CN103452039B - Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof - Google Patents
Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof Download PDFInfo
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- CN103452039B CN103452039B CN201310416246.2A CN201310416246A CN103452039B CN 103452039 B CN103452039 B CN 103452039B CN 201310416246 A CN201310416246 A CN 201310416246A CN 103452039 B CN103452039 B CN 103452039B
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Abstract
The invention discloses a kind of Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof, described Cast-in-situs type Inverted T beam comprises rigid backbone and is cast in the concrete structure in rigid backbone, described rigid backbone comprises lower baffle plate, overhead gage, junction plate and side shield, described lower baffle plate, overhead gage and junction plate are connected to form i-beam structure, side shield is two pieces, and the dual-side being separately positioned on described lower baffle plate extends upward.Described bridge pier comprises column and described Cast-in-situs type Inverted T beam, and described Inverted T beam is arranged on described column.Described Bridge Pier Construction technique is by preformed rigid skeleton and construct column, described rigid backbone is lifted on described column, anchor bar on described column inserts in described rigid backbone, described rigid backbone is used as concrete-pouring template, carry out building of concrete structure, form described bridge pier.Easy construction of the present invention, can not arrange support or arrange a small amount of support, less to ground Coherent traffic noise.
Description
Technical field
The present invention relates to the technical field of bridge construction, particularly relate to a kind of Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof.
Background technology
At home, bridge coping is typically employed in formwork erection on support or bracket, the structural shapes such as the steel concrete bent cap of on-the-spot assembling reinforcement, cast-in-situ concrete or pre-stressed concrete coping.
Along with the development of society, the bent cap of traditional approach and bridge pier and Bridge Pier Construction technique thereof can not meet people gradually to requirements such as safety, civilization, rapid construction, the interference of minimizing Construction on Ground road traffic.
Therefore, those skilled in the art is devoted to develop a kind of easy construction, can not arrange support or arrange a small amount of support, the Cast-in-situs type Inverted T beam less to ground Coherent traffic noise and bridge pier and Bridge Pier Construction technique thereof.
Summary of the invention
Because the above-mentioned defect that prior art exists, the invention provides a kind of easy construction, support can not be set or a small amount of support is set, the Cast-in-situs type Inverted T beam less to ground Coherent traffic noise and bridge pier and Bridge Pier Construction technique thereof.
For achieving the above object, the invention provides a kind of Cast-in-situs type Inverted T beam, comprise rigid backbone and be cast in the concrete structure in described rigid backbone, it is characterized in that: described rigid backbone comprises lower baffle plate, overhead gage, junction plate and side shield, described lower baffle plate, overhead gage and junction plate are connected to form i-beam structure, described side shield is two pieces, the dual-side being separately positioned on described lower baffle plate extends upward, described lower baffle plate, overhead gage, junction plate is all identical with the length of described Inverted T beam with the length of side shield, the width of described lower baffle plate is identical with the bottom width of described Inverted T beam, described junction plate height is identical with described Inverted T beam whole height, the width of described overhead gage is identical with the lug boss upper surface width of described Inverted T beam, the height of described side shield is identical with the flank height of described Inverted T beam.
Preferably, described lower baffle plate offers the preformed hole that the anchor bar for extending for column end face inserts.
Preferably, the present invention also comprises some pieces of L-type stiffened steel plates, and described L-type stiffened steel plates is vertically plugged on described lower baffle plate and described junction plate.
Preferably, described L-type stiffened steel plates offers some through holes.
Preferably, described lower baffle plate, overhead gage and/or side shield have extended to form crab-bolt towards bent cap inside.
The present invention also proposes a kind of bridge pier, comprises column and Inverted T beam, and described Inverted T beam is arranged on described column.Wherein, described Inverted T beam is above-mentioned Cast-in-situs type Inverted T beam, the end face of described column is provided with a perforate steel facing, described perforate steel facing is fixedly connected with described lower baffle plate, described end face extends upward anchor bar, and described anchor bar is through the concrete structure anchor connection in described perforate steel facing and described preformed hole and described rigid backbone.
The present invention also proposes a kind of Bridge Pier Construction technique, comprises the following steps:
Step S101, rigid backbone according to claim 1 described in prefabricated site prefabrication, constructs described column according to claim 6 at the construction field (site);
Step S102, is transported to job site by described rigid backbone;
Step S103, adopt hanging device, be lifted on described column by described rigid backbone at the construction field (site), the anchor bar on described column inserts in described rigid backbone;
Step S104, is fixedly connected with the perforate steel facing of described column end face with the lower baffle plate of described rigid backbone;
Step S105, is used as concrete-pouring template by described rigid backbone, carries out building of concrete structure, form described bridge pier.
The main beneficial effect that Cast-in-situs type Inverted T beam of the present invention and bridge pier and Bridge Pier Construction technique thereof have is as follows:
1. the rigid-skeleton better performances of Cast-in-situs type Inverted T beam of the present invention, there is higher rigidity, tension, compressive property are better, the consumption of stirrup in reinforcing bar needed for bent cap top, bottom and bent cap can be save, and rigid backbone can be used as the mould of concreting structure, greatly reduce the quantity of required template and support when building, be conducive to rapid construction and reduce the interference of Construction on Ground traffic.
2. bridge pier of the present invention have employed above-mentioned Cast-in-situs type Inverted T beam, not only be provided with the beneficial effect of above-mentioned Cast-in-situs type Inverted T beam, also improve pillar construction, perforate steel facing is added at column end face, when being convenient in lifting rigid backbone to column, being welded and fixed with rigid backbone, realizing the temporary consolidation of column and bent cap, support can not be set or a small amount of support is set when realizing construction, the interference improving efficiency of construction further and reduce traffic above-ground.
3. Bridge Pier Construction technique of the present invention discloses the construction method of above-mentioned Cast-in-situs type Inverted T beam and bridge pier, this technological operation is simple and convenient, above-mentioned Cast-in-situs type Inverted T beam and bridge pier structure can be constructed well, there is the construction period short, little to ambient influnence, the advantages such as reliable in quality.In addition, because rigid backbone has higher rigidity, structure is comparatively light, on-the-spot disposable integral lifting can connect consolidation fast to column top, can not arrange support or arrange a small amount of support during construction; Steel frame is held concurrently as template when concreting, and easy construction is less to ground Coherent traffic noise.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Cast-in-situs type Inverted T beam of embodiment one.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the cross-sectional structure schematic diagram of the rigid backbone of embodiment one.
Fig. 4 is the structural representation of the bridge pier of embodiment two.
Fig. 5 is the B-B cross-sectional view of Fig. 4.
Fig. 6 is the C-C cross-sectional view of Fig. 5.
Detailed description of the invention
Embodiment 1:
Fig. 1 is the structural representation of the Cast-in-situs type Inverted T beam of embodiment one, and Fig. 2 is the A-A cross-sectional view of Fig. 1.As depicted in figs. 1 and 2, this specific embodiment proposes a kind of Cast-in-situs type Inverted T beam 100, the concrete structure 120 comprising rigid backbone 110 and be cast in rigid backbone 110.Wherein, shown in composition graphs 3, rigid backbone 110 comprises lower baffle plate 111, overhead gage 112, junction plate 113 and side shield 114, lower baffle plate 111, overhead gage 112 and junction plate 113 are connected to form i-beam structure, side shield 114 is two pieces, the dual-side being separately positioned on lower baffle plate 111 extends upward, lower baffle plate 111, overhead gage 112, junction plate 113 is all identical with the length of Inverted T beam 100 with the length of side shield 114, the width of lower baffle plate 111 is identical with the bottom width of Inverted T beam 100, junction plate 113 height is identical with Inverted T beam 100 whole height, the width of overhead gage 112 is identical with the lug boss 130 upper surface width of Inverted T beam 100, the height of side shield 114 is highly identical with the flank 140 of Inverted T beam 100.
As the further detailed description of the invention of the present embodiment, lower baffle plate 111 offers the preformed hole (not shown) that the anchor bar for extending for column end face inserts.Lower baffle plate 111, overhead gage 112 and side shield 114 have extended to form crab-bolt 115 towards bent cap inside, exemplary, the present embodiment can adopt and be used as crab-bolt 115 at each baffle plate inner surface welding cylindrical head weldering nail, is conducive to the anchoring strength improved further between steel frame and concrete structure.Exemplary, the rigid backbone of the present embodiment is full steel structure, the prefabricated excision forming of each baffle plate block mounting design size, then carries out assembling the rigid backbone needed for being formed again at prefabricated scene or job site, finally lift after to column, then carry out building of concrete structure.
As the further detailed description of the invention of the present embodiment, the present embodiment also comprises some pieces of L-type stiffened steel plates 150, L-type stiffened steel plates 150 is vertically plugged on lower baffle plate 111 and junction plate 113, L-type stiffened steel plates 150 offers some through holes, conveniently wears reinforcing bar (reinforcing bar that the stain in Fig. 2 through hole wears after being).
Embodiment 2:
Fig. 4 is the structural representation of the bridge pier of embodiment two, and Fig. 5 is the B-B cross-sectional view of Fig. 4, and Fig. 6 is the C-C cross-sectional view of Fig. 5.As shown in Figures 4 to 6, the present embodiment proposes a kind of bridge pier, and comprise column 200 and Inverted T beam 100, Inverted T beam 100 is arranged on column 200.Wherein, Inverted T beam 100 is the Cast-in-situs type Inverted T beam described in embodiment one, the end face of column 200 is provided with a perforate steel facing 210, perforate steel facing 210 is fixedly connected with lower baffle plate 111, the end face of column 200 extends upward anchor bar 220, and anchor bar 220 is through concrete structure 120 anchor connection in perforate steel facing 210 and described preformed hole and rigid backbone 110.
Embodiment 3:
The present embodiment proposes a kind of Bridge Pier Construction technique, by reference to the accompanying drawings, comprises the following steps:
Step S101, in the rigid backbone 110 of prefabricated site prefabrication embodiment one, constructs the column 200 of described embodiment two at the construction field (site).
Step S102, is transported to job site by rigid backbone 110.
Step S103, adopt hanging device, be lifted on column 200 by rigid backbone 110 at the construction field (site), the anchor bar 220 on column 200 inserts in rigid backbone 110.
Step S104, is fixedly connected with the perforate steel facing 210 of column 200 end face with the lower baffle plate 111 of rigid backbone 110, as weld all around can be adopted to be fixedly connected with, by rigid backbone 110 temporary consolidation on column.
Step S105, is used as concrete-pouring template by rigid backbone 110, carries out building of concrete structure 120, form described bridge pier.
By above construction sequence, on-the-spot disposable integral lifting can connect consolidation fast to column top, do not arrange support can realize column end face anchor bar and stretch into steel frame, rigid backbone composite steel concrete bridge pier structure is formed with the concrete structure of after-pouring, complete building of concrete structure, realize bent cap and column is rigidly connected, complete the construction of bridge pier.
Of course, in a particular embodiment, described rigid backbone can also tensioned prestressing bar etc. as required in the process of concreting structure, if bent cap length is longer or construction needs also can be aided with a small amount of support and template, and construct according to the construction technology of formwork erection concreting on existing support or bracket, repeat no more herein.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. a Cast-in-situs type Inverted T beam, comprise rigid backbone and be cast in the concrete structure in described rigid backbone, described rigid backbone comprises lower baffle plate, overhead gage, junction plate and side shield, it is characterized in that: described lower baffle plate, overhead gage and junction plate are connected to form i-beam structure, described side shield is two pieces, the dual-side being separately positioned on described lower baffle plate extends upward, described lower baffle plate, overhead gage, junction plate is all identical with the length of described Inverted T beam with the length of side shield, the width of described lower baffle plate is identical with the bottom width of described Inverted T beam, described junction plate height is identical with described Inverted T beam whole height, the width of described overhead gage is identical with the lug boss upper surface width of described Inverted T beam, the height of described side shield is identical with the flank height of described Inverted T beam.
2. Cast-in-situs type Inverted T beam as claimed in claim 1, is characterized in that: described lower baffle plate offers the preformed hole that the anchor bar for extending for column end face inserts.
3. Cast-in-situs type Inverted T beam as claimed in claim 1, it is characterized in that: also comprise some pieces of L-type stiffened steel plates, described L-type stiffened steel plates is vertically plugged on described lower baffle plate and described junction plate.
4. Cast-in-situs type Inverted T beam as claimed in claim 3, is characterized in that: described L-type stiffened steel plates offers some through holes.
5. Cast-in-situs type Inverted T beam as claimed in claim 1, is characterized in that: described lower baffle plate, overhead gage and/or side shield have extended to form crab-bolt towards bent cap inside.
6. a bridge pier, comprises column and Inverted T beam, and described Inverted T beam is arranged on described column; It is characterized in that: described Inverted T beam is the Cast-in-situs type Inverted T beam described in any one of claim 1-5, the end face of described column is provided with a perforate steel facing, described perforate steel facing is fixedly connected with described lower baffle plate, described end face extends upward anchor bar, and described anchor bar is through the concrete structure anchor connection in described perforate steel facing and described preformed hole and described rigid backbone.
7. a Bridge Pier Construction technique, is characterized in that: comprise the following steps:
Step S101, rigid backbone according to claim 1 described in prefabricated site prefabrication, constructs described column according to claim 6 at the construction field (site);
Step S102, is transported to job site by described rigid backbone;
Step S103, adopts hanging device, is lifted on described column at the construction field (site) by described rigid backbone,
Anchor bar on described column inserts in described rigid backbone;
Step S104, is fixedly connected with the perforate steel facing of described column end face with the lower baffle plate of described rigid backbone;
Step S105, is used as concrete-pouring template by described rigid backbone, carries out building of concrete structure, forms bridge pier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310416246.2A CN103452039B (en) | 2013-09-13 | 2013-09-13 | Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof |
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| CN201310416246.2A CN103452039B (en) | 2013-09-13 | 2013-09-13 | Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof |
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| CN103452039A CN103452039A (en) | 2013-12-18 |
| CN103452039B true CN103452039B (en) | 2015-12-16 |
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| CN104018422B (en) * | 2014-06-18 | 2015-11-18 | 上海市城市建设设计研究总院 | For the wet seam construction of precast assembly pier column and bent cap connecting portion |
| CN109868753B (en) * | 2019-04-18 | 2024-03-12 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated assembled pier beam consolidation structure and construction method thereof |
| CN110130205A (en) * | 2019-04-22 | 2019-08-16 | 上海大学 | Assembled fashioned iron-Combined concrete bent cap |
| CN110396914A (en) * | 2019-07-11 | 2019-11-01 | 重庆大学 | U-shaped Steel Thin-Wall-prestressed concrete combination beam and its construction method |
| CN110396915A (en) * | 2019-07-11 | 2019-11-01 | 重庆大学 | U-shaped Steel Thin-Wall-prestress reinforcement Combined concrete bent cap and thin wall steel tube concrete pier stud joint structure and construction technology |
| CN110396916A (en) * | 2019-07-11 | 2019-11-01 | 重庆大学 | U-shaped Steel Thin-Wall-prestressed concrete combination bent cap and thin wall steel tube concrete pier stud joint structure and construction technology |
| CN110700102B (en) * | 2019-10-12 | 2024-01-09 | 重庆建工建筑产业技术研究院有限公司 | Construction method of pre-stress steel structure front-pull rear-lock cast-in-situ platform |
| CN111691290B (en) * | 2020-07-07 | 2021-10-29 | 中交一公局海威工程建设有限公司 | Beam and upright column butt joint method |
| CN112359711A (en) * | 2020-10-22 | 2021-02-12 | 山东高速集团有限公司 | Steel-concrete combined bent cap |
| CN113512929B (en) * | 2021-03-19 | 2022-10-25 | 宁波市政工程建设集团股份有限公司 | Steel-concrete combined structural hidden cover beam structure system and construction method thereof |
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| CN103452039A (en) | 2013-12-18 |
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Address after: 200011 Tibet South Road, Shanghai, No. 1170, No. Patentee after: Shanghai urban construction design & Research Institute (Group) Co., Ltd. Address before: 200011 Tibet South Road, Shanghai, No. 1170, No. Patentee before: Shanghai Urban Construction Design & Research Institute |