CN202466651U - Loading device for axial force test of prestressed pipe pile - Google Patents

Loading device for axial force test of prestressed pipe pile Download PDF

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Publication number
CN202466651U
CN202466651U CN2011205580965U CN201120558096U CN202466651U CN 202466651 U CN202466651 U CN 202466651U CN 2011205580965 U CN2011205580965 U CN 2011205580965U CN 201120558096 U CN201120558096 U CN 201120558096U CN 202466651 U CN202466651 U CN 202466651U
Authority
CN
China
Prior art keywords
pile
prestressed pipe
axial force
action plate
loading unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011205580965U
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Chinese (zh)
Inventor
王美华
王卫东
卜昌富
宋青君
马爱民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Construction No 7 Group Co Ltd
East China Architectural Design and Research Institute Co Ltd
Shanghai No 7 Construction Co Ltd
Original Assignee
East China Architectural Design and Research Institute Co Ltd
Shanghai No 7 Construction Co Ltd
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Filing date
Publication date
Application filed by East China Architectural Design and Research Institute Co Ltd, Shanghai No 7 Construction Co Ltd filed Critical East China Architectural Design and Research Institute Co Ltd
Priority to CN2011205580965U priority Critical patent/CN202466651U/en
Application granted granted Critical
Publication of CN202466651U publication Critical patent/CN202466651U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a loading device for an axial force test of a prestressed pipe pile, comprising a jack, a first acting plate, a second acting plate and a plurality of force transfer members, wherein one end of the jack acts on one end of a prestressed pipe pile; the other end of the jack acts on the first acting plate; the second acting plate is connected with the other end of the prestressed pipe pile; and the plurality of force transfer members are connected with the first acting plate and the second acting plate. The loading device for the axial force test of the prestressed pipe pile, provided by the utility model, is characterized in that acting force is applied to one end of the prestressed pipe pile through one end of the jack, while the acting force is applied to the other end of the prestressed pipe pile through force transfer performed by the first acting plate, the force transfer members and the second acting plate; and as the acting forces on two ends of the prestressed pipe pile are same in magnitude and opposite in direction, the axial stress on the prestressed pipe pile is balanced; and therefore, with the loading device for the axial force test of the prestressed pipe pile, provided by the utility model, the safety factor of the members in a testing process is improved.

Description

A kind of pile for prestressed pipe axial force experiment loading unit
Technical field
The utility model relates to construction work basic component field, relates in particular to a kind of pile for prestressed pipe axial force experiment loading unit.
Background technology
Pile quality is good, vertical bearing capacity of single pile is high because of having for prestressed concrete pipe pile, short construction period, industrialization degree high, to advantages such as engineering geological conditions compliance are strong; Since the seventies in 20th century, in engineerings such as China's building, highway, railway, harbour, obtained extensive use.In recent years, along with the development of urban construction, the rise of highrise building, prestressed concrete pipe pile has obtained further applying.
At home, along with the application and the popularization of pile for prestressed pipe, increasing test and research have been carried out.Present stage does not cause enough attention as yet for the phene of pile tube in earthquake and the problem of providing fortification against earthquakes, and China is the country of earthquake more than, and the potential hazard property of earthquake can not be ignored.Considered the supporting capacity when pile tube bears vertical pressurized load in current national and the provincial standard atlas; And pile tube is when bearing horizontal loads; Its anti-side rigidity is little; Often because of the construction wrong accidents such as squinting, fracture that causes pile tube, and the pile tube anti-bending bearing capacity does not also have definite calculation methods at present in engineering.
Prestressed concrete pipe pile is compared the ordinary concrete member; Because axially there is bigger brace pre axial force in it; And need simulate actual project situation during test; Apply very big axial force and lateral force simultaneously,, certainly existing security risk greatly if adopt the bending test device of ordinary concrete member.
Therefore, when prestressed concrete pipe pile carried out the axial force test, how selecting pile for prestressed pipe axial force experiment loading unit was a problem demanding prompt solution with the accuracy and the safety of guarantee test.
The utility model content
The utility model technical problem to be solved has provided a kind of pile for prestressed pipe axial force experiment loading unit, the safety problem when applying the axial force test to solve prestressed concrete pipe pile.
In order to solve the problems of the technologies described above, the technical scheme of the utility model is: a kind of pile for prestressed pipe axial force experiment loading unit is provided, has comprised jack, an end of said jack acts on an end of pile for prestressed pipe; First action plate, the other end of said jack act on said first action plate; Second action plate, said second action plate is connected with the other end of said pile for prestressed pipe; Some Force transmission partses, said some Force transmission partses connect said first action plate and said second action plate.
Further, pile for prestressed pipe axial force experiment loading unit also comprises the power sensor, and said power sensor is arranged between the said jack and first action plate.
Further, said first action plate and said second action plate are steel plate.
Further, be provided with corresponding a plurality of holes on said first action plate and said second action plate.
Further, the quantity of described hole is identical with the quantity of said Force transmission parts.
Further, said Force transmission parts is through being bolted on said first action plate and second action plate.
Further, said Force transmission parts is pull bar or drag-line.
Further, pile for prestressed pipe axial force experiment loading unit also comprises bearing, and said pile for prestressed pipe is arranged on the said bearing.
Further, pile for prestressed pipe axial force experiment loading unit comprises that also spreading load uses steel plate, and the two ends of said pile for prestressed pipe are provided with said diffusion load and use steel plate.
The pile for prestressed pipe axial force experiment loading unit that the utility model provides; One end of pile for prestressed pipe applies active force through an end of jack; The other end of pile for prestressed pipe carries out the power transmission through first action plate, Force transmission parts and second action plate and applies active force; Because the amount of force equal direction that the two ends of pile for prestressed pipe receive is opposite; Therefore pile for prestressed pipe axial force stress balance, utilizes the pile for prestressed pipe axial force experiment loading unit of the utility model to improve the safety factor of member in process of the test.
Description of drawings
Fig. 1 is the cross-sectional view of the pile for prestressed pipe axial force experiment loading unit that provides of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment a kind of pile for prestressed pipe axial force experiment loading unit that the utility model proposes is done further explain.According to following explanation and claims, advantage of the utility model and characteristic will be clearer.What need explanation is, accompanying drawing all adopts the form of simplifying very much and all uses non-ratio accurately, only is used for conveniently, the purpose of aid illustration the utility model embodiment lucidly.
The core concept of the utility model is; The pile for prestressed pipe axial force experiment loading unit that provides; One end of pile for prestressed pipe applies active force through an end of jack; The other end of pile for prestressed pipe carries out the power transmission through first action plate, Force transmission parts and second action plate and applies active force, because the amount of force equal direction that the two ends of pile for prestressed pipe receive is opposite, and pile for prestressed pipe axial force stress balance; Therefore, utilize the pile for prestressed pipe axial force experiment loading unit of the utility model to improve the safety factor of member in process of the test.
Fig. 1 is the cross-sectional view of the pile for prestressed pipe axial force experiment loading unit that provides of the utility model embodiment.With reference to Fig. 1, pile for prestressed pipe axial force experiment loading unit comprises jack 24, and an end of said jack 24 acts on an end of pile for prestressed pipe 21; First action plate 25, the other end of said jack 24 act on said first action plate 25; Second action plate 28, said second action plate 28 is connected with the other end of said pile for prestressed pipe 21; Some Force transmission partses 27, said some Force transmission partses 27 connect said first action plate 25 and said second action plate 28.
Further, pile for prestressed pipe axial force experiment loading unit also comprises power sensor 26, and said power sensor 26 is arranged between the said jack 24 and first action plate 25.Said first action plate and said second action plate are steel plate.Be provided with corresponding a plurality of holes on said first action plate 25 and said second action plate 28, the quantity of described hole is identical with the quantity of said Force transmission parts 27.Said Force transmission parts 27 is fixed on said first action plate 25 and second action plate 28 through bolt 29.
Further, pile for prestressed pipe axial force experiment loading unit also comprises bearing 22, and said pile for prestressed pipe 21 is arranged on the said bearing 22.Pile for prestressed pipe axial force experiment loading unit comprises that also spreading load uses steel plate; The two ends of said pile for prestressed pipe are provided with said diffusion load and use steel plate; The first diffusion load that promptly contacts with jack 24 spreads load with steel plate 23 ' with steel plate 23 and away from second of jack 24, so that it is stressed evenly to be applied to the power at pile for prestressed pipe 21 two ends.
When utilizing pile for prestressed pipe axial force experiment loading unit that pile for prestressed pipe 21 is made an experiment; Earlier pile for prestressed pipe 21 is placed horizontally on the bearing 22; Adjust the position and the direction of said pile for prestressed pipe 21; Utilize an end of jack 24 to apply first axial force to an end of pile for prestressed pipe 21, particularly, an end of jack 24 applies first axial force through the first diffusion load with steel plate 23.
The other end of jack 24 connects first action plate 25; In the present embodiment; Be connected strong sensor 26 between jack 24 and first action plate 25; The size of said first axial force is controlled through power sensor 26, and the other end of said jack 24 applies second axial force to first action plate 25, the equal and opposite in direction of said second axial force and said first axial force, in the opposite direction.
Said first action plate 25 extremely is connected said second axial force transmission through Force transmission parts 27 with said Force transmission parts 27 second action plate 28; In the present embodiment, said first action plate 25 is steel plate with said second action plate 28, and Force transmission parts 27 is a drag-line; Be provided with corresponding a plurality of holes on said first action plate 25 and said second action plate 28; Drag-line passes described hole and is fixed on said first action plate 25 and second action plate 28 through bolt 29, and the quantity of described hole is identical with the quantity of said Force transmission parts 27, in the present embodiment; Drag-line has 4; It is fixing that an end of every passes the hole and first action plate 25 of first action plate 25, and the every other end passes fixing with first action plate, the 25 corresponding hole and second action plates 28 of second action plate 28, it should be understood by one skilled in the art that; Said Force transmission parts 27 not only is confined to drag-line, can also be pull bar.
The other end of said pile for prestressed pipe 21 receives said second axial force through said second action plate 28; Particularly; Said second action plate 28 contacts with steel plate 23 ' with the second diffusion load, with steel plate 23 ' second axial force transmission is given the other end of pile for prestressed pipe 21 through the second diffusion load.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.

Claims (9)

1. a pile for prestressed pipe axial force experiment loading unit is characterized in that, comprising:
Jack, an end of said jack acts on an end of pile for prestressed pipe;
First action plate, the other end of said jack act on said first action plate;
Second action plate, said second action plate is connected with the other end of said pile for prestressed pipe;
Some Force transmission partses, said some Force transmission partses connect said first action plate and said second action plate.
2. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that, also comprises the power sensor, and said power sensor is arranged between the said jack and first action plate.
3. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that, said first action plate and said second action plate are steel plate.
4. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that, is provided with corresponding a plurality of holes on said first action plate and said second action plate.
5. pile for prestressed pipe axial force experiment loading unit according to claim 4 is characterized in that the quantity of described hole is identical with the quantity of said Force transmission parts.
6. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that, said Force transmission parts is through being bolted on said first action plate and second action plate.
7. according to each described pile for prestressed pipe axial force experiment loading unit in the claim 1 to 6, it is characterized in that said Force transmission parts is pull bar or drag-line.
8. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that also comprise bearing, said pile for prestressed pipe is arranged on the said bearing.
9. pile for prestressed pipe axial force experiment loading unit according to claim 1 is characterized in that, comprises that also spreading load uses steel plate, and the two ends of said pile for prestressed pipe are provided with said diffusion load and use steel plate.
CN2011205580965U 2011-12-27 2011-12-27 Loading device for axial force test of prestressed pipe pile Expired - Lifetime CN202466651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205580965U CN202466651U (en) 2011-12-27 2011-12-27 Loading device for axial force test of prestressed pipe pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205580965U CN202466651U (en) 2011-12-27 2011-12-27 Loading device for axial force test of prestressed pipe pile

Publications (1)

Publication Number Publication Date
CN202466651U true CN202466651U (en) 2012-10-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205580965U Expired - Lifetime CN202466651U (en) 2011-12-27 2011-12-27 Loading device for axial force test of prestressed pipe pile

Country Status (1)

Country Link
CN (1) CN202466651U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931368A (en) * 2015-07-02 2015-09-23 华东交通大学 Horizontal apparatus for component post seismic test
CN106223372A (en) * 2016-07-27 2016-12-14 太原理工大学 A kind of mechanism of the lateral load that vertical load is converted into stake
CN106223371A (en) * 2016-07-27 2016-12-14 太原理工大学 A kind of mechanism of the scalable lateral load that vertical load is converted into stake

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931368A (en) * 2015-07-02 2015-09-23 华东交通大学 Horizontal apparatus for component post seismic test
CN106223372A (en) * 2016-07-27 2016-12-14 太原理工大学 A kind of mechanism of the lateral load that vertical load is converted into stake
CN106223371A (en) * 2016-07-27 2016-12-14 太原理工大学 A kind of mechanism of the scalable lateral load that vertical load is converted into stake
CN106223371B (en) * 2016-07-27 2018-05-01 太原理工大学 A kind of mechanism for the adjustable lateral load that vertical load is converted into stake
CN106223372B (en) * 2016-07-27 2018-05-11 太原理工大学 A kind of mechanism for the lateral load that vertical load is converted into stake

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Granted publication date: 20121003