CN106049283A - Bridge rectangular pier hanging die construction method - Google Patents
Bridge rectangular pier hanging die construction method Download PDFInfo
- Publication number
- CN106049283A CN106049283A CN201610391420.6A CN201610391420A CN106049283A CN 106049283 A CN106049283 A CN 106049283A CN 201610391420 A CN201610391420 A CN 201610391420A CN 106049283 A CN106049283 A CN 106049283A
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- Prior art keywords
- pier
- die shoe
- frame
- shoe frame
- section
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 230000009194 climbing Effects 0.000 claims abstract description 18
- 238000009415 formwork Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
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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 bridge rectangular pier hanging die construction method. Four hanging die brackets are manufactured in advance according to the size of a pier body, each hanging die bracket comprises at least two triangular supports, crossbeams are arranged at the upper portions of all the triangular supports, platform panels are laid on the crossbeams, and climbing cone holes are preformed in the triangular supports. Starting from concrete pouring of the first section of a rectangular pier, climbing cones are embedded in all sections of the pier body, a formwork is detached after the first section of the pier body is poured, the four hanging die brackets are installed on the four walls of the rectangular pier, the formwork is supported on the hanging die brackets, concrete of the second section is poured, after pouring is finished, the formwork and the hanging die brackets are detached, the whole hanging die brackets are hung to the second section of the pier body, the formwork is installed on the hanging die brackets, concrete of the third section is poured, and construction is cycled up till pouring of the whole pier body is finished.
Description
Technical field
The invention belongs to science of bridge building field, relate to a kind of mould suspension construction method merging overmolded and climbing formwork for construction technique,
For bridge rectangle pier pouring construction.
Background technology
In more employing rectangle pier in middle high type Bridge Design, especially Bridges in Mountainous Areas design, most Pier Design is square
Shape pier.At present, rectangle pier pours general employing overmolded or climbing formwork for construction, and for the rectangle pier that 30-60 rice is high, over-form construction is deposited
Between certain unsafe factor, pier shaft sections, it is also easy to that faulting of slab ends occurs, affects bridge pier outward appearance, and climbing formwork for construction cost is relatively
High, it may be said that traditional overmolded or climbing formwork for construction, there is respective advantage, but all there is certain drawback.
Summary of the invention
It is an object of the invention to provide a kind of construction method merging creeping formwork and overmolded advantage, rectangle pier can be effectively ensured
Safe construction, it is to avoid the faulting of slab ends between pier shaft sections, simultaneously can save construction cost to the full extent.
For achieving the above object, the present invention is by the following technical solutions:
A kind of bridge rectangle pier mould suspension construction method, it is characterised in that:
(1) prefabricated extension die shoe frame: making 4 in advance and hang die shoe frame, described extension die shoe frame includes at least two A-frame,
Each A-frame includes a vertical supporting bar being vertically arranged, and one is horizontally disposed with and the upper end of one end and described vertical supporting bar
The horizontal support bar being welded to connect, one is welded to connect with the lower end of the other end of described horizontal support bar and described vertical supporting bar
Hound, described vertical supporting bar is provided with parallel longitudinal with described horizontal support bar climbs taper hole；Each A-frame upper
Portion, be provided with many across the crossbeam of each A-frame horizontal support bar, described crossbeam is equipped with flat surface plate；
(2) first joint pier construction: first joint pier construction uses conventional construction technique, but before installation form, colligation head saves
During pier shaft reinforcing bar, preset in 4 sides of pier shaft climb cone according to the taper hole position of climbing hung on die shoe frame；Pattern board supporting is in cushion cap
Top, starts casting concrete after using pull bar fixing, after casting concrete each preset climb front end of cone expose pier shaft side it
Outward, it is simple to install and hang die shoe frame；
(3) extension die shoe frame is installed: after first joint pier construction completes, by form removable, be respectively mounted extension in 4 sides of pier shaft
Die shoe frame；Default cone of climbing is inserted to hang and climbs taper hole on die shoe frame vertical supporting bar, fixes with bolt；
(4) second section pier construction: colligation second section pier shaft reinforcing bar, simultaneously by head save pier shaft mode preset climb cone；Will
The formwork hoisting of the every side of pier shaft is fixing to hanging installation on die shoe frame, pours second section pier shaft concrete；
(5), after second section pier construction completes, template and extension die shoe frame are removed, the extension die shoe frame of every for pier shaft side is hung
Install on second section pier shaft fixing by climbing cone installation, construct Section three by the form of construction work of second section pier shaft；Follow in this way
The follow-up sections of circulating application work, until whole pier construction completes.
Mould suspension construction method provided by the present invention, fully combines the advantage of overmolded and creeping formwork, can be cost-effective, again
Can guarantee that construction safety, construction period, between overmolded and creeping formwork, is particularly well-suited to the small rectangular high pier construction in mountain area.
Falsework is supported on extension die shoe frame by the present invention, compares over-form construction and can use a set of template less, reduces into
This, and can effectively control faulting of slab ends, divide into repairing Hanging Basket hanging die shoe frame, can in time external quality of pier defect be repaired, can
It is further ensured that external quality of pier quality；Hang die shoe frame operation platform firm stable, have sufficiently large operation platform space, to safety
Construction can play effective guarantee；The present invention compares climbing formwork for construction, it is thus only necessary to climb cone and a set of homemade bracket, equipment needed thereby
Greatly reducing, working procedure simplifies, and cost greatly reduces.
Accompanying drawing explanation
Fig. 1 is the construction process figure of the present invention；
Fig. 2 is the side view hanging die shoe frame；
Fig. 3 is the top view hanging die shoe frame；
Fig. 4 is the elevation hanging mould form of construction work；
Fig. 5 is the plane graph hanging mould form of construction work.
Detailed description of the invention
Fig. 1 is the form of construction work flow chart of the present invention, specifically comprises the following steps that
(1) prefabricated extension die shoe frame: in advance make 4 hang die shoe framves, as shown in Figure 2 and Figure 3, described extension die shoe frame include to
Few two A-frames, each A-frame includes a vertical supporting bar 1 being vertically arranged, and one is horizontally disposed with and one end is with vertical
The horizontal support bar 2 that the upper end of support bar is welded to connect, one welds with the other end of horizontal support bar and the lower end of vertical supporting bar
The hound 3 connect in succession, vertical supporting bar is provided with parallel longitudinal with horizontal support bar climbs taper hole 4；Each A-frame upper
Portion, be provided with many across the crossbeam 5 of each A-frame horizontal support bar, described crossbeam is equipped with flat surface plate 6.
During prefabricated extension die shoe frame, also can be connected end at each three-legged support hound 3 with horizontal support bar 2, welding one is erected
Straight fender rod 7, will be welded to connect by reinforcing bar 8 between the fender rod on each three-legged support.
During prefabricated extension die shoe frame, also can be by between the vertical supporting bar of each A-frame, and the diagonal brace of each A-frame
Between bar, all it is welded to connect by angle steel 9.
During prefabricated extension die shoe frame, can arrange a repairing Hanging Basket 10 hanging below die shoe frame, described repairing Hanging Basket 10 is by even
Extension bar is connected with the vertical supporting bar 1 hanging die shoe frame and horizontal support bar 2.Repairing Hanging Basket is easy to workmen and is being watered lower section
The pier shaft sections built carries out outward appearance repair operation.
(2) first joint pier construction: first joint pier construction uses conventional construction technique, but before installation form, colligation head saves
During pier shaft reinforcing bar, preset in 4 sides of pier shaft climb cone according to the taper hole position of climbing hung on die shoe frame；Pattern board supporting is in cushion cap
Top, starts casting concrete after using pull bar fixing, after casting concrete each preset climb front end of cone expose pier shaft side it
Outward, it is simple to install and hang die shoe frame.
(3) extension die shoe frame is installed: after first joint pier construction completes, by form removable, be respectively mounted extension in 4 sides of pier shaft
Die shoe frame；Default cone of climbing is inserted to hang and climbs taper hole on die shoe frame vertical supporting bar, fixes with nut.
(4) second section pier construction: colligation second section pier shaft reinforcing bar, simultaneously by head save pier shaft mode preset climb cone；Will
The formwork hoisting of the every side of pier shaft is fixing to hanging installation on die shoe frame, pours second section pier shaft concrete.
(5), after second section pier construction completes, template and extension die shoe frame are removed, the extension die shoe frame of every for pier shaft side is hung
Install on second section pier shaft fixing by climbing cone installation, construct Section three by the form of construction work of second section pier shaft；Follow in this way
The follow-up sections of circulating application work, until whole pier construction completes.
Specifically apply specific embodiment below by way of a present invention, the inventive method is further illustrated.
In the present embodiment, the bridge of construction is positioned at integral subgrade section, sets for crossing over large-scale coombe.The transition of bridge
Pier pier is high 56 meters, rectangular configuration, long × wide=6.5 meters × 2.6 meters, intends using the mould suspension construction method of the present invention.
First make and hang die shoe frame.According to pier shaft size, two brackets being arranged on pier shaft width use 2 triangles
Support, two brackets of pier shaft length direction use 3 A-frames, two A-frame spacing 2 meters that each bracket is adjacent.
A-frame is welded by No. 14 channel-section steels, and vertical supporting bar is high 1.5 meters, and horizontal support bar length 1.5 meters, level is propped up
Crossbeam on strut uses I 16 I-steel, and crossbeam upper berth steel plate is as operation platform.Fender rod uses 1.2 meters of high steel pipes,
By reinforcing bar lateral connection.Hang and below die shoe frame, set a repairing Hanging Basket, repair Hanging Basket and use common hanging basket, with angle steel and triangle
The vertical supporting bar of support and horizontal support bar are bolted.
As shown in Figure 4, Figure 5, from the beginning of pouring rectangle pier 11 first joint concrete, the most pre-buried in pier shaft climb cone 12 often saving,
Climb cone and use 10.9 grades of M36 high-strength bolts.Climb the position of cone 12 according to hang on die shoe frame climb taper hole depending on, dash forward in the end climbing cone
For rectangle pier side wall surface.After first joint pier shaft has poured, form removal, hang die shoe frame by 4, be separately mounted to rectangle pier four
Wall, is climbed cone and inserts to hang and climb taper hole on die shoe frame vertical supporting bar 1, and fixed by nut.Colligation second section pier shaft reinforcing bar, pre-
If after climbing cone, template 13 being supported on extension die shoe frame, template 13 is installed to fix and is started afterwards to pour second section concrete construction.
After having poured, template and extension die shoe frame are pulled down, then by extension die shoe frame integral hoisting to second section pier shaft, template is installed again
To hanging on die shoe frame, pouring Section three, such circulation is upwards constructed, until whole pier shaft has poured.In above-mentioned work progress,
When pouring sections above, the outward appearance matter that the pier shaft sections that lower section can have been poured on Hanging Basket 10 by workmen exists
Amount defect is repaired in time.
Claims (4)
1. a bridge rectangle pier mould suspension construction method, it is characterised in that:
(1) prefabricated extension die shoe frame: making 4 in advance and hang die shoe frame, described extension die shoe frame includes at least two A-frame, each
A-frame includes a vertical supporting bar being vertically arranged, and one is horizontally disposed with and one end is welded with the upper end of described vertical supporting bar
The horizontal support bar connected, one is oblique with what the lower end of the other end of described horizontal support bar and described vertical supporting bar was welded to connect
Strut, described vertical supporting bar is provided with parallel longitudinal with described horizontal support bar climbs taper hole；The top of each A-frame, if
There are the many crossbeams across each A-frame horizontal support bar, described crossbeam is equipped with flat surface plate；
(2) first joint pier construction: first joint pier construction uses conventional construction technique, but before installation form, colligation head saves pier shaft
During reinforcing bar, preset in 4 sides of pier shaft climb cone according to the taper hole position of climbing hung on die shoe frame；Pattern board supporting, in cushion cap top, is adopted
Starting casting concrete with pull bar after fixing, after casting concrete, each default front end climbing cone is exposed outside pier shaft side, just
Die shoe frame is hung in installing；
(3) extension die shoe frame is installed: after first joint pier construction completes, by form removable, be respectively mounted extension die shoe in 4 sides of pier shaft
Frame；Default cone of climbing is inserted to hang and climbs taper hole on die shoe frame vertical supporting bar, fixes with bolt；
(4) second section pier construction: colligation second section pier shaft reinforcing bar, simultaneously by head save pier shaft mode preset climb cone；By pier shaft
The formwork hoisting of every side is fixing to hanging installation on die shoe frame, pours second section pier shaft concrete；
(5), after second section pier construction completes, template and extension die shoe frame are removed, the extension die shoe frame of every for pier shaft side is lifted into
Pass through to climb cone on second section pier shaft and install fixing, construct Section three by the form of construction work of second section pier shaft；Circulation is executed in this way
The follow-up sections of work, until whole pier construction completes.
Bridge rectangle pier mould suspension construction method the most according to claim 1, it is characterised in that: below described extension die shoe frame
Arranging a repairing Hanging Basket, described repairing Hanging Basket is connected with the vertical supporting bar hanging die shoe frame and horizontal support bar by connecting rod；
Construct a upper joint pier shaft time, workmen carries out outward appearance repair behaviour by repairing the pier shaft sections that poured lower section of Hanging Basket
Make.
Bridge rectangle pier mould suspension construction method the most according to claim 1, it is characterised in that: during prefabricated extension die shoe frame,
Each three-legged support hound is connected end with horizontal support bar, welds a vertical fender rod, by the protection on each three-legged support
Connected by reinforcement welding between bar.
Bridge rectangle pier mould suspension construction method the most according to claim 1, it is characterised in that: during prefabricated extension die shoe frame, will
Between the vertical supporting bar of each A-frame, and between the hound of each A-frame, all it is welded to connect by angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391420.6A CN106049283A (en) | 2016-06-05 | 2016-06-05 | Bridge rectangular pier hanging die construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391420.6A CN106049283A (en) | 2016-06-05 | 2016-06-05 | Bridge rectangular pier hanging die construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106049283A true CN106049283A (en) | 2016-10-26 |
Family
ID=57170203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391420.6A Pending CN106049283A (en) | 2016-06-05 | 2016-06-05 | Bridge rectangular pier hanging die construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106049283A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267494A (en) * | 2018-11-16 | 2019-01-25 | 中交路桥建设有限公司 | A kind of hood type hydraulic climbing formwork system and construction method for cylinder pier construction |
| CN114016439A (en) * | 2021-11-12 | 2022-02-08 | 中铁三局集团第五工程有限公司 | Construction method for upper pier body and No. 0 block bracket of rotating bridge in high pier |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008208594A (en) * | 2007-02-26 | 2008-09-11 | Ps Mitsubishi Construction Co Ltd | Method for constructing upper section of bridge pier by cantilever erection 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 |
| CN103046473A (en) * | 2013-01-15 | 2013-04-17 | 中国土木工程集团有限公司 | Construction method for constructing double-limb hollow high-pier mould side hydraulic jacking creeping formwork and double-limb hollow high-pier |
| CN103306208A (en) * | 2013-07-05 | 2013-09-18 | 中南大学 | Formwork creeping method for novel 1.6 parabola-shaped four-column type hollow variable section high pier |
| CN104695337A (en) * | 2015-01-26 | 2015-06-10 | 中交一公局厦门工程有限公司 | Self-lifting sliding and turnover construction system and construction method |
| CN104963289A (en) * | 2015-06-09 | 2015-10-07 | 沈阳市政集团有限公司 | Integral one-time pouring construction method of large-volume concrete for special-shaped pier stud |
-
2016
- 2016-06-05 CN CN201610391420.6A patent/CN106049283A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008208594A (en) * | 2007-02-26 | 2008-09-11 | Ps Mitsubishi Construction Co Ltd | Method for constructing upper section of bridge pier by cantilever erection 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 |
| CN103046473A (en) * | 2013-01-15 | 2013-04-17 | 中国土木工程集团有限公司 | Construction method for constructing double-limb hollow high-pier mould side hydraulic jacking creeping formwork and double-limb hollow high-pier |
| CN103306208A (en) * | 2013-07-05 | 2013-09-18 | 中南大学 | Formwork creeping method for novel 1.6 parabola-shaped four-column type hollow variable section high pier |
| CN104695337A (en) * | 2015-01-26 | 2015-06-10 | 中交一公局厦门工程有限公司 | Self-lifting sliding and turnover construction system and construction method |
| CN104963289A (en) * | 2015-06-09 | 2015-10-07 | 沈阳市政集团有限公司 | Integral one-time pouring construction method of large-volume concrete for special-shaped pier stud |
Non-Patent Citations (1)
| Title |
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| 韩战涛: "悬臂挂模在复杂地形高墩施工中的应用", 《科技创新导报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267494A (en) * | 2018-11-16 | 2019-01-25 | 中交路桥建设有限公司 | A kind of hood type hydraulic climbing formwork system and construction method for cylinder pier construction |
| CN109267494B (en) * | 2018-11-16 | 2023-10-03 | 中交路桥建设有限公司 | Hoop type hydraulic climbing formwork system for cylindrical pier construction and construction method |
| CN114016439A (en) * | 2021-11-12 | 2022-02-08 | 中铁三局集团第五工程有限公司 | Construction method for upper pier body and No. 0 block bracket of rotating bridge in high pier |
| CN114016439B (en) * | 2021-11-12 | 2024-06-04 | 中铁三局集团有限公司 | Construction method for upper pier body and No. 0 block support of middle-rotation body bridge of high pier |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |