CN205483822U - Glass fiber reinforced anti -floating anchor rod resistance to plucking test device - Google Patents
Glass fiber reinforced anti -floating anchor rod resistance to plucking test device Download PDFInfo
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- CN205483822U CN205483822U CN201620198107.6U CN201620198107U CN205483822U CN 205483822 U CN205483822 U CN 205483822U CN 201620198107 U CN201620198107 U CN 201620198107U CN 205483822 U CN205483822 U CN 205483822U
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Abstract
The utility model relates to a building foundation engineering anti -floating anchor rod technical field especially relates to a glass fiber reinforced anti -floating anchor rod resistance to plucking test device, including base, center hole jack and anchor anchor clamps, the stock body passes base and center hole jack from bottom to top in proper order, stock body top and anchor anchor clamps rigid coupling, and the jack supports between base and anchor anchor clamps, when jack jacking anchor anchor clamps, can carry out the loading to the stock body, stock body top is equipped with the percentage table, the fixed setting of height -adjustable formula of percentage table, the syringe needle top of percentage table is on the top end of the stock body. This resistance to plucking test device simple structure can effectual anchor glass fiber reinforced anti -floating anchor rod through the anchor anchor clamps, has replaced original sticky anchor, anchor clamps repeatedly usable, and convenient and fast has shortened test time effectively, and material saving reduces experimentation cost, and does not lead to the fact the damage to the stock.
Description
Technical field
This utility model relates to building lot Anti-Floating Anchor Bar technical field, particularly relates to a kind of glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device.
Background technology
Continually developing utilization along with the underground space so that the embedded depth of foundation of building is continuously increased, and anti-floating problem becomes increasingly to highlight, general Anti-floating Technology has fall row's subsoil water, ballast method, anti-floating pile and anti-float anchor rod etc..Wherein the anti-float anchor rod mechanism of action be stretching resistance produced by the tensile strength utilizing anchor pole self, withdrawal resistance produced by frictional force between anchor pole and rock-soil layer, the trend floating building foundation floor retrains, the frictional force making anchor pole is more than hydraulic pressure buoyancy, thus reaches to control the purpose of its deformation.Anti-float anchor rod body uses metal material mostly, after the rock mass soil layer that its embedment is stable, continuity over time, rod body material easily corrodes, affect anchor bar body intensity, and then its anchoring effect is damaged, this phenomenon is especially prominent in terms of the anti-floating on coastal area buildings or structures basis.In recent years, glass fiber-reinforced polymer (GFRP) material has the advantages such as tensile strength is high, anticorrosive property is good, lightweight and is widely used in case history；For glass fiber-reinforced polymer as anti-float anchor rod, how to check withdrawal resistance after construction whether meet design require in the urgent need to.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art, a kind of glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device is provided, this device can quantitative determine withdrawal resistance and the displacement of anti-float anchor rod, apparatus structure is simple, it is convenient to install, easy to operate, solid and reliable and measurement data is accurate.
For achieving the above object, this utility model provides techniques below scheme:
A kind of glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device, including base, centre-hole jack and anchoring fixture, anchor bar body sequentially passes through base and centre-hole jack from bottom to top, anchor bar body top is affixed with anchoring fixture, jack is supported between base and anchoring fixture, when jack jacking anchoring fixture, anchor bar body can be loaded；Described anchor bar body is arranged over dial gauge, and the adjustable height of described dial gauge is fixedly installed, and the syringe needle of described dial gauge withstands on the top end face of anchor bar body.
Described anchoring fixture includes the Hafu-type chuck of outer layer, is provided with core body in Hafu-type chuck, and core body upper end is provided with cone tank, and described anchor bar body passes described core body, and anchor bar body upper end uses the cone-shaped clip clamping of interior two flap-type arranged of cone tank.
It is additionally provided with recess cushion block between described centre-hole jack and anchoring fixture.
Described centre-hole jack is hydraulic jack, the oil supply system of centre-hole jack includes oil pump, bellows accumulator, Pressure gauge, pedestal and reversal valve, wherein bellows accumulator, Pressure gauge are arranged on pedestal, oil pump is connected with the oil inlet end of reversal valve by oil pipe, reversal valve is provided with the plural oil circuit outlet connection of parallel connection, each oil circuit outlet connection connects the inlet union of oil circuit on stable-pressure device by oil pipe, and on stable-pressure device, the outlet connection of oil circuit is connected with the inlet union of centre-hole jack by oil pipe.
Described dial gauge is fixed on triangle crane by Magnetic gauge stand.
Of the present utility model have the technical effect that this pulling resistance testing device simple in construction, can effective anchored glass fiber muscle anti-float anchor rod by anchoring fixture, instead of original gluing anchoring, fixture is reusable, convenient and swift, it is effectively shortened test period, saves material, reduce experimentation cost, and anchor pole is not caused damage；It addition, this pulling resistance testing device is safe and reliable, measuring method is scientific and reasonable, and test data are accurately and reliably.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, a kind of glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device, including base 10, centre-hole jack 12 and anchoring fixture, anchor bar body 11 sequentially passes through base 10 and centre-hole jack 12 from bottom to top, anchor bar body 11 top is affixed with anchoring fixture, centre-hole jack 12 is supported between base 10 and anchoring fixture, when centre-hole jack 12 jacking anchoring fixture, can load anchor bar body 11；Described anchor bar body 11 is arranged over dial gauge 24, and the adjustable height of described dial gauge 24 is fixedly installed, and the syringe needle of described dial gauge 24 withstands on the top end face of anchor bar body 11.
Preferably, described anchoring fixture includes the Hafu-type chuck 14 of outer layer, is provided with core body 15 in Hafu-type chuck 14, and core body 15 upper end is provided with cone tank, described anchor bar body 11 is through described core body 15, and anchor bar body 11 upper end uses the cone-shaped clip 16 of interior two flap-type arranged of cone tank to clamp.
Further, it is additionally provided with recess cushion block 13 between described centre-hole jack 12 and anchoring fixture.
Preferably, described centre-hole jack 12 is hydraulic jack, the oil supply system of centre-hole jack 12 includes oil pump 17, bellows accumulator 20, Pressure gauge 21, pedestal 19 and reversal valve 18, wherein bellows accumulator 20, Pressure gauge 21 is arranged on pedestal 19, oil pump 17 is connected with the oil inlet end of reversal valve 18 by oil pipe, reversal valve 18 is provided with the plural oil circuit outlet connection of parallel connection, each oil circuit outlet connection connects the inlet union of oil circuit on stable-pressure device by oil pipe, on stable-pressure device, the outlet connection of oil circuit is connected with the inlet union of centre-hole jack 12 by oil pipe.
Preferably, described dial gauge 24 is fixed on triangle crane 22 by Magnetic gauge stand 23, uses triangle crane to be supported can being easy to be adjusted the position of dial gauge 24.
Further, the side i.e. fitted with anchor bar body 11 inside described intermediate plate 16 is provided with screw thread, to increase the frictional force between intermediate plate and anchor bar body 11.
This pulling resistance testing device simple in construction, by anchoring fixture can effective anchored glass fiber muscle anti-float anchor rod, instead of original gluing anchoring, fixture is reusable, convenient and swift, is effectively shortened test period, save material, reduce experimentation cost, and anchor pole is not caused damage；It addition, this pulling resistance testing device is safe and reliable, measuring method is scientific and reasonable, and test data are accurately and reliably.
Embodiment: the middle a diameter of 25mm of glass fiber-reinforced polymer anti-float anchor rod, anchorage depth 12.000m, loads maximum pressure 20t, uses multi cycle load mode, and concrete loading form is as shown in the table.Under initial load, reading anchor head displacement datum value 3 times should be surveyed, when at interval of the number of degrees of 5min identical time, can be as anchor head displacement datum value.After Load-unload is stable every time, surveying reading anchor head displacement in observation time should be less than 3 time.
It addition, this utility model is according to above mentioned embodiment providing a kind of test method applying said apparatus to detect anchor pole deformation and load relation, comprise the steps:
S1. equipment is installed: base 10 is placed on earth's surface, and through anchor bar body 11；Centre-hole jack 12 is positioned over base 10 upper surface, and passes vertically through anchor bar body 11；
Vertically place anchoring fixture subsequently, make anchor bar body 11 pass anchoring fixture, and clamp with cone-shaped clip 16, adjust level；
The tubing clamp of hydraulic loading system is buckled in the oil-feed mouth of pipe of centre-hole jack 12；
Arranging triangle crane 22, install Magnetic gauge stand 23, be arranged in the pole of Magnetic gauge stand 23 by dial gauge 24 after adjusting height, the syringe needle of dial gauge 24 withstands on the masthead center of anchor bar body 11, and whole anti-pulling device is vertically maintained on same vertical line；
S2. calibration: oil pump 17 is forced into 0.5t, after prestrain, unloading is 0, puts into recess cushion block 13 between anchoring fixture and centre-hole jack 12.Oil pump 17 is forced into 0.5t secondary so that anchor bar body 11 head is stable, and anchoring fixture and cone-shaped clip 16 anchor tight anchor bar body 11, adjusts the gauge outfit of dial gauge 24, and adjusts displacement zero；
S3. load: carry out load test according to following table classification, form, after record data, the Q-s curve that multi cycle loads；
S4. the dismounting after having tested: first hydraulic loading system unloading, removes the loading oil pipe being connected with centre-hole jack 12；Remove dial gauge 24 subsequently, place in percentage watchcase；Turning on the bolt on anchoring fixture both sides, use diagonal angle to turn on bolt, take off cone-shaped clip 16, take off recess cushion block 13, centre-hole jack 12 and base 10 the most successively, wiped clean arranges neat.
Claims (6)
1. a glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device, it is characterized in that: include base (10), centre-hole jack (12) and anchoring fixture, anchor bar body (11) sequentially passes through base (10) and centre-hole jack (12) from bottom to top, anchor bar body (11) top is affixed with anchoring fixture, centre-hole jack (12) is supported between base (10) and anchoring fixture, when centre-hole jack (12) jacking anchoring fixture, anchor bar body (11) can be loaded；Described anchor bar body (11) is arranged over dial gauge (24), and the adjustable height of described dial gauge (24) is fixedly installed, and the syringe needle of described dial gauge (24) withstands on the top end face of anchor bar body (11).
Glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device the most according to claim 1, it is characterized in that: described anchoring fixture includes the Hafu-type chuck (14) of outer layer, core body (15) it is provided with in Hafu-type chuck (14), core body (15) upper end is provided with cone tank, described anchor bar body (11) passes described core body (15), and anchor bar body (11) upper end uses cone-shaped clip (16) clamping of interior two flap-type arranged of cone tank.
Glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device the most according to claim 2, it is characterised in that: it is additionally provided with recess cushion block (13) between described centre-hole jack (12) and anchoring fixture.
Glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device the most according to claim 3, it is characterized in that: described centre-hole jack (12) is hydraulic jack, the oil supply system of centre-hole jack (12) includes oil pump (17), bellows accumulator (20), Pressure gauge (21), pedestal (19) and reversal valve (18), wherein bellows accumulator (20), Pressure gauge (21) is arranged on pedestal (19), oil pump (17) is connected with the oil inlet end of reversal valve (18) by oil pipe, reversal valve (18) is provided with the plural oil circuit outlet connection of parallel connection, each oil circuit outlet connection connects the inlet union of oil circuit on stable-pressure device by oil pipe, on stable-pressure device, the outlet connection of oil circuit is connected with the inlet union of centre-hole jack (12) by oil pipe.
Glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device the most according to claim 4, it is characterised in that: described dial gauge (24) is fixed on triangle crane (22) by Magnetic gauge stand (23).
Glass fiber-reinforced polymer anti-float anchor rod pulling resistance testing device the most according to claim 5, it is characterised in that: the side i.e. fitted with anchor bar body (11) in described intermediate plate (16) inner side is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198107.6U CN205483822U (en) | 2016-03-14 | 2016-03-14 | Glass fiber reinforced anti -floating anchor rod resistance to plucking test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198107.6U CN205483822U (en) | 2016-03-14 | 2016-03-14 | Glass fiber reinforced anti -floating anchor rod resistance to plucking test device |
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| CN205483822U true CN205483822U (en) | 2016-08-17 |
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| CN201620198107.6U Active CN205483822U (en) | 2016-03-14 | 2016-03-14 | Glass fiber reinforced anti -floating anchor rod resistance to plucking test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699192A (en) * | 2016-03-14 | 2016-06-22 | 安徽省建筑科学研究设计院 | Pull-out test device of glass fiber rib anti-floating anchor and test method of pull-out test device |
| CN107817162A (en) * | 2017-09-30 | 2018-03-20 | 青岛理工大学 | A kind of quick pull-out test method of the nonmetallic anti-float anchor rod of enlarged footing |
| CN108978734A (en) * | 2018-04-28 | 2018-12-11 | 青岛理工大学 | A kind of fiber bar anti-float anchor rod mechanical characteristic simulation laboratory test device |
-
2016
- 2016-03-14 CN CN201620198107.6U patent/CN205483822U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699192A (en) * | 2016-03-14 | 2016-06-22 | 安徽省建筑科学研究设计院 | Pull-out test device of glass fiber rib anti-floating anchor and test method of pull-out test device |
| CN107817162A (en) * | 2017-09-30 | 2018-03-20 | 青岛理工大学 | A kind of quick pull-out test method of the nonmetallic anti-float anchor rod of enlarged footing |
| CN108978734A (en) * | 2018-04-28 | 2018-12-11 | 青岛理工大学 | A kind of fiber bar anti-float anchor rod mechanical characteristic simulation laboratory test device |
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Address after: Lake Road in Shushan District of Hefei City, Anhui Province, No. 567 230000 Patentee after: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Address before: 230001 No. 28 South Road, Luyang District, Anhui, Hefei Patentee before: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN |