CN205999802U - A kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support - Google Patents
A kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support Download PDFInfo
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- CN205999802U CN205999802U CN201620582039.3U CN201620582039U CN205999802U CN 205999802 U CN205999802 U CN 205999802U CN 201620582039 U CN201620582039 U CN 201620582039U CN 205999802 U CN205999802 U CN 205999802U
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Abstract
A kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe post, connector of finish rolling thread steel, fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, feed-through hydraulic jack, upper top bearing beam, counter-force lower nut, top nut；Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and lays longitudinal distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Bailey beam reaction frame is installed in longitudinal distribution beam, lays shaped steel reaction beam；Counter-force lower nut is penetrated in fining twisted steel in bottom, feed-through hydraulic jack, and is positioned on shaped steel reaction beam, and top is equipped with top bearing beam and top nut.The utility model advantage：Reduce the security risk of construction, pre-press equipment is simple, processing ease, precompressed weight accurately and reliably, with preferable economic benefit and social benefit.
Description
Technical field
The utility model is related to bridge construction field of tool, and more particularly to a kind of continuous bridge zero number section, Cast-in-Situ Segment is propped up
The new prepressing device of frame.
Background technology
In the continuous beam bridge construction, zero number section, Cast-in-place Segment Support precompressed are indispensable critical construction links.Support is many
Using steel pipe as bearing column, cross member, distribution longeron and template collectively constitute bottom board system, and structure is single, and construction is complicated, peace
Full property is poor, it is impossible to meet use demand.Non-resilient and elastic deformation can be produced in load action lower carriage, precompressed is checking bracket
Intensity, rigidity and stability effective means, and determine the adjusted value of template elevation of bottom by precompressed.
Utility model content
The purpose of this utility model is that spy provides a kind of continuous bridge in order to improve efficiency, reduce construction safety risk
The new prepressing device of zero number section, Cast-in-place Segment Support.
The utility model provides a kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：
Described continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe stand
Post, connector of finish rolling thread steel, fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, wear
Core type hydraulic jack, upper top bearing beam, counter-force lower nut, top nut；
Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and spreads
If longitudinal distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Install in longitudinal distribution beam
Bailey beam reaction frame, lays shaped steel reaction beam；Counter-force lower nut penetrates fining twisted steel in bottom, feed-through hydraulic jack
In, and be positioned on shaped steel reaction beam, top is equipped with top bearing beam and top nut.
Described fining twisted steel is pre-buried in advance in bearing platform construction, and fining twisted steel is connect using connector in precompressed
Long to cradle top, when the embedding anchorage length of fining twisted steel meets maximum stretching force pre-buried fining twisted steel be not pulled out,
Pre-buried fining twisted steel position need to be determined in conjunction with support distribution beam arrangement form.
Bailey beam reaction frame is connected using U-shaped reinforced bar fastener with longitudinal distribution beam, and U-shaped reinforced bar fastener spacing is not more than
30cm.
All there is triangle space between described rack beam and longitudinal distribution beam, Bailey beam reaction frame and shaped steel reaction beam
Cannot be closely connected, actual is linear contact lay；The triangle backing plate being fabricated to using 20mm steel plate is placed in therebetween, increases its stability simultaneously
Become linear contact lay to contact into face；
Longitudinal distribution beam is welded to connect with reserved steel plate in pier top anchoring temporarily so as to which superstructure is solid and reliable；Type
Steel reaction beam is two groups of I-steel or shaped steel part, and using 10mm thickness steel batten plate connection between two groups, batten plate spacing is not more than 50cm, wears
Core type hydraulic jack withstands on the correspondence position of shaped steel reaction beam placement, and its shaped steel counter-force web should add gusset；Punching liquid
In tensioning fining twisted steel, when symmetrical and multiple stage feed-through hydraulic jack works asynchronously, stretching force keeps pressure jack
Unanimously, it is ensured that the symmetrical synchronization precompressed in both sides in zero number section pre-pressing bracket.
Pre-buried fining twisted steel in described cushion cap, constructs after pier stud and support is set up after finishing, fining twisted steel is connected
Rack platform top is connected to, then reaction frame, reaction beam are installed, using jack tension fining twisted steel, fining twisted steel is produced
Raw pulling force passes to support by reaction beam, reaction frame and realizes pre-pressing bracket.
Described a thousand pieces of gold top is feed-through hydraulic a thousand pieces of gold top, and quantity is no less than four, even numbers, and tensioning wants both sides symmetrically same
Step tensioning.
The fining twisted steel is buried some in bearing platform construction, and the embedding position of every fining twisted steel should be the bottom of with longitudinally point
Join space between beam to correspond to, be beneficial to later stage fining twisted steel and pass through from bed die system.
The reaction frame adopts truss structure part.
The reaction beam is welded into box-shaped structural member using shaped steel and steel plate.
Advantage of the present utility model：
Continuous bridge zero number section described in the utility model, the new prepressing device of Cast-in-place Segment Support, eliminate traditional precompressed
Sand pocket, concrete precast block and water bag Production Time and cost, reduce the security risk of construction, and pre-press equipment is simple, operation
Easily, accurately and reliably, pre-press equipment assembling and disassembling is using construction tower crane, it is not necessary to which in addition special configuration is large-scale for precompressed weight
Crane, with preferable economic benefit and social benefit.Simple structure, novelty, stress clearly, can reduce construction safety wind
Danger, precompressed is simple to operate, and pre-press equipment assembling and disassembling is using construction tower crane, it is not necessary to the other large-scale crane of special configuration,
Precompressed work is more quickly finished.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model：
Fig. 1 is the utility model prepressing structure side elevational view；
Fig. 2 is the utility model prepressing structure front elevation view；
Fig. 3 is jack tension tensioning fining twisted steel back-pressure support fundamental diagram；
Description of reference numerals：
1- cushion cap；Pre-buried fining twisted steel in 2- cushion cap；3- pier stud；
4- steel pipe post；5- connector of finish rolling thread steel；6- fining twisted steel；
7- rack beam；8- longitudinal direction distribution beam；9- Bailey beam reaction frame；
10- shaped steel reaction beam；11- feed-through hydraulic jack；Bearing beam is pushed up on 12-；
13- counter-force lower nut；14- top nut.
Specific embodiment
Embodiment 1
Present embodiments provide a kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The continuous bridge zero number section stated, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe post,
Connector of finish rolling thread steel, fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, punching
Formula hydraulic jack, upper top bearing beam, counter-force lower nut, top nut；
Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and spreads
If longitudinal distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Install in longitudinal distribution beam
Bailey beam reaction frame, lays shaped steel reaction beam；Counter-force lower nut penetrates fining twisted steel in bottom, feed-through hydraulic jack
In, and be positioned on shaped steel reaction beam, top is equipped with top bearing beam and top nut.
All there is triangle space between described rack beam and longitudinal distribution beam, Bailey beam reaction frame and shaped steel reaction beam
Cannot be closely connected, actual is linear contact lay；The triangle backing plate being fabricated to using 20mm steel plate is placed in therebetween, increases its stability simultaneously
Become linear contact lay to contact into face；
Longitudinal distribution beam is welded to connect with reserved steel plate in pier top anchoring temporarily so as to which superstructure is solid and reliable；Type
Steel reaction beam is two groups of I-steel or shaped steel part, and using 10mm thickness steel batten plate connection between two groups, batten plate spacing is not more than 50cm, wears
Core type hydraulic jack withstands on the correspondence position of shaped steel reaction beam placement, and its shaped steel counter-force web should add gusset；Punching liquid
In tensioning fining twisted steel, when symmetrical and multiple stage feed-through hydraulic jack works asynchronously, stretching force keeps pressure jack
Unanimously, it is ensured that the symmetrical synchronization precompressed in both sides in zero number section pre-pressing bracket.
Pre-buried fining twisted steel in described cushion cap, constructs after pier stud and support is set up after finishing, fining twisted steel is connected
Rack platform top is connected to, then reaction frame, reaction beam are installed, using jack tension fining twisted steel, fining twisted steel is produced
Raw pulling force passes to support by reaction beam, reaction frame and realizes pre-pressing bracket.
Described a thousand pieces of gold top is feed-through hydraulic a thousand pieces of gold top, and quantity is no less than four, even numbers, and tensioning wants both sides symmetrically same
Step tensioning.
The fining twisted steel is buried some in bearing platform construction, and the embedding position of every fining twisted steel should be the bottom of with longitudinally point
Join space between beam to correspond to, be beneficial to later stage fining twisted steel and pass through from bed die system.
The reaction beam is welded into box-shaped structural member using shaped steel and steel plate.
Embodiment 2
Present embodiments provide a kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The continuous bridge zero number section stated, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe post,
Connector of finish rolling thread steel, fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, punching
Formula hydraulic jack, upper top bearing beam, counter-force lower nut, top nut；
Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and spreads
If longitudinal distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Install in longitudinal distribution beam
Bailey beam reaction frame, lays shaped steel reaction beam；Counter-force lower nut penetrates fining twisted steel in bottom, feed-through hydraulic jack
In, and be positioned on shaped steel reaction beam, top is equipped with top bearing beam and top nut.
Described fining twisted steel is pre-buried in advance in bearing platform construction, and fining twisted steel is connect using connector in precompressed
Long to cradle top, when the embedding anchorage length of fining twisted steel meets maximum stretching force pre-buried fining twisted steel be not pulled out,
Pre-buried fining twisted steel position need to be determined in conjunction with support distribution beam arrangement form.
Bailey beam reaction frame is connected using U-shaped reinforced bar fastener with longitudinal distribution beam, and U-shaped reinforced bar fastener spacing is not more than
30cm.
All there is triangle space between described rack beam and longitudinal distribution beam, Bailey beam reaction frame and shaped steel reaction beam
Cannot be closely connected, actual is linear contact lay；The triangle backing plate being fabricated to using 20mm steel plate is placed in therebetween, increases its stability simultaneously
Become linear contact lay to contact into face；
Longitudinal distribution beam is welded to connect with reserved steel plate in pier top anchoring temporarily so as to which superstructure is solid and reliable；Type
Steel reaction beam is two groups of I-steel or shaped steel part, and using 10mm thickness steel batten plate connection between two groups, batten plate spacing is not more than 50cm, wears
Core type hydraulic jack withstands on the correspondence position of shaped steel reaction beam placement, and its shaped steel counter-force web should add gusset；Punching liquid
In tensioning fining twisted steel, when symmetrical and multiple stage feed-through hydraulic jack works asynchronously, stretching force keeps pressure jack
Unanimously, it is ensured that the symmetrical synchronization precompressed in both sides in zero number section pre-pressing bracket.
Pre-buried fining twisted steel in described cushion cap, constructs after pier stud and support is set up after finishing, fining twisted steel is connected
Rack platform top is connected to, then reaction frame, reaction beam are installed, using jack tension fining twisted steel, fining twisted steel is produced
Raw pulling force passes to support by reaction beam, reaction frame and realizes pre-pressing bracket.
Described a thousand pieces of gold top is feed-through hydraulic a thousand pieces of gold top, and quantity is no less than four, even numbers, and tensioning wants both sides symmetrically same
Step tensioning.
The fining twisted steel is buried some in bearing platform construction, and the embedding position of every fining twisted steel should be the bottom of with longitudinally point
Join space between beam to correspond to, be beneficial to later stage fining twisted steel and pass through from bed die system.
The reaction frame adopts truss structure part.
Embodiment 3
Present embodiments provide a kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The continuous bridge zero number section stated, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe post,
Connector of finish rolling thread steel, fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, punching
Formula hydraulic jack, upper top bearing beam, counter-force lower nut, top nut；
Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and spreads
If longitudinal distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Install in longitudinal distribution beam
Bailey beam reaction frame, lays shaped steel reaction beam；Counter-force lower nut penetrates fining twisted steel in bottom, feed-through hydraulic jack
In, and be positioned on shaped steel reaction beam, top is equipped with top bearing beam and top nut.
Described fining twisted steel is pre-buried in advance in bearing platform construction, and fining twisted steel adopts connector in precompressed
To cradle top, when the embedding anchorage length of fining twisted steel meets maximum stretching force, pre-buried fining twisted steel is not pulled out spreading
Go out, pre-buried fining twisted steel position need to be determined in conjunction with support distribution beam arrangement form.
Bailey beam reaction frame is connected using U-shaped reinforced bar fastener with longitudinal distribution beam, and U-shaped reinforced bar fastener spacing is not more than
30cm.
All there is triangle space between described rack beam and longitudinal distribution beam, Bailey beam reaction frame and shaped steel reaction beam
Cannot be closely connected, actual is linear contact lay；The triangle backing plate being fabricated to using 20mm steel plate is placed in therebetween, increases its stability simultaneously
Become linear contact lay to contact into face；
Longitudinal distribution beam is welded to connect with reserved steel plate in pier top anchoring temporarily so as to which superstructure is solid and reliable；Type
Steel reaction beam is two groups of I-steel or shaped steel part, and using 10mm thickness steel batten plate connection between two groups, batten plate spacing is not more than 50cm, wears
Core type hydraulic jack withstands on the correspondence position of shaped steel reaction beam placement, and its shaped steel counter-force web should add gusset；Punching liquid
In tensioning fining twisted steel, when symmetrical and multiple stage feed-through hydraulic jack works asynchronously, stretching force keeps pressure jack
Unanimously, it is ensured that the symmetrical synchronization precompressed in both sides in zero number section pre-pressing bracket.
Pre-buried fining twisted steel in described cushion cap, constructs after pier stud and support is set up after finishing, fining twisted steel is connected
Rack platform top is connected to, then reaction frame, reaction beam are installed, using jack tension fining twisted steel, fining twisted steel is produced
Raw pulling force passes to support by reaction beam, reaction frame and realizes pre-pressing bracket.
Described a thousand pieces of gold top is feed-through hydraulic a thousand pieces of gold top, and quantity is no less than four, even numbers, and tensioning wants both sides symmetrically same
Step tensioning.
The fining twisted steel is buried some in bearing platform construction, and the embedding position of every fining twisted steel should be with bottom longitudinal direction
Between distribution beam, space corresponds to, and is beneficial to later stage fining twisted steel and passes through from bed die system.
Claims (6)
1. a kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Described continuous bridge zero
Section, the new prepressing device of Cast-in-place Segment Support, including cushion cap, fining twisted steel, pier stud, steel pipe post, connector of finish rolling thread steel,
Fining twisted steel, rack beam, longitudinal distribution beam, Bailey beam reaction frame, shaped steel reaction beam, feed-through hydraulic jack, upper top
Bearing beam, counter-force lower nut, top nut；
Wherein：Pre-buried fining twisted steel, pier stud of constructing in cushion cap, set up steel pipe post；Crossbeam is installed in steel pipe top, and lays vertical
To distribution beam；Fining twisted steel is connected to cradle top by connector of finish rolling thread steel；Shellfish thunder is installed in longitudinal distribution beam
Beam reaction frame, lays shaped steel reaction beam；Counter-force lower nut is penetrated in fining twisted steel in bottom, feed-through hydraulic jack, and
It is positioned on shaped steel reaction beam, top is equipped with top bearing beam and top nut.
2. according to the continuous bridge zero number section described in claim 1, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The Bailey beam reaction frame that states is connected using U-shaped reinforced bar fastener with longitudinal distribution beam, and U-shaped reinforced bar fastener spacing is not more than 30cm.
3. according to the continuous bridge zero number section described in claim 1, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Vertical
It is welded to connect to distribution beam with reserved steel plate in pier top anchoring temporarily, superstructure is solid and reliable；Shaped steel reaction beam is two groups
I-steel or shaped steel part, using 10mm thickness steel batten plate connection between two groups, batten plate spacing is not more than 50cm, feed-through hydraulic jack
In the correspondence position that shaped steel reaction beam is placed, its shaped steel counter-force web should add gusset；Feed-through hydraulic jack is in tensioning
On fining twisted steel, when symmetrical and multiple stage feed-through hydraulic jack works asynchronously, stretching force is consistent, it is ensured that zero
The symmetrical synchronization precompressed in both sides during number section pre-pressing bracket.
4. according to the continuous bridge zero number section described in claim 1, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The feed-through hydraulic a thousand pieces of gold top that states, quantity are no less than four, even numbers, and the symmetrical synchronous tension in both sides is wanted in tensioning.
5. according to the continuous bridge zero number section described in claim 1, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The Bailey beam reaction frame that states adopts truss structure part.
6. according to the continuous bridge zero number section described in claim 1, the new prepressing device of Cast-in-place Segment Support, it is characterised in that：Institute
The shaped steel reaction beam that states is welded into box-shaped structural member using shaped steel and steel plate.
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|---|---|---|---|
| CN201620582039.3U CN205999802U (en) | 2016-06-16 | 2016-06-16 | A kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582039.3U CN205999802U (en) | 2016-06-16 | 2016-06-16 | A kind of continuous bridge zero number section, the new prepressing device of Cast-in-place Segment Support |
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| CN205999802U true CN205999802U (en) | 2017-03-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012795A (en) * | 2017-05-22 | 2017-08-04 | 中国铁建大桥工程局集团有限公司 | A kind of continuous bridge pre-pressing bracket device and its construction method |
| CN107893379A (en) * | 2017-11-03 | 2018-04-10 | 中国水利水电第七工程局有限公司 | A kind of concrete continuous Cantilever Construction load equilibrium adjusting means and adjusting method |
| CN108225896A (en) * | 2018-03-18 | 2018-06-29 | 中铁十九局集团第三工程有限公司 | No. 0 segment bracket static loading prepressing test device of cast-in-situ continuous beam and test method |
| CN111576223A (en) * | 2020-05-12 | 2020-08-25 | 陕西中立检测鉴定有限公司 | Main tower lower cross beam support pre-pressing device and pre-pressing method thereof |
| CN114214919A (en) * | 2021-12-16 | 2022-03-22 | 中铁十一局集团有限公司 | Counter-force prepressing construction method and system for oversized zero-block bracket of cable-stayed bridge in water area |
-
2016
- 2016-06-16 CN CN201620582039.3U patent/CN205999802U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012795A (en) * | 2017-05-22 | 2017-08-04 | 中国铁建大桥工程局集团有限公司 | A kind of continuous bridge pre-pressing bracket device and its construction method |
| CN107893379A (en) * | 2017-11-03 | 2018-04-10 | 中国水利水电第七工程局有限公司 | A kind of concrete continuous Cantilever Construction load equilibrium adjusting means and adjusting method |
| CN108225896A (en) * | 2018-03-18 | 2018-06-29 | 中铁十九局集团第三工程有限公司 | No. 0 segment bracket static loading prepressing test device of cast-in-situ continuous beam and test method |
| CN111576223A (en) * | 2020-05-12 | 2020-08-25 | 陕西中立检测鉴定有限公司 | Main tower lower cross beam support pre-pressing device and pre-pressing method thereof |
| CN114214919A (en) * | 2021-12-16 | 2022-03-22 | 中铁十一局集团有限公司 | Counter-force prepressing construction method and system for oversized zero-block bracket of cable-stayed bridge in water area |
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