CN1546941A - Three dimensional collinear measuring method for drillhole inclination survey and axial deformation - Google Patents
Three dimensional collinear measuring method for drillhole inclination survey and axial deformation Download PDFInfo
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- CN1546941A CN1546941A CNA2003101115451A CN200310111545A CN1546941A CN 1546941 A CN1546941 A CN 1546941A CN A2003101115451 A CNA2003101115451 A CN A2003101115451A CN 200310111545 A CN200310111545 A CN 200310111545A CN 1546941 A CN1546941 A CN 1546941A
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Abstract
The invention discloses a kind of three-dimension co-linear measuring method for clinograph and axial deformation, which refers to the observation of three-dimension deformation. The method uses the measuring line made up of the three-dimension co-linear measuring ring and current tilt measuring pipe to measure the transverse shift and the axial deformation of the measuring hole through the clinograph and the sliding deformation device in the hole, gets the three-dimension deformation principle of the measuring hole. The measuring ring enlarges the outer radius of current sliding deformation device special measuring ring, makes the outer radius match with the special tilt measuring pipe of current clinograph, it sets a clinograph small sot along the centre line on the bottom of the measuring ring sliding slot. The merits of the invention compared with current technology are: it uses clinograph and sliding deformation device in the measuring hole to measure the three-dimension deformation detecting, realizes the three-dimension deformation device unction with low cost.
Description
Technical field:
The present invention relates to Geotechnical Engineering stability, more specifically relate to the observation of Geotechnical Engineering boring 3 D deformation.
Background technology:
Rock mass deep 3 D deformation rule is the important indicator of Geotechnical Engineering stability, in the process of engineering construction, general measurement data according to drilling hole transverse displacement and axial deformation, analyze the rule of findding out the rock mass 3 D deformation as calculated, the security of operation that reaches in the future for geotechnical engineering construction safety provides important scientific basis.
Tiltmeter is the instrumentation that is used to measure along the transversal displacement of two orthogonal horizontal of rock body drilled.The main body of this instrument is long tubular, has a connecting rod to pass long tube center, and pulley is equipped with at the two ends of connecting rod.When measuring the transversal displacement of two orthogonal horizontal of edge boring with tiltmeter, the deviational survey pipe of tiltmeter special use must be installed at the inwall of boring, this deviational survey inside pipe wall has two pairs along the evenly distribution of hole week, and the chute that passes through along deviational survey tube axis direction total length, snap in for two pulleys of tiltmeter and arbitrary chute to be slided use.When tiltmeter in boring when a pair of chute slides, measure this transversal displacement to the chute direction; When tiltmeter when another slides chute, measure the transversal displacement vertical with last direction.
Development along with tiltmeter, this instrument has different manufacturers and different models, though tiltmeter has many kinds, its inner structure and measuring accuracy are different, and the internal diameter of the special-purpose deviational survey pipe that tiltmeter is used and the requirement of chute then are identical.Therefore, the size of existing deviational survey pipe and the current standard that shape has become industry are suitable for all tiltmeters.Be that the width of tiltmeter pulley and the bottom land spacing of the special-purpose deviational survey pipe chute that existing tiltmeter uses are fixed.
Sliding deformeter is the instrumentation that is used to measure along the linear deformation of rock body drilled axis direction.This instrument is made up of deformation gauge main body, connector and drag chain.The profile of deformation gauge main body is a right cylinder, the cylindricality measuring head that a side has four chutes is respectively overlapped at its two ends, two unidirectional end faces of measuring head are sphere, drag chain is made up of five joint straight-flanked ring sockets, connect by connector between deformation gauge main body and the drag chain, and can make between deformation gauge main body and the drag chain 45 ° of relative rotations.The size of existing sliding deformeter drag chain and the current standard that shape has become industry are suitable for all sliding deformeters.Be that the thickness of sliding deformeter drag chain, the width and the sliding deformeter measuring head sphere of sliding deformeter drag chain are all fixed.
When measuring the linear deformation of drilling axis direction with sliding deformeter, must the plastics pipeline section be installed at the inwall of boring, the measurement ring with the sliding deformeter special use between each section plastic tube connects, and constitutes the sliding deformeter slotted line.The inwall of measurement ring makes the transverse section of ring form four convexes that cross lobe shape distributes by uniform four chutes of 90 degree.The conical surface that convex surface is advanced for inside nest, groove width is mated with deformation gauge drag chain thickness, and the width of the distance between a pair of bottom land and drag chain mates.
The effect of measurement ring is to make sliding deformeter orientation slide or the sphere of measuring head and the conical surface of measurement ring are adjacent in boring, so that measure.
Existing rock body drilled 3 d deformation monitoring mainly contains following two kinds of methods:
First kind is the diplopore monitoring: promptly need survey the position at rock mass and play two borings, use tiltmeter and sliding deformeter respectively in two borings, measure along the transversal displacement of two orthogonal horizontal of boring with along the linear deformation of drilling axis direction.
Why this method needs to make a call to two borings, is because tiltmeter and sliding deformeter are separate exploitations, and the special-purpose deviational survey pipe that uses for tiltmeter and can not compatibility for the special measurement line of sliding deformeter use can't intersect use.Its weak point is that the rock mass 3 D deformation at a position of monitoring will be played two borings and lay two slotted lines, and workload and monitoring expense are multiplied.
Second kind is the single hole monitoring: promptly need survey the position at rock mass and play a boring, measure the transversal displacement and the axial deformation of boring with the three-dimensional deformation gauge simultaneously.The advantage of this method is: carry out the rock mass 3 d deformation monitoring and only need play a boring and lay a slotted line, make the site operation workload reduce half.Its weak point is, the inner structure complexity of three-dimensional deformation gauge, and price is very expensive, to such an extent as to people would rather adopt the method that diplopore is monitored now, also seldom buys the three-dimensional deformation gauge.
Summary of the invention:
The objective of the invention is, a kind of drillhole inclination survey and axial deformation three-dimension co-linear measuring method are provided, the slotted line that the special-purpose deviational survey pipe that this measuring method is used by three-dimension co-linear measurement ring and existing tiltmeter is formed, in a boring, monitor the transversal displacement and the axis deformation of measured hole respectively, obtain the 3 D deformation rule of this measured hole with tiltmeter and sliding deformeter.
In order to achieve the above object, the present invention follows these steps to carry out in proper order:
1, bores a measured hole in the rock mass detected part;
2, will have the special-purpose deviational survey pipe that tiltmeter uses now and be cut into the identical deviational survey pipeline section of length, the chute of two deviational survey pipeline sections will be alignd with the tiltmeter chute of three-dimension co-linear measurement ring from the two ends of three-dimension co-linear measurement ring respectively, and tighten up with joint, and send into measured hole; The described three-dimension co-linear measurement ring of this step is that hard material is made, the inwall of ring has four two pairs of uniform drag chain chutes, the thickness coupling of the width of drag chain chute and sliding deformeter drag chain, each is to the bottom land spacing of drag chain chute and the width coupling of sliding deformeter drag chain, and drag chain can slide along the drag chain chute orientation of three-dimension co-linear measurement ring; Four drag chain chutes form four convexes that cross lobe shape distributes, and the surface of convex is the conical surface that inside nest advances, the sphere coupling of this conical surface and sliding deformeter measuring head; A tiltmeter chute is opened along center line in bottom at each drag chain chute, the thickness coupling of the width of tiltmeter chute and tiltmeter pulley, each is identical with the bottom land spacing of the special-purpose deviational survey pipe respective slide slots of existing tiltmeter use to the bottom land spacing of tiltmeter chute, and tiltmeter can pass through along the tiltmeter chute orientation of three-dimension co-linear measurement ring;
3, the chute of orifice end place deviational survey pipeline section aligns with the tiltmeter chute of another three-dimension co-linear measurement ring, tighten up with joint, continue to be fed into measured hole, the length of deviational survey pipeline section makes the spacing of two three-dimension co-linear measurement ring in the variation range of two measuring head spheres of sliding deformeter spacing;
4, repeating step 3, are covered with the boring total length until the deviational survey pipe that has the three-dimension co-linear measurement ring;
5, between hole wall and deviational survey pipe, fill mortar then, just form 3 D deformation conllinear measured hole after mortar is fixed;
6, set the tiltmeter measurement point, by number consecutively at the bottom of aperture to the hole;
7, the pulley of tiltmeter is snapped in a pair of chute of 3 D deformation conllinear measured hole;
8, tiltmeter is slided to the first tiltmeter measurement point earlier, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
9, tiltmeter is slided to next tiltmeter measurement point downwards, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
10, repeating step 9, until having surveyed all tiltmeter measurement points;
11, tiltmeter is withdrawed from measured hole;
12, another that the pulley of tiltmeter is snapped in 3 D deformation conllinear measured hole be to chute, repeating step 8～11; So far finish a transversal displacement monitoring of this measured hole;
13, with the three-dimension co-linear measurement ring by aperture to hole at the bottom of number consecutively, each three-dimension co-linear measurement ring is a sliding deformeter measurement point;
14, the cross lobe and the drag chain of sliding deformeter measuring head are aimed at the sliding deformeter chute of three-dimension co-linear measurement ring, sliding deformeter is sent into measured hole;
15, the last measuring head of sliding deformeter is slided between the second and the 3rd sliding deformeter measurement point, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of first and second three-dimension co-linear measurement ring respectively;
16, measure the first and second sliding deformeter measurement point axial displacement relative variations, and record;
17, unclamp pull-back forces, sliding deformeter is resetted, again sliding deformeter is spent with respect to drag chain reverse rotation 45;
18, will slide then the distortion last measuring head slide between following two sliding deformeter measurement points, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of three-dimension co-linear measurement ring respectively;
19, measure this two sliding deformeter measurement point axial displacement relative variations, and record;
20, repeating step 17 to 19, face two sliding deformeter measurement point axial displacement relative variations mutually until having surveyed all, so far finish an axial deformation of this measured hole monitoring;
21, sliding deformeter is withdrawed from measured hole;
22, press the tiltmeter measurement point that setting-up time interval and step 6 are set, adopt the tiltmeter measurement point numbering identical with step 6; Repeating step 7 to 12;
23,13 three-dimension co-linear measurement ring numbering and the sliding deformeter measurement points of setting are numbered set by step; Repeating step 14 to 21;
24, so far finish the 3 d deformation monitoring of once holing;
25, repeating step 22 and 23 is finished the 3 d deformation monitoring of next time holing.
26, repeating step 25, until the boring 3 d deformation monitoring number of times of finishing setting.
The present invention compared with prior art has the following advantages: the 3 d deformation monitoring that carries out this measured hole in a measured hole with tiltmeter and sliding deformeter, realize three-dimensional deformation gauge function at lower cost, bring convenience for the design of rock mass engineering project deformation monitoring scheme arrangement.
Description of drawings:
Fig. 1 is the front elevation of three-dimension co-linear measurement ring.
Fig. 2 is the cut-open view of three-dimension co-linear measurement ring.
Wherein: 1 is that drag chain chute, 2 is that tiltmeter chute, 3 is that convex, 4 is the conical surface.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
The present invention follows these steps to order and carries out:
1, bores a measured hole in the rock mass detected part;
2, will have the special-purpose deviational survey pipe that tiltmeter uses now and be cut into the identical deviational survey pipeline section of length, the chute of two deviational survey pipeline sections will be alignd with the tiltmeter chute of three-dimension co-linear measurement ring from the two ends of three-dimension co-linear measurement ring respectively, and tighten up with joint, and send into measured hole; The described three-dimension co-linear measurement ring of this step is 70 millimeters of external diameters, 42 millimeters of internal diameters, 23 millimeters annulus made from hard materials such as steel, hard aluminium alloy, rigid plastic of thickness, the inwall of ring has four evenly to distribute wide 20 millimeters, two pairs of dark 9 millimeters drag chain chutes 1, the width of drag chain chute 1 just in time with the thickness of sliding deformeter drag chain coupling, each to the bottom land spacing of drag chain chute 1 just in time with the width coupling of sliding deformeter drag chain, drag chain can slide along drag chain chute 1 orientation of three-dimension co-linear measurement ring; Four drag chain chutes 1 form four convexes 3 that cross lobe shape distributes, and the surface of convex 3 is the conical surface 4 that inside nest advances, and this conical surface 4 mates with the sphere of sliding deformeter measuring head; Wide 5 millimeters, dark 2 a millimeters tiltmeter chute 2 is opened along center line in bottom at each drag chain chute 1, the width of tiltmeter chute 2 just in time with the thickness of tiltmeter pulley coupling, each is identical with the bottom land spacing of the special-purpose deviational survey pipe respective slide slots of existing tiltmeter use to the bottom land spacing of tiltmeter chute, and tiltmeter can pass through along the tiltmeter chute orientation of three-dimension co-linear measurement ring;
3, the chute of orifice end place deviational survey pipeline section aligns with the tiltmeter chute 2 of another three-dimension co-linear measurement ring, tighten up with joint, continue to be fed into measured hole, the length of deviational survey pipeline section makes the spacing of two three-dimension co-linear measurement ring in the variation range of two measuring head spheres of sliding deformeter spacing;
4, repeating step 3, are covered with the boring total length until the deviational survey pipe that has the three-dimension co-linear measurement ring;
5, between hole wall and deviational survey pipe, fill mortar then, just form 3 D deformation conllinear measured hole after mortar is fixed;
6, set the tiltmeter measurement point, by number consecutively at the bottom of aperture to the hole;
7, the pulley of tiltmeter is snapped in a pair of chute of 3 D deformation conllinear measured hole;
8, tiltmeter is slided to the first tiltmeter measurement point earlier, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
9, tiltmeter is slided to next tiltmeter measurement point downwards, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
10, repeating step 9, until having surveyed all tiltmeter measurement points;
11, tiltmeter is withdrawed from measured hole;
12, another that the pulley of tiltmeter is snapped in 3 D deformation conllinear measured hole be to chute, repeating step 8～11; So far finish a transversal displacement monitoring of this measured hole;
13, with the three-dimension co-linear measurement ring by aperture to hole at the bottom of number consecutively, each three-dimension co-linear measurement ring is a sliding deformeter measurement point;
14, the cross lobe and the drag chain of sliding deformeter measuring head are aimed at the sliding deformeter chute of three-dimension co-linear measurement ring, sliding deformeter is sent into measured hole;
15, the last measuring head of sliding deformeter is slided between the second and the 3rd sliding deformeter measurement point, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of first and second three-dimension co-linear measurement ring respectively;
16, measure the first and second sliding deformeter measurement point axial displacement relative variations, and record;
17, unclamp pull-back forces, sliding deformeter is resetted, again sliding deformeter is spent with respect to drag chain reverse rotation 45;
18, will slide then the distortion last measuring head slide between following two sliding deformeter measurement points, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of three-dimension co-linear measurement ring respectively;
19, measure this two sliding deformeter measurement point axial displacement relative variations, and record;
20, repeating step 17 to 19, face two sliding deformeter measurement point axial displacement relative variations mutually until having surveyed all, so far finish an axial deformation of this measured hole monitoring;
21, sliding deformeter is withdrawed from measured hole;
22, press the tiltmeter measurement point that setting-up time interval and step 6 are set, adopt the tiltmeter measurement point numbering identical with step 6; Repeating step 7 to 12;
23,13 three-dimension co-linear measurement ring numbering and the sliding deformeter measurement points of setting are numbered set by step; Repeating step 14 to 21;
24, so far finish the 3 d deformation monitoring of once holing;
25, repeating step 22 and 23 is finished the 3 d deformation monitoring of next time holing.
26, repeating step 25, until the boring 3 d deformation monitoring number of times of finishing setting.
Claims (2)
1, drillhole inclination survey and axial deformation three-dimension co-linear measuring method is characterized in that, this method follows these steps to order and carries out:
A, bore a measured hole in the rock mass detected part;
B, will have the special-purpose deviational survey pipe that tiltmeter uses now and be cut into the identical deviational survey pipeline section of length, the chute of two deviational survey pipeline sections will be alignd with the tiltmeter chute of three-dimension co-linear measurement ring from the two ends of three-dimension co-linear measurement ring respectively, and tighten up with joint, and send into measured hole; The described three-dimension co-linear measurement ring of this step is the annulus that hard material is made, the inwall of ring has four equally distributed two pairs of drag chain chutes (1), the width of drag chain chute (1) and the thickness of sliding deformeter drag chain coupling, each is to the bottom land spacing of drag chain chute (1) and the width coupling of sliding deformeter drag chain, and drag chain can slide along drag chain chute (1) orientation of three-dimension co-linear measurement ring; Four drag chain chutes (1) form four convexes (3) that cross lobe shape distributes, and the surface of convex (3) is the conical surface (4) that inside nest advances, and this conical surface (4) mates with the sphere of sliding deformeter measuring head; Tiltmeter chute (2) is opened along center line in bottom at each drag chain chute (1), the width of tiltmeter chute (2) and the thickness of tiltmeter pulley coupling, each is identical with the bottom land spacing of the special-purpose deviational survey pipe respective slide slots of existing tiltmeter use to the bottom land spacing of tiltmeter chute (2), and tiltmeter can pass through along tiltmeter chute (2) orientation of three-dimension co-linear measurement ring;
The chute of c, orifice end place deviational survey pipeline section aligns with the tiltmeter chute (2) of another three-dimension co-linear measurement ring, tighten up with joint, continue to be fed into measured hole, the length of deviational survey pipeline section makes the spacing of two three-dimension co-linear measurement ring in the variation range of two measuring head spheres of sliding deformeter spacing;
D, repeating step c are covered with the boring total length until the deviational survey pipe that has the three-dimension co-linear measurement ring;
E, between hole wall and deviational survey pipe, fill mortar then, just form 3 D deformation conllinear measured hole after mortar is fixed;
F, setting tiltmeter measurement point are by number consecutively at the bottom of aperture to the hole;
G, the pulley of tiltmeter snapped in a pair of chute of 3 D deformation conllinear measured hole;
H, tiltmeter is slided to the first tiltmeter measurement point earlier, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
I, tiltmeter is slided to next tiltmeter measurement point downwards, fixing tiltmeter measures the transversal displacement amount of this tiltmeter measurement point and record;
J, repeating step i are until having surveyed all tiltmeter measurement points;
K, tiltmeter is withdrawed from measured hole;
L, the pulley of tiltmeter is snapped in 3 D deformation conllinear measured hole another to chute, repeating step h～k; So far finish a transversal displacement monitoring of this measured hole;
M, with the three-dimension co-linear measurement ring by aperture to hole at the bottom of number consecutively, each three-dimension co-linear measurement ring is a sliding deformeter measurement point;
N, the cross lobe of sliding deformeter measuring head and drag chain are aimed at the sliding deformeter chute of three-dimension co-linear measurement ring, sliding deformeter is sent into measured hole;
O, the last measuring head of sliding deformeter is slided between the second and the 3rd sliding deformeter measurement point, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of first and second three-dimension co-linear measurement ring respectively;
P, measure the first and second sliding deformeter measurement point axial displacement relative variations, and record;
Q, unclamp pull-back forces, sliding deformeter resetted, again with sliding deformeter with respect to drag chain reverse rotation 45 degree;
R, then will slide the distortion last measuring head slide between following two sliding deformeter measurement points, and sliding deformeter is rotated 45 with respect to drag chain spend, the cross lobe of sliding deformeter measuring head is alignd with the convex of three-dimension co-linear measurement ring, the sliding deformeter of pulling back then makes the sphere of two measuring heads of sliding deformeter be adjacent to the conical surface of three-dimension co-linear measurement ring respectively;
S, measure this two sliding deformeter measurement point axial displacement relative variations, and record;
T, repeating step q to s face two sliding deformeter measurement point axial displacement relative variations mutually until having surveyed all, so far finish an axial deformation of this measured hole monitoring;
U, sliding deformeter is withdrawed from measured hole;
V, press setting-up time at interval and the tiltmeter measurement point set of step f, adopts the tiltmeter measurement point identical to number with step f; Repeating step g to l;
The three-dimension co-linear measurement ring numbering of w, m setting set by step and sliding deformeter measurement point numbering; Repeating step n to u;
X, so far finish the 3 d deformation monitoring of once holing;
Y, repeating step v and w finish the 3 d deformation monitoring of next time holing.
Z, repeating step y are until the boring 3 d deformation monitoring number of times of finishing setting.
2, drillhole inclination survey according to claim 1 and axial deformation three-dimension co-linear measuring method, it is characterized in that, the hard material of the described annulus of step b is steel, hard aluminium alloy, rigid plastic, the external diameter of annulus is that 70 millimeters, internal diameter are that 42 millimeters, thickness are 23 millimeters, wide 20 millimeters, dark 9 millimeters of described drag chain chute (1), wide 5 millimeters, dark 2 millimeters of described tiltmeter chute (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310111545 CN1226589C (en) | 2003-12-10 | 2003-12-10 | Three dimensional collinear measuring method for drillhole inclination survey and axial deformation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310111545 CN1226589C (en) | 2003-12-10 | 2003-12-10 | Three dimensional collinear measuring method for drillhole inclination survey and axial deformation |
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| CN1546941A true CN1546941A (en) | 2004-11-17 |
| CN1226589C CN1226589C (en) | 2005-11-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915094A (en) * | 2010-08-04 | 2010-12-15 | 煤炭科学研究总院重庆研究院 | Continuous monitoring system of overburden rock displacement in ore bed mining process and structuring method thereof |
| CN103485320A (en) * | 2013-09-26 | 2014-01-01 | 河海大学 | U-shaped inclinometer and mounting and embedding method thereof |
| CN106560675A (en) * | 2016-06-03 | 2017-04-12 | 三峡电力职业学院 | Device for protecting bottom shape of inclination testing hole, manufacturing method, and application |
| CN111622200A (en) * | 2020-05-27 | 2020-09-04 | 四川省川建勘察设计院 | Three-dimensional deformation measuring method for inclinometer tube |
| CN115853501A (en) * | 2022-12-28 | 2023-03-28 | 基康仪器股份有限公司 | Detachable flexible inclinometer positioning guide wheel assembly structure |
-
2003
- 2003-12-10 CN CN 200310111545 patent/CN1226589C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915094A (en) * | 2010-08-04 | 2010-12-15 | 煤炭科学研究总院重庆研究院 | Continuous monitoring system of overburden rock displacement in ore bed mining process and structuring method thereof |
| CN101915094B (en) * | 2010-08-04 | 2013-09-18 | 中煤科工集团重庆研究院 | Structuring method of continuous monitoring system of overburden rock displacement in ore bed mining process |
| CN103485320A (en) * | 2013-09-26 | 2014-01-01 | 河海大学 | U-shaped inclinometer and mounting and embedding method thereof |
| CN103485320B (en) * | 2013-09-26 | 2015-03-11 | 河海大学 | U-shaped inclinometer and mounting and embedding method thereof |
| CN106560675A (en) * | 2016-06-03 | 2017-04-12 | 三峡电力职业学院 | Device for protecting bottom shape of inclination testing hole, manufacturing method, and application |
| CN106560675B (en) * | 2016-06-03 | 2019-04-19 | 三峡电力职业学院 | It is a kind of for protecting device, manufacturing method and the application of deviational survey hole bottom pass |
| CN111622200A (en) * | 2020-05-27 | 2020-09-04 | 四川省川建勘察设计院 | Three-dimensional deformation measuring method for inclinometer tube |
| CN115853501A (en) * | 2022-12-28 | 2023-03-28 | 基康仪器股份有限公司 | Detachable flexible inclinometer positioning guide wheel assembly structure |
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|---|---|
| CN1226589C (en) | 2005-11-09 |
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