CN207062781U - A kind of simple prestressed concrete beam bilayer deposits beam pedestal - Google Patents
A kind of simple prestressed concrete beam bilayer deposits beam pedestal Download PDFInfo
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- CN207062781U CN207062781U CN201720905168.6U CN201720905168U CN207062781U CN 207062781 U CN207062781 U CN 207062781U CN 201720905168 U CN201720905168 U CN 201720905168U CN 207062781 U CN207062781 U CN 207062781U
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- pad stone
- deposits
- pedestal
- prestressed concrete
- bilayer
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Abstract
The simple prestressed concrete beam bilayer that the utility model is related to a kind of swelled ground area deposits beam pedestal, it is a kind of large-tonnage prestressed concrete box girder storage facility, beam pad stone and four rubber blankets are deposited including four bored concrete piles, two cushion caps, four, deposit on beam pad stone using 500mm × 500mm × 50mm rubber blanket as beam bottom and the cushion for depositing beam pad stone, depositing beam pad stone center spacing for 4 is：Horizontal 4.4m, longitudinal 29.6m~30.1m.Cushion cap and to deposit beam pad stone be reinforced concrete structure, the appearance and size for depositing beam pad stone is 700mm × 700mm, is highly 600mm~800mm, hardens area Turf Culture in non-concrete and sets 1% weathering, it is therefore an objective to prevents rainwater from largely permeating the ground.This kind of structure bilayer deposits that beam Precasting Pedestal Construction is simple, and manufacturing cost is low, highly reliable, suitable for swelled ground area and can meet that span is 32m simple supported box beams（900t/ Pin beams）Bilayer deposit beam requirement.
Description
Technical field
It the utility model is related to a kind of simple prestressed concrete beam bilayer and deposit beam pedestal, it is a kind of swelled ground area
Simple prestressed concrete beam bilayer deposit beam pedestal, i.e., it is a kind of large-tonnage prestressed concrete box girder storage facility,
Belong to railway engineering field.
Background technology
At present, as the fast development of China's economy and society, infrastructure construction are maked rapid progress, bridge construction technology is not
Disconnected to improve, special line for passenger trains, high-speed railway are more and more built in the complicated area of geologic structure, by the shadow of geological conditions
Ring, difficulty of construction is big.Special line for passenger trains, high-speed railway prestressed simple supported box beam list Pin beams it is most from focus on 700t-900t it
Between, it is higher to depositing beam pedestal foundation requirement during concentration pre-casting, especially for save the area beam is deposited using bilayer when to depositing
The basement process of beam pedestal is particularly important.Different geological conditions needs different processing modes, particularly swelled ground etc.
By the area that external influence factor is larger.
The content of the invention
The purpose of this utility model is to overcome prior art insufficient, there is provided a kind of construction is simple, manufacturing cost is low, reliably
Property simple prestressed concrete beam bilayer that is strong and being applicable special geological structure deposit beam pedestal；To solve under special geologic condition
Swelled ground area large-tonnage prestressing force simple supported box beam bilayer deposits beam problem, to meet span as 32m simple supported box beams（900 tons/Pin
Beam）Bilayer deposit beam requirement.
The utility model and technical scheme：A kind of simple prestressed concrete beam bilayer deposits beam pedestal, it is characterised in that
The described simple prestressed concrete beam bilayer deposits beam pedestal and deposits beam pad stone, four bored concrete piles including two cushion caps, two
With four rubber blankets, wherein, bored concrete pile both ends are connected with cushion cap；Set on cushion cap and deposit beam pad stone, this is deposited is set on beam pad stone
Rubber blanket, simple prestressed concrete beam are stored on the rubber blanket on beam pad stone.
The described appearance and size for depositing beam pad stone is 700mm × 700mm, is highly 600mm~800mm, between transverse center
Away from being 29.6m~30.1m for 4.4m, longitudinal center's spacing.It is reinforced concrete structure to deposit beam pad stone, is each deposited above beam pad stone
Both ends are respectively provided with a rubber blanket.Deposit beam pad stone top surface relative relief for 4 and be less than 2mm, total bearing capacity is not less than 18000KN.
Described bored concrete pile is rotary digging drilling hole bored concrete pile structure, i.e., bored concrete pile is diameter 800mm rotary digging drilling hole bored concrete pile
Structure, bored concrete pile are connected with cushion cap.Strength grade of concrete uses C30, improves a grade during underwater casting, stake supports power
Layer is middle weathering marl or apoplexy ashing rock.Bored concrete pile both ends are connected with cushion cap, and pile foundation reinforcing bar is stretched into cushion cap, with holding
Platform reinforcing bar colligation is linked to be an entirety.
Described cushion cap is transverse connection structure, and being respectively provided with one above each cushion cap deposits beam pad stone.Cushion cap uses intensity
Grade is C30 reinforced concrete structure, width 1.2m, length 6m, is highly 1.2m, cushion cap top surface and place ground elevation are neat
It is flat.
Described cushion cap is provided with and deposits beam pad stone, deposits beam pad stone and uses C50 reinforced concrete structures, deposits and used on beam pad stone
500mm × 500mm × 50mm rubber blanket, rubber blanket is as beam bottom and the cushion for depositing beam pad stone.
The utility model hardens area Turf Culture and set in non-concrete imports draining more than 1% weathering by rainwater
Ditch, prevent rainwater from largely permeating the ground, ensure foundation capability.
In summary, the utility model construction is simple, manufacturing cost is low, highly reliable, suitable for swelled ground area and energy
Meet that the bilayer that span is 32m simple supported box beams deposits beam requirement.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model；
Fig. 2 is overlooking the structure diagram of the present utility model；
Fig. 3 is left view structural representation of the present utility model；
In figure：1- cushion caps, 2- deposit beam pad stone, 3- bored concrete piles, 4- rubber blankets.
Embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of simple prestressed concrete beam bilayer deposits beam pedestal, it is characterised in that described prestressed concrete letter
Branch box girder double-layer girder storing pedestal deposits 2, four bored concrete piles 3 of beam pad stone and four rubber blankets 4 including two cushion caps 1, two, wherein,
The both ends of bored concrete pile 3 are connected with cushion cap 1；Set on cushion cap 1 and deposit beam pad stone 2, this deposits setting rubber blanket 4, prestressing force on beam pad stone 2
Concrete simple supported box beam is stored on the rubber blanket 4 on beam pad stone 2.
The described appearance and size for depositing beam pad stone 2 is 700mm × 700mm, is highly 600mm~800mm, between transverse center
Away from being 29.6m~30.1m for 4.4m, longitudinal center's spacing.It is reinforced concrete structure to deposit beam pad stone 2, is each deposited on beam pad stone 2
Square both ends are respectively provided with a rubber blanket 4.Deposit beam pad stone top surface relative relief for 4 and be less than 2mm, total bearing capacity is not less than 18000KN.
Described bored concrete pile 3 is rotary digging drilling hole bored concrete pile structure, i.e., the rotary digging drilling hole that bored concrete pile 3 is diameter 800mm irrigates
Pilework, bored concrete pile 3 are connected with cushion cap 1.Strength grade of concrete uses C30, improves a grade, stake end during underwater casting
Supporting course is middle weathering marl or apoplexy ashing rock.The both ends of bored concrete pile 3 are connected with cushion cap 1, and pile foundation reinforcing bar stretches into cushion cap
It is interior, it is linked to be an entirety with cushion cap reinforcing bar colligation.
Described cushion cap 1 is transverse connection structure, and each top of cushion cap 1 is respectively provided with one and deposits beam pad stone 2.Cushion cap 1 uses
Strength grade is C30 reinforced concrete structure, width 1.2m, length 6m, is highly 1.2m, the top surface of cushion cap 1 and place ground
Absolute altitude flushes.
Described cushion cap 1 is provided with and deposits beam pad stone 2, deposits beam pad stone 2 and uses C50 reinforced concrete structures, deposits on beam pad stone 2
Using 500mm × 500mm × 50mm rubber blanket 4, rubber blanket 4 is as beam bottom and the cushion for depositing beam pad stone 2.
This simple prestressed concrete beam bilayer deposits beam pedestal and hardens area Turf Culture in non-concrete and set big
In 1% weathering by rainwater import gutter, prevent rainwater from largely permeating the ground, ensure foundation capability.The utility model is applied
Work is simple, and manufacturing cost is low, highly reliable, suitable for swelled ground area and can meet that the bilayer that span is 32m simple supported box beams is deposited
Beam requirement.
Claims (5)
1. a kind of simple prestressed concrete beam bilayer deposits beam pedestal, it is characterised in that described prestressed concrete freely-supported case
Girder double-layer girder storing pedestal includes two cushion caps（1）, two deposit beam pad stone（2）, four pieces bored concrete piles（3）With four rubber blankets（4）, its
In, bored concrete pile（3）Both ends and cushion cap（1）It is connected；Cushion cap（1）Beam pad stone is deposited in upper setting（2）, this deposits beam pad stone（2）Upper setting
Rubber blanket（4）, simple prestressed concrete beam is stored in beam pad stone（2）On rubber blanket（4）On.
2. a kind of simple prestressed concrete beam bilayer according to claim 1 deposits beam pedestal, it is characterised in that described
Deposit beam pad stone（2）Appearance and size be 700mm × 700mm, be highly 600mm~800mm, transverse center spacing is 4.4m,
Longitudinal center's spacing is 29.6m~30.1m, deposits beam pad stone（2）For reinforced concrete structure, beam pad stone is each deposited（2）Top two
End is respectively provided with a rubber blanket（4）.
3. a kind of simple prestressed concrete beam bilayer according to claim 1 deposits beam pedestal, it is characterised in that described
Cushion cap（1）For transverse connection structure, each cushion cap（1）Top is respectively provided with one and deposits beam pad stone（2）.
4. a kind of simple prestressed concrete beam bilayer according to claim 1 deposits beam pedestal, it is characterised in that described
Bored concrete pile（3）For rotary digging drilling hole bored concrete pile structure, bored concrete pile（3）With cushion cap（1）It is connected.
5. a kind of simple prestressed concrete beam bilayer according to claim 1 deposits beam pedestal, it is characterised in that described
Rubber blanket（4）Appearance and size is 500mm × 500mm × 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905168.6U CN207062781U (en) | 2017-07-25 | 2017-07-25 | A kind of simple prestressed concrete beam bilayer deposits beam pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905168.6U CN207062781U (en) | 2017-07-25 | 2017-07-25 | A kind of simple prestressed concrete beam bilayer deposits beam pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207062781U true CN207062781U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720905168.6U Active CN207062781U (en) | 2017-07-25 | 2017-07-25 | A kind of simple prestressed concrete beam bilayer deposits beam pedestal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359375A (en) * | 2019-08-02 | 2019-10-22 | 广州瀚阳工程咨询有限公司 | The construction method of precast segment girder precast field under a kind of bridge |
| CN115419098A (en) * | 2022-10-14 | 2022-12-02 | 中铁七局集团有限公司 | Beam yard intermediate station and construction method thereof |
-
2017
- 2017-07-25 CN CN201720905168.6U patent/CN207062781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359375A (en) * | 2019-08-02 | 2019-10-22 | 广州瀚阳工程咨询有限公司 | The construction method of precast segment girder precast field under a kind of bridge |
| CN115419098A (en) * | 2022-10-14 | 2022-12-02 | 中铁七局集团有限公司 | Beam yard intermediate station and construction method thereof |
| CN115419098B (en) * | 2022-10-14 | 2023-10-27 | 中铁七局集团有限公司 | Beam manufacturing field intermediate station and construction method thereof |
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