CN110820566A - Corrugated steel web part bearing type hanging basket suspension casting construction method - Google Patents
Corrugated steel web part bearing type hanging basket suspension casting construction method Download PDFInfo
- Publication number
- CN110820566A CN110820566A CN201910980611.XA CN201910980611A CN110820566A CN 110820566 A CN110820566 A CN 110820566A CN 201910980611 A CN201910980611 A CN 201910980611A CN 110820566 A CN110820566 A CN 110820566A
- Authority
- CN
- China
- Prior art keywords
- hanging basket
- corrugated steel
- steel web
- section
- bearing type
- 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
Links
Images
Classifications
-
- 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
Abstract
The invention discloses a bearing type hanging basket suspension casting construction method for a corrugated steel web part. The method specifically comprises the following steps: step 1: connecting the rear branch point of the hanging basket with a hanging basket fixing device fixed on the concrete of the previous section; connecting the front supporting point of the hanging basket with the corrugated steel web of the section; step 2: after completing all construction tasks of the section, mounting the corrugated steel web of the next section by using hoisting equipment of the bearing type hanging basket of the corrugated steel web part; and step 3: pushing the bearing type hanging basket of the corrugated steel web part to move to the position required by the bearing type hanging basket suspension casting construction of the next section of corrugated steel web part; and 4, step 4: and installing the templates of the top plate and the bottom plate of the next section of box girder, binding reinforcing steel bars, and synchronously pouring concrete of the top plate and the bottom plate of the box girder. The construction method for the bearing type hanging basket suspension casting of the corrugated steel web part reduces the tensile force of the hanging basket load on the prestressed concrete box girder at the initial pouring stage.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a suspension casting construction method for a bearing type hanging basket of a corrugated steel web part.
Background
In the field of bridge construction, the corrugated steel web PC combined box girder is a steel-concrete combined structure formed by combining a corrugated steel web and a top-bottom PC plate, and the combined cross section has the advantages of light structure dead weight, low manufacturing cost, high concrete prestress introduction rate of the top-bottom plate of the box girder, convenience in construction, short construction period and the like, thereby becoming a main direction of a modern combined structure girder bridge.
The hanging basket cantilever casting method is a commonly used construction method for corrugated steel web PC box girders. According to the different bearing parts of the hanging basket, the hanging basket cantilever casting method can be divided into a cantilever front end concrete bearing type and a corrugated steel web bearing type. When the tradition hung the basket and carried out cantilever operation, hung basket load almost all on acting on last section concrete, to pouring the prestressed concrete box girder at initial stage, hung basket load and must produce great pulling force to it.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a construction method for the bearing type hanging basket suspension casting of the corrugated steel web part, which has simple and reasonable steps and reduces the tension of the hanging basket load on the prestressed concrete box girder at the initial pouring stage.
In order to achieve the purpose, the invention provides a suspension casting construction method of a bearing type hanging basket of a corrugated steel web part, which specifically comprises the following steps: step 1: fixing a hanging basket fixing device of a bearing type hanging basket of a corrugated steel web part on the concrete of the previous section, and arranging a hanging basket rear supporting point foundation at one end of the hanging basket fixing device; then connecting the rear basket supporting point of the corrugated steel web part bearing type hanging basket with the rear basket supporting point foundation of the hanging basket fixing device; connecting a hanging basket front fulcrum of a bearing type hanging basket of the corrugated steel web part with the corrugated steel web of the section through a hanging basket front fulcrum foundation; step 2: after all construction tasks of the suspension casting of the bearing type hanging basket of the corrugated steel web part of the cost section are completed, a hoisting device of the bearing type hanging basket of the corrugated steel web part is used for installing the corrugated steel web of the next section; and step 3: the fixed connection between the hanging basket fixing device and the concrete of the previous section and the bolted connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the section are disassembled, the bearing type hanging basket of the corrugated steel web part is pushed to move to the position required by the bearing type hanging basket suspension casting construction of the corrugated steel web part of the next section, and then the fixed connection between the hanging basket fixing device and the concrete of the section and the bolted connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the next section are fixed; and 4, step 4: and installing the templates of the top plate and the bottom plate of the next section of box girder, binding reinforcing steel bars, and synchronously pouring concrete of the top plate and the bottom plate of the box girder.
In a preferred embodiment, in step 2, a support device is arranged between the corrugated steel web of the segment and the corrugated steel web of the next segment.
In a preferred embodiment, the supporting device in step 2 is a horizontal bridge supporting device or an inclined supporting device.
In a preferred embodiment, in step 3, the jacks are used for synchronously pushing the load-bearing cradle of the corrugated steel web part.
In a preferred embodiment, in the step 3, the front supporting point of the hanging basket is pushed to a position 0.5m away from the front end of the corrugated steel web of the next section for fixing, and the rear supporting point of the hanging basket fixing device is anchored at the position 1.2m away from the concrete edge of the section.
Compared with the prior art, the construction method for the bearing type hanging basket suspension casting of the corrugated steel web part has the following beneficial effects: according to the method for the load-bearing type hanging basket suspension casting construction of the corrugated steel web part, the strength of the concrete of the previous section and the strength of the corrugated steel web of the section are utilized to jointly support the hanging basket construction load so as to pour the upper web and the lower web of the section and install the corrugated steel web of the next section, and the tensile force of the hanging basket load on the prestressed concrete box girder at the initial pouring stage is reduced.
Drawings
FIG. 1 is a view showing a basket in use according to a first embodiment of the present invention.
FIG. 2 is a connection diagram of a cradle front supporting point foundation and a corrugated steel web of the bearing type cradle suspension casting construction method for the corrugated steel web part according to the first embodiment of the invention.
Fig. 3 is a flow chart of a construction method of a bearing type hanging basket suspension casting of a corrugated steel web part according to a first embodiment of the invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, the specific structure of the load-bearing hanging basket with corrugated steel web portions according to the preferred embodiment of the invention comprises: hang basket truss 1, hang basket fixing device 2, hang basket back fulcrum 3, hang basket front pivot 4, lifting device 5 and work platform 6. The bearing type hanging basket for the corrugated steel web part mainly supports construction load by using the strength of concrete of a previous section and the strength of the corrugated steel web of the section together so as to pour the upper and lower webs of the section and install the corrugated steel web of the next section.
Specifically, the cradle fixing device 2 is fixed on the concrete of the previous section, and one end of the cradle fixing device is provided with a cradle rear supporting point foundation which is mainly used for connecting the cradle truss 1 and the front end concrete.
Preferably, the basket fixture 2 is anchored to the concrete of the previous section.
Hang basket back fulcrum 3 and lay in the rear end (left side) of hanging basket truss 1 to be connected with hanging basket back fulcrum foundation of hanging basket fixing device 2, hang basket construction load indirect effect on preceding section concrete partially.
Preferably, the rear fulcrum 3 of the hanging basket is installed at the front end of the hanging basket fixing device in a bolt connection or welding mode.
The hanging basket front supporting points 4 are arranged in the middle of the hanging basket truss 1 and are connected with the corrugated steel web 9 of the section through the hanging basket front supporting point foundation 10, and the rest hanging basket construction load directly acts on the corrugated steel web.
Preferably, as shown in fig. 2, the front fulcrum foundation 10 of the cradle is connected with the corrugated steel web of the section by bolts 11.
The hoisting equipment 5 is arranged at the front end (right side) of the cradle truss 1 and is mainly used for hoisting a rear section of corrugated steel web 9.
The working platform 6 is arranged below the cradle truss 1.
As shown in fig. 3, the construction method of the load-bearing cradle suspension casting of the corrugated steel web part according to the preferred embodiment of the invention is suitable for the construction of the cantilever section of the continuous beam bridge cantilever casting method of the corrugated steel web, and mainly utilizes the strength of the concrete of the previous section and the strength of the corrugated steel web of the section to support the cradle construction load together so as to cast the upper and lower webs of the section and install the corrugated steel web of the next section. The construction method for the bearing type hanging basket suspension casting of the corrugated steel web part specifically comprises the following steps:
step 1: fixing a hanging basket fixing device of a bearing type hanging basket of a corrugated steel web part on the concrete of the previous section, and arranging a hanging basket rear supporting point foundation at one end of the hanging basket fixing device; then connecting the rear basket supporting point of the corrugated steel web part bearing type hanging basket with the rear basket supporting point foundation of the hanging basket fixing device; connecting a hanging basket front fulcrum of a bearing type hanging basket of the corrugated steel web part with the corrugated steel web of the section through a hanging basket front fulcrum foundation;
step 2: after finishing all construction tasks of suspension casting of the bearing type hanging basket of the corrugated steel web part of the cost section, mounting the corrugated steel web plate of the next section by using hoisting equipment of the bearing type hanging basket of the corrugated steel web part, and arranging a transverse bridge horizontal supporting device or an inclined supporting device between two corrugated steel web plates (the corrugated steel web plate of the section and the corrugated steel web plate of the next section);
and step 3: the fixed connection between the hanging basket fixing device and the concrete of the previous section and the bolt connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the section are disassembled, a jack is used for synchronously pushing the traveling corrugated steel web part bearing type hanging basket to move to the required position of the next section of corrugated steel web part bearing type hanging basket suspension casting construction, and after the adjustment and the stabilization, the fixed hanging basket fixing device is fixedly connected with the concrete of the section and the bolt connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the next section;
preferably, the front supporting point of the hanging basket is pushed to a position 0.5m away from the front end of the corrugated steel web plate of the next section and fixed. The rear supporting point of the hanging basket is anchored at the position of 1.2m of the concrete edge of the section.
And 4, step 4: and installing the templates of the box girder top plate 8 and the box girder bottom plate 9 of the next section, binding reinforcing steel bars, and synchronously pouring concrete of the box girder top plate and the box girder bottom plate to achieve the post-tensioning prestressed reinforcing steel bars with the designed strength.
Through the mode, the whole construction process is implemented circularly, and the construction target of the full-section pouring corrugated steel web continuous beam bridge cantilever section is achieved.
In conclusion, the hanging basket suspension casting construction method for the bearing type corrugated steel web part supports the hanging basket construction load by utilizing the strength of the concrete of the previous section and the strength of the corrugated steel web of the section together, so that the upper web and the lower web of the section are cast and the corrugated steel web of the next section is installed, and the tensile force of the hanging basket load on the prestressed concrete box girder at the initial casting stage is reduced.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. A suspension casting construction method for a bearing type hanging basket of a corrugated steel web part is characterized by comprising the following steps:
step 1: fixing a hanging basket fixing device of a bearing type hanging basket of a corrugated steel web part on the concrete of the previous section, and arranging a hanging basket rear supporting point foundation at one end of the hanging basket fixing device; then connecting the rear basket supporting point of the corrugated steel web part bearing type hanging basket with the rear basket supporting point foundation of the hanging basket fixing device; connecting a hanging basket front fulcrum of a bearing type hanging basket of the corrugated steel web part with the corrugated steel web of the section through a hanging basket front fulcrum foundation;
step 2: after all construction tasks of the suspension casting of the bearing type hanging basket of the corrugated steel web part of the cost section are completed, a hoisting device of the bearing type hanging basket of the corrugated steel web part is used for installing the corrugated steel web of the next section;
and step 3: the fixed connection between the hanging basket fixing device and the concrete of the previous section and the bolted connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the section are disassembled, the bearing type hanging basket of the corrugated steel web part is pushed to move to the position required by the bearing type hanging basket suspension casting construction of the corrugated steel web part of the next section, and then the fixed connection between the hanging basket fixing device and the concrete of the section and the bolted connection between the front supporting point foundation of the hanging basket and the corrugated steel web of the next section are fixed;
and 4, step 4: and installing the templates of the top plate and the bottom plate of the next section of box girder, binding reinforcing steel bars, and synchronously pouring concrete of the top plate and the bottom plate of the box girder.
2. The method for carrying out suspended casting construction on the bearing type hanging basket of the corrugated steel web part according to claim 1, wherein in the step 2, a supporting device is arranged between the corrugated steel web plate of the section and the corrugated steel web plate of the next section.
3. The method for carrying out suspended casting construction on the corrugated steel web part by using the hanging basket in the bearing mode according to claim 2, wherein the supporting device in the step 2 is a transverse bridge horizontal supporting device or an inclined supporting device.
4. The method for suspended casting of load-bearing baskets for corrugated steel web sections according to claim 3, wherein in step 3, the load-bearing baskets for corrugated steel web sections are moved by using jacks to synchronously push the load-bearing baskets.
5. The method for carrying out suspended casting construction on the corrugated steel web part according to claim 4, wherein in the step 3, the front supporting point of the hanging basket is pushed to a position 0.5m away from the front end of the corrugated steel web of the next section for fixing, and the rear supporting point of the hanging basket fixing device is anchored at a position 1.2m away from the concrete edge of the section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980611.XA CN110820566A (en) | 2019-10-16 | 2019-10-16 | Corrugated steel web part bearing type hanging basket suspension casting construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980611.XA CN110820566A (en) | 2019-10-16 | 2019-10-16 | Corrugated steel web part bearing type hanging basket suspension casting construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110820566A true CN110820566A (en) | 2020-02-21 |
Family
ID=69549493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910980611.XA Pending CN110820566A (en) | 2019-10-16 | 2019-10-16 | Corrugated steel web part bearing type hanging basket suspension casting construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110820566A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455874A (en) * | 2020-04-26 | 2020-07-28 | 中国建筑第七工程局有限公司 | Construction method for overlong side span straight line segment of high pier of corrugated steel web PC bridge |
| CN111535205A (en) * | 2020-05-07 | 2020-08-14 | 浙江省交通运输科学研究院 | Cantilever construction method for bearing partial weight of bottom plate by using corrugated steel web plate |
| CN112323640A (en) * | 2020-11-10 | 2021-02-05 | 中交二公局第三工程有限公司 | Construction method for temporary cable-stayed corrugated steel web bridge through closure of web in advance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110114A (en) * | 1998-10-02 | 2000-04-18 | Ps Corp | Construction method for overhang-erected girder bridge using corrugated steel plate web and equipment for overhang erection work |
| JP2006118314A (en) * | 2004-10-25 | 2006-05-11 | Ps Mitsubishi Construction Co Ltd | Construction method of corrugated steel plate web bridge |
| JP2009108633A (en) * | 2007-10-31 | 2009-05-21 | Ps Mitsubishi Construction Co Ltd | Corrugated steel sheet web bridge construction apparatus and construction method of corrugated steel sheet web bridge |
| CN102154992A (en) * | 2011-04-28 | 2011-08-17 | 中交第二公路工程局有限公司 | Dislocation installation method of corrugated steel web |
| CN103422436A (en) * | 2013-07-18 | 2013-12-04 | 杭州博数土木工程技术有限公司 | Construction method for utilizing corrugated steel webs to bear construction load |
| CN204940131U (en) * | 2015-09-09 | 2016-01-06 | 上海城建市政工程（集团）有限公司 | A kind of hanging basket device of Wavelike steel webplate parts |
| CN205711780U (en) * | 2016-03-16 | 2016-11-23 | 河南大建桥梁钢构股份有限公司 | Wave forms steel web SCC engineering method movable hanging basket |
-
2019
- 2019-10-16 CN CN201910980611.XA patent/CN110820566A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110114A (en) * | 1998-10-02 | 2000-04-18 | Ps Corp | Construction method for overhang-erected girder bridge using corrugated steel plate web and equipment for overhang erection work |
| JP2006118314A (en) * | 2004-10-25 | 2006-05-11 | Ps Mitsubishi Construction Co Ltd | Construction method of corrugated steel plate web bridge |
| JP2009108633A (en) * | 2007-10-31 | 2009-05-21 | Ps Mitsubishi Construction Co Ltd | Corrugated steel sheet web bridge construction apparatus and construction method of corrugated steel sheet web bridge |
| CN102154992A (en) * | 2011-04-28 | 2011-08-17 | 中交第二公路工程局有限公司 | Dislocation installation method of corrugated steel web |
| CN103422436A (en) * | 2013-07-18 | 2013-12-04 | 杭州博数土木工程技术有限公司 | Construction method for utilizing corrugated steel webs to bear construction load |
| CN204940131U (en) * | 2015-09-09 | 2016-01-06 | 上海城建市政工程（集团）有限公司 | A kind of hanging basket device of Wavelike steel webplate parts |
| CN205711780U (en) * | 2016-03-16 | 2016-11-23 | 河南大建桥梁钢构股份有限公司 | Wave forms steel web SCC engineering method movable hanging basket |
Non-Patent Citations (2)
| Title |
|---|
| 李栋国等: "《道路桥梁工程施工技术》", 31 October 2014, 武汉大学出版社 * |
| 李清富等: "《混凝土桥梁耐久性与标准化施工》", 30 November 2017, 黄河水利出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455874A (en) * | 2020-04-26 | 2020-07-28 | 中国建筑第七工程局有限公司 | Construction method for overlong side span straight line segment of high pier of corrugated steel web PC bridge |
| CN111535205A (en) * | 2020-05-07 | 2020-08-14 | 浙江省交通运输科学研究院 | Cantilever construction method for bearing partial weight of bottom plate by using corrugated steel web plate |
| CN112323640A (en) * | 2020-11-10 | 2021-02-05 | 中交二公局第三工程有限公司 | Construction method for temporary cable-stayed corrugated steel web bridge through closure of web in advance |
| CN112323640B (en) * | 2020-11-10 | 2023-11-07 | 中交二公局第三工程有限公司 | Construction method for temporary cable-stayed corrugated steel web bridge advanced closure web |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201943007U (en) | Constant amplitude frame beam crane capable of being used in combination with movable support frame | |
| CN110820566A (en) | Corrugated steel web part bearing type hanging basket suspension casting construction method | |
| CN103255726B (en) | A kind of construction method of continuous beam arch combination bridge | |
| KR101456635B1 (en) | Bridge construction method using of form traveller for through bridge and rebar structure | |
| CN105421249A (en) | Novel dragging- hoisting combined type hanging basket structure and construction method | |
| JP2008088782A (en) | Cantilever overhang erection method of corrugated steel plate web bridge | |
| CN103243654A (en) | Mounting method for steel anchor beam of cable-stayed bridge and assembly jig and cable bent tower mounting platform used in method | |
| JP4748420B2 (en) | Construction method of corrugated steel web bridge using girder for erection work | |
| CN105839549A (en) | Truss type cantilever construction hanging basket | |
| CN111764282B (en) | Rigid suspension cable stiffening steel truss bridge construction method based on inclined pull buckling hanging method | |
| CN211498526U (en) | Self-lifting type corrugated steel web cast-in-situ box girder hanging basket | |
| CN110820565A (en) | Suspended casting method for corrugated steel web hanging basket | |
| CN105088970A (en) | Construction method of corrugated steel web PC box girder cable-stayed bridge | |
| WO2022041449A1 (en) | Construction method for long platform guy-wire hanging basket and main girder section | |
| CN109537476A (en) | The double interim rope self-balancings of pin ear formula pull formula suspension bridge sling replacing underpinning device | |
| CN103726440B (en) | A kind of pipe web grider and preparation method thereof | |
| CN110820567A (en) | Bearing type hanging basket for PC box girder part with corrugated steel web plate | |
| CN102943439A (en) | Method for constructing large-span and self-anchored composite beam suspension bridge girder | |
| CN211815595U (en) | Lower tower column tension and compression structure for cable tower | |
| CN201458544U (en) | Carrying pole for mounting component | |
| CN214831983U (en) | Novel asynchronous basket construction structures of hanging | |
| CN209907223U (en) | Temporary anchoring device for bridge tower and n-shaped main beam of cable-stayed bridge | |
| CN209082344U (en) | A kind of cable-stayed type large-span steel roof beam structure | |
| CN110453614A (en) | Self-styled Wavelike steel webplate cast-in-situ box girder Hanging Basket | |
| CN201952736U (en) | Auxiliary pier movable bracket for assisting invariable-amplitude beam erecting crane in erecting steel box girder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |
|
| RJ01 | Rejection of invention patent application after publication |