CN209372540U - For studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action - Google Patents
For studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action Download PDFInfo
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- CN209372540U CN209372540U CN201821739671.XU CN201821739671U CN209372540U CN 209372540 U CN209372540 U CN 209372540U CN 201821739671 U CN201821739671 U CN 201821739671U CN 209372540 U CN209372540 U CN 209372540U
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Abstract
The utility model is a kind of for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, it is arranged and can fill the native box structure of soil layer including top opening, the rotation earth-retaining cross-sectional structure of simulation tomography is set in native box structure along cross-sectional direction, rotation earth-retaining cross-sectional structure can swing change simulation co-hade, and rotation earth-retaining cross-sectional structure is equipped with the Pipeline Crossing Program channel for being oppositely arranged with the axial ends of native box structure and buried pipeline being allowed to carry out buried depth adjusting；It further include the loading structure that can apply load simulated buried pipeline mechanical property under faulting to native box structure to the experimental rig of buried pipeline mechanism of action for studying a variety of pattern tomographies.The device may be implemented the simulation that buried pipeline under the different fault pattern changing of the relative positions destroys situation, and the tomographies of true reappearance different types is to the mechanism of action of buried pipeline, and structure is simple, easy to operate, simulate effect true and accurate.
Description
Technical field
The utility model relates to geotechnical model analogue technique fields, more particularly to one kind is for studying a variety of pattern tomographies pair
The experimental rig of buried pipeline mechanism of action.
Background technique
With the construction of oil-gas pipeline engineering, more and more pipeline projects need to pass through active fault, and numerous earthquakes
Example shows that the changing of the relative positions of basement rock tomography in earthquake can cause overburden layer that permanent deformation occurs and destroy, and further threatens underground
The operational safety of pipeline.
According to the relative motion relation of fault plane two sides rock mass, tomography can be divided into strike-slip fault, normal fault and reversed fault.Mesh
Before, carry out a series of experimental study under fault movements both at home and abroad, such as test based on the small size of shake table or centrifuge,
Full-scale test etc., but often involve great expense, it is complicated for operation.
Most of experimental rigs are using fixed native box model at present, but are only capable of the dip slip or trend of simulation tomography
Sliding, and co-hade is single, cannot preferably under simulation difference fault pattern buried pipeline destruction situation, and cabinet is most
Using welding form, occupied area is larger, unsuitable test operation.
Therefore, the experimental rig of the true simulation difference fault pattern of design energy causes to cover to further investigation fault movement
The failure mechanism of underground utilities is most important in soil layer.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of for studying a variety of types as a result,
Formula tomography is to the experimental rig of buried pipeline mechanism of action, to overcome the deficiencies of existing technologies.
Utility model content
The purpose of this utility model is to provide a kind of for studying a variety of pattern tomographies to buried pipeline mechanism of action
Experimental rig overcomes the shortcomings of that experimental rig simulation fault pattern is single in the prior art, which may be implemented different tomographies
Buried pipeline destroys the simulation of situation under the pattern changing of the relative positions, the tomographies of true reappearance different types to the mechanism of action of buried pipeline,
And structure is simple, and it is easy to operate, simulate effect true and accurate.
The purpose of this utility model is achieved in that a kind of for studying a variety of pattern tomographies to buried pipeline effect machine
The experimental rig of system, is arranged including top opening and can fill the native box structure of soil layer, and the soil box structure is interior along cross section side
To the rotation earth-retaining cross-sectional structure of setting simulation tomography, the rotation earth-retaining cross-sectional structure can swing change simulation co-hade,
The rotation earth-retaining cross-sectional structure, which is equipped with, to be oppositely arranged with the axial ends of the native box structure and buried pipeline is allowed to carry out
The Pipeline Crossing Program channel that buried depth is adjusted；It is described for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action also
Loading structure including load simulated buried pipeline mechanical property under faulting can be applied to the native box structure.
In a better embodiment of the utility model, the soil box structure include the first model casing for being disposed adjacent and
A rotation earth-retaining cross-sectional structure is arranged close to one end of second model casing in second model casing, first model casing,
A rotation earth-retaining cross-sectional structure, the loading structure is arranged close to one end of first model casing in second model casing
Including that can apply to first model casing along the horizontal addload portion of native box structure cross-sectional direction horizontal load, the load knot
Structure further includes the vertical loading unit that can apply vertical load to second model casing.
In a better embodiment of the utility model, first model casing includes and the cross-section knot of the rotation earth-retaining
The first lateral side plate that structure is oppositely arranged can be torn open between first lateral side plate and the two sides of the rotation earth-retaining cross-sectional structure
First axis side plate is set with unloading, and first lateral side plate, two first axis side plates are removedly set to first
In box baseplate, the bottom of the rotation earth-retaining cross-sectional structure is articulated in first box baseplate；
Second model casing include with second lateral side plate that is oppositely arranged of rotation earth-retaining cross-sectional structure, described the
The second axial lateral plate is removedly set between two lateral side plates and the two sides of the rotation earth-retaining cross-sectional structure, described second is horizontal
It is removedly set in the second box baseplate to side plate, two second axial lateral plates, the rotation earth-retaining cross-sectional structure
Bottom be articulated in second box baseplate.
In a better embodiment of the utility model, the outside setting of first lateral side plate is made of square steel tube
The first transverse frame, it is opposite with Pipeline Crossing Program channel in first lateral side plate and multiple pipeline mistakes are set in interval up and down
Hole, the outside setting of the first axis side plate is from the first side that square steel tube is constituted to frame, the bottom of first box baseplate
The first under(-)chassis being made of square steel tube is arranged in face；Second be made of square steel tube is arranged in the outside of second lateral side plate
Transverse frame, in second lateral side plate be correspondingly arranged multiple pipeline via holes in first lateral side plate, described second
From the second side that square steel tube is constituted to frame, the bottom surface of second box baseplate is arranged by square steel for the outside setting of axial lateral plate
The second under(-)chassis that pipe is constituted, the loading structure energy contact are supported on second under(-)chassis.
It is described that buried pipeline is acted on for studying a variety of pattern tomographies in a better embodiment of the utility model
The experimental rig of mechanism further includes portal frame lateral support structure, and the portal frame lateral support structure includes being capable of fixing
Frame bottom beam, the both ends of the frame bottom beam upwardly extend setting upright of frame respectively, the tops of two upright of frame it
Between connection setting frame top beam, second model casing wears through the portal frame lateral support structure, second mould
In against setting on the inside of the upright of frame of the both lateral sides of molding box and the portal frame lateral support structure.
In a better embodiment of the utility model, the horizontal addload portion and the vertical loading unit are very heavy
Top.
In a better embodiment of the utility model, the both ends of the soil box structure respectively correspond the multiple pipelines of setting
End spring device, the pipe end spring arrangement can connect with buried pipeline and can simulate buried pipeline small deformation section mechanics
Performance.
In a better embodiment of the utility model, the pipe end spring arrangement includes being arranged in the native case
The cylinder of structure end wears screw rod in the cylinder, and one end of the screw rod is removedly connect with buried pipeline, the spiral shell
The other end rotary sleeve of bar is equipped with nut, and a spring is arranged between the nut and the buried pipeline.
In a better embodiment of the utility model, the rotation earth-retaining cross-sectional structure includes along the native box structure
Cross-sectional direction setting cross-section plate, the Pipeline Crossing Program channel, the two sides point of the cross-section plate are set on the cross-section plate
Not along the axial setting rotating side panel of the native box structure, the fan-shaped setting of rotating side panel, the bottom of the rotating side panel
Hinged axle sleeve is set at central angle, and the bottom setting of the soil box structure is able to rotate and can wear the spiral shell by the hinged axle sleeve
Tightening latch, the free end setting of the shank of bolt are capable of fixing the fixture nut of the rotating side panel.
In a better embodiment of the utility model, the central angle of the rotating side panel is 30 °.
From the above mentioned, provided by the utility model for studying test of a variety of pattern tomographies to buried pipeline mechanism of action
Device has the following beneficial effects:
The utility model is used to study a variety of pattern tomographies in the experimental rig of buried pipeline mechanism of action, and rotation is kept off
Native cross-sectional structure can swing change simulation co-hade, the fault pattern of simulation normal fault, reversed fault and strike-slip fault, the device
The buried pipeline that can apply under different buried depth is caused the simulation destroyed by different types tomography, is only individually examined in the past for solving
Consider the defect moved towards sliding or only individually consider dip slip, normal fault, reversed fault, strike-slip fault and its comprehensive function can be studied
Cause the failure mechanism of buried pipeline in overburden layer；The utility model makees buried pipeline for studying a variety of pattern tomographies
With in the experimental rig of mechanism, loading structure can realize vertical load or horizontal addload to native box structure, realize the second model casing
The opposite changing of the relative positions is generated between the first model casing, simulates the load effect under different fault patterns；The utility model is used to grind
A variety of pattern tomographies are studied carefully in the experimental rig of buried pipeline mechanism of action, and the pipe end spring of native box structure axial ends fills
Set can true simulation pipeline small deformation section mechanical property situation of change, once buried pipeline generates axial displacement, pipeline
Spring in end spring device can play good balanced action, be embedded in the soil body with buried pipeline by axial constraint
Real working condition more closely, can simultaneously change spring elongation according to practical buried pipeline length and compressed coefficient simulation is axial draws
Power；The utility model is tied the experimental rig of buried pipeline mechanism of action using detachable for studying a variety of pattern tomographies
Structure, ease of assembly；The utility model operates the experimental rig of buried pipeline mechanism of action for studying a variety of pattern tomographies
Simplicity simulates effect true and accurate, provides new solution for the test of different types FAULT MODEL.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1: being the utility model for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action
Schematic diagram.
Fig. 2: for the main view of the native box structure of the utility model.
Fig. 3: for the side view of the native box structure of the utility model.
Fig. 4: for the side view of the rotation earth-retaining cross-sectional structure of the utility model.
Fig. 5: for the main view of the rotation earth-retaining cross-sectional structure of the utility model.
Fig. 6: for the schematic diagram of the portal frame lateral support structure of the utility model.
Fig. 7: for the schematic diagram of the pipe end spring arrangement of the utility model.
In figure:
100, for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action；
1, native box structure；101, pipeline via hole；
11, the first model casing；111, the first lateral side plate；112, first axis side plate；113, the first box baseplate；
12, the second model casing；121, the second lateral side plate；122, the second axial lateral plate；123, the second box baseplate；
2, earth-retaining cross-sectional structure is rotated；
201, Pipeline Crossing Program channel；21, cross-section plate；22, rotating side panel；221, hinged axle sleeve；
3, portal frame lateral support structure；
31, frame bottom beam；32, upright of frame；33, frame top beam；
4, pipe end spring arrangement；
41, cylinder；42, screw rod；43, nut；44, spring；
5, jack；
9, cuboid pedestal.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
As shown in Figures 1 to 7, the utility model provides a kind of for studying a variety of pattern tomographies to buried pipeline effect machine
The experimental rig 100 of system, is arranged including top opening and can fill the native box structure 1 of soil layer, and native box structure 1 is interior along cross section side
To the rotation earth-retaining cross-sectional structure 2 of setting simulation tomography, rotation earth-retaining cross-sectional structure 2 can swing change simulation co-hade, lead to
Change simulation co-hade is crossed, rotation earth-retaining cross-sectional structure 2 can simulate the tomography type of normal fault, reversed fault and strike-slip fault
Formula；Rotation earth-retaining cross-sectional structure 2, which is equipped with, to be oppositely arranged with the axial ends of native box structure 1 and buried pipeline is allowed to carry out buried depth
The Pipeline Crossing Program channel 201 of adjusting；The experimental rig 100 of buried pipeline mechanism of action is also wrapped for studying a variety of pattern tomographies
Include the loading structure that can apply load simulated buried pipeline mechanical property under faulting to native box structure 1, loading structure energy
Changing of the relative positions load enough is provided for buried pipeline, realizes that stratum acts on the changing of the relative positions of buried pipeline.
The utility model is used to study a variety of pattern tomographies in the experimental rig of buried pipeline mechanism of action, and rotation is kept off
Native cross-sectional structure can swing change simulation co-hade, the fault pattern of simulation normal fault, reversed fault and strike-slip fault, the device
The buried pipeline that can apply under different buried depth is caused the simulation destroyed by different types tomography, is only individually examined in the past for solving
Consider the defect moved towards sliding or only individually consider dip slip, normal fault, reversed fault, strike-slip fault and its comprehensive function can be studied
Cause the failure mechanism of buried pipeline in overburden layer；The utility model makees buried pipeline for studying a variety of pattern tomographies
With in the experimental rig of mechanism, loading structure can load native box structure, simulate the load effect under different fault patterns；This reality
With novel easy to operate to the experimental rig of buried pipeline mechanism of action for studying a variety of pattern tomographies, simulation effect is true
Accurately, new solution is provided for the test of different types FAULT MODEL.
Further, as shown in Figure 1, Figure 2 and Figure 3, native box structure 1 includes the first model casing 11 and the second mould being disposed adjacent
Molding box 12, in a specific embodiment of the utility model, the first model casing 11 is seated on cuboid pedestal 9, due to case
The gravity of body and soil layer, the first model casing 11 stabilization are seated on cuboid pedestal 9；First model casing 11 is close to the second mould
The one rotation earth-retaining cross-sectional structure 2 of one end setting of molding box 12, the second model casing 12 are arranged one close to one end of the first model casing 11
Earth-retaining cross-sectional structure 2 is rotated, is set in distance between two rotation earth-retaining cross-sectional structures 2, loading structure is set to the second model
At case 12, it can be set in distance between two rotation earth-retaining cross-sectional structures 2, it can also be in against setting, pass between the two
System is determined by test demand；
Loading structure includes that can add to the application of the first model casing 11 along the level of native box structure cross-sectional direction horizontal load
Load portion, loading structure further include the vertical loading unit that can apply vertical load to the second model casing 12.Vertical loading unit can be set
It is placed in the bottom of the second model casing 12, provides vertical direction load (load type when normal fault and reversed fault for the second model casing 12
Formula), horizontal addload portion can be set in the axial side of the first model casing 11, provides and is horizontally and perpendicularly to for the first model casing 11
The axis direction load (load pattern when strike-slip fault) of buried pipeline, horizontal addload portion and vertical loading unit can also be made simultaneously
For native box structure, realizes and generate the opposite changing of the relative positions between the second model casing 12 and the first model casing 11, simulate different tomographies
Load effect under pattern.
Further, as shown in Figures 2 and 3, the first model casing 11 includes the be oppositely arranged with rotation earth-retaining cross-sectional structure 2
First axle is removedly arranged between first lateral side plate 111 and the two sides for rotating earth-retaining cross-sectional structure 2 in one lateral side plate 111
To side plate 112, the first first axis side plate 112 of lateral side plate 111, two is removedly set in the first box baseplate 113,
The bottom of rotation earth-retaining cross-sectional structure 2 is articulated in the first box baseplate 113；Two first axis side plates 112 are connected by screw rod
Be connected to the two sides of the first lateral side plate 111, in the first box baseplate 113 with the first lateral side plate 111, first axis side plate 112
Opposite side portion interval welding setting shank of bolt, the first lateral side plate 111, the bottom of first axis side plate 112 and each bolt
Bolt hole is arranged in the opposite position of bar, and the first lateral side plate 111 and two first axis side plates 112 are connected to first by screw rod
In box baseplate 113.
Second model casing 12 includes the second lateral side plate 121 being oppositely arranged with rotation earth-retaining cross-sectional structure 2, and second laterally
Second axial lateral plate 122, the second lateral side plate are removedly set between side plate 121 and the two sides for rotating earth-retaining cross-sectional structure 2
121, two the second axial lateral plates 122 are removedly set in the second box baseplate 123, rotate the bottom of earth-retaining cross-sectional structure 2
Portion is articulated in the second box baseplate 123.Two the second axial lateral plates 122 are connected to the second lateral side plate 121 by screw rod
Two sides, the side portion interval opposite with the second lateral side plate 121, the second axial lateral plate 122 welding is set in the second box baseplate 123
Shank of bolt is set, bolt hole is arranged in the second lateral side plate 121, the position that the bottom of the second axial lateral plate 122 is opposite with each shank of bolt,
Second lateral side plate 121 and two the second axial lateral plates 122 are connected in the second box baseplate 123 by screw rod.
Further, as shown in Figures 2 and 3, (can fix using welding manner) is arranged in the outside of the first lateral side plate 111
The first transverse frame being made of square steel tube, the first transverse frame in sphere of movements for the elephants be arranged, each square steel tube of the first transverse frame with
It is reinforced between first lateral side plate 111 by L shape reinforcing rib；It is opposite with Pipeline Crossing Program channel 201 in first lateral side plate
And multiple pipeline via holes 101 are set in interval up and down, the outside setting of first axis side plate 112 (can be solid using welding manner
It is fixed) from the first side that square steel tube is constituted to frame, the first side is arranged to frame in sphere of movements for the elephants, each square steel tube of first side to frame
It is reinforced between first axis side plate 112 by L shape reinforcing rib；The bottom surface setting of first box baseplate 113 (can use
Welding manner is fixed) the first under(-)chassis for being made of square steel tube；Horizontal addload portion can horizontal contact in first axis side plate
112 axial side provides the axis direction load for being horizontally and perpendicularly to buried pipeline (when strike-slip fault for the first model casing 11
Load pattern)；
Second that the outside setting (can be fixed using welding manner) of second lateral side plate 121 is made of square steel tube is lateral
Frame, the second transverse frame are arranged in sphere of movements for the elephants, pass through between each square steel tube of the second transverse frame and the second lateral side plate 121
L shape reinforcing rib is reinforced；In second lateral side plate 121 be correspondingly arranged multiple pipeline via holes in the first lateral side plate 111
101, the outside of the second axial lateral plate 122 setting (can be fixed using welding manner) is from the second side that square steel tube is constituted to frame
Frame, the second side are arranged to frame in sphere of movements for the elephants, and the second side passes through L between each square steel tube and the second axial lateral plate 122 of frame
Shape reinforcing rib is reinforced；The bottom surface setting (can be fixed using welding manner) of second box baseplate 123 is made of square steel tube
The second under(-)chassis, vertical loading unit energy contact, which is supported on the second under(-)chassis, provides vertical direction for the second model casing 12
Load generally welds twice support beam in the bottom surface of the second box baseplate 123, is used for the branch of loading structure (vertical loading unit)
Support point.Multiple pipeline via holes 101 are set at the different depth of native 1 axial ends of box structure, for wearing burying for different buried depth
Ground pipeline, thus the research of the buried pipeline under realizing different buried depth.
Further, as shown in fig. 6, for studying a variety of pattern tomographies to the experimental rig 100 of buried pipeline mechanism of action
It further include portal frame lateral support structure 3, in a specific embodiment of the utility model, for studying a variety of pattern tomographies
Experimental rig 100 to buried pipeline mechanism of action includes the portal frame lateral support structure 3 of two parallel intervals setting；Door
Formula frame lateral support structure 3 includes the frame bottom beam 31 being capable of fixing, and frame bottom beam 31 can be fixed on ground by high-strength bolt
Bolt hole is generally arranged in base on frame bottom beam 31, and high-strength ground bolt is fixedly installed on ground；The both ends of frame bottom beam 31
Upwardly extend setting respectively (can fix) upright of frame 32 using welding manner, connect between the top of two upright of frame 32
(can be fixed using welding manner) frame top beam 33 is set, and the second model casing 12 is worn through portal frame lateral support structure
3, in against setting on the inside of the both lateral sides of the second model casing 12 and the upright of frame 32 of portal frame lateral support structure.Gate-type
Frame lateral support structure 3 can limit the lateral displacement of the second model casing 12.
Further, as shown in Figure 1 and Figure 7, the both ends of native box structure 1 respectively correspond the multiple pipe end spring arrangements of setting
4, pipe end spring arrangement 4 can connect with buried pipeline and can simulate buried pipeline small deformation section mechanical property.
As shown in Figure 1 and Figure 7, in the present embodiment, pipe end spring arrangement 4 includes being arranged in native box structure end
Cylinder 41, wear screw rod 42 in cylinder 41, one end of screw rod 42 is removedly connect with buried pipeline, in the utility model
In one specific embodiment, the pipeline nut that can be connect with screw rod 42 is arranged in the end of buried pipeline；The other end of screw rod 42 rotates
It is arranged with nut 43, a spring 44 is arranged between nut 43 and buried pipeline.
Buried pipeline at nearly tomography generates large deformation under fault movement effect, and perpendicular far from the buried pipeline at tomography
To with soil body associated movement, only generate axial deformation (deformation smaller, small deformation can be referred to as) under fault movement effect, because
This, the both ends of native box structure 1 can true simulation pipeline small deformation section mechanical property using pipe end spring arrangement 4
Situation of change, once buried pipeline generates axial displacement, the spring in pipe end spring arrangement 4 can play flat well
Weighing apparatus effect is embedded in the soil body by the real working condition of axial constraint more closely, and can be according to actually burying with buried pipeline
Ground length of pipeline changes spring elongation and the compressed coefficient simulates axial tension.
Further, as shown in Figure 4 and Figure 5, rotation earth-retaining cross-sectional structure 2 includes the cross-sectional direction setting along native box structure
Cross-section plate 21, Pipeline Crossing Program channel 201 is set on cross-section plate 21, and Pipeline Crossing Program channel 201 is rectangle open-work, rectangle open-work
Length direction is arranged along buried depth direction, and when the rotation adjustment of earth-retaining cross-sectional structure 2 rotates angle, Pipeline Crossing Program channel always can be with soil
The pipeline via hole 101 of 1 axial ends of box structure is opposite, so that making to rotate earth-retaining cross-sectional structure 2 can satisfy a variety of buried depths, a variety of
The operating condition of co-hade.
Respectively along the axial setting rotating side panel 22 of native box structure 1, rotating side panel 22 is fan-shaped to be set for the two sides of cross-section plate 21
It sets, hinged axle sleeve 221 is set at the bottom central angle of rotating side panel 22, the bottom setting of native box structure 1 is able to rotate and can wear
By the shank of bolt of hinged axle sleeve 221, the free end setting of shank of bolt is capable of fixing the fixture nut of rotating side panel 22.It is practical at this
In a novel specific embodiment, the central angle alpha of rotating side panel 22 is 30 °.
Use carrying out for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action for the utility model
Buried pipeline failure mechanism study when, test the following steps are included:
Step a, the frame bottom beam 31 of portal frame lateral support structure 3 is fixed on ground by high-strength bolt, completed
The installation positioning of portal frame lateral support structure 3；
Step b, the assembling of the first model casing 11 and the second model casing 12 is completed, and rotation earth-retaining cross-sectional structure 2 is adjusted
It is fixed after to the co-hade of requirement；
Step c, the first model casing 11 is seated on cuboid pedestal 9, the second model casing 12 is arranged in portal frame
In lateral support structure 3, when studying the operating condition of normal fault and reversed fault, jack 5 is placed in the lower section of the second model casing 12, thousand
Jin top 5 contacts on the second under(-)chassis be embodied as the second model casing 12 provide vertical direction load；Study strike-slip fault
When operating condition, 5 contact of jack is acted in the middle part of the first axis side plate of the first model casing 11, to be embodied as the first model casing 11
The axis direction load for being horizontally and perpendicularly to buried pipeline is provided；
Step d, buried pipeline penetrates native box structure 1 by pipeline via hole 101, and buried pipeline passes through the rotation cross-section knot of earth-retaining
The both ends in the Pipeline Crossing Program channel 201 on structure 2, buried pipeline are connect with the screw rod of pipe end spring arrangement 4, and real simulation is buried
The stress condition of ground pipeline small deformation section；
Step e, measuring instrument (prior art) is arranged in native box structure, in native 1 embedded set soil layer of box structure and is compacted,
Apply load (vertical load, horizontal load or two kinds of load) by jack pair soil box structure 1, simulates buried pipeline in tomography
Mechanical property under effect；
Step f, buried pipeline is taken out from native box structure, is destroyed to it by load as defined in completion and after the load time
Deformation is recorded and analyzed, and completes different fault forms and load to the study on mechanism of buried pipeline.
From the above mentioned, provided by the utility model for studying test of a variety of pattern tomographies to buried pipeline mechanism of action
Device has the following beneficial effects:
The utility model is used to study a variety of pattern tomographies in the experimental rig of buried pipeline mechanism of action, and rotation is kept off
Native cross-sectional structure can swing change simulation co-hade, the fault pattern of simulation normal fault, reversed fault and strike-slip fault, the device
The buried pipeline that can apply under different buried depth is caused the simulation destroyed by different types tomography, is only individually examined in the past for solving
Consider the defect moved towards sliding or only individually consider dip slip, normal fault, reversed fault, strike-slip fault and its comprehensive function can be studied
Cause the failure mechanism of buried pipeline in overburden layer；The utility model makees buried pipeline for studying a variety of pattern tomographies
With in the experimental rig of mechanism, loading structure can realize vertical load or horizontal addload to native box structure, realize the second model casing
The opposite changing of the relative positions is generated between the first model casing, simulates the load effect under different fault patterns；The utility model is used to grind
A variety of pattern tomographies are studied carefully in the experimental rig of buried pipeline mechanism of action, and the pipe end spring of native box structure axial ends fills
Set can true simulation pipeline small deformation section mechanical property situation of change, once buried pipeline generates axial displacement, pipeline
Spring in end spring device can play good balanced action, be embedded in the soil body with buried pipeline by axial constraint
Real working condition more closely, can simultaneously change spring elongation according to practical buried pipeline length and compressed coefficient simulation is axial draws
Power；The utility model is tied the experimental rig of buried pipeline mechanism of action using detachable for studying a variety of pattern tomographies
Structure, ease of assembly；The utility model operates the experimental rig of buried pipeline mechanism of action for studying a variety of pattern tomographies
Simplicity simulates effect true and accurate, provides new solution for the test of different types FAULT MODEL.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (10)
1. a kind of for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, which is characterized in that including top
Portion's opening setting and the native box structure that soil layer can be filled, the interior rotation that simulation tomography is set along cross-sectional direction of the soil box structure
Earth-retaining cross-sectional structure, the rotation earth-retaining cross-sectional structure can swing change simulation co-hade, the rotation earth-retaining cross-sectional structure
It is equipped with and is oppositely arranged with the axial ends of the native box structure and allows the Pipeline Crossing Program of buried pipeline progress buried depth adjusting logical
Road；It is described for study a variety of pattern tomographies further include to the experimental rig of buried pipeline mechanism of action can be to the native box structure
Apply the loading structure of load simulated buried pipeline mechanical property under faulting.
2. as described in claim 1 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the soil box structure includes the first model casing and the second model casing being disposed adjacent, and first model casing is close to institute
A rotation earth-retaining cross-sectional structure is arranged in the one end for stating the second model casing, and second model casing is close to first model casing
One end be arranged a rotation earth-retaining cross-sectional structure, the loading structure include can to first model casing application along native case
The horizontal addload portion of feature cross-section direction horizontal load, the loading structure further include that can apply to erect to second model casing
The vertical loading unit of straight load.
3. as claimed in claim 2 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is, first model casing includes the first lateral side plate being oppositely arranged with the rotation earth-retaining cross-sectional structure, described the
First axis side plate is removedly set between one lateral side plate and the two sides of the rotation earth-retaining cross-sectional structure, described first is horizontal
It is removedly set in the first box baseplate to side plate, two first axis side plates, the rotation earth-retaining cross-sectional structure
Bottom be articulated in first box baseplate；
Second model casing includes the second lateral side plate being oppositely arranged with the rotation earth-retaining cross-sectional structure, and described second is horizontal
To between side plate and the two sides of the rotation earth-retaining cross-sectional structure, the second axial lateral plate, second cross side are removedly set
Plate, two second axial lateral plates are removedly set in the second box baseplate, the bottom of the rotation earth-retaining cross-sectional structure
Portion is articulated in second box baseplate.
4. as claimed in claim 3 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the first transverse frame being made of square steel tube, first lateral side plate is arranged in the outside of first lateral side plate
It is upper opposite with Pipeline Crossing Program channel and in the multiple pipeline via holes of interval setting up and down, the outside of the first axis side plate be arranged by
To frame, the first bottom frame being made of square steel tube is arranged in the bottom surface of first box baseplate for the first side that square steel tube is constituted
Frame；The outside of second lateral side plate is arranged the second transverse frame being made of square steel tube, in second lateral side plate with
Multiple pipeline via holes are correspondingly arranged in first lateral side plate, the outside setting of second axial lateral plate is made of square steel tube
The second side to frame, the second under(-)chassis being made of square steel tube, the load is arranged in the bottom surface of second box baseplate
Structure energy contact is supported on second under(-)chassis.
5. as claimed in claim 2 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is, described for studying a variety of pattern tomographies further includes that portal frame is lateral to the experimental rig of buried pipeline mechanism of action
Support construction, the portal frame lateral support structure include the frame bottom beam being capable of fixing, the both ends difference of the frame bottom beam
Setting upright of frame is upwardly extended, connection setting frame top beam, second model between the top of two upright of frame
Case is worn through the portal frame lateral support structure, and the both lateral sides of second model casing and the portal frame are lateral
In against setting on the inside of the upright of frame of support construction.
6. as claimed in claim 2 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the horizontal addload portion and the vertical loading unit are jack.
7. as described in claim 1 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the both ends of the soil box structure respectively correspond the multiple pipe end spring arrangements of setting, the pipe end spring dress
Buried pipeline small deformation section mechanical property can be connect with buried pipeline and can simulate by setting.
8. as claimed in claim 7 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the pipe end spring arrangement includes the cylinder for being arranged in the native box structure end, wears spiral shell in the cylinder
One end of bar, the screw rod is removedly connect with buried pipeline, and the other end rotary sleeve of the screw rod is equipped with nut, the spiral shell
A spring is arranged between cap and the buried pipeline.
9. as described in claim 1 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the rotation earth-retaining cross-sectional structure includes the cross-section plate along the cross-sectional direction setting of the native box structure, the cross
The Pipeline Crossing Program channel is set on disconnected plate, and the two sides of the cross-section plate are respectively along the axial setting rotary side of the native box structure
Plate, the fan-shaped setting of rotating side panel, the hinged axle sleeve of setting at the bottom central angle of the rotating side panel, the soil box structure
Bottom setting be able to rotate and can wear the shank of bolt by the hinged axle sleeve, the free end setting of the shank of bolt is capable of fixing
The fixture nut of the rotating side panel.
10. as claimed in claim 9 for studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action, spy
Sign is that the central angle of the rotating side panel is 30 °.
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| CN201821739671.XU CN209372540U (en) | 2018-10-25 | 2018-10-25 | For studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action |
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| CN201821739671.XU CN209372540U (en) | 2018-10-25 | 2018-10-25 | For studying a variety of pattern tomographies to the experimental rig of buried pipeline mechanism of action |
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| CN111289349A (en) * | 2020-03-09 | 2020-06-16 | 中国科学院武汉岩土力学研究所 | Constant-pressure servo ground stress loading tunnel anti-fault-failure test device |
| CN111537434A (en) * | 2020-05-11 | 2020-08-14 | 西南石油大学 | Stride earthquake fault buried pipeline test device |
| CN112304790A (en) * | 2020-12-17 | 2021-02-02 | 山西理工红日节能服务有限公司 | Fatigue test method for heat supply directly-buried pipeline |
| CN112435527A (en) * | 2020-12-02 | 2021-03-02 | 哈尔滨工业大学（威海） | Matching type box structure for simulating fault motion |
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| CN111537434A (en) * | 2020-05-11 | 2020-08-14 | 西南石油大学 | Stride earthquake fault buried pipeline test device |
| CN112651151A (en) * | 2020-12-01 | 2021-04-13 | 中国石油大学(北京) | Test device for simulating pipeline to pass through slip fault and determination method |
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| CN113008496A (en) * | 2021-02-18 | 2021-06-22 | 山东科技大学 | Experimental method for performance evaluation under action of dislocation load of buried pressurizing pipeline |
| CN113008496B (en) * | 2021-02-18 | 2022-02-25 | 山东科技大学 | Experimental method for performance evaluation under action of dislocation load of buried pressurizing pipeline |
| CN114544483A (en) * | 2022-02-24 | 2022-05-27 | 北京工业大学 | Pipeline connecting device for loading equivalent linear spring |
| CN114544483B (en) * | 2022-02-24 | 2024-02-06 | 北京工业大学 | Pipeline connecting device for loading equivalent linear spring |
| CN116773379A (en) * | 2023-08-21 | 2023-09-19 | 山东科技大学 | Axial load and transverse reciprocating action coupling test device for pressurizing pipeline |
| CN116773379B (en) * | 2023-08-21 | 2023-11-17 | 山东科技大学 | Axial load and transverse reciprocating action coupling test device for pressurizing pipeline |
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