CN108018782A - The construction method of overhead box beam concrete column - Google Patents
The construction method of overhead box beam concrete column Download PDFInfo
- Publication number
- CN108018782A CN108018782A CN201711387525.5A CN201711387525A CN108018782A CN 108018782 A CN108018782 A CN 108018782A CN 201711387525 A CN201711387525 A CN 201711387525A CN 108018782 A CN108018782 A CN 108018782A
- Authority
- CN
- China
- Prior art keywords
- reinforcement cage
- column
- steel reinforcement
- column steel
- box beam
- 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.)
- Pending
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Classifications
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- 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
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The present invention provides a kind of construction method of overhead box beam concrete column, it, which has broken traditional column reinforcing bar, need to divide the form of construction work of two parts installation (embedded bar part and cushion cap are with upper pillar stand reinforcing bar part in cushion cap) at the scene, it is combined into one, it is integrally formed, mould concentrated processing whole reinforcement cage is utilized i.e. in processing workshop, scene is transported to again, and integral hoisting is in place.The construction method need not set up scaffold, eliminate the manpower and materials set up and removed needed for scaffold, reduce the security risk of construction personnel, and due to the integral type hanging method of column steel reinforcement cage so that construction quality can get a promotion, and also shorten the duration.
Description
Technical field
The present invention relates to elevated bridge Construction Technology field, more particularly to a kind of overhead box beam concrete column is applied
Work method.
Background technology
With the fast development of highway construction technology, how to make quick, effective, the applying of guaranteeing both quality and quantity of highway
Work becomes a new direction of elevated bridge engineering construction.And the part that highway is related to overhead box girder construction is one
A construction Difficulties, the construction technology of the concrete column of major embodiment thereunder are complex.
Concrete column generally use under conventional overhead box beam sets up console construction technology and carries out scene
Reinforcing bar, template construction, in traditional console form of construction work, generally first set up scaffold as constructing operation face, so
Scattered reinforcing bar scene is bound afterwards and (is divided into the reinforcing bar of embedded bar binding and cushion cap surface above section in cushion cap to tie up
Prick) and model sheetinstallat work, finally carry out pouring for concrete.Not only security risk is big for this method, but also by environmental constraints,
Simultaneously because manual site's operative relationship, the more difficult control of quality of reinforcing bar binding, influence construction quality.In progress monitoring due to
The setting up of scaffold, remove this cycle operation and greatly reduce the convenience of column construction, and need to consume a large amount of manpowers,
Material resources and inevitable measure time carry out, and cost is very high, but construction efficiency is low.
The content of the invention
The present invention provides a kind of construction method of overhead box beam concrete column, with shorten the construction period, reduce in realization risk,
On the basis of reducing manually, additionally it is possible to effectively improve the construction efficiency of bridge box beam concrete column.
In order to achieve the above object, the present invention provides a kind of construction method of overhead box beam concrete column, it is used for
Cushion cap upper concrete column, to play a supporting role to overhead box beam, the construction method includes：
Step 1：In workshop, overall processing makes column steel reinforcement cage；
Step 2：The column steel reinforcement cage is integrally transported to construction site；
Step 3：By the column steel reinforcement cage integral hoisting on the cushion cap；
Step 4：Pour into a mould cushion cap concrete；
Step 5：In the surrounding hoisting upright column template of the column steel reinforcement cage；
Step 6：Pour into a mould column concrete；
Step 7：The model of the column is removed, and concrete is conserved.
Further, the step 3 specifically includes：
Step 31：The column steel reinforcement cage is sling, and is inserted into the reinforced mesh of the cushion cap；
Step 32：After the column steel reinforcement cage is in place, the part and the reinforced mesh that are inserted into cushion cap are tied up
Prick；
Step 33：Stirrup is used in 50 cm ranges more than the cushion cap surface and to drag hook muscle to the column reinforcing bar
Cage is bound；
Step 34：Floor-type support is set in the side of the column steel reinforcement cage, and one end of the floor-type support is stood with described
The main reinforcement connection of column steel reinforcement cage is fixed, and the other end is fixed on the bottom bed course of the cushion cap.
Step 35：Each main reinforcement spot welding of the top layer reinforcing bar on the cushion cap surface respectively with the column steel reinforcement cage is fixed.
Further, before the step 33 is carried out, first to the stirrup close to the column steel reinforcement cage one side into
Row dabbing, cleaning treatment.
Further, in the step 34, respectively set at least described in three in every side of the column steel reinforcement cage
Floor-type support.
Further, the model of the column includes lower section template and the upper section template with operating platform, and the operation is flat
Platform is located at the top of model of the column.
Further, the operating platform includes ring-shaped platform, bearing diagonal and safety net, and the ring-shaped platform passes through described
Bearing diagonal is fixed on the top of the upper section template, and the excircle annular of the safety net along the ring-shaped platform is arranged at described
On ring-shaped platform.
Optionally, the step 5 specifically includes：
Step 51：Lower section template described in side integral assembling in the column steel reinforcement cage, in the lower section Template Location
Afterwards, it is fixedly connected with the column steel reinforcement cage；
Step 52：Template is saved on described in side integral assembling in the column steel reinforcement cage, is connect in the upper and lower section template
After being fixed at seam using positioning pin, the upper section template is fixedly connected with the column steel reinforcement cage.
Optionally, the upper section template is divided into symmetrical two-section, the step by the cutting planes of vertical direction
Five specifically include：
Step 51 '：Lower section template described in side integral assembling in the column steel reinforcement cage, in the lower section Template Location
Afterwards, it is fixedly connected with the column steel reinforcement cage；
Step 52 '：Wherein one section upper section template is in place from the lifting of the side of the column steel reinforcement cage, described upper and lower
Save after being fixed at form joint using positioning pin, this section of upper section template is fixedly connected with the column steel reinforcement cage；
Step 53 '：The opposite side lifting of another section of upper section template from the column steel reinforcement cage is in place, described upper and lower
Save after being fixed at form joint using positioning pin, this section of upper section template is fixedly connected with the column steel reinforcement cage；
Step 54 '：Template will be saved on two-section to be fixedly connected by horizontal location pin and the contraposition of screw thread reinforcing pull rod, is made on whole
Section template becomes an entirety.
Further, after saving model sheetinstallat on described, by the operating platform in the column steel reinforcement cage
Top sets cable wind rope, and one end of the cable wind rope is connected with the top of the column steel reinforcement cage, and the other end is fixed on ground.
Further, an at least cable wind rope is respectively set in every side of the column steel reinforcement cage.
Compared with prior art, the invention has the advantages that：
The construction method of overhead box beam concrete column provided by the invention, which has broken traditional column reinforcing bar, to be needed at the scene
Divide the form of construction work of two parts installation (embedded bar part and cushion cap are with upper pillar stand reinforcing bar part in cushion cap), being closed two is
One, it is integrally formed, i.e., mould concentrated processing whole reinforcement cage is utilized in processing workshop, then scene is transported to, and integrally hang
Dress is in place.The construction method need not set up scaffold, eliminate the manpower and materials set up and removed needed for scaffold, reduce and apply
The security risk of worker person, and due to the integral type hanging method of column steel reinforcement cage so that construction quality can get a promotion,
Also the duration is shortened.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is that the construction method central post template construction of overhead box beam concrete column provided in an embodiment of the present invention finishes
Structure diagram afterwards；
Fig. 2 is that the construction method central post template construction of overhead box beam concrete column provided in an embodiment of the present invention finishes
Sectional drawing afterwards；
Fig. 3 be overhead box beam concrete column provided in an embodiment of the present invention construction method in operating platform vertical view
Figure；
Fig. 4 cuts open for the side of operating platform in the construction method of overhead box beam concrete column provided in an embodiment of the present invention
Figure；
Fig. 5 above saves bowing for template for one section in the construction method of overhead box beam concrete column provided in an embodiment of the present invention
View.
In Fig. 1 to 5,
1：Column steel reinforcement cage；2：Cushion cap；3：Floor-type support；4：Model of the column；41：Upper section template；5：Operating platform；51：
Ring-shaped platform；52：Bearing diagonal；53：Safety net.
Embodiment
The construction method of overhead box beam concrete column proposed by the present invention is made below in conjunction with the drawings and specific embodiments
It is further described.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted
It is that attached drawing uses using very simplified form and non-accurate ratio, only to convenience, lucidly aids in illustrating this hair
The purpose of bright embodiment.
The core concept of the present invention is, there is provided a kind of construction method of overhead box beam concrete column, it has broken biography
The column reinforcing bar of system need to divide two parts installation at the scene (embedded bar part and cushion cap are with upper pillar stand reinforcing bar part in cushion cap)
Form of construction work, is combined into one, and is integrally formed, i.e., mould concentrated processing whole reinforcement cage is utilized in processing workshop, then will
It is transported to scene, and integral hoisting is in place.The construction method need not set up scaffold, eliminate and set up and remove needed for scaffold
Manpower and materials, reduce the security risk of construction personnel, and due to the integral type hanging method of column steel reinforcement cage so that apply
Working medium amount can get a promotion, and also shorten the duration.
Please refer to Fig.1 neutral to the construction method that 5, Fig. 1 is overhead box beam concrete column provided in an embodiment of the present invention
Structure diagram after column template construction；Fig. 2 is the construction of overhead box beam concrete column provided in an embodiment of the present invention
Sectional drawing after method central post template construction；Fig. 3 is overhead box beam concrete column provided in an embodiment of the present invention
The top view of operating platform in construction method；Fig. 4 is the construction party of overhead box beam concrete column provided in an embodiment of the present invention
The sectional side view of operating platform in method；Fig. 5 is in the construction method of overhead box beam concrete column provided in an embodiment of the present invention one
Cut the top view of upper section template.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of construction method of overhead box beam concrete column, it is used
In in cushion cap upper concrete column, to play a supporting role to overhead box beam, the construction method includes：
Step 1：In workshop, overall processing makes column steel reinforcement cage 1；
Step 2：The entirety of column steel reinforcement cage 1 is transported to construction site；
Step 3：By 1 integral hoisting of column steel reinforcement cage on the cushion cap 2；
Step 4：The concrete that cushion cap 2 is carried out by pump truck pours into a mould work；
Step 5：In the surrounding hoisting upright column template 4 of the column steel reinforcement cage 1；
Step 6：Concrete column is poured into a mould in the model of the column 4 by pump truck；
Step 7：Remove the model of the column 4, and concrete conserved, the concrete in model of the column 4 with it is described
Column steel reinforcement cage 1 collectively constitutes the concrete column.
The construction method of overhead box beam concrete column provided in an embodiment of the present invention, which has broken traditional column reinforcing bar, to be needed
Divide the form of construction work of two parts installation (embedded bar part and cushion cap are with upper pillar stand reinforcing bar part in cushion cap) at the scene, closed
Two be one, is integrally formed, i.e., mould concentrated processing whole reinforcement cage is utilized in processing workshop, then is transported to scene, and whole
Body lifting is in place.The construction method need not set up scaffold, eliminate the manpower and materials set up and removed needed for scaffold, reduce
The security risk of construction personnel, and due to the integral type hanging method of column steel reinforcement cage so that construction quality can obtain
Lifting, also shortens the duration.
Specifically, overall processing making column steel reinforcement cage 1 has the following advantages in workshop：The concentration module of column reinforcing bar
Change and process, make and install, broken traditional distributing processing, making and Installation Modes, made by high space-variant level land, by field
Industry becomes plant working；With finished product, semi-finished product neck hair system, each work surface is dispensed into, reduces adverse weather influence, makes former material abundant
Utilize, reduce loss；Using integral solder of mould shaping of shaping in workshop, when installation, only need to integrally hang column steel reinforcement cage
Soldered steel reinforcement cage integral module is filled, shortens construction period, reduces in-site installation and open-assembly time, reduces what is got rusty
Degree, improves speed of application and overall dimensions precision, so that the thickness of cover to reinforcement can be guaranteed, improves and apply
Working medium amount.
Further, the step 3 specifically includes：
Step 31：The column steel reinforcement cage 1 is sling, and is inserted into the reinforced mesh of the cushion cap 2；
Step 32：After the column steel reinforcement cage 1 is in place, the part and the reinforced mesh that are inserted into cushion cap 2 carry out
Binding；
Step 33：Stirrup is used in 50 cm ranges more than 2 surface of cushion cap and to drag hook muscle to the column steel
Muscle cage 1 is bound；
Step 34：The column steel reinforcement cage 1 side set floor-type support 3, one end of the floor-type support 3 with it is described
Main reinforcement connection in column steel reinforcement cage 1 is fixed, and the other end is fixed on the bottom bed course of the cushion cap 2, the floor-type support 3
To control stability of the cushion cap 2 during its concreting, while strengthen the control of 1 verticality of column steel reinforcement cage, this falls
Ground support 3 can be removed when installing model of the column 4.
Step 35：By each main reinforcement point solid welding with the column steel reinforcement cage 1 respectively of the top layer reinforcing bar on 2 surface of cushion cap
It is fixed.
In the present embodiment, the concrete structure of the cushion cap 2 is the prior art, therefore is just repeated no more herein.
Further, before the step 33 is carried out, first to the stirrup close to the column steel reinforcement cage 1 one side into
Row dabbing, cleaning treatment, effect is bound to increase it.
Further, since overall 1 weight of column steel reinforcement cage is larger, in construction, its weight can all act on cushion cap
On 2 reinforced mesh, easily it is allowed to deform, therefore in the step 34, is respectively set in every side of the column steel reinforcement cage 1
At least three floor-type supports 3 are put, in the present embodiment, the floor-type support 3 is that anchor pole adds cable wind rope, makes column reinforcing bar
The main reinforcement of cage 1 can be supported directly on the bottom bed course of cushion cap 2 by the floor-type support 3, and keeps verticality.
Further, the model of the column 4 includes lower section template and the upper section template 41 with operating platform 5, the behaviour
Make the top that platform 5 is located at model of the column 4.As shown in Figure 3 and Figure 4, the operating platform 5 includes ring-shaped platform 51, bearing diagonal
52 and safety net 53, the ring-shaped platform 51 is fixed on the top of the upper section template 41, the peace by the bearing diagonal 52
The excircle annular of the whole network 53 along the ring-shaped platform 51 is arranged on the ring-shaped platform 51.
In the present embodiment, it just can complete the installation of operating platform 5 at the same time by hoisting upright column template 4, save
Set up the time required to scaffold and on the basis of manpower, which can also play some of scaffold in the prior art
Purposes, such as the gate spool of pump truck can be fixed on column top by staff by the operating platform 5 when pouring into a mould column concrete,
And cable wind rope etc. is manually set in column top after completing to pour into a mould.
As shown in Figures 1 to 4, in one embodiment of the invention, the step 5 specifically includes：
Step 51：Lower section template described in side integral assembling in the column steel reinforcement cage 1, in the lower section Template Location
Afterwards, it is fixedly connected with the column steel reinforcement cage 1；
Step 52：Template 41 is saved on described in side integral assembling in the column steel reinforcement cage 1, in the upper and lower section mould
After plate seam crossing is fixed using positioning pin, the upper section template 41 is fixedly connected with the column steel reinforcement cage 1.
As shown in Figure 4 and Figure 5, in another embodiment of the present invention, for can not integral assembling vase-shaped column,
The upper section template 41 is divided into symmetrical two-section by the cutting planes of vertical direction, and the step 5 specifically includes：
Step 51 '：Lower section template described in side integral assembling in the column steel reinforcement cage 1, determines in the lower section template
Behind position, it is fixedly connected with the column steel reinforcement cage 1；
Step 52 '：Wherein one section upper section template 41 is in place from the lifting of the side of the column steel reinforcement cage 1, on described,
After being fixed at lower section form joint using positioning pin, this section of upper section template 41 is fixedly connected with the column steel reinforcement cage 1；
Step 53 '：The opposite side lifting of another section of upper section template 41 from the column steel reinforcement cage 1 is in place, on described,
After being fixed at lower section form joint using positioning pin, this section of upper section template 41 is fixedly connected with the column steel reinforcement cage 1；
Step 54 '：Template 41 will be saved on two-section to be fixedly connected by horizontal location pin and the contraposition of screw thread reinforcing pull rod, is made whole
Upper section template 41 becomes an entirety.
Further, in upper two embodiments, after section template 41 installs on described, the operating platform is passed through
5 respectively set an at least guy in every side of the top of the column steel reinforcement cage 1 towards the column steel reinforcement cage 1
Rope, one end of the cable wind rope are connected with the top of the column steel reinforcement cage 1, and the other end is fixed on ground, to adjust column
Verticality, and prevent column from being tilted under strong wind or typhoon weather.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modification and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of construction method of overhead box beam concrete column, in cushion cap upper concrete column, with to overhead box
Beam is played a supporting role, it is characterised in that including：
Step 1：In workshop, overall processing makes column steel reinforcement cage；
Step 2：The column steel reinforcement cage is integrally transported to construction site；
Step 3：By the column steel reinforcement cage integral hoisting on the cushion cap；
Step 4：Pour into a mould cushion cap concrete；
Step 5：In the surrounding hoisting upright column template of the column steel reinforcement cage；
Step 6：Pour into a mould column concrete；
Step 7：The model of the column is removed, and concrete is conserved.
2. the construction method of overhead box beam concrete column according to claim 1, it is characterised in that the step 3 tool
Body includes：
Step 31：The column steel reinforcement cage is sling, and is inserted into the reinforced mesh of the cushion cap；
Step 32：After the column steel reinforcement cage is in place, the part and the reinforced mesh that are inserted into cushion cap are bound；
Step 33：More than the cushion cap surface in 50 cm ranges using stirrup and to drag hook muscle to the column steel reinforcement cage into
Row binding；
Step 34：Floor-type support, one end of the floor-type support and the column steel are set in the side of the column steel reinforcement cage
The main reinforcement connection of muscle cage is fixed, and the other end is fixed on the bottom bed course of the cushion cap.
Step 35：Each main reinforcement spot welding of the top layer reinforcing bar on the cushion cap surface respectively with the column steel reinforcement cage is fixed.
3. the construction method of overhead box beam concrete column according to claim 2, it is characterised in that carrying out the step
Before rapid 33, dabbing, cleaning treatment first are carried out to one side of the stirrup close to the column steel reinforcement cage.
4. the construction method of overhead box beam concrete column according to claim 2, it is characterised in that in the step 34
In, at least three floor-type supports are respectively set in every side of the column steel reinforcement cage.
5. the construction method of overhead box beam concrete column according to any one of claim 1 to 4, it is characterised in that
The model of the column includes lower section template and the upper section template with operating platform, the operating platform are located at the top of model of the column
End.
6. the construction method of overhead box beam concrete column according to claim 5, it is characterised in that the operating platform
Including ring-shaped platform, bearing diagonal and safety net, the ring-shaped platform is fixed on the top of the upper section template by the bearing diagonal
End, the safety net are arranged on the ring-shaped platform along the excircle annular of the ring-shaped platform.
7. the construction method of overhead box beam concrete column according to claim 5, it is characterised in that the step 5 tool
Body includes：
Step 51：Lower section template described in side integral assembling in the column steel reinforcement cage, will after the lower section Template Location
It is fixedly connected with the column steel reinforcement cage；
Step 52：Template is saved on described in side integral assembling in the column steel reinforcement cage, at the upper and lower section form joint
After being fixed using positioning pin, the upper section template is fixedly connected with the column steel reinforcement cage.
8. the construction method of overhead box beam concrete column according to claim 5, it is characterised in that the upper section template
It is divided into symmetrical two-section by the cutting planes of vertical direction, the step 5 specifically includes：
Step 51 '：Lower section template described in side integral assembling in the column steel reinforcement cage, after the lower section Template Location,
It is fixedly connected with the column steel reinforcement cage；
Step 52 '：Wherein one section upper section template is in place from the lifting of the side of the column steel reinforcement cage, in the upper and lower section mould
After plate seam crossing is fixed using positioning pin, this section of upper section template is fixedly connected with the column steel reinforcement cage；
Step 53 '：The opposite side lifting of another section of upper section template from the column steel reinforcement cage is in place, in the upper and lower section mould
After plate seam crossing is fixed using positioning pin, this section of upper section template is fixedly connected with the column steel reinforcement cage；
Step 54 '：Template will be saved on two-section to be fixedly connected by horizontal location pin and the contraposition of screw thread reinforcing pull rod, makes entirely upper section mould
Plate becomes an entirety.
9. the construction method of the overhead box beam concrete column according to claim 7 or 8, it is characterised in that on described
After saving model sheetinstallat, cable wind rope, the cable wind rope are set on the top of the column steel reinforcement cage by the operating platform
One end be connected with the top of the column steel reinforcement cage, the other end is fixed on ground.
10. the construction method of overhead box beam concrete column according to claim 9, it is characterised in that in the column
Every side of steel reinforcement cage respectively sets an at least cable wind rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387525.5A CN108018782A (en) | 2017-12-20 | 2017-12-20 | The construction method of overhead box beam concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387525.5A CN108018782A (en) | 2017-12-20 | 2017-12-20 | The construction method of overhead box beam concrete column |
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| Publication Number | Publication Date |
|---|---|
| CN108018782A true CN108018782A (en) | 2018-05-11 |
Family
ID=62074385
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711387525.5A Pending CN108018782A (en) | 2017-12-20 | 2017-12-20 | The construction method of overhead box beam concrete column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554070A (en) * | 2020-12-15 | 2021-03-26 | 浙江交工集团股份有限公司 | Bridge upright post bracket-free construction method |
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