can not meet that the required precision of high-speed railway bridge neutral line is high, the rigidity of structure is large and the construction control requirement of the concrete battered leg of wide-angle, and a little less than the compliance to peripheral geological conditions, thereby those skilled in the art need to propose a kind of brand-new solution to the support design method of wide-angle V-type pier and the problem of corresponding concrete casting injecting method.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, the formwork support structure of a kind of V-type of the wide-angle for continuous rigid frame bridge pier and 0# piece is provided, this braced structures by arranging steel pipe support and being supported on reinforced concrete base ground below V-type pier battered leg steel form, simultaneously at the medial shaft of V-type pier battered leg steel form to the steel pipe support being set and along fan-shaped distribution, so that the V-type pier battered leg steel form of wide-angle can laterally and vertically be supported.
The utility model purpose realizes being completed by following technical scheme:
The braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier and 0# piece template, is characterized in that described formwork support structure at least comprises: reinforced concrete base ground; Steel pipe support, be carried on described reinforced concrete base ground in order to support described V-type pier battered leg steel form, the V-shaped section of the apical support face of described steel pipe support for being complementary with described V-type pier battered leg steel form gabarit shape; T-shape rod member balancing stand, be arranged at described V-type pier battered leg steel form inboard in order to support described 0# piece template, described T-shape rod member balancing stand comprises the shaped steel framework that supports and be arranged on described steel pipe support along the steel pipe of the inboard fan-shaped distribution of described V-type pier battered leg steel form, and wherein said steel pipe support bottom is consolidated on the concrete embedded steel plate in bottom of described V-type pier.
Be provided with the shaped steel framework between described steel pipe support and described V-type pier battered leg steel form, described shaped steel framework is specially: between described steel pipe support and V-type pier battered leg steel form, also be provided with the channel-section steel I along V-type pier battered leg length direction, in the described channel-section steel I outside, direction across bridge arranges the channel-section steel II, the outside of described channel-section steel II is provided with H shaped steel along V-type pier battered leg length direction, and wherein said H shaped steel direction across bridge is arranged at least 4 roads.
The described shaped steel framework that is arranged at the steel pipe support is specially: indulge bridge to arranging the i iron I on the edge, top of steel pipe support, and arrange the i iron II along the even interval of direction across bridge on described i iron I.
Described steel pipe support is by forming to even steel pipe spaced apart along vertical bridge, described steel pipe at least arranges four roads along direction across bridge simultaneously, wherein said steel pipe support is welded to connect by the steel batten plate to employing channel-section steel III at longitudinal and transverse bridge, and simultaneously at each, between adjacent steel pipe, bridging is set, to increase the resistance to overturning of steel pipe support.
The lower end of described steel pipe support is supported on described reinforced concrete base ground, simultaneously between the lower end of described steel pipe support and reinforced concrete base ground, is provided with billet.
The inboard even spaced girt of described V-type pier battered leg steel form, in order to resist the template deformation caused because of deadweight in concreting process.
Described V-type pier battered leg steel form bottom is groove structure, the support platform of building for concrete in described low groove structure, the bottom of supportting in order to fixed described steel pipe.
The two ends of the described top in the steel pipe support along vertical bridge to the i iron I of arranging are welded on described V-type pier battered leg steel form inner concrete pre-embedded steel slab.
The utility model has the advantages that, braced structures simple stress performance is good, and resistance to overturning is higher, can prevent template generation level and vertical distortion, is applicable in the V-type pier construction of wide-angle.
The accompanying drawing explanation
Fig. 1 is the braced structures adopted when building the V-type pier in prior art;
The steel pipe support arrangement diagram that Fig. 2 is V-type pier of the present utility model both sides;
The braced structures schematic diagram that Fig. 3 is V-type pier of the present utility model and 0# piece.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, feature of the present utility model and other correlated characteristic are described in further detail, so that technician's of the same trade understanding:
As Fig. 2-3, in figure, mark 1-18 is respectively: 0# piece 1, girt 2, battered leg steel form 3, channel-section steel 4, channel-section steel 5, H shaped steel 6, billet 7, V-type pier 8, channel-section steel bridging 9, steel batten plate 10, steel pipe 11, steel pipe support 12, pre-embedded steel slab 13, framed bent 14, i iron 15, i iron 16, support platform 17, steel pipe support 18.
Embodiment: as shown in Figure 2,3, the present embodiment relates to the Bridge Construction field, is specifically related to the formwork support structure of a kind of V-type of the wide-angle for continuous rigid frame bridge pier and 0# piece.The marks, cracks or perforations on rocks made by action of waves Ma Heqiao that the present embodiment be take in No. 11 lines of Shanghai Rail Transit south sections (No. 16 lines) is example, and this engineering master bridge is the V-type pier prestressed concrete And of Varying Depth continuous rigid frame bridge across footpath (87.5m+145m+87.5m).In main bridge, pier is the V-type pier, theoretical level 19.44m, and A/F is 36.234m, opening angle is 85.964 °.0# block length 39m, V-type pier and 0# piece case beam consolidation form the inverted triangle hollow form.This engineering bridge is having now between the highway bridge of building, and the middle clear distance of two width highway bridge structures is only 5m.Due to the interacting and restricting of two engineerings, construction is caused to very large inconvenience.
The battered leg external mold of V-type pier 8 adopts typing battered leg steel form 3, and battered leg steel form 3 is the steel plate that 5mm is thick.The formwork support structure of wide-angle V-type pier and 0# piece is mainly by reinforced concrete base ground, form for the T-shape rod member balancing stand that supports 0# piece 1 in order to the steel pipe support 12 of the battered leg steel form 3 that supports V-type pier 8 and battered leg steel form 3 inboards that are arranged on V-type pier 8.
Reinforced concrete base ground: because the engineering quantity of V-type pier 8 and 0# piece 1 is larger, higher to the requirement of strength of foundation, therefore before construction at first battered leg steel form 3 ground, both sides at V-type pier 8 build the reinforced concrete foundation ground that 20cm is thick.
Steel pipe support 12: steel pipe support 12 consists of the steel pipe 11 of diameter 400mm, wall thickness 8mm, and steel pipe 11 arranges between four Dao，Ge roads and is spaced apart 1.5m along direction across bridge, along vertical bridge, to even interval 1.8m, arranges; Steel pipe support 12 in length and breadth to adopting the 20# channel-section steel being welded to connect by steel batten plate 10, and adopt the 20# channel-section steel at vertical bridge to per pass steel pipe support 12 and direction across bridge every channel-section steel bridging 9 is set together, with the resistance to overturning of increase steel pipe support 12.The lower surface of this steel pipe support 12 is provided with billet 7 and is supported on reinforced concrete base ground, and its upper support is in battered leg steel form 3 times; Be provided with a back of the body shaft of rib system between described steel pipe support 12 and battered leg steel form 3, arrange that at the upper end of steel pipe support 12 direction across bridge 4 road H shaped steel 6(specifications are 200*300*16*12mm), the upper end direction across bridge of H shaped steel 6 arranges the outer back of the body rib of 20# channel-section steel 5 as steel form 3, each channel-section steel 5 vertical bridge to spacing be 500mm, battered leg steel form 3 length directions in the upper end of channel-section steel 5 along V-type pier 8 arrange the interior back of the body rib of 8# channel-section steel as battered leg steel form 3.
T-shape rod member balancing stand: the medial shaft at V-type pier 8 supports 18 to the steel pipe that Φ 400*8mm is set, and is fan-shaped distribution, at direction across bridge, 5 rows is set, and between each steel pipe support 18, by channel-section steel, is welded and fixed.Wherein the bottom of steel pipe support 18 is consolidated in the low groove structure of the battered leg steel form 3 of V-type pier 8, and this low groove structure adopts the C55 concrete to build a support platform 17; And the suitable bridge in its top is to arranging 5 road I50a i iron 16 horizontal supports, pre-embedded steel slab 13 in the two ends of i iron 16 and battered leg steel form 3 is welded to connect, and direction across bridge arranges I20a i iron 15 on i iron 16, longitudinal pitch is 1m, be provided with the framed bent 14 be complementary with 0# piece bed die shape on i iron 15, above-mentioned braced structures is in order to the support system of the bed die as 0# piece 1 and side form.
In order to prevent the template deformation caused because of deadweight in concreting process, battered leg steel form 3 to V-type pier 8 adopts the horizontal thrust of the fining twisted steel girt 2 of 24 Φ 25 with the generation of opposing template, it is distributed as 4 of vertical 6 rows, every rows, the horizontal spacing of each girt 2 is 0.8m, vertical spacing is 1m, described girt is distributed in the top of battered leg steel form 3, apart from 10m at the bottom of pier.Wherein take H shaped steel to be welded with two limb 25a channel-section steels be stress point in the two ends of girt 2, to reduce battered leg steel form 3 stress, concentrates the local distortion produced.
According to the practice of construction performance, this braced structures simple stress performance is good, and resistance to overturning is higher, can prevent template generation level and vertical distortion, is more suitable in the V-type pier construction of wide-angle.
Claims (8)
1. the braced structures of the V-type of the wide-angle for a continuous rigid frame bridge pier and 0# piece template, is characterized in that described formwork support structure at least comprises: reinforced concrete base ground; Steel pipe support, be carried on described reinforced concrete base ground in order to support described V-type pier battered leg steel form, the V-shaped section of the apical support face of described steel pipe support for being complementary with described V-type pier battered leg steel form gabarit shape; T-shape rod member balancing stand, be arranged at described V-type pier battered leg steel form inboard in order to support described 0# piece template, described T-shape rod member balancing stand comprises the shaped steel framework that supports and be arranged on described steel pipe support along the steel pipe of the inboard fan-shaped distribution of described V-type pier battered leg steel form, and wherein said steel pipe support bottom is consolidated on the concrete embedded steel plate in bottom of described V-type pier.
2. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, it is characterized in that being provided with the shaped steel framework between described steel pipe support and described V-type pier battered leg steel form, described shaped steel framework is specially: between described steel pipe support and V-type pier battered leg steel form, also be provided with the channel-section steel I along V-type pier battered leg length direction, in the described channel-section steel I outside, direction across bridge arranges the channel-section steel II, the outside of described channel-section steel II is provided with H shaped steel along V-type pier battered leg length direction, and wherein said H shaped steel direction across bridge is arranged at least 4 roads.
3. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, it is characterized in that the described shaped steel framework that is arranged at the steel pipe support is specially: indulge bridge to arranging the i iron I on the edge, top of steel pipe support, and arrange the i iron II along the even interval of direction across bridge on described i iron I.
4. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, it is characterized in that described steel pipe support is by forming to even steel pipe spaced apart along vertical bridge, described steel pipe at least arranges four roads along direction across bridge simultaneously, wherein said steel pipe support is welded to connect by the steel batten plate to employing channel-section steel III at longitudinal and transverse bridge, and simultaneously at each, between adjacent steel pipe, bridging is set, to increase the resistance to overturning of steel pipe support.
5. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, the lower end that it is characterized in that described steel pipe support is supported on described reinforced concrete base ground, simultaneously between the lower end of described steel pipe support and reinforced concrete base ground, is provided with billet.
6. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, it is characterized in that the inboard even spaced girt of described V-type pier battered leg steel form, in order to resist the template deformation caused because of deadweight in concreting process.
7. the braced structures of a kind of V-type of the wide-angle for continuous steel frame bridge pier according to claim 1 and 0# piece template, it is characterized in that described V-type pier battered leg steel form bottom is for groove structure once, the support platform of building for concrete in described low groove structure, in order to the bottom of fixed described steel pipe support.
8. the braced structures of a kind of V-type of the wide-angle for continuous rigid frame bridge pier according to claim 1 and 0# piece template, is characterized in that the two ends of the described top in the steel pipe support along vertical bridge to the i iron I of arranging are welded on described V-type pier battered leg steel form inner concrete pre-embedded steel slab.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205284129U CN202954299U (en) | 2012-10-16 | 2012-10-16 | Template support structure for large-angle V-shaped pier and No.0 block of continuous rigid framework bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205284129U CN202954299U (en) | 2012-10-16 | 2012-10-16 | Template support structure for large-angle V-shaped pier and No.0 block of continuous rigid framework bridge |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388308A (en) * | 2013-08-06 | 2013-11-13 | 中铁八局集团市政工程有限公司 | Secondary temporary pull rod structure protective construction method in large-sized symmetrical oblique pier construction |
| CN104213504A (en) * | 2014-09-25 | 2014-12-17 | 中铁第一勘察设计院集团有限公司 | Rotation V-type T-structure bridge pier and construction thereof |
| CN104929047A (en) * | 2015-06-09 | 2015-09-23 | 沈阳市政集团有限公司 | V-shaped pier outer support construction method |
| CN107895082A (en) * | 2017-11-16 | 2018-04-10 | 华蓝设计（集团）有限公司 | The distribution method of the firm structure battered leg stress monitoring sensor of inverted triangle |
| CN114045756A (en) * | 2021-11-27 | 2022-02-15 | 中化学建设投资集团有限公司 | Rigid frame bridge Y-shaped pier and 0# block combined support |
| CN114457684A (en) * | 2022-01-24 | 2022-05-10 | 中建五局土木工程有限公司 | Auxiliary bearing formwork supporting structure and construction method for box girder full framing of inclined leg rigid frame bridge |
| CN114703883A (en) * | 2022-04-15 | 2022-07-05 | 广东省水利水电第三工程局有限公司 | Support for V-shaped structure cast-in-place and construction method thereof |
-
2012
- 2012-10-16 CN CN2012205284129U patent/CN202954299U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388308A (en) * | 2013-08-06 | 2013-11-13 | 中铁八局集团市政工程有限公司 | Secondary temporary pull rod structure protective construction method in large-sized symmetrical oblique pier construction |
| CN104213504A (en) * | 2014-09-25 | 2014-12-17 | 中铁第一勘察设计院集团有限公司 | Rotation V-type T-structure bridge pier and construction thereof |
| CN104213504B (en) * | 2014-09-25 | 2016-06-01 | 中铁第一勘察设计院集团有限公司 | Turn V-type T structure bridge pier and constructional method thereof |
| CN104929047A (en) * | 2015-06-09 | 2015-09-23 | 沈阳市政集团有限公司 | V-shaped pier outer support construction method |
| CN107895082A (en) * | 2017-11-16 | 2018-04-10 | 华蓝设计（集团）有限公司 | The distribution method of the firm structure battered leg stress monitoring sensor of inverted triangle |
| CN107895082B (en) * | 2017-11-16 | 2021-04-13 | 华蓝设计（集团）有限公司 | Laying method of stress monitoring sensor for inclined leg of inverted triangular rigid frame |
| CN114045756A (en) * | 2021-11-27 | 2022-02-15 | 中化学建设投资集团有限公司 | Rigid frame bridge Y-shaped pier and 0# block combined support |
| CN114045756B (en) * | 2021-11-27 | 2024-06-21 | 中化学建设投资集团安徽工程有限公司 | Y-shaped pier and 0# block combined support of rigid frame bridge |
| CN114457684A (en) * | 2022-01-24 | 2022-05-10 | 中建五局土木工程有限公司 | Auxiliary bearing formwork supporting structure and construction method for box girder full framing of inclined leg rigid frame bridge |
| CN114703883A (en) * | 2022-04-15 | 2022-07-05 | 广东省水利水电第三工程局有限公司 | Support for V-shaped structure cast-in-place and construction method thereof |
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