CN216864843U - Combined type bracket system for high-altitude transverse concrete member construction - Google Patents
Combined type bracket system for high-altitude transverse concrete member construction Download PDFInfo
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- CN216864843U CN216864843U CN202220064284.0U CN202220064284U CN216864843U CN 216864843 U CN216864843 U CN 216864843U CN 202220064284 U CN202220064284 U CN 202220064284U CN 216864843 U CN216864843 U CN 216864843U
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Abstract
The utility model discloses a composite bracket system for high-altitude transverse concrete member construction, which comprises an upper bracket system and a bracket system, wherein the upper bracket system and the bracket system are arranged between two adjacent bridge towers or between two adjacent bridge piers; the upper bracket system comprises a bearing beam arranged at the bottom of a bridge body, two ends of the bearing beam are respectively connected with two bridge towers or two bridge piers, and the bearing beam is connected with the bridge towers or the bridge piers through inclined support legs; the support system comprises two groups of stand columns which are arranged in pairs and a foundation beam which is used for connecting the lower ends of each group of stand columns, the foundation beam is connected with a foundation, and the upper ends of the stand columns are connected with the bearing beams. The composite bracket system has the advantages of good overall stability, strong bearing capacity, excellent safety performance and real-time monitoring function, and can effectively improve the construction safety of the high-altitude concrete member.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a composite bracket system for high-altitude transverse concrete member construction.
Background
In bridge construction, high piers or high towers (pylons) are frequently encountered, transverse connection members are often arranged among the piers to improve the stability of the piers, most of the piers and the transverse connection members are cast-in-place reinforced concrete structures, when the transverse connection members are constructed, supports are generally required to be erected for on-site pouring, and when the positions of the members are low, full supports or steel pipe upright supports can be generally and directly erected for structural pouring construction. Full hall support form only is applicable to the height and is less than 20 m's structure and pours, and to the bridge structures of higher position department, this support can't satisfy the construction requirement.
The simple beam-column type support and the bracket have the defects. When the beam column type support is adopted, load is mainly transmitted to the foundation through the stand column, when the stand column is large in height, the stability is reduced, the bearing capacity is reduced, and when the concrete member is higher than the ground, the number of the steel tube stand columns is large, and the construction cost is increased. The general bracket structure mainly comprises an inclined supporting leg, a bearing beam and a distribution beam, wherein the load of the upper part is transmitted to the bearing beam and the inclined supporting leg through the distribution beam and finally transmitted to a poured concrete pier (tower) column, and the bracket system utilizes the bearing capacity of the concrete pier (tower) column, so that the bracket system has less material consumption and better economical efficiency. However, when the concrete member is large in size, the bracket inclined leg is difficult to design, and when the inclined leg transmits the load to the constructed pier (tower) column, the inclined leg applies a horizontal force to the pier column, so that the stress on the pier (tower) column is unfavorable, and therefore, the bracket system is not suitable for the construction of the large-size concrete member. In addition, the bracket system is located at the high altitude, is higher than the ground, and the quality of the construction quality is difficult to monitor, especially in the concrete pouring process, the stress and the deformation of the bracket are difficult to observe, so that the construction risk is increased. Therefore, in order to take account of the economy and safety of the construction of the high-altitude concrete member, the composite bracket system suitable for the construction of the high-altitude concrete transverse member is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a composite bracket system for high-altitude transverse concrete member construction. The composite bracket system has the advantages of good overall stability, strong bearing capacity, excellent safety performance, real-time monitoring function and capability of effectively solving the problem of poor safety of high-altitude construction.
In order to achieve the purpose, the utility model adopts the technical scheme that: a composite bracket system for high-altitude transverse concrete member construction comprises an upper bracket system and a support system, wherein the upper bracket system and the support system are arranged between two adjacent bridge towers or between two adjacent bridge piers; the upper bracket system comprises a bearing beam arranged at the bottom of a bridge body, two ends of the bearing beam are respectively connected with two bridge towers or two piers, and the bearing beam is connected with the bridge towers or the piers through inclined support legs; the support system comprises two groups of stand columns which are arranged in pairs and a foundation beam which is used for connecting the lower ends of each group of stand columns, the foundation beam is connected with a foundation, and the upper ends of the stand columns are connected with the bearing beam.
The composite bracket system for the construction of the high-altitude transverse concrete member is characterized by further comprising a distribution beam arranged between the bearing beam and the bridge body.
In the composite bracket system for high-altitude transverse concrete member construction, the two groups of the stand columns are connected with each other through the first flat connecting rod and the first inclined connecting rod.
In the composite bracket system for high-altitude transverse concrete member construction, the upright post, the first flat link rod and the first inclined link rod form a spatial triangular net structure.
In the composite bracket system for the construction of the high-altitude transverse concrete member, each group of the stand columns is connected with the adjacent bridge tower or bridge pier through the cross support plate.
The composite bracket system for the construction of the high-altitude transverse concrete member is characterized in that: the cross supporting plates are arranged in two groups, and each group of cross supporting plates are connected through a second flat connecting rod and a second inclined connecting rod.
In the composite bracket system for high-altitude transverse concrete member construction, each group of the cross support plates, the second flat connecting rods and the second inclined connecting rods form a spatial triangular net structure.
The composite bracket system for the construction of the high-altitude transverse concrete member is characterized in that a reserved connecting piece is arranged on the bridge pier or the bridge tower, and the inclined support leg is connected with the reserved connecting piece.
In the composite bracket system for high-altitude transverse concrete member construction, the upper ends of the upright columns of each group are connected through the upper cross beam, and the upright columns are connected with the bearing beam through the upper cross beam.
According to the composite bracket system for the construction of the high-altitude transverse concrete member, the bottom of the upright post is provided with the strain gauge.
Compared with the prior art, the utility model has the following advantages:
1. the composite bracket is simple in structure, convenient to construct, better in safety performance and large in bearing capacity compared with the traditional bracket; the material consumption is less than that of a beam-column type bracket, and the economic performance is better; the bracket system has both economical efficiency and safety.
2. The upper bracket system is a main stressed component, the lower upright post auxiliary bracket is stressed, the structural stress and stability are better, the whole bracket system is mainly composed of I-shaped steel and steel pipes, the material is simple, and the construction is convenient.
3. According to the support system, the main stress components are the stand columns, the stand columns are connected with each other through the inclined link rods and the horizontal link rods in a welding mode, and the stand columns, the horizontal link rods and the inclined link rods form a spatial triangular net structure, so that the structure is more stable. Through setting up the cross bracing board, link to each other stand and pier, further improve braced system's stability, can avoid structure unstability to destroy.
4. The system has a real-time monitoring function, can monitor the stress condition of the steel pipe upright post in real time, conjecture the stress condition of the upper bracket system, and can play a guiding role in concrete pouring; when the support stress is too large, the pouring can be stopped in time, the early warning effect can be achieved, and the construction safety is guaranteed.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 5 is a cross-sectional view taken along line D-D in fig. 1.
Description of reference numerals:
1-bridge pier; 2-bridge beam body; 3-upper bracket system;
3 a-a spandrel girder; 3 b-oblique legs; 3 d-distribution beam;
3 e-upper beam; 4-a stent system; 4 a-upright post;
4 b-a foundation beam; 4c — a first tie rod; 4d — a first diagonal link;
4e, a cross supporting plate; 4f — a second flat link; 4 g-a second diagonal link;
5, a strain gauge; 6, reserving a connecting piece; 7, connecting steel plates.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
As shown in fig. 1, 4 and 5, the composite bracket system for high-altitude transverse concrete member construction comprises an upper bracket system 3 and a support system 4, wherein the upper bracket system 3 and the support system 4 are both arranged between two adjacent bridge towers or between two adjacent piers 1, and the upper bracket system 3 is positioned above the support system 4. In the present embodiment, the upper bracket system 3 and the bracket system 4 are installed between two piers 1 as an example.
With reference to fig. 1, 4 and 5, the upper bracket system 3 comprises a load beam 3a and a distribution beam 3 d. The bearing beam 3a is arranged at the bottom of the bridge body 2, two ends of the bearing beam 3a are respectively connected with the two piers 1, and the bearing beam 3a is connected with the piers 1 through the inclined support legs 3 b; the distribution beam 3d is arranged between the bearing beam 3a and the bridge beam body 2.
With reference to fig. 1, 4 and 5, the support system 4 includes columns 4a and foundation beams 4b, the columns 4a are arranged in pairs, and the foundation beams 4b are used for connecting the lower ends of each group of columns 4a, wherein the foundation beams 4b are connected with the foundation, and the upper ends of the columns 4a are connected with the bearing beams 3 a. And the two sets of the upright posts 4a are connected with each other through a first flat link 4c and a first diagonal link 4 d.
In this embodiment, preferred stand 4a adopts the steel pipe stand, through the foundation beam 4b (adopting to piece together I-steel more) that sets up in stand 4a bottom, can increase the area of contact of stand 4a with the ground like this, improves stand 4a bottom bearing capacity, reduces the subsidence of stand 4a to the effect of making level has. And the upright 4a is placed above the foundation beam 4b, both of which are reinforced by welding. In addition, the upright post 4a is connected with the first inclined link rod 4d and the first flat link rod 4c in a welding mode, and the upright post 4a, the first inclined link rod 4d and the first flat link rod 4c are in a space triangular net structure, so that the structure is more stable, the overall stability of the upright post system is improved, and instability can be prevented. The end of the first diagonal rod 4d needs to be beveled, so that the end of the first diagonal rod 4d is tightly combined with the upright 4a, and a welding seam is more easily applied.
Further, each group of upright columns 4a is connected with the adjacent pier 1 through a cross support plate 4 e. And, the cross bracing plates 4e are laid for one set, each set of said cross bracing plates 4e are connected through the second tie rod 4f and second diagonal tie rod 4 g.
Specifically, between stand 4a and the concreted, according to the engineering construction height, at an interval, link to each other through setting up two cross braces 4e, can improve the overall stability of whole bracket system, prevent that stand 4a from too high, take place the unstability. The cross plates 4e in the same horizontal plane are connected to each other by a second flat link 4f and a second diagonal link 4 g. The second flat link 4f and the second diagonal link 4g are connected to the cross plate 4e by welding. The connection form of the connecting steel plate 7 is shown in fig. 3, wherein the connecting steel plate 7 is fixed on the pier 1 with the poured concrete by high-strength bolts through holes reserved on the poured concrete by the connecting steel plate 7, and the cross support plate 4e and the pier 1 with the poured concrete are directly welded on the connecting steel plate 7 on the concrete structure.
Preferably, each set of the cross-brace 4e and the second flat link 4f and the second diagonal link 4g forms a spatial triangular net structure.
With reference to fig. 1 and 2, a reserved connecting piece 6 is arranged on the pier 1, and the inclined support legs 3b are connected with the reserved connecting piece 6. Specifically, one end of the inclined leg 3b is welded and connected to a steel plate (i.e., a reserved connecting member 6) reserved in the bridge pier 1 with the concrete poured therein, and the connection form is as shown in fig. 2. The other end of the oblique supporting leg 3b is connected with the bearing beam 3a in a welding mode after being beveled. And the distribution beams 3d which are parallel to each other are vertically arranged above the bearing beam 3a, the distribution beams 3d are directly lapped on the bearing beam 3a, and the standard steel pipe frame for pouring the bridge body 2 is directly arranged above the distribution beams 3 d.
As shown in fig. 1 and 5, the upper ends of the vertical columns 4a of each group are connected by an upper cross beam 3e, and the vertical columns 4a are connected with the bearing beam 3a by the upper cross beam 3 e.
Specifically, the top of the upright post 4a is directly provided with the upper cross beam 3e, and the upper cross beam are in a lap joint mode. The upper beam 3e is perpendicular to the bearing beam 3a, and the upper beam and the bearing beam are directly overlapped.
Further, a strain gauge 5 is provided at the bottom of the pillar 4 a. By mounting a real-time monitoring system at the bottom of the column 4a, the real-time monitoring system includes, but is not limited to, strain gauges 5. Specifically, the strain gauge 5 is mounted on the lower portion of the upright post 4a through the real-time monitoring system, the strain gauge 5 is connected to the data acquisition instrument, the stress of the upright post 4a can be measured in real time, and the stress state of the bracket system and the stress state of the upright post system are analyzed through the stress of the upright post 4 a. After the pouring can be calculated in advance, the theoretical stress value of the stand column is compared with the actual measurement stress value of the stand column when the pouring is carried out on site, and the stress of the structure can be monitored. The real-time monitoring system mainly comprises a strain gauge and a data acquisition instrument.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a horizontal concrete member of high altitude is combined type bracket system for construction which characterized in that: comprises an upper bracket system (3) and a support system (4) which are arranged between two adjacent bridge towers or between two adjacent bridge piers (1);
the upper bracket system (3) comprises a bearing beam (3a) arranged at the bottom of a bridge body (2), two ends of the bearing beam (3a) are respectively connected with two bridge towers or two piers (1), and the bearing beam (3a) is connected with the bridge towers or the piers (1) through inclined support legs (3 b);
the support system (4) comprises two groups of stand columns (4a) which are arranged in pairs and a foundation beam (4b) which is used for connecting the lower ends of each group of stand columns (4a), the foundation beam (4b) is connected with a foundation, and the upper ends of the stand columns (4a) are connected with the bearing beams (3 a).
2. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: the upper bracket system (3) further comprises a distribution beam (3d) arranged between the bearing beam (3a) and the bridge beam body (2).
3. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: the two groups of upright posts (4a) are connected with each other through a first flat link rod (4c) and a first diagonal link rod (4 d).
4. The composite bracket system for high-altitude transverse concrete member construction according to claim 3, wherein: the upright post (4a), the first flat link rod (4c) and the first inclined link rod (4d) form a spatial triangular net structure.
5. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: each group of upright columns (4a) is connected with the adjacent bridge tower or pier (1) through a cross bracing plate (4 e).
6. The composite bracket system for high-altitude transverse concrete member construction according to claim 5, wherein: the cross supporting plates (4e) are distributed in two groups, and each group of the cross supporting plates (4e) are connected through a second flat connecting rod (4f) and a second inclined connecting rod (4 g).
7. The composite bracket system for high-altitude transverse concrete member construction according to claim 6, wherein: each group of the cross supporting plate (4e), the second flat connecting rod (4f) and the second oblique connecting rod (4g) form a spatial triangular net structure.
8. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: be provided with on pier (1) or the bridge tower and reserve connecting piece (6), oblique landing leg (3b) with it is connected to reserve connecting piece (6).
9. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: the upper end of each group of upright columns (4a) is connected through an upper cross beam (3e), and the upright columns (4a) are connected with the bearing beams (3a) through the upper cross beams (3 e).
10. The composite bracket system for high-altitude transverse concrete member construction according to claim 1, wherein: and the bottom of the upright post (4a) is provided with a strain gauge (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064284.0U CN216864843U (en) | 2022-01-11 | 2022-01-11 | Combined type bracket system for high-altitude transverse concrete member construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064284.0U CN216864843U (en) | 2022-01-11 | 2022-01-11 | Combined type bracket system for high-altitude transverse concrete member construction |
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| CN216864843U true CN216864843U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220064284.0U Active CN216864843U (en) | 2022-01-11 | 2022-01-11 | Combined type bracket system for high-altitude transverse concrete member construction |
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| CN (1) | CN216864843U (en) |
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