CN107299589A - A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap - Google Patents
A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap Download PDFInfo
- Publication number
- CN107299589A CN107299589A CN201710560030.1A CN201710560030A CN107299589A CN 107299589 A CN107299589 A CN 107299589A CN 201710560030 A CN201710560030 A CN 201710560030A CN 107299589 A CN107299589 A CN 107299589A
- Authority
- CN
- China
- Prior art keywords
- pier
- precast beam
- bed die
- cap
- hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the bed die system and its construction method that a kind of precast beam supports hollow pier pier cap, it is related to field of bridge construction, including pier shaft, precast beam and pier cap, the pier shaft is hollow, and opening is provided with the top of the pier shaft；It includes supporting plate and multiple support beams, the support beam is supported in the opening, and the support plate level is connected to the support beam and covers or cover the opening substantially；The pier cap is supported on the precast beam, the present invention can pour without progress is secondary by setting a precast beam to be used as bed die system at opening, be done directly the continuous construction to pier cap, the duration is shortened, the characteristics of precast beam has clear and definite simple for structure, stress and low cost.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of bed die system of precast beam support hollow pier pier cap and
Its construction method.
Background technology
Current Loads of Long-span Bridges, high-speed rail bridge, being designed as high pier shaft the bridge pier of Bridges in Mountainous Areas more, and for the expense of saving, it is high
Hollow pier being used pier shaft, the pier cap of the bridge pier is solid more.Hollow pier is needed to set bed die when constructing pier cap, and general bed die is adopted
With setting prefabricated board to be arranged at the top of pier shaft, then it is secondary after pour bed die system formed at the top of pier shaft；Poured using prefabricated board is secondary
The mode consolidated with pier shaft, has that plank frame fulcrum shearing is big and the indefinite feature of stress, and pours after the pier shaft top such as needing
Band reaches the pier cap that could further be constructed after some strength, delays the duration.
The content of the invention
For defect present in prior art, hollow pier pier is supported it is an object of the invention to provide a kind of precast beam
The bed die system of cap, with simple for structure, stress clearly and can continuously construct pier cap the characteristics of.
To achieve the above objectives, the present invention is adopted the technical scheme that：A kind of precast beam supports the bottom of hollow pier pier cap
Modular system, it is characterised in that including：
Pier shaft, the pier shaft is hollow, and opening is provided with the top of the pier shaft；
Precast beam, it includes supporting plate and multiple support beams, and the support beam is supported in the opening, the supporting plate
Level is connected to the support beam and covers or cover the opening substantially；
Pier cap, the pier cap is supported on the precast beam.
On the basis of above-mentioned technical proposal, the precast beam is provided with a perforate.
On the basis of above-mentioned technical proposal, the pier cap enters manhole provided with one, it is described enter people hole site opened with described
Hole is correspondingly arranged.
On the basis of above-mentioned technical proposal, the precast beam includes multiple son supports being located between adjacent supports beam
Plate, the supporting plate is collectively forming by multiple sub- supporting plates.
On the basis of above-mentioned technical proposal, the sub- supporting plate is semicircle, rectangle or trapezoidal.
On the basis of above-mentioned technical proposal, it is provided with multiple grooves, each groove and at least accommodates at the opening
A part for the support beam
The present invention also provides the bed die system that a kind of precast beam according to above-mentioned technical proposal supports hollow pier pier cap
System construction method, comprises the following steps：
S1, the prefabricated prefabricated precast beam；
S2, modeling pour the pier shaft, to pier shaft form removal and carry out scum silica frost cleaning；
S3, the precast beam lifted to the overthe openings, and make that the supporting plate is covered or basic covering is described
Opening；
S4, pier cap is poured on the supporting plate.
On the basis of above-mentioned technical proposal, prefabricated in step sl precast beam is provided with perforate wherein described in one.
On the basis of above-mentioned technical proposal, in step s 4, a side form is installed based on the perforate, makes to pour shape
Into pier cap be provided with and relative with the perforate enter manhole.
On the basis of above-mentioned technical proposal, in step S1 when pouring the pier shaft, reserved at the opening some
Groove, can be such that a support beam part for the precast beam is placed in the groove.
Compared with prior art, the advantage of the invention is that：
(1) a kind of precast beam of the invention supports the bed die system of hollow pier pier cap, one pre- by being set at opening
Beam slab processed can pour without progress is secondary as bed die system, be done directly the continuous construction to pier cap, shorten the duration,
The precast beam is in stress, and vertical load is first delivered to supporting plate, then is delivered to support beam by supporting plate, with structure letter
Clean, stress is clear and definite and the characteristics of low cost.
(2) multiple grooves are provided with opening, preferably precast beam can be positioned, it is to avoid the peace of precast beam
Wrongly installed mistake, and ensure that the position of precast beam in subsequent construction is fixed.
Brief description of the drawings
Fig. 1 is the top view of hollow pier shaft in the embodiment of the present invention；
Fig. 2 is the structural representation of precast beam in the embodiment of the present invention；
Fig. 3 is hollow pier shaft sectional view in the embodiment of the present invention.
In figure：1- precast beams, 10- supporting plates, 11- supporting plates, 12- support beams, 13- perforates, 2- pier shafts, 20- is opened
Mouthful, 21- grooves.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides the bed die system that a kind of precast beam supports hollow pier pier cap
System, including precast beam 1, pier shaft 2 and pier cap, the pier shaft 2 are hollow, and the top of pier shaft 2 is provided with opening 20, precast beam 1
Including supporting plate 11 and multiple support beams 12, support beam 12 is supported in opening 20, and the level of supporting plate 11 is connected to support beam 12
And cover or cover the opening 20 substantially, wherein, the implication covered substantially is that area coverage is sufficiently large can supported with meeting
Stirrup is provided with construction pier cap, support beam 12 on plate, the ability of the resistance shearing of precast beam 1 can be improved, wherein, in advance
Beam slab 1 processed includes multiple sub- supporting plates 10 being located between adjacent supports beam 12, and supporting plate 11 is common by many sub- supporting plates 10
Formed, sub- supporting plate 10 is semicircle, rectangle or trapezoidal, can determine sub- supporting plate according to the cross sectional shape of the hollow bulb of pier shaft 2
10 shape, the section of hollow bulb is nose circle shape, rectangle or it is trapezoidal when, two-terminal supporting plate 10 be respectively semicircle, rectangle or
Trapezoidal, center section is rectangle, and this kind of precast beam 1 disclosure satisfy that the construction of hollow pier of different shapes.
Referring to shown in Fig. 1, Fig. 3, pier cap is supported on precast beam 1, and a precast beam 1 is provided with a perforate 13, pier cap
Enter manhole provided with one, enter people hole site and be correspondingly arranged with perforate 13, be provided with opening 20 in multiple grooves 21, each groove 21
A part for support beam 12 is at least accommodated, preferably precast beam 1 can be positioned, it is to avoid the installation of precast beam 1 is wrong
Miss, and ensure that the position of precast beam 1 in subsequent construction is fixed, mortar leveling is used between support beam 12 and groove 21, is protected
The many sub- supporting plates 10 that card is set are in same level, make the uniform force of precast beam 1, precast beam can be significantly increased
The service life of plate 1.
The present invention can be poured by setting a precast beam 1 to be used as bed die system at opening 20 without progress is secondary,
The subsequent construction to pier cap is done directly, the Bridge Pier Construction duration is shortened, the precast beam 1 is in stress, and vertical load is first passed
Supporting plate is delivered to, then support beam is delivered to by supporting plate, with simple for structure, stress is clear and definite and the characteristics of low cost.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention also provides the bed die system that a kind of precast beam supports hollow pier pier cap
System construction method, comprises the following steps：
S1, prefabricated precast beam 1；
S2, modeling pour pier shaft 2, to the form removal of pier shaft 2 and carry out scum silica frost cleaning；
S3, precast beam 1 lifted to the top of opening 20, and supporting plate 11 is covered or covering opening 20 substantially；
S4, in supporting plate 11 pour pier cap.
Wherein, a prefabricated wherein precast beam 1 is provided with perforate 13 in step sl, in step s 4, is with perforate 13
A side form is installed on basis, is made to pour the pier cap to be formed and is provided with and relative with the perforate 13 enters manhole；Pier is being poured in step S1
During body 2, some grooves 21 are reserved at opening 20, the part of support beam 12 of precast beam 1 can be made to be placed in groove 21.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of precast beam supports the bed die system of hollow pier pier cap, it is characterised in that including：
Pier shaft (2), the pier shaft (2) is hollow, and opening (20) is provided with the top of the pier shaft (2)；
Precast beam (1), it includes supporting plate (11) and multiple support beams (12), and the support beam (12) is supported in the opening
(20), supporting plate (11) level be connected to the support beam (12) and cover or cover substantially it is described opening (20)；
Pier cap, the pier cap is supported on the precast beam (1).
2. a kind of precast beam as claimed in claim 1 supports the bed die system of hollow pier pier cap, it is characterised in that：It is described pre-
Beam slab (1) processed is provided with a perforate (13).
3. a kind of precast beam as claimed in claim 2 supports the bed die system of hollow pier pier cap, it is characterised in that：The pier
Cap enters manhole provided with one, it is described enter people hole site be correspondingly arranged with the perforate (13).
4. a kind of precast beam as claimed in claim 1 supports the bed die system of hollow pier pier cap, it is characterised in that：It is described pre-
Beam slab (1) processed includes multiple sub- supporting plates (10) being located between adjacent supports beam (12), and the supporting plate (11) is by multiple institutes
Sub- supporting plate (10) is stated to be collectively forming.
5. a kind of precast beam as claimed in claim 4 supports the bed die system of hollow pier pier cap, it is characterised in that：The son
Supporting plate (10) is semicircle, rectangle or trapezoidal.
6. a kind of precast beam as claimed in claim 1 supports the bed die system of hollow pier pier cap, it is characterised in that：It is described to open
Mouth (20) place is provided with the part that the support beam (12) are at least accommodated in multiple grooves (21), each groove (21).
7. a kind of basis precast beam as claimed in claim 1 supports the bed die system construction method of hollow pier pier cap, it is special
Levy and be, comprise the following steps：
S1, the prefabricated precast beam (1)；
S2, modeling pour the pier shaft (2), to pier shaft (2) form removal and carry out scum silica frost cleaning；
S3, by the precast beam (1) lifting to it is described opening (20) above, and make the supporting plate (11) cover or cover substantially
The lid opening (20)；
S4, in supporting plate (11) pour pier cap.
8. a kind of precast beam as claimed in claim 7 supports the bed die system construction method of hollow pier pier cap, its feature exists
In：Prefabricated precast beam wherein described in one (1) is provided with perforate (13) in step sl.
9. a kind of precast beam as claimed in claim 8 supports the bed die system construction method of hollow pier pier cap, its feature exists
In：In step s 4, a side form is installed based on the perforate (13), makes to pour the pier cap to be formed and be provided with and the perforate
(13) it is relative to enter manhole.
10. a kind of precast beam as claimed in claim 7 supports the bed die systems approach of hollow pier pier cap, it is characterised in that：
In step S1 when pouring the pier shaft (2), some grooves (21) are reserved at described opening (20) place, the precast beam can be made
(1) support beam (12) part is placed in the groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560030.1A CN107299589A (en) | 2017-07-11 | 2017-07-11 | A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560030.1A CN107299589A (en) | 2017-07-11 | 2017-07-11 | A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107299589A true CN107299589A (en) | 2017-10-27 |
Family
ID=60134248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560030.1A Pending CN107299589A (en) | 2017-07-11 | 2017-07-11 | A kind of precast beam supports the bed die system and its construction method of hollow pier pier cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110437A (en) * | 2022-08-12 | 2022-09-27 | 中国十九冶集团有限公司 | Construction method of bottom template of solid section of hollow thin-wall pier |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190317A (en) * | 2002-12-11 | 2004-07-08 | Yuudai Takano | Building method of capital of hollow pier |
| JP2006225961A (en) * | 2005-02-17 | 2006-08-31 | Fuji Ps Corp | Pier head structure and its construction method |
| CN103194971A (en) * | 2013-03-29 | 2013-07-10 | 中国水电建设集团铁路建设有限公司 | Capping construction method for hollow pier |
| CN203487469U (en) * | 2013-10-11 | 2014-03-19 | 上海外经集团控股有限公司 | Bottom die prefabricated plate of hollow pier body |
| CN205259072U (en) * | 2015-12-22 | 2016-05-25 | 中铁三局集团有限公司 | Hollow mound of railway formwork support system that binds |
| CN105672139A (en) * | 2016-04-14 | 2016-06-15 | 中铁二局集团有限公司 | Hollow bridge pier capping construction method |
| CN106120544A (en) * | 2016-08-22 | 2016-11-16 | 中交第二航务工程局有限公司 | A kind of device bound for hollow pier and construction method |
| CN207032014U (en) * | 2017-07-11 | 2018-02-23 | 中铁大桥局集团第二工程有限公司 | A kind of bed die system of precast beam support hollow pier pier cap |
-
2017
- 2017-07-11 CN CN201710560030.1A patent/CN107299589A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190317A (en) * | 2002-12-11 | 2004-07-08 | Yuudai Takano | Building method of capital of hollow pier |
| JP2006225961A (en) * | 2005-02-17 | 2006-08-31 | Fuji Ps Corp | Pier head structure and its construction method |
| CN103194971A (en) * | 2013-03-29 | 2013-07-10 | 中国水电建设集团铁路建设有限公司 | Capping construction method for hollow pier |
| CN203487469U (en) * | 2013-10-11 | 2014-03-19 | 上海外经集团控股有限公司 | Bottom die prefabricated plate of hollow pier body |
| CN205259072U (en) * | 2015-12-22 | 2016-05-25 | 中铁三局集团有限公司 | Hollow mound of railway formwork support system that binds |
| CN105672139A (en) * | 2016-04-14 | 2016-06-15 | 中铁二局集团有限公司 | Hollow bridge pier capping construction method |
| CN106120544A (en) * | 2016-08-22 | 2016-11-16 | 中交第二航务工程局有限公司 | A kind of device bound for hollow pier and construction method |
| CN207032014U (en) * | 2017-07-11 | 2018-02-23 | 中铁大桥局集团第二工程有限公司 | A kind of bed die system of precast beam support hollow pier pier cap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110437A (en) * | 2022-08-12 | 2022-09-27 | 中国十九冶集团有限公司 | Construction method of bottom template of solid section of hollow thin-wall pier |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171027 |
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| RJ01 | Rejection of invention patent application after publication |