CN109555017A - A kind of separate type bridge guardian column formwork for placing and construction method - Google Patents
A kind of separate type bridge guardian column formwork for placing and construction method Download PDFInfo
- Publication number
- CN109555017A CN109555017A CN201910017197.2A CN201910017197A CN109555017A CN 109555017 A CN109555017 A CN 109555017A CN 201910017197 A CN201910017197 A CN 201910017197A CN 109555017 A CN109555017 A CN 109555017A
- Authority
- CN
- China
- Prior art keywords
- side plate
- core plate
- plate
- pull rod
- protective fence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention provides a kind of separate type bridge guardian column formwork for placing and construction method, and template includes two exterior sheathings and the inner template between two exterior sheathings, and inner template includes a core plate, and one block of side plate is respectively arranged in core plate two sides；And the height of core plate is higher than both side plate；Two lifting hole(eyelet)s are set at the position that core plate is higher by both side plate, is provided with tension rod thru-hole on core plate and both side plate, the bottom edge of core plate and both side plate is provided with the pull rod card slot of arc；It is arranged from the lower pull rod passed through from the upper connecting rod passed through in tension rod thru-hole and from pull rod card slot by two exterior sheathings and drawing is fixed.After the completion of protective fence concreting, when internal model demoulding, first extracts core plate out, then respectively takes out both side plate.The present invention can solve the problem that separate type bridge guardian column internal model can not be taken out, and internal model is reusable.
Description
Technical field
The invention belongs to science of bridge building fields, and in particular to a kind of template for bridge center anticollision barrier pouring construction
And pouring construction method.
Background technique
Affiliated facility of the bridge guardrail as bridge is to ensure that the security-critical safeguard structure of driving, pedestrains safety.It is anti-
Guardrail generallys use concrete pouring construction.For being equipped with the bridge in Bidirectional separating lane, protected except being arranged in bridge two sides
Marge there is provision of guardian column in bridge center.As shown in Figure 1, separate type bridge 100, which is usually set, controls two width bridges, two
Have certain gap 101 among width bridge, and the protective fence 102 in bridge center will also be set as left and right width accordingly, among two width
Corresponding gap is set.It, can be fixed using medial and lateral when pouring construction for the two biggish protective fences of width separating distance of left and right
Steel form framing is constructed, and for the lesser protective fence of left and right width separating distance, it at present can only be in left and right width protective fence
Bamboo slab rubber is placed in gap or other packing materials serve as internal model, then left and right width installation outboard template is constructed simultaneously, this
The drawbacks of kind construction method is that internal model can not be taken out after the completion of pouring, and needs to expend lot of materials, not only increases engineering cost, and
By packing material stiffness effect, anticollision barrier gap line style is also not readily available control.
Summary of the invention
It is an object of the invention to provide one kind aiming at the problem that left and right smaller internal model of width guardrail intermediate gap can not be taken out
For the template that separate type bridge guardian column pours, and the method that protective fence pouring construction is carried out using the template,
Internal model can smoothly be taken out after the completion of pouring, reduce construction cost, and guarantee construction quality.
To achieve the above object, the present invention provides a kind of separate type bridge guardian column formwork for placing, including sets relatively
The two protective fence exterior sheathings set, and the inner template between two exterior sheathings are respectively arranged on the outside of two exterior sheathing
External mold upright bar, and the height of upright bar is higher than the height of the exterior sheathing, it is characterised in that:
The inner template includes a core plate, is close to the core plate two sides and one block of side plate, the core plate and both side plate is respectively arranged
Height be above the exterior sheathing, wherein the height of core plate is higher than both side plate again；It is higher by the position of both side plate in core plate, left and right
Two lifting hole(eyelet)s are symmetrical arranged, be higher than exterior sheathing in core plate and both side plate and are lower than the position of the external mold upright bar, it is outer described in face
Mould upright bar is provided with the tension rod thru-hole through core plate and both side plate, distinguishes in the two external mold upright bar of bottom edge face of core plate and both side plate
It is provided with the pull rod card slot of arc；In the upper end of external mold upright bar setting in two external mold upright bars to pull rod, it is described on to drawing
Bar is passed through from the tension rod thru-hole on core plate and both side plate；In the lower end of two external mold upright bars, setting is through the lower right of two external mold upright bars
Pull rod, it is described lower pull rod to be passed through from the pull rod card slot on core plate and both side plate bottom edge.
It is carried out in separate type bridge the present invention also provides a kind of using above-mentioned separate type bridge guardian column formwork for placing
The method for entreating protective fence pouring construction, it is characterised in that:
(1) in the framework of steel reinforcement of protective fence design position installation left and right width protective fence, on the width framework of steel reinforcement of left and right respectively
3 row's fixed internal formwork muscle of upper, middle and lower of weld horizontal setting, between the fixed internal formwork muscle end on the width framework of steel reinforcement of left and right between
Away from the spacing being equal between left and right width protective fence；
(2) protective fence exterior sheathing is installed respectively on the outside of two frameworks of steel reinforcement, and under installing to pull rod by two exterior sheathings to drawing；
(3) inner template is installed between the fixed internal formwork muscle on two width frameworks of steel reinforcement, first installation side plate, then installs
Core plate, finally installs another side plate, and the pull rod card slot on core plate and both side plate bottom edge is stuck in lower on pull rod；
(4) install to pull rod, on to the tension rod thru-hole passed through among pull rod on core plate and both side plate, both ends are respectively and outside
Upright bar on the outside of template is fixed；
(5) protective fence concrete is poured；
(6) after concrete strength reaches strength of mould stripping, start by following below scheme form removal:
(61) lower pull rod, upper connecting rod and two exterior sheathings are successively removed；
(62) two lifting hole(eyelet)s on core plate are passed through with lifting rope to take out core plate with truck crane by the upward lifting of core plate；
(63) side plate is agitated, the side plate and concrete are detached from, then first the pull rod on the side plate is passed through with lifting rope and leads to
Hole is hung out the side plate with truck crane；Another side plate is hung out with same method, completes demoulding.
The present invention is poured for left and right small-pitch protective fence using 3 piece combined templates as protective fence inner template
Inner template fragment can be taken out after the completion of building, solve the problems, such as that current separate type bridge guardian column internal model can not be taken out,
And internal model is reusable, and construction quality, cost is made to be effectively controlled, and can construct for such protective fence and provide effective reference.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on separate type bridge guardian column；
Fig. 2 is formwork structure schematic diagram of the invention；
Fig. 3 is the partial structural diagram of inner template；
Fig. 4 is the planar structure schematic diagram of inner template core plate；
Fig. 5 is the planar structure schematic diagram of inner template side plate；
Template use state diagram Fig. 6 of the invention.
Specific embodiment
As shown in Fig. 2, the present invention includes two protective fence exterior sheathings 1 being oppositely arranged, and between two exterior sheathings
Inner template 2, the outside of two exterior sheathing 1 is respectively arranged with external mold upright bar 3, and the height of upright bar 3 is higher than the exterior sheathing 1
Highly.
The structure of the inner template 2 is close to the core plate two sides and one piece of side is respectively arranged as shown in figure 3, including a core plate 21
The height of plate 22, the core plate 21 and both side plate 22 is above the exterior sheathing 1, and wherein the height of core plate 21 is higher than both side plate again
22。
The structure of core plate 21 is as shown in figure 4, the structure of side plate 22 is as shown in Figure 5.It is higher by the position of both side plate in core plate 21,
Two lifting hole(eyelet)s 23 are symmetrical set, be higher than exterior sheathing in core plate and both side plate and are lower than the position of the external mold upright bar, face
The external mold upright bar 3 is provided with the tension rod thru-hole 24 through core plate and both side plate, outside the bottom edge face two of core plate and both side plate
Mould upright bar is respectively arranged with the pull rod card slot 25 of arc.
As shown in Figure 1, in the setting of the upper end of external mold upright bar 3 to pull rod 4 in two external mold upright bars, it is described on to pull rod
4 pass through from the tension rod thru-hole 24 on core plate and both side plate；In the lower end of two external mold upright bars 3, setting is under two external mold upright bars
It is described lower pull rod 5 to be passed through from the pull rod card slot 25 on core plate and both side plate bottom edge to pull rod 5.
In one embodiment of the invention, it is adopted between bridge median strip protective fence or so width there are the gap of 2cm
With template construction of the invention, the core plate of inner template uses the steel plate of 125 × 139 × 0.6cm, and both side plate is all made of 125 × 132
The steel plate of × 0.6cm.Concrete construction method is as follows:
(1) as shown in fig. 6, the framework of steel reinforcement 6 of left and right width protective fence is installed in protective fence design position, in left and right width reinforcing bar
Horizontally disposed 3 row's fixed internal formwork muscle 7 of upper, middle and lower, the fixed internal formwork muscle 7 on the width framework of steel reinforcement of left and right are respectively welded on skeleton
Spacing between end is equal to the spacing between left and right width protective fence.
The main function of fixed internal formwork muscle 7 is the spacing controlled between left and right width protective fence, and fixes inner template.In 3 rows
Mould positioning bar 7 is longitudinally disposed along guardrail respectively.In the present embodiment, in each row's fixed internal formwork muscle 7, between adjacent fixed internal formwork muscle
Away from for 1.25m, every fixed internal formwork muscle and protective fence framework of steel reinforcement spot-welded.
After the completion of fixed internal formwork muscle 7 welds, the bamboo slab rubber in covering gap is placed in the gap top surface between two width bridges, with
It is only starched conducive to protective fence bottom when pouring.The bamboo slab rubber 10cm wide, 1cm used in the present embodiment is thick.
(2) protective fence exterior sheathing 1 is respectively set on the outside of two frameworks of steel reinforcement, and to pull rod 5 that two exterior sheathings 1 are right under installation
It draws.
When exterior sheathing 1 is installed, the settable 3cm M10 mortar levelling layer between external mold bottom surface and beam slab top surface.
(3) inner template 2 is installed between the fixed internal formwork muscle 7 on two width frameworks of steel reinforcement 6, the side of inner template is installed first
Then plate 22 installs core plate 21, finally installs another side plate, the pull rod card slot on core plate and both side plate bottom edge is stuck in lower to drawing
On bar, and it is closely knit to guarantee that core plate and both side plate bottom edge are contacted with the bamboo slab rubber of lower section.
When inner template is installed, one layer of lithium saponify butter can be uniformly brushed between core plate and both side plate, reduce core plate and two
Frictional force between side plate can come out core plate and the smooth lifting of side plate when being convenient for demoulding.
(4) install to pull rod 4, on to the tension rod thru-hole 24 passed through among pull rod 4 on core plate and both side plate, both ends difference
It is fixed with the upright bar on the outside of exterior sheathing, entire template is installed.
(5) after template is installed, start to pour protective fence concrete.
(6) after the completion of concreting, after concrete strength reaches strength of mould stripping, start form removal.It is common to tear open
Mould intensity is that concrete strength reaches 2.5Mpa or more, can guarantee that surface and corner angle are not damaged because of demoulding.
Form removable process is as follows:
Lower pull rod 5, upper connecting rod 4 and two exterior sheathings 1 are successively removed first；
Then two lifting hole(eyelet)s 23 on internal model core plate 21 are passed through with lifting rope, with truck crane by the upward lifting of core plate, by core plate 21
It takes out；
Side plate 22 is agitated again, is detached from the side plate and concrete, is then first passed through the pull rod on the side plate with lifting rope and is led to
Hole 24 is hung out the side plate with truck crane；Another side plate is hung out with same method, completes demoulding.One section of protective fence construction
After the completion, template next construction location is moved on to be recycled.
Claims (6)
1. a kind of separate type bridge guardian column formwork for placing including two protective fence exterior sheathings being oppositely arranged, and is located at
Inner template between two exterior sheathings is respectively arranged with external mold upright bar on the outside of two exterior sheathing, and the height of upright bar is higher than institute
State the height of exterior sheathing, it is characterised in that: the inner template includes a core plate, is close to the core plate two sides and one piece of side is respectively arranged
The height of plate, the core plate and both side plate is above the exterior sheathing, and wherein the height of core plate is higher than both side plate again；In core plate height
The position of both side plate out is symmetrical set two lifting hole(eyelet)s, is higher than exterior sheathing in core plate and both side plate and stands lower than the external mold
The position of bar, external mold upright bar described in face is provided with the tension rod thru-hole through core plate and both side plate, at the bottom of core plate and both side plate
Face two external mold upright bar in side is respectively arranged with the pull rod card slot of arc；In the upper end of external mold upright bar, setting is through two external mold upright bars
On to pull rod, it is described on pull rod is passed through from the tension rod thru-hole on core plate and both side plate；It is arranged in the lower end of two external mold upright bars
It is described lower pull rod to be passed through from the pull rod card slot on core plate and both side plate bottom edge through the lower to pull rod of two external mold upright bars.
2. a kind of anti-using separate type bridge guardian column formwork for placing described in claim 1 progress separate type bridge center
Guardrail pouring construction method, it is characterised in that:
(1) it in the framework of steel reinforcement of protective fence design position installation left and right width protective fence, is respectively welded on the width framework of steel reinforcement of left and right
Horizontally disposed 3 row's fixed internal formwork muscle of upper, middle and lower, the spacing etc. between fixed internal formwork muscle end on the width framework of steel reinforcement of left and right
Spacing between the width protective fence of left and right；
(2) protective fence exterior sheathing is installed respectively on the outside of two frameworks of steel reinforcement, and under installing to pull rod by two exterior sheathings to drawing；
(3) inner template is installed between the fixed internal formwork muscle on two width frameworks of steel reinforcement, first installation side plate, then core is installed
Plate, finally installs another side plate, and the pull rod card slot on core plate and both side plate bottom edge is stuck in lower on pull rod；
(4) install to pull rod, on to the tension rod thru-hole passed through among pull rod on core plate and both side plate, both ends respectively with exterior sheathing
The upright bar in outside is fixed；
(5) protective fence concrete is poured；
(6) after concrete strength reaches strength of mould stripping, start by following below scheme form removal:
(61) lower pull rod, upper connecting rod and two exterior sheathings are successively removed；
(62) two lifting hole(eyelet)s on core plate are passed through with lifting rope to take out core plate with truck crane by the upward lifting of core plate；
(63) side plate is agitated, the side plate and concrete are detached from, then first the tension rod thru-hole on the side plate is passed through with lifting rope, uses
Truck crane hangs out the side plate；Another side plate is hung out with same method, completes demoulding.
3. separate type bridge guardian column according to claim 2 pouring construction method, it is characterised in that: the internal model
Spacer bar is longitudinally disposed along guardrail, spacing 1.25m, with protective fence framework of steel reinforcement spot-welded.
4. separate type bridge guardian column according to claim 2 pouring construction method, it is characterised in that: fixed internal formwork
After the completion of muscle welding, the bamboo slab rubber in covering gap is placed in the gap top surface between two width bridges, so that protective fence bottom is stopped
Slurry.
5. separate type bridge guardian column according to claim 2 pouring construction method, it is characterised in that: installation external mold
When plate, 3cm M10 mortar levelling layer is set between exterior sheathing bottom surface and beam slab top surface.
6. separate type bridge guardian column according to claim 2 pouring construction method, it is characterised in that: installation internal model
When plate, one layer of lithium saponify butter is uniformly brushed between core plate and both side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017197.2A CN109555017A (en) | 2019-01-08 | 2019-01-08 | A kind of separate type bridge guardian column formwork for placing and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017197.2A CN109555017A (en) | 2019-01-08 | 2019-01-08 | A kind of separate type bridge guardian column formwork for placing and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555017A true CN109555017A (en) | 2019-04-02 |
Family
ID=65872431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910017197.2A Pending CN109555017A (en) | 2019-01-08 | 2019-01-08 | A kind of separate type bridge guardian column formwork for placing and construction method |
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| CN (1) | CN109555017A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523089A (en) * | 2020-11-06 | 2021-03-19 | 江苏镇江路桥工程有限公司 | Template is pour to disconnect-type bridge central authorities rail guard |
| CN113585858A (en) * | 2021-07-24 | 2021-11-02 | 深圳市中弘建设工程有限公司 | Building method of municipal garden building decorative column |
| CN113737652A (en) * | 2021-07-30 | 2021-12-03 | 中铁十九局集团第五工程有限公司 | Temporary supporting structure for simply supported channel beam |
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| CN205529887U (en) * | 2016-01-26 | 2016-08-31 | 中铁港航局集团有限公司 | Bridge concrete anticollision barrier vertical expansion joint construction system |
| CN106064423A (en) * | 2016-06-05 | 2016-11-02 | 中交路桥建设有限公司 | A kind of prefabricated culvert contains the method for joint |
| CN206706580U (en) * | 2017-04-18 | 2017-12-05 | 中交路桥建设有限公司 | A kind of guardrail template for being easy to Fast Installation to dismantle |
| CN108867384A (en) * | 2018-06-25 | 2018-11-23 | 德州市公路工程总公司 | Based on monoblock type hanging module and cast-in-situ concrete wall type anticollision barrier and construction method |
| CN208151859U (en) * | 2018-05-03 | 2018-11-27 | 宁夏路桥工程股份有限公司 | Outer-enwraped type anticollision barrier |
| CN209538025U (en) * | 2019-01-08 | 2019-10-25 | 中交路桥建设有限公司 | A kind of separate type bridge guardian column formwork for placing |
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2019
- 2019-01-08 CN CN201910017197.2A patent/CN109555017A/en active Pending
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| JPH0657717A (en) * | 1992-08-13 | 1994-03-01 | Onoda Cement Co Ltd | Concrete guard fence |
| JPH0892923A (en) * | 1994-09-22 | 1996-04-09 | Chichibu Onoda Cement Corp | Guard fence |
| JP2001226912A (en) * | 2000-02-16 | 2001-08-24 | Ishikawajima Constr Materials Co Ltd | Concrete structure of wall balustrade and medial strip or the like and its fixing structure |
| JP2008075359A (en) * | 2006-09-22 | 2008-04-03 | Kcon Kk | Precast concrete guard fence for median strip of automobile road viaduct and its construction method |
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| CN208151859U (en) * | 2018-05-03 | 2018-11-27 | 宁夏路桥工程股份有限公司 | Outer-enwraped type anticollision barrier |
| CN108867384A (en) * | 2018-06-25 | 2018-11-23 | 德州市公路工程总公司 | Based on monoblock type hanging module and cast-in-situ concrete wall type anticollision barrier and construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523089A (en) * | 2020-11-06 | 2021-03-19 | 江苏镇江路桥工程有限公司 | Template is pour to disconnect-type bridge central authorities rail guard |
| CN113585858A (en) * | 2021-07-24 | 2021-11-02 | 深圳市中弘建设工程有限公司 | Building method of municipal garden building decorative column |
| CN113737652A (en) * | 2021-07-30 | 2021-12-03 | 中铁十九局集团第五工程有限公司 | Temporary supporting structure for simply supported channel beam |
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