CN105672113B - A kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method - Google Patents
A kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method Download PDFInfo
- Publication number
- CN105672113B CN105672113B CN201610045277.5A CN201610045277A CN105672113B CN 105672113 B CN105672113 B CN 105672113B CN 201610045277 A CN201610045277 A CN 201610045277A CN 105672113 B CN105672113 B CN 105672113B
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- steel
- wavelike
- webplate
- lower flange
- steel plate
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Abstract
The invention discloses a kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method, including Wavelike steel webplate, lower flange steel plate, perforate disk pin steel plate, bending pin reinforcing bar, direct selling bolt reinforcing bar and concrete floor；Lower flange steel plate is welded on Wavelike steel webplate bottom along Wavelike steel webplate length direction level；The perforate disk pin steel plate corresponding with each setback section of Wavelike steel webplate bottom is provided with the steel plate of lower flange, and perforate disk pin steel plate is vertically welded on the side of Wavelike steel webplate bottom, the perforate direction of each perforate disk pin steel plate is towards Wavelike steel webplate length direction；The hole of bending pin reinforcing bar and direct selling bolt reinforcing bar horizontal through corresponding perforate disk pin steel plate；The whole lower flange of Wavelike steel webplate is partially embedded in concrete floor to be poured, after the completion of concrete floor is poured, and is integrally formed common stress with box beam base plate.
Description
Technical field
The present invention relates to during a kind of corrugated steel web plate composite box girder bridge construction, Wavelike steel webplate lower flange and box beam concrete
Base plate combines cage structure, and in particular to a kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method.
Background technology
Corrugated steel web concrete combined box grinder is the one kind at home and abroad receiving significant attention in science of bridge building in recent years
Novel steel-concrete composite structure, its are mainly characterized by for the web of conventional concrete box beam replacing with waveform steel abdomen, due to
Wavelike steel webplate have from heavy and light, can prefabrication, shearing strength high, the features such as, therefore greatly reduce traditional prestressing force and mix
The deadweight of solidifying soil box beam, improves efficiency of construction, and avoids the diagonal cracking problem of conventional concrete box girder web, strengthens
The durability of structure, is therefore increasingly widely used in the construction of Longspan Bridge.
Combination cage structure its Main Function between Wavelike steel webplate and concrete roof and floor be to ensure that Wavelike steel webplate with
Concrete roof and floor is integrally formed, while shearing bridge vertical equity can be effectively transmitted to concrete roof and floor, therefore
It is the most critical position of box girder with corrugated steel webs.At present, domestic and international box girder with corrugated steel webs compared with frequently with PBL shear connectors as ripple
Shape steel web steel reinforced concrete combines cage structure, and its primary structure form is to weld flange plate on Wavelike steel webplate, exists along bridge longitudinal direction
On flange plate, welding together or twice open pore steel plate is embedded in box beam roof and floor, and box beam roof and floor part regular reinforcement is passed through
Be through at open pore steel plate, after having poured roof and floor concrete so that steel web be connected with concrete roof and floor integral.However,
This kind of method is located at box beam plate top surface, after having found template, box beam concrete base top due to Wavelike steel webplate lower flange steel plate
Face steel reinforced concrete junction is difficult to vibrate due to the stop of lower flange steel plate, and concrete has mobility from recast when pouring base plate
Easily cause occur the combination such as hole between Wavelike steel webplate lower flange steel plate and box beam plate top surface concrete junction not with
Densification phenomenon, thereby increases the potential safety hazard of the difficulty and structure of construction, reduces the durability of this portion structure.So
Under this background, develop a kind of simple structure, reasonable stress, the Wavelike steel webplate lower flange steel reinforced concrete of easy construction and combine cage structure
And construction method has great practical value.
Content of the invention
The purpose of the present invention is caused Wavelike steel webplate lower flange and box beam for overcoming in above-mentioned existing conventional art
The shortcomings of concrete floor joint portion constructional difficulties, construction quality are difficult to ensure that, there is provided a kind of there is simple structure, stress to close
Reason, the Wavelike steel webplate lower flange steel reinforced concrete of easy construction combine cage structure and construction method.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure, including Wavelike steel webplate, lower flange steel plate, perforate disk pin
Steel plate, bending pin reinforcing bar, direct selling bolt reinforcing bar and concrete floor；Described lower flange steel plate is along Wavelike steel webplate length direction
Level is welded on Wavelike steel webplate bottom；Perforate disk pin steel is respectively equipped with Wavelike steel webplate bottom inside setback section and straightway
Plate, and described perforate disk pin steel plate is welded to connect with Wavelike steel webplate and lower flange steel plate, each perforate disk pin steel plate are opened
Hole direction is towards Wavelike steel webplate length direction；Described bending pin reinforcing bar and direct selling bolt reinforcing bar are opened horizontal through corresponding
The hole of porose disc pin steel plate；The whole lower flange of described Wavelike steel webplate is partially embedded in concrete floor to be poured, and is mixed
After the completion of solidifying soil bottom slab concreting, common stress is integrally formed with box beam base plate.
Further, described lower flange steel plain and Wavelike steel webplate vertical welding, and ensure Wavelike steel webplate position
In lower flange steel plain center.
Further, described perforate disk pin steel plate is divided into setback section perforate disk pin steel plate and straight according to welding position difference
Line segment perforate disk pin steel plate, and each disk pin steel plate vertically opens up two holes with diameter greater than reinforcing bar.
Further, described bending pin steel bar segmentation sells bolt reinforcing bar directly to households elongated through setback section perforate disk pin steel plate
Straightway perforate disk pin steel plate is passed through, and the bar splicing welding of direct selling bolt is exposed in advance with sections is poured.
Further, the side of described Wavelike steel webplate is provided with the connecting hole with the connection of adjacent Wavelike steel webplate.
Further, it is bolted between connected Wavelike steel webplate.
Using described Wavelike steel webplate lower flange steel reinforced concrete joint portion construction method, including following step：
Step 1：Require that setting-out goes out connecting welding position on Wavelike steel webplate and lower flange steel plate according to detail design
Put；
Step 2：Lower flange steel plate, perforate disk pin steel plate are welded to connect in ripple using solid core welding wire CO2 gas shielded arc weldings
On shape steel web, and inspect for acceptance；
Step 3：Baseplate reinforcing bar position and Wavelike steel webplate axial location is marked on bottom die of box-beam plate；
Step 4：Lifting Wavelike steel webplate is to predetermined axial line position, and Wavelike steel webplate to be installed is applied with previous sections
Work completes first connecting bolt of Wavelike steel webplate front end highest and wears tightly；
Step 5：Measured waveform steel web space coordinates, and after coordinating bottle gouard moved by hands to finely tune to design attitude, fastening is all
Connecting bolt；
Step 6：By pin bent bolt reinforcing bar after processing horizontal through the perforate disk pin steel plate in corresponding setback section, will sell directly to households
Perforate disk pin steel plate of the bolt reinforcing bar level on corresponding Wavelike steel webplate straightway, sells bolt reinforcing bar one end directly to households and pours section
The reserved steel bar overlap joint welding of section base plate, the other end expose beam body to be poured about 10cm；
Step 7：Underplate concrete, and maintenance of vibrating is poured,
Step 8：Surface antirust treatment is carried out to exposing steel plate, this section box girder base plate and the construction of steel reinforced concrete connecting portion is completed.
Compared with prior art, the present invention has notable beneficial effect：
1st, Wavelike steel webplate lower flange of the present invention steel reinforced concrete combines cage structure, and its lower flange steel plate is located at box beam concrete
Base plate bottom surface, and tradition PBL shear key structures lower flange steel plate is located at box beam concrete plate top surface, therefore compares conventional construction
Steel reinforced concrete joint portion is more easy to pour construction of vibrating, and improves efficiency of construction, it is ensured that Wavelike steel webplate is combined closely with concrete, carries
High joint portion durability.
2nd, Wavelike steel webplate lower flange of the present invention steel reinforced concrete combines cage structure, welds perforate disk pin steel on Wavelike steel webplate
Plate, bending pin reinforcing bar sell bolt reinforcing bar directly to households elongated through corresponding straightway through corresponding setback section perforate disk pin steel plate
Perforate disk pin steel plate, underplate concrete increased the globality of steel web and base plate after pouring；Direct selling bolt due to elongated arrangement
Reinforcing bar exposes the bar splicing welding of direct selling bolt in advance with sections is poured, further increases sections to be onstructed whole with sections of constructing
Body.
3rd, Wavelike steel webplate lower flange of the present invention steel reinforced concrete combines cage structure, simple structure, and reasonable stress, through testing
Card, can significantly improve Wavelike steel webplate and lower flange steel reinforced concrete joint portion quality of connection, further ensure structure safety.
4th, Wavelike steel webplate lower flange steel reinforced concrete joint portion of the present invention construction method, method flow are simple, construction
Convenient, need workman less, greatly save engineering time and construction cost, improve the economic benefit of construction.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 tradition PBL Wavelike steel webplates lower flanges steel reinforced concrete joint portion structure section schematic diagram；
Fig. 2 tradition PBL Wavelike steel webplates lower flange steel reinforced concrete combines cage structure close-up schematic view；
Fig. 3 Wavelike steel webplate lower flange steel reinforced concrete joint portion structure section schematic diagrames of the present invention；
Fig. 4 Wavelike steel webplate lower flange steel reinforced concretes of the present invention combine cage structure close-up schematic view；
Fig. 5 Wavelike steel webplate lower flange steel reinforced concretes of the present invention combine cage structure assembling schematic diagram；
In figure：101 Wavelike steel webplates, 102 lower flange steel plates, 103 open pore steel plates, 104 pin reinforcing bars, 105 steel reinforced concretes are combined
Place, 106 box beam concrete base plates to be poured；
201 pin holes；
301 perforate disk pin steel plates, 302 sell bolt reinforcing bar directly to households；
401 bending pin reinforcing bars, 402 connecting bolts, 403 direct selling bolt bar splicing welding, 404 have poured sections.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
In conjunction with shown in Fig. 1, Fig. 2, traditional PBL shear connectors steel reinforced concrete combines cage structure mainly by Wavelike steel webplate 101, lower flange
Steel plate 102, open pore steel plate 103, pin reinforcing bar 104 are constituted.As Wavelike steel webplate lower flange steel plate 102 is located at box beam to be onstructed
106 top surface of concrete floor, after therefore having found template, box beam concrete plate top surface steel reinforced concrete junction 105 is difficult to vibrate, and pours
When building base plate, there is concrete mobility under Gravitative Loads, easily to cause Wavelike steel webplate lower flange steel plate to be mixed with box beam base plate
There is hole etc. with reference to leakiness phenomenon between solidifying soil, thereby increase the potential safety hazard of the difficulty and structure of construction, reduce
The durability of this portion structure.
A kind of Wavelike steel webplate lower flange of the invention steel reinforced concrete combines cage structure mainly by Wavelike steel webplate 101, bottom wing balsh
Plate 102, perforate disk pin steel plate 301, bending pin reinforcing bar 401, direct selling bolt reinforcing bar 302,106 groups of box beam concrete base plate to be poured
Into.
In conjunction with shown in Fig. 3, Fig. 4, Fig. 5, lower flange steel plate 102 is welded on waveform steel along 101 length direction of Wavelike steel webplate
101 bottom of web；Perforate disk pin steel plate 301 is vertically welded in each setback section of 101 bottom of Wavelike steel webplate, and ensures perforate
Direction is embedded in box beam concrete base plate 106 to be poured towards 101 length direction of Wavelike steel webplate；Bending pin reinforcing bar 401
With direct selling bolt reinforcing bar 302 horizontal through corresponding 301 hole of perforate disk pin steel plate.101 lower flange of Wavelike steel webplate is embedded in treats
Pour in box beam concrete base plate 106, and through base plate bottom surface, after the completion of underplate concrete is poured, one is constituted with box beam base plate
The common stress of body.
The steel reinforced concrete of Wavelike steel webplate lower flange described in said structure combines cage structure, and its lower flange steel plate 102 is located at box beam
Concrete floor bottom surface, and tradition PBL shear key structures lower flange steel plate is located at box beam concrete plate top surface, therefore compares biography
System construction steel reinforced concrete joint portion is more easy to pour construction of vibrating, and improves efficiency of construction, it is ensured that Wavelike steel webplate is tight with concrete
In conjunction with improve joint portion durability.In addition, its simple structure, reasonable stress, experiment proves that, waveform can be significantly improved
Steel web and lower flange steel reinforced concrete joint portion quality of connection, further ensure structure safety.
Further, 102 plane of lower flange steel plate and 101 vertical welding of Wavelike steel webplate, and ensure Wavelike steel webplate 101
It is located at 101 planar central position of lower flange steel plate.
Further, perforate disk pin steel plate 301 is divided into setback section perforate disk pin steel plate, straightway according to welding position difference
Perforate disk pin steel plate, each disk pin steel plate vertically open up two holes with diameter greater than reinforcing bar.
Further, 401 segmentation of bending pin reinforcing bar sells bolt reinforcing bar 302 directly to households elongated through setback section perforate disk pin steel plate
Straightway perforate disk pin steel plate is passed through, and direct selling bolt bar splicing welding 403 is exposed in advance with sections is poured.
Further, the side of Wavelike steel webplate is provided with the pin hole 201 with the connection of adjacent Wavelike steel webplate.
To Wavelike steel webplate lower flange steel reinforced concrete joint portion construction method, it is described in detail, including following step
Suddenly：
Step 1：Required according to detail design, on Wavelike steel webplate 101 and lower flange steel plate 102, setting-out goes out connection
Welding position；
Step 2：Using solid core welding wire CO2Gas shielded arc welding is by lower flange steel plate 102,301 company of welding of perforate disk pin steel plate
It is connected on Wavelike steel webplate, and inspects for acceptance；
Step 3：101 axial location of baseplate reinforcing bar position and Wavelike steel webplate is marked on bottom die of box-beam plate
Step 4：Lifting Wavelike steel webplate 101 to predetermined axial line position, and by Wavelike steel webplate to be installed 101 and previous section
Pour the construction of sections 404 to complete first connecting bolt 402 of Wavelike steel webplate front end highest and wear tightly；
Step 5：Measured waveform steel web space coordinates, and after coordinating bottle gouard moved by hands to finely tune to design attitude, fastening is all
Connecting bolt 402；
Step 6：By pin bent bolt reinforcing bar 401 after processing horizontal through the perforate disk pin steel plate 301 in corresponding setback section,
Perforate disk pin steel plate 301 of 302 level of bolt reinforcing bar on corresponding Wavelike steel webplate straightway will be sold directly to households, bolt reinforcing bar is sold directly to households
302 one end weld 403 with sections base plate reserved steel bar overlap joint is poured, and the other end exposes beam body to be poured about 10cm；
Step 7：Underplate concrete, and maintenance of vibrating is poured,
Step 8：Surface antirust treatment is carried out to exposing steel plate, this section box girder base plate and the construction of steel reinforced concrete connecting portion is completed.
Wavelike steel webplate lower flange steel reinforced concrete joint portion of the present invention construction method, method flow are simple, construction party
Just, need workman less, greatly save engineering time and construction cost, improve the economic benefit of construction.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to present invention protection model
The restriction that encloses, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
The various modifications that makes by needing to pay creative work or deformation are still within protection scope of the present invention.
Claims (7)
1. a kind of method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete, the structure bag that the method is adopted
Include Wavelike steel webplate, lower flange steel plate, perforate disk pin steel plate, bending pin reinforcing bar, direct selling bolt reinforcing bar and concrete floor；Described
Lower flange steel plate be welded on Wavelike steel webplate bottom along Wavelike steel webplate length direction level；Wavelike steel webplate bottom inside ripple
Perforate disk pin steel plate, and described perforate disk pin steel plate and Wavelike steel webplate and bottom wing balsh are respectively equipped with trisection and straightway
Plate weld connects, and the perforate direction of each perforate disk pin steel plate is towards Wavelike steel webplate length direction；Described bending pin steel
The hole of muscle and direct selling bolt reinforcing bar horizontal through corresponding perforate disk pin steel plate；The whole lower flange of described Wavelike steel webplate
Be partially embedded in concrete floor to be poured, after the completion of concrete floor is poured, common stress is integrally formed with box beam base plate,
Characterized in that, comprising the following steps：
Step 1：Require that setting-out goes out connecting welding position on Wavelike steel webplate and lower flange steel plate according to detail design；
Step 2：Lower flange steel plate, perforate disk pin steel plate are welded to connect on Wavelike steel webplate, and are inspected for acceptance；
Step 3：Baseplate reinforcing bar position and Wavelike steel webplate axial location is marked on bottom die of box-beam plate；
Step 4：Lifting Wavelike steel webplate is to predetermined axial line position, and Wavelike steel webplate to be installed has been constructed with previous sections
Wear tightly into first connecting bolt of Wavelike steel webplate front end highest；
Step 5：Measured waveform steel web space coordinates, and after coordinating bottle gouard moved by hands to finely tune to design attitude, fastening all connects
Bolt；
Step 6：By pin bent bolt reinforcing bar after processing horizontal through the perforate disk pin steel plate in corresponding setback section, bolt steel will be sold directly to households
Perforate disk pin steel plate of the muscle level on corresponding Wavelike steel webplate straightway, sells bolt reinforcing bar one end directly to households and pours sections bottom
The overlap joint welding of plate reserved steel bar, the other end expose to beam body to be poured；
Step 7：Underplate concrete, and maintenance of vibrating is poured,
Step 8：Surface antirust treatment is carried out to exposing steel plate, this section box girder base plate and the construction of steel reinforced concrete connecting portion is completed.
2. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be：Described lower flange steel plain and Wavelike steel webplate vertical welding, and ensure that Wavelike steel webplate is located at bottom wing balsh
Plate planar central position.
3. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be：Described perforate disk pin steel plate is divided into setback section perforate disk pin steel plate and straightway perforate disk according to welding position difference
Pin steel plate, and each disk pin steel plate vertically opens up two holes with diameter greater than reinforcing bar.
4. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be：Described bending pin steel bar segmentation sells bolt reinforcing bar directly to households elongated through straightway through setback section perforate disk pin steel plate
Perforate disk pin steel plate, and the bar splicing welding of direct selling bolt is exposed in advance with sections is poured.
5. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be：The side of described Wavelike steel webplate is provided with the connecting hole with the connection of adjacent Wavelike steel webplate.
6. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be：It is bolted between connected Wavelike steel webplate.
7. the method constructed with reference to cage structure by utilization Wavelike steel webplate lower flange steel reinforced concrete as claimed in claim 1, its are special
Levy and be, in step 2, adopt solid core welding wire CO2Gas shielded arc welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045277.5A CN105672113B (en) | 2016-01-22 | 2016-01-22 | A kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045277.5A CN105672113B (en) | 2016-01-22 | 2016-01-22 | A kind of Wavelike steel webplate lower flange steel reinforced concrete combines cage structure and construction method |
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| CN105672113A CN105672113A (en) | 2016-06-15 |
| CN105672113B true CN105672113B (en) | 2017-03-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106400668B (en) * | 2016-12-02 | 2018-01-30 | 中铁十四局集团第二工程有限公司 | A kind of combined Wavelike steel webplate bottom plate Shear connection key and construction method |
| CN108729335B (en) * | 2018-06-01 | 2023-08-22 | 苏交科集团股份有限公司 | Steel-concrete combined section and installation method thereof |
| CN109811646B (en) * | 2019-03-27 | 2024-02-27 | 华侨大学 | Integral web beam and concrete bridge deck joint structure |
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| JP2000017613A (en) * | 1998-06-29 | 2000-01-18 | Ps Corp | Connection of corrugated steel plate web girder |
| JP2002332609A (en) * | 2001-05-09 | 2002-11-22 | Dps Bridge Works Co Ltd | Connecting-section structure of corrugated steel plate and concrete floor slab in corrugated steel-plate web pc bridge |
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| CN105672113A (en) | 2016-06-15 |
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