CN214993174U - Side span cast-in-place construction support - Google Patents
Side span cast-in-place construction support Download PDFInfo
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- CN214993174U CN214993174U CN202121068213.XU CN202121068213U CN214993174U CN 214993174 U CN214993174 U CN 214993174U CN 202121068213 U CN202121068213 U CN 202121068213U CN 214993174 U CN214993174 U CN 214993174U
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Abstract
The application discloses a side-span cast-in-place construction support, which belongs to the technical field of bridge construction, wherein a plurality of first support columns are arranged in a row and vertically along the length direction of a bearing platform, a plurality of second support columns are arranged in a row on the basis outside the bearing platform, the arrangement direction of the plurality of second support columns is the same as that of the plurality of first support columns, and the adjacent first support columns and the second support columns are in one-to-one correspondence; a plurality of reinforcing parallel links are arranged between the adjacent first supporting column and the second supporting column from top to bottom, and each reinforcing parallel link is respectively vertical to the first supporting column and the second supporting column; every stay tube setting is on the enhancement parallel connection of first support column and second support column top, and the stay tube is located between every adjacent first support column of group and second support column, and a plurality of first support columns, second support column and stay tube all are used for the supporting beam body. The utility model discloses the easier construction of cast-in-place section is striden to long limit, does not receive the restriction of structure.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a side span cast-in-place construction support.
Background
With the continuous extension of the traffic network in China, when crossing over areas such as rivers, gorges, chongshan and mountains, and the like, the prestressed concrete continuous beam bridge has obvious advantages in crossing over the same bridge within 100-200 m due to the characteristics of stress, service performance, construction cost and the like.
However, the side span cast-in-place section of the common variable cross-section continuous beam bridge is longer than a continuous rigid frame bridge, and the pier body is shorter, so that construction of the long side span cast-in-place section is limited by the structure, the formwork support is difficult to be erected in a bracket or scaffold form, and meanwhile, other construction temporary loads such as the weight of a closure section and the like need to be considered in the side span cast-in-place section, so that higher requirements on the support structure and safety are met.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a cast-in-place construction support is striden to limit, the construction of the cast-in-place section of long limit stride among the prior art has been solved, be restricted to structural constraint, adopt bracket or scaffold form to erect the difficult realization of template support, it is longer to have realized the cast-in-place section length of limit stride, the cast-in-place section of continuous beam bridge limit stride is close to transition mound pier shaft and folds the section department and respectively set up a first support column and a second support column, be used for supporting the cast-in-place section of continuous beam bridge limit stride and fold section construction load, simultaneously because connect with strengthening the parallel connection between first support column and second support column, and a stay tube has been designed, practice thrift construction material, this stay tube is fixed on the strengthening parallel connection that is close to the roof beam body, the atress that supports the stay tube with strengthening the parallel connection, can be easier be striden to the cast-in-place section construction of long limit, do not restricted by the structure.
The embodiment of the utility model provides a side span cast-in-place construction support, which comprises a bearing platform, a transition pier body, a plurality of first support columns, a plurality of second support columns, a plurality of support tubes and a beam body;
the first support columns are arranged in a row and vertically along the length direction of the bearing platform, the second support columns are arranged in a row on the basis outside the bearing platform, the arrangement directions of the second support columns and the first support columns are the same, and the adjacent first support columns and the second support columns are in one-to-one correspondence;
a plurality of reinforcing parallel links are arranged between the first supporting column and the second supporting column from top to bottom, and each reinforcing parallel link is respectively vertical to the first supporting column and the second supporting column;
every the stay tube sets up the enhancement parallel connection above first support column and the second support column, just the stay tube is established every group is adjacent first support column with between the second support column, it is a plurality of first support column the second support column reaches the stay tube all is used for supporting the roof beam body.
In one possible implementation, the first support column, the second support column, and the support tube are all steel tubes.
In a possible implementation manner, a reinforcing support is arranged between the adjacent reinforcing parallel links; the reinforcing support is a cross-shaped scissor support and a herringbone inclined support, and the top of the herringbone inclined support is connected with the bottom of the supporting tube.
In a possible implementation manner, the beam body includes a bearing beam and a distribution beam, the distribution beam is arranged at the upper end of the bearing beam, and the bearing beam and the distribution beam are used for supporting the side span cast-in-place section and the side span folding section.
In a possible implementation manner, a plurality of reinforcing parallel links are also arranged between the adjacent second supporting columns, each reinforcing parallel link is perpendicular to two adjacent second supporting columns, a cross-type scissor support is further arranged between the adjacent reinforcing parallel links, and the structures between the adjacent first supporting columns and the adjacent second supporting columns are the same.
In a possible implementation manner, box girder construction main girders and template supporting systems are arranged on two sides of the side-span cast-in-place section in the length direction of the bearing platform, and the box girder construction main girders and the template supporting systems are located between the bottoms of two ends of the side-span cast-in-place section and the bearing beams.
In a possible implementation manner, a first inclined strut is arranged between the second supporting column close to the outer side and the bottom of the bearing beam, a triangular structure is formed by the first inclined strut, the second supporting column close to the outer side and the bearing beam, and a second inclined strut is further arranged between the first inclined strut and the second supporting column.
In a possible implementation manner, the upper ends of the first support column and the second support column further comprise transition pier capping beams, and two sides of the upper end of each transition pier capping beam are located on the outer sides of the upper ends of the first inclined supports.
In a possible implementation manner, a plurality of support buttresses are further arranged between the first support column and the transition pier body, adjacent support buttresses are parallel to each other, and an inclined rod is arranged between adjacent support buttresses.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the embodiment of the utility model adopts the structure that one end of the continuous beam bridge side span cast-in-place section close to the bearing platform is fixed with a row of first supporting columns, the other end of the side span cast-in-place section is provided with a row of second supporting columns close to the side span closure section, the first supporting columns and the second supporting columns are used for supporting construction loads of the side span cast-in-place section and the closure section of the continuous beam bridge, the row of first supporting columns and the row of second supporting columns are easier to construct aiming at the longer side span cast-in-place section in the length direction of the bearing platform and are not limited by the structure, the first supporting columns and the second supporting columns are connected by the reinforced parallel connection, the side span cast-in-place section is longer in length, in order to reduce the top stressed beam specification of the first supporting columns and the second supporting columns, the construction material is saved, a non-landing supporting tube is designed, the supporting tube is positioned on the reinforced parallel connection above the first supporting columns and the second supporting columns, because the load of the box beam flange plate is smaller, for saving construction materials, a first inclined strut is arranged between a second supporting column close to the outer side and the bearing beam, and the first inclined strut supports the stress of the transition pier body through the reinforcement parallel connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a layout diagram of a side span cast-in-place construction support provided by an embodiment of the utility model;
FIG. 2 is a cross-sectional layout view of a side span cast-in-place construction support provided by an embodiment of the present invention;
fig. 3 provides a top view of fig. 1 for an embodiment of the present invention;
icon: 1-a bearing platform; 2-a first support column; 3-a second support column; 4-side span cast-in-place section; 5-side span closure segment; 6-support buttress; 7-strengthening parallel connection; 8-supporting the tube; 9-a spandrel girder; 10-a distribution beam; 11-transition pier body; 12-a base; 13-main beam and formwork support systems; 14-a first diagonal brace; 15-transition pier capping beam; 16-a second diagonal brace; 17-fold section hanger mounting platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-3, the utility model provides a side span cast-in-place construction support, which comprises a bearing platform 1, a transition pier body 11, a plurality of first support columns 2, a plurality of second support columns 3, a plurality of support tubes 8 and a beam body;
the plurality of first support columns 2 are arranged in a row and vertically along the length direction of the bearing platform 1, the plurality of second support columns 3 are arranged in a row on a foundation 12 outside the bearing platform 1, the arrangement directions of the plurality of second support columns 3 and the plurality of first support columns 2 are the same, and the adjacent first support columns 2 and the second support columns 3 are in one-to-one correspondence;
the first supporting column 2 is fixedly connected with a first embedded part embedded on the bearing platform 1, and the second supporting column 3 is fixedly connected with a second embedded part embedded on the foundation 12;
a plurality of reinforcing parallel links 7 are arranged between the first support column 2 and the second support column 3 from top to bottom, and each reinforcing parallel link 7 is respectively vertical to the first support column 2 and the second support column 3;
every stay tube 8 sets up on the enhancement parallel connection 7 of first support column 2 and second support column 3 top, and the stay tube 8 is established between every adjacent first support column 2 of group and second support column 3, and a plurality of first support columns 2, second support column 3 and stay tube 8 all are used for the support beam body.
Through the scheme, one end of the beam body close to the bearing platform 1 is fixed with a row of first supporting columns 2, the bottom of the other end of the beam body is provided with a row of second supporting columns 3, the first supporting columns 2 and the second supporting columns 3 which are arranged in rows can meet the stress requirement of the whole length of the supported beam in the direction from the vertical paper surface to the inside in the figure 1, in addition, supporting tubes 8 are arranged above the strengthening parallel connection 7 positioned at the upper ends of the first supporting columns 2 and the second supporting columns 3, namely, the supporting tubes 8 are in a non-landing form, the supporting tubes 8 are arranged in the middle of the connecting line of the first supporting columns 2 and the second supporting columns 3, the non-landing form of the supporting tubes 8 can save construction materials, the plurality of supporting tubes 8 can also be used as the stress structure of the supported beam body together with the first supporting columns 2 and the second supporting columns 3, a plurality of strengthening parallel connections 7 are arranged between the adjacent first supporting columns 2 and the second supporting columns 3, the reinforcing parallel connection 7 can enhance the transverse stress of the first supporting column 2 and the second supporting column 3.
Optionally, the support tube 8, the first support column 2, and the second support column 3 are all steel tubes. At first, the steel pipe can save material, and in addition, the steel pipe has stronger toughness as the support, difficult cracked characteristics, and simultaneously, first support column 2 also chooses for use the steel pipe with second support column 3, and stay tube 8 is located between first support column 2 and the second support column 3 moreover, and the atress is comparatively even on the whole.
Optionally, a reinforcing support is arranged between the adjacent reinforcing parallel links 7, the reinforcing support is a cross-shaped cross support and a herringbone inclined support, and the top of the herringbone inclined support is connected with the bottom of the supporting tube 8. Because the position of the supporting tube 8 is located between the first supporting column 2 and the second supporting column 3, and the bottom of the supporting tube 8 is a reinforced flat connection 7, the reinforced flat connection 7 is perpendicular to the first supporting column 2 and the second supporting column 3, and the bottom of the supporting tube 8 needs to be supported by stress, the upper end of the inclined strut in the shape of Chinese character 'ren' is connected with the bottom of the supporting tube 8 at the reinforced flat connection 7, the inclined strut in the shape of Chinese character 'ren' can be used as longitudinal reinforced force between the adjacent reinforced flat connections 7 and can also be used as supporting force of the supporting tube 8 which is not fallen to the ground, and meanwhile, the transverse deformation of the adjacent first supporting column 2 and the adjacent second supporting column 3 is avoided, and crossed type shear struts are arranged between the other adjacent reinforced flat connections 7, and the free ends of the crossed type shear struts are respectively located at the corner positions formed between the first supporting column 2 and the second supporting column 3 and the adjacent reinforced flat connections 7 corresponding to the same, and the crossed type shear struts are used as transverse reinforced supporting struts of the adjacent first supporting column 2 and the second supporting column 3 And can also be used as a longitudinal reinforcing support between adjacent reinforcing parallel links 7; the stability of the integral supporting structure formed by the first supporting column 2, the second supporting column 3 and the supporting tube 8 is further improved by the arrangement of the reinforcing support.
Optionally, the beam body includes a bearing beam 9 and a distribution beam 10, the upper end of the bearing beam 9 is the distribution beam 10, and the bearing beam 9 and the distribution beam 10 are used for supporting the side-span cast-in-place section 4 and the side-span closure section 5, so that the construction of the long-side-span cast-in-place section 4 can be more easily performed, and in addition, because the side-span closure section 5 exists, a closure section hanger mounting platform 17 is arranged at a position of the second support column 3 close to the side-span closure section 5.
Optionally, referring to fig. 2, because the first supporting columns 2 and the second supporting columns 3 are arranged in a row, a plurality of reinforcing parallel links 7 are also arranged between adjacent second supporting columns 3, each reinforcing parallel link 7 is perpendicular to two adjacent second supporting columns 3, and a cross-type scissor brace is further partially or completely arranged between adjacent reinforcing parallel links 7, if a cross-type scissor brace is partially arranged, a cross-type scissor brace is not arranged at a certain position in the middle between the height between the beam body and the platform 1, so that the stress requirement between two adjacent second supporting columns 3 is met, the material is saved, or a cross-type scissor brace is fully arranged between adjacent reinforcing parallel links 7, so that the transverse and longitudinal stress requirements of the adjacent second supporting columns 3 can be further strengthened, the stability of the overall bracket is further strengthened, the structure between the adjacent first supporting columns 2 is the same as that between the adjacent second supporting columns 3, the supporting structure that every group corresponds first support column 2 and second support column 3, enhancement parallel connection 7 and non-fall to the ground stay tube 8 and form sets up the multiunit along cushion cap 1 length direction, and the holistic support performance is mutually strengthened to such supporting structure interconnect of every group.
Continuing to refer to fig. 2, the side-span cast-in-place section 4 is provided with box girder construction main beams and formwork support systems 13 on two sides of the length direction of the bearing platform 1, and the box girder construction main beams and the formwork support systems 13 are located between the bottoms of two ends of the side-span cast-in-place section 4 and the bearing beams 9, so that the stability of the side-span cast-in-place section 4 along the length direction of the bearing platform 1 is further enhanced.
Optionally, a first inclined strut 14 is arranged between the second support column 3 close to the outer side and the bottom of the bearing beam 9, the first inclined strut 14, the second support column 3 close to the outer side and the bearing beam 9 form a triangular structure, and a second inclined strut 16 is further arranged between the first inclined strut 14 and the second support column 3. The triangular structure is used as a support of a box girder construction main girder and a formwork support system 13, and the second inclined strut 16 further strengthens the triangular structure, so that the stability of the triangular structure is improved.
Optionally, a transition pier capping beam 15 is further included at the upper end of the first support column 2 and the second support column 3, and both sides of the upper end of the transition pier capping beam 15 are located outside the upper end of the first inclined support 14. This arrangement further lengthens the support for the longer side span cast-in-place section 4 along the length of the platform 1.
Optionally, still be equipped with a plurality of support buttresses 6 between first support column 2 and the transition mound pier shaft 11, be parallel to each other between the adjacent support buttresses 6, and be equipped with the down tube between the adjacent support buttresses 6, improve the stability of first support column 2 at transition mound pier shaft 11 setting to fix all first support columns 2 that are listed as an organic whole with transition mound pier shaft 11, the support between the adjacent support buttresses 6 is regarded as to the down tube.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (9)
1. The side span cast-in-place construction support is characterized by comprising a bearing platform (1), a transition pier body (11), a plurality of first support columns (2), a plurality of second support columns (3), a plurality of support tubes (8) and a beam body;
the first support columns (2) are arranged in a row and vertically along the length direction of the bearing platform (1), the second support columns (3) are arranged in a row on a foundation (12) outside the bearing platform (1), the arrangement directions of the second support columns (3) and the first support columns (2) are the same, and the adjacent first support columns (2) and the second support columns (3) are in one-to-one correspondence;
a plurality of reinforcing parallel links (7) are arranged between the adjacent first supporting column (2) and the second supporting column (3) from top to bottom, and each reinforcing parallel link (7) is respectively vertical to the first supporting column (2) and the second supporting column (3);
every stay tube (8) sets up on first support column (2) and second support column (3) top strengthen parallel connection (7), just stay tube (8) are located every group adjacent first support column (2) with between second support column (3), it is a plurality of first support column (2), second support column (3) and stay tube (8) all are used for supporting the roof beam body.
2. The side-span cast-in-place construction bracket according to claim 1, wherein the first support column (2), the second support column (3) and the support tube (8) are all steel tubes.
3. The side span cast-in-place construction bracket according to claim 1, characterized in that a reinforcing brace is arranged between the adjacent reinforcing parallel links (7);
the reinforcing support is a cross-shaped scissor support and a herringbone inclined support, and the top of the herringbone inclined support is connected with the bottom of the supporting tube (8).
4. The side-span cast-in-place construction support frame according to claim 2, characterized in that the beam body comprises a bearing beam (9) and a distribution beam (10), the upper end of the bearing beam (9) is the distribution beam (10), and the bearing beam (9) and the distribution beam (10) are used for supporting the side-span cast-in-place section (4) and the side-span folding section (5).
5. The side span cast-in-place construction support frame according to claim 4, characterized in that a plurality of reinforcing parallel links (7) are arranged between the adjacent second supporting columns (3), each reinforcing parallel link (7) is perpendicular to the two adjacent second supporting columns (3), a cross type shear support is arranged between the adjacent reinforcing parallel links (7), and the structure between the adjacent first supporting columns (2) is the same as that between the adjacent second supporting columns (3).
6. The side-span cast-in-place construction support frame according to claim 5, characterized in that box girder construction main girders and formwork support systems (13) are arranged on two sides of the side-span cast-in-place section (4) in the length direction of the bearing platform (1), and the box girder construction main girders and formwork support systems (13) are positioned between the bottom parts of two ends of the side-span cast-in-place section (4) and the bearing girders (9).
7. The side span cast-in-place construction support frame according to claim 6, characterized in that a first inclined strut (14) is arranged between the second supporting column (3) close to the outer side and the bottom of the bearing beam (9), the first inclined strut (14), the second supporting column (3) close to the outer side and the bearing beam (9) form a triangular structure, and a second inclined strut (16) is further arranged between the first inclined strut (14) and the second supporting column (3).
8. The cast-in-place construction bracket for side span according to claim 7, characterized in that the upper ends of the first support column (2) and the second support column (3) further comprise a transition pier capping beam (15), and the two sides of the upper end of the transition pier capping beam (15) are positioned outside the upper end of the first inclined strut (14).
9. The side span cast-in-place construction support frame according to claim 1, characterized in that a plurality of support buttress walls (6) are further arranged between the first support column (2) and the transition pier body (11), adjacent support buttress walls (6) are parallel to each other, and an inclined rod is arranged between adjacent support buttress walls (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068213.XU CN214993174U (en) | 2021-05-19 | 2021-05-19 | Side span cast-in-place construction support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068213.XU CN214993174U (en) | 2021-05-19 | 2021-05-19 | Side span cast-in-place construction support |
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| Publication Number | Publication Date |
|---|---|
| CN214993174U true CN214993174U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121068213.XU Active CN214993174U (en) | 2021-05-19 | 2021-05-19 | Side span cast-in-place construction support |
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| CN (1) | CN214993174U (en) |
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- 2021-05-19 CN CN202121068213.XU patent/CN214993174U/en active Active
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