CN102733298B - Box girder cast steel pedestal structure - Google Patents
Box girder cast steel pedestal structure Download PDFInfo
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- CN102733298B CN102733298B CN201210237183.XA CN201210237183A CN102733298B CN 102733298 B CN102733298 B CN 102733298B CN 201210237183 A CN201210237183 A CN 201210237183A CN 102733298 B CN102733298 B CN 102733298B
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Abstract
The invention discloses a box girder cast steel pedestal structure. The box girder cast steel pedestal structure is characterized by comprising two end pedestals symmetrically positioned at two ends and three middle pedestals positioned in the middle; the two end pedestals and the three middle pedestals can be jointed together along the length direction to form the steel pedestal structure; and the end pedestals and the middle pedestals are formed by a steel bottom plate positioned at the lowest end, a three-layer channel steel structure positioned on the steel bottom plate and a steel plate positioned at the top end. The box girder cast steel pedestal structure has the advantages of simple and compact structure and convenient construction, and can be directly laid and mounted during use instead of in-site casting, thereby saving the production time; and the box girder cast steel pedestal structure can be repeatedly moved and used, and therefore the production cost is saved.
Description
Technical field
The present invention relates to bridge engineering, especially relate to a kind of bridge box and beam and build steel pedestal structure.
Background technology
Along with the progress of technology, in contemporary Bridge Construction, carry out bridge deck when construction, select more and more to adopt the form construction of precast beam, first crossbeam is built on-site prefabricatedly, then lay being transported to construction point.Precast beam is according to length, is generally divided into several specifications such as 20 meters, 25 meters, 30 meters, 35 meters and 40 meters, and wherein, precast beam width is also with length incremental variations between 0.5 meter to 1 meter.Wherein, case beam is a kind of form of structure of bridge precast beam, and its inside is hollow shape, and there is the edge of a wing both sides, top, because similar chest is gained the name.
In prior art, build precast beam for example when case beam, be generally first first build a coupling according to the size of required precast beam concrete pedestal as brace foundation, and then lay steel plate on concrete pedestal, build taking steel plate as bed die.This mode, pedestal cannot move, and in the time that job location changes, often just need near job location, again build concrete pedestal, causes waste, and pedestal need to be cast-in-place simultaneously, often delays the production time.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is: how to provide a kind of case beam of movable type to build steel pedestal structure, can be mounted directly and can use, without cast-in-place, therefore saved the production time, can repeat mobile use, saved cost of production simultaneously.
In order to solve the problems of the technologies described above, in the present invention, adopt following technical scheme:
A kind of case beam is built steel pedestal structure, it is characterized in that, comprise that two end pedestals that are symmetrically located at two ends and three are positioned at middle the pedestal at middle part, the pedestals formation steel pedestal structure that can be engaged togather along its length in the middle of described two end pedestals and three;
Wherein said end pedestal comprises that spacing parallel arranging is along its length arranged at some steel sole plate A of the bottom, steel sole plate A exceeds the both sides of pedestal width along the both sides of pedestal width, steel sole plate A top is disposed with first floor steel work A, second layer steel work A and compound steel structure A; In described first floor steel work A, be provided with three couples of 20# channel-section steel A along pedestal length direction, every couple of 20# channel-section steel A is formed by two 20# channel-section steel A of edge-on and involutory setting, and three couples of 20# channel-section steel A are arranged in two ends and the medium position of pedestal width; In described second layer steel work A, the position of corresponding each steel sole plate A is all horizontally arranged with one group of 10# channel-section steel A, wherein obtained by two 10# channel-section steel A of edge-on and the opposing setting of opening direction near every group of 10# channel-section steel A of the end position of steel pedestal entirety, be positioned on this group 10# channel-section steel A of the position, one end that end pedestal and middle pedestal join simultaneously and be horizontally arranged with some threaded connection hole A; In described compound steel structure A, be set side by side with some 5# channel-section steel A along end pedestal length direction, the 5# channel-section steel A open side that is positioned at both sides in compound steel structure A outwards arranges, and compound steel structure A top is equipped with one deck steel plate A; Wherein in the second layer steel work A above a steel sole plate A of end position who closes on steel pedestal entirety and compound steel structure A, all leave the suspension centre space for lifting;
In the middle of described, pedestal comprises that spacing parallel arranging is along its length arranged at some groups of steel sole plate B of the bottom, every group of steel sole plate B comprises two steel sole plate B that are positioned at pedestal both sides along pedestal width, and steel sole plate B top is disposed with first floor steel work B, second layer steel work B and compound steel structure B; In described first floor steel work B, be set side by side with two couples of 20# channel-section steel B along pedestal length direction, every couple of 20# channel-section steel B is formed by two 20# channel-section steel B of edge-on and involutory setting, two couples of 20# channel-section steel B are arranged in the end positions of pedestal width, between two couples of 20# channel-section steel B of every group of steel sole plate B top position, be also welded with leg-of-mutton bar construction, two jiaos of bar construction below are weldingly fixed on respectively on two steel sole plate B; In described second layer steel work B, the position of corresponding each steel sole plate B is all horizontally arranged with one group of 10# channel-section steel B, in the middle of being wherein positioned at, on this group 10# channel-section steel B at the end position place of pedestal, is horizontally arranged with some threaded connection hole B; In described compound steel structure B, be set side by side with some 5# channel-section steel B along end pedestal length direction, the 5# channel-section steel B open side that is positioned at both sides in compound steel structure B outwards arranges, and compound steel structure B top is equipped with one deck steel plate B.
Pedestal structure of the present invention is obtained by two end pedestal and three middle pedestal linkings that are positioned at middle part that are symmetrically located at two ends, when use, directly carries out assembly and connection by bolt.The main material of its medial end portions pedestal and middle pedestal obtains by the channel-section steel of steel plate and three kinds of models, simple in structure, it is convenient to implement, although steel pedestal cost is higher than concrete pedestal, owing to reusing by integrated moving, therefore will be lower than concrete pedestal for the holistic cost of long-term use, simultaneously due to without cast-in-place, install and lay and can use, thus very convenient quick, do not affect production.The small size channel-section steel open side that is wherein positioned at both sides in compound steel structure outwards arranges, and can directly use as grouting pipe mounting groove, facilitates grouting pipe to install.Simultaneously, in the present invention, many places structure is all considered the design feature of case beam and actually built situation and design, position arranges difference because of the difference that is subject to force intensity everywhere, the channel-section steel model wherein adopting in compound steel structure increases from top to bottom successively, can meet support strength and become gradually from top to bottom large requirement, selection and the combination of three kinds of channel-section steels make steel pedestal whole height between 35mm-40mm simultaneously, meet very much the custom of building of case beam; In first floor steel work, the both sides place that is positioned at width is provided with a pair of channel-section steel, can ensure that both sides possess enough support strengths, to meet the larger weight-bearing characteristics of case beam both sides weight, the first floor steel work of end pedestal has three pairs of channel-section steels to meet the high requirement of steel pedestal two ends intensity simultaneously, the first floor steel work of middle pedestal only has two pairs of channel-section steels can save material, adopts reinforcing bar to be weldingly connected and can in saving material, strengthen the lateral stability of structure; The every group of 10# channel-section steel A that is positioned at the end position of steel pedestal entirety in the second layer steel work of end pedestal obtained by two 10# channel-section steel A of edge-on and the opposing setting of opening direction, the requirement of stretch-draw is also provided with suspension centre space to meet the requirement of lifting by crane after box girder tensioning simultaneously when ensureing that steel pedestal end positions place possesses enough support strengths and builds to meet case beam.
In sum, it is simple in structure, compact that the present invention possesses, and implements advantage easily, when use, can be mounted directly and can use, and without cast-in-place, therefore saved the production time, can repeat mobile use simultaneously, saved cost of production.
Brief description of the drawings
Fig. 1 is the structural representation of the end pedestal of the present invention while specifically implementing.
Fig. 2 is the right view after the amplification of Fig. 1.
Fig. 3 is the partial structurtes enlarged drawing at A place in Fig. 1.
Fig. 4 be in the middle of while specifically implementing three of the present invention pedestal metas in the structural representation of the middle pedestal of medium position.
Fig. 5 be in the middle of while specifically implementing three of the present invention pedestal metas in the structural representation of the middle pedestal of end positions.
Fig. 6 is the lateral view after structure shown in structure shown in Fig. 4 and Fig. 5 is amplified simultaneously.
Detailed description of the invention
Below in conjunction with detailed description of the invention and accompanying drawing, the present invention is described in further detail.
When concrete enforcement, a kind of case beam is built steel pedestal structure, comprise that two end pedestals that are symmetrically located at two ends and three are positioned at middle the pedestal at middle part, the pedestals formation steel pedestal structure that can be engaged togather along its length in the middle of described two end pedestals and three;
When the structure of wherein said end pedestal is specifically implemented, structure can be as shown in Figure 1 to Figure 3, comprise that spacing parallel arranging is along its length arranged at some steel sole plate A1 of the bottom, steel sole plate A1 exceeds the both sides of pedestal width along the both sides of pedestal width, steel sole plate A1 top is disposed with first floor steel work A, second layer steel work A and compound steel structure A; In described first floor steel work A, be provided with three couples of 20# channel-section steel A2 along pedestal length direction, every couple of 20# channel-section steel A2 is formed by two 20# channel-section steel A of edge-on and involutory setting, and three couples of 20# channel-section steel A2 are arranged in two ends and the medium position of pedestal width; In described second layer steel work A, the position of corresponding each steel sole plate A1 is all horizontally arranged with one group of 10# channel-section steel A3, wherein obtained by two 10# channel-section steel A of edge-on and the opposing setting of opening direction near every group of 10# channel-section steel A of the end position of steel pedestal entirety, be positioned on this group 10# channel-section steel A of the position, one end that end pedestal and middle pedestal join simultaneously and be horizontally arranged with some threaded connection hole A4; In described compound steel structure A, be set side by side with some 5# channel-section steel A5 along end pedestal length direction, the 5# channel-section steel A open side that is positioned at both sides in compound steel structure A outwards arranges, and compound steel structure A top is equipped with one deck steel plate A6; Wherein in the second layer steel work A above a steel sole plate A of end position who closes on steel pedestal entirety and compound steel structure A, all leave the suspension centre space 7 for lifting;
When in the middle of described, pedestal is specifically implemented, can be specifically as Figure 4-Figure 6, comprise that a relatively short middle pedestal that is positioned at medium position and two are positioned at the relatively long middle pedestal at two ends, but in the middle of three, the structure of pedestal all meets following structure qualification, be specially: comprise that spacing parallel arranging is along its length arranged at some groups of steel sole plate B11 of the bottom, every group of steel sole plate B11 comprises two steel sole plate B that are positioned at pedestal both sides along pedestal width, steel sole plate B11 top is disposed with first floor steel work B, second layer steel work B and compound steel structure B, in described first floor steel work B, be set side by side with two couples of 20# channel-section steel B12 along pedestal length direction, every couple of 20# channel-section steel B12 is formed by two 20# channel-section steel B of edge-on and involutory setting, two couples of 20# channel-section steel B12 are arranged in the end positions of pedestal width, between two couples of 20# channel-section steel B12 of every group of steel sole plate B top position, be also welded with leg-of-mutton bar construction 13, two jiaos of bar construction 13 belows are weldingly fixed on respectively on two steel sole plate B11, in described second layer steel work B, the position of corresponding each steel sole plate B is all horizontally arranged with one group of 10# channel-section steel B14, in the middle of being wherein positioned at, on this group 10# channel-section steel B at the end position place of pedestal, is horizontally arranged with some threaded connection hole B15, in described compound steel structure B, be set side by side with some 5# channel-section steel B16 along end pedestal length direction, the 5# channel-section steel B open side that is positioned at both sides in compound steel structure B outwards arranges, and compound steel structure B top is equipped with one deck steel plate B17.
Claims (1)
1. a case beam is built steel pedestal structure, it is characterized in that, comprise that two end pedestals that are symmetrically located at two ends and three are positioned at middle the pedestal at middle part, the pedestals formation steel pedestal structure that can be engaged togather along its length in the middle of described two end pedestals and three;
Wherein said end pedestal comprises that spacing parallel arranging is along its length arranged at some steel sole plate A of the bottom, steel sole plate A exceeds the both sides of pedestal width along the both sides of pedestal width, steel sole plate A top is disposed with first floor steel work A, second layer steel work A and compound steel structure A; In described first floor steel work A, be provided with three couples of 20# channel-section steel A along pedestal length direction, every couple of 20# channel-section steel A is formed by two 20# channel-section steel A of edge-on and involutory setting, and three couples of 20# channel-section steel A are arranged in two ends and the medium position of pedestal width; In described second layer steel work A, the position of corresponding each steel sole plate A is all horizontally arranged with one group of 10# channel-section steel A, wherein obtained by two 10# channel-section steel A of edge-on and the opposing setting of opening direction near every group of 10# channel-section steel A of the end position of steel pedestal entirety, be positioned on this group 10# channel-section steel A of the position, one end that end pedestal and middle pedestal join simultaneously and be horizontally arranged with some threaded connection hole A; In described compound steel structure A, be set side by side with some 5# channel-section steel A along end pedestal length direction, the 5# channel-section steel A open side that is positioned at both sides in compound steel structure A outwards arranges, and compound steel structure A top is equipped with one deck steel plate A; Wherein in the second layer steel work A above a steel sole plate A of end position who closes on steel pedestal entirety and compound steel structure A, all leave the suspension centre space for lifting;
In the middle of described, pedestal comprises that spacing parallel arranging is along its length arranged at some groups of steel sole plate B of the bottom, every group of steel sole plate B comprises two steel sole plate B that are positioned at pedestal both sides along pedestal width, and steel sole plate B top is disposed with first floor steel work B, second layer steel work B and compound steel structure B; In described first floor steel work B, be set side by side with two couples of 20# channel-section steel B along pedestal length direction, every couple of 20# channel-section steel B is formed by two 20# channel-section steel B of edge-on and involutory setting, two couples of 20# channel-section steel B are arranged in the end positions of pedestal width, between two couples of 20# channel-section steel B of every group of steel sole plate B top position, be also welded with leg-of-mutton bar construction, two jiaos of bar construction below are weldingly fixed on respectively on two steel sole plate B; In described second layer steel work B, the position of corresponding each steel sole plate B is all horizontally arranged with one group of 10# channel-section steel B, in the middle of being wherein positioned at, on this group 10# channel-section steel B at the end position place of pedestal, is horizontally arranged with some threaded connection hole B; In described compound steel structure B, be set side by side with some 5# channel-section steel B along end pedestal length direction, the 5# channel-section steel B open side that is positioned at both sides in compound steel structure B outwards arranges, and compound steel structure B top is equipped with one deck steel plate B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210237183.XA CN102733298B (en) | 2012-07-10 | 2012-07-10 | Box girder cast steel pedestal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210237183.XA CN102733298B (en) | 2012-07-10 | 2012-07-10 | Box girder cast steel pedestal structure |
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| CN102733298A CN102733298A (en) | 2012-10-17 |
| CN102733298B true CN102733298B (en) | 2014-06-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713168A (en) * | 2008-10-06 | 2010-05-26 | 中交第三航务工程局有限公司 | Process for mounting template for manufacturing sectional box girders |
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN101890755A (en) * | 2010-07-07 | 2010-11-24 | 中铁四局集团第一工程有限公司 | Steel and concrete beam cast pedestal |
| CN201695341U (en) * | 2010-06-28 | 2011-01-05 | 中铁二十局集团有限公司 | Box girder prefabricated pedestal |
| EP2447025A1 (en) * | 2009-06-24 | 2012-05-02 | Mitsubishi Heavy Industries, Ltd. | Method for producing concrete trestle, concrete trestle, and connecting member |
-
2012
- 2012-07-10 CN CN201210237183.XA patent/CN102733298B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713168A (en) * | 2008-10-06 | 2010-05-26 | 中交第三航务工程局有限公司 | Process for mounting template for manufacturing sectional box girders |
| EP2447025A1 (en) * | 2009-06-24 | 2012-05-02 | Mitsubishi Heavy Industries, Ltd. | Method for producing concrete trestle, concrete trestle, and connecting member |
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN201695341U (en) * | 2010-06-28 | 2011-01-05 | 中铁二十局集团有限公司 | Box girder prefabricated pedestal |
| CN101890755A (en) * | 2010-07-07 | 2010-11-24 | 中铁四局集团第一工程有限公司 | Steel and concrete beam cast pedestal |
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| CN102733298A (en) | 2012-10-17 |
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Effective date of registration: 20161201 Address after: 408400 in Nanchuan District of Chongqing Industrial Park Nanping group (Nanping Zhen Xing Lake Village two) Patentee after: Chongqing Pro Wo Building Materials Co., Ltd. Address before: 401120 Chongqing city Chongqing northern New Changan Ford Cloud Road No. 3 song Road Patentee before: Chongqing Qinhe Preparations Co., Ltd. |
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Address after: 408400 in Nanchuan District of Chongqing Industrial Park Nanping group (Nanping Zhen Xing Lake Village two) Patentee after: CHONGQING QINHE ECOLOGICAL ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: 408400 in Nanchuan District of Chongqing Industrial Park Nanping group (Nanping Zhen Xing Lake Village two) Patentee before: CHONGQING QINHE JIANKE BUILDING MATERIALS Co.,Ltd. |
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