CN218373338U - Steel pipe column supporting structure for bridge engineering - Google Patents
Steel pipe column supporting structure for bridge engineering Download PDFInfo
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- CN218373338U CN218373338U CN202221675476.1U CN202221675476U CN218373338U CN 218373338 U CN218373338 U CN 218373338U CN 202221675476 U CN202221675476 U CN 202221675476U CN 218373338 U CN218373338 U CN 218373338U
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- pipe column
- steel pipe
- support frame
- steel
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Abstract
The utility model relates to a steel pipe post bearing structure for bridge engineering, including the steel-pipe column, the steel-pipe column is installed on upper support frame through a plurality of fixed parts, upper support frame is placed on lower floor's support frame, lower floor's support frame is placed subaerial, and based on above-mentioned operation, this bearing structure dead weight is less, and hoist and mount transportation is convenient, has enough to meet the need availability factor height for the construction progress, has satisfied steel-pipe column support system intensity, rigidity, stability requirement, and this bearing structure shear resistance is stronger simultaneously, and the residual value is higher after the engineering, and is with low costs, and economic benefits is high.
Description
Technical Field
The utility model relates to a bridge construction field, more specifically, the utility model relates to a steel tubular column bearing structure for bridge engineering.
Background
The most commonly used steel pipe column supporting method at present mainly comprises the steps of pouring a reinforced concrete strip foundation (foundation top embedded steel plate) on the ground, installing the steel pipe column on the embedded steel plate, erecting an I-shaped steel (Bailey beam) main beam and a distribution beam on the top of the steel pipe column to form a stable supporting system, installing a steel template and a steel bar on a supporting system, pouring concrete, removing the steel template and the supporting system after the concrete strength meets the design requirement, and completing the construction of the cast-in-place reinforced concrete bent cap.
The foundation of the steel pipe stand column in the existing steel pipe stand column supporting system mainly adopts a reinforced concrete strip foundation, the size and the reinforcing bars of the strip foundation are determined according to the calculation of upper part load and foundation bearing capacity, an embedded steel plate with anchoring reinforcing bars is arranged on the top of the strip foundation, the steel pipe stand column is welded on the embedded steel plate, the load of the supporting system and an upper structure is transmitted to the strip foundation through the steel pipe stand column and then transmitted to the ground, the reinforced concrete strip foundation determined through the detection and calculation of the load and the foundation bearing capacity can provide enough strength and rigidity, and the construction safety of the supporting system is met.
However, the reinforced concrete strip foundation has the following disadvantages in the using process: one of the defects is that the self weight is large, if the weight of the strip foundation exceeds 15 tons, the hoisting and transportation cost is high, and the turnover use is difficult; secondly, the shearing resistance of the concrete strip foundation is poor, and the strip foundation is easy to damage after being loaded; the third defect is that the strip foundation is high in one-time investment cost, low in turnover utilization rate and extremely low in strip foundation residual value after the project is finished.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the utility model provides a steel tubular column bearing structure for bridge engineering builds two-layer support frame about a plurality of I-steel, installs the steel-pipe column on upper support frame, uses the support frame to support the steel-pipe column, and the dead weight is less, and the ability of shearing is strong, and the turnover rate of utilization is high.
According to the utility model discloses an aspect provides a steel pipe post bearing structure for bridge engineering, including the steel-pipe column, the steel-pipe column is installed on upper support frame through a plurality of fixed parts, upper support frame is placed on lower floor's support frame, lower floor's support frame is placed subaerial.
Through this scheme, upper support frame and lower floor's support frame have replaced reinforced concrete strip foundation in the past for same construction position adopts this bearing structure dead weight less under the same circumstances of upper portion load and ground bearing capacity, and the hoist and mount transportation is convenient, and the turnover availability factor is high, has accelerated the construction progress.
Preferably, the upper layer of support frame and the lower layer of support frame are both composed of a plurality of I-shaped steel.
Through this scheme, upper support frame and lower floor's support frame form by the I-steel concatenation, and convenient for material collection, the cost is lower, and the installation is rapid, has greatly improved work efficiency.
Preferably, the upper layer support frame and the lower layer support frame are arranged vertically.
Through this scheme, upper support frame is placed perpendicularly on lower floor's support frame, has increased stability and fastness between upper support frame and the lower floor's support frame to ensure the firm nature of steel-pipe column installation, guaranteed going on smoothly of bridge construction.
Preferably, the fixing part comprises a fixing buckle and a puller bolt, and the fixing buckle is fixedly connected with the connecting plate at the lower part of the steel pipe column through the puller bolt.
Through this scheme, fixed buckle and connecting plate fixed connection under the effect of tight bolt in top not only further strengthened the fastness of steel-pipe column installation, can also avoid punching on the connecting plate simultaneously, and the installation is rapider, has optimized the mounting process, has improved work efficiency.
Preferably, the fixed buckle includes fixed plate and U type groove, fixed plate fixed mounting be in the below in U type groove, the opening orientation in U type groove the connecting plate is arranged, the symmetry seted up on the both sides cell wall in U type groove with the through-hole of puller bolt looks adaptation.
Through this scheme, U type groove lug card is in the both sides of connecting plate, and two puller bolts pass the through-hole conflict on the U type groove on the connecting plate, are convenient for fix the position of steel-pipe column, have strengthened the stability and the fastness of steel-pipe column installation.
Preferably, a supporting plate is arranged between the bottom of the steel pipe column and the upper layer supporting frame, the supporting plate is fixedly installed on the upper layer supporting frame, a sliding groove matched with the sliding block on the fixing plate is formed in the supporting plate, and the sliding block is connected with the sliding groove in a sliding mode.
Through this scheme, the slider of fixed plate bottom can slide along the direction of spout on the fagging, places the completion back when the position with the steel-pipe column, and the fixed plate that slides makes it remove towards the direction of connecting plate to the card has enlarged application scope in the both sides of connecting plate, has flexibility and practicality more.
Preferably, the width of the top cross section of the chute is smaller than the width of the bottom cross section thereof.
Through this scheme, the setting of spout has strengthened the slider and has removed the stability of in-process, prevents that the slider from breaking away from the spout, has guaranteed going on smoothly of steel-pipe column fixed work.
The technical effect of the utility model lies in, this steel pipe post bearing structure for bridge engineering, the dead weight is less, and hoist and mount transportation is convenient, and the turnover availability factor is high for the construction progress has satisfied steel-pipe column support system intensity, rigidity, stability requirement, and this bearing structure shear capacity is stronger simultaneously, and the residual value is higher after the engineering, and is with low costs, and economic benefits is high.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is the utility model discloses well bridge engineering steel tubular column bearing structure's schematic structure.
Fig. 2 is a front view of the steel pipe column support structure for bridge construction in the present embodiment.
Fig. 3 is a schematic structural view of the fixing member in the present embodiment.
Fig. 4 is a schematic structural view of the chute in the embodiment.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
Examples
As shown in fig. 1 to 4, the steel pipe column support structure for bridge engineering in the present embodiment includes a steel pipe column 1, the steel pipe column 1 is installed on an upper support frame 3 through a plurality of fixing members 2, the upper support frame 3 is placed on a lower support frame 4, and the lower support frame 4 is placed on the ground.
Further, the upper layer support frame 3 and the lower layer support frame 4 are composed of a plurality of I-shaped steels which are arranged side by side, and the length of the I-shaped steel of the lower layer support frame 4 is larger than that of the upper layer support frame 3.
The upper support frame 3 and the lower support frame 4 are formed by splicing I-shaped steel, so that materials are convenient to obtain, the cost is low, the installation is rapid, and the working efficiency is greatly improved.
Furthermore, the upper support frame 3 and the lower support frame 4 are perpendicularly arranged, the upper support frame 3 is perpendicularly placed on the lower support frame 4, and stability and firmness between the upper support frame 3 and the lower support frame 4 are improved, so that the firmness of installation of the steel pipe column 1 is ensured, and smooth bridge construction is ensured.
Further, the fixing part 2 comprises a fixing buckle 21 and a puller bolt 22, the fixing buckle 21 is fixedly connected with the connecting plate 5 on the lower portion of the steel pipe column 1 through the puller bolt 22, and the fixing buckle 21 is fixedly connected with the connecting plate 5 under the action of the puller bolt 22, so that the firmness of installation of the steel pipe column 1 is further enhanced, meanwhile, punching on the connecting plate 5 can be avoided, the installation progress is accelerated, the installation process is optimized, and the work efficiency is improved.
Further, the fixing buckle 21 comprises a fixing plate 211 and a U-shaped groove 212, the fixing plate 211 is fixedly installed below the U-shaped groove 212, an opening of the U-shaped groove 212 faces the connecting plate 5, and through holes 213 matched with the tightening bolts 22 are symmetrically formed in two side groove walls of the U-shaped groove 212.
Based on the above operation, U type groove 212 snap-on is in the both sides of connecting plate 5, and two puller bolts 22 pass through-hole 213 on U type groove 212 and contradict on connecting plate 5, are convenient for fix the position of steel-pipe column 1, have strengthened the stability and the fastness of steel-pipe column 1 installation.
Furthermore, a supporting plate 6 is arranged between the bottom of the steel pipe column 1 and the upper support frame 3, the supporting plate 6 is fixedly mounted on the upper support frame 3, a sliding groove matched with the sliding block 7 on the fixing plate 211 is formed in the supporting plate 6, the sliding block 7 is connected with the sliding groove in a sliding mode, specifically, the supporting plate 6 is welded to the top of the upper support frame 3, and the sliding groove is distributed in a divergent mode with the central axis of the steel pipe column 1 as the center, so that the U-shaped groove 212 can be directly clamped on the connecting plate 5 after sliding.
Based on above-mentioned operation, slider 7 at fixed plate 211 bottom can slide along the direction of spout on fagging 6, places the completion back when the position with steel-pipe column 1, and sliding plate 211 makes it remove towards the direction of connecting plate 5 to the card has enlarged application scope in the both sides of connecting plate 5, has flexibility and practicality more.
Furthermore, the width of the top cross section of the sliding groove is smaller than that of the bottom cross section of the sliding groove, so that the stability of the sliding block 7 in the moving process is enhanced, the sliding block 7 is prevented from being separated from the sliding groove, and the smooth fixing operation of the steel pipe column 1 is ensured.
The supporting structure (hereinafter referred to as a profile steel foundation) can meet the requirements of strength, rigidity and stability of a steel pipe column supporting system. The self-weight of the profile steel foundation is smaller under the condition that the upper load and the foundation bearing capacity of the same construction part are the same, the hoisting and the transportation are convenient, the turnover use efficiency is high, and the construction progress is accelerated; the structural steel has higher foundation rigidity and stronger shear resistance; the steel pipe column support system and the steel form quantity are combined, the matched type steel foundation is manufactured, although the investment is high once, each type steel foundation can be recycled for 8-10 times according to construction organization, the residual value of the engineering finished type steel foundation is high, and the total cost is reduced compared with that of a reinforced concrete foundation.
The steel-pipe column adopts the shaped steel basis among the steel-pipe column support system, and shaped steel foundation structure top-down is: steel pipe column 1 → fagging 6 → upper layer support frame 3 (horizontal) → steel plate 8 → lower layer support frame 4 (longitudinal) → steel plate 8. The length and the width (quantity) of the I-shaped steel are determined by calculation according to the upper load and the foundation bearing capacity, so that a steel plate 8 is welded between the upper-layer support frame 3 and the lower-layer support frame 4, and a steel plate 8 which is in contact with the ground is also welded at the bottom of the lower-layer support frame 4.
The working principle of the embodiment is as follows:
firstly, the steel sheet 8 of 4 bottoms of lower floor's support frame is fixed a position through ground anchor reinforcing bar, weld upper strata support frame 3 on lower floor's support frame 4 under the effect of steel sheet 8 again, then place steel-pipe column 1 on upper strata support frame 3, reuse fixed buckle 21 and puller bolt 22 to its fixed chucking, all be provided with corresponding fixed buckle 21 on each connecting plate 5 and fix, the support system passes through on upper strata support frame 3 and lower floor's support frame 4 with superstructure's load passes through steel-pipe column 1 transmits, rethread lower floor's support frame 4 transmits ground, the shaped steel basis of confirming can provide sufficient intensity through load and ground bearing capacity check, rigidity, the requirement of support system construction safety has been satisfied.
The utility model discloses technical effect lies in, this steel pipe post bearing structure for bridge engineering, the dead weight is less, and the hoist and mount transportation is convenient, has enough to meet the need the availability factor height for the construction progress has satisfied steel pipe post support system intensity, rigidity, stability requirement, and this bearing structure shear capacity is stronger simultaneously, and the residual value is higher after the engineering, and is with low costs, and economic benefits is high.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. The steel pipe column supporting structure for the bridge engineering comprises a steel pipe column (1) and is characterized in that the steel pipe column (1) is installed on an upper layer supporting frame (3) through a plurality of fixing parts (2), the upper layer supporting frame (3) is placed on a lower layer supporting frame (4), and the lower layer supporting frame (4) is placed on the ground.
2. The steel pipe column support structure for bridge engineering according to claim 1, wherein the upper support frame (3) and the lower support frame (4) are both composed of a plurality of i-shaped steels.
3. The steel pipe column support structure for bridge engineering according to claim 1, wherein the upper support frame (3) and the lower support frame (4) are arranged vertically.
4. The steel pipe column support structure for bridge engineering according to claim 1, wherein the fixing part (2) comprises a fixing buckle (21) and a tightening bolt (22), and the fixing buckle (21) is fixedly connected with a connecting plate (5) at the lower part of the steel pipe column (1) through the tightening bolt (22).
5. The steel pipe column supporting structure for bridge engineering according to claim 4, wherein the fixing buckle (21) comprises a fixing plate (211) and a U-shaped groove (212), the fixing plate (211) is fixedly installed below the U-shaped groove (212), an opening of the U-shaped groove (212) faces the connecting plate (5), and through holes (213) matched with the tightening bolts (22) are symmetrically formed in two side groove walls of the U-shaped groove (212).
6. The steel pipe column supporting structure for bridge engineering according to claim 5, wherein a supporting plate (6) is arranged between the bottom of the steel pipe column (1) and the upper supporting frame (3), the supporting plate (6) is fixedly installed on the upper supporting frame (3), a sliding groove matched with the sliding block (7) on the fixing plate (211) is formed in the supporting plate (6), and the sliding block (7) is in sliding connection with the sliding groove.
7. The steel pipe column support structure for bridge engineering according to claim 6, wherein a width of a top cross section of the slide groove is smaller than a width of a bottom cross section thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675476.1U CN218373338U (en) | 2022-06-30 | 2022-06-30 | Steel pipe column supporting structure for bridge engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675476.1U CN218373338U (en) | 2022-06-30 | 2022-06-30 | Steel pipe column supporting structure for bridge engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218373338U true CN218373338U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221675476.1U Active CN218373338U (en) | 2022-06-30 | 2022-06-30 | Steel pipe column supporting structure for bridge engineering |
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| Country | Link |
|---|---|
| CN (1) | CN218373338U (en) |
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2022
- 2022-06-30 CN CN202221675476.1U patent/CN218373338U/en active Active
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