CN203546623U - Cast-in-cantilever construction 0# block concrete supporting system - Google Patents

Cast-in-cantilever construction 0# block concrete supporting system Download PDF

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Publication number
CN203546623U
CN203546623U CN201320703924.9U CN201320703924U CN203546623U CN 203546623 U CN203546623 U CN 203546623U CN 201320703924 U CN201320703924 U CN 201320703924U CN 203546623 U CN203546623 U CN 203546623U
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China
Prior art keywords
bridge
along
overturning
buttress
slip resistance
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Withdrawn - After Issue
Application number
CN201320703924.9U
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Chinese (zh)
Inventor
王海良
杨新磊
任权昌
董鹏
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Tianjin Chengjian University
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Tianjin Chengjian University
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Priority to CN201320703924.9U priority Critical patent/CN203546623U/en
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Publication of CN203546623U publication Critical patent/CN203546623U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to a cast-in-cantilever construction 0# block concrete supporting system. The cast-in-cantilever construction 0# block concrete supporting system comprises along-bridge triangular brackets arranged on a bridge pier, anti-toppling supporting piers arranged on the two sides of the along-bridge direction of the bridge pier, anti-toppling between-supporting-piers structural steel trusses, and anti-toppling supporting pier transverse bridge direction triangular supports arranged on supporting piers and distributed along the transverse bridge direction on the outer side of the supporting piers, wherein each along-bridge triangular racket comprises an along-bridge triangular bracket horizontal rod and an along-bridge triangular bracket inclined rod, transverse bridge structural steel is arranged on the horizontal rods, at least two anti-toppling supporting piers are arranged on each side of the along-bridge direction of the bridge pier, the horizontal rods are arranged on the structural steel trusses or on the structural steel trusses and the transverse bridge direction triangular supports, and the root portions of the along-bridge triangular bracket horizontal rods and the root portions of the along-bridge triangular bracket horizontal rods are fixed on structural steel assemblies through high-strength fine rolling twisted steel in preformed holes in the bridge pier. The cast-in-cantilever construction 0#block concrete supporting system has the advantages of reducing the span of the triangular bracket horizontal rods, optimizing the stress of the triangular brackets, ensuring 0# block concrete construction safety, and being incapable of leaving potential safety hazards for bridge pier rebar corrosion.

Description

Cantilever pouring construction 0# block concrete support system
Technical field
This patent belongs to technical field of bridge construction, particularly relates to cantilever pouring construction 0# block concrete support system.
Background technology
In cantilever pouring concrete continuous beam, for guaranteeing that in work progress, T structure is stablized unlikely toppling, should be by 0# piece and bridge pier temporary consolidation.In the not high situation of bridge pier, concrete filled steel tube, steel concrete Zhi Dun can be set in bridge pier both sides and as 0# piece, resist the temporary consolidation structure of toppling.
If bridge bearing platform is less than 0# block length along bridge to size, can adopts and in bridge pier both sides, arrange with the shelf bracket effect 0# block concrete template installation of shaped steel processing, operation platform and the support system of pouring concrete.
In, highly larger situation long at 0# piece, internal force, the distortion of shelf bracket are larger, for reducing internal force, the distortion of shelf bracket, certainly will to increase shelf bracket quantity or increase for making the steel section size of shelf bracket, and strengthening 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 construction, pre-embedded steel slab, shaped steel position should not be controlled, need to be by bridge abutment moulding plate perforate during pre-buried shaped steel; Constructing after 0# piece, 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 construction 0# block concrete support system for solving the technical problem existing in known technology, this support system can reduce shelf bracket horizon bar span, reduce shelf bracket internal force and distortion, reduce material usage, optimize shelf bracket stressed, thereby guarantee 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, on described suitable bridge shelf bracket horizon bar, be 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, in every side along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses;
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 along bridge shelf bracket horizon bar, ride between overturning or slip resistance analysis buttress on steel truss or 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 be 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 every pair of shaped steel assembly by high-strength finish rolling deformed bar, strain and be fixed on bridge pier, high-strength finish rolling deformed bar is the preformed hole on bridge pier through construction.
Advantage and good effect that this patent has are:
Because this patent adopts technique scheme, can meet bridge bearing platform and to size, be less than 0# block length situation along bridge, make full use of overturning or slip resistance analysis buttress, reduce along bridge to shelf bracket horizon bar span, thereby reduce to internal force, distortion and shelf bracket horizon bar, brace root and the bridge pier of shelf bracket, to connect stress along bridge, saving material simultaneously, greatly strengthen 0# piece construction safety.
While adopting bridge pier concreting, to pull bar preformed hole, with high-strength finish rolling deformed bar connection shaped steel assembly, easy construction, does not need pre-buried shaped steel, steel plate, can not hide some dangers for to 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 that are 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.
The specific embodiment
For further understanding innovation and creation content, the Characteristic of this patent, 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, 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 on bridge shelf bracket horizon bar, be equipped with direction across bridge shaped steel 4, 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, in every side along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses;
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;
Along bridge shelf bracket horizon bar, ride between overturning or slip resistance analysis buttress on steel truss or ride between overturning or slip resistance analysis buttress on steel truss and overturning or slip resistance analysis buttress direction across bridge A-frame.
Preferably, along bridge shelf bracket brace with along close bridge pier one end of bridge shelf bracket horizon bar, be arranged on shaped steel assembly 6, be positioned at bridge pier two sides and line along bridge to every pair of shaped steel assembly by high-strength finish rolling deformed bar 7, strain and 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 of the direction across bridge direction of bridge pier, along bridge, to shaped steel 11, 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.
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 cast 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, between overturning or slip resistance analysis buttress, between steel truss and overturning or slip resistance analysis buttress, is welded, and weld overturning or slip resistance analysis buttress direction across bridge A-frame 8;
The 3rd step, in bridge pier 10, to drawing, in tie rod hole, penetrate high-strength finish rolling deformed bar 7, and the high-strength finish rolling deformed bar of the shaped steel assembly of bridge pier both sides 6 use is connected on bridge pier, the suitable bridge shelf bracket having welded is on the ground placed between buttress on shaped steel crossbeam, and will be connected with mounted shaped steel assembly on bridge pier with the root along bridge shelf bracket brace 2 along bridge shelf bracket horizon bar 1, and in the direction across bridge both sides of bridge pier, bridge pier direction across bridge A-frame 5 is installed;
The 4th step, at overturning or slip resistance analysis buttress direction across bridge A-frame 8, bridge pier direction across bridge A-frame 5 upper surfaces, lay along bridge to shaped steel 11, along bridge, to shaped steel 11 end faces with along bridge, to shelf bracket end face, flush, then along bridge, to shaped steel end face with along bridge, on shelf bracket end face, by spacing, direction across bridge shaped steel 4 is being set, the steel pipe support of mounting strap adjustable jack on direction across bridge shaped steel, the upper berth lumps of wood, bed die, thus cantilever pouring construction 0# block concrete support system formed.
Although by reference to the accompanying drawings the preferred embodiment of this patent is described above; but this patent is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under the enlightenment of this patent; not departing from the scope situation that this patent aim and claim protect, can also make a lot of forms, within these all belong to the protection domain of this patent.

Claims (2)

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, on described suitable bridge shelf bracket horizon bar, be 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, in every side along the bridge of bridge pier, is at least provided with two overturning or slip resistance analysis buttresses;
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 along bridge shelf bracket horizon bar, ride between overturning or slip resistance analysis buttress on steel truss or 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 every pair of shaped steel assembly by high-strength finish rolling deformed bar, strain and be fixed on bridge pier, high-strength finish rolling deformed bar through bridge pier to pull bar preformed hole.
CN201320703924.9U 2013-11-07 2013-11-07 Cast-in-cantilever construction 0# block concrete supporting system Withdrawn - After Issue CN203546623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320703924.9U CN203546623U (en) 2013-11-07 2013-11-07 Cast-in-cantilever construction 0# block concrete supporting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320703924.9U CN203546623U (en) 2013-11-07 2013-11-07 Cast-in-cantilever construction 0# block concrete supporting system

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103526698A (en) * 2013-11-07 2014-01-22 天津城建大学 Cast-in-cantilever construction 0# block concrete supporting system and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103526698A (en) * 2013-11-07 2014-01-22 天津城建大学 Cast-in-cantilever construction 0# block concrete supporting system and construction method
CN103526698B (en) * 2013-11-07 2015-06-24 天津城建大学 Cast-in-cantilever construction 0# block concrete supporting system and construction method

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Granted publication date: 20140416

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