CN107702681A - Simulate the experimental rig and method of Large-scale Storage Tank Foundation sedimentation - Google Patents
Simulate the experimental rig and method of Large-scale Storage Tank Foundation sedimentation Download PDFInfo
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- CN107702681A CN107702681A CN201710778201.8A CN201710778201A CN107702681A CN 107702681 A CN107702681 A CN 107702681A CN 201710778201 A CN201710778201 A CN 201710778201A CN 107702681 A CN107702681 A CN 107702681A
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- lifting device
- storage tank
- test platform
- scale storage
- displacement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
This application provides a kind of experimental rig for simulating Large-scale Storage Tank Foundation sedimentation and method, the device to include：First lifting device, multiple second lifting devices, multiple 3rd lifting devices, the multiple 4th put to the proof device, test platform and control device.Test platform is fixedly connected with first lifting device, second lifting device, the 3rd lifting device and the 4th lifting device.Control device controls first lifting device, and/or second lifting device, and/or the 3rd lifting device, and/or the 4th lifting device to produce axial displacement, so that the test platform produces deformation.Can simulate various different settlement of foundation types using the experimental rig and method influences to caused by Storage Tank bottom plate, can provide technical support for design-build large-scale storage tank.
Description
Technical field
The application belongs to energy technology field, and in particular to a kind of experimental rig for simulating Large-scale Storage Tank Foundation sedimentation, with
And the method that settlement of foundation is produced using the device.
Background technology
Large-scale storage tank is widely used in the industrial circles such as oil, chemical industry, electric power.With domestic economy construction acceleration and state
The reinforcement of family's oil reserve strategy, the quantity and capacity of large-scale storage tank all increase sharply.The large-scale storage tank that China completes for use is most
Large Copacity is 15 ten thousand steres, wherein the large-scale storage tank of 10 ten thousand steres is of common occurrence.Simultaneously as China's industrial layout
Reason and for the ease of transporting and loading and unloading, the built large-scale storage tank in China is mostly in coastal soft clay area, such as Tianjin, Qingdao, Zhoushan
Deng crude oil trans shipment station.And different degrees of sedimentation and deformation, including storage tank can be produced by being built in the large-scale storage tank on soft soil foundation
Overall uniform settlement, dish sedimentation, it is integral inclined sedimentation, local differential settlement and tank week sedimentation etc..It is a large amount of both at home and abroad
Storage tank crash analysis shows, uneven settlement of foundation causes storage tank to destroy the main reason for being accident.
Chinese invention patent CN201010598695.X discloses the inequality in a kind of Thin-Wall Cylindrical Shells structural test at present
Even sedimentation generation device and method, the device include：Circular bottom plate, rigid platfor and several sedimentation transfer devices, sedimentation pass
Delivery device is circumferentially uniformly fixed between circular bottom plate and rigid platfor.Settle transfer device include cuboid steel bar block, on
Screw rod, positive/negative thread adjustable sleeve, lower screw rod, Magnetic gauge stand, dial gauge.Cuboid steel bar block point is welded in the following table of circular bottom plate
One end of face, upper screw rod and lower screw rod screws in positive/negative thread adjustable sleeve respectively, and the other end of upper screw rod is fixed on by nut
On cuboid steel bar block, the other end of lower screw rod is bolted on rigid platfor.Because the sedimentation transfer device will lead to
The lower surface that cuboid steel bar block is along the circumferential direction fixed on circular bottom plate is crossed, it, which settles transfer device, can only be arranged on circular base
At the excircle of plate lower surface, therefore the device can only simulate tank week differential settlement, and the type of ground foundation simulation sedimentation is more single
One.
The content of the invention
In order to overcome the drawbacks described above of prior art, it is large-scale that the technical problems to be solved by the invention are to provide a kind of simulation
The experimental rig and method of storage tank settlement of foundation, it can simulate various different settlement of foundation types and large-scale storage tank structure is caused
Influence.
The present invention concrete technical scheme be：
A kind of experimental rig for simulating Large-scale Storage Tank Foundation sedimentation, including：
First lifting device；
Multiple second lifting devices, the multiple second lifting device surround first lifting device；
Multiple 3rd lifting devices, it is arranged between first lifting device and second lifting device, described
3rd lifting device surrounds first lifting device, and forms concentric structure with second lifting device；
Multiple 4th lifting devices, it is arranged between first lifting device and the 3rd lifting device, described
4th lifting device surrounds first lifting device, and the concentric structure formed with second lifting device；
First lifting device is fixed on the first support body, and second lifting device is fixed on the second support body, institute
State the 3rd lifting device to be fixed on triframe body, the 4th lifting device is fixed on the 4th support body, and second frame
Body, the triframe body and the 4th support body are by multiple end to end compositions of support body unit；
The support body unit includes the first connecting plate and equal with the first connecting plate radian second with radian
Connecting plate, first connecting plate are oppositely arranged with second connecting plate and are fixedly connected by fastener；
At least provided with two same lifting devices on first connecting plate and second connecting plate, and described the
One connecting plate and the orthographic projection of second connecting plate in the horizontal plane are staggered the position of at least one lifting device；
Test platform, it is with first lifting device, second lifting device, the 3rd lifting device and
4th lifting device is fixedly connected；
Control device, it controls first lifting device, and/or second lifting device, and/or the 3rd act
Rise device, and/or the 4th lifting device produces axial displacement, so that the test platform produces deformation；Gather the displacement
Measure and it is analyzed and processed.
In one embodiment, first lifting device, second lifting device, the 3rd lifting device,
And the 4th lifting device all has sleeve and the body of rod in axial sliding in sleeve described in the sleeve interior edge.
In one embodiment, first lifting device, second lifting device, the 3rd lifting device,
And the 4th lifting device is selected from any of electric pushrod, hydraulic stem or piston rod.
In one embodiment, second lifting device is equidistantly arranged on second support body；Described 3rd lifts
Device is risen equidistantly to arrange on the triframe body；4th lifting device is equidistantly arranged on the 4th support body.
In one embodiment, first support body has bottom plate, and be oppositely arranged with the bottom plate with it is described
Bottom plate size identical clamping plate, the clamping plate are fixedly connected with the bottom plate by fastener.
In one embodiment, second lifting device, the 3rd lifting device and the 4th lifting dress
Put and be fixed on by the sleeve on second connecting plate, first lifting device is fixed on the bottom by the sleeve
On plate.
In one embodiment, through hole is all offered on first connecting plate and the clamping plate, described first lifts
Institute can be passed by rising the body of rod of device, second lifting device, the 3rd lifting device and the 4th lifting device
State through hole.
In one embodiment, the upper end of the body of rod is fixed with the first pedestal, and the body of rod passes through described first
Pedestal is fixedly connected with the test platform, and the bottom of the sleeve is fixed with the second pedestal, and the sleeve passes through described
Two pedestals are fixedly connected with second connecting plate and/or the bottom plate.
In one embodiment, the test platform is spliced by multiple fanning strips, and adjacent two pieces of fanning strips pass through
Connector is fixedly connected.
In one embodiment, first support body also includes bearing plate, and the bearing plate is fixed in described first and lifted
On the first pedestal for rising device, so that at least part of multiple fanning strips is fixed on the bearing plate.
In one embodiment, the control device includes controller and host computer, and the host computer sends instruction, with
The controller is set to control first lifting device, second lifting device, the 3rd lifting device, and/or described
4th lifting device produces axial displacement.
In one embodiment, the experimental rig of the simulation Large-scale Storage Tank Foundation sedimentation also includes displacement transducer,
Institute's displacement sensors can detect the displacement of the test platform.
In one embodiment, the experimental rig of the simulation Large-scale Storage Tank Foundation sedimentation also includes amesdial, described
Amesdial can detect first lifting device, second lifting device, the 3rd lifting device and the described 4th
The displacement of lifting device.
In addition, the present invention also provides a kind of test method for simulating Large-scale Storage Tank Foundation sedimentation, including：
The first lifting device, the second lifting device, the 3rd lifting device, and/or the 4th lifting device is controlled to produce predetermined
The displacement of rule, so that test platform deforms upon, and obtains the displacement that the test platform deforms upon；
The current stress of the test platform is determined according to the displacement；
The current stress of the test platform is made comparisons with the safe stress of the test platform, obtains comparative result；
Controller determines the safe coefficient of the test platform according to comparative result.
In one embodiment, the safe stress of the test platform for the test platform maximum stress with it is described
The ratio of the safety coefficient of test platform.
In one embodiment, controller determines the safe coefficient of the test platform according to comparative result, including：
Less than or equal under the strained situation corresponding to maximum stress,
The current stress of the test platform is less than or equal to the safe stress of the test platform, the test platform peace
Entirely；
The current stress of the test platform is more than the safe stress of the test platform, and the test platform is dangerous.
In one embodiment, the displacement of the pre-defined rule is the axial position of the lifting device on same support body
Phase shift is same, and the axial displacement of the lifting device on different support bodys is different and into same ratio from outside to inside.
In one embodiment, the displacement of the pre-defined rule is from the side of the plane to relative along in-plane
The axial displacement of the lifting device of side is different and into same ratio.
In one embodiment, the displacement of the pre-defined rule is in the subregion under test platform covering
Lifting device produce axial displacement, axial displacement does not occur for the lifting device in other regions.
In one embodiment, the displacement of the pre-defined rule is that first lifting device produces identical axial direction position
Move, axial displacement does not occur for other lifting devices.
In one embodiment, the displacement of the pre-defined rule is first lifting device, the second lifting dress
Put, the 3rd lifting device and the 4th lifting device all produce identical axial displacement.
Technical scheme more than, the beneficial effect of the application are：Compared with prior art, simulation of the invention is big
The experimental rig and method of type storage tank settlement of foundation can be by controlling the first lifting device, the second lifting device, the 3rd lifting
Device, and/or the 4th lifting device axial displacement size, to simulate large-scale storage tank entirety uniform settlement, dish is settled, entirety is inclined
The tiltedly different types of sedimentation such as sedimentation, local differential settlement and the sedimentation of tank week influence to caused by Storage Tank bottom plate,
Technical support is provided for design-build large-scale storage tank.
With reference to following explanation and accompanying drawing, the particular implementation of the application is disclose in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in scope.In appended power
In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in individual other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended in any way to limit model disclosed in the present application
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematical, the understanding to the application is used to help, and
It is not the specific shape and proportional sizes for limiting each part of the application.Those skilled in the art, can under teachings of the present application
To select various possible shapes and proportional sizes to implement the application as the case may be.In the accompanying drawings：
Fig. 1 is the structural representation of the experimental rig of the simulation Large-scale Storage Tank Foundation sedimentation of the application embodiment；
Fig. 2 is the structural representation of the lifting device of the application embodiment；
Fig. 3 is the structural representation of the support body unit of the application embodiment；
Fig. 4 is the structural representation of the triframe body of the application embodiment；
Fig. 5 is the partial schematic diagram of the experimental rig of the simulation Large-scale Storage Tank Foundation sedimentation of the application embodiment；
Fig. 6 is the test method flow chart of the simulation Large-scale Storage Tank Foundation sedimentation of the application embodiment.
The reference of the figures above：1st, the second lifting device；11st, the second support body；2nd, the 3rd lifting device；22nd, the 3rd
Support body；201st, the first pedestal；202nd, the body of rod；203rd, sleeve；204th, the second pedestal；3rd, the first lifting device；33rd, the first support body；
4th, the 4th lifting device；44th, the 4th support body；300th, support body unit；301st, connector；302nd, the first connecting plate；303rd, fastener；
304th, the second connecting plate；601st, bearing plate；602nd, clamping plate；603rd, bottom plate；7th, test platform；701st, fanning strip；8th, control device；
801st, amesdial；802nd, displacement transducer
Embodiment
Below in conjunction with the accompanying drawing in the application embodiment, the technical scheme in the application embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the application protection.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The implication that technical staff is generally understood that is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
As shown in Figure 1 and Figure 5, this application provides a kind of experimental rig for simulating Large-scale Storage Tank Foundation sedimentation, the device
Including：First lifting device 3, multiple second lifting devices 1, test platform 7 and control device 8.The multiple second lifting
Device 1 surrounds first lifting device 3.Test platform 7 and first lifting device 3 and second lifting device 1
It is fixedly connected.Control device 8 controls first lifting device 3 and/or second lifting device 1 to produce axial displacement, with
The test platform 7 is set to produce deformation.
The experimental rig of the simulation Large-scale Storage Tank Foundation sedimentation of the present invention when in use, can be controlled using control device 8
First lifting device 3 and/or the second lifting device 1, which produce different degrees of axial displacement, deforms upon test platform 7.And then
It is (such as overall uniform settlement, dish sedimentation, integral inclined sedimentation, local uneven to simulate various different settlement of foundation types
The different types of sedimentation such as sedimentation and the sedimentation of tank week) influence to caused by Storage Tank bottom plate is the large-scale storage of design-build
Tank provides technical support.
In the present embodiment, simulating the experimental rig of Large-scale Storage Tank Foundation sedimentation can be arranged on one piece of substrate, should
Substrate can use one piece of flat board with certain thickness and rigidity to be made.The material of the flat board can select according to being actually needed
Metallic plate, for example, steel plate, iron plate, the application is not intended to be limited in any to this.
Under normal conditions, the first lifting device 3 can be one, and it is arranged in the examination of simulation Large-scale Storage Tank Foundation sedimentation
At the center of experiment device.
Multiple second lifting devices 1 can surround the first lifting device 3, the concrete shape sheet of the second lifting device 1 arrangement
Any restrictions are not done in application, can for example be arranged into circular, quadrangle or polygon.Lead to yet with the tank bottom of large-scale storage tank
Often it is circle, therefore the plurality of second lifting device 1 can circumferentially arrange.
Test platform 7 can generally select the larger metal material of rigidity or composite to be made, and it can be with large-scale storage
Material used in tank reality is identical.The test platform 7 will generally simulate the tank bottom of large-scale storage tank, therefore the test platform 7
Can also be rounded.Test platform 7 is both needed to be fixedly connected with all lifting devices 1 of first lifting device 3 and second.
Control device 8 can control any lifting device 1 of first lifting device 3 and/or second to produce axial displacement, with
The test platform 7 is produced deformation, and then carry out influence of the sedimentation of ground foundation simulation to large-scale storage tank bottom plate.
In one embodiment, in order that the experimental rig stabilized structure of simulation Large-scale Storage Tank Foundation sedimentation and test
Accurately, multiple 3rd lifting devices 2 can be provided between the lifting device 1 of the first lifting device 3 and second.3rd lifting
Device 2 surrounds first lifting device 3, and forms concentric structure with second lifting device 1.Further, described
Multiple 4th lifting devices 4, the 4th lifting device 4 can be set between one lifting device 3 and the 3rd lifting device 2
First lifting device 3 is surrounded, and concentric structure is formed with second lifting device 1.If necessary, can also be first
5th lifting device is set between the lifting device 4 of lifting device 3 and the 4th, and by that analogy, the application does not do any limit to this yet
System.The concentric structure that second lifting device 1, the 3rd lifting device 2 and the 4th lifting device 4 are formed is preferably concentric circles knot
Structure.
First lifting device 3 can be provided with first support body 33, and first lifting device 3 is located at concentric structure
Center, preferably concentric circles home position.
Multiple second lifting devices 1 can be provided with second support body 11.The shape of second support body 11 generally can basis
Be disposed thereon the second lifting device 1 arrangement shape and determine.For example, if being arranged in multiple second lifting devices thereon
1 is square, then the can of the second support body 11 is square.In the present embodiment, because the tank bottom of large-scale storage tank is usual
For circle, then the second lifting device 1 on the second support body 11 will accordingly be arranged to circle, and then preferably, fix second act
The second support body 11 for rising device 1 is also corresponding rounded.Second support body 11 can be arranged on substrate, and can pass through foundation bolt
Carried out with substrate affixed.
The girth of triframe body 22 can be less than the girth of the second support body 11, and the 3rd lifting device on triframe body 22
2 and second the second lifting device 1 on support body 11 be in concentric structure, preferably in concentric structure.Similarly, the shape of triframe body 22
Shape is same with the shape of the second support body 11 can be with rounded.
The girth of 4th support body 44 is typically smaller than the girth of triframe body 22, and the 4th lifting dress on the 4th support body 44
It is in concentric structure that 4, which are put, with second lifting device 1 and the 3rd lifting device 2.Therefore, the shape of the 4th support body 44 with
The shape of second support body 11 and triframe body 22 equally can be with rounded.
For the effect of ground foundation simulation sedimentation, while make the stress equalization of test platform 7, second lifting device 1 as far as possible
Equidistantly arranged on second support body 11；3rd lifting device 2 is equidistantly arranged on the triframe body 22；Described
Four lifting devices 4 are equidistantly arranged on the 4th support body 44.Preferably, what the lifting device on adjacent support body was formed is adjacent
Spacing between two concentric circles is equal with the radius of minimum concentric circles.
Because the experimental rig space of simulation Large-scale Storage Tank Foundation sedimentation is larger, second support body 11, the 3rd frame
The support body 44 of body 22 and the 4th is not easy to be integrally formed, then can be combined into by multiple support body units 300 are end to end.Specifically, such as
Shown in Fig. 3, the support body unit 300 is generally made up of the first connecting plate 302 and the second connecting plate 304, the first connecting plate 302 and
Two connecting plates 304 can be oppositely arranged, and be fixed by fastener 303.Preferably, the both ends of fastener 303 all have
Screw thread, threaded one end are connected with the first connecting plate 302, and other end screw thread is connected with the second connecting plate 304.First connecting plate
302 and second connecting plate 304 can have identical radian, the support body unit 300 so formed also has corresponding radian, more
The end to end support body that may be constructed circle of support body unit 300 of the block with identical radian measure.It should be noted that two neighboring
Fixation can be attached by connector 301 between one connecting plate 302 and/or two neighboring second connecting plate 304.For example,
Two neighboring first connecting plate 302 and/or two neighboring second connecting plate 304 can be bolted on using one block of plate
On the plate.
Similarly, the first lifting device 3 in concentric circles home position needs the first support body 33 to be fixed.Such as Fig. 4 institutes
Show, the first support body 33 has bottom plate 603 and clamping plate 602, and the clamping plate 602 is oppositely arranged with bottom plate 603, and passes through fastener 303
It is fixedly connected.The shape of the bottom plate 603 and clamping plate 602 can have any shape, as long as the first lifting device 3 can be fixed,
Those skilled in the art are not intended to be limited in any to this.
Lifting device is typically secured on the second connecting plate 304 and bottom plate 603.Accompanying drawing 2 is referred to, the lifting device can be with
For any of electric pushrod, hydraulic stem or piston rod.By taking electric pushrod as an example, it has motor, sleeve 203, Yi Jineng
In the interior edge of sleeve 203 body of rod 202 in axial sliding under the driving of the motor.Under normal circumstances, sleeve 203 can be consolidated
It is scheduled on the center line of second connecting plate 304 and/or the bottom plate 603.And first connecting plate 302 and the clamping plate
The through hole for righting is all offered on 602 center line, the body of rod 202 of lifting device can pass the through hole so that first connects
Fishplate bar 302 and/or the clamping plate 602 abut against with the sleeve 203.For example, the first connecting plate 302 and/or the clamping plate 602
It can be connected on the shoulder that sleeve 203 is formed with the body of rod 202.
Further, it is connected to ensure lifting device with test platform 7, the second connecting plate 304 and/or bottom plate 603
Reliability, the upper end of the body of rod 202 can generally be fixed with the first pedestal 201, and the body of rod 202 can pass through described
One pedestal 201 is fixedly connected with the test platform 7.The bottom of the sleeve 203 can be fixed with the second pedestal 204, institute
Sleeve 203 is stated to be fixedly connected with second connecting plate 304 and/or the bottom plate 603 by second pedestal 204.
In addition, the in order that overall knot of the second support body 3, triframe body 22 and the 4th support body 44 that support body unit 300 is formed
Structure consolidates, at least provided with two same lifting devices on first connecting plate 302 and second connecting plate 304, and
First connecting plate 302 and the orthographic projection of second connecting plate 304 in the horizontal plane are at least staggered lifting device
Position.
In a preferred embodiment, the test platform 7 can be spliced by multiple fanning strips 701, and adjacent two
Block fanning strip 701 can be fixedly connected by connector 303.It is understood that the connector 303 can be fixed on it is adjacent
Several small connectors between concentric support body are spliced.So during experiment, if certain block or a few pieces of fanning strips 701 need
When changing, the respective sector plate 701 for needing to change need to be only pulled down, it is not necessary to which monoblock test platform 7 is dismantled, replacing side
Just.Correspondingly, the connector 303 can be fixed in the two radius side of fanning strip 701 bottom and with the first pedestal of lifting device
201 in same level, with the smooth of guarantee test platform 7.
Accompanying drawing 5 is referred to, because the test platform 7 at the central angle of multiple fanning strips 701 is both needed to be fixed on the first lifting
On the body of rod 202 (or first pedestal 201) of device 3.So, due to (or the first pedestal of the body of rod 202 of the first lifting device 3
201) the smaller pressure that can not be born at all central angles of fanning strip 701 of area, on the other hand, the body of rod of the first lifting device 3
202 (or first pedestals 201) easily stress is concentrated and damaged.Therefore, can consolidate on the first pedestal 201 of the first lifting device 3
Bearing plate 601 is connect, so that at least part of multiple fanning strips 701 (such as put down by the experiment of the center of circle Angle Position of fanning strip 701
Platform 7) it is fixed on the bearing plate 601.
In addition, the control device 8 of the experimental rig can include controller and host computer, the controller can be that PLC is controlled
Device processed.The host computer can send displacement commands, make the PLC control first lifting device 3, described second to lift
Rise device 1, the 3rd lifting device 2, and/or the 4th lifting device 4 and produce axial displacement.Specifically, the host computer
The instruction of transmission can be transmitted to PLC, PLC and can transmit signal to the first lifting device by converter
3rd, second lifting device 1, the 3rd lifting device 2 and the 4th lifting device 4, and then control each lifting dress
Put generation axial displacement.
Meanwhile the experimental rig is also provided with displacement transducer 802 and amesdial 801, the displacement transducer 802 can be with
The displacement of monitoring test platform 7 and each lifting device at any time, and displacement real-time delivery to the host computer can be analyzed
Processing.Amesdial 801 can facilitate field personnel to observe at any time, and then the displacement progress to each lifting device is micro-
Adjust.In order to ensure to detect the accuracy of each lifting device axial displacement variable quantity, the displacement transducer 802 and amesdial 801 can
To be placed on the first connecting plate 302.
It should be noted that PLC, converter, displacement transducer 802 and amesdial that the present embodiment provides
801 etc. can select any appropriate existing construction.To be clearly briefly described the technical scheme that the present embodiment is provided, herein
No longer above-mentioned part will be repeated, Figure of description has also carried out corresponding simplification.However, it should be understood that the present embodiment is in model
Place and be not therefore restricted.
In addition, referring to accompanying drawing 6, present invention also offers a kind of test method for simulating Large-scale Storage Tank Foundation sedimentation, bag
Include：
S101：Control first lifting device 3, second lifting device 1, the 3rd lifting device 2, and/or
4th lifting device 4 produces the displacement of pre-defined rule, so that the test platform 7 deforms upon, and obtains the experiment
The displacement that platform 7 deforms upon.
S102：The current stress of the test platform 7 is determined according to the displacement.
S103：The current stress of the test platform 7 is made comparisons with the safe stress of the test platform 7, compared
Relatively result.
S104：Controller determines the safe coefficient of the test platform 7 according to comparative result.
For example, when simulating the dish sedimentation of large-scale storage tank, lifting device on same support body can be made
Axial displacement is identical, and the axial displacement of the lifting device on different support bodys is different and into same ratio from outside to inside.Specifically
Ground, because dish sedimentation refers to the deformation of the tank bottom central protuberance or depression of storage tank.When therefore simulating dish sedimentation, the can be made
One lifting device 3, the second lifting device 1, the axial displacement of the 3rd lifting device 2 and the 4th lifting device 4 are according to certain
Ratio rises or dropped simultaneously simultaneously, and displacement gradually will increase or reduce from outside to inside.
Then, displacement when test platform 7 deforms upon can be detected using displacement transducer 802, it is flat according to experiment
The displacement of platform 7 can calculate current stress when test platform 7 deforms upon.It is emphasized that pass through test platform 7
The current stress of displacement calculation test platform 7 be prior art, the application will not be repeated here.And then less than or equal to most
Under strained situation corresponding to big stress, the current stress is made comparisons with the safe stress of test platform 7, if the experiment is flat
The current stress of platform 7 is less than or equal to the safe stress of the test platform 7, the safety of test platform 7.If the test platform
7 current stress is more than the safe stress of the test platform 7, and the test platform 7 is dangerous.It is it is worth noting that, described
The safe stress of test platform 7 is the maximum stress and the ratio of the safety coefficient of the test platform 7 of the test platform 7.
Similarly, when simulating integral inclined sedimentation, all lifting devices will be along an in-plane from the one of the plane
The axial displacement of side to its opposite side is different and changes into same ratio.Namely along an in-plane from the side of the plane
Axial displacement to its opposite side lifting device is linear, makes the inclined displacement on the whole of test platform 7.When
When simulating local differential settlement, the lifting device in the subregion under the covering of test platform 7 is set to produce axial displacement,
Axial displacement does not occur for the lifting device in other regions, even if also the local location of test platform 7 settles.When simulation tank week
During sedimentation, the first lifting device 1 is set to produce identical axial displacement, axial displacement does not occur for the lifting device of other support bodys.When
When simulating overall uniform settlement, make first lifting device 1, second lifting device 2, the 3rd lifting device 3, with
And the 4th lifting device 4 all produce identical axial displacement, even if test platform 7 rises overally or declined.
Similar with simulation butterfly sedimentation due to simulating above-mentioned different sedimentation types, its specific test operation process refers to
The experiment process of dish sedimentation, the application will not be repeated here.
All articles and reference disclosed in the present invention, including patent application and publication, lead to for various purposes
Cross to quote and be hereby incorporated by.Describe the term " substantially by ... forms " of combination should include determined by element, composition, part or step
Other elements, composition, part or step rapid and essentially without the basic novel feature for influenceing the combination.Use term
"comprising" or " comprising " come the combination of element here, composition, part or step is described it is also contemplated that substantially by these elements, into
Point, the embodiment that forms of part or step.Here by using term " can with ", it is intended to it is described to illustrate that " can with " includes
Any attribute be all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.It is alternative
Ground, single integrated component, composition, part or step can be divided into multiple element, composition, part or the step of separation.It is used for
The open "a" or "an" for describing element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to preceding claims and this
The four corner of the equivalent that a little claims are possessed determines.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part for theme.
Claims (21)
- A kind of 1. experimental rig for simulating Large-scale Storage Tank Foundation sedimentation, it is characterised in that including：First lifting device；Multiple second lifting devices, the multiple second lifting device surround first lifting device；Multiple 3rd lifting devices, it is arranged between first lifting device and second lifting device, and the described 3rd Lifting device surrounds first lifting device, and forms concentric structure with second lifting device；Multiple 4th lifting devices, it is arranged between first lifting device and the 3rd lifting device, and the described 4th Lifting device surrounds first lifting device, and the concentric structure formed with second lifting device；First lifting device is fixed on the first support body, and second lifting device is fixed on the second support body, and described Three lifting devices are fixed on triframe body, and the 4th lifting device is fixed on the 4th support body, and second support body, institute Triframe body and the 4th support body are stated by multiple end to end compositions of support body unit；The support body unit includes the first connecting plate and the equal with the first connecting plate radian second connection with radian Plate, first connecting plate are oppositely arranged with second connecting plate and are fixedly connected by fastener；At least provided with two same lifting devices on first connecting plate and second connecting plate, and described first connects Fishplate bar and the orthographic projection of second connecting plate in the horizontal plane are staggered the position of at least one lifting device；Test platform, it is with first lifting device, second lifting device, the 3rd lifting device and described 4th lifting device is fixedly connected；Control device, it controls first lifting device, and/or second lifting device, and/or the 3rd lifting dress Put, and/or the 4th lifting device produces axial displacement, so that the test platform produces deformation；Gather the displacement simultaneously It is analyzed and processed.
- 2. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that described first lifts Rising device, second lifting device, the 3rd lifting device and the 4th lifting device all has sleeve and in institute State the body of rod in axial sliding of sleeve described in sleeve interior edge.
- 3. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that described first lifts Rise device, second lifting device, the 3rd lifting device and the 4th lifting device and be selected from electric pushrod, liquid Any of depression bar or piston rod.
- 4. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that described second lifts Device is risen equidistantly to arrange on second support body；3rd lifting device is equidistantly arranged on the triframe body；It is described 4th lifting device is equidistantly arranged on the 4th support body.
- 5. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 2, it is characterised in that the first Body has bottom plate, and be oppositely arranged with the bottom plate with the bottom plate size identical clamping plate, the clamping plate and the bottom Plate is fixedly connected by fastener.
- 6. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that described second lifts Rise device, the 3rd lifting device and the 4th lifting device and second connecting plate is fixed on by the sleeve On, first lifting device is fixed on the bottom plate by the sleeve.
- 7. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 5, it is characterised in that described first connects Through hole, first lifting device, second lifting device, the 3rd lifting are all offered on fishplate bar and the clamping plate The body of rod of device and the 4th lifting device can pass the through hole.
- 8. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 5, it is characterised in that the body of rod Upper end is fixed with the first pedestal, and the body of rod is fixedly connected by first pedestal with the test platform, the sleeve Bottom be fixed with the second pedestal, the sleeve passes through second pedestal and second connecting plate and/or the bottom plate It is fixedly connected.
- 9. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that the experiment is flat Platform is spliced by multiple fanning strips, and adjacent two pieces of fanning strips are fixedly connected by connector.
- 10. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 9, it is characterised in that described first Support body also includes bearing plate, and the bearing plate is fixed on the first pedestal of first lifting device, so that multiple fans At least part of shape plate is fixed on the bearing plate.
- 11. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that the control Device includes controller and host computer, and the host computer sends instruction, so that controller control first lifting device, Second lifting device, the 3rd lifting device, and/or the 4th lifting device produce axial displacement.
- 12. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that the simulation The experimental rig of Large-scale Storage Tank Foundation sedimentation also includes displacement transducer, and institute's displacement sensors can detect the test platform Displacement.
- 13. the experimental rig of simulation Large-scale Storage Tank Foundation sedimentation according to claim 1, it is characterised in that the simulation The experimental rig of Large-scale Storage Tank Foundation sedimentation also includes amesdial, and the amesdial can detect first lifting device, institute State the displacement of the second lifting device, the 3rd lifting device and the 4th lifting device.
- A kind of 14. test method for simulating Large-scale Storage Tank Foundation sedimentation, it is characterised in that including：The first lifting device, the second lifting device, the 3rd lifting device, and/or the 4th lifting device is controlled to produce pre-defined rule Displacement so that test platform deforms upon, and obtain the displacement that the test platform deforms upon；The current stress of the test platform is determined according to the displacement；The current stress of the test platform is made comparisons with the safe stress of the test platform, obtains comparative result；Controller determines the safe coefficient of the test platform according to comparative result.
- 15. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that the experiment The safe stress of platform is the maximum stress and the ratio of the safety coefficient of the test platform of the test platform.
- 16. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that controller root The safe coefficient of the test platform is determined according to comparative result, including：Less than or equal to the strained situation corresponding to maximum stress Under,The current stress of the test platform is less than or equal to the safe stress of the test platform, the test platform safety；The current stress of the test platform is more than the safe stress of the test platform, and the test platform is dangerous.
- 17. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that described predetermined The displacement of rule is identical for the axial displacement of the lifting device on same support body, the act on different support bodys from outside to inside The axial displacement for rising device is different and into same ratio.
- 18. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that described predetermined The displacement of rule is different and into phase for the axial displacement along in-plane from the lifting device of the side of the plane to opposite side In proportion.
- 19. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that described predetermined The displacement of rule is that the lifting device in the subregion under test platform covering produces axial displacement, in other regions Lifting device axial displacement does not occur.
- 20. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that described predetermined The displacement of rule produces identical axial displacement for first lifting device, and axial displacement does not occur for other lifting devices.
- 21. the test method of simulation Large-scale Storage Tank Foundation sedimentation according to claim 14, it is characterised in that described predetermined The displacement of rule is first lifting device, second lifting device, the 3rd lifting device and the 4th act Rise device and all produce identical axial displacement.
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| CN201710778201.8A CN107702681B (en) | 2017-09-01 | 2017-09-01 | Test device and method for simulating foundation settlement of large storage tank |
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| CN108592871A (en) * | 2018-04-28 | 2018-09-28 | 中国石油天然气集团有限公司 | Storage tank optic foundation settlement detector and system |
| CN109030200A (en) * | 2018-05-31 | 2018-12-18 | 中国石油天然气集团有限公司 | A kind of method and device of determining margin plate thickness and width |
| CN109099884A (en) * | 2018-06-20 | 2018-12-28 | 中国石油天然气集团有限公司 | Storage tank bottom plate sedimentation simulation and automatic monitoring experiment porch |
| CN111239367A (en) * | 2020-01-21 | 2020-06-05 | 中铁十五局集团有限公司 | Automatic simulation experiment device and method for ground settlement |
| CN111811844A (en) * | 2019-04-11 | 2020-10-23 | 中国石油天然气集团有限公司 | Storage tank settlement testing device and method for testing tank wall change |
| CN114370850A (en) * | 2020-10-16 | 2022-04-19 | 中国石油天然气集团有限公司 | Simulation storage tank settlement experiment table device |
| CN115854976A (en) * | 2021-12-21 | 2023-03-28 | 中集安瑞科工程科技有限公司 | Settlement observation device and method for low-temperature storage tank |
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| CN115854976A (en) * | 2021-12-21 | 2023-03-28 | 中集安瑞科工程科技有限公司 | Settlement observation device and method for low-temperature storage tank |
| CN115854976B (en) * | 2021-12-21 | 2024-01-23 | 中集安瑞科工程科技有限公司 | Sedimentation observation device and method for low-temperature storage tank |
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