CN108457171A - Steel grouting bellows and its production method for precast assembly bridge pier - Google Patents
Steel grouting bellows and its production method for precast assembly bridge pier Download PDFInfo
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- CN108457171A CN108457171A CN201810211967.2A CN201810211967A CN108457171A CN 108457171 A CN108457171 A CN 108457171A CN 201810211967 A CN201810211967 A CN 201810211967A CN 108457171 A CN108457171 A CN 108457171A
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of steel grouting bellowss and its production method for precast assembly bridge pier, pass through bellows main body, institute's bellows main body is rolled by the welded still pipe of wall thickness 2mm by pipe mill, stiffness by itself is big, is unlikely to deform, the interior and exterior wall of the bellows main body is disposed as regular corrugated shape, the bottom lock of the bellows main body, the open top of bellows main body；The bellows main body is provided with lower section Grouting Pipe on the side wall of closed bottom；Top grout outlet is provided on the side wall at the top of the close opening of the bellows main body, steel is in the milk, and bellows installation is more quick, positioning is more accurate.The steel grouting bellows of the present invention can also be directly welded in locating support and form composite module, which can be installed in the reinforcement cage skeleton of bridge pier easily and fast, will not deform in concreting process and displacement.
Description
Technical field
The present invention relates to a kind of steel grouting bellowss and its production method for precast assembly bridge pier.
Background technology
With the propulsion of Urbanization in China, urban elevated bridge Large scale construction, more developed regions need by
Influence of the Urban Bridge construction to urban environment and traffic is controlled to minimum.It is mixed that bridge prefabrication assembling construction process eliminates holder
Solidifying soil is cast-in-place, while shortening the construction period, largely reduces the occupation of land width needed for construction, greatly reduces the shadow to existing traffic
It rings, positive improvement is all brought to quality in site, safety, civilized construction, social influence, under active support of the government popularization
And under the background that constantly promotes of precast assembly fundamental research, bridge prefabrication assembly has welcome new development opportunity.
In bridge prefabrication assembly field, just opened in China using bridge pier (the column, bent cap) precast assembly of grouting connection
Begin to start to walk, for the mode mainly used for the branch sleeve that is in the milk, the existing branch sleeve that is in the milk that passes through forms jointing processing
Precision, construction quality are all relatively low.
Invention content
The purpose of the present invention is to provide a kind of steel grouting bellowss for precast assembly bridge pier, can solve existing
The branch sleeve that is in the milk that passes through form the relatively low problem of jointing machining accuracy, construction quality.
To solve the above problems, the present invention provides a kind of steel grouting bellows for precast assembly bridge pier, including：
Bellows main body, institute's bellows main body are rolled by the welded still pipe of wall thickness 2mm by pipe mill, the bellows
The interior and exterior wall of main body is disposed as regular corrugated shape, the bottom lock of the bellows main body, the top of bellows main body
Opening, the reinforcing bar stretched out on the connecting elements for bridge pier that is open are inserted into the opening, the bellows main body
Bottom is used to be placed on the framework of steel reinforcement of the cushion cap of bridge pier；
The bellows main body is provided with lower section Grouting Pipe on the side wall of closed bottom；
Top grout outlet is provided on the side wall at the top of the close opening of the bellows main body.Further, upper
It states in steel grouting bellows,
Further, it is in the milk in bellows in above-mentioned steel, the bellows main body overall length H is not less than 24ds, wherein institute
State the diameter that ds is the reinforcing bar being inserted into from the opening of the bellows main body.
Further, it is in the milk in bellows in above-mentioned steel, the internal diameter d of the bellows main body is not less than ds+30mm.
Further, it is in the milk in bellows in above-mentioned steel, the overall length H of the bellows main body is longer than from the bellows
1~2 centimetre of the length for the reinforcing bar that the opening of main body is inserted into.
Further, be in the milk in bellows in above-mentioned steel, the ripple spacing h of the bellows main body 30~35mm it
Between.
Further, it is in the milk in bellows in above-mentioned steel, the high hL of ripple rib of the bellows main body is not less than 3mm.
Further, it is in the milk in bellows in above-mentioned steel, further includes：
Bellows positioning base, the bottom of multiple bellows main bodys are connect with the bellows positioning base, the ripple
Pipe positioning base is connect with the framework of steel reinforcement of the cushion cap of the bridge pier, and the bellows main body passes through the bellows positioning base
It is placed on the framework of steel reinforcement of the cushion cap of bridge pier；
Connect connecting bracket under the combined bellows of the lower part of multiple bellows main bodys；
Connect connecting bracket on the combined bellows on the top of multiple bellows main bodys.
Another side according to the present invention provides a kind of producer of the steel grouting bellows for precast assembly bridge pier
Method, including：
It selects the welded still pipe of wall thickness 2mm to be rolled into regular corrugated shape by pipe mill, generates bellows main body,
The bottom lock of the bellows main body, the open top of the bellows main body, the opening is for the connection structure for bridge pier
The reinforcing bar stretched out on part is inserted into the opening, and the bottom of the bellows main body is used to be placed on the reinforcing bar of the cushion cap of bridge pier
On frame；
Lower opening is opened up in the side wall close to closed bottom of bellows main body, lower section Grouting Pipe and the lower opening are fixed
Connection；
Upper hole is opened up on the side wall close to the top of opening, top Grouting Pipe is fixedly connected with the upper hole, with life
At steel grouting bellows.
Further, in the above-mentioned methods, after generating steel grouting bellows, further include：
Bellows positioning base is made with steel plate；
According to the position of the reinforcing bar stretched out on connected component, the position of the steel grouting bellows is marked；
Steel grouting bellows is welded in one by one on the bellows positioning base；
3., installation connects multiple ripples to connecting bracket under the combined bellows of the lower part of the multiple bellows main bodys of installation connection
Connecting bracket on the combined bellows on the top of pipe main body, and steel grouting bellows is fixedly welded on the combination one by one
In lower connecting bracket and combined bellows in connecting bracket, to form steel grouting combined bellows module.
Further, in the above-mentioned methods, it is formed after steel grouting combined bellows module, further includes：
On the framework of steel reinforcement for the cushion cap that the bellows positioning base of steel grouting combined bellows module is positioned over bridge pier；
The reinforcing bar stretched out on the connecting elements of the bridge pier is inserted into the opening of the bellows main body；
By lower section Grouting Pipe in the bellows main body reperfusion serosity, until the top Grouting Pipe has slurry stream
Go out；
The reperfusion serosity in the framework of steel reinforcement of steel grouting combined bellows module and the cushion cap of bridge pier.
Further, in the above-mentioned methods, the bellows main body overall length H is not less than 24ds, wherein the ds is from institute
State the diameter of the reinforcing bar of the opening insertion of bellows main body.
Further, in the above-mentioned methods, the bellows inner major diameter d is not less than ds+30mm.
Further, in the above-mentioned methods, the overall length H of the bellows main body is longer than the opening from the bellows main body
1~2 centimetre of the length of the reinforcing bar of insertion.
Further, in the above-mentioned methods, the ripple spacing h of the bellows main body is between 30~35mm.
Further, in the above-mentioned methods, the high hL of ripple rib of the bellows main body is not less than 3mm.
Compared with prior art, the invention has the advantages that：
1) steel grouting bellows is rolled using the welded still pipe of wall thickness 2mm, and stiffness by itself is big, is unlikely to deform.
2) installation of steel grouting bellows is more quick, positioning is more accurate.
3) steel grouting bellows can also be directly welded in locating support and form composite module, which can be square
Just it is quickly installed in the reinforcement cage skeleton of bridge pier, will not deform in concreting process and displacement.
Description of the drawings
Fig. 1 is the structure and figure of the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention；
Fig. 2 is the combination of side view of the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention；
Fig. 3 is the combination vertical view of the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of steel grouting bellows for precast assembly bridge pier, including：
Bellows main body 11, institute's bellows main body are rolled by the welded still pipe of wall thickness 2mm by pipe mill, the ripple
The interior and exterior wall of pipe main body is disposed as regular corrugated shape, the bottom lock of the bellows main body, the top of bellows main body
Portion is open, and the reinforcing bar stretched out on the connecting elements for bridge pier that is open is inserted into the opening, the bellows main body
Bottom be used for be placed on bridge pier cushion cap framework of steel reinforcement；
Here, bellows main body selects the welded still pipe of wall thickness 2mm to be rolled into regular corrugated shape by pipe mill,
The bottom lock of the bellows main body, is up in the milk in bellows main body by upper with facilitating subsequently through lower section Grouting Pipe, wave
The reinforcing bar that the open top of line pipe main body is used to be stretched out by the connecting elements of bridge pier is inserted into the opening, the bellows main body
The bottom cushion cap that is set to bridge pier framework of steel reinforcement on；
The bellows main body 11 is provided with lower section Grouting Pipe 12 on the side wall of closed bottom；
Here, lower opening can be opened up in the side wall close to closed bottom of bellows main body 11, proper diameter is selected
Steel pipe is used as lower section Grouting Pipe to be welded in the lower opening, so that slurry can enter bellows master by lower section Grouting Pipe 12
Among body, in a preferred embodiment of the invention, the lower section Grouting Pipe 12 is made using pliable material as that can be plastics
Pipe, steel pipe, copper pipe, aluminum pipe etc., the lower section Grouting Pipe can curve arbitrary shape to avoid the cushion cap as needed
Framework of steel reinforcement, Grouting Pipe, slurries are perfused from lower to upper below setting on the side wall close to closed bottom of bellows main body
Enter in bellows main body, it is ensured that slurry filling is closely knit；
Top grout outlet 13 is provided on the side wall at the top of the close opening of the bellows main body 11.
Here, opening up upper hole on the side wall close to the top of opening, the steel pipe of proper diameter is selected to be used as top pulp
Pipe is welded in the upper hole, so that slurry can be discharged out of bellows main body by top grout outlet 13, the present invention one is excellent
In the embodiment of choosing, the lower section Grouting Pipe 13 is made using pliable material as that can be plastic tube, steel pipe, copper pipe, aluminum pipe
Etc., the top grout outlet can curve arbitrary shape to avoid the framework of steel reinforcement in the cushion cap as needed.
The present invention is rolled from the angle for increasing bellows stiffness by itself using the welded still pipe of wall thickness 2mm, is protected
Demonstrate,proved bellows main body and rigidity, be unlikely to deform, to provide it is a kind of it is more rigid, installation is more quick, positioning more
Accurately and frame can be welded into and weld the steel grouting bellows of installation note, grout outlet, ensure that bellows main body exists
Install convenient degree in the framework of steel reinforcement of bridge pier and positioning accuracy.
In the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the bellows main body uses
Steel pipe model Q235.
As shown in Figure 1, in the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the ripple
11 overall length H of pipe main body is not less than 24ds, wherein and the ds is the diameter for the reinforcing bar being inserted into from the opening of the bellows main body,
Here, to ensure bonding strength.
As shown in Figure 1, in the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the ripple
The internal diameter d of pipe main body 11 is not less than ds+30mm, to facilitate insertion and the bonding strength of reinforcing bar.The outer diameter D of the bellows main body
Equal to the high hL+2* bellowss wall thickness of internal diameter d+2* ripple ribs.
As shown in Figure 1, in the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the ripple
The overall length H of pipe main body 11 is longer than 1~2 centimetre of the length for the reinforcing bar being inserted into from the opening of the bellows main body, to ensure to connect
While intensity, the production material of bellows main body is saved.
As shown in Figure 1, in the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the ripple
The ripple spacing h of pipe main body is pulled out between 30~35mm with the reinforcing bar that the opening increased from the bellows main body is inserted into
Resistance.
As shown in Figure 1, in the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, the ripple
The high hL of ripple rib of pipe main body 11 is not less than 3mm, what the reinforcing bar being inserted into the opening increased from the bellows main body was pulled out
Resistance.
In the steel grouting bellows for precast assembly bridge pier of one embodiment of the invention, Fig. 2, Fig. 3 are in the milk for steel
Combined bellows schematic diagram, the steel grouting bellows for precast assembly bridge pier further include：
2., the bottom of multiple bellows main bodys is connect bellows positioning base with the bellows positioning base, the wave
Line pipe positioning base is connect with the framework of steel reinforcement of the cushion cap of the bridge pier, and the bellows main body positions bottom by the bellows
Seating is on the framework of steel reinforcement of the cushion cap of bridge pier；
Connect under the combined bellows of the lower part of multiple bellows main bodys connecting bracket 3.；
Connect on the combined bellows on the top of multiple bellows main bodys connecting bracket 4..
Here, as shown in Figure 2 and Figure 3, the present embodiment include multiple steel grouting bellowss 1., bellows positioning base 2.,
3. and on combined bellows 4. 1. four big components, each steel grouting bellows wrap connecting bracket connecting bracket under combined bellows
Include bellows main body 11, lower section Grouting Pipe 12 and top grout outlet 13.
In actual use, first bellows positioning base is made with steel plate 2., according to the reinforcing bar stretched out on connected component
Position, mark steel grouting bellows position 1.；Then 1. steel grouting bellows bellows is welded in one by one to determine
Position pedestal 2. on；In order to ensure the position of bellows is accurate, assembly firm stable, then the multiple bellows main bodys of connection are installed
3., installation connects connects branch to connecting bracket on the combined bellows on the top of multiple bellows main bodys under the combined bellows of lower part
Frame 4., and by steel grouting bellows be 1. fixedly welded on one by one the lower connecting bracket of combination 3. with branch is connected on combined bellows
Frame 4. on, be in the milk combined bellows module with forming the steel that registration, frame body are stable, easy for installation, which can
To be installed on easily and fast in the reinforcement cage skeleton of bridge pier component, will not deform in concreting process and position
It moves.
The present invention also provides the production methods of another steel grouting bellows for precast assembly bridge pier, including：
It selects the welded still pipe of wall thickness 2mm to be rolled into regular corrugated shape by pipe mill, generates bellows main body,
The bottom lock of the bellows main body, the open top of the bellows main body, the opening is for the connection structure for bridge pier
The reinforcing bar stretched out on part is inserted into the opening, and the bottom of the bellows main body is used to be placed on the reinforcing bar of the cushion cap of bridge pier
On frame；
Lower opening is opened up in the side wall close to closed bottom of bellows main body, lower section Grouting Pipe and the lower opening are fixed
Connection；
Upper hole is opened up on the side wall close to the top of opening, top Grouting Pipe is fixedly connected with the upper hole.
Lower opening can be opened up in the side wall close to closed bottom of bellows main body, select the steel pipe conduct of proper diameter
Lower section Grouting Pipe is welded in the lower opening, so that slurry can be entered among bellows main body by lower section Grouting Pipe, this
It invents in a preferred embodiment, the lower section Grouting Pipe is made using pliable material as that can be plastic tube, steel pipe, copper
Pipe, aluminum pipe etc., the lower section Grouting Pipe can curve arbitrary shape to avoid the framework of steel reinforcement of the cushion cap as needed；
Upper hole is opened up on the side wall close to the top of opening, the steel pipe of proper diameter is selected to be used as top grout outlet welding
In the upper hole, so that slurry can be discharged out of bellows main body by grout outlet, in a preferred embodiment of the invention,
It such as can be plastic tube, steel pipe, copper pipe, aluminum pipe that the lower section Grouting Pipe is made of pliable material, and the top goes out
Slurry pipe can curve arbitrary shape to avoid the framework of steel reinforcement in the cushion cap as needed.
The present invention is rolled from the angle for increasing bellows stiffness by itself using the welded still pipe of wall thickness 2mm, is protected
Demonstrate,proved bellows main body and rigidity, be unlikely to deform, to provide it is a kind of it is more rigid, installation is more quick, positioning more
Accurately and frame can be welded into and weld the steel grouting bellows of installation note, grout outlet, ensure that bellows main body exists
Install convenient degree in the framework of steel reinforcement of bridge pier and positioning accuracy.
The steel for precast assembly bridge pier of one embodiment of the invention is in the milk in the production method of bellows, the ripple
The model Q235 for the steel pipe that pipe main body uses.
The production method of bellows as shown in Figure 1, the steel for precast assembly bridge pier of one embodiment of the invention is in the milk
In, the bellows main body overall length H is not less than 24ds, wherein the ds is the steel being inserted into from the opening of the bellows main body
The diameter of muscle, here, to ensure bonding strength.
The production method of bellows as shown in Figure 1, the steel for precast assembly bridge pier of one embodiment of the invention is in the milk
In, the bellows inner major diameter d is not less than ds+30mm, to facilitate insertion and the bonding strength of reinforcing bar.The bellows main body
Outer diameter D be equal to the high hL+2* bellowss wall thickness of internal diameter d+2* ripple ribs.
The production method of bellows as shown in Figure 1, the steel for precast assembly bridge pier of one embodiment of the invention is in the milk
In, the bellows main body overall length H is longer than 1~2 centimetre of the length for the reinforcing bar being inserted into from the opening of the bellows main body, to protect
While demonstrate,proving bonding strength, the production material of bellows main body is saved.
The production method of bellows as shown in Figure 1, the steel for precast assembly bridge pier of one embodiment of the invention is in the milk
In, the ripple spacing h of the bellows main body is between 30~35mm, to increase from the opening insertion of the bellows main body
The resistance that reinforcing bar is pulled out.
The production method of bellows as shown in Figure 1, the steel for precast assembly bridge pier of one embodiment of the invention is in the milk
In, the high hL of ripple rib of the bellows main body is not less than 3mm, the reinforcing bar being inserted into the opening increased from the bellows main body
The resistance being pulled out.
The steel for precast assembly bridge pier of one embodiment of the invention is in the milk in the production method of bellows, Fig. 2, Fig. 3
Further include after generating steel grouting bellows for steel grouting combined bellows schematic diagram：
Bellows positioning base is made with steel plate 2., according to the position of the reinforcing bar stretched out on connected component, label tapping
The position of matter grouting bellows 1.；
According to the position marked by steel grouting bellows be 1. welded in one by one bellows positioning base 2. on；
In order to ensure the position of bellows is accurate, assembly firm stable, then install under the multiple bellows main bodys of connection
Connecting bracket 3., and on the combined bellows on the top of the multiple bellows main bodys of installation connection connects branch under the combined bellows in portion
Frame 4., and by steel grouting bellows be 1. fixedly welded on one by one the lower connecting bracket of combination 3. with branch is connected on combined bellows
Frame 4. on, be in the milk combined bellows module with forming the steel that registration, frame body are stable, easy for installation, which can
To be installed on easily and fast in member reinforcing steel bar cage skeleton, will not deform in concreting process and displacement.
The steel for precast assembly bridge pier of one embodiment of the invention is in the milk in the production method of bellows, forms positioning
Accurately, after stable, the easy for installation steel grouting combined bellows module of frame body, further include：
2. the bellows positioning base of steel grouting combined bellows module is positioned over to the framework of steel reinforcement of the cushion cap of bridge pier
On；
The reinforcing bar stretched out on the connecting elements of the bridge pier is inserted into the opening of the bellows main body；
By lower section Grouting Pipe in the bellows main body reperfusion serosity, until the top Grouting Pipe has slurry stream
Go out, to realize the connection of the reinforcing bar and the bellows main body；
The reperfusion serosity in the framework of steel reinforcement of steel grouting combined bellows module and the cushion cap of bridge pier, to realize
It states steel grouting combined bellows module to connect with the cushion cap of bridge pier, finally realizes the company of the connecting elements and the cushion cap
It connects.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the present invention is also intended to including these modification and variations.
Claims (10)
- The bellows 1. a kind of steel for precast assembly bridge pier is in the milk, which is characterized in that including：Bellows main body, institute's bellows main body are rolled by the welded still pipe of wall thickness 2mm by pipe mill, the bellows main body Interior and exterior wall be disposed as regular corrugated shape, the bottom lock of the bellows main body, the open top of bellows main body, The reinforcing bar stretched out on the connecting elements for bridge pier that is open is inserted into the opening, and the bottom of the bellows main body is used In on the framework of steel reinforcement of cushion cap for being placed on bridge pier；The bellows main body is provided with lower section Grouting Pipe on the side wall of closed bottom；Top grout outlet is provided on the side wall at the top of the close opening of the bellows main body.
- 2. as described in claim 1 for the steel of precast assembly bridge pier grouting bellows, which is characterized in that the bellows Main body overall length H is not less than 24ds, wherein the ds is the diameter for the reinforcing bar being inserted into from the opening of the bellows main body, described The internal diameter d of bellows main body is not less than ds+30mm.
- 3. as described in claim 1 for the steel of precast assembly bridge pier grouting bellows, which is characterized in that the bellows The overall length H of main body is longer than 1~2 centimetre of the length for the reinforcing bar being inserted into from the opening of the bellows main body, the bellows main body Ripple spacing h between 30~35mm.
- 4. as described in claim 1 for the steel of precast assembly bridge pier grouting bellows, which is characterized in that the bellows The high hL of ripple rib of main body is not less than 3mm.
- 5. as described in claim 1 for the steel of precast assembly bridge pier grouting bellows, which is characterized in that further include：Bellows positioning base, the bottom of multiple bellows main bodys are connect with the bellows positioning base, and the bellows is fixed Position pedestal is connect with the framework of steel reinforcement of the cushion cap of the bridge pier, and the bellows main body is placed in by the bellows positioning base On the framework of steel reinforcement of the cushion cap of bridge pier；Connect connecting bracket under the combined bellows of the lower part of multiple bellows main bodys；Connect connecting bracket on the combined bellows on the top of multiple bellows main bodys.
- The production method of bellows 6. a kind of steel for precast assembly bridge pier is in the milk, which is characterized in that including：It selects the welded still pipe of wall thickness 2mm to be rolled into regular corrugated shape by pipe mill, generates bellows main body, it is described The bottom lock of bellows main body, the open top of the bellows main body, the opening is for the connecting elements for bridge pier The reinforcing bar of stretching is inserted into the opening, and the bottom of the bellows main body is used to be placed on the framework of steel reinforcement of the cushion cap of bridge pier On；Lower opening is opened up in the side wall close to closed bottom of bellows main body, lower section Grouting Pipe and the lower opening are fixed and connected It connects；Upper hole is opened up on the side wall close to the top of opening, top Grouting Pipe is fixedly connected with the upper hole, to generate steel Matter grouting bellows.
- 7. the production method for the steel of precast assembly bridge pier grouting bellows as claimed in claim 6, which is characterized in that After generating steel grouting bellows, further include：Bellows positioning base is made with steel plate；According to the position of the reinforcing bar stretched out on connected component, the position of the steel grouting bellows is marked；Steel grouting bellows is welded in one by one on the bellows positioning base；Connecting bracket under the combined bellows of the lower part of the multiple bellows main bodys of installation connection, installation connect multiple bellows main bodys Top combined bellows on connecting bracket, and steel grouting bellows is fixedly welded under the combination and connects one by one On holder and combined bellows in connecting bracket, to form steel grouting combined bellows module.
- 8. the production method for the steel of precast assembly bridge pier grouting bellows as claimed in claim 6, which is characterized in that It is formed after steel grouting combined bellows module, further includes：On the framework of steel reinforcement for the cushion cap that the bellows positioning base of steel grouting combined bellows module is positioned over bridge pier；The reinforcing bar stretched out on the connecting elements of the bridge pier is inserted into the opening of the bellows main body；By lower section Grouting Pipe in the bellows main body reperfusion serosity, until the top Grouting Pipe has slurries outflow；The reperfusion serosity in the framework of steel reinforcement of steel grouting combined bellows module and the cushion cap of bridge pier.
- 9. the production method for the steel of precast assembly bridge pier grouting bellows as claimed in claim 6, which is characterized in that The bellows main body overall length H is not less than 24ds, wherein the ds is the reinforcing bar being inserted into from the opening of the bellows main body Diameter, the bellows inner major diameter d are not less than ds+30mm.
- 10. the production method for the steel of precast assembly bridge pier grouting bellows, feature exist as claimed in claim 6 In the overall length H of the bellows main body is longer than 1~2 centimetre of the length for the reinforcing bar being inserted into from the opening of the bellows main body, institute The ripple spacing h of bellows main body is stated between 30~35mm, the high hL of ripple rib of the bellows main body is not less than 3mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537775A (en) * | 2018-11-02 | 2019-03-29 | 孟凡林 | The method for preparing assembly concrete shear wall using local corrugated thin-wall steel pipe |
| CN112195753A (en) * | 2020-09-09 | 2021-01-08 | 天津由鑫建筑材料制造有限公司 | Grouting metal corrugated pipe for steel bar anchoring and machining method thereof |
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