CN105544402A - Suspended combined formwork supporting frame used for high pier bent cap and construction method - Google Patents
Suspended combined formwork supporting frame used for high pier bent cap and construction method Download PDFInfo
- Publication number
- CN105544402A CN105544402A CN201610031822.5A CN201610031822A CN105544402A CN 105544402 A CN105544402 A CN 105544402A CN 201610031822 A CN201610031822 A CN 201610031822A CN 105544402 A CN105544402 A CN 105544402A
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- Prior art keywords
- pier
- capping beam
- template
- pier shaft
- stull
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a suspended combined formwork supporting frame used for a high pier bent cap. The suspended combined formwork supporting frame comprises pier body steel formworks and a supporting frame assembly, wherein the pier body steel formworks are horizontally connected between rebars at terminal joint chamfers of a pier body, the supporting frame assembly comprises supporting frame walings and bent cap formwork inclined struts, the supporting frame walings are horizontally connected between the pier body steel formworks at the two sides of the pier body through first connecting assemblies, and the bent cap formwork inclined struts are obliquely connected between bent cap formworks and the pier body steel formworks through second connecting assemblies. The problems that due to strong wind environment, a high pier is difficult to construct, low in work efficiency and the like are solved; in comparison with a conventional high pier support technology, it is avoided that workers and mechanical equipment work in strong wind for a long time, construction safety is effectively guaranteed, and the work efficiency is improved; in comparison with a bracket embedding technology, installation of embedded steel plates is reduced, the bracket disassembling risk is reduced, working procedures are simplified, and the work efficiency and structure quality are improved.
Description
Technical field
The invention belongs to bridge engineering construction technical field, especially relate to a kind of unsettled gang form bracing frame for high pier capping beam and construction method.
Background technology
Under the condition of marine site, the construction of bridge spanning the sea height pier capping beam belongs to work high above the ground, and is in the adverse circumstances such as monsoon, typhoon, operating personnel's operating difficulties, and security risk is high, and equipment work efficiency is low.At present, over strait, set up high pier support across normal employing in pier capping beam work progress high in the large bridges such as river, the pre-buried load-bearing bracket of pier shaft sidewall sets up the construction technologies such as bracing frame.Face in the bad weather such as monsoon, typhoon and set up steel pipe in high pier support to set up precision uncontrollable, pre-buried bracket sets up pre-buried bracket in supporting frame construction, and to install and remove security risk higher, and external quality of pier reparation need be carried out to pre-buried position, constructing operation personnel are in operation under the high wind of high-altitude, and potential safety hazard is large.
Summary of the invention
In view of this, the present invention is intended to propose a kind of unsettled gang form bracing frame for high pier capping beam and construction method, efficiently solve the difficult problems such as harsher wind conditions high pier construction is difficult, work efficiency is low, more conventional high pier support technique, avoid operating personnel, plant equipment and be in operation in high wind for a long time, effectively ensure construction safety, and improve work efficiency; More pre-buried bracket technique, decreases the installation of pre-embedded steel slab, reduces and removes bracket risk, simplified operation, improve work efficiency and architecture quality.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of unsettled gang form bracing frame for high pier capping beam, comprise pier shaft steel form and bracket assembly, described pier shaft steel form is connected horizontally between the reinforcing bar at pier shaft epimerite chamfering place, support frame as described above assembly comprises bracing frame stull and capping beam template diagonal brace, support frame as described above stull is connected horizontally between the described pier shaft steel form of pier shaft both sides by the first coupling assembling, and described capping beam template diagonal brace tilts to be connected between capping beam template and described pier shaft steel form by the second coupling assembling.
Further, support frame as described above stull comprises template cross rib, square steel stull, gusset plate and triangle gad, described square steel stull is connected between the described template cross rib of two parallel placements, be welded with described gusset plate between described square steel stull and described template cross rib, the corresponding described square steel stull of described triangle gad is welded on the outside of described template cross rib.
Further, described template cross rib is welded to after spelling by two channel-section steel dorsal parts.
Further, described capping beam template diagonal brace comprises raker beam, and described raker beam is welded after being spliced by two channel-section steel dorsal parts.
Further, described capping beam template diagonal brace also comprises batten plate, and described batten plate interval is welded in described raker beam.
Further, described first coupling assembling comprises bolt and steel plate.
Further, described second coupling assembling comprises bolt and top board.
For a construction method for the unsettled gang form bracing frame of high pier capping beam, comprise the following steps:
The first step: after the coxopodite pier shaft concrete strength of high pier meets the demands, erecting and welding pier shaft reinforcing bar, then installs described pier shaft steel form between the reinforcing bar at pier shaft epimerite chamfering place;
Second step: between described pier shaft steel form support frame as described above stull being connected horizontally on pier shaft both sides by described first coupling assembling;
3rd step: lay temporary working platform in support frame as described above stull;
4th step: rely on described temporary working platform to lift described capping beam template diagonal brace, tilts to be connected between described capping beam template and described pier shaft steel form by described second coupling assembling by described capping beam template diagonal brace;
5th step: continue to install described capping beam template up, carry out bug check to described capping beam template, colligation bent cap reinforcing bar, builds bent cap concrete.
Relative to prior art, the unsettled gang form bracing frame for high pier capping beam of the present invention and construction method have following advantage:
The load that concrete and capping beam template bear can be delivered on pier shaft steel form by bracket assembly, bracing frame stull can pass through the first coupling assembling, utilize the pier shaft steel form bolt at the bolt in the first coupling assembling and steel plate and high pier epimerite chamfering place, bear horizontal loading; Capping beam template diagonal brace can pass through the second coupling assembling, utilizes the bolt in the second coupling assembling and top board to be connected between capping beam template and pier shaft steel form, bears bent cap vertical load and share horizontal loading.Efficiently solve the difficult problems such as harsher wind conditions high pier construction is difficult, work efficiency is low: more conventional high pier support technique, avoids operating personnel, plant equipment and be in operation in high wind for a long time, has effectively ensured construction safety, and improves work efficiency; More pre-buried bracket technique, decreases the installation of pre-embedded steel slab, reduces and removes bracket risk, simplified operation, improve work efficiency and architecture quality.
The gusset plate be welded with between square steel stull and template cross rib, can strengthen the connection between square steel stull and template cross rib, strengthens weight capacity; Triangle gad contributes to the corresponding grafting of template cross rib and fixes pier shaft steel form.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention
Fig. 2 is the bracing frame transverse brace structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the capping beam template inclined support structure schematic diagram of the embodiment of the present invention;
Fig. 4 is the schematic diagram of the first step of the present invention construction;
Fig. 5 is the schematic diagram of second step of the present invention construction;
Fig. 6 is the schematic diagram of the present invention the 3rd step construction;
Fig. 7 is the schematic diagram of the present invention the 4th step construction;
Fig. 8 is the schematic diagram of the present invention the 5th step construction.
Description of reference numerals:
1-pier shaft steel form; The stull of 2-bracing frame; 21-template cross rib; The stull of 22-square steel; 23-gusset plate; 24-triangle gad; 3-capping beam template diagonal brace; 31-raker beam; 32-batten plate; 4-first coupling assembling; 5-second coupling assembling; 6-temporary working platform; 7-capping beam template.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the invention provides a kind of unsettled gang form bracing frame for high pier capping beam, comprise pier shaft steel form 1 and bracket assembly, described pier shaft steel form 1 is connected horizontally between the reinforcing bar at pier shaft epimerite chamfering place, support frame as described above assembly comprises bracing frame stull 2 and capping beam template diagonal brace 3, support frame as described above stull 2 is connected horizontally between the described pier shaft steel form 1 of pier shaft both sides by the first coupling assembling 4, and described capping beam template diagonal brace 3 tilts to be connected between capping beam template 7 and described pier shaft steel form 1 by the second coupling assembling 5.
As shown in Figure 2, support frame as described above stull 2 comprises template cross rib 21, square steel stull 22, gusset plate 23 and triangle gad 24, described square steel stull 22 is connected between the described template cross rib 21 of two parallel placements, be welded with described gusset plate 23 between described square steel stull 22 and described template cross rib 21, the corresponding described square steel stull 22 of described triangle gad 24 is welded on the outside of described template cross rib 21.
Described template cross rib 21 is welded to after spelling by two channel-section steel dorsal parts.
Shown in Fig. 3, described capping beam template diagonal brace 3 comprises raker beam 31, and described raker beam 31 is welded after being spliced by two channel-section steel dorsal parts.
Described capping beam template diagonal brace 3 also comprises batten plate 32, and described batten plate 32 interval is welded in described raker beam 31.
Described first coupling assembling 4 comprises bolt and steel plate.
Described second coupling assembling 5 comprises bolt and top board.
The construction sequence of this example is as follows:
The first step, as shown in Figure IV, after the coxopodite pier shaft concrete strength of high pier meets the demands, erecting and welding pier shaft reinforcing bar, then installs pier shaft steel form 1 between the reinforcing bar at pier shaft epimerite chamfering place;
Second step, as shown in Figure 5, between the described pier shaft steel form 1 bracing frame stull 2 being connected horizontally on pier shaft both sides by the first coupling assembling 4;
3rd step, as shown in figure 6, bracing frame stull 2 is laid temporary working platform 6;
4th step, as shown in figure seven, relies on temporary working platform 6 to lift capping beam template diagonal brace 3, tilts to be connected between capping beam template 7 and pier shaft steel form 1 by capping beam template diagonal brace 3 by the second coupling assembling 5;
5th step, as shown in Figure 8, continue mounting cover beam forms 7 up, carry out bug check to capping beam template 7, colligation bent cap reinforcing bar, builds bent cap concrete.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the unsettled gang form bracing frame for high pier capping beam, it is characterized in that: comprise pier shaft steel form and bracket assembly, described pier shaft steel form is connected horizontally between the reinforcing bar at pier shaft epimerite chamfering place, support frame as described above assembly comprises bracing frame stull and capping beam template diagonal brace, support frame as described above stull is connected horizontally between the described pier shaft steel form of pier shaft both sides by the first coupling assembling, and described capping beam template diagonal brace tilts to be connected between capping beam template and described pier shaft steel form by the second coupling assembling.
2. the unsettled gang form bracing frame for high pier capping beam according to claim 1, it is characterized in that: support frame as described above stull comprises template cross rib, square steel stull, gusset plate and triangle gad, described square steel stull is connected between the described template cross rib of two parallel placements, be welded with described gusset plate between described square steel stull and described template cross rib, the corresponding described square steel stull of described triangle gad is welded on the outside of described template cross rib.
3. the unsettled gang form bracing frame for high pier capping beam according to claim 2, is characterized in that: described template cross rib is welded to after spelling by two channel-section steel dorsal parts.
4. the unsettled gang form bracing frame for high pier capping beam according to claim 1, is characterized in that: described capping beam template diagonal brace comprises raker beam, and described raker beam is welded after being spliced by two channel-section steel dorsal parts.
5. the unsettled gang form bracing frame for high pier capping beam according to claim 4, it is characterized in that: described capping beam template diagonal brace also comprises batten plate, described batten plate interval is welded in described raker beam.
6. the unsettled gang form bracing frame for high pier capping beam according to claim 1, is characterized in that: described first coupling assembling comprises bolt and steel plate.
7. the unsettled gang form bracing frame for high pier capping beam according to claim 1, is characterized in that: described second coupling assembling comprises bolt and top board.
8., as claimed in claim 1 for a construction method for the unsettled gang form bracing frame of high pier capping beam, it is characterized in that: comprise the following steps:
The first step: after the coxopodite pier shaft concrete strength of high pier meets the demands, erecting and welding pier shaft reinforcing bar, then installs described pier shaft steel form between the reinforcing bar at pier shaft epimerite chamfering place;
Second step: between described pier shaft steel form support frame as described above stull being connected horizontally on pier shaft both sides by described first coupling assembling;
3rd step: lay temporary working platform in support frame as described above stull;
4th step: rely on described temporary working platform to lift described capping beam template diagonal brace, tilts to be connected between described capping beam template and described pier shaft steel form by described second coupling assembling by described capping beam template diagonal brace;
5th step: continue to install described capping beam template up, carry out bug check to described capping beam template, colligation bent cap reinforcing bar, builds bent cap concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031822.5A CN105544402B (en) | 2016-01-18 | 2016-01-18 | A kind of hanging gang form support frame and construction method for pier capping beam high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031822.5A CN105544402B (en) | 2016-01-18 | 2016-01-18 | A kind of hanging gang form support frame and construction method for pier capping beam high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105544402A true CN105544402A (en) | 2016-05-04 |
| CN105544402B CN105544402B (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610031822.5A Active CN105544402B (en) | 2016-01-18 | 2016-01-18 | A kind of hanging gang form support frame and construction method for pier capping beam high |
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| Country | Link |
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| CN (1) | CN105544402B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137715A (en) * | 2018-10-23 | 2019-01-04 | 邓泽仲 | A kind of steel structure arch bridge |
| CN113756193A (en) * | 2021-08-27 | 2021-12-07 | 中铁七局集团有限公司 | Hollow pier construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB570661A (en) * | 1943-05-24 | 1945-07-17 | Albert Henry Hawes | Improvements in the construction of concrete walls, beams and the like |
| DE202005020889U1 (en) * | 2005-03-26 | 2006-11-02 | Döllen, Heinz von | Mobile stage for working and/or inspecting e.g. steel bridge, has retaining units, respectively, provided on both sides with roller, and working platform moveable along rollers by rails, where retaining units are fastenable by anchor |
| CN102296542A (en) * | 2011-06-14 | 2011-12-28 | 汇通路桥建设集团有限公司 | Method for constructing high pier capping beams |
| CN104404884A (en) * | 2014-11-25 | 2015-03-11 | 中建六局第三建筑工程有限公司 | Bracket used for overlong water pier pre-stress cover beam construction support system |
| CN205617245U (en) * | 2016-01-18 | 2016-10-05 | 中国铁建大桥工程局集团有限公司 | A unsettled built -up plate support frame for high pier capping beam |
-
2016
- 2016-01-18 CN CN201610031822.5A patent/CN105544402B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB570661A (en) * | 1943-05-24 | 1945-07-17 | Albert Henry Hawes | Improvements in the construction of concrete walls, beams and the like |
| DE202005020889U1 (en) * | 2005-03-26 | 2006-11-02 | Döllen, Heinz von | Mobile stage for working and/or inspecting e.g. steel bridge, has retaining units, respectively, provided on both sides with roller, and working platform moveable along rollers by rails, where retaining units are fastenable by anchor |
| CN102296542A (en) * | 2011-06-14 | 2011-12-28 | 汇通路桥建设集团有限公司 | Method for constructing high pier capping beams |
| CN104404884A (en) * | 2014-11-25 | 2015-03-11 | 中建六局第三建筑工程有限公司 | Bracket used for overlong water pier pre-stress cover beam construction support system |
| CN205617245U (en) * | 2016-01-18 | 2016-10-05 | 中国铁建大桥工程局集团有限公司 | A unsettled built -up plate support frame for high pier capping beam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137715A (en) * | 2018-10-23 | 2019-01-04 | 邓泽仲 | A kind of steel structure arch bridge |
| CN109137715B (en) * | 2018-10-23 | 2021-08-10 | 邓泽仲 | Steel constructs arch bridge |
| CN113756193A (en) * | 2021-08-27 | 2021-12-07 | 中铁七局集团有限公司 | Hollow pier construction method |
| CN113756193B (en) * | 2021-08-27 | 2022-12-23 | 中铁七局集团有限公司 | Hollow pier construction method |
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| Publication number | Publication date |
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| CN105544402B (en) | 2017-06-16 |
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