CN105136110A - Firmly-embedded settlement ring, and soil layering settlement amount monitoring system - Google Patents

Firmly-embedded settlement ring, and soil layering settlement amount monitoring system Download PDF

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Publication number
CN105136110A
CN105136110A CN201510520550.0A CN201510520550A CN105136110A CN 105136110 A CN105136110 A CN 105136110A CN 201510520550 A CN201510520550 A CN 201510520550A CN 105136110 A CN105136110 A CN 105136110A
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ring
sedimentation
embedded type
firm embedded
soil layer
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CN105136110B (en
Inventor
黄泰
李立新
于洋
张陆一
刑义
侯晋芳
李树奇
杨京方
喻志发
刘爱民
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CCCC First Harbor Engineering Co Ltd
Tianjin Port Engineering Institute Ltd of CCCC Frst Harbor Engineering Co Ltd
Tianjin Harbor Engineering Quality Inspection Center Co Ltd
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CCCC First Harbor Engineering Co Ltd
Tianjin Port Engineering Institute Ltd of CCCC Frst Harbor Engineering Co Ltd
Tianjin Harbor Engineering Quality Inspection Center Co Ltd
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Priority to CN201510520550.0A priority Critical patent/CN105136110B/en
Priority to CN201810119515.1A priority patent/CN108981654B/en
Priority to CN201810117997.7A priority patent/CN108413928B/en
Publication of CN105136110A publication Critical patent/CN105136110A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a firmly-embedded settlement ring, and a soil layering settlement amount monitoring system used for monitoring the layering settlement amount of overland soft soil foundation. The settlement ring has the advantages of simple installation and low cost, and can be firmly embedded in a soil layer to be measured in severe environment with large soil pressure to sink with the soil layer to be measured, so the measurement result of the soil layering settlement amount is accurate, and the settlement amount of the soil layer to be measured is timely and accurately measured.

Description

Firm embedded type sedimentation ring and soil body delaminating deposition amount monitoring system
Technical field
The invention belongs to civil engineering work quality monitoring instrument, particularly one firm embedded type sedimentation ring and soil body delaminating deposition amount monitoring system.
Background technology
In port construction, usually use the delaminating deposition amount of tape sedimentometer monitoring soft soil base.Tape sedimentometer working method is: the logical heart sedimentation pipe of pre-buried PVC material in soft soil foundation to be measured, and has sedimentation magnet ring at logical heart sedimentation tube exterior subsection cover, and the bottom nozzle of sedimentation pipe lowermost end is provided with pig tail catheter seal head; Be distributed with multiple sedimentation ring at sedimentation pipe outside surface, have magnet ring in sedimentation ring, be externally connected with outwards radial and can the anchoring iron plate of folding and unfolding at sedimentation ring, anchoring iron plate embeds tested soil layer and makes sedimentation magnet ring with tested solum settlement; There is magnetic induction sensor tape one end is connected to the receiver of the tape other end by the signal wire that tape adheres to, and have hummer in receptacle, tape is marked with scale; Manually tape is put into PVC conduit with gauge head end, hold tape to move down lentamente by gauge head, when reaching the magnet ring burial place in soil layer when gauge head, the hummer of receiver just can be sounded a buzzer, now manually read the depth dimensions of tape at mouth of pipe place, that is to say the distance length of this magnet ring distance mouth of pipe, by the difference between this length measurements and the measured value of previous time point, is namely the settling amount of this magnet ring place soil layer in this time period; The delaminating deposition amount of each soil layer can be measured in this way.
Sedimentation ring is that firm non-metallic material such as PVC material etc. processes.As shown in Figure 1, Figure 2, Figure 3 shows, several foldable anchoring iron plate (b) is equipped with in traditional sedimentation ring (a) periphery, is anchored in tested soil layer for making sedimentation ring.Survey in tradition sedimentation ring (a) and be embedded with circle magnet (c) for triggering the magnetic induction part in sedimentometer probe.During use, multiple sedimentation ring is sleeved on logical heart sedimentation pipe (d) in advance, determines its cover holding position on logical heart sedimentation pipe according to the soil depth of each sedimentation ring premonitoring.After each sedimentation ring set installs, longitudinal arrangement, on logical heart sedimentation pipe (d), and sequences numbering according to its present position successively.Such as, on logical heart sedimentation pipe, cover has eight sedimentation rings, topmost be that a sedimentation ring arranges in numerical order that to be incremented to bottom be No. eight sedimentation rings successively.
As shown in Figure 2, anchoring iron plate (b) of traditional sedimentation ring is first firmly turned up and is fastened on logical heart sedimentation pipe (d) sidewall with water-soluble Paper adhesive tape (e) before burying underground.As shown in Figure 3, treat that logical heart sedimentation pipe (d) is buried underground, after sedimentation ring has reached predetermined soil depth, water-soluble Paper adhesive tape can by water-solubleization in soil layer.Anchoring iron plate (b) subsequently struts automatically due to natural resiliency, is anchored in soil layer to be measured, and sedimentation ring is sunk along with soil layer to be measured.
This traditional sedimentation ring in actual applications, because soil body pressure is very large, and the lateral contact area of anchoring iron plate and the soil body is larger, anchoring iron plate is caused fully not strut, to such an extent as to anchoring iron plate can not be anchored in soil layer to be measured, sedimentation ring can not be sunk along with soil layer to be measured, thus cause the measurement result of soil body delaminating deposition amount to occur mistake, can not the settling amount of the tested soil layer of measurement promptly and accurately.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of firm embedded type sedimentation ring and soil body delaminating deposition amount monitoring system, for long term monitoring land soft soil foundation delaminating deposition amount.Simple installation of the present invention, with low cost, also can firmly embed in soil layer to be measured in the rugged surroundings that soil pressure is larger, firm embedded type sedimentation ring can be sunk along with soil layer to be measured, thus make the measurement result of soil body delaminating deposition amount accurate, can the settling amount of the tested soil layer of measurement promptly and accurately.
The present invention realizes by the following technical solutions:
A kind of firm embedded type sedimentation ring, comprises a ring sleeve, it is characterized in that: ring sleeve inner tubal wall embeds the magnet circle be provided with for triggering sedimentometer probe magnetic induction part; Ring sleeve outer tube wall is provided with and can outwards launches and can the ejection type anchor of folding and unfolding; Described ejection type anchor is made up of the elongated keel of rigidity high rigidity, bent tough etching resistant film, torque spring and hinge; The torque spring of described ejection type anchor is hinged on hinge, and one end of torque spring holds out against ring sleeve, and the other end of torque spring is connected with the elongated keel of rigidity high rigidity; The both sides of bent tough etching resistant film connect ring sleeve and the elongated keel of rigidity high rigidity respectively.
And the elongated keel of described rigidity high rigidity select elongated steel bar; Described bent tough etching resistant film selects waterproof nylon cloth material, and described hinge is preferably small-sized hinge structure.
And ring sleeve outer tube wall is provided with four ejection type anchors.
And, be windmill after the ejection type anchor of firm embedded type sedimentation ring launches and launches.
The using method of described firm embedded type sedimentation ring: be located in logical heart sedimentation pipe by firm embedded type sedimentation ring set, turns up the ejection type anchor of firm embedded type sedimentation ring and fastens on the sidewall of logical heart sedimentation pipe by water-soluble Paper adhesive tape; Then the logical heart sedimentation pipe being set with firm embedded type sedimentation ring is vertically imbedded in tested soil layer; Water-soluble Paper adhesive tape is by after water-solubleization in soil layer, the tension force of torque spring makes the elongated keel of rigidity high rigidity launch, the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film horizontal cross launch and cut in tested soil layer while launching, the pressure produced during tested solum settlement makes the elongated keel of rigidity high rigidity and bent tough etching resistant film also with the synchronous sedimentation of tested soil layer, thus makes firm embedded type sedimentation ring with the synchronous sedimentation of tested soil layer.
A kind of soil body delaminating deposition amount monitoring system based on firm embedded type sedimentation ring: comprise described firm embedded type sedimentation ring, logical heart sedimentation pipe, conduit seal head, tubes connection ring and special measurement tape, firm embedded type sedimentation ring set is located in logical heart sedimentation pipe, logical heart sedimentation pipe is stitched together by tubes connection ring, and the lowermost end mouth of logical heart sedimentation pipe arranges pig tail catheter seal head; One end of described special measurement tape is provided with magnetic induction gauge head, and the other end of special measurement tape is provided with receiver, and connected by the signal wire be attached on tape between magnetic induction gauge head and receiver, special measurement tape is marked with scale.
And, be provided with hummer in described receiver.
The using method of the described soil body delaminating deposition amount monitoring system based on firm embedded type sedimentation ring is carried out as follows:
Step one: the ejection type anchor of firm embedded type sedimentation ring is turned up and fastens on the sidewall of logical heart sedimentation pipe by water-soluble Paper adhesive tape;
Step 2: formation is carried out punching and vertically imbedded in stratum by the logical heart sedimentation pipe being set with firm embedded type sedimentation ring;
Step 3: water-soluble Paper adhesive tape is by after water-solubleization in soil layer, the tension force of torque spring makes the elongated keel of rigidity high rigidity launch, and the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film launch and firmly embed in tested soil layer while launching;
Step 4: utilize special measurement tape to measure solum settlement situation.
And, in step 4, manually the magnetic induction gauge head end of special measurement tape is put into logical heart sedimentation pipe, hold tape to move down lentamente by magnetic induction gauge head, when reaching the firm embedded type sedimentation ring burial place in soil layer when magnetic induction gauge head, hummer in receiver just can be sounded a buzzer, now manually read the depth dimensions of special measurement tape at logical heart sedimentation pipe mouth of pipe place, that is to say the distance length of the logical heart sedimentation pipe mouth of pipe of this firm embedded type sedimentation ring distance, by the difference between this length measurements and the measured value of previous time point, namely be the settling amount of this firm embedded type sedimentation ring place soil layer in this time period.
Advantage of the present invention and beneficial effect are: the ejection type anchor in firm embedded type sedimentation ring makes the elongated keel of rigidity high rigidity such as windmill launch by the tension force of torque spring, the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film launch and be firmly embedded in tested soil layer while launching, the pressure produced when tested solum settlement makes the elongated keel of rigidity high rigidity and bent tough etching resistant film also with the synchronous sedimentation of tested soil layer, thus makes firm embedded type sedimentation ring with the synchronous sedimentation of tested soil layer, because the elongated keel of rigidity high rigidity and bent tough etching resistant film are in horizontal cross incision soil layer, and the thickness of the elongated keel of rigidity high rigidity and bent tough etching resistant film is very little, therefore the anchoring iron plate that the resistance suffered by its incision soil layer compares traditional turnover structure is very little, the elongated keel of rigidity high rigidity and bent tough etching resistant film in the rugged surroundings that soil pressure is larger also can be cut in soil layer to be measured like a cork to make firm embedded type sedimentation ring firmly be embedded in soil layer to be measured, thus ensure that firm embedded type sedimentation ring synchronously can sink along with soil layer to be measured, further ensure that the accuracy of the measurement result of the soil body delaminating deposition amount monitoring system based on firm embedded type sedimentation ring.
Accompanying drawing explanation
Fig. 1 is traditional sedimentation ring structure.
Fig. 2 is that traditional sedimentation ring buries front state underground.
Fig. 3 is that traditional sedimentation ring buries rear state underground.
Fig. 4 is that firm embedded type sedimentation ring buries pre-structure cut-open view underground.
Fig. 5 is that firm embedded type sedimentation ring buries rear structure cut-open view underground.
Fig. 6 is that firm embedded type sedimentation ring buries pre-structure vertical view underground.
Fig. 7 is that firm embedded type sedimentation ring buries rear structure vertical view underground.
Fig. 8 is the structural representation of the soil body delaminating deposition amount monitoring system based on firm embedded type sedimentation ring.
In Fig. 1-3: a is traditional sedimentation ring, and b is anchoring iron plate, and c is magnet, d is logical heart sedimentation pipe, and e is water-soluble Paper adhesive tape.
In Fig. 4-8: 1 is firm embedded type sedimentation ring, 2 is logical heart sedimentation pipe, and 3 is conduit seal head, 4 is tubes connection ring, and 5 is receiver, and 6 is special measurement tape, 7 is the logical heart sedimentation pipe mouth of pipe, and 8 is magnetic induction gauge head, and 9 is soil body top layer, 10 there is not sedimentation rock stratum for underground, and 11 is water-soluble Paper adhesive tape, and 1-1 is ring sleeve, 1-2 is magnet circle, and 1-3 is the elongated keel of rigidity high rigidity, and 1-4 is bent tough etching resistant film, 1-5 is torque spring, and 1-6 is hinge.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment one: see accompanying drawing 4-7, a kind of firm embedded type sedimentation ring comprises a ring sleeve 1-1, and ring sleeve 1-1 inner tubal wall embeds and is provided with a circle magnet circle 1-2, for triggering the magnetic induction part in sedimentometer probe; Ring sleeve 1-1 outer tube wall is provided with four and can outwards launches and can the ejection type anchor of folding and unfolding, can level be embedded in tested soil layer after ejection type anchor launches, when tested soil layer generation sedimentation, ejection type anchor drives whole firm embedded type sedimentation ring 1, with soil layer, synchronous sedimentation occurs;
Described ejection type anchor is made up of rigidity high rigidity elongated keel 1-3 (such as elongated steel bar), bent tough etching resistant film 1-4 (such as waterproof nylon cloth), torque spring 1-5 and hinge 1-6 (such as small-sized hinge), torque spring 1-5 is hinged on hinge 1-6, one end of torque spring 1-5 holds out against ring sleeve 1-1, and the other end of torque spring 1-5 is connected with the elongated keel 1-3 of rigidity high rigidity; The both sides of bent tough etching resistant film 1-4 connect ring sleeve 1-1 and the elongated keel 1-3 of rigidity high rigidity respectively.Torque spring 1-5 can drive the elongated keel 1-3 of coupled rigidity high rigidity to launch by the effect of tension force, thus make rigidity high rigidity elongated keel 1-3 drive coupled bent tough etching resistant film 1-4 to launch, as windmill (as best shown in figures 5 and 7) after launching.
The using method of firm embedded type sedimentation ring is as follows:
First firm embedded type sedimentation ring 1 is set in logical heart sedimentation pipe 2, the ejection type anchor of firm embedded type sedimentation ring is turned up and fastens by water-soluble Paper adhesive tape 11 on the sidewall of logical heart sedimentation pipe 2 (see accompanying drawing 4);
Then the logical heart sedimentation pipe (logical heart sedimentation pipe bottom needs sealing) being set with firm embedded type sedimentation ring is vertically imbedded in stratum;
After water-soluble Paper adhesive tape 11 is by water-solubleization in soil layer, the tension force of torque spring 1-5 makes the elongated keel 1-3 of rigidity high rigidity such as windmill launch (see accompanying drawing 7), the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film 1-4 launch and firmly embed in tested soil layer while launching, the pressure produced during tested solum settlement makes the elongated keel of rigidity high rigidity and bent tough etching resistant film also with the synchronous sedimentation of tested soil layer, thus make firm embedded type sedimentation ring 1 with the synchronous sedimentation of tested soil layer (when needs measure solum settlement situation time, utilize special measurement tape to measure solum settlement situation).
Embodiment two: as shown in Figure 8, a kind of soil body delaminating deposition amount monitoring system based on firm embedded type sedimentation ring, comprise firm embedded type sedimentation ring 1, logical heart sedimentation pipe 2, conduit seal head 3, tubes connection ring 4, special measurement tape 6, the structure of described firm embedded type sedimentation ring 1 is as described in embodiment one, firm embedded type sedimentation ring 1 is set in logical heart sedimentation pipe 2, multiple logical heart sedimentation pipe 2 is stitched together by tubes connection ring 4, logical heart sedimentation pipe 2 is vertically arranged, and the lowermost end mouth of logical heart sedimentation pipe 2 is arranged the pig tail catheter seal head 3 of sealing; One end of described special measurement tape 6 is provided with magnetic induction gauge head 8, the other end of special measurement tape 6 is provided with receiver 5, connected by the signal wire be attached on tape between magnetic induction gauge head 8 and receiver 5, be provided with hummer in receiver 5, special measurement tape 6 is marked with scale.
Using method based on the soil body delaminating deposition amount monitoring system of firm embedded type sedimentation ring is as follows:
First several firm embedded type sedimentation ring 1 is set in logical heart sedimentation pipe 2, and by tubes connection ring 4, multiple logical heart sedimentation pipe 2 is spliced to designated length, the lowermost end mouth of logical heart sedimentation pipe 2 arranges the pig tail catheter seal head 3 of sealing, the ejection type anchor of firm embedded type sedimentation ring 1 is turned up and fastens by water-soluble Paper adhesive tape 11 on the sidewall of logical heart sedimentation pipe 2 (see accompanying drawing 4);
Then formation is carried out punching and is vertically imbedded in stratum by the logical heart sedimentation pipe 2 being set with firm embedded type sedimentation ring 1, under wanting arrival point according to technical requirement pig tail catheter seal head 3, position, sedimentation rock stratum 10 does not occur, logical heart sedimentation pipe 2 top will expose soil body top layer 9;
After firm embedded type sedimentation ring is embedded in stratum, water-soluble Paper adhesive tape 11 can by after water-solubleization in soil layer, the tension force of torque spring makes the elongated keel 1-3 of rigidity high rigidity such as windmill launch (see accompanying drawing 7), rigidity high rigidity elongated keel 1-3 drives coupled bent tough etching resistant film 1-4 launch and firmly embed in tested soil layer while launching, the pressure produced during tested solum settlement makes rigidity high rigidity elongated keel 1-3 and bent tough etching resistant film 1-4 also with the synchronous sedimentation of tested soil layer, thus make firm embedded type sedimentation ring 1 with the synchronous sedimentation of tested soil layer,
When solum settlement situation measured by needs, utilize special measurement tape 6 to measure solum settlement situation, one end of described special measurement tape 6 is provided with magnetic induction gauge head 8, the other end of special measurement tape 6 is provided with receiver 5, connected by the signal wire be attached on tape between magnetic induction gauge head 8 and receiver 5, be provided with hummer in receptacle 5, special measurement tape 6 is marked with scale, manually magnetic induction gauge head 8 end that is provided with of special measurement tape is put into logical heart sedimentation pipe 2, hold tape to move down lentamente by magnetic induction gauge head 8, when reaching the firm embedded type sedimentation ring burial place in soil layer when magnetic induction gauge head 8, hummer in receiver just can be sounded a buzzer, now manually read the depth dimensions of special measurement tape at the logical heart sedimentation pipe mouth of pipe 7 place, that is to say the distance length of the logical heart sedimentation pipe mouth of pipe of this firm embedded type sedimentation ring distance, by the difference between this length measurements and the measured value of previous time point, namely be the settling amount of this firm embedded type sedimentation ring place soil layer in this time period, the delaminating deposition amount of each soil layer can be measured in this way.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.

Claims (10)

1. a firm embedded type sedimentation ring, comprises a ring sleeve, it is characterized in that: ring sleeve inner tubal wall embeds the magnet circle be provided with for triggering sedimentometer probe magnetic induction part; Ring sleeve outer tube wall is provided with and can outwards launches and can the ejection type anchor of folding and unfolding;
Described ejection type anchor is made up of the elongated keel of rigidity high rigidity, bent tough etching resistant film, torque spring and hinge, the torque spring of ejection type anchor is hinged on hinge, and one end of torque spring holds out against ring sleeve, the other end of torque spring is connected with the elongated keel of rigidity high rigidity; The both sides of bent tough etching resistant film connect ring sleeve and the elongated keel of rigidity high rigidity respectively.
2. firm embedded type sedimentation ring according to claim 1, is characterized in that: the elongated keel of described rigidity high rigidity select elongated steel bar; Described bent tough etching resistant film selects waterproof nylon cloth material.
3. firm embedded type sedimentation ring according to claim 2, is characterized in that: described hinge is preferably small-sized hinge structure.
4. firm embedded type sedimentation ring according to claim 1, is characterized in that: ring sleeve outer tube wall is provided with four ejection type anchors.
5. firm embedded type sedimentation ring according to claim 1, is characterized in that: be windmill after the ejection type anchor of firm embedded type sedimentation ring launches and launches.
6. the using method of firm embedded type sedimentation ring as claimed in claim 1, is characterized in that:
Firm embedded type sedimentation ring set is located in logical heart sedimentation pipe, the ejection type anchor of firm embedded type sedimentation ring is turned up and fastens on the sidewall of logical heart sedimentation pipe by water-soluble Paper adhesive tape;
Then the logical heart sedimentation pipe being set with firm embedded type sedimentation ring is vertically imbedded in tested soil layer;
Water-soluble Paper adhesive tape is by after water-solubleization in soil layer, the tension force of torque spring makes the elongated keel of rigidity high rigidity launch, the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film horizontal cross launch and cut in tested soil layer while launching, the pressure produced during tested solum settlement makes the elongated keel of rigidity high rigidity and bent tough etching resistant film also with the synchronous sedimentation of tested soil layer, thus makes firm embedded type sedimentation ring with the synchronous sedimentation of tested soil layer.
7. utilize the soil body delaminating deposition amount monitoring system of the firm embedded type sedimentation ring described in claim 1, it is characterized in that: comprise firm embedded type sedimentation ring, logical heart sedimentation pipe, conduit seal head, tubes connection ring and special measurement tape, firm embedded type sedimentation ring set is located in logical heart sedimentation pipe, logical heart sedimentation pipe is stitched together by tubes connection ring, and the lowermost end mouth of logical heart sedimentation pipe arranges pig tail catheter seal head; One end of described special measurement tape is provided with magnetic induction gauge head, and the other end of special measurement tape is provided with receiver, and connected by the signal wire be attached on tape between magnetic induction gauge head and receiver, special measurement tape is marked with scale.
8. soil body delaminating deposition amount monitoring system according to claim 7, is characterized in that: be provided with hummer in receiver.
9. the using method of soil body delaminating deposition amount monitoring system as claimed in claim 7, is characterized in that, carry out as follows:
Step one: the ejection type anchor of firm embedded type sedimentation ring is turned up and fastens on the sidewall of logical heart sedimentation pipe by water-soluble Paper adhesive tape;
Step 2: formation is carried out punching and vertically imbedded in stratum by the logical heart sedimentation pipe being set with firm embedded type sedimentation ring;
Step 3: water-soluble Paper adhesive tape is by after water-solubleization in soil layer, the tension force of torque spring makes the elongated keel of rigidity high rigidity launch, and the elongated keel of rigidity high rigidity drive coupled bent tough etching resistant film launch and firmly embed in tested soil layer while launching;
Step 4: utilize special measurement tape to measure solum settlement situation.
10. the using method of soil body delaminating deposition amount monitoring system according to claim 9, it is characterized in that: in step 4, manually the magnetic induction gauge head end of special measurement tape is put into logical heart sedimentation pipe, hold tape to move down lentamente by magnetic induction gauge head, when reaching the firm embedded type sedimentation ring burial place in soil layer when magnetic induction gauge head, hummer in receiver just can be sounded a buzzer, now manually read the depth dimensions of special measurement tape at logical heart sedimentation pipe mouth of pipe place, that is to say the distance length of the logical heart sedimentation pipe mouth of pipe of this firm embedded type sedimentation ring distance, by the difference between this length measurements and the measured value of previous time point, namely be the settling amount of this firm embedded type sedimentation ring place soil layer in this time period.
CN201510520550.0A 2015-08-21 2015-08-21 Firm embedded type sedimentation ring and soil body delaminating deposition amount monitoring system Active CN105136110B (en)

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CN201810119515.1A CN108981654B (en) 2015-08-21 2015-08-21 Use method of stable embedded settling ring
CN201810117997.7A CN108413928B (en) 2015-08-21 2015-08-21 Soil body layering settlement monitoring system

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