CN108487341A - A kind of large-tonnage static test counterforce structure and static-load testing device - Google Patents
A kind of large-tonnage static test counterforce structure and static-load testing device Download PDFInfo
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- CN108487341A CN108487341A CN201810644238.6A CN201810644238A CN108487341A CN 108487341 A CN108487341 A CN 108487341A CN 201810644238 A CN201810644238 A CN 201810644238A CN 108487341 A CN108487341 A CN 108487341A
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 230000003068 static effect Effects 0.000 title claims abstract description 55
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 7
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- 238000005259 measurement Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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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
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Abstract
The present invention relates to building fields, it is intended to solve the problems, such as that experimental rig in the prior art there are measurement result deviation is big, provides large-tonnage static test counterforce structure and static-load testing device when carrying out the experiment for the foundation pile to large-tonnage.Large-tonnage static test counterforce structure comprising girder, column, slant-pull structure.Vertically vertically branch is set on the span centre position of girder upper surface for column, and girder is located at the part of column both sides respectively by slant-pull structure tensioning in the upper end of column, and the slant-pull structure of both sides is symmetrical about column.The length of girder is nearby respectively arranged with the resistance to plucking structure for being anchored in basis to both ends, and the setting of resistance to plucking structure anchoring lower ends, upper end are configured to mate to the corresponding end of girder and can limit the displacement of girder vertically upwards.The foundation pile static loading test of more large-tonnage is integrally can adapt to the beneficial effects of the invention are as follows structure and can obtain the measurement accuracy increased.
Description
Technical field
The present invention relates to building fields, in particular to a kind of large-tonnage static test counterforce structure and static test
Device.
Background technology
Static test is the experiment for testing foundation pile bearing capacity.It typically is the counterforce structures to provide counter-force as base
Plinth, pushes foundation pile with top power device, then measures sedimentation value of the foundation pile under finder charge, and holding for foundation pile is obtained for calculating analysis
Carry power.
However experimental rig in the prior art for the foundation pile to large-tonnage when carrying out the experiment that there are measurement results
The big problem of deviation.
Invention content
The present invention is intended to provide a kind of large-tonnage static test counterforce structure, is existed with solving experimental rig in the prior art
There is a problem of that measurement result deviation is big when carrying out the experiment for the foundation pile to large-tonnage.
Another object of the present invention is to provide a kind of static tests having above-mentioned large-tonnage static test counterforce structure
Device.
What the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of large-tonnage static test counterforce structure comprising girder, is no less than one group at column
Slant-pull structure and no less than one group of resistance to plucking structure；
The column is vertically vertically propped up set on the span centre position of the girder upper surface, and the girder is more than for height etc.
In 0.5 meter of steel I-beam or steel beam with box shape；
The girder and column are connected with no less than one group of slant-pull structure, under the lower end and girder of the slant-pull structure
The upper end of end connection, slant-pull structure upper end and column connects, and stretching end is located at the lower end of slant-pull structure, any one group of slant-pull structure
It is symmetrical about the column；
The length of the girder is anchored in basic resistance to plucking structure, resistance to plucking structure lower end anchor to being provided with no less than one group
It is fixed set, upper end is configured to mate to the corresponding end of the girder and can limit the displacement of the girder vertically upwards, appoint
One group of resistance to plucking structure of anticipating is symmetrical about the column；
The position of slant-pull structure lower end pulling force and the position of the vertical uplift force in resistance to plucking structure upper end away from
From 6 times less than or equal to main depth of beam.
Large-tonnage static test counterforce structure in the present embodiment is for providing counter-force needed for static test.For to base
When the static test of stake, two resistance to plucking structures are respectively arranged at the both sides of foundation pile to be tested, and anchoring lower ends are in basis.Girder span centre
Lower surface the upper end of foundation pile is supported in by a top power device (such as jack).The upward top lift of jack is by large-tonnage static load
Counterforce structure balance is tested, by being applied to the measurement of the parameters such as the load of foundation pile and the sedimentation deformation of foundation pile under the system and dividing
Analysis calculates, and obtains the bearing capacity value of required pile foundation.
In the present embodiment by being set as respectively limiting at the both ends of girder by resistance to plucking structure, be capable of providing larger
Counter-force can bear larger upward sample load, and add column at girder center, at the both ends of girder and column top
It is separately connected slant-pull structure between end, increases the bending strength of girder, can adapt to balance in the anchoring pile counter-force of more large-tonnage
Method foundation pile static loading test.
The large-tonnage static test counterforce structure in the embodiment of the present invention is capable of providing larger counter-force as a result, and corresponding
Main beam structure is configured to the bending strength for having larger, remains to keep minimum curved in the foundation pile static loading test of large-tonnage
Song deformation allows structure integrally to can adapt to the base of more large-tonnage to measure and calculate control errors in smaller range
Stake and can obtain the measurement accuracy increased at static test.
In an embodiment of the present embodiment：
Resistance to plucking structure includes for being anchored in basic pulling resistant anchor pile and the cooperation girder being connect with pulling resistant anchor pile and being used for
Limit the limiting section of the upward displacement of girder.
In an embodiment of the present embodiment：
Resistance to plucking structure includes being laminated on the secondary beam of girder upper surface.Secondary beam extends along perpendicular to the direction of girder, and secondary beam
It is long to each extend over out girder both sides to both ends.The length of secondary beam has position limiting structure to both ends corresponding matching, for limit secondary beam to
Upper displacement.Position limiting structure includes the reaction beam being laminated on secondary beam, is anchored in the pulling resistant anchor pile on basis and vertically limits reaction beam
Position it is connected to the anchor pole of pulling resistant anchor pile.
In an embodiment of the present embodiment：
Reaction beam extends along perpendicular to the direction of secondary beam, and the length of reaction beam each extends over the both sides of place's secondary beam to both ends.
The length of reaction beam offers the channel vertically penetrated through to centre position respectively to the width at both ends.The length of reaction beam is distinguished to both ends
It is connected to pulling resistant anchor pile by an anchor pole.The position of the corresponding channel of reaction beam is connected to anti-by an anchor pole across channel
It weighs anchor stake.
In an embodiment of the present embodiment：
Resistance to plucking structure further includes joist.Joist is located at the lower section of girder.Girder is sandwiched in centre by joist and secondary beam.Secondary beam and
Anchor pole is connected, for limiting shifting up for girder.Joist is vertically movably connected in anchor pole, to adjust girder
Gap width between vertical height and girder and top power device for applying top lift.
Based on being vertically movably connected in the joist of anchor pole under the embodiment, the present embodiment middle girder can be direct
It is carried on joist, it then can be by vertically adjusting the position of joist come the indirect vertical height for adjusting girder and girder and use
Gap width between the top power device for applying top lift.
In an embodiment of the present embodiment：
Slant-pull structure is symmetrically disposed on two the first oblique pull parts of column both sides and is symmetrically disposed on two of column both sides
Second oblique pull part.The lower end of first oblique pull part is matched with the end of girder, and the second oblique pull part is matched with end and the span centre of girder
Between position.Angle between first oblique pull part and girder is less than the angle between the second oblique pull part and girder.
In an embodiment of the present embodiment：
First oblique pull part and the second oblique pull part include horizontal axis holder, lower connection horizontal axis, upper connection horizontal axis and two drawings
Bar.Horizontal axis holder is fixed on the lower face of girder, and lower connection horizontal axis is connected to horizontal axis holder, and lower connection horizontal axis is axially vertical
In girder length to.The axial both ends of lower connection horizontal axis are stretched out respectively except the two sides of girder.Upper connection horizontal axis is connected to vertical
The upper end close to corresponding upper connection horizontal axis side of column, and upper connection horizontal axis and lower connection horizontal axis are parallel.Two pull rods point
Not Wei Yu girder both sides, and be connected to connection horizontal axis and lower connection horizontal axis between the corresponding end of the side so that lower to connect
Horizontal axis, upper connection horizontal axis and two pull rods connect the frame like structure to form rectangle.
In an embodiment of the present embodiment：
Pull rod and it is upper connection horizontal axis between and/or it is lower connection horizontal axis between connection type be：
The through-hole radially penetrated through is opened up between upper connection horizontal axis and/or with the end of lower connection horizontal axis, the two of pull rod
End setting external screw thread, the end of pull rod passes through corresponding through-hole, and is threadingly attached to the spiral shell at the external screw thread of tie rod end
Mother is by pull rod tensioning in corresponding upper connection horizontal axis and lower connection horizontal axis.
In an embodiment of the present embodiment：
Upper connection horizontal axis is articulated in column.Lower connection horizontal axis is articulated in horizontal axis holder.
The embodiment of the present invention also provides a kind of static-load testing device comprising top power device and large-tonnage static test above-mentioned
Counterforce structure.Top power device is configured to vertically be supported in the upper surface for waiting for test pile.Large-tonnage static test counter-force knot
Structure is configured to the upper end for making the span centre position of the lower surface of its girder be supported in top power device and makes under two resistance to plucking structures
End is anchored in basis and positioned at the both sides for waiting for test pile.
In summary it describing, the large-tonnage static test counterforce structure in the embodiment of the present invention is capable of providing larger counter-force,
And corresponding main beam structure is configured to the bending strength for having larger, remains to keep in the foundation pile static loading test of large-tonnage
Minimum flexural deformation allows structure integrally to can adapt to bigger to measure and calculate control errors in smaller range
The foundation pile static loading test of tonnage and the measurement accuracy increased can be obtained.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Show a kind of topology view of embodiment of the static-load testing device in the embodiment of the present invention (in figure in Fig. 1
Additional illustrate with dashed lines waits for test pile)；
Fig. 2 is the vertical view of Fig. 1；
Topology view (the figure of the another embodiment of the static-load testing device in the embodiment of the present invention is shown in Fig. 3
In additionally illustrate with dashed lines wait for test pile)；
Fig. 4 is the vertical view of Fig. 3.
Icon：010- static-load testing devices；100- large-tonnage static test counterforce structures；B1- slant-pull structures；B4- first
Oblique pull part；B5- the second oblique pull parts；B2- resistance to plucking structures；B3- position limiting structures；1- foundation piles；2- pulling resistant anchor piles；3- pushes up power device；4- master
Beam；5- columns；6- pull rods；Horizontal axis is connected on 71-；Horizontal axis is connected under 72-；8- secondary beams；9- horizontal axis holders；10- reaction beams；11-
Connector；12- joists；13- backing plates；14- anchor poles；15- nuts；16- reaction plates；51- connections ear.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that if occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.If only being used in addition, occurring term " first ", " second " etc. in description of the invention
It is described in distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" refers to only that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment
A kind of topology view (the figure of embodiment of the static-load testing device 010 in the embodiment of the present invention is shown in Fig. 1
In additionally illustrate with dashed lines wait for test pile 1)；Fig. 2 is the vertical view of Fig. 1.
Referring to Fig. 1, Fig. 2, the embodiment of the present invention also provides a kind of static-load testing device 010 comprising top power device 3 and big ton
Position static test counterforce structure 100.Top power device 3 is configured to vertically be supported in the upper surface for waiting for test pile 1, large-tonnage
Static test counterforce structure 100 is set on top power device 3, for providing counter-force.Its application method is large-tonnage static test
Counterforce structure 100 is fixedly connected with basis, and top power device 3 applies top lift, the jacking to large-tonnage static test counterforce structure 100
The counter-force of power is acted on the upper end of foundation pile 1 by top power device 3.Sedimentation value of the test pile 1 under the action of the counter-force is waited for by measuring
Etc. parameters, separation the bearing capacity of foundation pile 1 is calculated.
Top power device 3 in the present embodiment can be the devices such as hydraulic jack.Optionally, it is set in the upper end pad of top power device 3
Backing plate 13 reduces damage of the top power device 3 to large-tonnage static test counterforce structure 100.
As described above, the large-tonnage static test counterforce structure 100 in the present embodiment is for providing counter-force.Inventor exists
In engineering time the study found that using counterforce structure in the prior art for finder charge is medium or lower experiment when,
The value accuracy error of the bearing capacity measured is little, meets construction quality, safe design requirement；However for finder charge ton
When larger experiment (such as 300T load or so) in position, often there is that measure bearing capacity value deviation larger, or even greatly deviates from reality
The situation of value, this brings larger potential risk to the safety of Design of Foundation.To solve the problems, such as this, present inventor
A kind of novel large-tonnage static test counterforce structure 100 is provided, the larger experiment of finder charge tonnage is can be applied to, and
The measurement result for obtaining degree of precision, meets quality, the safe design requirement of pile foundation, meets engineering requirements.
Large-tonnage static test counterforce structure 100 in the present embodiment includes girder 4, column 5, no less than one group of oblique pull knot
Structure B1 and no less than one group of resistance to plucking structure B2.In the present embodiment, girder 4 is the steel I-beam or case that height is more than or equal to 0.5 meter
Section steel beam.Vertically vertical branch is connected with no less than one to column 5 set on the span centre position of 4 upper surface of girder, girder 4 with column 5
The slant-pull structure B1 of group, the lower end of slant-pull structure B1 are connect with the lower end of girder 4, the upper end of the upper ends slant-pull structure B1 and column 5
Connection, stretching end are located at the lower end of slant-pull structure B1, and any one group of slant-pull structure B1 is symmetrical about column 5.Girder 4 is located at column
The part of 5 both sides is respectively by slant-pull structure B1 tensioning in the upper end of column 5, and the slant-pull structure B1 of both sides is right about column 5
Claim.The length of girder 4 is nearby respectively arranged with the resistance to plucking structure B2 for being anchored in basis to both ends, and resistance to plucking structure B2 anchoring lower ends are set
It sets, upper end is configured to mate to the corresponding end of girder 4 and can limit the displacement of girder 4 vertically upwards.Cooperation referring to Fig. 1 or
Fig. 2, large-tonnage static test counterforce structure 100 are configured to that the span centre position of the lower surface of its girder 4 is made to be supported in top power device 3
Upper end and make the anchoring lower ends of two resistance to plucking structure B2 in basis and positioned at the both sides for waiting for test pile 1.Under slant-pull structure B1
The position of pulling force is held to be less than or equal to the 6 of the height of girder 4 at a distance from the position of the vertical uplift force in the upper ends resistance to plucking structure B2
Times.
Large-tonnage static test counterforce structure 100 in the present embodiment is for providing counter-force needed for static test.For
When to the static test of foundation pile 1, two resistance to plucking structure B2 are respectively arranged at the both sides of foundation pile 1 to be tested, and anchoring lower ends are in basis.
The lower surface of 4 span centre of girder is supported in the upper end of foundation pile 1 by a top power device 3 (such as jack).The upward top lift of jack
It is balanced by large-tonnage static test counterforce structure 100, by being applied to the load of foundation pile 1 and the sedimentation position of foundation pile 1 under the system
The measurement and analysis of the parameters such as shifting calculate, and obtain the bearing capacity value of required pile foundation.
It is set as respectively limiting at the both ends of girder 4 by resistance to plucking structure B2 in the present embodiment, be capable of providing larger anti-
Power can bear larger upward sample load, and add column 5 at 4 center of girder, at the both ends of girder 4 and column 5
It is separately connected slant-pull structure B1 between top, increases the bending strength of girder 4, can adapt to the anchoring pile counter-force in more large-tonnage
1 static test of balancing method foundation pile.As a result, the large-tonnage static test counterforce structure 100 in the embodiment of the present invention be capable of providing compared with
Big counter-force, and 4 structure of corresponding girder is configured to the bending strength for having larger so that it is whole to can adapt to more large-tonnage
1 static test of foundation pile.
In an embodiment of the present embodiment, resistance to plucking structure B2 includes 2 He of pulling resistant anchor pile for being anchored in basis
The cooperation girder 4 being connect with pulling resistant anchor pile 2 and the limiting section for limiting the upward displacement of girder 4.Optionally, resistance to plucking structure B2
Secondary beam 8 including being laminated on 4 upper surface of girder.Secondary beam 8 extends along perpendicular to the direction of girder 4, and the length of secondary beam 8 is distinguished to both ends
Extend 4 both sides of girder.The length of secondary beam 8 has position limiting structure B3 to both ends corresponding matching, for limiting shifting up for secondary beam 8.
Position limiting structure B3 includes the reaction beam 10 being laminated on secondary beam 8, is anchored in the pulling resistant anchor pile 2 on basis and reaction beam 10 is vertical
Limit it is connected to the anchor pole 14 of pulling resistant anchor pile 2.Reaction beam 10 extends along perpendicular to the direction of secondary beam 8, and the length of reaction beam 10
The both sides of place's secondary beam 8 are each extended over to both ends.The length of reaction beam 10 offers vertically to the width at both ends to centre position respectively
The channel of perforation.The length of reaction beam 10 is connected to pulling resistant anchor pile 2 by an anchor pole 14 respectively to both ends.The correspondence of reaction beam 10
The position in channel passes through the anchor pole 14 in channel to be connected to pulling resistant anchor pile 2 by one.Optionally, resistance to plucking structure B2 further includes joist
12.Joist 12 is located at the lower section of girder 4.Girder 4 is sandwiched in centre by joist 12 and secondary beam 8.Secondary beam 8 and anchor pole 14 are connected,
For limiting shifting up for girder 4.Joist 12 is vertically movably connected in anchor pole 14, to adjust the vertical height of girder 4
Gap width between degree and girder 4 and top power device 3 for applying top lift.Based on vertically movable under the embodiment
Ground is connected to the joist 12 of anchor pole 14, and the present embodiment middle girder 4 can be directly carried on joist 12, then can be by vertically adjusting
Between the next vertical height for adjusting girder 4 indirectly in position and girder 4 of section joist 12 and the top power device 3 for applying top lift
Gap width.
In the present embodiment, anchor pole 14 can be set and sequentially pass through joist 12, secondary beam 8, reaction beam 10, and in the upper end of anchor pole 14
15 or less threaded coupling nut is pressed on reaction beam 10, drags joist 12 in 15 or more the middle part threaded coupling nut of anchor pole 14.It needs
When can by adjust above and below nut 15 adjust be defined between joist 12 and secondary beam 8 height of girder 4 and with top
Gap between power device 3.In the present embodiment, pulling resistant anchor pile 2 can be fixed on one end in basis, the other end is set as stretching out basis
The connector 11 of the plate-like on surface, 14 lower end of anchor pole are arranged through the connector 11 of pulling resistant anchor pile 2, and are threadingly attached to
The lower surface of the connector 11 of pulling resistant anchor pile 2 is pressed on the nut 15 of 14 lower end of anchor pole.Optionally, anchor pole 14 can be threaded bar,
Outer surface is all distributed external screw thread.
Optionally, the upper surface pad of place is passed through to set reaction plate 16 in anchor pole 14 on reaction beam 10, nut 15 directly presses
In on reaction plate 16, to protect reaction beam 10.
Girder 4, secondary beam 8 in the present embodiment may be configured as box-beam structure.
With continued reference to Fig. 1, Fig. 2, in the present embodiment, slant-pull structure B1 is symmetrically disposed on two first of 5 both sides of column tiltedly
Draw piece B4 and two the second oblique pull part B5 for being symmetrically disposed on 5 both sides of column.The lower end of first oblique pull part B4 is matched with girder 4
End, the second oblique pull part B5 are matched with the position between the end and span centre of girder 4.Between first oblique pull part B4 and girder 4
Angle is less than the angle between the second oblique pull part B5 and girder 4.Such as the first angle between oblique pull part B4 and girder 4 is set as
30 °, the angle between the second oblique pull part B5 and girder 4 is set as 45-60 °.Optionally, the first oblique pull part B4 and the second oblique pull part
B5 includes horizontal axis holder 9, lower connection horizontal axis 72, upper connection horizontal axis 71 and two pull rods 6.Horizontal axis holder 9 is fixed on girder 4
Lower face, lower connection horizontal axis 72 is connected to horizontal axis holder 9, and the length for being axially perpendicular to girder 4 of lower connection horizontal axis 72 to.Under
The axial both ends of connection horizontal axis 72 are stretched out respectively except the two sides of girder 4.Upper connection horizontal axis 71 is connected to the close right of column 5
The upper end for upper 71 side of connection horizontal axis answered, and upper connection horizontal axis 71 and lower connection horizontal axis 72 are parallel.Two pull rods 6 distinguish position
In the both sides of girder 4, and connection horizontal axis 71 and lower connection horizontal axis 72 are connected between the corresponding end of the side so that lower connection
Horizontal axis 72, upper connection horizontal axis 71 and two pull rods 6 connect the first oblique pull part B4 or the institute for the frame like structure for forming rectangle
State the second oblique pull part B5.
In an embodiment of the present embodiment, between pull rod 6 and upper connection horizontal axis 71 and/or with lower connection horizontal axis 72
Between connection type be：It opens up between upper connection horizontal axis 71 and/or with the end of lower connection horizontal axis 72 and radially penetrates through
External screw thread is arranged in the both ends of through-hole, pull rod 6, and the end of pull rod 6 passes through corresponding through-hole, and is threadingly attached to 6 end of pull rod
Nut 15 at the external screw thread in portion is by 6 tensioning of pull rod in corresponding upper connection horizontal axis 71 and lower connection horizontal axis 72.Upper connection horizontal axis
71 are articulated in column 5.Lower connection horizontal axis 72 is articulated in horizontal axis holder 9.Optionally, two be matched at 71 both ends of connection horizontal axis
By steel wire rope (not shown) to tension between nut 15, to prevent 6 stress overloading fault termination of pull rod from flying out.
Optionally, the both sides of the upper end of the present embodiment central post 5 each extend over the connection ear 51 to form two intervals, upper company
It connects horizontal axis 71 and is articulated in being correspondingly connected between ear 51 of column 5, and the both ends of upper connection horizontal axis 71 are stretched out outside connection ear 51
Side, for the pull rod 6 that is connected.Wherein it is used to coordinate the engaging lug of the first oblique pull part B4 compared to for coordinating the second oblique pull part
The engaging lug of B5 is more top.
Fig. 3, Fig. 4 show the present invention static-load testing device 010 another embodiment, with Fig. 1, Fig. 2 shows
Technical solution the difference is that, the girder 4 of Fig. 3 Fig. 4 is shorter, and accordingly, the slant-pull structure B1 positioned at 5 both sides of column is only set
Set an oblique pull part connection.
In summary it describes, the large-tonnage static test counterforce structure 100 in the embodiment of the present invention is capable of providing larger anti-
Power, and 4 structure of corresponding girder is configured to the bending strength for having larger so that the whole foundation pile that can adapt to more large-tonnage
1 static test.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of large-tonnage static test counterforce structure, it is characterised in that：
Including girder, column, no less than one group of slant-pull structure and no less than one group of resistance to plucking structure；
Vertically vertically for branch set on the span centre position of the girder upper surface, the girder is that height is more than or equal to the column
0.5 meter of steel I-beam or steel beam with box shape；
The girder is connected with no less than one group of slant-pull structure with column, and the lower end of the slant-pull structure and the lower end of girder connect
Connect, the connection of the upper end of slant-pull structure upper end and column, stretching end is located at the lower end of slant-pull structure, any one group of slant-pull structure about
The column is symmetrical；
The length of the girder is set to the no less than one group resistance to plucking structure for being anchored in basis, the resistance to plucking structure anchoring lower ends are provided with
It sets, upper end is configured to mate to the corresponding end of the girder and can limit the displacement of the girder vertically upwards, any one
Group resistance to plucking structure is symmetrical about the column；
The position of slant-pull structure lower end pulling force is small at a distance from the position of the vertical uplift force in resistance to plucking structure upper end
In equal to 6 times of main depth of beam.
2. large-tonnage static test counterforce structure according to claim 1, it is characterised in that：
The resistance to plucking structure includes the cooperation master for being anchored in basic pulling resistant anchor pile and being connect with the pulling resistant anchor pile
Beam and the limiting section for being used to limit the upward displacement of girder.
3. large-tonnage static test counterforce structure according to claim 1, it is characterised in that：
The resistance to plucking structure includes being laminated on the secondary beam of the girder upper surface；
The secondary beam extends along perpendicular to the direction of the girder, and the length of the secondary beam each extends over out the girder to both ends
Both sides；
The length of the secondary beam has position limiting structure to both ends corresponding matching, for limiting shifting up for the secondary beam；
The position limiting structure includes the reaction beam being laminated on the secondary beam, be anchored in basis pulling resistant anchor pile and will it is described instead
Power beam vertical spacing it is connected to the anchor pole of the pulling resistant anchor pile.
4. large-tonnage static test counterforce structure according to claim 3, it is characterised in that：
The reaction beam extends along perpendicular to the direction of the secondary beam, and to both ends to each extend over place described for the length of the reaction beam
The both sides of secondary beam；The length of the reaction beam offers the channel vertically penetrated through to centre position respectively to the width at both ends；
The length of the reaction beam is connected to the pulling resistant anchor pile by an anchor pole respectively to both ends；Pair of the reaction beam
The position in the channel is answered to pass through the anchor pole in the channel to be connected to the pulling resistant anchor pile by one.
5. large-tonnage static test counterforce structure according to claim 3, it is characterised in that：
The resistance to plucking structure further includes joist；The joist is located at the lower section of the girder；
The girder is sandwiched in centre by the joist and the secondary beam；The secondary beam and the anchor pole are connected, for limiting
The girder shifts up；The joist is vertically movably connected in the anchor pole, to adjust the vertical of the girder
Gap width between height and girder and top power device for applying top lift.
6. large-tonnage static test counterforce structure according to claim 1, it is characterised in that：
The slant-pull structure includes being symmetrically disposed on two the first oblique pull parts of the column both sides and being symmetrically disposed on described vertical
Two the second oblique pull parts of column both sides；
The lower end of the first oblique pull part is matched with the end of the girder, and the second oblique pull part is matched with the end of the girder
Position between portion and span centre；Angle between the first oblique pull part and the girder be less than the second oblique pull part with it is described
Angle between girder.
7. large-tonnage static test counterforce structure according to claim 6, it is characterised in that：
The first oblique pull part and the second oblique pull part include horizontal axis holder, lower connection horizontal axis, upper connection horizontal axis and two
A pull rod；
The horizontal axis holder is fixed on the lower face of the girder, and the lower connection horizontal axis is connected to the horizontal axis holder, and institute
State it is lower connection horizontal axis the length for being axially perpendicular to the girder to；The master is stretched out at the axial both ends of the lower connection horizontal axis respectively
Except the two sides of beam；
The upper connection horizontal axis is connected to the upper end close to corresponding upper connection horizontal axis side of the column, and upper connection horizontal axis
It is parallel with the lower connection horizontal axis；
Two pull rods are located at the both sides of the girder, and are connected to the upper connection horizontal axis and the lower connection horizontal axis
Between the corresponding end of the side so that the lower connection horizontal axis, the upper connection horizontal axis and two pull rods connect to be formed
The frame like structure of rectangle.
8. large-tonnage static test counterforce structure according to claim 7, it is characterised in that：
The pull rod and it is described it is upper connection horizontal axis between and/or it is described it is lower connection horizontal axis between connection type be：
The through-hole radially penetrated through is opened up between the upper connection horizontal axis and/or with the end of the lower connection horizontal axis, it is described
External screw thread is arranged in the both ends of pull rod, and the end of the pull rod passes through corresponding through-hole, and is threadingly attached to tie rod end
Nut at external screw thread is by the pull rod tensioning in the corresponding upper connection horizontal axis and the lower connection horizontal axis.
9. large-tonnage static test counterforce structure according to claim 7, it is characterised in that：
The upper connection horizontal axis is articulated in the column；The lower connection horizontal axis is articulated in the horizontal axis holder.
10. a kind of static-load testing device, it is characterised in that：
The static-load testing device includes top power device and claim 1-9 any one of them large-tonnage static test counter-force knots
Structure；
The top power device is configured to vertically be supported in the upper surface for waiting for test pile；
The large-tonnage static test counterforce structure is configured to make the span centre position of the lower surface of its girder to be supported in the top
The upper end of power device and make the anchoring lower ends of two resistance to plucking structures in basis and positioned at the both sides for waiting for test pile.
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| CN201810644238.6A CN108487341B (en) | 2018-06-21 | 2018-06-21 | Large-tonnage static load test reaction structure and static load test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162305A (en) * | 2018-11-14 | 2019-01-08 | 中国建材检验认证集团徐州有限公司 | A kind of foundation pile static load test recyclable ground anchor counterforce device |
| CN109667291A (en) * | 2018-12-24 | 2019-04-23 | 侯伯贵 | Architecture foundation pile and pull up that pulling force between crossbeam is counter to pull out attachment device |
| CN109778924A (en) * | 2019-03-13 | 2019-05-21 | 福建方实工程检测有限公司 | The test method of bearing capacity of pile foundation |
| CN110018045A (en) * | 2019-03-01 | 2019-07-16 | 安徽省交通控股集团有限公司 | A kind of counterforce device for pier stud pseudo-static experimental |
| CN111650047A (en) * | 2020-07-09 | 2020-09-11 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN113417321A (en) * | 2021-07-01 | 2021-09-21 | 中机国能电力工程有限公司 | Static load test counter-force device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261449Y (en) * | 1995-04-28 | 1997-09-03 | 北京海淀路通铁路新技术联合开发公司 | Testing apparatus for static load of pile foundation |
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
| CN204959836U (en) * | 2015-09-30 | 2016-01-13 | 林春伟 | Counter -force device of super large tonnage ballast platform |
| CN205329738U (en) * | 2016-01-31 | 2016-06-22 | 郑州大学 | Novel umbelliform ground bearing capacity detecting device |
| CN106320392A (en) * | 2016-08-19 | 2017-01-11 | 中铁大桥局集团有限公司 | Large-tonnage pile foundation test loading device |
| CN106638726A (en) * | 2016-12-30 | 2017-05-10 | 中冶沈勘工程技术有限公司 | Counter-force structure of static load test and static load test system |
-
2018
- 2018-06-21 CN CN201810644238.6A patent/CN108487341B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261449Y (en) * | 1995-04-28 | 1997-09-03 | 北京海淀路通铁路新技术联合开发公司 | Testing apparatus for static load of pile foundation |
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
| CN204959836U (en) * | 2015-09-30 | 2016-01-13 | 林春伟 | Counter -force device of super large tonnage ballast platform |
| CN205329738U (en) * | 2016-01-31 | 2016-06-22 | 郑州大学 | Novel umbelliform ground bearing capacity detecting device |
| CN106320392A (en) * | 2016-08-19 | 2017-01-11 | 中铁大桥局集团有限公司 | Large-tonnage pile foundation test loading device |
| CN106638726A (en) * | 2016-12-30 | 2017-05-10 | 中冶沈勘工程技术有限公司 | Counter-force structure of static load test and static load test system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162305A (en) * | 2018-11-14 | 2019-01-08 | 中国建材检验认证集团徐州有限公司 | A kind of foundation pile static load test recyclable ground anchor counterforce device |
| CN109667291A (en) * | 2018-12-24 | 2019-04-23 | 侯伯贵 | Architecture foundation pile and pull up that pulling force between crossbeam is counter to pull out attachment device |
| CN110018045A (en) * | 2019-03-01 | 2019-07-16 | 安徽省交通控股集团有限公司 | A kind of counterforce device for pier stud pseudo-static experimental |
| CN110018045B (en) * | 2019-03-01 | 2022-01-28 | 安徽省交通控股集团有限公司 | Counterforce device for pier stud pseudo-static test |
| CN109778924A (en) * | 2019-03-13 | 2019-05-21 | 福建方实工程检测有限公司 | The test method of bearing capacity of pile foundation |
| CN111650047A (en) * | 2020-07-09 | 2020-09-11 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN111650047B (en) * | 2020-07-09 | 2020-12-22 | 中国水利水电科学研究院 | Large-tonnage soil load test vertical counter-force loading device and loading method thereof |
| CN113417321A (en) * | 2021-07-01 | 2021-09-21 | 中机国能电力工程有限公司 | Static load test counter-force device |
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