CN216791171U - Buried rigid pipeline and settlement monitoring device for soil body around buried rigid pipeline - Google Patents
Buried rigid pipeline and settlement monitoring device for soil body around buried rigid pipeline Download PDFInfo
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- CN216791171U CN216791171U CN202123197677.3U CN202123197677U CN216791171U CN 216791171 U CN216791171 U CN 216791171U CN 202123197677 U CN202123197677 U CN 202123197677U CN 216791171 U CN216791171 U CN 216791171U
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Abstract
The utility model discloses a settlement monitoring device for a buried rigid pipeline and a soil body around the buried rigid pipeline, which comprises at least one group of settlement monitoring units arranged at intervals along the length direction of the rigid pipeline; the settlement monitoring unit comprises a hollow sleeve buried in the ground, and a pipeline settlement monitoring component and a soil settlement monitoring component which are arranged below the hollow sleeve; by arranging the pipeline settlement monitoring component and the soil body settlement monitoring component, settlement of the rigid pipeline and a surrounding soil body can be measured simultaneously, and the hidden danger that the rigid pipeline is broken due to the fact that the rigid pipeline is large in rigidity, deformation of the rigid pipeline often lags behind a soil layer below the rigid pipeline, and the pipeline and the soil body below the rigid pipeline are likely to be largely emptied is solved. According to the utility model, the rigid pipeline and the surrounding soil body settlement data are obtained in real time through the displacement sensor, and manual on-site measurement and reading of data are not needed, so that the occurrence of personnel safety accidents is avoided, meanwhile, the labor cost is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the field of engineering monitoring, and particularly relates to a settlement monitoring device for a buried rigid pipeline and a soil body around the buried rigid pipeline.
Background
Along with the rapid development of the construction scale and the volume of urban underground engineering, large foundation pit excavation engineering continuously emerges. Urban underground pipelines are 'blood vessels' and 'nerves' of cities, and directly influence urban safety. The dynamic updating mechanism of the urban underground pipelines is actively explored, accurate information is provided for urban pipeline planning, underground construction accidents are effectively avoided, and higher updating requirements are provided for the work of urban underground pipeline archives. The underground pipelines are settled due to various reasons (such as foundation pit excavation and the like), and in order to prevent the settlement, the underground pipelines need to be monitored in real time so as to ensure the timely implementation of engineering protection measures. At present, the pipeline settlement monitoring method mainly comprises a shallow ground nail identification method, a punctuation level method, an automatic total station method, a settlement meter method and a GPS observation method. However, the existing monitoring method has the following monitoring precision and safety problems more or less: 1) the rigid pipeline has higher rigidity, the deformation of the rigid pipeline is usually lagged behind the soil layer below the rigid pipeline, the pipeline and the soil body below the rigid pipeline are likely to be largely hollow, the hidden danger of pipeline fracture is caused, and a measuring object only stays in the pipeline and ignores the soil body around the pipeline; 2) the measuring range only stays at a certain position of the pipeline, but not a certain range on the length of the pipeline, so that a monitoring system is formed, the monitoring contingency of the pipeline is strengthened, and the condition and the trend of the void settlement between the rigid pipeline and the soil body cannot be known and mastered in time; 3) the measuring points are often required to be arranged at positions where vehicles on the road surface come and go more, and the data reading mode of the conventional device is a manual pipeline elevation measuring method avoiding traffic peak periods, so that the settlement data reading efficiency is low, the project is not facilitated to take protective measures in time, and meanwhile, the potential of great personnel safety accident potential is avoided.
Therefore, a settlement monitoring device for the buried rigid pipeline and the soil around the buried rigid pipeline, which has the advantages of timely measurement, accurate data result, economy, comprehensiveness, safety and convenience, is urgently needed.
Disclosure of Invention
The utility model aims to solve the problems that the existing rigid pipeline measuring technology is incomplete in monitoring and large in contingency, hidden dangers of pipeline and soil body below are ignored, the process is greatly influenced by external factors, the result has large errors, the efficiency of manually reading data is low, and the existing rigid pipeline measuring technology is unsafe, and provides an economical and efficient sedimentation monitoring device for a buried rigid pipeline and the soil body around the buried rigid pipeline.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a settlement monitoring device for a buried rigid pipeline and soil around the buried rigid pipeline comprises at least one group of settlement monitoring units which are arranged at intervals along the length direction of the rigid pipeline; the settlement monitoring unit comprises a hollow sleeve buried in the ground, and a pipeline settlement monitoring assembly and a soil body settlement monitoring assembly which are arranged below the hollow sleeve; wherein:
the lower part of the hollow sleeve is embedded into an undisturbed soil layer; the two ends of the hollow sleeve are provided with openings, the top of the hollow sleeve is clamped with a top plate in sealing fit with the hollow sleeve, and the top of the top plate is flush with the road surface; the bottom of the hollow sleeve is clamped with a bottom plate. Furthermore, a waterproof sealing ring is arranged between the hollow sleeve and the top plate; furthermore, the inner wall coating of hollow sleeve has anticorrosive coating, because hollow sleeve buries underground, underground moisture is great, can play anticorrosive protection to hollow sleeve through anticorrosive coating.
The pipeline settlement monitoring assembly comprises a first protection pipe vertically arranged right above the rigid pipeline and a rigid pipeline detection rod vertically arranged in the first protection pipe, the outer diameter of the rigid pipeline detection rod is smaller than the inner diameter of the first protection pipe, and the bottom of the rigid pipeline detection rod is in contact with the rigid pipeline; the bottom of the first protection pipe is fixedly connected with the rigid pipeline, and the top of the first protection pipe is in sliding fit with the bottom plate; the first protection pipe is used for ensuring the vertical position of the rigid pipeline detection rod and does not influence the free displacement of the rigid pipeline detection rod in the vertical direction;
the two groups of soil body settlement monitoring assemblies are symmetrically arranged on two sides of the pipeline settlement monitoring assembly; the soil body settlement monitoring assembly comprises a second protection pipe which is vertically installed and a soil body detection rod which is vertically placed in the second protection pipe, the outer diameter of the soil body detection rod is smaller than the inner diameter of the second protection pipe, and the bottom of the soil body detection rod is in contact with the soil body; the bottom of the second protection pipe is inserted into the soil body, and the top of the second protection pipe is in sliding fit with the bottom plate; the second protection pipe is used for ensuring the vertical position of the soil body detection rod and does not influence the free displacement of the soil body detection rod in the vertical direction;
displacement sensors are fixed above the rigid pipeline detection rod and the soil body detection rod, and ejector pins of the displacement sensors are in a compressed state and are in contact with the bottom plate. Further, data transmission device is installed to hollow sleeve's inner wall, data transmission device passes through transmission electric wire and displacement sensor electric connection, data transmission device is used for receiving displacement sensor's displacement value and transmits the displacement value to receiving arrangement. Preferably, the data transmission device is a wireless transmission device or a bluetooth device, and the receiving device is an intelligent terminal such as a computer and a mobile phone. The displacement sensor feeds back the displacement of the underground pipeline to be detected and the displacement of the soil body to be detected, when the pipeline to be detected and the soil body are settled, the rigid pipeline detection rod and the soil body detection rod are settled and fed back to the displacement sensor, and the displacement sensor receives displacement data. And (3) making a corresponding mark on each measuring point, transmitting the data to a data transmission device by a displacement sensor, uploading the data to a data cloud space through the data transmission device, automatically acquiring settlement data at terminals such as a computer and a mobile phone, analyzing the pipeline and soil body void settlement range according to the settlement difference of the measuring point data, and giving a warning to a user when the settlement exceeds the limit.
Preferably, the bottom of the rigid pipeline detection rod, the bottom of the soil mass detection rod and the bottom of the rigid pipeline are positioned on the same horizontal line.
As a preferable technical scheme, a first concrete block is fixed at the bottom of the rigid pipeline detection rod, and the size of the first concrete block is smaller than the inner diameter of the first protection pipe; and a second concrete block is fixed at the bottom of the soil body detection rod, and the size of the second concrete block is smaller than the inner diameter of the second protection pipe. The first concrete block and the second concrete block can respectively increase the gravity at the bottoms of the rigid pipeline detection rod and the soil body detection rod, and when the rigid pipeline is settled, the positions of the rigid pipeline detection rod and the soil body detection rod are more sensitive to change.
As a preferable technical scheme, the number of the sedimentation monitoring units is multiple, and the distance between two adjacent groups of sedimentation monitoring units is 2-3 m.
The utility model has the following beneficial effects:
(1) according to the sedimentation monitoring device for the buried rigid pipeline and the soil around the buried rigid pipeline, provided by the utility model, the sedimentation of the rigid pipeline and the soil around the rigid pipeline can be measured simultaneously by arranging the pipeline sedimentation monitoring assembly and the soil sedimentation monitoring assembly, a measuring object not only stays in the rigid pipeline but neglects the soil around the rigid pipeline, and the hidden danger that the pipeline is broken because the deformation of the rigid pipeline is lagged behind the soil layer below due to larger rigidity of the rigid pipeline and the soil body below the rigid pipeline are possibly largely emptied is avoided.
(2) According to the settlement monitoring device for the buried rigid pipeline and the soil around the buried rigid pipeline, provided by the utility model, the settlement data of the rigid pipeline and the soil around the rigid pipeline are obtained in real time through the displacement sensor, and the data are not required to be measured and read manually on the spot, so that the occurrence of personnel safety accidents is avoided, the real-time monitoring of the road surface settlement is realized efficiently, and the timely implementation of the protection measures of pipeline settlement caused by projects such as foundation pit excavation is facilitated.
(3) According to the settlement monitoring device for the buried rigid pipeline and the soil around the buried rigid pipeline, the waterproof sealing ring is arranged between the hollow sleeve and the top plate, so that the hollow sleeve is hermetically connected with the top plate, the detection device has a good waterproof effect, pavement water can be prevented from immersing into the hollow sleeve, additional sinking of a measuring point position is prevented, and the influence of external factors is reduced; in addition, the top plate can effectively protect the measuring points, and meanwhile, the normal traffic of the road surface is not influenced.
Drawings
Fig. 1 is a longitudinal cross-sectional view of a settlement monitoring device for a buried rigid pipeline and the soil around the buried rigid pipeline provided by the present invention;
fig. 2 is a top view of a settlement monitoring device for a buried rigid pipeline and the soil around the buried rigid pipeline provided by the present invention;
reference numerals: 1-rigid pipeline, 2-settlement monitoring unit, 21-hollow sleeve, 22-top plate, 23-bottom plate, 24-pipeline settlement monitoring component, 241-first protection pipe, 242-rigid pipeline detection rod, 243-first concrete block, 25-soil settlement monitoring component, 251-second protection pipe, 252-soil detection rod, 253-second concrete block, 26-displacement sensor, 27-data transmission device, 28-transmission electric wire, 3-undisturbed soil layer and 4-road.
Detailed Description
The present invention will be further described with reference to the following examples and drawings so that those skilled in the art can better understand the present invention and can carry out the present invention, but the examples are not intended to limit the present invention.
In the present invention, "fixed", "connected", "attached", and the like mean that two members connected to each other are fixed to each other, and are generally fixed to each other by welding, screws, gluing, or the like. By "slip fit" is meant that the two components are connected together and capable of relative movement. It is to be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the appended drawings to indicate orientations and positional relationships, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting. The terms "first," "second," and the like, herein do not denote any particular quantity or order, but rather are used to distinguish one element from another.
Referring to fig. 1, a settlement monitoring device for a buried rigid pipeline and a soil body around the buried rigid pipeline comprises at least one set of settlement monitoring units 2 arranged at intervals along the length direction of the rigid pipeline; as shown in fig. 2, the number of the sedimentation monitoring units 2 is three, and the distance between two adjacent sets of sedimentation monitoring units is 2-3 m; the settlement monitoring unit 2 comprises a hollow sleeve 21 buried in the ground, and a pipeline settlement monitoring assembly 24 and a soil body settlement monitoring assembly 25 which are arranged below the hollow sleeve 21; wherein:
the lower part of the hollow sleeve 21 is embedded into the undisturbed soil layer 3; the two ends of the hollow sleeve 21 are opened, the top of the hollow sleeve 21 is clamped with a top plate 22 which is in sealing fit with the hollow sleeve, and the top of the top plate 22 is flush with the road surface of the road 4; the bottom of the hollow sleeve 21 is clamped with a bottom plate 23. Further, a waterproof sealing ring (not shown) is arranged between the hollow sleeve 21 and the top plate 22; furthermore, the inner wall of the hollow sleeve 21 is coated with an anticorrosive coating, and as the hollow sleeve is buried underground, underground moisture is large, and the hollow sleeve can be protected from corrosion through the anticorrosive coating.
The pipe settlement monitoring assembly 24 comprises a first protection pipe 241 vertically arranged right above the rigid pipeline 1 and a rigid pipeline detection rod 242 vertically arranged in the first protection pipe 241, the outer diameter of the rigid pipeline detection rod 242 is smaller than the inner diameter of the first protection pipe 241, and the bottom of the rigid pipeline detection rod 242 is in contact with the rigid pipeline 1; the bottom of the first protection tube 241 is fixedly connected with the rigid pipeline 1, and the top of the first protection tube 241 is in sliding fit with the bottom plate 23; the first protection tube 241 is used for ensuring the vertical position of the rigid line detection rod 242 without affecting the free displacement of the rigid line detection rod 242 in the vertical direction;
the soil body settlement monitoring assemblies 25 are divided into two groups, and the two groups of soil body settlement monitoring assemblies 25 are symmetrically arranged on two sides of the pipeline settlement monitoring assembly 24; the soil body settlement monitoring assembly 25 comprises a second protection pipe 251 and a soil body detection rod 252, wherein the second protection pipe 251 is vertically installed, the soil body detection rod 252 is vertically placed in the second protection pipe 251, the outer diameter of the soil body detection rod 252 is smaller than the inner diameter of the second protection pipe 251, and the bottom of the soil body detection rod 252 is in contact with the soil body; the bottom of the second protection pipe 251 is inserted into the soil body, and the top of the second protection pipe 251 is in sliding fit with the bottom plate 23; the second protection pipe 251 is used for ensuring the position of the soil mass detection rod 252 to be vertical and not influencing the free displacement of the soil mass detection rod 252 in the vertical direction;
In a preferred embodiment, the bottom of the rigid pipeline detecting rod 242, the bottom of the soil mass detecting rod 252 and the bottom of the rigid pipeline 1 are located on the same horizontal line; a first concrete block 243 is fixed at the bottom of the rigid pipeline detection rod 242, and the size of the first concrete block 243 is smaller than the inner diameter of the first protection pipe 241; a second concrete block 253 is fixed at the bottom of the soil body detection rod 252, and the size of the second concrete block 253 is smaller than the inner diameter of the second protection pipe 251. The first concrete block 243 and the second concrete block 253 can respectively increase the gravity at the bottoms of the rigid pipeline detection rod 242 and the soil mass detection rod 252, so that the position changes of the rigid pipeline detection rod 242 and the soil mass detection rod 252 are more sensitive when the rigid pipeline 1 is settled.
The method for detecting the settlement of the buried rigid pipeline by using the settlement monitoring device provided by the utility model comprises the following steps:
(1) setting a plurality of measuring point positions along the length direction of a rigid pipeline to be subjected to settlement monitoring, wherein the measuring point intervals are 50m, each measuring point is provided with less than 5 settlement monitoring units 2, and the distance between two adjacent sets of settlement monitoring units 2 is 2-3 m;
(2) at each measuring point, a drill bit with the diameter of 140mm matched with a coring drilling machine is used for drilling hard shell layers of concrete, asphalt and the like on the pavement to penetrate the hard shell layers of the pavement until reaching an underground pipeline, and clear water is injected into the hole for maintenance after the residue soil in the hole is cleaned;
(3) placing the rigid pipeline detection rod 242 sleeved with the first protection pipe 241 on the top of the rigid pipeline 1 to be detected, and placing the soil body detection rod 252 sleeved with the second protection pipe 251 on the position of the soil body around the rigid pipeline to be detected; the number of the soil body detection rods is two, and the soil body detection rods are symmetrically arranged on two sides of the rigid pipeline 1; the rigid pipeline detection rod 242 and the soil body detection rod 252 are kept vertical and are arranged in a straight line to be perpendicular to the rigid pipeline 1;
(4) the hollow sleeve 21 is arranged in the hole, and the bottom plate 23 at the bottom of the hollow sleeve 21 is provided with three holes for limiting the positions of the first protection pipe 241 and the second protection pipe 251 respectively;
(5) fixing the displacement sensor 26 on the top ends of the rigid pipeline detection rod 242 and the soil body detection rod 252 by adopting a cementing agent, wherein a thimble of the displacement sensor 26 is in contact with the upper surface of the bottom plate 23 and generates a certain initial compression amount to be used as a settlement monitoring range; fixing a data transmission device 27 on the inner wall of the hollow sleeve 21 by using a cementing agent, wherein the data transmission device 27 is electrically connected with the displacement sensor 26 through a transmission electric wire 28;
(6) installing a top plate 22 at an upper opening of the hollow sleeve 21, and spraying measuring point numbers to finish measuring point arrangement;
(7) during monitoring, each measuring point displacement sensor 26 measures a group of rigid pipeline settlement data and two groups of soil settlement data, the data are uploaded to a data cloud space through a data transmission device 27, three groups of settlement data can be automatically obtained at terminals such as a computer and a mobile phone, and the average value of the three groups of data is taken as the settlement value of the pipeline and the surrounding soil of each measuring point.
(8) By the method, at least 5 settlement monitoring units are arranged along each measuring point of the pipeline, and each settlement monitoring unit transmits data to the cloud space together to form a monitoring system, so that the condition and trend of the void settlement between the rigid pipeline and the soil body at each measuring point on the rigid pipeline can be mastered, and the early warning effect is achieved.
It should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (7)
1. The utility model provides a bury subside monitoring devices of rigid pipeline and soil body around it which characterized in that: the system comprises at least one set of sedimentation monitoring units arranged at intervals along the length direction of the rigid pipeline; the settlement monitoring unit comprises a hollow sleeve buried in the ground, and a pipeline settlement monitoring assembly and a soil body settlement monitoring assembly which are arranged below the hollow sleeve; wherein:
the lower part of the hollow sleeve is embedded into an undisturbed soil layer; the two ends of the hollow sleeve are provided with openings, the top of the hollow sleeve is clamped with a top plate in sealing fit with the hollow sleeve, and the top of the top plate is flush with the road surface; the bottom of the hollow sleeve is clamped with a bottom plate;
the pipeline settlement monitoring assembly comprises a first protection pipe vertically arranged right above the rigid pipeline and a rigid pipeline detection rod vertically arranged in the first protection pipe, the outer diameter of the rigid pipeline detection rod is smaller than the inner diameter of the first protection pipe, and the bottom of the rigid pipeline detection rod is in contact with the rigid pipeline; the bottom of the first protection pipe is fixedly connected with the rigid pipeline, and the top of the first protection pipe is in sliding fit with the bottom plate;
the two groups of soil body settlement monitoring assemblies are symmetrically arranged on two sides of the pipeline settlement monitoring assembly; the soil body settlement monitoring assembly comprises a second protection pipe which is vertically installed and a soil body detection rod which is vertically placed in the second protection pipe, the outer diameter of the soil body detection rod is smaller than the inner diameter of the second protection pipe, and the bottom of the soil body detection rod is in contact with the soil body; the bottom of the second protection pipe is inserted into the soil body, and the top of the second protection pipe is in sliding fit with the bottom plate;
displacement sensors are fixed above the rigid pipeline detection rod and the soil body detection rod, and ejector pins of the displacement sensors are in a compressed state and are in contact with the bottom plate.
2. A settlement monitoring device for a buried rigid pipeline and its surrounding soil mass as claimed in claim 1, wherein: the bottom of the rigid pipeline detection rod, the bottom of the soil body detection rod and the bottom of the rigid pipeline are positioned on the same horizontal line.
3. A settlement monitoring device for a buried rigid pipeline and its surrounding soil mass as claimed in claim 1, wherein: data transmission device is installed to hollow telescopic inner wall, data transmission device passes through transmission electric wire and displacement sensor electric connection, data transmission device is used for receiving displacement sensor's displacement value and transmits the displacement value to receiving arrangement.
4. A settlement monitoring device for a buried rigid pipeline and its surrounding soil mass as claimed in claim 3, wherein: a first concrete block is fixed at the bottom of the rigid pipeline detection rod, and the size of the first concrete block is smaller than the inner diameter of the first protection pipe; and a second concrete block is fixed at the bottom of the soil body detection rod, and the size of the second concrete block is smaller than the inner diameter of the second protection pipe.
5. A settlement monitoring device for a buried rigid pipeline and its surrounding soil mass according to any one of claims 1 to 4, wherein: the inner wall of the hollow sleeve is coated with an anticorrosive coating.
6. A settlement monitoring device for buried rigid pipelines and the soil surrounding them as claimed in claim 5, wherein: and a waterproof sealing ring is arranged between the hollow sleeve and the top plate.
7. A settlement monitoring device for a buried rigid pipeline and its surrounding soil mass as claimed in claim 1, wherein: the number of the settlement monitoring units is multiple, and the distance between two adjacent groups of settlement monitoring units is 2-3 m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197677.3U CN216791171U (en) | 2021-12-17 | 2021-12-17 | Buried rigid pipeline and settlement monitoring device for soil body around buried rigid pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197677.3U CN216791171U (en) | 2021-12-17 | 2021-12-17 | Buried rigid pipeline and settlement monitoring device for soil body around buried rigid pipeline |
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| CN216791171U true CN216791171U (en) | 2022-06-21 |
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| CN202123197677.3U Active CN216791171U (en) | 2021-12-17 | 2021-12-17 | Buried rigid pipeline and settlement monitoring device for soil body around buried rigid pipeline |
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