CN112323758A - Deep foundation pit detection method in pipe jacking construction - Google Patents
Deep foundation pit detection method in pipe jacking construction Download PDFInfo
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- CN112323758A CN112323758A CN202011141765.9A CN202011141765A CN112323758A CN 112323758 A CN112323758 A CN 112323758A CN 202011141765 A CN202011141765 A CN 202011141765A CN 112323758 A CN112323758 A CN 112323758A
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- inclinometer
- foundation pit
- guide rod
- pipe jacking
- jacking construction
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Soil Sciences (AREA)
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Abstract
The invention belongs to the technical field of horizontal directional drilling, and particularly relates to a deep foundation pit detection method in pipe jacking construction. The invention achieves the comprehensive and effective effect of the detection method by comprehensively measuring the lateral deformation of the soil body, the soil pressure value, the ground settlement around the foundation pit and the horizontal displacement of the enclosure structure; and through the improvement slidingtype inclinometer, for set up the guide bar unit in the below position and the mode of adjustable from top to bottom, guarantee the stable effect of effectively using of slidingtype inclinometer promptly. The invention has the advantages of comprehensive detection method of the deep foundation pit, good accuracy of detection data and high reliability, and the sliding inclinometer adopted by the detection method has the advantages that the position of the guide rod is low, the sliding inclinometer is not easy to pull and tilt in the whole use process, the guide rod is not easy to touch and damage in the moving process of equipment, a proper and lowest position can be obtained in the use process of the equipment, the reduction of the whole gravity center of the equipment is ensured, and finally the sliding inclinometer can be stably and efficiently used.
Description
Technical Field
The invention belongs to the technical field of horizontal directional drilling, and particularly relates to a deep foundation pit detection method in pipe jacking construction.
Background
The horizontal directional crossing, namely a horizontal directional drilling technology, refers to an underground pipeline paving technology without excavating the ground, and the operation steps mainly comprise site selection, punching and paving, wherein the punching operation refers to the step of excavating a pore channel from a working well to a receiving well, the working well and the receiving well, namely the deep foundation pit.
For the deep foundation pit, it needs to detect the aspects of deformation, settlement, collapse and the like to ensure the effective operation of hole digging, pipe jacking and other operations, so an efficient detection method which is convenient to operate and accurate in detection is needed.
In addition, among the cable winch equipment that current slidingtype inclinometer, its equipped with, cable guide bar position is too high, consequently exists the problem that whole winch equipment turned on one's side easily after being dragged by the cable, so urgently need a cable guide bar position lower on the market, and the novel slidingtype inclinometer cable winch equipment of facilitating the use.
Patent publication number is CN203807021U, the china utility model patent that the publication date is 2014.09.03 discloses a slidingtype inclinometer cable winch device, including fixing support, measure the cable dish, signal converter, crank and drill way guide bar, measure the cable dish and establish on fixing support, be used for the winding to measure the cable, signal converter establishes the one side at measuring the cable dish, wherein signal converter's input and winding are measured the cable end-to-end connection on measuring the cable dish, signal converter's output and signal converter output line, be used for connecting the inclinometer reading record appearance, the opposite side at measuring the cable dish is established to the crank, be used for waveing measuring the cable dish, the both ends rotation of drill way guide bar is connected in the both sides of measuring the cable dish.
But the cable winch device in the utility model discloses a there is the guide bar height too high, the problem that whole equipment was emptyd easily during the pulling, and its gradient measurement operation has the step many moreover, operates numerous and complicated problem, is not suitable for the deep basal pit in the push pipe construction to detect moreover.
Disclosure of Invention
The invention aims to provide a method for detecting a deep foundation pit in pipe jacking construction, which can achieve the comprehensive and effective effect of the detection method by comprehensively measuring the lateral deformation of a soil body, the numerical value of soil pressure, the ground settlement around the foundation pit and the horizontal displacement of an enclosure structure, and can ensure the stable and effective use effect of a sliding inclinometer by improving the sliding inclinometer, namely arranging a guide rod unit at the lower position and adjusting the guide rod unit up and down. The invention has the advantages of simple and quick measurement operation of four items of lateral deformation, soil pressure value, ground settlement and horizontal displacement of the enclosure structure, accurate and reliable measurement result and strong applicability in pipe jacking construction, wherein the adopted sliding inclinometer has the advantages of proper height of the guide rod, more stable integral structure, difficult inclination, convenient adjustment in the use process and flexible and quick integral operation.
The technical scheme adopted by the invention for solving the problems is as follows: a method for detecting a deep foundation pit in pipe jacking construction includes the steps of detecting lateral deformation of a soil body through a sliding inclinometer, detecting a soil pressure value of a supporting structure side through a soil pressure gauge, detecting ground settlement around the foundation pit through a level gauge, and detecting horizontal displacement of a support structure through a total station.
The further preferred technical scheme is as follows: the utility model discloses a horizontal displacement measuring method of deep basal pit, including the directional guide slot, survey inclinometer probe, survey inclinometer and perpendicular line, the slope change between survey inclinometer and the perpendicular line can obtain the horizontal displacement of different degree of depth positions, the PVC plastic tubing that the diameter is 72mm and has directional guide slot in the slidingtype inclinometer, the inclinometer is installed in the foundation soil body of the supporting construction of deep basal pit, in the testing process, slides into pre-buried inclinometer probe the inclinometer bottom, every 50cm upward wire drawing reading from bottom to top.
The further preferred technical scheme is as follows: the distance between soil pressure gauge and the pile guard of deep basal pit is 5m, soil pressure gauge one side orientation the deep basal pit outside.
The further preferred technical scheme is as follows: the level gauge is used for setting and detecting before the construction of the fender pile.
The further preferred technical scheme is as follows: measuring an initial value by the total station before the deep foundation pit is not excavated; the measurement interval is not more than 1 day during excavation, and the monitoring period is one week; monitoring once in three days during pipe jacking construction; and measuring once in 10-20 days after the pipe jacking construction is finished.
A sliding inclinometer for a deep foundation pit detection method in pipe jacking construction comprises a U-shaped underframe, mounting columns arranged at the middle position on the U-shaped underframe, winches with two ends respectively arranged on the two mounting columns, an inclinometer probe arranged on the U-shaped underframe, guide rod units with two ends respectively arranged on the two mounting columns and positioned below the winches, inserting column units arranged on the mounting columns and used for fixing the guide rod units in the conveying process of the sliding inclinometer in a limiting fixing and elastic jacking mode, and inserting plate units arranged on the mounting columns and used for lowering and fixing the guide rod units in an upper clamping limiting mode, wherein the number of the inserting column units is two, and the inserting plate units are respectively arranged on the two mounting columns, a plurality of the insert plate units are vertically arranged on the mounting post.
The further preferred technical scheme is as follows: the guide rod unit comprises a cylindrical guide rod main body, two end face flat-bottom grooves which are arranged at two ends of the guide rod main body respectively and used for clamping and limiting the insertion plate unit, and installation round holes which are downwards arranged from the end face flat-bottom grooves and used for inserting the insertion column unit.
The further preferred technical scheme is as follows: the inserting column unit comprises a side groove arranged on the opposite inner side surface of the mounting column, a limiting inserting column arranged in the side groove and inserted into the mounting round hole, a jacking spring sleeved on the limiting inserting column and used for avoiding a raised ground in the moving process of the sliding inclinometer in a mode of jacking the guide rod main body upwards, and an elastic ring sleeved at the upper end of the limiting inserting column and used for performing elastic buffering on the guide rod main body which is loosened and rebounded; the guide rod unit further comprises a circular groove which is arranged on the end face flat bottom groove, is in concentric circle position relation with the installation circular hole and is used for clamping and butting the elastic ring and the insertion plate unit, and a second circular groove which is arranged below the end head of the guide rod main body and is used for inserting the elastic ring.
The further preferred technical scheme is as follows: the insertion plate unit comprises an insertion hole, an insertion column, an axial notch and an elastic rope, wherein the insertion hole is formed outwards from the inner side surface of the side edge groove, the vertical cross section of the insertion hole is a major arc arch, the insertion column is arranged on the insertion hole, the vertical cross section of the insertion column is a major arc arch, the axial notch is formed outwards from the end surface of the inner side of the insertion column and used for allowing the limiting insertion column to pass through when the limiting guide rod main body is clamped and limited, and the upper end and the lower end of the elastic rope are respectively arranged on the arc upper end surface and the lower plane of the insertion hole and used for separating the insertion column from the guide rod main body in a mode of stopping limiting on the.
The further preferred technical scheme is as follows: insert on the lower plane of post and be located axial notch both sides position department is equipped with respectively and is used for carrying out two inferior arc bow-shaped protruding pieces that the block is fixed on the circular slot, it is fixed to be equipped with on the medial surface of axial notch to be used for the block the trompil ring of stretch cord, be equipped with respectively on the arc up end of inserting the post and the lower plane and be used for holding by the slope and pull the side groove of stretch cord, inferior arc bow-shaped protruding piece is close to insert hole one side and be equipped with and be used for carry out spacing fixed spacing plane on the side inslot medial surface.
Drawings
Fig. 1 is a schematic structural view of a sliding inclinometer of the present invention.
Fig. 2 is a schematic view of the position structure of the plugging column unit of the present invention.
Fig. 3 is a schematic view of a half-section structure at the tip of the guide bar unit in the present invention.
Fig. 4 is a schematic view of the use of the insert plate unit of the present invention.
Fig. 5 is a schematic view of a half-section structure of an insert plate unit in the present invention.
FIG. 6 is a schematic view of the engagement structure of the minor arc-shaped protruding block on the circular groove in the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, in the method for detecting the deep foundation pit in pipe jacking construction, the lateral deformation of a soil body is detected by a sliding inclinometer, the soil pressure value of the side of a supporting structure is detected by a soil pressure gauge, the ground settlement around the foundation pit is detected by a level gauge, and the horizontal displacement of a support structure is detected by a total station.
The utility model discloses a horizontal displacement measuring method of deep basal pit, including the directional guide slot, survey inclinometer probe, survey inclinometer and perpendicular line, the slope change between survey inclinometer and the perpendicular line can obtain the horizontal displacement of different degree of depth positions, the PVC plastic tubing that the diameter is 72mm and has directional guide slot in the slidingtype inclinometer, the inclinometer is installed in the foundation soil body of the supporting construction of deep basal pit, in the testing process, slides into pre-buried inclinometer probe the inclinometer bottom, every 50cm upward wire drawing reading from bottom to top.
The distance between soil pressure gauge and the pile guard of deep basal pit is 5m, soil pressure gauge one side orientation the deep basal pit outside. The level gauge is used for setting and detecting before the construction of the fender pile. Measuring an initial value by the total station before the deep foundation pit is not excavated; the measurement interval is not more than 1 day during excavation, and the monitoring period is one week; monitoring once in three days during pipe jacking construction; and measuring once in 10-20 days after the pipe jacking construction is finished.
In this embodiment, all the parts not mentioned, such as the equipment using method related to the deep foundation pit detection method, and the limiting parameters, are performed in the manner in the prior art to ensure that the detection operation is basically effective.
A sliding inclinometer for a deep foundation pit detection method in pipe jacking construction comprises a U-shaped underframe 11, a mounting column 12 arranged at the middle position on the U-shaped underframe 11, winches 13 with two ends respectively arranged on the two mounting columns 12, an inclinometer probe 14 arranged on the U-shaped underframe 11, a guide rod unit 1 with two ends respectively arranged on the two mounting columns 12 and positioned at the lower position of the winches 13, an inserting plate unit 2 arranged on the mounting column 12 and clamped at the upper part for limiting and supporting the guide rod unit 1, and an inserting plate unit 3 arranged on the mounting column 12 and used for lowering and fixing the guide rod unit 1 in an elastic jacking mode, are respectively arranged on two mounting columns 12, and a plurality of the inserting plate units 3 are vertically arranged on the mounting columns 12.
The guide rod unit 1 comprises a cylindrical guide rod main body 101, two end face flat-bottom grooves 102 which are respectively arranged at two ends of the guide rod main body 101 and used for clamping and limiting the insertion plate unit 3, and installation round holes 103 which are downwards opened from the end face flat-bottom grooves 102 and used for inserting the insertion column unit 2.
The inserting column unit 2 comprises a side groove 201 arranged on the opposite inner side surface of the mounting column 12, a limit inserting column 202 arranged in the side groove 201 and inserted into the mounting round hole 103, a jacking spring 203 sleeved on the limit inserting column 202 and used for avoiding the raised ground in the moving process of the sliding inclinometer by jacking up the guide rod main body 101, and an elastic ring 204 sleeved on the upper end of the limit inserting column 202 and used for performing elastic buffering on the guide rod main body 101 which is loosened and rebounded; the guide rod unit 1 further includes a circular groove 104 provided on the end surface flat bottom groove 102 in concentric circular positional relationship with the mounting circular hole 103 for snap-fitting abutment of the elastic ring 204 and the insertion plate unit 3, and a second circular groove 105 provided below the tip of the guide rod main body 101 for insertion of the elastic ring 204.
The insertion plate unit 3 includes an insertion hole 301 which is opened outward from an inner side surface of the side groove 201 and has a vertical cross section of a major arc arch, an insertion post 302 which is provided on the insertion hole 301 and has a vertical cross section of a major arc arch, an axial notch 303 which is opened outward from an inner side end surface of the insertion post 302 and through which the limit insertion post 202 passes when the limit guide rod main body 101 is engaged, and an elastic cord 304 which has upper and lower ends respectively provided on an arc-shaped upper end surface and a lower plane of the insertion hole 301 and is used for separating the insertion post 302 from the guide rod main body 101 by stopping and limiting on a side surface of the axial notch 303.
The lower plane of the insertion column 302 is provided with two minor arc-shaped protruding blocks 305 which are used for being clamped and fixed on the circular groove 104 and are respectively arranged at the positions of two sides of the axial groove opening 303, the end face of the inner side of the axial groove opening 303 is provided with a hole-opening ring 306 which is used for being clamped and fixed with the elastic rope 304, the arc-shaped upper end face and the lower plane of the insertion column 302 are respectively provided with a side groove 307 which is used for accommodating the elastic rope 304 which is obliquely pulled, and one side of the minor arc-shaped protruding block 305, which is close to the insertion hole channel 301, is provided with a limiting plane 308 which is used for limiting and fixing on the inner side face of the side groove 201. In that
In this embodiment, the lower plane of the insertion column 302 having the shape of a circular arc is fitted to the inner bottom surface of the end plane flat bottom groove 102, and the arc-shaped protrusion 305 is inserted into the circular groove 104, so that the insertion plate unit 3 is not easily accidentally disengaged after being inserted into and fixed to the guide rod unit 1, and the guide rod unit 1 is manually pushed down and then bounced upward when the engagement is to be established or disengaged.
In this embodiment, the stranded wire passes through the guide rod unit 1 from the winch 13 downwards and then is connected with the inclinometer probe 14, so as to ensure that the stranded wire has a downward guiding function, and thus, compared with a higher guiding mechanism, the stranded wire is not easy to topple over under the same force.
And, guide bar unit 1 is in the slidingtype inclinometer removes the in-process, is in the highest position, has the advantage of avoiding touching the end and colliding with, and works as the position of slidingtype inclinometer is fixed the back, can select suitable lowest position downwards, guarantees that the whole focus of equipment moves down more, and equipment is difficult for being dragged by the stranded conductor and empties more.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (10)
1. A deep foundation pit detection method in pipe jacking construction is characterized by comprising the following steps: the method comprises the steps of detecting lateral deformation of a soil body through a sliding inclinometer, detecting a soil pressure value of the side of a supporting structure through a soil pressure gauge, detecting ground settlement around a foundation pit through a level gauge, and detecting horizontal displacement of an enclosure structure through a total station.
2. The method for detecting the deep foundation pit in pipe jacking construction according to claim 1, wherein the method comprises the following steps: the utility model discloses a horizontal displacement measuring method of deep basal pit, including the directional guide slot, survey inclinometer probe, survey inclinometer and perpendicular line, the slope change between survey inclinometer and the perpendicular line can obtain the horizontal displacement of different degree of depth positions, the PVC plastic tubing that the diameter is 72mm and has directional guide slot in the slidingtype inclinometer, the inclinometer is installed in the foundation soil body of the supporting construction of deep basal pit, in the testing process, slides into pre-buried inclinometer probe the inclinometer bottom, every 50cm upward wire drawing reading from bottom to top.
3. The method for detecting the deep foundation pit in pipe jacking construction according to claim 1, wherein the method comprises the following steps: the distance between soil pressure gauge and the pile guard of deep basal pit is 5m, soil pressure gauge one side orientation the deep basal pit outside.
4. The method for detecting the deep foundation pit in pipe jacking construction according to claim 1, wherein the method comprises the following steps: the level gauge is used for setting and detecting before the construction of the fender pile.
5. The method for detecting the deep foundation pit in pipe jacking construction according to claim 1, wherein the method comprises the following steps: measuring an initial value by the total station before the deep foundation pit is not excavated; the measurement interval is not more than 1 day during excavation, and the monitoring period is one week; monitoring once in three days during pipe jacking construction; and measuring once in 10-20 days after the pipe jacking construction is finished.
6. The utility model provides a slidingtype inclinometer for deep basal pit detection method in pipe jacking construction, includes U type chassis (11), sets up erection column (12) of middle part position department on U type chassis (11), both ends set up respectively in two capstan winch (13) on erection column (12), and set up inclinometer probe (14) on U type chassis (11), its characterized in that: the device is characterized by further comprising guide rod units (1) with two ends respectively arranged on the two mounting columns (12) and located below the winch (13), inserting column units (2) arranged on the mounting columns (12) and used for fixing the guide rod units (1) in the conveying process of the sliding inclinometer in a limiting fixing and elastic jacking mode, inserting plate units (3) arranged on the mounting columns (12) and used for lowering and fixing the guide rod units (1) in an upper clamping limiting mode, the number of the inserting column units (2) is two, the inserting column units are respectively arranged on the two mounting columns (12), and the inserting plate units (3) are vertically arranged on the mounting columns (12).
7. The sliding inclinometer for the deep foundation pit detection method in pipe jacking construction, according to claim 6, is characterized in that: the guide rod unit (1) comprises a cylindrical guide rod main body (101), two end face flat-bottom grooves (102) which are respectively arranged at two ends of the guide rod main body (101) and used for clamping and limiting the insertion plate unit (3), and installation round holes (103) which are downwards arranged from the end face flat-bottom grooves (102) and used for inserting the insertion column unit (2).
8. The sliding inclinometer for the deep foundation pit detection method in pipe jacking construction, according to claim 7, is characterized in that: the inserting column unit (2) comprises a side groove (201) arranged on the opposite inner side surface of the mounting column (12), a limiting inserting column (202) arranged in the side groove (201) and inserted into the mounting round hole (103), a jacking spring (203) sleeved on the limiting inserting column (202) and used for avoiding the raised ground in the moving process of the sliding inclinometer in a mode of jacking up the guide rod main body (101), and an elastic ring (204) sleeved on the upper end of the limiting inserting column (202) and used for performing elastic buffering on the guide rod main body (101) which releases resilience; the guide rod unit (1) further comprises a circular groove (104) which is arranged on the end face flat bottom groove (102), is in concentric position relation with the installation round hole (103), and is used for clamping and butting the elastic ring (204) and the insertion plate unit (3), and a second circular groove (105) which is arranged below the end head of the guide rod main body (101) and is used for inserting the elastic ring (204).
9. The sliding inclinometer for the deep foundation pit detection method in pipe jacking construction, according to claim 8, is characterized in that: the insertion plate unit (3) comprises an insertion hole (301) which is formed outwards from the inner side face of the side groove (201) and has a vertical section of a major arc arch, an insertion column (302) which is arranged on the insertion hole (301) and has a vertical section of a major arc arch, an axial notch (303) which is formed outwards from the inner side face of the insertion column (302) and is used for allowing the limiting insertion column (202) to pass through when the guiding rod main body (101) is limited in a clamping mode, and an elastic rope (304) of which the upper end and the lower end are respectively arranged on the arc-shaped upper end face and the lower plane of the insertion hole (301) and are used for separating the insertion column (302) from the guiding rod main body (101) in a blocking limiting mode on the side face of the axial notch (303).
10. The sliding inclinometer for the deep foundation pit detection method in pipe jacking construction, according to claim 9, is characterized in that: insert on the lower plane of post (302) and be located axial notch (303) both sides position department is equipped with respectively and is used for on circular slot (104) carry out two inferior arc bow-shaped protruding pieces (305) that the block is fixed, be equipped with on the medial surface of axial notch (303) and be used for the block fixed trompil ring (306) of stretch cord (304), be equipped with respectively on the arc up end of inserting post (302) and the lower plane and be used for holding by the slope pull the side groove (307) of stretch cord (304), inferior arc bow-shaped protruding piece (305) are close to insert tunnel (301) one side and be equipped with and be used for spacing fixed spacing plane (308) on side groove (201) medial surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011141765.9A CN112323758B (en) | 2020-10-22 | 2020-10-22 | Deep foundation pit detection method in pipe jacking construction |
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| CN202011141765.9A CN112323758B (en) | 2020-10-22 | 2020-10-22 | Deep foundation pit detection method in pipe jacking construction |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203807021U (en) * | 2014-04-02 | 2014-09-03 | 上海市岩土工程检测中心 | Cable winching device for sliding inclinometer |
| KR101766761B1 (en) * | 2015-12-09 | 2017-08-10 | 한국산업기술대학교산학협력단 | Smart inplace inclinometer |
| CN207248161U (en) * | 2017-09-28 | 2018-04-17 | 江苏长江建设工程质量检测有限公司 | A kind of inclinometer conducting wire Automatic-drawing device |
| CN210260620U (en) * | 2019-06-24 | 2020-04-07 | 漯河市红黄蓝电子科技有限公司 | Weighing type automatic quantitative pay-off device |
| CN111637867A (en) * | 2020-06-30 | 2020-09-08 | 元准智能科技(苏州)有限公司 | Cable-free sliding type automatic inclination measuring system and measuring method thereof |
-
2020
- 2020-10-22 CN CN202011141765.9A patent/CN112323758B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203807021U (en) * | 2014-04-02 | 2014-09-03 | 上海市岩土工程检测中心 | Cable winching device for sliding inclinometer |
| KR101766761B1 (en) * | 2015-12-09 | 2017-08-10 | 한국산업기술대학교산학협력단 | Smart inplace inclinometer |
| CN207248161U (en) * | 2017-09-28 | 2018-04-17 | 江苏长江建设工程质量检测有限公司 | A kind of inclinometer conducting wire Automatic-drawing device |
| CN210260620U (en) * | 2019-06-24 | 2020-04-07 | 漯河市红黄蓝电子科技有限公司 | Weighing type automatic quantitative pay-off device |
| CN111637867A (en) * | 2020-06-30 | 2020-09-08 | 元准智能科技(苏州)有限公司 | Cable-free sliding type automatic inclination measuring system and measuring method thereof |
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| Title |
|---|
| 韩玉民等: "《土木工程测量》", 31 August 2014, 武汉大学出版社 * |
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