CN208486297U - The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test - Google Patents
The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test Download PDFInfo
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- CN208486297U CN208486297U CN201820933239.8U CN201820933239U CN208486297U CN 208486297 U CN208486297 U CN 208486297U CN 201820933239 U CN201820933239 U CN 201820933239U CN 208486297 U CN208486297 U CN 208486297U
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Abstract
The utility model discloses a kind of anchor connection method anti-pulling devices of unit for single-pile vertical anti-pulling static test, it is different from tradition, the special pre-buried high tensile reinforcement for being able to bear test tension intensity in test pile, and instead of the connection type welded between traditional stirrup and reinforcing bar in a manner of being detachably connected high tensile reinforcement and pull rod, in addition reinforcing bar is in the circumferential uniformly arrangement of test pile cross-wise direction, when test, high tensile reinforcement stable connection, uniform force, securely and reliably, measurement result is accurate, and jack, pull rod etc. is convenient for loading and unloading between detection devices and test pile and high tensile reinforcement, be conducive to improve work on the spot efficiency and detection device Reusability.
Description
Technical field
The utility model relates to a kind of detection devices of building pile foundation.
Background technique
As " basis " --- the foundation pile of building, it is played an important role in engineering.Wherein, the coagulation of built-in reinforcing bar
Native stake is because that can bear larger load, and firm durable, pile-forming speed is fast, become one of widely applied pile-type.To ensure engineering matter
Amount and safety, the anti-pulling test for carrying out pile foundation in time are very necessary.Existing detection device usually passes through existing in connection test pile
At reinforcing bar tested, specially by each reinforcement welding in the periphery of the same stirrup, while stirrup is defeated with jack
Outlet is connected by pull rod, this detection device, and the intensity of one side reinforcing bar itself only meets in foundation pile as reinforcing member
It uses, is easily damaged under the high-strength external force of resistance to plucking static test, the welding connecting mode between another aspect reinforcing bar and stirrup,
The circumferential non-uniform Distribution of reinforcing bar also can all cause this connection structure eccentric, unbalance stress under high-strength external force, and then influence
Test result accuracy even causes safety accident.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, it is simple to provide a kind of structure, securely and reliably, can conveniently, repeat, flexibly
The resistance to plucking dead-load detection device used.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, including test pile, set on the test pile two sides
Buttress, the girder for being erected on the buttress, being suspended from above the test pile, and the jack on the girder, it is described
Jack is connected with power device, and the two sides of the test pile are additionally provided with displacement detecting structure, characterized in that is equipped with extremely in the test pile
Few four are evenly arranged on the pre-buried high tensile reinforcement of same circumference, and it is connection that the test pile top surface is exposed in the high tensile reinforcement upper end
End, the output end of the jack connect several pull rods extended downwardly, and the pull rod is connect with the high tensile reinforcement by one
Structure is removably connected.
Preferably, the diameter of the high tensile reinforcement is in 12mm-15mm.
Preferably, the connection structure includes setting internal thread casing, the connecting pin of the high tensile reinforcement and the drawing
The both ends of external screw thread connection described sleeve pipe are respectively set in the lower end of bar.
Preferably, the external screw thread axial length of the high tensile reinforcement connecting pin is at least equal to described sleeve pipe length.
Preferably, the length of described sleeve pipe is equal to twice of high tensile reinforcement connecting pin length, and the pull rod lower end
External screw thread axial length at least equal to described sleeve pipe length.
Preferably, the connection structure includes a connecting plate, and the pull rod and high tensile reinforcement are respectively connected to the connecting plate
Two sides, each pull rod respectively corresponds a high tensile reinforcement and axis in vertical direction is in same straight line.
Preferably, the connection structure includes a connecting plate, and the pull rod and high tensile reinforcement are respectively connected to the connecting plate
Two sides, the position of each pull rod are also uniformly dispersed in same circumference, the circumference where the pull rod and the high tensile reinforcement institute
Circumference in the horizontal plane be projected as concentric circles.
Preferably, the circle diameter where the pull rod is twice of circle diameter where the high tensile reinforcement.
Preferably, the circle diameter where the high tensile reinforcement is twice of circle diameter where the pull rod.
Preferably, the connection structure includes a connecting plate, and four pull rods and four high tensile reinforcements connect respectively
In the connecting plate two sides, the position of each pull rod is also uniformly dispersed in same circumference, circumference and institute where the pull rod
State the circumference where high tensile reinforcement in the horizontal plane be projected as concentric circles, phase of the pull rod on corresponding circumference relative to
Phase of the high tensile reinforcement on corresponding circumference turns over 45° angle.
Preferably, the high tensile reinforcement and connecting plate are detachably connected by cone anchorage.
Preferably, connecting hole is set to connect the high tensile reinforcement, each connecting hole also uniformly divides on the connecting plate
Cloth is yearned for by center of circle direction radially extend growth bar shaped respectively in same circumference.
Preferably, the connection structure includes pair of lamina connector, the Double-layer connector be include upper plate, lower plate and in
Between plate integral structure, open up the connecting hole for connecting the pull rod and the high tensile reinforcement respectively on the upper plate and lower plate.
Preferably, the connecting hole that at least two groups are distributed on different-diameter circumference is opened up in the lower plate.
Preferably, connecting hole is also uniformly dispersed in same circumference in the lower plate, and is yearned for respectively by center of circle direction along diameter
To extending into strip.
It is arriving the utility model has the advantages that
1. the resistance to plucking dead-load detection device of the utility model, is different from tradition, specially pre-buried in test pile to be able to bear examination
Test the high tensile reinforcement of tension intensity, and in a manner of being detachably connected high tensile reinforcement and pull rod instead of traditional stirrup and reinforcing bar it
Between the connection type welded, in addition reinforcing bar is in the circumferential uniformly arrangement of test pile cross-wise direction, test, high tensile reinforcement stable connection,
Uniform force, securely and reliably, measurement result are accurate, and jack, pull rod etc. are between detection devices and test pile and high tensile reinforcement
It is convenient for loading and unloading, be conducive to improve work on the spot efficiency and detection device Reusability.
2. high tensile reinforcement can choose diameter in 12mm-15mm, preferably guarantee the safe operation of detection device.
3. connection structure may include casing, so that it is threadedly coupled the connecting pin of high tensile reinforcement and the lower end of pull rod respectively,
This connection type can be very good to guarantee pull rod and high tensile reinforcement on same vertical line, and power transmission is reliable, high tensile reinforcement stress
Uniformly, and structure is simple, dismounts all very convenient.
Wherein it is possible to which the external screw thread axial length of high tensile reinforcement connecting pin is arranged at least equal to casing length, then when installing
Can be by casing elder generation spiral in high tensile reinforcement connecting pin, and upper end and connecting pin upper end be flush or below connecting pin upper surface, so
Pull rod is close down, connect end upper end after, soon can quickly and easily connect high tensile reinforcement and pull rod on casing is direct.
In turn, the length that casing also can be set is equal to twice of high tensile reinforcement connecting pin length, and pull rod lower end
External screw thread axial length, then can be by casing elder generation spiral in pull rod lower end when installing at least equal to casing length, and lower end and pull rod
Lower end flush or above pull rod lower end surface, such pull rod is close down, connect end upper end after, the direct backspin of casing
The connection high tensile reinforcement and pull rod of quick and convenient high quality, and since to be exactly equal to high tensile reinforcement connecting pin long for the length of casing
Twice of degree, when casing axially has half to be connected with pull rod and stirrup reinforcing bar connecting pin respectively, under correct and be against test pile
Upper surface, so that connection is more firm.
Both 4. in addition to high tensile reinforcement is directly connected with pull rod with casing, can also be connected using connecting plate.
Under this form, it can be set that each pull rod respectively corresponds a high tensile reinforcement and axis is in vertical direction with always
Line, power transmission are certainly uniformly reliable.
Also the position that each pull rod can be set is evenly distributed on same circumference, while circumference and high tensile reinforcement where pull rod
The circumference at place in the horizontal plane be projected as concentric circles, the quantity of such pull rod and the quantity and arrangement of arrangement and high tensile reinforcement
It is necessarily not identical, it also can guarantee that the high quality of stable power transmission and test is completed, especially control the diameter proportion of two circumference,
Effect is more preferable.
Pull rod can also be arranged to turn in the phase on corresponding circumference relative to phase of the high tensile reinforcement on corresponding circumference
45° angle, it is also possible that the power transmission between pull rod and high tensile reinforcement is sufficiently stable.
In addition, high tensile reinforcement is preferably detachably connected by cone anchorage with connecting plate, it is convenient and reliable.
5. the connecting hole for being used to connect high tensile reinforcement on connecting plate can be arranged to the form of strip, specifically respectively
Connecting hole is also uniformly dispersed in same circumference, is yearned for by center of circle direction radially extending respectively, therefore to the test pile of different-diameter
When carrying out drawing dead-load detection, corresponding high tensile reinforcement selects suitable position insertion connecting hole to be attached, and so may be used
Flexibly adapt to a variety of different size reinforcing bar distributions or the detection of test pile operation.
6. connection structure also can choose Double-layer connector, Double-layer connector is include upper plate, lower plate and intermediate plate one
Body formula structure, one side integral structure is sufficiently stable, and another aspect upper plate and lower plate are separately connected pull rod and high tensile reinforcement, can
Avoid interference from each other, more convenient connection.
In addition, in lower plate can also by way of opening up multiple groups connecting hole or similar above-mentioned strip connecting hole come
Adapt to the detection demand of different high tensile reinforcement distributions on different size test pile or test pile.
Detailed description of the invention
Fig. 1 is the utility model general structure schematic diagram；
Fig. 2 is the assembling schematic diagram of the utility model embodiment 1 pull rod and high tensile reinforcement；
Fig. 3 is the connection status diagram of the utility model embodiment 1 pull rod and high tensile reinforcement；
Fig. 4 is the schematic diagram of 1 high tensile reinforcement of the utility model embodiment position distribution on test pile；
Fig. 5 is the assembling schematic diagram for the pull rod that 2 high tensile reinforcement of the utility model embodiment is screwed with casing with lower end；
Fig. 6 is the connection status diagram of the utility model embodiment 2 pull rod and high tensile reinforcement；
Fig. 7 is the assembling schematic diagram for the high tensile reinforcement that 3 pull rod of the utility model embodiment is screwed with casing with connecting pin；
Fig. 8 is the connection status diagram of the utility model embodiment 3 pull rod and high tensile reinforcement；
Fig. 9 is the assembling schematic diagram of the utility model embodiment 4 pull rod and high tensile reinforcement；
Figure 10 is the enlarged diagram of the utility model embodiment 4 pull rod and high tensile reinforcement connecting portion；
Figure 11 is the projected position distribution map of 4 high tensile reinforcement of the utility model embodiment, pull rod relative to connecting plate；
Figure 12 is the connection status diagram of the utility model embodiment 5 pull rod and high tensile reinforcement；
Figure 13 is the projected position distribution signal of 5 pull rod of the utility model embodiment and high tensile reinforcement relative to connecting plate
Figure；
Figure 14 is position distribution schematic diagram of the connecting hole on connecting plate in the utility model embodiment 5；
Figure 15 is the connection status diagram of the utility model embodiment 6 pull rod and high tensile reinforcement；
Figure 16 is the projected position distribution signal of 6 pull rod of the utility model embodiment and high tensile reinforcement relative to connecting plate
Figure；
Figure 17 is a kind of connection status diagram of 7 pull rod of the utility model embodiment and high tensile reinforcement；
Figure 18 is that the connection status of another pull rod and high tensile reinforcement that the utility model embodiment 7 is different from Figure 17 is illustrated
Figure；
Figure 19 is the position distribution signal of connecting hole in lower plate in the utility model embodiment 7 while being also under Figure 17 state
The link position schematic diagram of high tensile reinforcement；
Figure 20 is the position distribution signal of upper plate connecting hole in the utility model embodiment 7；
Figure 21 is the link position schematic diagram of the high tensile reinforcement under Figure 18 state of the utility model embodiment 7；
Figure 22 is the position distribution schematic diagram of lower plate connecting hole in the utility model embodiment 7；
Wherein:
2, test pile, 4, high tensile reinforcement, 42, connecting pin, 44, external screw thread, 8, pull rod, 84, external screw thread,
62, buttress, 64, girder, 66, jack, 68, flange, 69, oil pump,
32, reference stake, 34, datum line beam, 36, dial gauge,
52, casing, 54, connecting plate, 542, positioning sleeve, 544, connecting hole, 546, cone anchorage, 56, upper plate, 564, connection
Hole, 57, intermediate plate, 58, lower plate, 584, connecting hole,
A, circumference, B, circumference, C, circumference, D, circumference.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
Embodiment 1
As shown in Figs 1-4, the anchor connection method anti-pulling device of a kind of unit for single-pile vertical anti-pulling static test, including measurand
And testing equipment.Wherein, measurand is test pile 2, is equipped at least four in test pile 2 and is evenly arranged on the pre-buried high-strength of same circumference A
Reinforcing bar 4, and it is connecting pin 42 that 2 top surface of test pile is exposed in 4 upper end of high tensile reinforcement.Testing equipment includes the buttress set on 2 two sides of test pile
62, it is erected on buttress 62, is suspended from the girder 64 of 2 top of test pile, and the jack 66 on girder 64, jack 66 connect
Dynamic device, and the output end of jack 66 connects several pull rods 8 extended downwardly, pull rod 8 and high tensile reinforcement 4 and connects by one
Binding structure is removably connected, in addition, the two sides of test pile 2 are additionally provided with displacement detecting structure,
Specifically, being equipped with lucky four high tensile reinforcements 4 and four pull rods 8 in test pile 2 in the present embodiment, high tensile reinforcement 4 is equal
Axially extend along the vertical direction along test pile 2, as shown in figure 4, sequentially line constitutes square to four location points just.
The upper end of jack 66, that is, output end connects a flange 68, then by 68 welding rod 8 of flange, each pull rod 8 is distributed
Position just with each 4 consistency from top to bottom of high tensile reinforcement.Connection between certain jack 66 and pull rod 8 can also be logical by the industry
Other connection types.In addition, power device is oil pump 69 in the present embodiment.
Displacement detecting structure includes the reference stake 32 for being divided into 2 two sides of test pile, the datum line beam 34 being erected on reference stake 32,
And the Magnetic gauge stand (not shown) that absorption is connected on datum line beam 34, Magnetic gauge stand are clamped with dial gauge 36 and displacement sensor
(not shown).The displacement detecting structure structure general using the industry relative to the specific setting of test pile 2.
In the present embodiment, connection structure is to set internal thread casing 52, the connecting pin 42 of high tensile reinforcement 4 and pull rod 8
The both ends of external screw thread 44,84 connecting sleeves 52 are respectively set in lower end.In use, casing 52 is first screwed in 4 upper end of high tensile reinforcement
Or 8 lower end of pull rod, then pull rod 8 declines close to corresponding 4 connecting pin of high tensile reinforcement, 42 top is abutted, this can be revolved in the process
Both dynamic casing 52 is cooperated, be finally stably connected with.
When detection, buttress 62, girder 64, jack 66, pull rod 8, and displacement are installed according to the industry general mode
Detection structure, using 52 connecting rod 8 of the present embodiment middle sleeve and high tensile reinforcement 4, after items are ready, oil pump 69 works, so that
Jack 66 exports upward power, high tensile reinforcement 4 is pulled up by pull rod 8, during the test of displacement detecting structure detection
Displacement, working condition judge the resistance to plucking static force of test pile 2 using the general method of the industry.
Embodiment 2
As shown in Fig. 1,4-6, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment 1
Difference be: 44 axial length of external screw thread of 4 connecting pin 42 of high tensile reinforcement be equal to 52 length of casing.It can be by casing when then installing
52 first spirals are in 4 connecting pin 42 of high tensile reinforcement, and upper end is flushed with 42 upper end of connecting pin, and such pull rod 8 is close down, contact connects
Connect end 42 upper ends after, pull rod 8 no longer needs to move, casing 52 directly on soon can quickly and easily connect high tensile reinforcement 4 and pull rod
8。
Embodiment 3
As shown in Fig. 1,4,7-8, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment
1 difference is that the length of casing 52 is equal to twice of 4 connecting pin of high tensile reinforcement, 42 length, and the external screw thread 84 of 8 lower end of pull rod
Axial length is equal to 52 length of casing.Can be by the first spiral of casing 52 in 8 lower end of pull rod when then installing, and lower end and 8 lower end of pull rod
Flush, such pull rod 8 is close down, abut 42 upper end of connecting pin after, the direct backspin of casing 52 can quick and convenient high quality
High tensile reinforcement 4 and pull rod 8 are connected, and since the length of casing 52 is exactly equal to twice of 4 connecting pin of high tensile reinforcement, 42 length,
When casing 52 is axial has half to be connected with pull rod 8 and high tensile reinforcement connecting pin 42 respectively, under correct and be against 2 upper end of test pile
Face, so that connection is more firm.
Embodiment 4
As shown in Fig. 1,9-11, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment 1
Difference be: connection structure include a connecting plate 54, four pull rods 8 and four high tensile reinforcements 4 are respectively connected to 54 liang of connecting plate
Side, each pull rod 8 respectively corresponds a high tensile reinforcement 4 and axis in vertical direction is in same straight line.Specifically, solid on connecting plate 54
Equipped with positioning sleeve 542, corresponding positioning sleeve 542, positioning sleeve 542 are all inserted into the lower end of pull rod 8, the upper end of high tensile reinforcement 4 respectively
Outside be equipped with screw thread, then pull rod 8 and positioning sleeve 542 and high tensile reinforcement 4 and positioning sleeve 542 are threadedly coupled by sleeve 52,
The connection of pull rod 8 Yu high tensile reinforcement 4 can be completed.The inside of the present embodiment middle sleeve 52 is equipped with step, can so distinguish just
Cooperate with the end shape of positioning sleeve 542 and pull rod 8 or high tensile reinforcement 4.
Embodiment 5
As shown in Fig. 1,12-14, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment
4 difference is: the position of each pull rod 8 is also uniformly dispersed in same circumference B, circumference B and 4 institute of high tensile reinforcement where pull rod 8
Circumference A in the horizontal plane be projected as concentric circles.Further, phase of the pull rod 8 on corresponding circumference B in the present embodiment
Identical as phase of the corresponding high tensile reinforcement 4 on corresponding circumference A, the circumference B diameter where pull rod 8 is circle where high tensile reinforcement 4
Twice of all A diameters.Certainly the circumference A diameter where setting high tensile reinforcement 4 is twice of 8 place circumference B diameter of pull rod, also can
Achieve the effect that stable power transmission.
In addition, being setting connecting hole on connecting plate 54 to connect high tensile reinforcement 4, each connecting hole 544 is also uniformly dispersed in together
One circumference C, and yearned for by center of circle direction radially extend growth bar shaped respectively.Therefore drawing is carried out to the test pile 2 of different-diameter
When dead-load detection, corresponding high tensile reinforcement 4 selects suitable position insertion connecting hole 544 to be attached, so can be flexible
The distribution of adaptation a variety of different size reinforcing bars or the detection of test pile 2 operation.Moreover, due to 8 place of pull rod in the present embodiment
Circumference B and circumference A where high tensile reinforcement 4 in the horizontal plane be projected as concentric circles.Phase of the pull rod 8 on corresponding circumference B
It is identical as phase of the corresponding high tensile reinforcement 4 on corresponding circumference A, therefore pull rod 8 is also that corresponding high tensile reinforcement 4 can be inserted
What connecting hole 544 was attached.
Specifically, pull rod 8 and connecting plate 54 anchor method anchoring by the general concrete of the industry, high tensile reinforcement 4 and even
Fishplate bar 54 is detachably connected by cone anchorage 546.
Embodiment 6
As shown in Fig. 1,14-16, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment
4 difference is: the position of each pull rod 8 is also uniformly dispersed in same circumference B, circumference B and 4 institute of high tensile reinforcement where pull rod 8
Circumference A in the horizontal plane be projected as concentric circles, phase of the pull rod 8 on corresponding circumference B is relative to high tensile reinforcement 4 in phase
The phase on circumference A is answered to turn over the angle α, the degree at the angle α is 45 °.Circumference B and specifically, in the present embodiment, where pull rod 8
Diameter be equal to 4 place circumference A of high tensile reinforcement diameter.
It is setting connecting hole 544 with embodiment 5, on connecting plate 54 to connect high tensile reinforcement 4, each connecting hole 544 is also uniform
It is distributed in same circumference C, and is yearned for by center of circle direction radially extend growth bar shaped respectively.Therefore to the test pile 2 of different-diameter
When carrying out drawing dead-load detection, corresponding high tensile reinforcement 4 selects suitable position insertion connecting hole 544 to be attached, such as
This can flexibly adapt to a variety of different size high tensile reinforcement distributions or the detection of test pile 2 operation.Specifically, high tensile reinforcement 4 is inserted
Enter connecting hole 544, is detachably connected with connecting plate 54 by cone anchorage 546, connecting hole can be also in addition opened up on connecting plate 54
And method anchoring rod 8 and connecting plate 54 are anchored by the general concrete of the industry.
Embodiment 7
As shown in Fig. 1,17-20, a kind of anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, with embodiment
5 difference is: connection structure includes pair of lamina connector, Double-layer connector be include upper plate 56, lower plate 58 and intermediate plate 57
Integral structure, the connecting hole 564,584 of connecting rod 8 and high tensile reinforcement 4 is opened up on upper plate 56 and lower plate 58 respectively.This reality
It applies in example, each connecting hole 564 of upper plate 56 is evenly distributed on same circumference C, and connecting hole 584 is also uniformly dispersed in same in lower plate 58
Circumference D, and yearned for by center of circle direction radially extend growth bar shaped respectively.Therefore it is quiet drawing to be carried out to the test pile 2 of different-diameter
When carrying detection, corresponding high tensile reinforcement 4 selects suitable position insertion connecting hole 584 to be attached, so can be flexible
A variety of different size high tensile reinforcement distributions or the detection of test pile 2 operation are adapted to, as Figure 19 and Figure 21 respectively illustrate high-strength steel
Muscle 4 is connected to the state of 58 different location of lower plate.Specifically, pull rod 8 and connecting plate 54 pass through the general concrete anchor of the industry
Gu method anchors, high tensile reinforcement 4 is detachably connected with connecting plate 54 by cone anchorage 546.
Certainly the deformation as the present embodiment, can also open up at least two groups as shown in figure 22, in lower plate 58 and be distributed in difference
Connecting hole 584 on diameter circumference, the same connection for realizing more than 54 kinds of different distributions high tensile reinforcements of connecting plate.
It should be noted that high tensile reinforcement 4 in the utility model be the logical yield strength referred to of industry reach 400MPa and
The above hot rolled ribbed bars are to aim at detection to need pre-buried reinforcing bar, are different from the enhancing foundation pile intensity being arranged originally in test pile 2
Reinforcing bar.The utility model can also further preferably high tensile reinforcement 4 diameter in 12mm-15mm.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (10)
1. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test, including test pile, the branch set on the test pile two sides
Pier, the girder for being erected on the buttress, being suspended from above the test pile, and the jack on the girder, described thousand
Jin top is connected with power device, and the two sides of the test pile are additionally provided with displacement detecting structure, characterized in that is equipped at least in the test pile
Four are evenly arranged on the pre-buried high tensile reinforcement of same circumference, and it is connecting pin that the test pile top surface is exposed in the high tensile reinforcement upper end,
The output end of the jack connects several pull rods extended downwardly, and the pull rod and the high tensile reinforcement pass through a connection structure
It is dismountable to be connected.
2. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that institute
The diameter of high tensile reinforcement is stated in 12mm-15mm.
3. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that institute
Stating connection structure includes setting internal thread casing, and the lower end of the connecting pin of the high tensile reinforcement and the pull rod is respectively set outer
It is threadedly coupled the both ends of described sleeve pipe.
4. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 3, characterized in that institute
The external screw thread axial length of high tensile reinforcement connecting pin is stated at least equal to described sleeve pipe length.
5. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 3, characterized in that institute
The length for stating casing is equal to twice of high tensile reinforcement connecting pin length, and the external screw thread axial length of the pull rod lower end is extremely
It is equal to described sleeve pipe length less.
6. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that institute
Stating connection structure includes a connecting plate, and the pull rod and high tensile reinforcement are respectively connected to the connecting plate two sides, each pull rod point
Not Dui Ying a high tensile reinforcement and axis in vertical direction be in same straight line.
7. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that institute
Stating connection structure includes a connecting plate, and the pull rod and high tensile reinforcement are respectively connected to the connecting plate two sides, each pull rod
Position is also uniformly dispersed in same circumference, and the circumference where the pull rod and the circumference where the high tensile reinforcement are in the horizontal plane
Be projected as concentric circles.
8. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that institute
Stating connection structure includes a connecting plate, and four pull rods and four high tensile reinforcements are respectively connected to the connecting plate two sides,
The position of each pull rod is also uniformly dispersed in same circumference, the circumference where the pull rod and the circle where the high tensile reinforcement
Week in the horizontal plane be projected as concentric circles, phase of the pull rod on corresponding circumference is relative to the high tensile reinforcement corresponding
Phase on circumference turns over 45° angle.
9. according to the anchor connection method anti-pulling device of the described in any item unit for single-pile vertical anti-pulling static tests of claim 6-8,
It is characterized in, connecting hole is set to connect the high tensile reinforcement, each connecting hole is also uniformly dispersed in same on the connecting plate
Circumference, and yearned for by center of circle direction radially extend growth bar shaped respectively.
10. the anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test according to claim 1, characterized in that
The connection structure includes pair of lamina connector, and the Double-layer connector is the integral type knot for including upper plate, lower plate and intermediate plate
Structure opens up the connecting hole for connecting the pull rod and the high tensile reinforcement on the upper plate and lower plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933239.8U CN208486297U (en) | 2018-06-15 | 2018-06-15 | The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933239.8U CN208486297U (en) | 2018-06-15 | 2018-06-15 | The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test |
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| CN208486297U true CN208486297U (en) | 2019-02-12 |
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| CN201820933239.8U Expired - Fee Related CN208486297U (en) | 2018-06-15 | 2018-06-15 | The anchor connection method anti-pulling device of unit for single-pile vertical anti-pulling static test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258670A (en) * | 2019-07-10 | 2019-09-20 | 启东市建筑设计院有限公司 | A kind of large-tonnage foundation pile pulling resistance testing device and its test method |
| CN113172104A (en) * | 2021-05-07 | 2021-07-27 | 江苏艾可森钢绳有限公司 | Steel wire drawing experimental equipment with recording function |
-
2018
- 2018-06-15 CN CN201820933239.8U patent/CN208486297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258670A (en) * | 2019-07-10 | 2019-09-20 | 启东市建筑设计院有限公司 | A kind of large-tonnage foundation pile pulling resistance testing device and its test method |
| CN113172104A (en) * | 2021-05-07 | 2021-07-27 | 江苏艾可森钢绳有限公司 | Steel wire drawing experimental equipment with recording function |
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