CN109162259A - A kind of installation method of array displacement meter on high rock-fill dams - Google Patents

A kind of installation method of array displacement meter on high rock-fill dams Download PDF

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Publication number
CN109162259A
CN109162259A CN201811242821.0A CN201811242821A CN109162259A CN 109162259 A CN109162259 A CN 109162259A CN 201811242821 A CN201811242821 A CN 201811242821A CN 109162259 A CN109162259 A CN 109162259A
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China
Prior art keywords
pipe
built
displacement meter
connector
array displacement
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CN201811242821.0A
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CN109162259B (en
Inventor
简波
曹军
郑莉
黄辉
姜丽娟
田元勋
丁渔刚
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Zhejiang East China Engineering Consulting Co Ltd
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Zhejiang East China Engineering Consulting Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02Fixed barrages
    • E02B7/04Dams across valleys
    • E02B7/06Earth-fill dams; Rock-fill dams
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The present invention relates to a kind of installation methods of array displacement meter, more specifically, it relates to a kind of installation method of array displacement meter on high rock-fill dams, drip irrigation device includes the following steps: a: preparation built-in pipe;B: prefabricated guard box;C: the vertical close core-wall of built-in pipe is arranged, and covers built-in pipe using guard box;D: being laid with transition zone, while being laid with core-wall, and the elevation of transition zone and core-wall is made to be more than the pipe height of built-in pipe;E: digging guard box, opens top plate, and spreading built-in pipe;F: guard box is taken out from transition zone, and built-in pipe periphery is backfilled and tamped using Transition Materials;G: pre-buried and spreading built-in pipe is recycled;H: array displacement meter is put into built-in pipe;I: it is used to fill the gap between array displacement meter and built-in pipe injecting fine sand in built-in pipe;J: by pre-buried channel closure, the present invention has the effect of can the safely and effectively mounted array formula displacement meter on rock-fill dams.

Description

A kind of installation method of array displacement meter on high rock-fill dams
Technical field
The present invention relates to a kind of installation methods of array displacement meter, more specifically, it relates to which a kind of array is displaced Count the installation method on high rock-fill dams.
Background technique
Array displacement meter is generally used for Monitoring of Slope Deformation, slip mass deformation monitoring, bridge foundation and high-speed railway rail Foundation deformation monitoring etc..By being mounted directly array displacement meter after drilling on the massif of quasi- monitoring.
Because array displacement meter cannot be segmented, merogenesis installation, it is necessary to which a set of integral installation, array displacement meter is in the past in heap It is not yet applied on masonry dam, main difficulty is exactly to install.Such as the displacement to monitor core wall rockfill dam, general array displacement meter It needs to be close to core-wall and is arranged in core-wall downstream, if filling out dam in installation, construction machinery is more on dam facing, easily to array position It moves meter to damage, array displacement meter is caused not to be available.If installed instruments again after the completion of dam filing, and appear in It drills on rock-fill dams extremely difficult, easily collapse hole, and hole is to the problem of bad control.And in drilling, hole then can to deviation It causes core-wall to damage, eventually leads to dam body strength reduction.
Summary of the invention
In view of the deficienciess of the prior art, the invention reside in provide a kind of peace of array displacement meter on high rock-fill dams Dress method, it is advantageous that can the safely and effectively mounted array formula displacement meter on rock-fill dams.
Technical purpose of the invention has the technical scheme that a kind of array displacement meter in high enrockment Installation method on dam, includes the following steps:
A: preparation built-in pipe;
B: prefabricated guard box, described guard box one end is bottomless, and the other end is provided with movable panel;
C: the vertical close core-wall of built-in pipe is arranged, and covers built-in pipe using guard box;
D: it is laid with transition zone using Transition Materials, while being laid with core-wall using core-wall material, and make the height of transition zone and core-wall Journey is more than that the pipe of built-in pipe is high;
E: digging guard box, opens top plate, and spreading built-in pipe;
F: guard box is taken out from transition zone, and built-in pipe periphery is backfilled and tamped using Transition Materials;
G: pre-buried and spreading built-in pipe is recycled;
H: array displacement meter is put into built-in pipe;
I: it is used to fill the gap between array displacement meter and built-in pipe injecting fine sand in built-in pipe;
J: by pre-buried channel closure.
By using above-mentioned technical proposal, synchronous setting and spreading built-in pipe, then can facilitate while building core-wall Array-type sensor is put into built-in pipe, array-type sensor is safely and effectively mounted on rock-fill dams and is used for Monitor rock-fill dams.
The present invention is further arranged to: built-in pipe includes tube coupling and connector, and the connector is used to connect adjacent tube coupling, The connector and tube coupling are tubulose, but connector is first placed on greater than the outer diameter of tube coupling in spreading built-in pipe by the internal diameter of connector Then the upper end of tube coupling is anchored tube coupling and connector using fastener, then by the lower end of a root canal section stretch in connector and with Connector anchoring, then successively spreading built-in pipe, removable cover is arranged in its top during built-in pipe spreading.
By using above-mentioned technical proposal, can be arranged with spreading built-in pipe pre-buried using the cooperation of tube coupling and connector The removable cover of pipe the top leads to pre-buried blockage for preventing external foreign matter from entering in built-in pipe, so that array Sensor cannot be put into built-in pipe.
The present invention is further arranged to: being smeared marine glue in the position that the connector is connect with tube coupling, and is wound waterproof Then adhesive tape recycles non-woven fabrics to wrap up connector and tube socket, finally using galvanized wire winding non-woven fabrics non-woven fabrics to be fixed on On built-in pipe.
By using above-mentioned technical proposal, enhance the sealing performance of connector and tube coupling junction, so that external foreign matter, moisture It is difficult to enter into built-in pipe and array built-in pipe is impacted.
The present invention is further arranged to: guard box outer surface is fixed with hanging ring, is fixed using rope and hanging ring, then will rope Rope is connected with lifting equipment, so that guard box be taken out from transition zone.
By using above-mentioned technical proposal, easily guard box can be taken out from transition zone by machinery.
The present invention is further arranged to: the sedimentation situation of Instrument observation built-in pipe is utilized during built-in pipe spreading.
It by using above-mentioned technical proposal, monitors built-in pipe and settles situation in the construction process, so as to construction personnel's connection Construction Condition.
The present invention is further arranged to: being shifted one's love during built-in pipe spreading using the horizontal position of Instrument observation built-in pipe Condition.
By using above-mentioned technical proposal, the horizontal displacement situation of built-in pipe is monitored, so as to construction personnel's connection construction shape Condition.
The present invention is further arranged to: built-in pipe is fixed by connector and core-wall, and described connector one end penetrates core-wall In, the other end is connected with built-in pipe.
By using above-mentioned technical proposal, core-wall is linked together with built-in pipe, and allows built-in pipe can Preferably follow the synchronous deformation of core-wall.
The present invention is further arranged to: test tube is first carried out before step h, the step of test tube are as follows: utilize filament and a pouring weight Pouring weight, is then put into built-in pipe by connection, and whether observation pouring weight smoothly falls to pre-buried bottom of the tube.
By using above-mentioned technical proposal, detect whether built-in pipe blocks, it can be in built-in pipe if built-in pipe does not block Middle merging array displacement meter.
The present invention is further arranged to: before step h, installation rack is set up at the mounting hole position on built-in pipe top, by battle array Column displacement meter spool is erected on erecting bed frame, array displacement meter spool is rotated, slowly steadily by array displacement meter It is put into built-in pipe.
By using above-mentioned technical proposal, controls array displacement meter and be put into the speed in built-in pipe.
In conclusion the invention has the following advantages:
1, synchronous setting and spreading built-in pipe while building core-wall, then can easily be put into array biography in built-in pipe Sensor enables array-type sensor to be safely and effectively mounted on rock-fill dams for monitoring rock-fill dams;
2, the sedimentation situation and horizontal displacement situation that built-in pipe is detected in the work progress of built-in pipe, enable construction personnel It is accurate to understand Construction Condition.
Detailed description of the invention
Fig. 1 is facade diagrammatic cross-section of the invention;
Fig. 2 is cross-sectional configuration schematic diagram of the invention.
Appended drawing reference: 1, built-in pipe;2, tube coupling;3, connector;4, guard box;5, top plate;6, hanging ring;7, transition zone;8, tight Firmware;9, ring is settled;10, connector;11, rope;12, core-wall;13, removable cover.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
Present embodiment discloses a kind of installation method of array displacement meter on high rock-fill dams, as shown in Figure 1, 2, packet Include following steps:
A: preparation built-in pipe 1, built-in pipe 1 include the tube coupling 2 and connector 3 of aluminum, and connector 3 connects for connecting adjacent tube coupling 2 First 3 and tube coupling 2 are tubulose, and 2 internal diameter of tube coupling is 70mm, wall thickness 2mm, but the internal diameter of connector 3 is greater than the outer diameter of tube coupling 2;
B: prefabricated guard box 4, guard box 4 are square, and are formed by the steel plate splicing of 10mm thickness, a length of 500mm, the width of guard box 4 For 500mm, a height of 500 guard box 4,4 one end of guard box is bottomless, and the other end is stamped one piece of rectangular movable panel 5, outside guard box 4 The upper end of four sides in surface is respectively and fixedly provided with hanging ring 6;
C: built-in pipe 1 is vertically arranged, and built-in pipe 1 is 150mm-250mm at a distance from core-wall 12, and utilizes guard box 4 Cover built-in pipe 1;
D: it is laid with transition zone 7 using Transition Materials, while being laid with core-wall 12 using 12 material of core-wall, and make transition zone 7 and the heart The elevation of wall 12 is more than the high 500mm of pipe of built-in pipe 1;
E: digging guard box 4, opens top plate 5, and connector 3 is first placed on tube coupling in spreading built-in pipe 1 by spreading built-in pipe 1 Then 2 upper end is anchored tube coupling 2 and connector 3 using fastener 8, fastener 8 is rivet, then the lower end of a root canal section 2 is stretched Enter into connector 3 and anchored with connector 3, then successively spreading built-in pipe 1, its top is arranged during 1 spreading of built-in pipe Removable cover 13 causes built-in pipe 1 to block for preventing external foreign matter from entering in built-in pipe 1, so that array-type sensor It cannot be put into built-in pipe 1;
Marine glue is smeared in the position that connector 3 is connect with tube coupling 2, and winds adhesive waterproof tape, then recycles non-woven fabrics that will connect First 3 with tube socket wrap up, finally using galvanized wire winding non-woven fabrics non-woven fabrics to be fixed on built-in pipe 1, thus enhance connector 3 with The sealing performance of 2 junction of tube coupling, causes array built-in pipe 1 into built-in pipe 1 so that external foreign matter, moisture are difficult to enter It influences;
F: using rope 11 and 6 binding and fixing of hanging ring, then by rope 11 and lifting equipment binding and fixing, thus by guard box 4 It is taken out from transition zone 7, then 1 periphery of built-in pipe is backfilled and tamped using Transition Materials;
G: pre-buried and spreading built-in pipe 1 is recycled;
Summarize in the process of spreading built-in pipe 1, on built-in pipe 1 be arranged electromagnetic type sedimentometer, sedimentometer include sedimentation ring 9 and Induction feeler, sedimentation ring 9 is set in outside built-in pipe 1, and the setting along 1 length direction interval of built-in pipe, adjacent sedimentation ring 9 It is spaced 3000mm;
When observation, electromagnetism sedimentometer induction feeler is put into built-in pipe 1, when induction feeler passes through reaction magnetic ring, electromagnetism sedimentation Instrument can issue alarm, at this point, recording staff reading, that is, can determine reaction magnetic ring position, and front and back difference twice as settles Value;
The horizontal displacement situation that Instrument observation built-in pipe 1 is also utilized during 1 spreading of built-in pipe, so that construction personnel Sedimentation of the built-in pipe 1 during construction, displacement situation can be understood;
During spreading built-in fitting, also using the connection of connector 10 and core-wall 12, connector 10 uses diameter for 16mm's Rib line reinforcement fabrication, one end end are fabricated to tip shape, and convenient for squeezing into asphaltic concrete core wall 12, other end bending is in " U " Shape, core-wall 1215cm ~ 20cm is squeezed into the sharp one end of connector 10 when installation, and the other end catches on built-in pipe 1;
H: test tube is connect with a pouring weight using filament, then pouring weight is put into built-in pipe 1, and whether observation pouring weight smoothly falls To 1 bottom of built-in pipe, so that it is determined that whether built-in pipe 1 blocks;
Installation rack is set up at the mounting hole position on 1 top of built-in pipe, mounting rack includes rotating bar, and can with rotating bar both ends Rotating bar is inserted into array displacement meter spool, then rotating bar is connected with stabilizer blade by the stabilizer blade of dismantling connection, rotates array Array displacement meter, is slowly steadily put into built-in pipe 1 by formula displacement meter spool;
I: it is used to fill the gap between array displacement meter and built-in pipe 1 injecting fine sand in built-in pipe 1, so that built-in pipe 1 Array displacement meter is able to drive in deformation to deform together;
J: built-in pipe 1 is sealed.
Assigned direction in this specific embodiment is intended merely to facilitate between each component of statement positional relationship and mutually The relationship of cooperation.The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned Embodiment, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for this technology For the those of ordinary skill in field, several improvements and modifications without departing from the principles of the present invention, these are improved and profit Decorations also should be regarded as protection scope of the present invention.

Claims (9)

1. installation method of a kind of array displacement meter on high rock-fill dams, it is characterized in that: including the following steps:
A: preparation built-in pipe (1);
B: prefabricated guard box (4), described guard box (4) one end is bottomless, and the other end is provided with movable panel (5);
C: the vertical close core-wall (12) of built-in pipe (1) is arranged, and covers built-in pipe (1) using guard box (4);
D: being laid with transition zone (7) using Transition Materials, while being laid with core-wall (12) using core-wall (12) material, and make transition zone (7) and the elevation of core-wall (12) is high more than the pipe of built-in pipe (1);
E: digging guard box (4), opens top plate (5), and spreading built-in pipe (1);
F: guard box (4) is taken out from transition zone (7), built-in pipe (1) periphery is backfilled and tamped using Transition Materials;
G: pre-buried and spreading built-in pipe (1) is recycled;
H: array displacement meter is put into built-in pipe (1);
I: injection fine sand is used to fill the gap between array displacement meter and built-in pipe (1) in built-in pipe (1);
J: built-in pipe (1) is sealed.
2. installation method of a kind of array displacement meter according to claim 1 on high rock-fill dams, it is characterized in that: pre-buried Pipe (1) includes tube coupling (2) and connector (3), and the connector (3) is for connecting adjacent tube coupling (2), the connector (3) and pipe Section (2) is tubulose, but the internal diameter of connector (3) is greater than the outer diameter of tube coupling (2), at spreading built-in pipe (1), first by connector (3) It is placed on the upper end of tube coupling (2), is then anchored tube coupling (2) and connector (3) using fastener (8), then will be under a root canal section (2) End stretches in connector (3) and anchors with connector (3), then successively spreading built-in pipe (1), during built-in pipe (1) spreading Removable cover (13) are arranged in its top.
3. installation method of a kind of array displacement meter according to claim 2 on high rock-fill dams, it is characterized in that: in institute It states the position that connector (3) is connect with tube coupling (2) and smears marine glue, and wind adhesive waterproof tape, then recycle non-woven fabrics that will connect Head (3) and tube socket wrap up, finally using galvanized wire winding non-woven fabrics non-woven fabrics to be fixed on built-in pipe (1).
4. installation method of a kind of array displacement meter according to claim 1 on high rock-fill dams, it is characterized in that: protection Case (4) outer surface is fixed with hanging ring (6), fixed using rope (11) and hanging ring (6), then by rope (11) and lifting equipment phase Even to take out guard box (4) from transition zone (7).
5. installation method of a kind of array displacement meter according to claim 1 on high rock-fill dams, it is characterized in that: pre-buried The sedimentation situation of Instrument observation built-in pipe (1) is utilized during managing (1) spreading.
6. installation method of a kind of array displacement meter according to claim 5 on high rock-fill dams, it is characterized in that: pre-buried The horizontal displacement situation of Instrument observation built-in pipe (1) is utilized during managing (1) spreading.
7. installation method of a kind of array displacement meter according to claim 6 on high rock-fill dams, it is characterized in that: pre-buried Manage that (1) is fixed by connector (10) and core-wall (12), and described connector (10) one end penetrates in core-wall (12), the other end and pre- Pipe laying (1) is connected.
8. installation method of a kind of array displacement meter according to claim 1 on high rock-fill dams, it is characterized in that: in step Test tube is first carried out before rapid h, the step of test tube are as follows: it is connect using filament with a pouring weight, then pouring weight is put into built-in pipe (1), Whether observation pouring weight smoothly falls to built-in pipe (1) bottom.
9. installation method of a kind of array displacement meter according to claim 8 on high rock-fill dams, it is characterized in that: step Before h, installation rack is set up at the mounting hole position on built-in pipe (1) top, array displacement meter spool is erected at erecting bed frame On, array displacement meter spool is rotated, slowly steadily array displacement meter is put into built-in pipe (1).
CN201811242821.0A 2018-10-24 2018-10-24 Method for mounting array type displacement meter on high rock-fill dam Active CN109162259B (en)

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Publication number Priority date Publication date Assignee Title
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