CN103526698B - Cast-in-cantilever construction 0# block concrete supporting system and construction method - Google Patents
Cast-in-cantilever construction 0# block concrete supporting system and construction method Download PDFInfo
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- CN103526698B CN103526698B CN201310553638.3A CN201310553638A CN103526698B CN 103526698 B CN103526698 B CN 103526698B CN 201310553638 A CN201310553638 A CN 201310553638A CN 103526698 B CN103526698 B CN 103526698B
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Abstract
The invention relates to a cast-in-cantilever construction 0# block concrete supporting system and a construction method. The cast-in-cantilever construction 0# block concrete supporting system comprises along-bridge triangular brackets, anti-overturning buttresses, structural steel trusses between the anti-overturning buttresses and anti-overturning buttress transverse-bridge-direction triangular supports, wherein the along-bridge triangular brackets are arranged on a bridge pier and each along-bridge triangular bracket comprises along-bridge triangular bracket horizontal rods and along-bridge triangular bracket inclined rods, and transverse-bridge-direction structural steel is arranged on the horizontal rods; the anti-overturning buttresses are arranged on the two sides of the bridge pier in the along bridge direction, and at least two anti-overturning buttresses are arranged at each side of the bridge pier; the structural steel trusses between the anti-overturning buttresses are fixedly arranged between the anti-overturning buttresses at one side of the bridge pier; the anti-overturning buttress transverse-bridge-direction triangular supports are arranged on the buttresses and are distributed in the transverse direction of the outer side of the buttresses, the connecting rods are erected on the structural steel trusses or erected on the structural steel trusses and the transverse-bridge-direction triangular supports; the root portions of the along-bridge triangular bracket horizontal rods and inclined rods are connected to structural steel components fixed by high-strength finish rolling twisted steel, wherein the high-strength finish rolling twisted steel is arranged in reverse holes in the bridge pier. The cast-in-cantilever construction 0# block concrete supporting system and the construction method have the advantages that the triangle bracket horizontal bar span is reduced, stress of a triangular bracket is optimized, construction safety of 0# block concrete is guaranteed, and the hidden danger of corrosion of pier reinforcing steel bars is not created.
Description
Technical field
This patent belongs to technical field of bridge construction, particularly relates to cantilever pouring construction 0# block concrete support system and construction method.
Background technology
In cantilever pouring concrete continuous beam, for ensureing that in work progress, T structure stablizes unlikely toppling, should by 0# block and bridge pier temporary consolidation.In the not high situation of bridge pier, can concrete filled steel tube be set in bridge pier both sides, steel concrete Zhi Dun resists the temporary consolidation structure of toppling as 0# block.
If bridge bearing platform is less than 0# block length along bridge to size, can adopts and arrange with the shelf bracket effect 0# block concrete model sheetinstallat of shaped steel processing, the operation platform of pouring concrete and support system in bridge pier both sides.
In longer at 0# block, highly larger situation, internal force, the distortion of shelf bracket are larger, for reducing internal force, the distortion of shelf bracket, the steel section size that certainly will will increase shelf bracket quantity or increase for making shelf bracket, and strengthen the connection of shelf bracket horizon bar, brace root and bridge pier.
Bracket horizon bar, brace often adopted pre-embedded steel slab, pre-buried shaped steel in bridge pier in the past, and when constructing, pre-embedded steel slab, shaped steel position should not control, and need bridge abutment moulding plate perforate during pre-buried shaped steel; After 0# block of having constructed, need to carry out preservative treatment to pre-embedded steel slab, pre-buried shaped steel, in case cause bridge pier reinforcement corrosion, workload is large, and effect is bad.
Summary of the invention
This patent provides a kind of cantilever pouring to construct 0# block concrete support system and construction method for solving in known technology the technical problem that exists, this support system and construction method can reduce shelf bracket horizon bar span, reduce shelf bracket internal force and distortion, reduce material usage, optimize shelf bracket stressed, thus ensure 0# block concrete construction safety.
A kind of cantilever pouring construction 0# block concrete support system, comprise along bridge shelf bracket, described suitable bridge shelf bracket comprises along bridge shelf bracket horizon bar with along bridge shelf bracket brace, described suitable bridge shelf bracket is arranged on bridge pier, described suitable bridge shelf bracket horizon bar is equipped with direction across bridge shaped steel, it is characterized in that: also include:
Overturning or slip resistance analysis buttress, described overturning or slip resistance analysis buttress is arranged on the both sides along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses in every along the bridge side of bridge pier;
Steel truss between overturning or slip resistance analysis buttress, between described overturning or slip resistance analysis buttress, steel truss is fixedly mounted between the overturning or slip resistance analysis buttress of a side along the bridge of bridge pier;
Overturning or slip resistance analysis buttress direction across bridge A-frame, described overturning or slip resistance analysis buttress direction across bridge A-frame is arranged on overturning or slip resistance analysis buttress, and distributes along the direction direction across bridge of other overturning or slip resistance analysis buttresses away from this side of the overturning or slip resistance analysis buttress of the every side of bridge pier;
Describedly to ride between overturning or slip resistance analysis buttress on steel truss along bridge shelf bracket horizon bar or to ride between overturning or slip resistance analysis buttress on steel truss and overturning or slip resistance analysis buttress direction across bridge A-frame.
This patent can also by the following technical solutions:
Preferably, described close bridge pier one end along bridge shelf bracket brace and suitable bridge shelf bracket horizon bar is arranged on shaped steel assembly, be positioned at bridge pier two sides and line along bridge to often pair of shaped steel assembly to be strained by high-strength finish rolling deformed bar and to be fixed on bridge pier, high-strength finish rolling deformed bar is through the preformed hole on bridge pier.
This patent for the technical scheme of the construction method of support system solving prior art and provide is:
A construction method for support system described in claim 1 or 2, comprises the following steps successively:
S1, cast bridge pier 7, reserved to pull bar preformed hole when pouring into a mould bridge pier, overturning or slip resistance analysis buttress 3 is installed, and at the inner concrete perfusion of overturning or slip resistance analysis buttress;
S2, at overturning or slip resistance analysis buttress top, steel truss 9 between overturning or slip resistance analysis buttress is installed, welds between steel truss and overturning or slip resistance analysis buttress between overturning or slip resistance analysis buttress, and weld overturning or slip resistance analysis buttress direction across bridge A-frame 8;
S3, penetrate high-strength finish rolling deformed bar 7 at bridge pier to drawing in tie rod hole, and use bar connecting on bridge pier the shaped steel assembly 6 of bridge pier both sides, the suitable bridge shelf bracket welded on the ground to be placed between buttress on shaped steel crossbeam, and be connected along bridge shelf bracket horizon bar 1 with shaped steel assembly mounted on bridge pier with the root along bridge shelf bracket brace 2, and bridge pier direction across bridge A-frame 5 is installed in the direction across bridge both sides of bridge pier;
S4, overturning or slip resistance analysis buttress direction across bridge A-frame, bridge pier direction across bridge A-frame upper surface lay along bridge to shaped steel, flush to shelf bracket end face to shaped steel end face with along bridge along bridge, then on shelf bracket end face, direction across bridge shaped steel is being set to shaped steel end face with along bridge by spacing along bridge, the steel pipe support of mounting strap adjustable jack on direction across bridge shaped steel, the upper berth lumps of wood, bed die, thus form cantilever pouring construction 0# block concrete support system.
The advantage that this patent has and good effect are:
Because this patent adopts technique scheme, bridge bearing platform can be met and be less than 0# block length situation along bridge to size, make full use of overturning or slip resistance analysis buttress, reduce along bridge to shelf bracket horizon bar span, thus reduce to connect stress along bridge to the internal force of shelf bracket, distortion and shelf bracket horizon bar, brace root and bridge pier, at saving material simultaneously, 0# block construction safety is greatly strengthened.
To pull bar preformed hole during employing bridge pier concreting, connect shaped steel assembly with high-strength finish rolling deformed bar, easy construction, do not need pre-buried shaped steel, steel plate, can not hide some dangers for bridge pier reinforcement corrosion, and all material all can have enough to meet the need use.
Accompanying drawing explanation
Fig. 1 is the structural representation of this patent;
Fig. 2 is the direction across bridge schematic cross-section of this patent, and wherein buttress and the parts be arranged on buttress do not represent;
Fig. 3 is the top view of Fig. 1;
Fig. 4 be this patent for representing buttress and being arranged on the direction across bridge schematic cross-section of the parts on buttress.
In figure: 1, along bridge shelf bracket horizon bar; 2, along bridge shelf bracket brace; 3, overturning or slip resistance analysis buttress; 4, direction across bridge shaped steel; 5, bridge pier direction across bridge A-frame; 6, shaped steel assembly; 7, high-strength finish rolling deformed bar; 8, overturning or slip resistance analysis buttress direction across bridge A-frame; 9, steel truss between overturning or slip resistance analysis buttress; 10, bridge pier; 11, suitable bridge is to shaped steel.
Detailed description of the invention
For innovation and creation content, the Characteristic of this patent can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As Figure 1-4,
A kind of cantilever pouring construction 0# block concrete support system, comprise along bridge shelf bracket, comprise along bridge shelf bracket horizon bar 1 with along bridge shelf bracket brace 2 along bridge shelf bracket, be arranged on bridge pier along bridge shelf bracket, be equipped with direction across bridge shaped steel 4 along on bridge shelf bracket horizon bar, also include:
Overturning or slip resistance analysis buttress 3, overturning or slip resistance analysis buttress is arranged on the both sides along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses in every along the bridge side of bridge pier;
Steel truss 9 between overturning or slip resistance analysis buttress, between overturning or slip resistance analysis buttress, steel truss is fixedly mounted between the overturning or slip resistance analysis buttress of a side along the bridge of bridge pier;
Overturning or slip resistance analysis buttress direction across bridge A-frame 8, overturning or slip resistance analysis buttress direction across bridge A-frame is arranged on overturning or slip resistance analysis buttress, and distributes along the direction direction across bridge of other overturning or slip resistance analysis buttresses away from this side of the overturning or slip resistance analysis buttress of the every side of bridge pier;
To ride between overturning or slip resistance analysis buttress on steel truss along bridge shelf bracket horizon bar or to ride between overturning or slip resistance analysis buttress on steel truss and overturning or slip resistance analysis buttress direction across bridge A-frame.
Preferably, close bridge pier one end along bridge shelf bracket brace and suitable bridge shelf bracket horizon bar is arranged on shaped steel assembly 6, be positioned at bridge pier two sides and line along bridge to often pair of shaped steel assembly to be strained by high-strength finish rolling deformed bar 7 and to be fixed on bridge pier, high-strength finish rolling deformed bar is through the preformed hole on bridge pier.
In addition, bridge pier direction across bridge A-frame 5 can also be set in the two sides in the direction across bridge direction of bridge pier, can also be layered on bridge pier direction across bridge A-frame 5 and overturning or slip resistance analysis buttress direction across bridge A-frame 8 to shaped steel 11 along bridge.
A construction method for above-mentioned support system, comprises the following steps successively:
The first step, cast bridge pier 10, reserved to pull bar preformed hole when pouring into a mould bridge pier, overturning or slip resistance analysis buttress 3 is installed, and at the inner concrete perfusion of overturning or slip resistance analysis buttress;
Second step, at overturning or slip resistance analysis buttress top, steel truss 9 between overturning or slip resistance analysis buttress is installed, welds between steel truss and overturning or slip resistance analysis buttress between overturning or slip resistance analysis buttress, and weld overturning or slip resistance analysis buttress direction across bridge A-frame 8;
3rd step, in bridge pier 10, penetrate high-strength finish rolling deformed bar 7 to drawing in tie rod hole, and the shaped steel assembly 6 of bridge pier both sides is connected on bridge pier with high-strength finish rolling deformed bar, the suitable bridge shelf bracket welded on the ground to be placed between buttress on shaped steel crossbeam, and be connected along bridge shelf bracket horizon bar 1 with shaped steel assembly mounted on bridge pier with the root along bridge shelf bracket brace 2, and bridge pier direction across bridge A-frame 5 is installed in the direction across bridge both sides of bridge pier;
4th step, overturning or slip resistance analysis buttress direction across bridge A-frame 8, bridge pier direction across bridge A-frame 5 upper surface lay along bridge to shaped steel 11, flush to shelf bracket end face to shaped steel 11 end face with along bridge along bridge, then on shelf bracket end face, direction across bridge shaped steel 4 is being set to shaped steel end face with along bridge by spacing along bridge, the steel pipe support of mounting strap adjustable jack on direction across bridge shaped steel, the upper berth lumps of wood, bed die, thus form cantilever pouring construction 0# block concrete support system.
Although be described the preferred embodiment of this patent by reference to the accompanying drawings above; but this patent is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under the enlightenment of this patent; do not departing under the ambit that this patent aim and claim protect, can also make a lot of form, these all belong within the protection domain of this patent.
Claims (3)
1. a cantilever pouring construction 0# block concrete support system, comprise along bridge shelf bracket, described suitable bridge shelf bracket comprises along bridge shelf bracket horizon bar with along bridge shelf bracket brace, described suitable bridge shelf bracket is arranged on bridge pier, described suitable bridge shelf bracket horizon bar is equipped with direction across bridge shaped steel, it is characterized in that: also include:
Overturning or slip resistance analysis buttress, described overturning or slip resistance analysis buttress is arranged on the both sides along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses in every along the bridge side of bridge pier;
Steel truss between overturning or slip resistance analysis buttress, between described overturning or slip resistance analysis buttress, steel truss is fixedly mounted between the overturning or slip resistance analysis buttress of a side along the bridge of bridge pier;
Overturning or slip resistance analysis buttress direction across bridge A-frame, described overturning or slip resistance analysis buttress direction across bridge A-frame is arranged on overturning or slip resistance analysis buttress, and distributes along the direction direction across bridge of other overturning or slip resistance analysis buttresses away from this side of the overturning or slip resistance analysis buttress of the every side of bridge pier;
Describedly to ride between overturning or slip resistance analysis buttress on steel truss along bridge shelf bracket horizon bar or to ride between overturning or slip resistance analysis buttress on steel truss and overturning or slip resistance analysis buttress direction across bridge A-frame.
2. support system according to claim 1, it is characterized in that: described close bridge pier one end along bridge shelf bracket brace and suitable bridge shelf bracket horizon bar is arranged on shaped steel assembly, be positioned at bridge pier two sides and line along bridge to often pair of shaped steel assembly to be strained by high-strength finish rolling deformed bar and to be fixed on bridge pier, high-strength finish rolling deformed bar is through the preformed hole on bridge pier.
3. a construction method for the support system described in claim 1 or 2, is characterized in that: comprise the following steps successively:
S1, cast bridge pier, reserving preformed hole when pouring into a mould bridge pier, installing overturning or slip resistance analysis buttress, and at the inner concrete perfusion of overturning or slip resistance analysis buttress;
S2, at overturning or slip resistance analysis buttress top, steel truss between overturning or slip resistance analysis buttress is installed, welds between steel truss and overturning or slip resistance analysis buttress between overturning or slip resistance analysis buttress, and weld overturning or slip resistance analysis buttress direction across bridge A-frame;
S3, in the preformed hole of bridge pier, penetrate high-strength finish rolling deformed bar, and the shaped steel assembly of bridge pier both sides is connected on bridge pier with high-strength finish rolling deformed bar, the suitable bridge shelf bracket welded on the ground to be placed between buttress on shaped steel crossbeam, and be connected along bridge shelf bracket horizon bar with shaped steel assembly mounted on bridge pier with the root along bridge shelf bracket brace, and bridge pier direction across bridge A-frame is installed in the direction across bridge both sides of bridge pier;
S4, overturning or slip resistance analysis buttress direction across bridge A-frame, bridge pier direction across bridge A-frame upper surface lay along bridge to shaped steel, flush to shelf bracket end face to shaped steel end face with along bridge along bridge, then on shelf bracket end face, direction across bridge shaped steel is being set to shaped steel end face with along bridge by spacing along bridge, the steel pipe support of mounting strap adjustable jack on direction across bridge shaped steel, the upper berth lumps of wood, bed die, thus form cantilever pouring construction 0# block concrete support system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553638.3A CN103526698B (en) | 2013-11-07 | 2013-11-07 | Cast-in-cantilever construction 0# block concrete supporting system and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310553638.3A CN103526698B (en) | 2013-11-07 | 2013-11-07 | Cast-in-cantilever construction 0# block concrete supporting system and construction method |
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| CN103526698A CN103526698A (en) | 2014-01-22 |
| CN103526698B true CN103526698B (en) | 2015-06-24 |
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| CN106088143B (en) * | 2016-08-15 | 2024-01-12 | 上海市政工程设计研究总院（集团）有限公司 | Construction method for comprehensive pipe rack drainage pipeline buttress |
| CN109056777B (en) * | 2018-07-23 | 2021-01-05 | 昆明理工大学 | Anti-overturning measure of foundation shock-insulation building and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2377458B (en) * | 2001-06-28 | 2005-01-05 | Bridge Parapets Ltd | Improvements in and relating to railings and parapets |
| CN101231208A (en) * | 2008-02-27 | 2008-07-30 | 中铁十三局集团有限公司 | Method of testing hanging-filling beam suspension basket and bracket equivalent load |
| CN201495493U (en) * | 2009-06-05 | 2010-06-02 | 中交第一公路工程局有限公司 | Counter-pressure preloading device of hydraulic jack |
| CN203546623U (en) * | 2013-11-07 | 2014-04-16 | 天津城建大学 | Cast-in-cantilever construction 0# block concrete supporting system |
-
2013
- 2013-11-07 CN CN201310553638.3A patent/CN103526698B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2377458B (en) * | 2001-06-28 | 2005-01-05 | Bridge Parapets Ltd | Improvements in and relating to railings and parapets |
| CN101231208A (en) * | 2008-02-27 | 2008-07-30 | 中铁十三局集团有限公司 | Method of testing hanging-filling beam suspension basket and bracket equivalent load |
| CN201495493U (en) * | 2009-06-05 | 2010-06-02 | 中交第一公路工程局有限公司 | Counter-pressure preloading device of hydraulic jack |
| CN203546623U (en) * | 2013-11-07 | 2014-04-16 | 天津城建大学 | Cast-in-cantilever construction 0# block concrete supporting system |
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