CN108411952B - A kind of the detection equipment and detection method of fishing light complementation photovoltaic power generation superelevation pile foundation - Google Patents
A kind of the detection equipment and detection method of fishing light complementation photovoltaic power generation superelevation pile foundation Download PDFInfo
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- CN108411952B CN108411952B CN201810242734.9A CN201810242734A CN108411952B CN 108411952 B CN108411952 B CN 108411952B CN 201810242734 A CN201810242734 A CN 201810242734A CN 108411952 B CN108411952 B CN 108411952B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The present invention is the detection equipment and detection method of a kind of fishing light complementation photovoltaic power generation superelevation pile foundation, belong to the construction auxiliary device and its detection method of photovoltaic power generation, it is characterized in that: a kind of detection equipment of superelevation pile foundation further includes reaction beam and fixture, the reaction beam is welded using I-steel and connecting plate, the fixture includes anchor ear plate, connection otic placode, supporting plate, stiffener plate and bolt hole, and being welded on arc-shaped anchor ear plate has the connection otic placode and supporting plate, stiffener plate in strap bolt hole；A kind of detection method of superelevation pile foundation, static test and pullout tests including test pile,, the static test of test pile its test procedure is as follows: one) preparation, before test: two), three), the pullout tests of test pile, fixture is mainly fixedly mounted on test pile, thrusting action power is applied to complete by jack pair fixture, testing result is accurate, it improves work efficiency, reduces labor intensity and construction cost.
Description
Technical field
The invention belongs to the construction auxiliary device of photovoltaic power generation and its detection methods, more particularly, to a kind of photovoltaic power generation pile foundation
Measuring tool and detection method.
Background technique
Solar energy power generating project belongs to emerging clean energy resource, superelevation stake (exceeding height above ground level 2m or more)
Detection technique is still in infancy, and traditional detection method generallys use counterweight pressure, and not only constructing, cumbersome, project amount is big,
The material resources of investment, manpower are more, increase construction cost, extend the duration.
Summary of the invention
The purpose of the present invention is to propose to the detection equipment and detection method of a kind of fishing light complementation photovoltaic power generation superelevation pile foundation,
It is not only simple in structure, rationally, easy to use, quick, strong operability, and reusable, detection data is accurate, reduces construction
Cost, be widely used in fishing light it is complementary (can both set up photovoltaic array in fish pond, can continue to breed fish, the mutual not shadow of the two
Ring) and the photovoltaic power generations superelevation pile foundation such as Coastal beach, intertidal zone detection.
A kind of the object of the present invention is achieved like this: detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation
(the detection equipment of abbreviation superelevation pile foundation), including test pile, cushion block, counterweight, jack and detector, in which: the examination
Testing stake is cylindrical concrete-pile, and the cushion block is the concrete pad of cuboid, the counterweight be concrete block or
Iron block, the jack are hydraulic jack, and the detector is RS-JYB type dead load checkup system, it is characterized in that:
A kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation further includes reaction beam, fixture and high-strength bolt, described
Reaction beam (see Fig. 3) includes I-steel and connecting plate, and for I-steel described in two in being spaced, being symmetrical arranged, the I-steel is available
Length is made of the 22#A type I-steel of 3m, it is uniformly distributed along the length direction of I-steel between two I-steel,
Be welded connecting plate every ground, group is welded into reaction beam, the connecting plate can for four block lengths × width × with a thickness of 800mm × 100mm ×
The steel plate of 6mm；
The fixture (see Fig. 4) includes anchor ear plate, connection otic placode, supporting plate, stiffener plate and bolt hole, and described embraces
Binding round plate is arc-shaped steel plate, and the radius of the arc surface of the anchor ear plate is greater than or equal to the radius of the outer circumference surface of test pile,
Frosted layer is set on the inner surface of the anchor ear plate, which can be 300mm with interior diameter, the steel that length is 300mm
Pipe one cuts open to be made by two, the connection otic placode for the facade that is symmetrically welded on the front and rear sides side of the anchor ear plate, and makes institute
The facade for the forward and backward two pieces of connection otic placodes stated is located in approximately the same plane, which is made of 6mm steel plate,
Bolt hole is opened up in every piece of connection otic placode, and is preferred with opening up two bolts hole up and down in every piece of connection otic placode,
Upper vertical in the side of the evagination of the anchor ear plate is welded supporting plate, makes the supporting plate at cantilevered level board,
The supporting plate available thickness is made of the steel plate of 6mm, and stiffener plate is arranged between the bottom and anchor ear plate of the supporting plate.
In use, being symmetrically positioned concrete pad on the outside of the left and right of test pile two, reaction beam is placed in two sides
On cushion block, counterweight is placed two sections of the left and right of reaction beam is upper, is located at reaction beam for what two fixtures were symmetrically disposed in test pile
It is fastened on the left and right sides wall of lower portion and with high-strength bolt, jack is set between supporting plate and reaction beam, by two
Portion's jack is symmetrically respectively placed on the supporting plate of two fixtures, be will test instrument and is placed on girder steel and passes through sensor for thousand
Jin pushes up connection corresponding with detector, applies jacking force first with jack pair reaction beam, meanwhile, by fixture to test pile
Apply pressure and make static test, data is read by detector, detection data is accurate, reduces construction cost.
A kind of detection method of fishing light complementation photovoltaic power generation superelevation pile foundation, the detection method include the static load examination to test pile
It tests and pullout tests, test procedure is as follows:
One) preparation before, testing:
1) complete to the soft base around the test pile after test pile static 25 days -30 days, after the construction of test pile
Static test and pullout tests are just carried out after consolidating entirely.
2) cushion block, counterweight, jack and detector, are selected according to design, in which: the cushion block is the coagulation of cuboid
Native cushion block (two pieces), the counterweight are concrete block or iron block (two pieces), and the jack is hydraulic jack (two),
The detector is RS-JYB type dead load checkup system,
3), according to the structure and design of above-mentioned reaction beam and fixture, reaction beam and fixture are made:
It makes reaction beam (such as Fig. 3):, compartment of terrain arrangement symmetrical using two I-steel, it is uniformly distributed between two I-steel
Ground is welded connecting plate and connects integral；
Production fixture (such as Fig. 4): it is divided into two using steel pipe from centre, two arc-shaped anchor ear plates is made into, described
Anchor ear plate inner surface on frosted layer is set, be respectively welded on the front and rear sides side of arc-shaped anchor ear plate steel plate as connection
Otic placode opens up bolt hole in every piece of connection otic placode, the supporting plate of vertical welding level on the side of anchor ear plate protrusion, and
Stiffener plate is arranged in the bottom of supporting plate；
Two), the static test of test pile:
1), concrete pad is symmetrically positioned on the ground in two outside of the left and right of test pile；
2), reaction beam is placed on two block concrete cushion blocks of left and right, in left section, right section of upper placement counterweight of reaction beam.
3) two fixtures, are symmetrically mounted at being used in combination on the left and right sides wall of reaction beam lower portion for test pile
High-strength bolt is fastened, and by clamp on test pile, and makes supporting plate in overhead；
4), jack is set between supporting plate and reaction beam, two jack are symmetrically respectively placed in two folders
On the supporting plate of tool；
5), then jack connection corresponding with detector is started by jack by sensor, it is anti-using jack pair
While power beam applies jacking force, pressure is applied to test pile by fixture, data are read by detector, are completed to test pile
Static test.
Three, the pullout tests of test pile:
1), concrete pad is symmetrically positioned on the ground in two outside of the left and right of test pile；
2), the reaction beam is placed on this two block concrete cushion block of left and right；
3), by two fixtures be symmetrically mounted at test pile on the left and right sides wall at the top position of reaction beam simultaneously
It is fastened with high-strength bolt, on test pile and makes supporting plate in underneath type clamp；
4), two jack are symmetrically respectively placed on reaction beam, make jack pair that should be located at supporting plate and counter-force
Between beam；
5), by sensor then jack connection corresponding with detector is started jack, is held using jack pair
While supporting plate applies jacking force, uplift force is applied to test pile by fixture, data, complete back-to-back test are read by detector
The pullout tests of stake.
The detection equipment and detection method of a kind of fishing light complementation photovoltaic power generation superelevation pile foundation proposed by the invention, not only
Structure is simple, easy to use, quick, strong operability, and experimental rig can reuse, and detection data is accurate, reduces and applies
Work cost.
Detection now in conjunction with drawings and examples to a kind of fishing light complementation photovoltaic power generation superelevation pile foundation proposed by the invention
It is further described with equipment and detection method.
Detailed description of the invention
Fig. 1 is the detection equipment and detection method of a kind of fishing light complementation photovoltaic power generation superelevation pile foundation proposed by the invention
Make the schematic diagram of static test to test pile.
Fig. 2 is the detection equipment and detection method of a kind of fishing light complementation photovoltaic power generation superelevation pile foundation proposed by the invention
Make the schematic diagram of pullout tests to test pile.
Fig. 3 is part 9 in Fig. 1: the stereoscopic schematic diagram of reaction beam.
Fig. 4 is part 7 in Fig. 1: the stereoscopic schematic diagram of fixture.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4:
1, I-steel 2, connecting plate 3, anchor ear plate 4, connection otic placode 5, supporting plate 6, stiffener plate 7, fixture 8, height
Strength bolt 9, reaction beam 10, test pile 11, counterweight 12, cushion block 13, jack
Specific embodiment
It can be seen that a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation from Fig. 1, Fig. 2, Fig. 3, Fig. 4
(the detection equipment of abbreviation superelevation pile foundation), including test pile 10, counterweight 11, cushion block 12, jack 13 and detector, wherein institute
The test pile 10 stated is cylindrical concrete-pile, and the cushion block 12 is the concrete pad of cuboid, the counterweight 11
For concrete block or iron block, the jack 13 is 10t hydraulic jack, and the detector is the survey of RS-JYB type dead load
Test system, it is characterized in that: a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation further includes reaction beam 9, fixture 7
With high-strength bolt 8, the reaction beam 9 (see Fig. 3) includes I-steel 1 and connecting plate 2, I-steel 1 described in two in interval,
It is symmetrical arranged, which can be used length and be made of No. 22 A type I-steel of 3m, the edge between two I-steel 1
Length direction is uniformly distributed, compartment of terrain the is welded connecting plate 2 of I-steel 1, group be welded into reaction beam 9, which can be four block lengths
× width × with a thickness of 800mm × 100mm × 6mm steel plate；
The fixture (see Fig. 4) includes anchor ear plate 3, connection otic placode 4, supporting plate 5, stiffener plate 6 and bolt hole, described
Anchor ear plate 3 be arc-shaped steel plate, the radius of the arc surface of the anchor ear plate 3 is greater than or equal to the outer circumference surface of test pile 10
Radius, frosted layer is set on the inner surface of the anchor ear plate 3, which can be 300mm with interior diameter, length is
The steel pipe one of 300mm cuts open to be made by two, the connection for the facade that is symmetrically welded on the front and rear sides side of the anchor ear plate 3
Otic placode 4, and it is located at the facade of forward and backward two pieces of connection otic placodes 4 in approximately the same plane, 4 available thickness of connection otic placode
It is made of 6mm steel plate, opens up bolt hole, and in every piece of connection otic placode 4 to open up in every piece of connection otic placode 4 up and down
Two bolts hole are preferred, and the upper vertical in the side of the evagination of the anchor ear plate 3 is welded supporting plate 5, make the support
Plate 5 is made at cantilevered level board, 5 available thickness of supporting plate of the steel plate of 6mm, the supporting plate 5 bottom with embrace
It binds round and stiffener plate 6 is set between plate 3.
In use, being symmetrically positioned concrete pad 12 on the outside of the left and right of test pile 10 two, reaction beam 9 is placed in two
On the cushion block 12 of side, in the upper placement counterweight 11 in two sections of the left and right of reaction beam 9, two fixtures 7 are symmetrically disposed in test pile 10
Be fastened on the left and right sides wall of 9 lower portion of reaction beam and with high-strength bolt 8, between supporting plate 5 and reaction beam 9
Jack 13 is set, two jack 13 are symmetrically respectively placed on the supporting plate 5 of two fixtures 7, instrument is will test and is placed in
By the connection corresponding with detector of jack 13 on reaction beam 9 and by sensor, reaction beam 9 is applied first with jack 13
Add jacking force, meanwhile, pressure is applied to test pile 10 by fixture and makees static test, data, detection are read by detector
Data are accurate, reduce construction cost.
Embodiment
In certain Coastal beach fishery cultivating area, city, using the detection method of superelevation pile foundation proposed by the invention, in photovoltaic
Before generation engineering construction, static load and pullout tests are carried out to the foundation pile of fishing light complementation photovoltaic bracket, according to the two of completion groups of foundation piles
Test result is detected with design standard, it is ensured that is not settled, is not toppled after photovoltaic module installation.
The detection method of the superelevation pile foundation includes the static test and pullout tests of test pile, and test procedure is as follows:
One) preparation before, testing:
It 1), will, after test pile 10 (test pile 10 is the concrete-pile that overall diameter is 300mm, a length of 9m) construction
After test pile 10 static 25 days, static test and pullout tests are just carried out after the soft base around the test pile 10 is completely firm
It holds.
2) cushion block 12, counterweight 11, jack 13 and detector, are selected, in which: the cushion block 12 is the coagulation of cuboid
Native cushion block (two pieces), the counterweight 11 are concrete block or iron block (two pieces), and the jack 13 is 10t hydraulic jack
(two), the detector are RS-JYB type dead load checkup system；
3), according to the structure and design of above-mentioned reaction beam 9 and fixture 7, reaction beam 9 and fixture 7 are made:
Make reaction beam (part 9) (such as Fig. 3): using the I-steel 1 of No. 22 A types of two 3m long, symmetrical, compartment of terrain is arranged,
Be welded four block lengths × width × with a thickness of 800mm × 100mm × 6mm connecting plate 2 in uniform way between two I-steel 1 and
It connects integral；
Make fixture (part 7) (such as Fig. 4): the steel pipe for using interior diameter to be 300mm for 300mm, length is from intermediate one point
Two, two arc-shaped anchor ear plates 3 are made into, frosted layer are set on the inner surface of the anchor ear plate 3, in arc-shaped anchor ear
The steel plate of two pieces of 6mm thickness is respectively welded on the front and rear sides side of plate 3 as connection otic placode 4, opens up two in every piece of connection otic placode 4
A bolt hole, the vertical welding 6mm thick horizontal supporting plate 5 on the side of 3 protrusion of anchor ear plate, and in the bottom of supporting plate 5
Stiffener plate 6 is set；
Two), the static test of test pile:
1), concrete pad 12 is symmetrically positioned on the ground in two outside of the left and right of test pile 10；
2), reaction beam 9 is placed in and is controlled on two block concrete cushion blocks 12, places and matches on left section, right section of reaction beam 9
Weigh 11；
3), two fixtures 7 are symmetrically mounted to the left and right sides wall for being located at 9 lower portion of reaction beam on test pile 10
On, and be fastened with high-strength bolt 8, fixture 7 is fastened on test pile 10 and makes supporting plate 5 in overhead；
4), jack 13 is set between supporting plate 5 and reaction beam 9, two jack 13 are symmetrically respectively placed in
On the supporting plate 5 of two fixtures 7；
5), by sensor by the connection corresponding with detector of jack 13, then start jack 13, utilize jack
While 13 pairs of reaction beams 9 apply jacking force, pressure is applied to test pile 10 by fixture 7, data are read by detector, it is complete
The static test of back-to-back test stake 10.
Three, the pullout tests of test pile:
1), concrete pad 12 is symmetrically positioned on the ground in two outside of the left and right of test pile 10；
2), reaction beam 9 is placed on two block concrete cushion blocks 12 of left and right；
3), two fixtures 7 are symmetrically mounted to the left and right sides wall at the top position positioned at reaction beam 9 of test pile 10
It above and with high-strength bolt 8 is fastened, fixture 7 is fastened on test pile 10 and makes supporting plate 5 in underneath type；
4), two very heavy 13 are symmetrically respectively placed on reaction beam 9, make jack 13 it is corresponding be located at supporting plate 5 with
Between reaction beam 9；
5), by sensor by the connection corresponding with detector of jack 13, then start jack 13, utilize jack
Uplift force is applied to test pile 10 by fixture 7 while 13 pairs of supporting plates 5 apply jacking force, data are read by detector,
Complete the pullout tests to test pile 10.
This method is taken to carry out the test of pile foundation, not only detection data is accurate, achieves the desired result, and also avoids simultaneously
Transport, the lifting of a large amount of mass, improve test efficiency, reduce the generation of safety accident, rise to the detection of similar pile foundation
To certain demonstration, popularizing action.
Claims (8)
1. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation, including test pile (10), jack (13), counterweight
(11), cushion block (12) and detector, wherein the test pile (10) is cylindrical concrete-pile, the cushion block (12)
For the concrete pad of cuboid, the counterweight (11) is concrete block or iron block, and the jack (13) is hydraulic thousand
Jin top, the detector is RS-JYB type dead load checkup system, it is characterized in that: a kind of fishing light complementation photovoltaic power generation superelevation
The detection equipment of pile foundation further includes reaction beam (9), fixture (7) and high-strength bolt (8), and the reaction beam (9) includes I-shaped
Steel (1) and connecting plate (2), I-steel (1) described in two is in interval, is symmetrical arranged, between two I-steel (1)
Along the length direction of I-steel (1), uniformly distributed, compartment of terrain is welded connecting plate (2), and group is welded into reaction beam (9)；
The fixture (7) includes anchor ear plate (3), connection otic placode (4), supporting plate (5), stiffener plate (6) and bolt hole, described
Anchor ear plate (3) be arc-shaped steel plate, the radius of the arc surface of the anchor ear plate (3) is greater than or equal to the outer of test pile (10)
Frosted layer is arranged on the inner surface of the anchor ear plate (3) in the radius of periphery, forward and backward the two of the anchor ear plate (3)
Symmetrically be welded the connection otic placode (4) of facade on side, and the facade of connection otic placode (4) described in making forward and backward two pieces be located at it is same
In one plane, bolt hole is opened up in the connection otic placode (4) described in every piece, in the side of the evagination of the anchor ear plate (3)
Upper vertical be welded supporting plate (5), make the supporting plate (5) at cantilevered level board, at the bottom of the supporting plate (5)
Stiffener plate (6) are set between portion and anchor ear plate (3).
2. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
The I-steel (1) uses length to be made of No. 22 A type I-steel of 3m.
3. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
The connecting plate (2) is four block lengths × width × with a thickness of 800mm × 100mm × 6mm steel plate.
4. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
The anchor ear plate (3) is cutd open with interior diameter by 300mm, length by the steel pipe one of 300mm to be made by two.
5. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
The connection otic placode (4) is made of with a thickness of 6mm steel plate.
6. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
Two bolts hole up and down are opened up on every piece of connection otic placode (4).
7. a kind of detection equipment of fishing light complementation photovoltaic power generation superelevation pile foundation according to claim 1, it is characterised in that
The supporting plate (5) is made of with a thickness of the steel plate of 6mm.
8. a kind of detection method of fishing light complementation photovoltaic power generation superelevation pile foundation, test procedure are as follows:
One) preparation before, testing:
1), after test pile (10) construction, after test pile (10) static 25 days -30 days, to the test pile (10) surrounding
Soft base just carries out static test and pullout tests after consolidating completely；
2) cushion block (12), counterweight (11), high-strength bolt (8), jack (13) and detector, are selected according to design；
3), according to the structure and design of reaction beam (9) and fixture (7), reaction beam (9) and fixture (7) are made:
Make reaction beam:
Using two I-steel (1) interval, be arranged symmetrically, be welded connecting plate (2) in uniform way between two I-steel (1) and
It connects integral；
Make fixture:
It is divided into two using steel pipe from centre, two arc-shaped anchor ear plates (3) is made into, in the interior table of the anchor ear plate (3)
Frosted layer is set on face, two blocks of steel plates are respectively welded on the front and rear sides side of arc-shaped anchor ear plate (3) as connection otic placode
(4), bolt hole is opened up on every piece of connection otic placode (4), be vertically welded horizontal supporting plate on the side of anchor ear plate (3) protrusion
(5), and in the bottom of supporting plate (5) stiffener plate (6) are set；
Two), the static test of test pile:
1) concrete pad (12), are symmetrically positioned on the ground in two outside of the left and right of test pile (10)；
2), reaction beam (9) is placed on two block concrete cushion blocks (12), in left section, right section of upper placement counterweight of reaction beam (9)
(11)；
3) two fixtures (7), are symmetrically mounted to the left and right sides positioned at reaction beam (9) lower portion on test pile (10)
It is fastened on wall and with high-strength bolt (8), fixture (7) is fastened on test pile (10) and makes supporting plate (5) in overhead；
4) jack (13), are set between supporting plate (5) and reaction beam (9), two jack (13) are symmetrically put respectively
It is placed on the supporting plate (5) on two fixtures (7)；
5), by sensor by jack (13) connection corresponding with detector, then start jack (13), utilize jack
(13) while applying jacking force to reaction beam (9), pressure is applied to test pile (10) by fixture (7), is read by detector
Access evidence, completes the static test to test pile (10)；
Three, the pullout tests of test pile:
1) concrete pad (12), are symmetrically positioned on the ground in two outside of the left and right of test pile (10)；
2), reaction beam (9) are placed on two block concrete cushion blocks (12) of left and right herein；
3) two fixtures (7), are symmetrically mounted to the left and right sides at the top position positioned at reaction beam (9) of test pile (10)
It is fastened and connected on wall and with high-strength bolt (8), fixture (7) is fastened on test pile (10) and makes supporting plate (5) in underlying
Formula；
4), two very heavy (13) are symmetrically respectively placed on reaction beam (9), make jack (13) are corresponding to be located at supporting plate
(5) between reaction beam (9)；
5), by sensor by jack (13) connection corresponding with detector, then start jack (13), utilize jack
(13) while applying jacking force to supporting plate (5), uplift force is applied to test pile (10) by fixture (7), passes through detector
Data are read, the pullout tests to test pile (10) are completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242734.9A CN108411952B (en) | 2018-03-23 | 2018-03-23 | A kind of the detection equipment and detection method of fishing light complementation photovoltaic power generation superelevation pile foundation |
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|---|---|---|---|
| CN201810242734.9A CN108411952B (en) | 2018-03-23 | 2018-03-23 | A kind of the detection equipment and detection method of fishing light complementation photovoltaic power generation superelevation pile foundation |
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| CN108411952B true CN108411952B (en) | 2019-11-15 |
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| CN109505317B (en) * | 2018-10-29 | 2021-07-23 | 建研地基基础工程有限责任公司 | Compression resistance, resistance to plucking and horizontal static load test equipment of high stake |
| CN109883637A (en) * | 2019-03-28 | 2019-06-14 | 福州大学 | A kind of construction and its application method of shaketalle test connection pile foundation and clump weight |
| CN111139879B (en) * | 2020-03-20 | 2021-07-06 | 淮安市建筑工程质量检测中心有限公司 | All-round electromechanical integrated foundation pile bearing capacity detection system and method |
| CN112146969A (en) * | 2020-09-22 | 2020-12-29 | 中国能源建设集团江苏省电力设计院有限公司 | Large in-situ load integrated testing device for underwater composite foundation and implementation method |
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| CN201258494Y (en) * | 2008-08-27 | 2009-06-17 | 湖南省第六工程有限公司 | Loading unit for single-pile vertical anti-pulling static load test |
| CN103031860B (en) * | 2012-12-14 | 2015-01-07 | 广东省建筑科学研究院 | Pipe pile vertical static load testing connection device, and testing system and method using same |
| CN204112377U (en) * | 2014-08-21 | 2015-01-21 | 马鞍山十七冶工程科技有限责任公司 | The draw-off gear of pile for prestressed pipe vertically pulling-resistant static loading test |
| CN107816066B (en) * | 2017-09-30 | 2021-05-04 | 青岛理工大学 | Miniature anti-floating pile resistance to plucking bearing capacity testing arrangement of fibre muscle |
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