CN103306206B - A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar - Google Patents

A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar Download PDF

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Publication number
CN103306206B
CN103306206B CN201310233184.1A CN201310233184A CN103306206B CN 103306206 B CN103306206 B CN 103306206B CN 201310233184 A CN201310233184 A CN 201310233184A CN 103306206 B CN103306206 B CN 103306206B
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bar
bridge
hollow
thin
pier
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CN103306206A (en
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郑竟友
叶水标
曾先才
李云龙
范丰安
傅建红
董国君
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ZHEJIANG JINZHU TRANSPORTATION CONSTRUCTION CO Ltd
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ZHEJIANG JINZHU TRANSPORTATION CONSTRUCTION CO Ltd
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Abstract

Adopt a construction method for thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar, described reinforcement bar support mould bases comprises reinforcing bar formwork skeleton and operating platform, and described reinforcing bar formwork skeleton is made up of to cross bar vertical rod, direction across bridge cross bar and vertical bridge; Described vertical rod bottom is provided with method wheel disc, described vertical rod bottom and method wheel disc are welded to connect, described method wheel disc is enclosed purlin be 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 indulged bridge by bolt and top and is connected to cross bar, and described direction across bridge cross bar vertically vertical bridge is set up at its end face to cross bar and is bolted; Described operating platform is made up 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 divides equally distribution, and its end cross-arm is on triangular reinforced bar support.Have and be easy to Control protection layer thickness, the advantages such as safe and reliable saving construction cost.

Description

A kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar
Technical field
The present invention relates to a kind of construction method adopting reinforcement bar support mould bases to carry out reinforcement installation, particularly a kind of construction method of thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar.
Background technology
Speedway is to mountain development, and the bridge crossing over mountains and rivers reservoir gets more and more, and due to geographical relationship, pier stud is higher, be often designed to high pier Thin-wall Hollow Pier, and the reinforcing bar binding installation that towering Thin-wall Hollow Pier turns over method constructing and overhanging model has a difficult problem.Because conventional construction method has two kinds: one sets up steel pipe support in pier stud surrounding, also be the working platform of stair activity and reinforcement installation, and the steel pipe support set up is higher than each height installing reinforcing bar length, then in the bracket between, i.e. Thin-wall Hollow Pier position, longitudinal and transverse direction connects with steel tube sets up into groined type shape, i.e. the peripheral dead size of reinforcing bar, then installs assembling reinforcement, the reinforcement cover of the method is wayward, engineering time is longer, costly, there is potential safety hazard; At every turn another kind method sets up steel tube well font simple rack along rollover board surrounding; in groined type support, lay flitch again make construction working platform; then assembling reinforcement is installed; often turn over mould once to construct the circulating process all needing to carry out removing, installing; the reinforcement cover difficulty of the method controls; labour cost is higher, there is potential safety hazard.
Summary of the invention
The object of this invention is to provide a kind of construction method adopting thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar; solve protective layer thickness when utilizing existing reinforcing bar binding support to carry out reinforcing bar binding to be difficult to control; process complexity set up by support, sets up cost higher and there is the technical problem of potential safety hazard in use procedure.
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, be arranged on the thin-wall hollow high-pier periphery of intending construction, comprise reinforcing bar formwork skeleton and operating platform, described reinforcing bar formwork skeleton is made up of to cross bar vertical rod, direction across bridge cross bar and vertical bridge; Described vertical rod bottom is provided with method wheel disc, described vertical rod bottom and method wheel disc are welded to connect, described method wheel disc is enclosed purlin be 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 indulged bridge by bolt and top and is connected to cross bar, and described direction across bridge cross bar vertically vertical bridge is set up at its end face to cross bar and is bolted;
Described operating platform is made up 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 divides equally distribution, and its end cross-arm is on 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 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 are formed is provided with triangle floor.
Described thin-wall hollow high-pier reinforcement bar support mould bases carries out the construction method of thin-wall hollow high-pier reinforcement installation, and step is as follows:
Step one, according to the reinforcing bar formwork skeleton of the planar dimension design thin-wall hollow high-pier reinforcement bar support mould bases of thin-wall hollow high-pier.
Step 2, according to the accurate blanking of design drawing.
Step 3, according to Thin-wall Hollow Pier steel bar plane dead size, cuts bolt hole at direction across bridge cross bar and vertical bridge to center, cross bar two ends respectively.
Step 4, encloses each cutting of difference 4 bolts hole on purlin by the mould that turns on rollover board top corresponding for wheel of the law dish.
Step 5, the 16 block plates each cuttings of difference, 1 bolt hole is to form junction steel plate.
Step 6, is bent into isosceles triangle and forms triangular reinforced bar support, and the perpendicular limb of triangular reinforced bar support is welded with vertical rod by reinforcing bar.
Step 7, on triangular reinforced bar support, equidistantly welding operation platform rib forms operating platform respectively, and the horizontal outlimb welded reinforcement of triangular reinforced bar support is formed as fence.
Step 8, by vertical rod respectively with the method wheel disc of bottom surface and the junction steel plate firm welding of end face, vertical rod and direction across bridge cross bar are welded respectively two the integral formwork support skeletons forming direction across bridge, weld diagonal brace and triangular reinforced bar support respectively again, and then connected by the bolt of vertical, horizontal connecting rod and tighten the overall reinforcing bar support for shuttering of rear formation.
Step 9, passes through assembling reinforcement support for shuttering corner with 2 wire rope, and the handling of reinforcement bar support mould bases is turned over mould position to thin-wall hollow high-pier, transfer at a slow speed and aim at turn over bolt box that mould encloses on purlin after put in place, twist bolt in advance immediately, then control verticality of hanging down is hung in long journey, tights a bolt after complete.
Step 10, according to Thin-wall Hollow Pier reinforcing bar dead size mounting and adjusting direction across bridge cross bar and vertical bridge to cross bar, and checks planar dimension, verticality, carries out the main reinforcement of thin-wall hollow high-pier and secondary reinforcement installation after qualified; In every section of main reinforcement, top and stirrup are welded and fixed, and by same label Concrete seat pad quincuncial arrangement, and reinforcement installation should meet design rule and to fall requirement.
Step 11, after Thin-wall Hollow Pier reinforcement installation completes acceptance(check), the bolt on dismounting method wheel disc, with tower crane, reinforcement bar support mould bases is hung the Thin-wall Hollow Pier position moving on to another one and intend constructing, circulate construction successively.
In described step 10, when reinforcement bar support mould bases with turn over mould enclose purlin out of plumb time, by method wheel disc with turn over mould and enclose between purlin and arrange pad to adjust.
Compared with prior art the present invention has following characteristics and beneficial effect: formwork skeleton and operation platform are provided separately by reinforcement bar support mould bases of the present invention; operation platform is hung over the outer wall of formwork skeleton; this form of structure has certain distance due to operating platform and pier shaft; can be convenient to arrange the cushion block for Control protection layer thickness; thus the accurate control realized 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, bottom it by bolt with turn over mould and enclose purlin and be fixedly connected with, install, dismantle and move very convenient being convenient to have enough to meet the need, and verticality and stability are easy to adjustment, there is 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.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
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 in Fig. 5.
Fig. 7 is D place detail drawing in Fig. 5.
Fig. 8 is E place detail drawing in Fig. 5.
Fig. 9 is that junction steel plate is connected detail drawing with column.
Figure 10 is that 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 that mould encloses 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, 14-indulge bridge to cross bar, 15-triangle floor.
Detailed description of the invention
Embodiment is see shown in Fig. 1 to Figure 10, a kind of thin-wall hollow high-pier reinforcement bar support mould bases, be arranged on thin-wall hollow high-pier 10 periphery of intending construction, comprise reinforcing bar formwork skeleton and operating platform, described reinforcing bar formwork skeleton is made up 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 is enclosed purlin 6 be 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 indulged bridge by bolt 9 and top and is connected to cross bar 14, and described direction across bridge cross bar 2 vertically vertical bridge is set up at its end face to cross bar 14 and is bolted.
Described operating platform is made up 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 divides 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 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.
The angle center that described vertical rod 1 and wheel of the law dish 4 are formed is provided with triangle floor 15.
Described thin-wall hollow high-pier reinforcement bar support mould bases carries out the construction method of thin-wall hollow high-pier reinforcement installation, and step is as follows: step one, according to the reinforcing bar formwork skeleton of the planar dimension design thin-wall hollow high-pier reinforcement bar support mould bases of thin-wall hollow high-pier 10.
Step 2, according to the accurate blanking of design drawing.
Step 3, according to Thin-wall Hollow Pier steel bar plane dead size, cuts bolt hole at direction across bridge cross bar 2 and vertical bridge to center, cross bar 14 two ends respectively.
Step 4, encloses each cutting of difference 4 bolts hole 5 on purlin 6 by the mould that turns on the rollover board top of wheel of the law dish 4 correspondence.
Step 5, the 16 block plates each cuttings of difference, 1 bolt hole is to form junction steel plate 7.
Step 6, is bent into isosceles triangle and forms triangular reinforced bar support 11, and the perpendicular limb of triangular reinforced bar support 11 is welded with vertical rod 1 by reinforcing bar.
Step 7, on triangular reinforced bar support, equidistantly welding operation platform rib 12 forms operating platform respectively, and the horizontal outlimb welded reinforcement of triangular reinforced bar support is formed as fence 13.
Step 8, by vertical rod 1 respectively with the wheel of the law dish 4 of bottom surface and junction steel plate 7 firm welding of end face, vertical rod 1 and direction across bridge cross bar 2 are welded respectively two the integral formwork support skeletons forming direction across bridge, weld diagonal brace 3 and triangular reinforced bar support 11 respectively again, and then connected by the bolt of vertical, horizontal connecting rod and tighten the overall reinforcing bar support for shuttering of rear formation.
Step 9, passes through assembling reinforcement support for shuttering corner with 2 wire rope, and the handling of reinforcement bar support mould bases is turned over mould position to thin-wall hollow high-pier, transfer at a slow speed and aim at turn over bolt box that mould encloses on purlin 6 after put in place, twist bolt in advance immediately, then control verticality of hanging down is hung in long journey, tights a bolt after complete.
Step 10, according to Thin-wall Hollow Pier reinforcing bar dead size mounting and adjusting direction across bridge cross bar 2 and vertical bridge to cross bar 14, and check planar dimension, verticality, the main reinforcement 10.1 and the secondary reinforcing bar 10.2 that carry out thin-wall hollow high-pier after qualified are installed; In every section of main reinforcement 10.1, top and stirrup are welded and fixed, and by same label Concrete seat pad quincuncial arrangement, and reinforcement installation should meet design rule and to fall requirement; When reinforcement bar support mould bases with turn over mould enclose purlin 6 out of plumb time, by wheel of the law dish 4 with turn over mould and enclose between purlin 6 and arrange pad to adjust.Connect to come micro-whole by direction across bridge cross bar 2 and vertical bridge to the bolt between cross bar 14 simultaneously.
Step 11, after Thin-wall Hollow Pier reinforcement installation completes acceptance(check), the bolt on dismounting method wheel disc, with tower crane, reinforcement bar support mould bases is hung the Thin-wall Hollow Pier position moving on to another one and intend constructing, circulate construction successively.

Claims (5)

1. one kind adopts the construction method of thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar, it is characterized in that: described thin-wall hollow high-pier reinforcement bar support mould bases is arranged on thin-wall hollow high-pier (10) periphery of intending construction, comprise reinforcing bar formwork skeleton and operating platform, described reinforcing bar formwork skeleton is made up 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) is enclosed purlin (6) be fixedly connected with by the mould that turns over of bolt (9) and set shaped steel formwork (8), described method wheel disc (4) and the described mould that turns over enclose and to be provided with adjustable reinforced support for shuttering between purlin (6) and to turn over the pad that mould encloses verticality between purlin (6), described vertical rod (1) top is welded with junction steel plate (7), described junction steel plate (7) is indulged bridge by bolt (9) and top and is connected to cross bar (14), described direction across bridge cross bar (2) vertically vertical bridge is set up at its end face to cross bar (14) and is bolted,
Described operating platform is made up 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) divides equally distribution, and its end cross-arm is on triangular reinforced bar support (11);
Step is as follows:
Step one, according to the reinforcing bar formwork skeleton of the planar dimension design thin-wall hollow high-pier reinforcement bar support mould bases of thin-wall hollow high-pier (10);
Step 2, according to the accurate blanking of design drawing;
Step 3, according to Thin-wall Hollow Pier steel bar plane dead size, cuts bolt hole at direction across bridge cross bar (2) and vertical bridge to cross bar (14) center, two ends respectively;
Step 4, encloses upper each cutting 4 bolts hole (5) respectively of purlin (6) by the mould that turns on rollover board top corresponding for method wheel disc (4);
Step 5, the 16 block plates each cuttings of difference, 1 bolt hole is to form junction steel plate (7);
Step 6, is bent into isosceles triangle and forms triangular reinforced bar support (11), and the perpendicular limb of triangular reinforced bar support (11) is welded with vertical rod (1) by reinforcing bar;
Step 7, on triangular reinforced bar support, equidistantly welding operation platform rib (12) forms operating platform respectively, and the horizontal outlimb welded reinforcement of triangular reinforced bar support is formed as fence (13);
Step 8, by vertical rod (1) respectively with the method wheel disc (4) of bottom surface and junction steel plate (7) firm welding of end face, vertical rod (1) and direction across bridge cross bar (2) are welded respectively two the integral formwork support skeletons forming direction across bridge, weld diagonal brace (3) and triangular reinforced bar support (11) more respectively, and then connected by the bolt of vertical, horizontal connecting rod and tighten the overall reinforcing bar support for shuttering of rear formation;
Step 9, passes through assembling reinforcement support for shuttering corner with 2 wire rope, and the handling of reinforcement bar support mould bases is turned over mould position to thin-wall hollow high-pier, transfer at a slow speed and aim at turn over bolt box that mould encloses on purlin (6) after put in place, twist bolt in advance immediately, then control verticality of hanging down is hung in long journey, tights a bolt after complete;
Step 10, according to Thin-wall Hollow Pier reinforcing bar dead size mounting and adjusting direction across bridge cross bar (2) and vertical bridge to cross bar (14), and checks planar dimension, verticality, and the main reinforcement (10.1) and the secondary reinforcing bar (10.2) that carry out thin-wall hollow high-pier after qualified are installed; In every section of main reinforcement (10.1), top and stirrup are welded and fixed, and by same label Concrete seat pad quincuncial arrangement, reinforcement installation should meet design specifications requirement;
Step 11, after Thin-wall Hollow Pier reinforcement installation completes acceptance(check), the bolt on dismounting method wheel disc, with tower crane, reinforcement bar support mould bases is hung the Thin-wall Hollow Pier position moving on to another one and intend constructing, circulate construction successively.
2. the construction method of employing thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar according to claim 1, is characterized in that: adjacent direction across bridge cross bar (2) and adjacent vertical bridge are provided with diagonal brace (3) on the vertical rod section between cross bar (14).
3. the construction method of employing thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar according to claim 1, it is characterized in that: described vertical rod (1) is square steel, described direction across bridge cross bar (2) and vertical bridge are channel-section steel to cross bar (14).
4. the construction method of employing thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar according to claim 1, is characterized in that: the angle center that described vertical rod (1) and method wheel disc (4) are formed is provided with triangle floor (15).
5. the construction method of employing thin-wall hollow high-pier reinforcement bar support fixing of the forming frame reinforcing bar according to claim 1, it is characterized in that: in described step 10, when reinforcement bar support mould bases with turn over mould enclose purlin (6) out of plumb time, by method wheel disc (4) with turn over mould and enclose between purlin (6) and arrange pad to adjust.
CN201310233184.1A 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 Active CN103306206B (en)

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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
CN104846745B (en) * 2015-03-19 2017-01-11 南通大学 Urban high-pier support-free formwork turnover construction method
CN105926445B (en) * 2016-05-04 2017-12-29 中国十九冶集团有限公司 Bridge High-pier rises outrigger overmolded retractor device certainly
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
CN107905111B (en) * 2017-11-30 2019-02-15 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
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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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
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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
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