CN219841977U - Observation pier for steel beam pushing measurement - Google Patents
Observation pier for steel beam pushing measurement Download PDFInfo
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- CN219841977U CN219841977U CN202321231205.1U CN202321231205U CN219841977U CN 219841977 U CN219841977 U CN 219841977U CN 202321231205 U CN202321231205 U CN 202321231205U CN 219841977 U CN219841977 U CN 219841977U
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- connecting pipe
- steel beam
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- pier
- observation pier
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000005259 measurement Methods 0.000 title claims abstract description 43
- 239000004567 concrete Substances 0.000 claims description 59
- 239000011150 reinforced concrete Substances 0.000 claims description 18
- 238000012937 correction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides an observation pier for steel beam pushing measurement, which relates to the technical field of engineering measurement. In the utility model, the observation pier has good stability, is not easily influenced by the external severe environment, is beneficial to the correction measurement of the pushing of the steel beam, and the first connecting pipe and the second connecting pipe are one large and one small, so that the large-diameter connecting pipe is avoided being used completely, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of engineering measurement, in particular to an observation pier for steel beam pushing measurement.
Background
In the bridge construction process, in order to realize the correction measurement before and after the pushing of the steel beam, an observation pier is usually fixedly arranged on a tie beam where the steel beam is positioned, and when the correction measurement is carried out, a measuring instrument is arranged on the pier top of the observation pier, so that the correction measurement work can be assisted.
At present, a plurality of erection steel bars are generally arranged in a pier body, but the erection steel bars are easy to deform, the overall stability of the observation pier is improved little, the observation pier is easily influenced by external severe environment, and the correction measurement of the pushing of the steel beam is not facilitated.
Disclosure of Invention
The utility model aims to solve the problems that the stability of the current observation piers is poor and the correction measurement of the pushing of the steel beam is not facilitated.
In order to solve the problems, the utility model provides an observation pier for steel beam pushing measurement, which comprises a concrete pier body, and a first connecting pipe and a second connecting pipe which are embedded in the concrete pier body, wherein the outer diameter of the first connecting pipe is larger than that of the second connecting pipe, the lower end of the first connecting pipe is exposed out of the lower end face of the concrete pier body, the second connecting pipe and the first connecting pipe are coaxially arranged, the lower end of the second connecting pipe is connected to the upper end of the first connecting pipe, and the upper end of the second connecting pipe is exposed out of the upper end face of the concrete pier body.
Optionally, the lower end of the second connecting pipe is inserted into the first connecting pipe.
Optionally, the device further comprises a connecting steel bar, wherein the two ends of the connecting steel bar are respectively welded with the lower end of the second connecting pipe and the upper end of the first connecting pipe, so that the second connecting pipe is fixedly connected with the first connecting pipe.
Optionally, the inner wall of the first connecting tube is provided with shear nails.
Optionally, the connecting plate is further included, the connecting plate is connected to the lower end of the first connecting pipe, and the connecting plate is used for connecting embedded bars of the tie beam.
Optionally, the device further comprises a forced centering disc, wherein the forced centering disc is arranged at the upper end of the second connecting pipe.
Optionally, the height of the concrete pier body is greater than or equal to 8m.
Optionally, the concrete pier body includes a plurality of plain concrete layers and a plurality of reinforced concrete layer, and a plurality of plain concrete layers with a plurality of reinforced concrete layer is the alternating range upon range of setting along the upper and lower direction.
Optionally, the plain concrete layer is made of C35 concrete; and/or the reinforced concrete layer is made of C35 reinforced concrete.
Optionally, the observation pier further comprises a guard rail, and the guard rail is arranged on the periphery side of the concrete pier body.
Compared with the prior art, the observation pier for steel beam pushing measurement has the following technical effects:
according to the technical scheme, the lower end of the first connecting pipe is exposed to the lower end face of the concrete pier body to serve as a connecting point connected with the tie beam, meanwhile, the upper end of the second connecting pipe is exposed to the upper end face of the concrete pier body to serve as a mounting point for mounting a measuring instrument, in addition, the first connecting pipe and the second connecting pipe are both embedded in the concrete pier body to be fastened in the concrete pier body, the lower end of the second connecting pipe is connected to the upper end of the first connecting pipe, the outer diameter of the first connecting pipe is larger than that of the second connecting pipe, and the second connecting pipe and the first connecting pipe are coaxially arranged, so that the whole stability of the first connecting pipe and the second connecting pipe fastened in the concrete pier body is good. Therefore, the observation pier is good in stability, is not easily affected by the external severe environment, is favorable for correction measurement of pushing of the steel beam, and is large and small in size, so that the large-diameter connecting pipe is prevented from being used completely, and cost is saved.
Drawings
FIG. 1 is a front view of an observation pier for steel beam pushing measurement in an embodiment of the present utility model;
FIG. 2 is a partial block diagram of the observation pier for steel beam pushing measurement of FIG. 1;
FIG. 3 is a schematic view of a first connection tube of the observation pier for steel beam pushing measurement in FIG. 1;
FIG. 4 is a side view of the observation pier of FIG. 1 for steel beam pushing measurements;
fig. 5 is a top view of the observation pier for steel beam pushing measurement of fig. 1.
Reference numerals illustrate:
1-concrete pier body, 11-plain concrete layer, 12-reinforced concrete layer, 2-first connecting pipe, 21-shear pin, 3-second connecting pipe, 4-connecting plate, 5-tie beam, 51-pre-buried steel bar, 6-forced centering plate and 7-rail guard.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be understood that, if there are terms "upper", "lower", "front", "rear", "left", "right", the indicated orientation or positional relationship is based on that shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Further, in the description of the present utility model, the X-axis in the drawings represents the horizontal direction and is designated as the left-right position, and the forward direction of the X-axis represents the left direction, and correspondingly, the reverse direction of the X-axis represents the right direction; the Y-axis in the drawing also represents the horizontal direction and is designated as the front-to-rear position, and the forward direction of the Y-axis represents the front, and correspondingly the reverse direction of the Y-axis represents the rear; the vertical direction, i.e., up and down, is shown in the drawings with the forward direction of the Z axis representing the up and down direction and the reverse direction of the Z axis representing the down direction, and accordingly, it should be noted that the foregoing X, Y and Z axes are shown for convenience of description and simplicity of description only and are not indicative or implying that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.
The utility model provides an observation pier for steel beam pushing measurement, and fig. 1 to 5 are embodiments of the observation pier for steel beam pushing measurement.
Referring to fig. 1 and 2, an observation pier for steel beam pushing measurement comprises a concrete pier body 1, and a first connecting pipe 2 and a second connecting pipe 3 embedded in the concrete pier body 1, wherein the outer diameter of the first connecting pipe 2 is larger than that of the second connecting pipe 3, the lower end of the first connecting pipe 2 is exposed to the lower end face of the concrete pier body 1, the second connecting pipe 3 and the first connecting pipe 2 are coaxially arranged, the lower end of the second connecting pipe 3 is connected to the upper end of the first connecting pipe 2, and the upper end of the second connecting pipe is exposed to the upper end face of the concrete pier body 1.
Specifically, in the present embodiment, the first connection pipe 2 is a steel pipe having a length of 6m and a diameter of 800mm, and the second connection pipe 3 is a steel pipe having a length of 2m and a diameter of 300 mm. Also, it is understood that "the second connection pipe 3 is coaxially disposed with the first connection pipe 2" means that the axis of the second connection pipe 3 is collinear with the axis of the first connection pipe 2.
According to the technical scheme, the lower end of the first connecting pipe 2 is exposed to the lower end face of the concrete pier body 1 to serve as a connecting point connected with the tie beam 5, and meanwhile, the upper end of the second connecting pipe 3 is exposed to the upper end face of the concrete pier body 1 to serve as a mounting point for mounting a measuring instrument, in addition, the first connecting pipe 2 and the second connecting pipe 3 are both embedded in the concrete pier body 1, so that the first connecting pipe 2 and the second connecting pipe 3 are fastened in the concrete pier body 1, and the lower end of the second connecting pipe 3 is connected to the upper end of the first connecting pipe 2, the outer diameter of the first connecting pipe 2 is larger than the outer diameter of the second connecting pipe 3, and the second connecting pipe 3 and the first connecting pipe 2 are coaxially arranged, so that the first connecting pipe 2 and the second connecting pipe 3 fastened in the concrete pier body 1 are good in overall stability. So, survey mound steadiness is good, is difficult for receiving external adverse circumstances to influence, does benefit to the measurement of rectifying of girder steel top pushing, moreover, first connecting pipe 2 and 3 one big one little of second connecting pipe avoid all to use big footpath connecting pipe, do benefit to the cost-effective.
Further, the lower end of the second connection pipe 3 is inserted into the first connection pipe 2.
Specifically, in the present embodiment, the insertion depth of the lower end of the second connection pipe 3 into the first connection pipe 2 is 0.3m.
In this way, the lower end of the second connecting pipe 3 is inserted into the first connecting pipe 2, so that the second connecting pipe 3 and the first connecting pipe 2 have a certain overlapping portion, and after the second connecting pipe 3 and the first connecting pipe 2 are connected with each other, the connection of the second connecting pipe 3 and the first connecting pipe 2 can be firmer, thereby being beneficial to improving the stability of the observation pier.
Furthermore, the observation pier for the steel beam pushing measurement further comprises a connecting steel bar, wherein the two ends of the connecting steel bar are respectively welded with the lower end of the second connecting pipe 3 and the upper end of the first connecting pipe 2, so that the second connecting pipe 3 is fixedly connected with the first connecting pipe 2.
In this way, the second connecting pipe 3 and the first connecting pipe 2 are connected and fixed through the connecting steel bars, and the structure is simple and the operation is easy.
Preferably, referring to fig. 3, the inner wall of the first connecting tube 2 is provided with shear pins 21.
The number of the shear pins 21 may be one or plural (two or more), and when the number of the shear pins 21 is plural, the plurality of shear pins 21 are arranged at intervals in the up-down direction.
In this way, the shear nails 21 are arranged on the inner wall of the first connecting pipe 2, so that the concrete layer in the first connecting pipe 2 is better combined with the first connecting pipe 2, the concrete layer and the first connecting pipe 2 participate in stress together, and the stability of the observation pier is improved.
With continued reference to fig. 1, 2 and 4, the observation pier for steel beam pushing measurement further includes a connecting plate 4, the connecting plate 4 is connected to the lower end of the first connecting pipe 2, and the connecting plate 4 is used for connecting the embedded bars 51 of the tie beam 5.
Specifically, in this embodiment, the connection board 4 is a steel plate, and the area of the upper end face or the lower end face of the connection board 4 is equal to the cross-sectional area of the concrete pier body 1, and the end face of the connection board 4 is large enough, so that the connection board 4 is connected with the embedded steel bars 51, and the connection between the connection board 4 and the embedded steel bars 51 is relatively firm.
In this way, the connecting plate 4 is connected to the lower end of the first connecting pipe 2, and the connecting plate 4 is used for connecting the embedded bars 51 of the tie beam 5, that is, the first connecting pipe 2 and the second connecting pipe 3 are indirectly connected to the embedded bars 51 of the tie beam 5 through the connecting plate 4, so that the installation firmness of the observation pier on the tie beam 5 is improved, and the stability of the observation pier is further improved.
With continued reference to fig. 1, 2 and 4, the observation pier for steel beam pushing measurement further includes a forced centering disc 6, wherein the forced centering disc 6 is disposed at the upper end of the second connecting pipe 3.
The forced centering disc 6, also called forced centering base, is often used in mapping projects such as mapping monitoring, as a fixed permanent, temporary measurement marker.
Therefore, the forced centering disc 6 is arranged at the upper end of the second connecting pipe 3, so that the forced centering of the measuring instrument is facilitated, and the correction measurement effect of the pushing of the steel beam is improved.
Further, the height of the concrete pier body 1 is 8m or more.
In this way, the height of the concrete pier body 1 is more than or equal to 8m, so that the measuring instrument is higher than the tie beam by more than 58m, thereby being beneficial to weakening the influence of deflection and pre-camber of the bridge deck on the steel beam pushing deviation correcting measurement and ensuring the continuous pushing steel beam deviation correcting measurement of 1.7km before and after.
Preferably, referring to fig. 1, 2 and 4, the concrete pier body 1 includes a plurality of plain concrete layers 11 and a plurality of reinforced concrete layers 12, and the plain concrete layers 11 and the reinforced concrete layers 12 are alternately stacked in the up-down direction.
Specifically, in the present embodiment, the concrete pier body 1 includes three plain concrete layers 11 and three reinforced concrete layers 12, and the plain concrete layers 11 and the reinforced concrete layers 12 are alternately laminated.
In this way, the concrete pier body 1 is arranged in the mode that the plain concrete layers 11 and the reinforced concrete layers 12 are alternately laminated, so that the rigidity and the crack resistance of the concrete pier body 1 are improved, and the stability of the observation pier is improved.
Further, the plain concrete layer 11 is made of C35 concrete; and/or the reinforced concrete layer 12 is made of C35 reinforced concrete.
Thus, the plain concrete layer 11 is made of C35 concrete, and the reinforced concrete layer 12 is made of C35 reinforced concrete, which is beneficial to improving the strength of the concrete layer.
Further, referring to fig. 1 and 5, the observation pier further includes a guard rail 7, and the guard rail 7 is disposed at a circumferential side of the concrete pier body 1.
By providing the guard rail 7 on the circumferential side of the concrete pier 1 in this way, the measurement operator can be protected well, and the safety of the measurement operation can be ensured.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected," "provided," "disposed," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, the meaning of the term "and/or" includes three parallel schemes, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme that is satisfied by a and B simultaneously.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. As such, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Furthermore, in the description of the present utility model, the term "embodiment" or "an embodiment" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the present utility model. In the present utility model, the schematic representation of the above terms does not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. An observation pier for steel beam pushing measurement is characterized by comprising a concrete pier body (1) and a first connecting pipe (2) and a second connecting pipe (3) which are embedded in the concrete pier body (1), wherein the outer diameter of the first connecting pipe (2) is larger than that of the second connecting pipe (3), the lower end of the first connecting pipe (2) is exposed to the lower end face of the concrete pier body (1), the second connecting pipe (3) and the first connecting pipe (2) are coaxially arranged, the lower end of the second connecting pipe (3) is connected to the upper end of the first connecting pipe (2), and the upper end of the second connecting pipe is exposed to the upper end face of the concrete pier body (1).
2. Observation pier for steel beam pushing measurement according to claim 1, characterized in that the lower end of the second connecting tube (3) is inserted in the first connecting tube (2).
3. Observation pier for steel beam pushing measurement according to claim 1, further comprising a connecting bar, both ends of which are welded with the lower end of the second connecting pipe (3) and the upper end of the first connecting pipe (2) respectively, so that the second connecting pipe (3) is fixedly connected with the first connecting pipe (2).
4. Observation pier for steel beam pushing measurement according to claim 1, characterized in that the inner wall of the first connecting tube (2) is provided with shear nails (21).
5. Observation pier for steel beam pushing measurement according to claim 1, characterized in that it further comprises a connection plate (4), said connection plate (4) being connected to the lower end of said first connection tube (2), said connection plate (4) being adapted to connect pre-embedded bars (51) of tie beams (5).
6. Observation pier for steel beam pushing measurement according to claim 1, characterized in that it further comprises a forced centering disc (6), said forced centering disc (6) being provided at the upper end of said second connection tube (3).
7. Observation pier for steel beam pushing measurement according to claim 1, characterized in that the height of the concrete pier body (1) is greater than or equal to 8m.
8. Observation pier for steel beam pushing measurement according to claim 1, characterized in that the concrete pier body (1) comprises a plurality of plain concrete layers (11) and a plurality of reinforced concrete layers (12), and a plurality of plain concrete layers (11) and a plurality of reinforced concrete layers (12) are alternately stacked in the up-down direction.
9. Observation pier for steel beam pushing measurement according to claim 8, characterized in that the plain concrete layer (11) is of C35 concrete; and/or the reinforced concrete layer (12) is made of C35 reinforced concrete.
10. Observation pier for steel beam pushing measurement according to claim 1, characterized in that it further comprises a guard rail (7), which guard rail (7) is arranged on the circumferential side of the concrete pier body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321231205.1U CN219841977U (en) | 2023-05-22 | 2023-05-22 | Observation pier for steel beam pushing measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321231205.1U CN219841977U (en) | 2023-05-22 | 2023-05-22 | Observation pier for steel beam pushing measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841977U true CN219841977U (en) | 2023-10-17 |
Family
ID=88299103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321231205.1U Active CN219841977U (en) | 2023-05-22 | 2023-05-22 | Observation pier for steel beam pushing measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841977U (en) |
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2023
- 2023-05-22 CN CN202321231205.1U patent/CN219841977U/en active Active
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