CN207027858U - A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape - Google Patents
A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape Download PDFInfo
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- CN207027858U CN207027858U CN201720417850.0U CN201720417850U CN207027858U CN 207027858 U CN207027858 U CN 207027858U CN 201720417850 U CN201720417850 U CN 201720417850U CN 207027858 U CN207027858 U CN 207027858U
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- pedestal
- sectional shape
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- precast beam
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Abstract
The utility model discloses a kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape, including two outboard end pedestals, two medial end pedestals and a master pedestal, end stand seat divides into Extended chemotherapy, each pedestal is made up of two parts, detachable, be combined into T beams and small box girder pedestal.The utility model is mainly to combine to form entirety by the small box girder pedestal of two kinds of different lengths and T beam pedestals, reaches and reduces pedestal and set, the purpose that reasonably optimizing Liang Chang is laid；Cost and resource have been saved simultaneously, are reduced the engineering time, have been accomplished to optimize pedestal in form on the basis of guarantee output.
Description
Technical field
Science of bridge building field is the utility model is related to, more particularly to a kind of post stretching for being applicable different length and cross sectional shape
Precast beam pedestal, a kind of post stretching precast beam pedestal used for highway, railway with precast beam field in municipal science of bridge building.
Background technology
With the fast development of China's economy, promote highway in China net, the railway network and urban road network constantly perfect,
Its Bridge serves vital effect.The prefabricated construction of bridge can reduce the duration, save production cost, therefore prefabricated
Liang Chang construction seems increasingly important.Pedestal is as the important component in prefabricated beam fabricating yard construction, often one in site operation
Type pedestal is applied to prefabricated single length or section form beam, adds Liang Chang floor space and engineering time, increases
Cost of investment.It is therefore proposed that a kind of new pedestal can meet the prefabricated of different length and cross sectional shape beam simultaneously, it appears outstanding
To be important.
Precasting yard pedestal is made of concrete cast-in-situ more, and compare steel pedestal, and concrete pedestal has that cost is low, safety
It is stable, it is simple in construction, it is easy for construction the characteristics of, but generally require certain Production Time.It is therefore proposed that a kind of new pedestal can
It is particularly important with reducing pedestal Production Time on the premise of construction requirement is met.
The bottom of beam, wherein small box girder in the form of prefabricated small box girder and T beams named respectively by respective cross sectional shape two kinds
Plate width is typically all wider than T beam base plate thickness, and the beam of two kinds of section forms is widely used in Bridges in Our Country construction.
Utility model content
The utility model aims to overcome that the single limitation of the service form of existing post stretching precast beam pedestal, there is provided
A kind of post stretching precast beam pedestal for being applicable different length, cross sectional shape, both accelerates speed of application, and cost-effective, efficient reality
With, it is safe and reliable.
The utility model is to solve the technical scheme that technical problem uses to be：
A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape, mainly include master pedestal and end stand seat,
Characterized in that, described end stand seat includes medial end pedestal and outboard end pedestal, master pedestal both ends are set in one respectively
Side end pedestal, the outside of each medial end pedestal set an outboard end pedestal respectively again, medial end pedestal and outer
Pedestal Extended chemotherapy is laid under the pedestal of side respectively, medial end pedestal, outboard end pedestal and master pedestal include T Liang Tai respectively
Seat and additional pedestal, described T beams pedestal and additional pedestal are arranged side by side and combine to form small box girder pedestal, described additional stations
Seat is easy dismounting structure, so as to realize that several different types are beam prefabricated on same pedestal according to engineering demand.
Further, the above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, the outboard end
Pedestal is arranged in master pedestal both ends outermost according to design requirement length, and both ends are arranged symmetrically, for prefabricated long beam.
Further, the above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, the medial end
Pedestal is arranged between outboard end pedestal and master pedestal according to design length requirement, and both ends are arranged symmetrically, for prefabricated short beam.
Further, the above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, in the master pedestal
Between place arrangement camber is asked according to design, master pedestal is arranged in pedestal middle according to design requirement length, belongs to two kinds of differences
The public pedestal of length precast beam.
Further, the above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, the T beams pedestal and
Separated between additional pedestal with geotextiles, and T beams pedestal and additional pedestal set some cross-tie holes along the identical spacing in longitudinal direction.
Further, the above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, the outboard end
The hole for hoist of pedestal, medial end pedestal and the longitudinally disposed gap 10cm length of adjacent of master pedestal is used to lift by crane precast beam.
Pedestal production order is followed successively by：T beam pedestals are first poured, including master pedestal and end pedestal, after-pouring adds pedestal composition
Small box girder pedestal.
The above-mentioned post stretching precast beam pedestal for being applicable different length and cross sectional shape, its application process step are as follows：
A, pedestal composition form, the segmentation of classifying rationally master pedestal and medial and lateral end stand seat are laid according to prefabricated beam length
Scope.
B, in pedestal preparation process, first T beam pedestals is poured by template, then pour one on T beam pedestals
The readily removable additional pedestal removed forms a small box girder pedestal.
C, the small box girder of progress different length is prefabricated and conserves.The larger precast beam both ends of length are on outboard end pedestal
Construct prefabricated, the less precast beam both ends of length carry out constructing prefabricated on medial end pedestal.
D, after the completion of the prefabricated work of whole small box girders, additional pedestal is removed, is transformed into T beam pedestals, carries out two kinds of differences
The prefabricated and maintenance of length T beams.
The beneficial effects of the utility model are：1st, compared with prior art, benefit of the present utility model is to optimize pedestal
Structure type, realize and meet four kinds of different lengths, beam prefabricated, the highly effective of different cross section form on a pedestal.2nd, this reality
There is the characteristics of safe and reliable with new, Extended chemotherapy is laid under the pedestal of end, ensures pedestal both ends during prestressed stretch-draw
Avoid producing excessive differential settlement.3rd, the utility model reduces beam field pedestal fabrication amount and precast beam engineering time,
Reasonably optimizing beam field Ground arrangement simultaneously, reduce construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of pedestal of the present utility model.
Fig. 2 is the small box girder pedestal sectional view of Section A-A in Fig. 1.
Fig. 3 is the T beam pedestal sectional views of Section A-A in Fig. 1.
Fig. 4 is section B-B figure in Fig. 1.
In figure：1st, outboard end pedestal, 2, medial extremity pedestal, 3, master pedestal, 4, hole for hoist, 5, after pour piece, 6, pedestal
Extended chemotherapy, 7, small box girder pedestal, 8, T beam pedestals, 9, additional pedestal, 10, channel-section steel, 11, pedestal steel plate, 12, tie rod hole, 13,
Rubber only starches bar.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As Figure 1-4, a kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape, mainly including main
Seat 3 and end stand seat, it is characterised in that described end stand seat includes medial end pedestal 2 and outboard end pedestal 1, the both ends of master pedestal 3
One medial end pedestal 2 is set respectively, the outside of each medial end pedestal 2 sets an outboard end pedestal 1 respectively again,
Lay pedestal Extended chemotherapy 6 under medial end pedestal 2 and outboard end pedestal 1 respectively, medial end pedestal 2, outboard end pedestal 1 with
And master pedestal 3 includes T beams pedestal 8 and additional pedestal 9 respectively, described T beams pedestal 8 and additional pedestal 9 are arranged side by side and combined
Small box girder pedestal 7 is formed, described additional pedestal 9 is easy dismounting structure, with geotechnique between the T beams pedestal 8 and additional pedestal 9
Cloth separates, and T beams pedestal 8 and additional pedestal 9 set cross-tie hole 12 along longitudinal pitch same distance, can be in same pedestal
On realize that several different types are beam prefabricated.
The outboard end pedestal 1 is arranged symmetrically in the both ends outermost of master pedestal 3 according to design requirement length, for prefabricated
The longer long beam of length.
The medial end pedestal 2 according to design length requirement be arranged symmetrically in outboard end pedestal 1 and master pedestal 3 it
Between, the short beam shorter for precast length.
Arrangement camber is sought in the middle of master pedestal 3 according to design, and master pedestal 3 is arranged in platform according to design requirement length
Seat middle, it is the public pedestal of multi-form precast beam.
The outboard end pedestal 1, medial end pedestal 2 and the longitudinally disposed gap 10cm length of adjacent of master pedestal 3
Hole for hoist 4, for lifting by crane precast beam.Pedestal production order is followed successively by：T beam pedestals are first poured, including master pedestal and end
Portion's pedestal；Additional pedestal composition small box girder pedestal is poured again.
Its specific application and site operation are described as follows：
Leveling first is rolled into place, foundation bearing capacity meets to require, and using more than C20 concrete hardenings place.Inside
Excavation of foundation pit is carried out in the range of outboard end pedestal Extended chemotherapy, reinforcing bar is installed, pours C30 concrete, pedestal is formed and expands base
Plinth 6.
T beam pedestal reinforcing bars are installed, pre-buried hard plastic tube forms tie rod hole 12, and pedestal longitudinal direction two sides are pre-buried to install channel-section steel 10,
Outwardly, upper leg is concordant with the top of pedestal concrete surface for channel-section steel opening direction level.Channel-section steel embeds 30mm × 30mm rubber and only starched
Bar 13, master pedestal 3 is according to design requirement in middle preset antiarch.Paint marks are used in pedestal longitudinal direction both sides every 10cm, are easy to
Control beam length.Pour C30 concrete and form T beams pedestal 8, maintenance shaping.
Pedestal top surface piecemeal laying 6mm steel plates 11 are as precast beam bottom template, wherein also being used at hole for hoist 4
The covering of 6mm steel plates is connected.Each steel plate joining place of pedestal should keep concordant.
Additional pedestal reinforcing bar is installed on T beams pedestal 8, pre-buried channel-section steel 10, spreading tie rod hole 12, pours after and is put at piece 5
Put geotextiles separating T beams pedestal 8 and additional pedestal 9.Then C30 concrete is poured, forms small box girder pedestal 7.
For the precast beam of two kinds of different cross section forms, prefabricated small box girder is first poured, and need selection different according to construction
Length beam carries out prefabricated.The Small Precast Box soffit of girder, bottom plate entirety framework of steel reinforcement are hoisted at pedestal by gantry, prefabricated small box girder
The symmetrically placed outboard end pedestal 1 in framework of steel reinforcement both ends or medial end pedestal 2, then carry out model sheetinstallat, roof steel bar is hung
It is prefabricated that peace, concreting, pre-stress construction etc. complete small box girder.
After the completion of small box girder is prefabricated, pedestal steel plate 11 is removed, additional pedestal is removed, forms T beam pedestals.Rubber only starches bar 13
Embed at poor steel 10, and lay the 6mm steel plates 11 of dimension, complete conversion of the small box girder pedestal 7 to T beams pedestal 8.
T beam reinforcement cages are hoisted at pedestal by gantry, and need selection different length beam to carry out in advance according to construction
System.The symmetrically placed both ends outboard end pedestal 1 of T beam reinforcement cages or medial end pedestal 2, then carry out model sheetinstallat, top plate
It is beam prefabricated that reinforcing bar hangs the completion such as peace, concreting, prestress engineering T.
Claims (6)
1. a kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape, mainly include master pedestal and end stand seat, its
It is characterised by, described end stand seat includes medial end pedestal and outboard end pedestal, and master pedestal both ends set an inner side respectively
End pedestal, the outside of each medial end pedestal set an outboard end pedestal, medial end pedestal and outside respectively again
Pedestal Extended chemotherapy is laid under end stand seat respectively, medial end pedestal, outboard end pedestal and master pedestal include T beam pedestals respectively
With additional pedestal, described T beams pedestal and additional pedestal are arranged side by side and combine to form small box girder pedestal, described additional pedestal
For Demountable.
2. the post stretching precast beam pedestal according to claim 1 for being applicable different length and cross sectional shape, it is characterised in that：
The outboard end pedestal is arranged in master pedestal both ends outermost according to design requirement length, and both ends are arranged symmetrically, for prefabricated
Long beam.
3. the post stretching precast beam pedestal according to claim 1 for being applicable different length and cross sectional shape, it is characterised in that：
The medial end pedestal is arranged between outboard end pedestal and master pedestal according to design length requirement, and both ends are arranged symmetrically,
For prefabricated short beam.
4. the post stretching precast beam pedestal according to claim 1 for being applicable different length and cross sectional shape, it is characterised in that：
The master pedestal middle arrangement camber is asked according to design.
5. the post stretching precast beam pedestal according to claim 1 for being applicable different length and cross sectional shape, it is characterised in that：
Separated between the T beams pedestal and additional pedestal with geotextiles, and if the identical spacing setting of T beams pedestal and additional pedestal edge longitudinal direction
Dry cross-tie hole.
6. the post stretching precast beam pedestal according to claim 1 for being applicable different length and cross sectional shape, it is characterised in that：
The hole for hoist of the outboard end pedestal, medial end pedestal and the longitudinally disposed gap 10cm length of adjacent of master pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417850.0U CN207027858U (en) | 2017-04-20 | 2017-04-20 | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417850.0U CN207027858U (en) | 2017-04-20 | 2017-04-20 | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207027858U true CN207027858U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720417850.0U Expired - Fee Related CN207027858U (en) | 2017-04-20 | 2017-04-20 | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
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| CN (1) | CN207027858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976157A (en) * | 2017-04-20 | 2017-07-25 | 南昌大学 | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
-
2017
- 2017-04-20 CN CN201720417850.0U patent/CN207027858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976157A (en) * | 2017-04-20 | 2017-07-25 | 南昌大学 | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200420 |