CN208333728U - A kind of assembled Model Pile for testing pile shaft force - Google Patents

A kind of assembled Model Pile for testing pile shaft force Download PDF

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Publication number
CN208333728U
CN208333728U CN201721622133.8U CN201721622133U CN208333728U CN 208333728 U CN208333728 U CN 208333728U CN 201721622133 U CN201721622133 U CN 201721622133U CN 208333728 U CN208333728 U CN 208333728U
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China
Prior art keywords
pile
pile body
model
assembled
shaft force
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Expired - Fee Related
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CN201721622133.8U
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Chinese (zh)
Inventor
王博林
晋霞
万冰清
王学磊
刘双
潘刚
李晗
李晓辰
李媛
王钰智
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Lanzhou Jiaotong University
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Lanzhou Jiaotong University
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Priority to CN201721622133.8U priority Critical patent/CN208333728U/en
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Publication of CN208333728U publication Critical patent/CN208333728U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Piles And Underground Anchors (AREA)

Abstract

The utility model discloses a kind of assembled Model Piles for testing pile shaft force, belong to construction engineering technical field, including cushion cap;In cushion cap lower part, installation is connected with model pilework, and the model pilework includes the assembled pile body that top pile body, bottom pile body and installation are connected between top pile body and bottom pile body;It is connected between top pile body, assembled pile body and bottom pile body by the pull pressure sensor that both ends are provided with screw connection structure;Bellows sensor is installed in bottom pile body bottom.The assembled Model Pile of test pile shaft force provided by the utility model, using assembling model pilework, each assembled pile body is connected by the pull pressure sensor with helicitic texture, and accurate Model Pile pile shaft force data can be obtained in directly test;And be easily installed, dismantle and replace, it reduces costs, and substantially reduce the Model Pile test period, is especially advantageous for as geotechnical engineering laboratory test Model Pile.

Description

A kind of assembled Model Pile for testing pile shaft force
Technical field
The utility model belongs to construction engineering technical field, and in particular to a kind of assembled model for testing pile shaft force Stake.
Background technique
Currently, traditional geotechnical engineering indoor model test Model Pile mostly uses armored concrete pre-manufactured model stake or organic Glass bar Model Pile.Since concrete material is limited by the conditions such as matching, conserving, armored concrete pre-manufactured model stake is to system The links requirement for making process is more harsh, so that pile rate is lower, the test period is longer, and extensive production is more difficult; And pile body is disposable prefabricated, it is difficult to be recycled, but also the cost of labor of test, material cost and time cost are excessively high. Perspex bar Model Pile, which is compared for the stake of armored concrete pre-manufactured model, has many advantages, such as that easy to operate, the test period is short, but The two has the shortcomings that common, i.e., both uses traditional strain testing method, i.e., first in concrete (or reinforcing bar) table Face or organic glass surface mount foil gauge obtain the strain value in each section of pile body by connecting strain testing instrument, then lead to It crosses conversion and obtains pile body stress, then calculate pile shaft force and pile side friction.Due to the technique of strain gauge adhesion is more demanding, It is easy the features such as being influenced, cannot reusing by environment, the strain data that this method obtains largely exists Large error, obtained axle power and frictional resistance have a degree of distortion, cannot reaction experiment actual conditions well.Therefore, The indoor model stake of a set of direct test pile shaft force is designed to solve the problems, such as that ineffective carved is simulated in conventional model stake Do not allow to delay.
Summary of the invention
Present invention solves the technical problem that: it in view of the above deficiencies, overcomes the deficiencies of existing technologies, the purpose of this utility model It is to provide the assembled Model Pile that a kind of section directly tests pile shaft force.
Technical solution of the present invention:
A kind of assembled Model Pile for testing pile shaft force, including cushion cap, for placing counterweight, bearing load;In cushion cap Lower part installation is connected with model pilework, and the model pilework includes that top pile body, bottom pile body and installation are connected to top Assembled pile body between pile body and bottom pile body;
Wherein, cushion cap bottom is fixedly connected with top pile body, in order to cushion cap and top pile body and entire Model Pile knot Structure has stable connection relationship;It is recessed that top pile body bottom, assembled pile body both ends and bottom pile body top are provided with screw thread Slot structure is passed between top pile body, assembled pile body and bottom pile body by the pressure that both ends are provided with screw connection structure Sensor is connected;Bellows sensor is installed in bottom pile body bottom.
Preferably, the top pile body, assembled pile body and bottom pile body are Organic glass column.
One specific embodiment of the utility model, the pull pressure sensor are the wireless pull pressure sensor of pillar.
One specific embodiment of the utility model, pile body, assembled pile body and bottom pile body and pressure at top Sensor junction is equipped with hose clamp fixed structure, for further providing for the connective stability of connected model pilework.
One specific embodiment of the utility model, bottom pile body bottom end offer thread groove structure, bellows Sensor is connected through a screw thread mode and is mounted on bottom pile body lower part.
One specific embodiment of the utility model, the cushion cap bottom are provided with circular trough, top pile body top peace In circular trough, connection type is bonding.
One specific embodiment of the utility model, the top pile body, assembled pile body and bottom pile body outside are viscous Normal sand is posted, to increase the pile side friction of Model Pile, can preferably simulate the form of live foundation pile.
Preferably, the bellows sensor is wireless aneroid sensor.
The utility model has the advantages that provided by the utility model is a kind of assembled Model Pile for testing pile shaft force, use can be assembled Formula model pilework, each assembled pile body are connected by the pull pressure sensor with helicitic texture, and directly test can obtain To accurate Model Pile pile shaft force data;And according to the difference of the quantity of assembled pile body structure and length, can be realized The rule setting of pull pressure sensor and irregular setting, to meet the test request of different soil pressure quantity;Meanwhile this reality It is easily installed, dismantles and replaced with the assembled Model Pile of novel offer, reduced costs, and substantially reduce Model Pile test Period is especially advantageous for as geotechnical engineering laboratory test Model Pile.
Detailed description of the invention
Fig. 1 is the assembled Model Pile overall structure diagram that the utility model embodiment 1 tests pile shaft force.
Fig. 2 is the assembled Model Pile disassemblying structure schematic diagram that the utility model embodiment 1 tests pile shaft force.
In figure: 10, cushion cap;21, top pile body;22, assembled pile body;23, bottom pile body;31, pull pressure sensor; 32, wiring;41, bellows sensor;51, hose clamp.
Specific embodiment
To keep the purpose and technical solution of the utility model embodiment clearer, implement below in conjunction with the utility model The attached drawing of example, is clearly and completely described the technical solution of the utility model embodiment.Obviously, described embodiment It is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the embodiments of the present invention, Those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work belongs to practical Novel protected range.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
The meaning of " connection " described in the utility model can be to be directly connected to be also possible between component between component Pass through being indirectly connected with for other components.
The utility model is further described with attached drawing with reference to embodiments, referring to Fig. 1-2.
Embodiment 1:
A kind of assembled Model Pile for testing pile shaft force, as depicted in figs. 1 and 2, including cushion cap 10, for placing weight Code, bearing load;In 10 lower part of cushion cap, installation is connected with model pilework, and the model pilework includes top pile body 21, bottom Portion's pile body 23 and installation are connected to the assembled pile body 22 between top pile body 21 and bottom pile body 23, top stake in the present embodiment Body 21, assembled pile body 22 and bottom pile body 23 are Organic glass column;The quantity of assembled pile body 22 is two in the present embodiment It is a, at the same the size relationship of top pile body 21, assembled pile body 22, bottom pile body 23 in figure do not constitute to itself It limits;
Wherein, 10 bottom of cushion cap offers circular trough, and the internal diameter of circular trough is slightly larger than the outer diameter on 21 top of top pile body, holds Platform 10 is socketed in top 21 top of pile body, by being adhesively fixed;
At top, 21 bottom of pile body, 22 both ends of assembled pile body and 23 both ends of bottom pile body are provided with thread groove structure, Helicitic texture is set i.e. in circular groove, top pile body 21 and assembled pile body 22, assembled pile body 22 between each other, assembled Between pile body 22 and bottom pile body 23, it is connected by the pull pressure sensor 31 that both ends are provided with screw connection structure, this implementation Pull pressure sensor 31 is pillar pull pressure sensor, model ZNLBM pull pressure sensor in example;Pile body 21 and drawing at top On the outside of 31 threaded connection place of pressure sensor, hose clamp 51 is installed;
Wherein, bellows sensor 41 is connected through a screw thread mode and is mounted on 23 lower part of bottom pile body.
In use, being inserted into soil after Model Pile is installed, pull pressure sensor 31 and bellows sensor 41 External device is connected by wiring 32, counterweight is placed on cushion cap, is obtained by pull pressure sensor 31 and bellows sensor 41 Axial force test data;, can be by increase assembled pile body 22 if you need to be adjusted, or change the length of assembled pile body 22, with More accurate test pile shaft force data.
Embodiment 2:
A kind of assembled Model Pile for testing pile shaft force, including cushion cap 10, for placing counterweight, bearing load;It is holding The installation of 10 lower part of platform is connected with model pilework, and the model pilework includes that top pile body 21, bottom pile body 23 and installation connect The assembled pile body 22 between top pile body 21 and bottom pile body 23 is connect, top pile body 21, assembled pile body in the present embodiment 22 and bottom pile body 23 be Organic glass column;The quantity of assembled pile body 22 is three in the present embodiment;
Wherein, 10 bottom of cushion cap offers in circular trough, inside sets internal thread structure, and external screw thread is arranged in pile body 21 top in top Structure, cushion cap 10 are fixedly linked with top pile body 21 by helicitic texture;
At top, 21 bottom of pile body, 22 both ends of assembled pile body and 23 both ends of bottom pile body are provided with thread groove structure, Helicitic texture is set i.e. in circular groove, top pile body 21 and assembled pile body 22, assembled pile body 22 between each other, assembled Between pile body 22 and bottom pile body 23, it is connected by the pull pressure sensor 31 that both ends are provided with screw connection structure, this implementation Pull pressure sensor 31 is wireless pull pressure sensor in example, and concrete model structure is the prior art;
Wherein, bellows sensor 41 is connected through a screw thread mode and is mounted on 23 lower part of bottom pile body;The bellows sensor 41 be wireless aneroid sensor, specific structure and the model prior art.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (8)

1. a kind of assembled Model Pile for testing pile shaft force, including cushion cap, it is characterised in that: in cushion cap lower part, installation is connected with Model pilework, the model pilework include that top pile body, bottom pile body and installation are connected to top pile body and bottom pile body Between assembled pile body;
Wherein, cushion cap bottom is fixedly connected with top pile body;Top pile body bottom end, assembled pile body both ends and bottom pile body upper end It is provided with thread groove structure, both ends are provided with threaded connection knot between top pile body, assembled pile body and bottom pile body The pull pressure sensor of structure is connected;Bellows sensor is installed in bottom pile body bottom.
2. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: the top pile body, Assembled pile body and bottom pile body are Organic glass column.
3. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: the pressure sensing Device is the wireless pull pressure sensor of pillar.
4. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: pile body, dress at top Hose clamp fixed structure is installed with formula pile body and bottom pile body and pull pressure sensor junction.
5. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: the cushion cap bottom is set It is equipped with circular trough, top pile body top is mounted in circular trough, and connection type is bonding.
6. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: the top pile body, Normal sand is pasted on the outside of assembled pile body and bottom pile body.
7. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: bottom pile body bottom End offers thread groove structure, and bellows sensor is connected through a screw thread mode and is mounted on bottom pile body lower part.
8. the assembled Model Pile of test pile shaft force according to claim 1, it is characterised in that: the bellows sensor For wireless aneroid sensor.
CN201721622133.8U 2017-11-27 2017-11-27 A kind of assembled Model Pile for testing pile shaft force Expired - Fee Related CN208333728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721622133.8U CN208333728U (en) 2017-11-27 2017-11-27 A kind of assembled Model Pile for testing pile shaft force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721622133.8U CN208333728U (en) 2017-11-27 2017-11-27 A kind of assembled Model Pile for testing pile shaft force

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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710226A (en) * 2020-06-12 2020-09-25 安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站) Multi-working-condition simulation combination device for low-strain detection of foundation pile
CN112960575A (en) * 2021-01-21 2021-06-15 安徽送变电工程有限公司 Axial compression detection sensor, suspension holding pole and hoisting bearing part
CN112985664A (en) * 2021-01-21 2021-06-18 安徽送变电工程有限公司 Axle load detection method for suspension holding pole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710226A (en) * 2020-06-12 2020-09-25 安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站) Multi-working-condition simulation combination device for low-strain detection of foundation pile
CN112960575A (en) * 2021-01-21 2021-06-15 安徽送变电工程有限公司 Axial compression detection sensor, suspension holding pole and hoisting bearing part
CN112985664A (en) * 2021-01-21 2021-06-18 安徽送变电工程有限公司 Axle load detection method for suspension holding pole
CN112985664B (en) * 2021-01-21 2022-08-26 安徽送变电工程有限公司 Axle load detection method for suspension holding pole
CN112960575B (en) * 2021-01-21 2023-01-24 安徽送变电工程有限公司 Axial compression detection sensor, suspension holding pole and hoisting bearing part

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

Termination date: 20191127

CF01 Termination of patent right due to non-payment of annual fee