CN211596854U - Pipe jacking working well horizontal deformation measurement system - Google Patents
Pipe jacking working well horizontal deformation measurement system Download PDFInfo
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- CN211596854U CN211596854U CN201922075160.3U CN201922075160U CN211596854U CN 211596854 U CN211596854 U CN 211596854U CN 201922075160 U CN201922075160 U CN 201922075160U CN 211596854 U CN211596854 U CN 211596854U
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- working well
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- supporting structure
- fixing
- pipe jacking
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Abstract
The utility model provides a push pipe working well horizontal deformation measurement system, through selecting for use convergence appearance as measuring instrument, squeeze into supporting construction as the measurement station with the inflation screw after supporting construction drilling through strikeing the electric hammer, utilize the theory of operation of convergence appearance mechanical transmission displacement to measure the horizontal deformation of working well, and carry out contrastive analysis with measured value and standard requirement, judge supporting construction's atress situation, ensure push pipe working well at the working well construction, the safety in the push pipe work progress, it is easy to be blockked up by drilling bored concrete pile supporting construction push pipe working well pile body displacement measurement station, destroy and lead to the coarse problem of measured data, the method that push pipe working well measured has been perfected, can be in time accurate the compensated measured data after other measurement stations are destroyed, guarantee construction safety.
Description
Technical Field
The utility model relates to a non-excavation engineering technical field especially relates to a push pipe working well horizontal deformation measurement system.
Background
The pipe-jacking working well is an important part in pipe-jacking construction, the pipe-jacking working well generally adopting a cast-in-situ bored pile supporting structure has a large inner diameter and a deep burial depth, and the safety of the structure is an important link of construction management and control, so that the safety of the pipe-jacking working well must be ensured by a necessary monitoring method. The existing monitoring method is to pre-embed an inclinometer in a bored pile and monitor the horizontal displacement of a pile body by adopting an inclinometer, but in the construction process of a large-embedding-depth pipe-jacking working well, the pre-embedded inclinometer has certain probability of being damaged in the construction processes of concrete pouring, pile breaking and pile top structures, and the position of a hole door needs to be broken in pipe-jacking construction, so that the bottom of the inclinometer in the bored pile can be damaged, and normal measurement cannot be carried out. Therefore, the search for a convenient and fast horizontal deformation measuring method for the pipe-jacking working well with a measuring point not easy to damage is a requirement for ensuring the safe construction of the pipe-jacking working well.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a push pipe working well horizontal deformation measurement system aims at judging supporting construction's atress situation, ensures the safety of push pipe working well in working well construction, push pipe work progress.
The embodiment of the utility model provides a pipe-jacking working well horizontal deformation measuring system, which comprises a convergence instrument and a plurality of pairs of fixing pieces;
every pair of the fixing pieces are fixed on two opposite side walls of a supporting structure in the pipe jacking working well, the fixing pieces are located at the same height in pairs, each fixing piece is provided with a matching portion matched with the corresponding hook of the convergence instrument, the hooks of the convergence instrument are matched with the matching portions to enable the convergence instrument to be detachably connected with the fixing pieces, and the two hooks of the convergence instrument are connected with every pair of the fixing pieces to measure the deformation degree of the pipe jacking working well.
Further, according to the monitoring experience of the pipe jacking working well, at least one pair of fixing pieces is arranged at the position where the supporting structure is most prone to deformation.
Further, be equipped with a plurality of ring roof beams from top to bottom in the supporting construction and support, the supporting construction upper end is equipped with at least a pair of the mounting, the mounting is located the top of the top the ring roof beam supports, every adjacent two be equipped with at least a pair of between the ring roof beam supports the mounting.
Furthermore, two pairs of fixing pieces are arranged between the upper end of the supporting structure and each two adjacent ring beam supports, the connecting line directions of the two pairs of fixing pieces are perpendicular, and the connecting line direction of one pair of fixing pieces is parallel to the axial direction of the jacking pipe.
Furthermore, the lower end of the supporting structure is provided with a hole through which a jacking pipe passes, the lower end of the supporting structure is provided with at least one pair of fixing pieces, and the fixing pieces are positioned between the ring beam support at the lowest part and the hole.
Furthermore, the lower end of the supporting structure is provided with two pairs of fixing pieces, the connecting line directions of the two pairs of fixing pieces are perpendicular, and the connecting line direction of one pair of fixing pieces is parallel to the axial direction of the jacking pipe.
Furthermore, the supporting structure is provided with a monitoring hole at a position opposite to the fixing piece, and the fixing piece is an expansion screw and is fixed in the monitoring hole.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the convergence instrument is selected as a measuring instrument, the supporting structure is provided with the fixing piece, the horizontal deformation of the pipe-jacking working well is measured by utilizing the working principle that the convergence instrument mechanically transmits displacement, the measured value is compared and analyzed with the standard requirement, the stress condition of the supporting structure is judged, the safety of the pipe-jacking working well in the pipe-jacking working well construction and pipe-jacking process is ensured, the problem that a displacement measuring point of a pile body of the pipe-jacking working well is easily blocked and damaged to cause inaccuracy of measured data is solved, the method for measuring the pipe-jacking working well is perfected, the measured data can be timely and accurately compensated after other measuring points are damaged, and the construction safety is ensured.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a pipe-jacking working well horizontal deformation measurement system provided by the present invention;
FIG. 2 is a schematic top view of the pipe jacking working well horizontal deformation measuring system in FIG. 1.
In the figure: 1-supporting structure, 2-ring beam support, 3-hook, 4-fixing piece, 5-convergence instrument and 6-jacking pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a pipe jacking working well horizontal deformation measuring system, which includes a convergence instrument 5 and a plurality of pairs of fixing members 4.
Each pair of fixing pieces 4 are fixed on two opposite side walls of the supporting structure 1 in the pipe jacking working well, the two paired fixing pieces 4 are positioned at the same height, and the fixing pieces 4 are provided with matching parts matched with the hooks 3 of the convergence instrument 5. The hooks 3 of the convergence instrument 5 are matched with the matching parts so that the convergence instrument 5 is detachably connected with the fixing parts 4, and the two hooks 3 of the convergence instrument 5 are connected with each pair of fixing parts 4 to measure the deformation degree of the pipe jacking working well. In this embodiment, a monitoring hole is disposed at a position of the supporting structure 1 opposite to the fixing element 4, the fixing element 4 is an expansion screw fixed in the monitoring hole, and a hook head of the expansion screw forms the matching portion.
According to the monitoring experience of the pipe-jacking working well, at least one pair of fixing pieces 4 is arranged at the position where the supporting structure 1 is most prone to deformation, so that more accurate deformation conditions can be obtained. In this embodiment, a plurality of ring beam supports 2 are arranged in the supporting structure 1 from top to bottom, at least one pair of fixing members 4 is arranged at the upper end of the supporting structure 1, the fixing members 4 are located above the ring beam supports 2 at the top, at least one pair of fixing members 4 is arranged between every two adjacent ring beam supports 2, according to the monitoring experience of the pipe jacking working well, the supporting structure 1 is not easy to deform at the position where the ring beam supports 2 are arranged, and is easy to deform at the position where the ring beam supports 2 are not arranged, so that the fixing members 4 are arranged above the ring beam supports 2 and between the adjacent ring beam supports 2, and the deformation condition of the pipe jacking working well can be monitored. Furthermore, two pairs of fixing pieces 4 are arranged between the upper end of the supporting structure 1 and each two adjacent ring beam supports 2, the connecting line directions of the two pairs of fixing pieces 4 are perpendicular to each other, the connecting line direction of one pair of fixing pieces 4 is axially parallel to the jacking pipe 6, and the convergence deformation condition of the jacking pipe working well in the two directions can be monitored. In the excavation process of the pipe-jacking working well, monitoring holes are formed in the supporting structure 1 layer by layer, the monitoring holes are located between two adjacent ring beam supports 2, expansion screws are fixed in the monitoring holes, and the horizontal deformation condition of the pipe-jacking working well in the excavation process of the pipe-jacking working well can be monitored.
The lower end of the supporting structure 1 is provided with a hole for a jacking pipe 6 to pass through, the lower end of the supporting structure 1 is provided with at least one pair of fixing pieces 4, and the fixing pieces 4 are located between the ring beam support 2 at the lowest part and the hole. Furthermore, the lower end of the supporting structure 1 is provided with two pairs of fixing pieces 4, the connecting line directions of the two pairs of fixing pieces 4 are perpendicular, and the connecting line direction of one pair of fixing pieces 4 is axially parallel to the top pipe 6. After the excavation of the pipe-jacking working well is completed, a hole needs to be excavated on the supporting structure 1 so that a pipe jacking 6 can be jacked into the ground from the hole, and a fixing part 4 is arranged between the ring beam support 2 at the lowest part and the hole and can monitor the horizontal deformation condition of the pipe-jacking working well in the jacking process of the pipe jacking 6.
Specifically, in the process of excavating a pipe-jacking working well, a plurality of pairs of fixing pieces 4 are arranged on the opposite side walls of a supporting structure 1 layer by layer, the two fixing pieces 4 in the pair are positioned at the same height, and the fixing pieces 4 are provided with matching parts matched with hooks 3 of a convergence instrument 5; in the excavation process of the pipe-jacking working well, an impact electric hammer is utilized to drill a plurality of monitoring holes in the supporting structure 1, the fixing piece 4 is installed in each monitoring hole, the monitoring holes are located between two adjacent ring beam supports 2, after the excavation of the pipe-jacking working well is completed, the impact electric hammer is utilized to drill a plurality of monitoring holes in the supporting structure 1, the monitoring holes are located at the lowest part between the ring beam supports 2 and the holes, the fixing piece 4 is an expansion screw, and the expansion screw is hammered into the monitoring holes by utilizing an iron hammer.
With two hooks 3 of a convergence gauge 5 cooperating with said cooperating parts to connect pairsThe two fixing pieces 4 are used for adjusting the nut of the convergence instrument 5 to change the length of the body of the convergence instrument 5 so as to generate constant tension to the steel ruler; before and after the deformation of the pipe-jacking working well, measuring the distance between the two paired fixing pieces 4 by using the convergence instrument 5 respectively to obtain the relative displacement between the two paired fixing pieces 4; specifically, when A, B points are displaced relative to each other over time, the difference between the readings taken at different times is the relative displacement between A, B points, exemplary, D0For the first digital display of readings, L0For the first reading of the length of the steel rule, DnFor the nth number of readings, LnFor the nth reading of the length of the steel ruler, the relative displacement between two measuring points of A, B is S ═ D0+L0)-(Dn+Ln). For the measurement in the excavation process of the pipe-jacking working well, monitoring points are arranged in real time from top to bottom according to the excavation progress of the pipe-jacking working well supported by the cast-in-situ bored piles, and the measurement frequency is increased during each excavation.
And if the relative displacement is smaller than or equal to the standard deformation value, judging that the structure of the pipe jacking working well is stable, and if the relative displacement is larger than the standard deformation value, judging that the structure of the pipe jacking working well is deformed greatly. And determining an early warning value according to a monitoring specification, and timely notifying a constructor to take a countermeasure when the relative displacement exceeds the early warning value. Specifically, an early warning value is determined according to a monitoring specification, when the relative displacement is larger than a preset value, the preset value is smaller than the early warning value, the monitoring frequency is improved, and the construction party is timely notified when the relative displacement exceeds the early warning value.
The embodiment of the utility model provides a measurement system, through selecting for use convergence appearance 5 as the measuring instrument, be equipped with mounting 4 on supporting construction 1, utilize the theory of operation of 5 mechanical transmission displacements of convergence appearance to measure the horizontal deflection of push pipe working well, and carry out contrastive analysis with the standard requirement with the measured value, judge supporting construction 1's atress situation, ensure that push pipe working well is under push pipe working well construction, the safety of push pipe 6 jacking in-process, it is easy to be blockked up to have solved push pipe working well pile body displacement measurement station, destroy and lead to the inaccurate problem of measured data, the method that push pipe working well was measured has been perfected, can be in time accurate the measured data of compensateing after other measurement stations are destroyed, guarantee construction safety. Compared with the prior art, the method is simpler and more convenient, can be completed by one person, saves working hours, and has simple post-processing data, accurate result, economy and reliability; the arranged monitoring points are simple in arrangement and not easy to damage, and can be conveniently rearranged even if damaged; the device is suitable for the pipe-jacking working well of the cast-in-situ bored pile supporting structure 1 in any shape (round, rectangular and rectangle-like).
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A pipe-jacking working well horizontal deformation measuring system is characterized by comprising a convergence instrument and a plurality of pairs of fixing pieces;
every pair of the fixing pieces are fixed on two opposite side walls of a supporting structure in the pipe jacking working well, the fixing pieces are located at the same height in pairs, each fixing piece is provided with a matching portion matched with the corresponding hook of the convergence instrument, the hooks of the convergence instrument are matched with the matching portions to enable the convergence instrument to be detachably connected with the fixing pieces, and the two hooks of the convergence instrument are connected with every pair of the fixing pieces to measure the deformation degree of the pipe jacking working well.
2. The pipe jacking working well horizontal deformation measuring system of claim 1, wherein at least one pair of said fixing members is provided at a position where said supporting structure is most likely to be deformed, based on monitoring experience of the pipe jacking working well.
3. The pipe jacking working well horizontal deformation measuring system of claim 2, wherein a plurality of ring beam supports are arranged in the supporting structure from top to bottom, at least one pair of said fixing members are arranged at the upper end of the supporting structure, the fixing members are arranged above the uppermost ring beam support, and at least one pair of said fixing members are arranged between every two adjacent ring beam supports.
4. The pipe jacking working well horizontal deformation measuring system of claim 3, wherein two pairs of said fixing members are provided between the upper end of the supporting structure and each adjacent two of said ring beam supports, the connecting line direction of the two pairs of said fixing members is perpendicular, and the connecting line direction of one pair of said fixing members is parallel to the pipe jacking axial direction.
5. The pipe jacking working well horizontal deformation measuring system of claim 3, wherein the lower end of the supporting structure is provided with a hole for a jacking pipe to pass through, and the lower end of the supporting structure is provided with at least one pair of the fixing members, and the fixing members are positioned between the ring beam support at the lowest position and the hole.
6. The pipe jacking working well horizontal deformation measuring system of claim 5, wherein the lower end of the supporting structure is provided with two pairs of the fixing pieces, the connecting line direction of the two pairs of the fixing pieces is vertical, and the connecting line direction of one pair of the fixing pieces is parallel to the axial direction of the pipe jacking.
7. The pipe jacking working well horizontal deformation measuring system of any one of claims 1 to 6, wherein a monitoring hole is formed in a position of the supporting structure opposite to the fixing member, and the fixing member is an expansion screw fixed in the monitoring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075160.3U CN211596854U (en) | 2019-11-26 | 2019-11-26 | Pipe jacking working well horizontal deformation measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075160.3U CN211596854U (en) | 2019-11-26 | 2019-11-26 | Pipe jacking working well horizontal deformation measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN211596854U true CN211596854U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922075160.3U Expired - Fee Related CN211596854U (en) | 2019-11-26 | 2019-11-26 | Pipe jacking working well horizontal deformation measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608468A (en) * | 2022-03-25 | 2022-06-10 | 长安大学 | Road surface deformation monitoring device and monitoring method during pipe jacking crossing |
-
2019
- 2019-11-26 CN CN201922075160.3U patent/CN211596854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608468A (en) * | 2022-03-25 | 2022-06-10 | 长安大学 | Road surface deformation monitoring device and monitoring method during pipe jacking crossing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |