CN206308721U - Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor - Google Patents

Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor Download PDF

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Publication number
CN206308721U
CN206308721U CN201621436436.6U CN201621436436U CN206308721U CN 206308721 U CN206308721 U CN 206308721U CN 201621436436 U CN201621436436 U CN 201621436436U CN 206308721 U CN206308721 U CN 206308721U
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China
Prior art keywords
pile
sensor
prestressed pipe
hole
protectiveness
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CN201621436436.6U
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Chinese (zh)
Inventor
秋仁东
高文生
刘金波
盛志强
万征
李翔宇
郑文华
郭金雪
刘民易
孙威
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JIANYAN FOUNDATION ENGINEERING LLC
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JIANYAN FOUNDATION ENGINEERING LLC
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Priority to CN201621436436.6U priority Critical patent/CN206308721U/en
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Abstract

The utility model provides a kind of more piece pile for prestressed pipe Internal forces measuring system for laying wired sensor, including pile for prestressed pipe, protectiveness hole, data wire, data line groove, sensor recess and more than one wired sensor;Data wire in this section pile for prestressed pipe positioned at the wired sensor of end is drawn joint and is incorporated into the cavity of pile for prestressed pipe by the protectiveness hole.Advantage is:The utility model can well protect the data wire and test device of test device in itself, it is to avoid test device and data line are destroyed, significantly improve the integrality and authenticity of data acquisition;The utility model is that site operation and engineering pile internal force test provide facility.

Description

Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor
Technical field
The utility model belongs to pile foundation engineering technique field, and in particular to a kind of more piece prestressing force of laying wired sensor Force measuring system in tubular pile body.
Background technology
Prestressed high-strength concrete pile, abbreviation PHC pile tubes, with pile quality reliability, high capacity, speed of application Hurry up, short time limit the advantages of, be now widely used in various engineerings.
Because technical research, engineering design need, test device is often laid at PHC, test its internal force, deformation, analyze it Working condition.It is limited to equipment research and development technology level, conventional test device is generally wired test device, for example, fiber grating Sensor etc..Various data wire is engineering construction, especially tubular pile splicing, injection is made troubles;Further, since data wire is anti- Model measure is not enough, the destroyed phenomenon of data wire also often occurs.
Utility model content
For the defect that prior art is present, the utility model provides a kind of more piece prestressed pipe for laying wired sensor Stake Internal forces measuring system, can effectively solve the above problems.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of more piece pile for prestressed pipe Internal forces measuring system for laying wired sensor, including Pile for prestressed pipe, protectiveness hole, data wire, data line groove, sensor recess and more than one wired sensor;
The data line groove is opened up along the axial side line of the pile for prestressed pipe;In the sensor of the data line groove Layout points position further opens up the sensor recess;Wherein, the width and depth of the sensor recess are all higher than the number According to the width and depth of line groove;The protectiveness hole is opened up in the end of the pile for prestressed pipe;Wherein, the protectiveness hole Cavity with the pile for prestressed pipe is connected, and the axial direction in the protectiveness hole is axially vertical with the pile for prestressed pipe;
Each described wired sensor is connected by the data wire;Each described wired sensor is placed into corresponding In the sensor recess, the data wire is set to be placed in the corresponding data line groove;In addition, making this section pile for prestressed pipe In be located at end the data wire of wired sensor draw joint the chamber of pile for prestressed pipe be incorporated into by the protectiveness hole In body;
The data line groove for having placed data wire and the sensor recess for having placed wired sensor are close by casting glue Envelope injection.
Preferably, the protectiveness hole is through pile tube side concrete and then connection pile tube along pile tube cross-sectional direction The through hole of internal diameter and external diameter.
Preferably, the wired sensor is fiber-optic grating sensor.
The utility model provide laying wired sensor more piece pile for prestressed pipe Internal forces measuring system have with Lower advantage:
The utility model can protect well test device data wire and test device in itself, it is to avoid test device and Data wire is destroyed, and significantly improves the integrality and authenticity of data acquisition;The utility model is site operation and engineering pile Internal force test provides facility.
Brief description of the drawings
The more piece pile for prestressed pipe Internal forces measuring system of the laying wired sensor that Fig. 1 is provided for the utility model It is longitudinally arranged schematic diagram;
The more piece pile for prestressed pipe Internal forces measuring system of the laying wired sensor that Fig. 2 is provided for the utility model Cross sectional view;
Wherein:1--- pile for prestressed pipe, 2--- protectiveness hole, 3--- data wires, 4--- data line grooves, 5--- embeddings Glue, 6--- end plates, 7--- pile protection hoops.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved become more apparent, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.
With reference to Fig. 1 and Fig. 2, the utility model provides a kind of more piece pile for prestressed pipe Internal forces for laying wired sensor Measuring system, including pile for prestressed pipe, protectiveness hole, data wire, data line groove, sensor recess and more than one is wired Sensor;
Data line groove is opened up along the axial side line of pile for prestressed pipe;Enter one in the sensor arrangement point position of data line groove Step opens up sensor recess;Wherein, the width and depth of sensor recess are all higher than the width and depth of data line groove;Pre- The end of stress pile tube opens up protectiveness hole;Wherein, protectiveness hole connects with the cavity of pile for prestressed pipe, the axial direction in protectiveness hole It is axially vertical with pile for prestressed pipe;I.e.:Protectiveness hole is to run through pile tube side concrete, Jin Erlian along pile tube cross-sectional direction The through hole of siphunculus stake internal diameter and external diameter.
Each wired sensor is connected by data wire;Each wired sensor is placed into corresponding sensor recess In, data wire is placed in corresponding data line groove;In addition, positioned at the wired sensor of end in making this section pile for prestressed pipe Data wire draw joint be incorporated into the cavity of pile for prestressed pipe by protectiveness hole;The data wire for having placed data wire is recessed Groove and the sensor recess of wired sensor is placed and has been sealed by casting glue and be molded.
The wired sensor that the utility model is related to, can be all kinds of measuring apparatus with data line, including but It is not limited to fiber-optic grating sensor.
The more piece pile for prestressed pipe Internal forces measuring system of the laying wired sensor of offer of the present utility model, with certain As a example by pile test project, its work progress mainly includes setting-out --- grooving --- cleaning --- embedding sensor --- optical fiber Exit is protected.
(1) unwrapping wire and fluting
Unwrapping wire:In the stake upper surface snap the line of horizontal positioned, the center line and width of fluting needed for install sensor are marked.
Fluting:The groove that cutting depth is 12mm is indicated along unwrapping wire, it is desirable to which groove bottom is smoothed, with hand-hold shearing unit without prominent rib Angle, slots and forms data line groove herein.
(2) line, grooving modification
The sensor that will be chosen is coupled together in sequence, and is kept flat in stake by projected depth, is marked with marking pen Needs are widened, the position deepened and scope, mainly sensor and fibre-optical splice position.Adjustment notch widens, deepens grooving, shape Into sensor recess.
(3) protectiveness hole is opened
Pipe pile end portion side surface is being closed on, particular location is drilled depending on actual conditions using utensils such as water drillings, and formation is passed through The protectiveness hole in the inside and outside footpath of poling stake;(sensor, data wire, and meeting are buried with pile body groove for pile body surface in protectiveness hole Encapsulation process is done with casting glue etc.) it is connected as a single entity.Protectiveness hole size, position depending on pile tube specification and engineering practice, And pile tube built-in reinforcing bar must not be damaged during bore operation.
(4) clean
With hair-dryer and hairbrush by data line groove, the groove of sensor recess, in protectiveness hole and periphery dust, rubble Bits are removed clean and wiped with cleaning fluid.
The sharp position such as corner angle of concrete at polishing protectiveness hole, in order to avoid cut bad, wear data line.
(5) via
The exposed the end of a thread of sensor data cable is introduced inside pile tube by protectiveness hole, in case tubular pile splicing, applying Data wire is damaged when beating, and is that construction and pile tube internal force test provide convenience.
(6) embedding sensor
Sensing survey line is placed in the sensor recess for cutting, sensor is positioned in sensor recess.
Connection (FBG) demodulator carries out a data test.It is with the good casting glue of situ configuration that the grooving for being placed with sensor is complete Full-filling.
The more piece pile for prestressed pipe Internal forces measuring system of the laying wired sensor of offer of the present utility model, has Advantages below:
(1) data wire and sensor are sealed by casting glue, and sensor connector data wire is incorporated into by protectiveness hole Stake is internal, so as to be effectively protected data wire and sensor, it is to avoid sensor data cable is exposed outside pile body, because pile body is applied Beat, the construction operation such as press-in is the drawbacks of cause data wire to damage, significantly improve integrality, the authenticity of data acquisition.
(2) for the construction such as pile tube lifting, pile extension, injection is provided convenience condition, and be conducive to saving the duration.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching should also regard protection domain of the present utility model.

Claims (3)

1. it is a kind of lay wired sensor more piece pile for prestressed pipe Internal forces measuring system, it is characterised in that including in advance should Solenoid stake, protectiveness hole, data wire, data line groove, sensor recess and more than one wired sensor;
The data line groove is opened up along the axial side line of the pile for prestressed pipe;In the sensor arrangement of the data line groove Point position further opens up the sensor recess;Wherein, the width and depth of the sensor recess are all higher than the data wire The width and depth of groove;The protectiveness hole is opened up in the end of the pile for prestressed pipe;Wherein, the protectiveness hole and institute The cavity connection of pile for prestressed pipe is stated, the axial direction in the protectiveness hole is axially vertical with the pile for prestressed pipe;
Each described wired sensor is connected by the data wire;Each described wired sensor is placed into corresponding described In sensor recess, the data wire is set to be placed in the corresponding data line groove;In addition, making this section pile for prestressed pipe middle position In the data wire of the wired sensor of end draws the cavity that joint is incorporated into pile for prestressed pipe by the protectiveness hole;
The data line groove for having placed data wire and the sensor recess for having placed wired sensor are sealed by casting glue and noted Modeling.
2. the more piece pile for prestressed pipe Internal forces measuring system for laying wired sensor according to claim 1, it is special Levy and be, the protectiveness hole is through pile tube side concrete and then to connect pile tube internal diameter and outer along pile tube cross-sectional direction The through hole in footpath.
3. the more piece pile for prestressed pipe Internal forces measuring system for laying wired sensor according to claim 1, it is special Levy and be, the wired sensor is fiber-optic grating sensor.
CN201621436436.6U 2016-12-23 2016-12-23 Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor Active CN206308721U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621436436.6U CN206308721U (en) 2016-12-23 2016-12-23 Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621436436.6U CN206308721U (en) 2016-12-23 2016-12-23 Lay the more piece pile for prestressed pipe Internal forces measuring system of wired sensor

Publications (1)

Publication Number Publication Date
CN206308721U true CN206308721U (en) 2017-07-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107893420A (en) * 2017-11-14 2018-04-10 青岛理工大学 Static pressure pipe pile pile extension sensor conductor moves towards and guard method
CN107938723A (en) * 2017-11-14 2018-04-20 青岛理工大学 Static pressure pipe pile pile extension sensor conductor moves towards and protective device
CN108087029A (en) * 2017-11-16 2018-05-29 长安大学 A kind of measuring point guard method of fiber grating force-measuring locking foot anchor tube
CN110424229A (en) * 2019-08-23 2019-11-08 哈尔滨工业大学 A kind of method for arranging of distributed fiberoptic sensor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107893420A (en) * 2017-11-14 2018-04-10 青岛理工大学 Static pressure pipe pile pile extension sensor conductor moves towards and guard method
CN107938723A (en) * 2017-11-14 2018-04-20 青岛理工大学 Static pressure pipe pile pile extension sensor conductor moves towards and protective device
CN108087029A (en) * 2017-11-16 2018-05-29 长安大学 A kind of measuring point guard method of fiber grating force-measuring locking foot anchor tube
CN108087029B (en) * 2017-11-16 2019-09-20 长安大学 A kind of measuring point guard method of fiber grating force-measuring locking foot anchor tube
CN110424229A (en) * 2019-08-23 2019-11-08 哈尔滨工业大学 A kind of method for arranging of distributed fiberoptic sensor
CN110424229B (en) * 2019-08-23 2021-03-09 哈尔滨工业大学 Arrangement method of distributed optical fiber sensors

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