CN206554136U - Pile tube beam test device - Google Patents
Pile tube beam test device Download PDFInfo
- Publication number
- CN206554136U CN206554136U CN201720260925.9U CN201720260925U CN206554136U CN 206554136 U CN206554136 U CN 206554136U CN 201720260925 U CN201720260925 U CN 201720260925U CN 206554136 U CN206554136 U CN 206554136U
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- pile tube
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Abstract
The utility model belongs to detection device technical field, is related to a kind of pile tube beam test device.Including frame and positioned at the base of bottom of the frame, in frame top provided with detection oil cylinder, the sense channel for being used for wearing pile tube to be detected is provided with frame, and the output end of detection oil cylinder is towards connecting pressure sensor after base, pressure sensor is connected with stress frame, a first pile tube support frame mechanism that can be moved along the axial reciprocating of base is respectively equipped with base and positioned at the both sides of frame, first pile tube support frame mechanism includes the first support frame and the regulation oil cylinder being horizontally set on base, the output shaft for adjusting oil cylinder connects the first support frame, it is sequentially provided with the first support frame and from top to bottom the first supporting plate and the first location-plate, it can make the first height adjustment mechanism that the first supporting plate is vertically moved back and forth provided with one between the first supporting plate and the first location-plate.The utility model is good with adaptive, easy to adjust, easy to use.
Description
Technical field
The utility model belongs to detection device technical field, is related to a kind of pressure-detecting device, more particularly, to one kind pipe
Stake beam test device.
Background technology
Prestressed concrete pipe pile adapt to it is wide, suitable for industry with civil buildings embedded footing on piles, low capped pile foundation plinth, railway, highway with
The engineering foundations such as bridge, harbour, harbour, water conservancy, municipal administration, structures and large scale equipment.The pile tube commonly used in current engineering, length
Between 8-25 meters, external diameter is usuallyAndDeng, due to its use it is important
Property, thus using preceding need to pile tube carry out beam test, to ensure that pile tube reaches use requirement, it is to avoid to the wealth of the people
Production and personal safety are damaged.
Existing concrete pipe pile antibending experimental rig mainly has two kinds：It is a kind of be by fixed with ground pedestal, holding force
Framework, jack, Special running composition, prefabricated pile sample are transported to the place for being provided with fixed test platform, existed using walking
Sample piece is lifted on monitor station by the driving on trapped orbit, and monitor station is fixed immovable, being pressurizeed to test specimen thousand
Jin top counter-force passes to pedestal by holding force framework, and pedestal is fixedly connected with the ground to form counter force system；Another is the former
On the basis of utility model folding type mobile precast pile mechanical performance detecting bench, although be the structure of packaged type, but its
Volume is big, it is necessary to which using crane gear ability entrucking, flexibility is poor.Two kinds of above-mentioned pile tube experimental rigs, are present with suitable
Property difference technical problem, how to obtain a kind of beam test device good, easy to use with adaptive, be that people constantly explore needs
The technical problem of solution.
Pile tube bending resistance detection method is as follows：The first step：By the differential by zero loading to ring cross-section of ring cross-section 20%
80%, the duration of every grade of load is no less than 1min；Then by the differential continuation loading of ring cross-section 10% to ring cross-section
100%.The duration of every grade of load is no less than 3min, has seen whether crack appearance, and determine and record fracture width.
Second step：If occurring crack, off-load to zero in the 100% of ring cross-section；If not occurring crack, by ring cross-section
10% differential continuation loading to crack occurs.The duration of every grade of load is no less than 3min, determines and record fracture width.
3rd step：3min is no less than between the quiet stopping time after crack moment of flexure off-load to zero.4th step：By the differential by zero of ultimate bending moment 20%
After loading to the 80% of ultimate bending moment, by the differential continuation loading of ultimate bending moment 5% to the 100% of ultimate bending moment.Check whether
Collapse state has been reached, has such as not up to been destroyed, loading should be continued untill destruction.The duration of every grade of load is no less than
3min, is determined and record fracture width.
Chinese patent literature discloses a kind of multi-functional prestressed concrete pipe pile antibending shear resistance system [application number：
201410804580.X], including：It is sequentially installed with from top to bottom in left connecting rod and right connecting rod, the left connecting rod and right connecting rod anti-
Power beam, distribution beam and counter-force box beam, are provided with jack between the reaction beam and distribution beam, the power of the returning box beam and point
It is provided between dosage on bearing, the bearing and prestressed concrete pipe pile is installed.By the above-mentioned means, this it is multi-functional it is pre- should
Power concrete pipe pile antibending shear resistance system, it is possible to increase test efficiency, package unit can rotate, changes sample without dismounting,
It is simple to operate, it is easy to use, improve security.However, the device is when detecting the pile tube of different length, it is impossible to adjusted in real time
It is whole, namely the device can only the detection with the pile tube for fitting same length.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of pile tube beam test device.
To reach above-mentioned purpose, the utility model employs following technical proposal：A kind of pile tube beam test device, including
Frame and the base positioned at bottom of the frame, in frame top provided with detection oil cylinder, described frame is interior to be provided with to be checked for wearing
The sense channel of the pile tube of survey, and detection oil cylinder output end towards connecting pressure sensor, described pressure sensing after base
Device is connected with stress frame, described base and is respectively equipped with one positioned at the both sides of frame and can be moved along the axial reciprocating of base
The first dynamic pile tube support frame mechanism, the first described pile tube support frame mechanism includes the first support frame and is horizontally set on base
On regulation oil cylinder, the output shaft of described regulation oil cylinder connects the first support frame, in the first support frame and from top to bottom according to
It is secondary to be provided with the first supporting plate and the first location-plate, it can make the first support provided with one between the first supporting plate and the first location-plate
The first height adjustment mechanism that plate is vertically moved back and forth.
Preferably, the first described height adjustment mechanism includes the first screw mandrel being fixedly connected with the first supporting plate, first
Location-plate is fixedly connected with the first support frame, and the first adjusting nut is bolted with outside the first screw mandrel and the first adjusting nut is pressed on
On one location-plate.
Preferably, the first described adjusting nut is rotated provided with first and is provided with the top of handle, the first described supporting plate
The deep-slotted chip breaker matched with the outer surface of pile tube, the lower surface of described stress frame is removably provided with some and pile tube outer surface
The cushion block matched.
Preferably, described base is provided with frame connecting seat, and described frame is removably connected with frame connecting seat,
Regulation oil cylinder is fixed on frame connecting seat and in horizontally disposed.
Preferably, on described base and it is respectively equipped with one along the both sides of frame and can be moved along the axial reciprocating of base
The second pile tube support frame mechanism.
Preferably, the second described pile tube support frame mechanism includes the Mobile base being located in base and is fixed on Mobile base
The second support frame, Mobile base is slidably connected with base, in addition to the regulation motor in base and regulation motor passes through water
Average shifting component connection Mobile base.
Preferably, the second described pile tube support frame mechanism also includes what is be located in the second support frame and set from top to bottom
Second supporting plate and the second location-plate, can make the second supporting plate edge perpendicular between the second supporting plate and the second location-plate provided with one
Nogata is to the second height adjustment mechanism moved back and forth.
Preferably, the second described height adjustment mechanism includes the second screw mandrel being fixedly connected with the second supporting plate, second
Location-plate is fixedly connected with the second support frame, and the second adjusting nut is bolted with outside the second screw mandrel and the second adjusting nut is pressed on
On two location-plates.
Preferably, the second described adjusting nut rotates handle provided with second, described horizontal translation component include with
The translation screw mandrel of the output shaft connection of regulation motor, described translation screw mandrel is spirally connected with Mobile base.
Preferably, described horizontal translation component also includes the feed screw nut being fixed in described Mobile base, screw mandrel spiral shell
It is female to be spirally connected with translation screw mandrel.Described feed screw nut at least two.
Compared with prior art, the utility model has the advantage of：
1st, it is reasonable in design, it is simple in construction, by adjusting the support zone to pile tube, energy in the horizontal direction and on vertical direction
Enough coordinate the pile tube of different length, and it is easy to adjust reliable, especially the level height to pile tube is easy to adjust, so as to obtain standard
True bending resistance data, testing result is reliable.
2nd, experimental rig is telescopically adjustable, and entrucking is convenient, is readily transported, easy to use.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is provided；
Fig. 2 is the internal structure schematic diagram that the utility model is provided.
In figure, frame 1, base 2, detection oil cylinder 3, sense channel 4, pressure sensor 5, the first pile tube support frame mechanism 6,
First support frame 7, regulation oil cylinder 8, the first supporting plate 9, the first location-plate 10, the first height adjustment mechanism 11, the first screw mandrel 12,
First adjusting nut 13, lock nut 13a, first rotate handle 14, deep-slotted chip breaker 15, stress frame 16, cushion block 17, frame connecting seat
18th, latch 18a, the second pile tube support frame mechanism 19, Mobile base 20, the second support frame 21, regulation motor 22, horizontal translation component
23rd, the second supporting plate 24, the second location-plate 25, the second height adjustment mechanism 26, the second screw mandrel 27, the second adjusting nut 28,
Two rotate handle 29, translation screw mandrel 30, feed screw nut 31, pile tube 100.
Embodiment
As shown in Figure 1-2, a kind of pile tube beam test device, including frame 1 and the base 2 positioned at the bottom of frame 1, in machine
The top of frame 1 is provided with detection oil cylinder 3, and described frame 1 is interior to be provided with the sense channel 4 for being used for wearing pile tube 100 to be detected, and inspection
The output end of oil cylinder 3 is surveyed towards connection pressure sensor 5 after base 2, pressure sensor 5 is used to detect pressure, described pressure
Sensor 5 is connected with stress frame 16, described base 2 and is respectively equipped with one positioned at the both sides of frame 1 can be along base 2
First pile tube support frame mechanism 6 of axial reciprocating movement, described the first pile tube support frame mechanism 6 include the first support frame 7 and
The regulation oil cylinder 8 on base 2 is horizontally set on, the output shaft of described regulation oil cylinder 8 connects the first support frame 7, at first
Support 7 is interior and is sequentially provided with the first supporting plate 9 and the first location-plate 10 from top to bottom, in the first supporting plate 9 and the first location-plate
It can make the first height adjustment mechanism 11 that the first supporting plate 9 is vertically moved back and forth provided with one between 10.
In the present embodiment, the first supporting plate 9 on the first pile tube support frame mechanism 6 can be in the first height adjustment mechanism 11
Effect is lower to be lifted, so that the height on vertical direction is adjusted, and adjusting oil cylinder 8 can drive the first support frame 7 to move in the horizontal direction
It is dynamic, so as to adjust the position of the first support frame 7 in the horizontal direction, that is, the first pile tube support frame mechanism 6 in vertical direction and
Position in horizontal direction can adjust, so as to the pile tube 100 with suitable different length.
In the present embodiment, when pile tube 100 is pressed in the first supporting plate 9, the detection driving of oil cylinder 3 stress frame 16 pushes down pipe
Stake, is further continued for applying pressure to and appraises and decides value (appraising and deciding value directly to read from pressure sensor 5), kept for certain time, such as pile tube 100
Do not bend or be broken, then it is qualified to be considered as.
First height adjustment mechanism 11 can be the lifting bodies such as oil cylinder or jack, when oil cylinder or jack are pressed on
On one location-plate 10, when between the first supporting plate 9 and the first location-plate 10, the first supporting plate 9 can be played jacking and
Decline is acted on.
In the present embodiment, the first height adjustment mechanism 11 includes the first screw mandrel 12 being fixedly connected with the first supporting plate 9,
First location-plate 10 is fixedly connected with the first support frame 7, and the first adjusting nut 13 and the first regulation are bolted with outside the first screw mandrel 12
Nut 13 is pressed on the first location-plate 10.First screw mandrel 12 is inserted into the first location-plate 10, rotates the first adjusting nut 13
Depth that the first screw mandrel 12 is inserted into the first location-plate 10 can be changed to change the height of the first supporting plate 9.
First adjusting nut 13 rotates handle 14 provided with first, and the described top of the first supporting plate 9 is provided with and pile tube 100
The deep-slotted chip breaker 15 that matches of outer surface so that pile tube 100 is fitted with the first supporting plate.
The cushion blocks 17 that the lower surface of described stress frame 16 removably matches provided with some and outer surface of pile tube 100,
Deep-slotted chip breaker also is provided with cushion block 17, is fitted with pile tube 100, coordinates the pile tube 100 of different size, different cushion blocks can be used
17, it is ensured that fitted with the surface of pile tube 100, the accuracy to pressure is guaranteed.
As a kind of preferred scheme, the insurance spiral shell being screwed onto on the first screw mandrel 12 is additionally provided with the first adjusting nut 13
Female 13a, when the first adjusting nut 13 will be rotated up, first unscrews lock nut 13a, when the first adjusting nut 13 rotate in place
Afterwards, by lock nut 13a turn to the first adjusting nut 13a and tight, so that the first adjusting nut 13 be locked.When the first tune
When section nut 13 will be rotated down, correct position is directly turned to, lock nut 13a and the first adjusting nut 13 is then rotated further by
And it is tight.
Base 2 is provided with frame connecting seat 18, and described frame 1 and frame connecting seat 18 is dismountable by latch 18a
Connection, regulation oil cylinder 8 is fixed on frame connecting seat 18 and in horizontally disposed.That is, the frame 1 of the present embodiment can be dismantled,
In the detection process of pile tube 100, frame 1 can be first removed, pile tube 100 is hung etc. with row after instrument is placed on base 2, then is pacified
Installation frame 1, this have the advantage that, the shock of pile tube 100 frame 1 in hoisting process can be avoided to cause the damage to frame 1.
Likewise, after the completion of detection, can first remove frame 1, then remove pile tube 100.
As described above, the position of the first pile tube support frame mechanism 6 in the horizontal direction is adjusted by adjusting oil cylinder 8, but
The scope of regulation is limited after all, another task of the present embodiment be how further to improve detection match somebody with somebody adaptive, so as to coordinate
The detection of the longer pile tube 100 of length.As shown in figure 1, on base 2 and be respectively equipped with one along the both sides of frame 1 can be the bottom of along
Second pile tube support frame mechanism 19 of the axial reciprocating movement of seat 2.
Second pile tube support frame mechanism 19 also includes being located at the second support set in the second support frame 21 and from top to bottom
The location-plate 25 of plate 24 and second, can make the edge of the second supporting plate 24 between the second supporting plate 24 and the second location-plate 25 provided with one
The second height adjustment mechanism 26 that vertical direction is moved back and forth.
When needing to detect the longer pile tube of length, the second height adjustment mechanism 26 adjusts the height of the second supporting plate 24,
Pile tube 100 is pressed in the second supporting plate 24, and makes the first support by the first supporting plate 9 of the first height adjustment mechanism 11 regulation
Plate 9 departs from pile tube 100.
The second pile tube support frame mechanism 19 of the present embodiment realized by regulation motor 22, specifically, second
Pile tube support frame mechanism 19 includes the Mobile base 20 being located in base 2 and the second support frame 21 being fixed on Mobile base 20, moves
Dynamic seat 20 can be pressed on base 2 by guide rail or pulley, realize that Mobile base 20 is slidably connected with base 2, in addition to the bottom of positioned at
Regulation motor 22 and regulation motor 22 in seat 2 connect Mobile base 20 by horizontal translation component 23.
Horizontal translation component 23 includes the translation screw mandrel 30 being connected with the output shaft of regulation motor 22, described translation screw mandrel
30 are spirally connected with Mobile base 20.The driving translation screw mandrel 30 of regulation motor 22 is rotated, so that the horizontal level of Mobile base 20 is adjusted, namely
As set screw on Mobile base 20, translation screw mandrel 30 directly can be spirally connected with Mobile base 20.
Preferred scheme, horizontal translation component 23 also includes the feed screw nut 31 being fixed in described Mobile base 20, screw mandrel
Nut 31 is spirally connected with translation screw mandrel 30.Described feed screw nut 31 at least two, plays a part of stable be spirally connected.
Second height adjustment mechanism 26 includes the second screw mandrel 27 being fixedly connected with the second supporting plate 24, the second location-plate 25
It is fixedly connected with the second support frame 21, is bolted with the second adjusting nut 28 outside the second screw mandrel 27 and the second adjusting nut 28 is pressed on
On second location-plate 25.Second adjusting nut 28 rotates handle 29 provided with second,
The operation principle of the present embodiment is：
Stress frame 16 pushes down the upper surface of pile tube 100, and detection oil cylinder 3 applies pressure, and pressure sensor 5 carries out pressure reading,
The pile tube 100 of two lengths of fit of the first pile tube support frame mechanism 6 shorter (length 8-15m pile tube) carries out bending resistance detection,
I.e. pile tube 100 is pressed on the first supporting plate 9 of two the first pile tube support frame mechanisms 6, and the first support frame 7 plays a supportive role.It is logical
Crossing the first adjusting nut 13 of adjustment makes the highly consistent of two piece of first supporting plate 9, and testing result is reliable.
Pile tube is supported, it is necessary to employ the second pile tube support frame mechanism 19 when the length of pile tube 100 is more than 15m,
And the first pile tube support frame mechanism 6 needs to depart from pile tube, position of the second pile tube support frame mechanism 19 in level passes through regulation
The driving of motor 22 translation screw mandrel 30 is so that Mobile base 20 moves to realize, the adjustable range for translating screw mandrel 30 is larger, to movement
The moving range of seat 20 has adjustment space by a relatively large margin.
The utility model has the advantage of：It is reasonable in design, it is simple in construction, by adjusting in the horizontal direction and on vertical direction
To the support zone of pile tube, the pile tube of different length can be coordinated, and easy to adjust reliable, especially the level height to pile tube
Easy to adjust, so as to obtain accurate bending resistance data, testing result is reliable.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used frame 1, base 2, detection oil cylinder 3, sense channel 4, pressure sensor 5, first herein
Pile tube support frame mechanism 6, the first support frame 7, regulation oil cylinder 8, the first supporting plate 9, first location-plate the 10, first height regulation machine
Structure 11, the first screw mandrel 12, the first adjusting nut 13, lock nut 13a, first rotate handle 14, deep-slotted chip breaker 15, stress frame 16,
Cushion block 17, frame connecting seat 18, latch 18a, the second pile tube support frame mechanism 19, Mobile base 20, the second support frame 21, regulation electricity
Machine 22, horizontal translation component 23, the second supporting plate 24, the second location-plate 25, the second height adjustment mechanism 26, the second screw mandrel 27,
Second adjusting nut 28, second rotates the terms such as handle 29, translation screw mandrel 30, feed screw nut 31, pile tube 100, but is not precluded from
Use the possibility of other terms.It is used for the purpose of more easily describing and explaining of the present utility model using these terms
Matter；Any additional limitation is construed as all to disagree with the utility model spirit.
Claims (10)
1. a kind of pile tube beam test device, including frame (1) and the base (2) positioned at frame (1) bottom, on frame (1) top
Portion is provided with detection oil cylinder (3), and described frame (1) is interior to be provided with the sense channel (4) for being used for wearing pile tube (100) to be detected,
And the output end of detection oil cylinder (3) connects pressure sensor (5) afterwards towards base (2), it is characterised in that described pressure sensing
Device (5) is connected with stress frame (16), described base (2) and is respectively equipped with one positioned at the both sides of frame (1) can be the bottom of along
First pile tube support frame mechanism (6) of the axial reciprocating movement of seat (2), described the first pile tube support frame mechanism (6) includes the
One support frame (7) and the regulation oil cylinder (8) being horizontally set on base (2), the output shaft connection of described regulation oil cylinder (8) the
One support frame (7), is sequentially provided with the first support frame (7) and from top to bottom the first supporting plate (9) and the first location-plate (10),
It can make the first supporting plate (9) is vertically reciprocal to move provided with one between the first supporting plate (9) and the first location-plate (10)
Dynamic the first height adjustment mechanism (11).
2. pile tube beam test device according to claim 1, it is characterised in that the first described height adjustment mechanism
(11) the first screw mandrel (12) being fixedly connected with the first supporting plate (9) is included, the first location-plate (10) is solid with the first support frame (7)
The first adjusting nut (13) is bolted with outside fixed connection, the first screw mandrel (12) and the first adjusting nut (13) is pressed on the first location-plate
(10) on.
3. pile tube beam test device according to claim 2, it is characterised in that on described the first adjusting nut (13)
Rotated provided with first and be provided with the arc matched with the outer surface of pile tube (100) at the top of handle (14), described the first supporting plate (9)
Shape groove (15), the lower surface of described stress frame (16) is removably provided with some pads matched with pile tube (100) outer surface
Block (17).
4. pile tube beam test device according to claim 1, it is characterised in that described base (2) is provided with frame
Connecting seat (18), described frame (1) is removably connected with frame connecting seat (18), and regulation oil cylinder (8) is fixed on frame company
On joint chair (18) and in horizontally disposed.
5. pile tube beam test device according to claim 1, it is characterised in that on described base (2) and along frame
(1) both sides are respectively equipped with a second pile tube support frame mechanism (19) that can be moved along the axial reciprocating of base (2).
6. pile tube beam test device according to claim 5, it is characterised in that the second described pile tube support frame mechanism
(19) Mobile base (20) being located in base (2) and the second support frame (21) being fixed on Mobile base (20), Mobile base are included
(20) it is slidably connected with base (2), in addition to the regulation motor (22) in base (2) and regulation motor (22) passes through level
Translate component (23) connection Mobile base (20).
7. pile tube beam test device according to claim 6, it is characterised in that the second described pile tube support frame mechanism
(19) also include being located at the second supporting plate (24) and the second location-plate (25) set in the second support frame (21) and from top to bottom,
Provided with one the second supporting plate (24) can be made vertically reciprocal between the second supporting plate (24) and the second location-plate (25)
Mobile the second height adjustment mechanism (26).
8. pile tube beam test device according to claim 7, it is characterised in that the second described height adjustment mechanism
(26) the second screw mandrel (27) being fixedly connected with the second supporting plate (24), the second location-plate (25) and the second support frame (21) are included
It is fixedly connected, is bolted with the second adjusting nut (28) outside the second screw mandrel (27) and the second adjusting nut (28) is pressed on the second positioning
On plate (25).
9. pile tube beam test device according to claim 8, it is characterised in that on described the second adjusting nut (28)
Handle (29) is rotated provided with second, described horizontal translation component (23) is flat including what is be connected with the output shaft of regulation motor (22)
Silk shifting rod (30), described translation screw mandrel (30) is spirally connected with Mobile base (20).
10. pile tube beam test device according to claim 9, it is characterised in that described horizontal translation component (23)
Also include the feed screw nut (31) being fixed in described Mobile base (20), feed screw nut (31) is spirally connected with translation screw mandrel (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260925.9U CN206554136U (en) | 2017-03-16 | 2017-03-16 | Pile tube beam test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260925.9U CN206554136U (en) | 2017-03-16 | 2017-03-16 | Pile tube beam test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554136U true CN206554136U (en) | 2017-10-13 |
Family
ID=60364756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720260925.9U Withdrawn - After Issue CN206554136U (en) | 2017-03-16 | 2017-03-16 | Pile tube beam test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206554136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703089A (en) * | 2017-03-16 | 2017-05-24 | 宁波大学 | Bending resistance experiment device for tubular piles |
| CN109898568A (en) * | 2019-03-28 | 2019-06-18 | 华侨大学 | A kind of unsafe bridge demolition blasting pulls down safety prediction method to surrounding buildings pile foundation |
| CN111719600A (en) * | 2020-06-17 | 2020-09-29 | 镇江市丹徒区建筑工程质量检测中心 | Foundation pile bending resistance detection test device |
-
2017
- 2017-03-16 CN CN201720260925.9U patent/CN206554136U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703089A (en) * | 2017-03-16 | 2017-05-24 | 宁波大学 | Bending resistance experiment device for tubular piles |
| CN106703089B (en) * | 2017-03-16 | 2018-08-14 | 宁波大学 | Pile pile beam test device |
| CN109898568A (en) * | 2019-03-28 | 2019-06-18 | 华侨大学 | A kind of unsafe bridge demolition blasting pulls down safety prediction method to surrounding buildings pile foundation |
| CN111719600A (en) * | 2020-06-17 | 2020-09-29 | 镇江市丹徒区建筑工程质量检测中心 | Foundation pile bending resistance detection test device |
| CN111719600B (en) * | 2020-06-17 | 2021-03-02 | 镇江市丹徒区建筑工程质量检测中心 | Foundation pile bending resistance detection test device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20180814 |