CN103306206A - Reinforcing steel formwork supporting rack for thin-walled hollow high pier and construction method - Google Patents
Reinforcing steel formwork supporting rack for thin-walled hollow high pier and construction method Download PDFInfo
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- CN103306206A CN103306206A CN2013102331841A CN201310233184A CN103306206A CN 103306206 A CN103306206 A CN 103306206A CN 2013102331841 A CN2013102331841 A CN 2013102331841A CN 201310233184 A CN201310233184 A CN 201310233184A CN 103306206 A CN103306206 A CN 103306206A
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- thin
- pier
- wall hollow
- reinforcement
- bar
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- 238000009415 formwork Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000002787 reinforcement Effects 0.000 claims description 58
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 16
- 230000007306 turnover Effects 0.000 claims description 12
- 238000009416 shuttering Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
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Abstract
The invention provides a reinforcing steel formwork supporting rack for a thin-walled hollow high pier and a construction method. The reinforcing steel formwork supporting rack comprises a reinforcing steel formwork supporting framework and an operation platform, wherein the reinforcing steel formwork supporting framework comprises vertical columns, a transverse bridge direction cross rod and a longitudinal bridge direction cross rod, wheel discs are arranged at the bottom ends of the vertical columns, the bottom ends of the vertical columns are in welded connection with the wheel discs, the wheel discs are fixedly connected with rollover purlins of set-shaped steel formworks through bolts, connecting steel plates are welded at the top ends of the vertical columns and connected with the longitudinal bridge direction cross rod at the top through bolts, and the transverse bridge direction cross rod is perpendicular to the longitudinal bridge direction cross rod, erected on the top surface of the longitudinal bridge direction cross rod and connected with the longitudinal bridge direction cross rod though the bolts; and operation platform comprises triangular reinforcing steel brackets and operation platform stirrups, vertical supports of the triangular reinforcing steel brackets are attached to the tops of the outer walls of the vertical rods and are in welded connection, the operation platform stirrups are uniformly distributed, and the end parts are undertook transversely on the triangular reinforcing steel brackets. The reinforcing steel formwork supporting rack for the thin-walled hollow high pier and the construction method have the advantages that thickness of a protective layer is easy to control, safety and reliability are achieved, construction cost is saved and the like.
Description
Technical field
The present invention relates to a kind of reinforcement bar support mould bases and job practices, particularly a kind of thin-wall hollow high-pier reinforcement bar support mould bases and job practices.
Background technology
Speedway is to mountain development, and the bridge of crossing over the mountains and rivers reservoir is more and more, because geographical relationship, pier stud is higher, often is designed to high pier Thin-wall Hollow Pier, and towering Thin-wall Hollow Pier turns over the reinforcing bar binding installation of method constructing and overhanging model a difficult problem is arranged.Because the conventional construction method has two kinds: a kind of is to set up steel pipe support around pier stud, also be the working platform of stair activity and reinforcement installation, and the steel pipe support of setting up to be higher than the height of each installation reinforcing bar length, then in the middle of support, it is the Thin-wall Hollow Pier position, longitudinal and transverse direction connects with steel tube sets up into the groined type shape, and namely the peripheral dead size of reinforcing bar is installed assembling reinforcement again, the reinforcement cover of the method is wayward, engineering time is longer, and expense is higher, has potential safety hazard; Another kind method is to set up steel tube well font simple rack around rollover board at every turn; in the groined type support, lay again flitch and make the construction working platform; then assembling reinforcement is installed; whenever turn over the circulating process that mould is once constructed and all need be removed, install; the difficult control of the reinforcement cover of the method; labour cost is higher, has potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of thin-wall hollow high-pier reinforcement bar support mould bases and job practices; solve when utilizing existing reinforcing bar binding support to carry out reinforcing bar binding protective layer thickness and be difficult to control; support is set up the process complexity, sets up the technical problem that has potential safety hazard in the higher and use procedure of cost.
For achieving the above object, the present invention adopts following technical scheme:
A kind of thin-wall hollow high-pier reinforcement bar support mould bases is arranged on the thin-wall hollow high-pier periphery of intending construction, comprises reinforcing bar formwork skeleton and operating platform, and described reinforcing bar formwork skeleton is comprised of to cross bar vertical rod, direction across bridge cross bar and vertical bridge; Described vertical rod bottom is provided with the method wheel disc, described vertical rod bottom and method wheel disc are welded to connect, described method wheel disc encloses purlin and is fixedly connected with by the mould that turns over of bolt and set shaped steel formwork, described rod end is welded with junction steel plate, described junction steel plate is connected to cross bar by the vertical bridge in bolt and top, and described direction across bridge cross bar vertically vertical bridge is set up at its end face and is bolted to cross bar;
Described operating platform is comprised of triangular reinforced bar support and operating platform rib, and the perpendicular limb of described triangular reinforced bar support is close to vertical rod outer wall top, and is welded to connect, and described operating platform rib is divided equally distribution, and its end cross-arm is on the triangular reinforced bar support.
Described adjacent direction across bridge cross bar and adjacent vertical bridge are provided with diagonal brace on the vertical rod section between the cross bar.
Described vertical rod is square steel, and described direction across bridge cross bar and vertical bridge are channel-section steel to cross bar.
The horizontal outlimb of described triangular reinforced bar support is provided with fence.
The angle center that described vertical rod and wheel of the law dish form is provided with the triangle floor.
Described thin-wall hollow high-pier reinforcement bar support mould bases carries out the job practices of thin-wall hollow high-pier reinforcement installation, and step is as follows:
In the described step 10, when the reinforcement bar support mould bases with turn over mould when enclosing the purlin out of plumb, by the method wheel disc with turn over mould and enclose pad adjustment is set between the purlin.
Compared with prior art the present invention has following characteristics and beneficial effect: reinforcement bar support mould bases of the present invention divides formwork skeleton and operation platform and is arranged; operation platform is hung over the outer wall of formwork skeleton; this form of structure is because operating platform and pier shaft have certain distance; can be convenient to be provided for controlling the cushion block of protective layer thickness; thereby realize the accurate control to Minimum Concrete Protective Coating Thickness, guarantee construction quality.
In addition, reinforcement bar support mould bases of the present invention after ground connects integral hoisting to construction location, its bottom by bolt with turn over mould and enclose purlin and be fixedly connected with, install, dismantle and move the very convenient turnover of being convenient to, and verticality and stability are easy to adjust, have higher safety, shorten construction period, save operating expenses.
The present invention can be widely used in the reinforcement installation of thin-wall hollow high-pier.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is steel support for shuttering plan view.
Fig. 2 is steel support for shuttering front elevation view.
Fig. 3 is the A place detail drawing of Fig. 2.
Fig. 4 is the B place detail drawing of Fig. 2.
Fig. 5 is steel support for shuttering side elevational view.
Fig. 6 is C place detail drawing among Fig. 5.
Fig. 7 is D place detail drawing among Fig. 5.
Fig. 8 is E place detail drawing among Fig. 5.
Fig. 9 is that junction steel plate is connected detail drawing with column.
Figure 10 is that the method wheel disc is connected detail drawing with column.
Reference numeral: 1-vertical rod, 2-direction across bridge cross bar, 3-diagonal brace, 4-method wheel disc, 5-bolt hole, 6-turn over mould and enclose purlin, 7-junction steel plate, 8-set shaped steel formwork, 9-bolt, 10-thin-wall hollow high-pier, 10.1-main reinforcement, the secondary reinforcing bar of 10.2-, 11-triangular reinforced bar support, 12-operating platform rib, 13-fence, the vertical bridge of 14-to cross bar, 15-triangle floor.
The specific embodiment
Embodiment is extremely shown in Figure 10 referring to Fig. 1, a kind of thin-wall hollow high-pier reinforcement bar support mould bases, be arranged on thin-wall hollow high-pier 10 peripheries of intending construction, comprise reinforcing bar formwork skeleton and operating platform, described reinforcing bar formwork skeleton is comprised of to cross bar 14 vertical rod 1, direction across bridge cross bar 2 and vertical bridge; Described vertical rod 1 bottom is provided with wheel of the law dish 4, described vertical rod 1 bottom and wheel of the law dish 4 are welded to connect, described wheel of the law dish 4 encloses purlin 6 and is fixedly connected with by the mould that turns over of bolt 9 and set shaped steel formwork 8, described vertical rod 1 top is welded with junction steel plate 7, described junction steel plate 7 is connected to cross bar 14 by the vertical bridge in bolt 9 and top, and described direction across bridge cross bar 2 is vertically indulged bridges and set up at its end face and be bolted to cross bar 14.
Described operating platform is comprised of triangular reinforced bar support 11 and operating platform rib 12, the perpendicular limb of described triangular reinforced bar support 11 is close to vertical rod 1 outer wall top, and be welded to connect, described operating platform rib 12 is divided equally distribution, and its end cross-arm is on triangular reinforced bar support 11.
Described adjacent direction across bridge cross bar 2 and adjacent vertical bridge are provided with diagonal brace 3 on the vertical rod section between the cross bar 14.
Described vertical rod is square steel, and described direction across bridge cross bar and vertical bridge are channel-section steel to cross bar.
The horizontal outlimb of described triangular reinforced bar support is provided with fence.
Described vertical rod 1 is provided with triangle floor 15 with the angle center that wheel of the law dish 4 forms.
Described thin-wall hollow high-pier reinforcement bar support mould bases carries out the job practices of thin-wall hollow high-pier reinforcement installation, and step is as follows: step 1, and according to the reinforcing bar formwork skeleton of the planar dimension of thin-wall hollow high-pier 10 design thin-wall hollow high-pier reinforcement bar support mould bases.
Claims (7)
1. thin-wall hollow high-pier reinforcement bar support mould bases, be arranged on thin-wall hollow high-pier (10) periphery of intending construction, it is characterized in that: comprise reinforcing bar formwork skeleton and operating platform, described reinforcing bar formwork skeleton is comprised of to cross bar (14) vertical rod (1), direction across bridge cross bar (2) and vertical bridge; Described vertical rod (1) bottom is provided with method wheel disc (4), described vertical rod (1) bottom and method wheel disc (4) are welded to connect, described method wheel disc (4) encloses purlin (6) and is fixedly connected with by the mould that turns over of bolt (9) and set shaped steel formwork (8), described vertical rod (1) top is welded with junction steel plate (7), described junction steel plate (7) is connected to cross bar (14) by the vertical bridge in bolt (9) and top, and described direction across bridge cross bar (2) is vertically indulged bridge and set up at its end face and be bolted to cross bar (14);
Described operating platform is comprised of triangular reinforced bar support (11) and operating platform rib (12), the perpendicular limb of described triangular reinforced bar support (11) is close to vertical rod (1) outer wall top, and be welded to connect, described operating platform rib (12) is divided equally distribution, and its end cross-arm is on triangular reinforced bar support (11).
2. thin-wall hollow high-pier reinforcement bar support mould bases according to claim 1, it is characterized in that: described adjacent direction across bridge cross bar (2) and adjacent vertical bridge are provided with diagonal brace (3) on the vertical rod section between the cross bar (14).
3. thin-wall hollow high-pier reinforcement bar support mould bases according to claim 1 is characterized in that: described vertical rod (1) is square steel, and described direction across bridge cross bar (2) and vertical bridge are channel-section steel to cross bar (14).
4. thin-wall hollow high-pier reinforcement bar support mould bases according to claim 1, it is characterized in that: the horizontal outlimb of described triangular reinforced bar support (11) is provided with fence (13).
5. thin-wall hollow high-pier reinforcement bar support mould bases according to claim 1 is characterized in that: described vertical rod (1) is provided with triangle floor (15) with the angle center that method wheel disc (4) forms.
6. adopt the described thin-wall hollow high-pier reinforcement bar support of claim 1 to 5 any one mould bases to carry out the job practices of thin-wall hollow high-pier reinforcement installation, it is characterized in that: step is as follows:
Step 1 is according to the reinforcing bar formwork skeleton of the planar dimension of thin-wall hollow high-pier (10) design thin-wall hollow high-pier reinforcement bar support mould bases;
Step 2 is according to the accurate blanking of design drawing;
Step 3 according to Thin-wall Hollow Pier steel bar plane dead size, is cut respectively bolt hole at direction across bridge cross bar (2) and vertical bridge to cross bar (14) center, two ends;
Step 4, the mould that turns on the rollover board top that method wheel disc (4) is corresponding encloses and respectively cuts respectively 4 bolts hole (5) on the purlin (6);
Step 5,16 block plates are respectively cut respectively 1 bolt hole to form junction steel plate (7);
Step 6 is bent into isosceles triangle with reinforcing bar and forms triangular reinforced bar support (11), and makes perpendicular limb and vertical rod (1) welding of triangular reinforced bar support (11);
Step 7 form operating platform at triangular reinforced bar bracing frame equal intervals difference welding operation platform rib (12), and the horizontal outlimb welded reinforcement of triangular reinforced bar bracing frame forms fence (13);
Step 8, with vertical rod (1) respectively with junction steel plate (7) firm welding of method wheel disc (4) and the end face of bottom surface, two integral formwork support skeletons that form direction across bridge are welded respectively in vertical rod (1) and direction across bridge cross bar (2), weld respectively again diagonal brace (3) and triangular reinforced bar support (11), and then the bolt by the vertical, horizontal connecting rod connects and tightens the whole reinforcing bar support for shuttering of rear formation;
Step 9 is passed through four jiaos of assembling reinforcement support for shuttering with 2 wire rope, and reinforcement bar support mould bases handling to thin-wall hollow high-pier is turned over the mould position, transfer at a slow speed and aim to turn over and put in place after mould encloses bolt preformed hole on the purlin (6), twist in advance immediately bolt, the control verticality of hanging down is hung in long journey again, tights a bolt after complete;
Step 10 install to be adjusted direction across bridge cross bar (2) and vertical bridge to cross bar (14) according to Thin-wall Hollow Pier reinforcing bar dead size, and is checked planar dimension, verticality, carries out main reinforcement (10.1) and secondary reinforcing bar (10.2) installation of thin-wall hollow high-pier after qualified; In every section main reinforcement (10.1), top and stirrup are welded and fixed, and use with label Concrete seat pad quincuncial arrangement, and reinforcement installation should meet design and advise requirement;
Step 11, after the Thin-wall Hollow Pier reinforcement installation was finished acceptance(check), the bolt on the dismounting method wheel disc hung the reinforcement bar support mould bases Thin-wall Hollow Pier position that moves on to the construction of another one plan, successively circulation construction with tower crane.
7. the job practices of thin-wall hollow high-pier reinforcement installation according to claim 6, it is characterized in that: in the described step 10, when the reinforcement bar support mould bases with turn over mould when enclosing purlin (6) out of plumb, by method wheel disc (4) with turn over mould and enclose between the purlin (6) pad adjustment is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233184.1A CN103306206B (en) | 2013-06-13 | 2013-06-13 | A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233184.1A CN103306206B (en) | 2013-06-13 | 2013-06-13 | A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar |
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| Publication Number | Publication Date |
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| CN103306206A true CN103306206A (en) | 2013-09-18 |
| CN103306206B CN103306206B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310233184.1A Expired - Fee Related CN103306206B (en) | 2013-06-13 | 2013-06-13 | A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120656A (en) * | 2014-07-30 | 2014-10-29 | 中交一公局第四工程有限公司 | Method for automatically controlling bridge high pier construction perpendicularity |
| CN104846745A (en) * | 2015-03-19 | 2015-08-19 | 南通大学 | Urban high-pier support-free formwork turnover construction method |
| CN105926445A (en) * | 2016-05-04 | 2016-09-07 | 中国十九冶集团有限公司 | Bridge high pier self-lifting outer frame turnover formwork expansion device |
| CN107905111A (en) * | 2017-11-30 | 2018-04-13 | 中铁二十局集团有限公司 | A kind of rigid frame-continuous girder end bay construction technology |
| CN108505442A (en) * | 2017-02-24 | 2018-09-07 | 中国有色金属工业第六冶金建设有限公司 | A kind of thin-wall hollow high-pier reinforcing bar support for shuttering and construction method |
| CN111455837A (en) * | 2020-05-06 | 2020-07-28 | 中国建筑土木建设有限公司 | Thin-wall hollow pier pouring connection structure and construction method thereof |
| CN111576234A (en) * | 2020-05-29 | 2020-08-25 | 中铁一局集团有限公司 | Safe and rapid construction method for turnover-type high pier |
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| TW408775U (en) * | 1999-09-10 | 2000-10-11 | Liou Ching Shi | High pier forming device and construction method improvement |
| CN101481944A (en) * | 2009-01-06 | 2009-07-15 | 四川公路桥梁建设集团有限公司 | Method for installing reinforcing steel bars in high pier and tower rollover construction and movable support thereof |
| JP4569878B2 (en) * | 2006-08-07 | 2010-10-27 | 清水建設株式会社 | Bridge girder construction method |
| CN102493341A (en) * | 2011-11-14 | 2012-06-13 | 中交一航局第四工程有限公司 | Construction method for hollow thin-walled high pier non-bracket formwork turnover of railway |
| CN102691267A (en) * | 2012-06-11 | 2012-09-26 | 中铁大桥局股份有限公司 | High pier construction method for external whole operation platform |
| CN203284737U (en) * | 2013-06-13 | 2013-11-13 | 浙江金筑交通建设有限公司 | Steel bar supporting formwork of thin-wall hollow high pier |
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2013
- 2013-06-13 CN CN201310233184.1A patent/CN103306206B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW408775U (en) * | 1999-09-10 | 2000-10-11 | Liou Ching Shi | High pier forming device and construction method improvement |
| JP4569878B2 (en) * | 2006-08-07 | 2010-10-27 | 清水建設株式会社 | Bridge girder construction method |
| CN101481944A (en) * | 2009-01-06 | 2009-07-15 | 四川公路桥梁建设集团有限公司 | Method for installing reinforcing steel bars in high pier and tower rollover construction and movable support thereof |
| CN102493341A (en) * | 2011-11-14 | 2012-06-13 | 中交一航局第四工程有限公司 | Construction method for hollow thin-walled high pier non-bracket formwork turnover of railway |
| CN102691267A (en) * | 2012-06-11 | 2012-09-26 | 中铁大桥局股份有限公司 | High pier construction method for external whole operation platform |
| CN203284737U (en) * | 2013-06-13 | 2013-11-13 | 浙江金筑交通建设有限公司 | Steel bar supporting formwork of thin-wall hollow high pier |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120656A (en) * | 2014-07-30 | 2014-10-29 | 中交一公局第四工程有限公司 | Method for automatically controlling bridge high pier construction perpendicularity |
| CN104120656B (en) * | 2014-07-30 | 2017-01-18 | 中交一公局第四工程有限公司 | Method for automatically controlling bridge high pier construction perpendicularity |
| CN104846745A (en) * | 2015-03-19 | 2015-08-19 | 南通大学 | Urban high-pier support-free formwork turnover construction method |
| CN105926445A (en) * | 2016-05-04 | 2016-09-07 | 中国十九冶集团有限公司 | Bridge high pier self-lifting outer frame turnover formwork expansion device |
| CN108505442A (en) * | 2017-02-24 | 2018-09-07 | 中国有色金属工业第六冶金建设有限公司 | A kind of thin-wall hollow high-pier reinforcing bar support for shuttering and construction method |
| CN107905111A (en) * | 2017-11-30 | 2018-04-13 | 中铁二十局集团有限公司 | A kind of rigid frame-continuous girder end bay construction technology |
| CN111455837A (en) * | 2020-05-06 | 2020-07-28 | 中国建筑土木建设有限公司 | Thin-wall hollow pier pouring connection structure and construction method thereof |
| CN111455837B (en) * | 2020-05-06 | 2022-03-25 | 中国建筑土木建设有限公司 | Thin-wall hollow pier pouring connection structure and construction method thereof |
| CN111576234A (en) * | 2020-05-29 | 2020-08-25 | 中铁一局集团有限公司 | Safe and rapid construction method for turnover-type high pier |
| CN111576234B (en) * | 2020-05-29 | 2021-09-10 | 中铁一局集团有限公司 | Safe and rapid construction method for turnover-type high pier |
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| CN103306206B (en) | 2015-09-16 |
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