CN106064423A - A kind of prefabricated culvert contains the method for joint - Google Patents
A kind of prefabricated culvert contains the method for joint Download PDFInfo
- Publication number
- CN106064423A CN106064423A CN201610391475.7A CN201610391475A CN106064423A CN 106064423 A CN106064423 A CN 106064423A CN 201610391475 A CN201610391475 A CN 201610391475A CN 106064423 A CN106064423 A CN 106064423A
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- Prior art keywords
- template
- joint
- interior
- culvert
- mould
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The present invention provides a kind of method that prefabricated culvert contains joint, comprises the following steps: (1) makes template, including interior template and exterior sheathing；(2) containing joint framework of steel reinforcement on precast pedestal along longitudinally discharging in string by multiple, each joint framework of steel reinforcement two ends of containing arrange one piece of median septum；(3) with traversing carriage, interior template is imported in culvert joint framework of steel reinforcement；(4) exterior sheathing is installed；(5) casting concrete；(6) after the concreting of culvert joint completes, concrete is carried out maintenance, after the intensity that concrete reaches predetermined, start form removal；(7) first remove two external mold side templates, then traversing carriage is imported and contain in joint, with mobile formwork, interior mould entirety is derived；(8) culvert joint is lifted into storage area respectively.
Description
Technical field
The invention belongs to precast concrete production field, be specifically related to a kind of method that prefabricated culvert contains joint.
Background technology
In culvert Shi highway, railway construction, in order to make roadbed stride across water channel smoothly, the osculum built under roadbed
Road.The agent structure of culvert is assembled by multiple prefabricated concrete culvert joints.Traditional culvert joint prefabricated construction is employing group
Close punching block segmentation, block construction, typical such as Chinese periodical " railway construction " the 7th entitled " the pin-connected panel culvert of an interim piece in 1998
The design and use of steel form " disclosed in a kind of mode, during casting concrete, in four pieces, template encloses " mouth " font, interior
Arranging four blocks of exterior sheathings outside template again, inner and outer template is overall in " returning " type, opening up, is placed in inside and outside by culvert joint framework of steel reinforcement
Between template, then pour culvert joint concrete.This kind of mode, once can only pour one and contain joint, culvert big to Culvert engineering quantity
The engineering that joint number amount is many, the duration is tight, uses this kind of mode inefficient, can affect the duration.
Summary of the invention
Present invention aims to current culvert and contain the prefabricated inefficient problem of joint, it is provided that a kind of prefabricated culvert contains joint
Method, once can pour and multiple contain joint, thus improve efficiency of construction.
The present invention is by the following technical solutions:
A kind of prefabricated culvert contains the method for joint, it is characterised in that comprise the following steps:
(1) template is made, including interior template and exterior sheathing；Described interior template include one in mould top template, mould side form in two
Mould end template in plate and, the both sides of described interior mould top template respectively with two in the top of mould side template hinged, interior mould top template
Middle part respectively with the middle part of mould side template in two by regulation screw mandrel be connected, mould side in the both sides and two of described interior mould end template
Being connected by connection wire rod below of template；Described exterior sheathing includes two pieces of external mold side templates isometric with interior mould side template, institute
State and all preset tension rod thru-hole on interior mould side template and external mold side template；
(2) joint framework of steel reinforcement is contained on precast pedestal along longitudinally head and the tail discharge relatively successively in string by multiple, Mei Gehan
Joint framework of steel reinforcement two ends arrange the median septum of one piece of " mouth " font；
(3) end template of interior template is taken off, with traversing carriage, interior template is imported in the culvert joint framework of steel reinforcement discharged,
According to containing the internal diameter saved, propagate outward into suitable angle by mould side template in the flexible adjustment of regulation screw mandrel；
(4) two pieces of external mold side templates are arranged on culvert joint framework of steel reinforcement both sides, by interior mould side template and external mold side template
The upper tension rod thru-hole preset, connects fixing with pull bar by interior mould side template and external mold side template, in then being exited by mobile formwork
Template；
(5) start to pour culvert joint concrete；First culvert joint underplate concrete is poured, after underplate concrete has poured,
Mould end template in installing on underplate concrete, and by the both sides of interior mould end template respectively with two in the bottom of mould side template by even
Connect screw mandrel and connect fixing, pour culvert joint web and concrete roof the most successively；
(6), after the concreting of culvert joint completes, concrete is carried out maintenance, after the intensity that concrete reaches predetermined, opens
Beginning form removal；
(7) first remove two external mold side templates, external mold remove after templates in dismounting in 2～3h, first unclamp interior mould end template with
The connection wire rod of mould side template in two, mould end template in removing；Then being imported by traversing carriage contains in joint, with mobile formwork by interior
Mould entirety derives；
(8), after interior template derives, treat that culvert joint is quiet and stop at least 6h, be lifted into storage area.
The present invention once can save prefabricated multiple culvert, in an Application Example of invention, once can pour 5 and contain joint,
In the case of, the duration big at engineering quantity is tight, can improve the construction quality of culvert, efficiency of construction to a great extent, shortening is executed
The work duration, remarkable in economical benefits.
The exterior sheathing of the present invention can only set two external mold side templates, directly utilizes precast pedestal end face as external mold bed die,
Concrete pours from top to bottom, can not set external mold top template, therefore can save two blocks of exterior sheathings than traditional approach；In normal conditions
Under also can not set interior mould end template, reduce further cost.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention；
Fig. 2 is the interior template main TV structure schematic diagram of the present invention；
Fig. 3 is the interior template side-looking structural representation of the present invention；
Fig. 4 is the exterior sheathing side-looking structural representation of the present invention；
Fig. 5 is the culvert joint framework of steel reinforcement side-looking structural representation arranged；
Fig. 6 is the structural representation of median septum；
Fig. 7 is schematic diagram by the way of interior template is imported in culvert joint framework of steel reinforcement by traversing carriage；
Fig. 8 is the transverse side view of traversing carriage,
Fig. 9 is longitudinal side view of traversing carriage；
Figure 10 is, by traversing carriage, interior template imports the side view cutaway drawing contained in joint framework of steel reinforcement；
Figure 11 is interior template and exterior sheathing by pull bar structural representation after fixing；
Figure 12 is the structural representation having poured and being mounted with interior mould end template after base plate contains joint underplate concrete；
Figure 13 is to contain joint web to pour the schematic top plan view of state.
Detailed description of the invention
Below by way of a specific embodiment, and combine accompanying drawing, the method for the present invention is illustrated.
In this application embodiment, engineering bid section is provided with 357 culverts, and 9834 joints contain joint, and precast construction amount is big, the duration
Tightly.If using traditional culvert joint prefabrication system, the most prefabricated one of a set of template contains joint, it is difficult to be timely completed.Therefore use
The method of the present invention, a set of template once can pour 5 and contain joint.
Fig. 1 is the method flow diagram of the present invention, specifically includes following steps:
(1) template is made in advance, including interior template and exterior sheathing.In the structure of described interior template is as in figure 2 it is shown, include one
Mould end template 3 in mould side template 2 and in mould top template 1, two, the both sides of described interior mould top template 1 respectively with two in mould side form
The top of plate 2 is hinged, and the middle part of interior mould top template 1 is connected by regulation screw mandrel 4 with the middle part of mould side template 2 in two respectively, institute
In stating the both sides and two of interior mould end template 3, the following of mould side template 2 is connected by connection wire rod 5.
As it is shown on figure 3, described exterior sheathing includes two pieces of external mold side templates 6 isometric with interior mould side template.
As shown in Figure 3, Figure 4, interior mould side template 2 and external mold side template 6 all preset tension rod thru-hole 7.
During template construct, interior template and exterior sheathing can use 8mm steel plate, laterally, be longitudinally respectively adopted 100mm channel-section steel,
140mm channel-section steel is as ribs, it is ensured that structural stability.
The length of the length of described interior template and exterior sheathing is depending on the most prefabricated culvert joint number amount, in the present embodiment,
Plan the most prefabricated 5 and contain joint, therefore interior template and at least 5 prefabricated length sums containing joint of joint of exterior sheathing.
(2) as it is shown in figure 5, contain joint framework of steel reinforcement 8 on precast pedestal 9 along longitudinally in string the most successively by multiple
Discharge, each joint framework of steel reinforcement 8 two ends of containing arrange the median septum 10 of one piece of " mouth " font；Bracing wire correction framework of steel reinforcement 8 and in every
The relative position of plate 10, it is ensured that follow-up interior mould imports smooth and easy.
Contain the quantity of joint framework of steel reinforcement according to the prefabricated culvert joint number amount of a set of template depending on, general no less than 3.This enforcement
In example, a set of template can save in prefabricated 5 culverts, it is therefore desirable to joint framework of steel reinforcement is contained in primary emission 5.
As shown in Figure 6, the width on 10 4 limits of median septum is identical with the thickness on four limits containing joint for the structure of median septum 10.
(3) as it is shown in fig. 7, the interior mould end template of interior template is taken off, with traversing carriage 11, the importing of interior template is discharged
Culvert joint framework of steel reinforcement 8 in, according to contain joint internal diameter, by regulation screw mandrel 4 flexible adjustment in mould side template 2 propagate outward into
Suitable angle.
The structure of traversing carriage 11 as shown in Figure 8, Figure 9, including two longerons 12 and the rectangle frame of two crossbeams 13 composition
Frame, respectively arranges a supporting leg 14 at four angles of rectangular frame, and the bottom of every supporting leg 14 arranges a roller 15；Traversing carriage
Length is more than the length of interior template.
Such as Figure 10, and combining shown in Fig. 7, interior template is imported the method contained in joint framework of steel reinforcement and is by traversing carriage 11:
Laying two guide rails 16 along longitudinal in containing joint framework of steel reinforcement 8, guide rail 16 can use channel-section steel to make, and is containing on joint baseplate reinforcing bar skeleton
Stirrup reinforcing bar is set, guide rail is played a supporting role.With loop wheel machine, interior template is lifted to suitable height, traversing carriage 11 is passed
Interior template, the supporting leg at traversing carriage 11 two ends lays respectively at the two ends of interior template；By two longerons 12 of traversing carriage 11 with interior
Mould top template 1 connects fixing by bolt 17；The roller 15 of two supporting legs in traversing carriage one end is placed on two guide rails 16, pushes away
Dynamic traversing carriage carries interior template and moves within containing joint framework of steel reinforcement 8, until interior template being imported completely in culvert joint framework of steel reinforcement.
(4) as shown in Figure 11,12,13, two pieces of external mold side templates 6 are arranged on culvert joint framework of steel reinforcement 8 both sides, by interior mould
The tension rod thru-hole 7 preset on side template 2 and external mold side template 6, connects interior mould side template 2 and external mold side template 6 with pull bar 18
Fixing；Then the bolt between the top template of the two of traversing carriage longerons and interior template is unclamped, mobile formwork is exited interior mould
Plate, then removes guide rail.
(5) start to pour culvert joint concrete；As shown in figure 12, first pouring culvert joint underplate concrete, underplate concrete waters
After having built, on underplate concrete install in mould end template 3, and by the both sides of interior mould end template 3 respectively with two in mould side form
The bottom of plate 2 connects fixing by connection wire rod 5；Pour culvert joint web and concrete roof the most successively.
Shown in Figure 13 be to pour web concrete time state diagram.When pouring web concrete, use placement layer by layer, often
Layer pours 300～500mm；Concrete uses and pours clockwise or counterclockwise, uses vibrating spear vibration compacting when pouring.
(6), after the concreting of culvert joint completes, concrete is carried out maintenance, after the intensity that concrete reaches predetermined, opens
Beginning form removal.
Above-mentioned concrete is carried out maintenance method be: after containing joint concreting completing, enter between the quiet stopping time, quiet stop
Period keeps ambient temperature to be not less than 10 DEG C, quiet stops 1～2h after concrete initial set, arranges that pipeline carries out steam-cured, steam-cured intensification
Speed is not more than during 10 DEG C/h, constant temperature and keeps concrete internal temperature 40～60 DEG C, and maximum must not exceed 65 DEG C, thermostatic curing
Time 6～8 hours, then lowering the temperature, cooling rate is not more than 10 DEG C/h, after lowering the temperature 4 hours, then starts form removal.
Time steam-cured, using four steam-cured pipelines, numerical control temperature control system control, four steam-cured pipelines are arranged in culvert joint
Middle part, left part, right part, each one of top.
(7) first remove two external mold side templates, external mold remove after templates in dismounting in 2～3h, first unclamp interior mould end template with
The connection wire rod of mould side template in two, mould end template in removing；Then being imported by traversing carriage contains in joint, with mobile formwork by interior
Mould entirety derives；
In deriving with traversing carriage, the method for template is: containing on joint base plate along longitudinally laying two guide rails, traversing carriage
The roller of two shorter supporting legs along guide rail through interior template, traversing carriage two longeron is connected with interior mould top template,
Make interior mould top template and the interior mould side template demoulding by shrinking regulation screw mandrel again, then traversing carriage carry interior template along guide rail to
Outer movement, derives interior template entirety.
(8), after interior template derives, at least 6h is stopped by quiet for culvert joint.It is separated into 5 independent sections by containing joint by median septum,
It is lifted into storage area one by one.
Claims (10)
1. the method that a prefabricated culvert contains joint, it is characterised in that comprise the following steps:
(1) template is made, including interior template and exterior sheathing；Described interior template include one in mould top template, in two mould side template and
Mould end template in one, the both sides of described interior mould top template respectively with two in the top of mould side template hinged, in interior mould top template
Portion is connected by regulation screw mandrel with the middle part of mould side template in two respectively, mould side template in the both sides and two of described interior mould end template
Connected by connection wire rod below；Described exterior sheathing includes two pieces of external mold side templates isometric with interior mould side template, described interior
Tension rod thru-hole is all preset on mould side template and external mold side template；
(2) being saved frameworks of steel reinforcement multiple culvert on precast pedestal along longitudinally head and the tail discharge relatively successively in string, each culvert saves steel
Muscles and bones frame two ends arrange the median septum of one piece of " mouth " font；
(3) end template of interior template is taken off, with traversing carriage, interior template is imported in the culvert joint framework of steel reinforcement discharged, according to
Contain the internal diameter of joint, propagate outward into suitable angle by mould side template in the flexible adjustment of regulation screw mandrel；
(4) two pieces of external mold side templates are arranged on culvert joint framework of steel reinforcement both sides, by pre-on interior mould side template and external mold side template
If tension rod thru-hole, interior mould side template and external mold side template are connected fixing with pull bar, then mobile formwork are exited interior template；
(5) start to pour culvert joint concrete；First culvert joint underplate concrete is poured, after underplate concrete has poured, at base plate
Mould end template in installing on concrete, and by the both sides of interior mould end template respectively with two in the bottom of mould side template pass through connecting filament
Bar connects fixing, pours culvert joint web and concrete roof the most successively；
(6), after the concreting of culvert joint completes, concrete is carried out maintenance, after the intensity that concrete reaches predetermined, starts to tear open
Mould；
(7) first removing two external mold side templates, after external mold dismounting, templates in 2～3h interior dismountings, first unclamp in interior mould end template and two
The connection wire rod of mould side template, mould end template in removing；Then being imported by traversing carriage contains in joint, with mobile formwork by whole for interior mould
Body is derived；
(8), after interior template derives, treat that culvert joint is quiet and stop at least 6h, be lifted into storage area.
Prefabricated culvert the most according to claim 1 contains the method for joint, it is characterised in that: described interior template and the length of exterior sheathing
The degree at least 5 prefabricated length sum containing joint of joint.
Prefabricated culvert the most according to claim 1 contains the method for joint, it is characterised in that: the median septum four of described " mouth " font
The width on individual limit is identical with the thickness on four limits containing joint.
Prefabricated culvert the most according to claim 1 contains the method for joint, it is characterised in that: described traversing carriage, including two
Root longeron and the rectangular frame of two crossbeam compositions, respectively arrange a supporting leg, the end of every supporting leg at four angles of rectangular frame
Portion arranges a roller；The length of traversing carriage is more than the length of interior template.
Prefabricated culvert the most according to claim 4 contains the method for joint, it is characterised in that: step (3) traversing carriage is by interior mould
Plate imports the method contained in joint framework of steel reinforcement: along longitudinally laying two guide rails within containing joint framework of steel reinforcement；With loop wheel machine by interior mould
Plate is lifted to suitable height, and by traversing carriage through interior template, the supporting leg at traversing carriage two ends lays respectively at the two ends of interior template；
The two of traversing carriage longerons are bolted fixing with the top template of interior template；By two supporting legs in traversing carriage one end
Roller is placed on two guide rails, promotes traversing carriage to carry interior template and moves within containing joint framework of steel reinforcement, until by complete for interior template
Full importing is contained in joint framework of steel reinforcement.
Prefabricated culvert the most according to claim 5 contains the method for joint, it is characterised in that: in step (4), first by traversing carriage
The connection of two longerons and the top template of interior template take apart, traversing carriage is exited interior template, then guide rail is removed.
Prefabricated culvert the most according to claim 1 contains the method for joint, it is characterised in that: step (5) pours web concrete
Time, use placement layer by layer, every layer pours 300～500mm；Concrete uses and pours clockwise or counterclockwise, uses and shake when pouring
Tamper vibration compacting.
Prefabricated culvert the most according to claim 1 contains the method for joint, it is characterised in that: concrete is entered by described step (6)
The method of row maintenance is: after culvert joint concreting completes, enter between the quiet stopping time, and quiet period holding ambient temperature of stopping is not less than
10 DEG C, quiet stopping 1～2h after concrete initial set, arrange that pipeline carries out steam-cured, steam-cured programming rate is not more than 10 DEG C/h, constant temperature phase
Between keep concrete internal temperature 40～60 DEG C, maximum must not exceed 65 DEG C, thermostatic curing time 6～8 hours, then lowers the temperature,
Cooling rate is not more than 10 DEG C/h, after lowering the temperature 4 hours, starts form removal.
Prefabricated culvert the most according to claim 8 contains the method for joint, it is characterised in that: use four steam-cured pipelines, by counting
Temperature control Ore-controlling Role controls, four steam-cured pipelines are arranged in the middle part of culvert joint, left part, right part, each one of top.
Prefabricated culvert the most according to claim 4 contains the method for joint, it is characterised in that: step is led with traversing carriage in (7)
The method going out interior template is: containing on joint base plate along longitudinally laying two guide rails, the roller of two supporting legs in one end of traversing carriage
Along guide rail through interior template, traversing carriage two longeron is connected with interior mould top template, then makes by shrinking regulation screw mandrel
Interior mould top template and the interior mould side template demoulding, then traversing carriage carries interior template and is displaced outwardly along guide rail, and interior template is overall
Derive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391475.7A CN106064423B (en) | 2016-06-05 | 2016-06-05 | A kind of prefabricated culvert contains the method for section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391475.7A CN106064423B (en) | 2016-06-05 | 2016-06-05 | A kind of prefabricated culvert contains the method for section |
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| Publication Number | Publication Date |
|---|---|
| CN106064423A true CN106064423A (en) | 2016-11-02 |
| CN106064423B CN106064423B (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610391475.7A Active CN106064423B (en) | 2016-06-05 | 2016-06-05 | A kind of prefabricated culvert contains the method for section |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208487A (en) * | 2018-10-24 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | Railway ultra-high performance concrete box girder formwork and construction method |
| CN109555017A (en) * | 2019-01-08 | 2019-04-02 | 中交路桥建设有限公司 | A kind of separate type bridge guardian column formwork for placing and construction method |
| CN113524399A (en) * | 2020-04-13 | 2021-10-22 | 武汉城市职业学院 | Movable prefabricated hollow slab beam base |
| CN114855658A (en) * | 2022-06-08 | 2022-08-05 | 中交一公局第一工程有限公司 | Movable improved assembly type box culvert template and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208487A (en) * | 2018-10-24 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | Railway ultra-high performance concrete box girder formwork and construction method |
| CN109555017A (en) * | 2019-01-08 | 2019-04-02 | 中交路桥建设有限公司 | A kind of separate type bridge guardian column formwork for placing and construction method |
| CN113524399A (en) * | 2020-04-13 | 2021-10-22 | 武汉城市职业学院 | Movable prefabricated hollow slab beam base |
| CN114855658A (en) * | 2022-06-08 | 2022-08-05 | 中交一公局第一工程有限公司 | Movable improved assembly type box culvert template and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN106064423B (en) | 2018-04-13 |
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