CN105203387A - Pipe-soil model tester for use under impact of site settlement and faulting - Google Patents
Pipe-soil model tester for use under impact of site settlement and faulting Download PDFInfo
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- CN105203387A CN105203387A CN201510636191.5A CN201510636191A CN105203387A CN 105203387 A CN105203387 A CN 105203387A CN 201510636191 A CN201510636191 A CN 201510636191A CN 105203387 A CN105203387 A CN 105203387A
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Abstract
The invention relates to a pipe-soil model tester for use under impact of site settlement and faulting, comprising a fixed box, a vertical moving box and a horizontal moving box arranged in order. Soil in the three boxes is an organically combined whole. A test pipe penetrates the three boxes. The fixed box is welded or anchored to a fixed table. The vertical moving box is disposed on a temporary support rack. The horizontal moving box is disposed on a line position rail through roller modules mounted at the bottom of the horizontal moving box. A loading portion comprises an MTS power apparatus, a vertical loading jack and a transverse loading jack. The whole structure is fixed on a ground anchor. The tester is capable of simulating the impact of two site environments, namely non-uniform settlement and faulting, upon lines buried in the tester and also capable of simulating the impact of coupling action of the two environments upon mechanical properties of the lines, simulation similarity is satisfied, complex site conditions such as non-uniform settlement and faulting are simplified, indoor testing operations are facilitated, and simulating stress condition of the buried lines is facilitated.
Description
Technical field
The present invention relates to the test unit that space enrironment affects pipeline, specifically the sedimentation of a kind of place and tomography impact under pipeline-soil model test unit.
Background technology
Underground pipeline is widely used at conveying water, oil, gas and in communication, power supply, traffic and draining etc., has become the main artery of modern industry production and urban life.Nowadays pipeline destroys in occupation of chief reason because of the change of bad border, place, thus understands the mechanism that place change causes pipeline damage, has important using value to the research of safety of underground pipeline and reliability.Piping system analogue means great majority under existing site condition simulate single space enrironment to the impact of pipeline, under the environment of earthquake, pipeline is often subject to the impact of multiple site condition, thus one is needed can either to simulate different site condition, as tomography and non-uniform settling, comprehensive multiple site condition can act on test unit on pipeline again simultaneously.
Summary of the invention
The present invention is intended to solve the excessive problem of stressing conditions study limitation property, complex operation, complex structure and volume that existing piping system analogue means exists, and provide one not only can simulate the change of single space enrironment, multiple place can be made again to convert combine, practical, the pipeline-soil model test unit under the place sedimentation in saving test period and land used space and tomography affect.
The present invention solves described problem, and the technical scheme of employing is:
Place sedimentation and the lower pipeline-soil model test unit of tomography impact, comprise be arranged in order layout static housing, vertical mobile box, move horizontally casing, the soil body in three casings is the entirety of combination, and test pipe runs through three casings;
Static housing welds or is anchored on fixed station, and the sidewall of static housing side adjacent with vertical mobile box is provided with vertical breast boards, and static housing top is provided with charging assembly I;
Vertical mobile box is placed on temporary support stand, vertical mobile box top is connected with MTS power-equipment by chaining part, vertical mobile box top is provided with charging assembly II, and vertical mobile box and the sidewall moving horizontally the adjacent side of casing are provided with side direction breast boards;
Moving horizontally casing is placed on line Bit Track by the pulley assembly II installed bottom it, line Bit Track is fixed on fixed support, the sidewall moving horizontally casing side adjacent with vertical mobile box is provided with side direction breast boards, move horizontally on casing lateral wall and roll wheel assembly is installed, the bearing roller of roll wheel assembly rolls along the line position be arranged in side supports, side supports is independent setting, move horizontally casing to be provided with and laterally to load lifting jack, move horizontally casing top and be provided with charging assembly I.
Adopt the present invention of technique scheme, compared with prior art, its outstanding feature is:
1. can carry out the duct test of different tube diameters, wall thickness or material, formed and directly contrast, the size observing each factor affect it, has saved a sizable part and has buried the time underground simultaneously;
2. can simulate the buried depth of different depth, true altitude and the packing of burying the soil body on the upside of body underground need not be controlled, effectively solve the problem of upside insufficient space and control soil body stability.
3. the space enrironment situation of tubing fracture can be simulated, the impact of sedimentation on the mechanical property of pipeline can be simulated separately again, key is the situation of two kinds of places distortion to carry out simultaneously, and what more gear to actual circumstances obtains the stressing conditions of pipeline when multiple place change and deformation.
As preferably, the present invention further technical scheme is:
Run through static housing, vertical mobile box, the test pipe that moves horizontally casing be three, three test pipes are built up in two different height, static housing lateral wall, move horizontally casing lateral wall and output three corresponding test pipes respectively and stretch out hole.
Be arranged on static housing/charging assembly I moved horizontally on casing to comprise and vertically load lifting jack, force transmission rack and lifting jack fixed mount, force transmission rack is pressed in be buried underground above complete test pipe, lifting jack fixed mount is fixed on static housing/move horizontally on casing, and the vertical lifting jack that loads is carried on force transmission rack by lifting jack fixed mount.
Vertical mobile box top equilibrium is provided with two cover charging assembly II, charging assembly II comprises and vertically loads lifting jack, force transmitting board and lifting jack fixed mount, force transmitting board is pressed in be buried underground above complete test pipe, lifting jack fixed mount is fixed on vertical mobile box, and the vertical lifting jack that loads is carried on force transmitting board by lifting jack fixed mount.
Be arranged on the roll wheel assembly moved horizontally on casing lateral wall be two covers and be upper and lowerly arranged symmetrically with, often overlap roll wheel assembly and two bearing rollers are set, two bearing roller threaded rods are put on, upper, middle and lower are propped with channel-section steel with the fastening nuts of corresponding size respectively, channel-section steel with move horizontally casing lateral wall and be welded and fixed.
Side supports is three corner steadies, the vertical edges of three corner steadies is fixed with the line position of the bearing roller in roll wheel assembly.
Be arranged on the pulley assembly moving horizontally bottom half be two covers and be left and rightly arranged symmetrically with, pulley assembly is pulley row, pulley row is assemblied in by channel steel support the bottom moving horizontally casing, and pulley row is placed in line Bit Track, line Bit Track is made up of channel steel support, both sides angle steel, and channel steel support is fixed on the fixed support of bottom.
Accompanying drawing explanation
Fig. 1 is the elevational schematic view of the embodiment of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is roll wheel assembly structural representation;
Fig. 4 is pulley block structure schematic diagram;
Fig. 5 is charging assembly I structural representation;
Fig. 6 is charging assembly I and moves horizontally box body assembling structure schematic diagram;
Fig. 7 is charging assembly II structural representation;
Fig. 8 is the hole location figure that test pipe passes casing.
In figure: 1-MTS power-equipment, 2-static housing, the vertical mobile box of 3-, 4-moves horizontally casing, 5-side supports, 6-chaining part, 7-roll wheel assembly, 8-pulley assembly, 9-line Bit Track, 10-side direction breast boards, 11-temporary support stand, the vertical breast boards of 12-, 13-fixed station, 14-charging assembly I, 15-charging assembly II, 16-laterally loads lifting jack, 17-bearing roller, 18-threaded rod, 19-nut, 20-line position, 21-pulley is arranged, 22-vertically loads lifting jack, 23-force transmission rack, 24-lifting jack fixed mount, 25-force transmitting board, 26-steelframe door, 27-hole.
concrete embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, and object is only better to understand content of the present invention, and the cited case not limits the scope of the invention.
See Fig. 1, Fig. 2, pipeline-soil model test unit under the sedimentation of a kind of place and tomography affect, comprise be arranged in order layout static housing 2, vertical mobile box 3, move horizontally casing 4, the soil body in three casings is the entirety organically combined, and test pipe runs through three casings.
In the present embodiment, running through static housing 2, vertically mobile box 3, moving horizontally the test pipe of casing 4 is three, three test pipes are built up in two different height, static housing 2 lateral wall, move horizontally and casing 4 lateral wall output respectively the hole 27(that three corresponding test pipes stretch out and see Fig. 8).Three test pipes are built up in different two highly can make the Interaction Force of pipeline reduce, and saves the cycle of test, and in identical test environment, forms directly contrast between three test pipes.
Static housing 2 is anchored on fixed station 13, fixed station 13 is that the channel-section steel of the 160 × 60mm of 8mm is welded relatively by thickness, be anchored on trench after overlap joint shaping ideal height, static housing 2 and the sidewall of the vertical adjacent side of mobile box 3 are welded with vertical breast boards 12.On fixed station 13, make it stablize motionless static housing 2 anchoring (or welding), object ensures that two ends are symmetrical when the place distortion doing non-uniform settling, simulation pipeline without line length, guarantee its stability; Vertical breast boards 12 leaks outside to stop the soil body in sedimentation.
Treat body bury underground complete after charging assembly I14 is assemblied in static housing 2 top.In the present embodiment, charging assembly I14 is formed by vertically loading lifting jack 22, force transmission rack 23 and lifting jack fixed mount 24, force transmission rack 23 is pressed in be buried underground above complete test pipe, lifting jack fixed mount 24 is fixed on static housing 2, and the vertical lifting jack 22 that loads is carried in (see Fig. 5, Fig. 6) on force transmission rack 23 by lifting jack fixed mount 24.
Vertical mobile box 3 is placed on temporary support stand 11, temporary support stand 11 is not connected with trench and casing, temporary support stand 11 supports vertical mobile box 3, prevent body bury underground with soil body compacting process in destroy propulsion system, removed before on-test.
Vertical mobile box 3 top is connected with MTS power-equipment 1 by chaining part 6, chaining part 6 by two pieces of reserved anchor holes and the steel plate of thickness 20mm and horizontal steelframe assembling anchoring form; MTS power-equipment 1 is arranged on steelframe door 26.The sedimentation deformation amount of vertical mobile box 3 is controlled by MTS power-equipment 1.
Vertical mobile box 3 and move horizontally the adjacent side of casing 4 sidewall on be welded with side direction breast boards 10.Vertical mobile box 3 weld side is the leakages stoping the side direction soil body when doing tomography environmental change to the object of breast boards 10.
Treat that body buries complete balanced installation two cover charging assembly II15 on vertical mobile box 3 afterwards underground.In the present embodiment, charging assembly II is formed by vertically loading lifting jack 22, force transmitting board 25 and lifting jack fixed mount 24, force transmitting board 25 is pressed in be buried underground above complete test pipe, lifting jack fixed mount 24 is fixed on vertical mobile box 3, and the vertical lifting jack 22 that loads is carried in (see figure 7) on force transmitting board 25 by lifting jack fixed mount 24.
By adjusting the size of above-mentioned vertical loading lifting jack 22 pressure, the stressing influence of different buried depth to pipeline can be simulated.
Move horizontally casing 4 to be placed on line Bit Track 9 by the pulley assembly 8 installed bottom it.In the present embodiment, pulley assembly 8 is two covers and is arranged symmetrically with, pulley assembly 8 is pulley row, pulley row is assemblied in by channel steel support the bottom moving horizontally casing 4, and pulley row is placed in line Bit Track 9, line Bit Track 9 is made up of channel steel support, both sides angle steel, on the fixed support bottom channel steel support is fixed on (see Fig. 1 and Fig. 4).The anti-limited slip wheel row of line Bit Track 9 skids off regulation line position, and the channel steel support of pulley row and welding box body, last lifting jack gives side force, makes the horizontal rubbing of casing III generation.
Move horizontally on casing 4 and the sidewall of the vertical adjacent side of mobile box 3 and be welded with side direction breast boards 10, its object is also to stop the soil body to leak outside in sedimentation.
Move horizontally on casing 4 lateral wall and roll wheel assembly 7 is installed.In the present embodiment, roll wheel assembly 7 is two covers and is upper and lowerly arranged symmetrically with, often overlap roll wheel assembly 7 and two bearing rollers 17 are set, two bearing roller 17 threaded rods 18 are put on, upper, middle and lower are fastening with the nut 19 of corresponding size respectively and propped with channel-section steel, channel-section steel with move horizontally casing 4 lateral wall and be welded and fixed; The bearing roller 17 of roll wheel assembly 7 rolls (see Fig. 1 and Fig. 3) along the line position 20 be arranged in side supports 5.
Side supports 5 is independent setting.In the present embodiment, side supports 5 is three corner steadies, the vertical edges of three corner steadies is fixed with the line position 20 of the bearing roller 17 in roll wheel assembly 7.
Move horizontally casing 5 and be provided with laterally loading lifting jack 16, moving horizontally casing 5 side force by laterally loading lifting jack 16, making to move horizontally the horizontal changing of the relative positions of casing 5 generation.
Treat that body is buried complete being assemblied in by charging assembly I14 afterwards underground and moved horizontally casing 5 top.The charging assembly I14 assembly structure moving horizontally casing 5 top is identical with the charging assembly I14 assembly structure on static housing 2 top.
In process of the test, single do sedimentation place change time, on the bolt anchoring of channel-section steel up and down of roll wheel assembly 7, prevent the front and back changing of the relative positions from affecting test findings; Single do fault site change time, MTS power-equipment 1 keeps motionless; Finally in conjunction with two kinds of different places distortion, finally form the test unit can simulating the many factors such as the distortion of different place, different buried depth, different pipe material, earthquake load, different tube diameters and wall thickness.
By MTS power-equipment 1 and vertical loading lifting jack 22, laterally load lifting jack 16, displacement and the velocity of displacement of casing movement can be controlled, form changeable space enrironment conversion.
By controlling the size of jack pressure, with the requirement of satisfied simulation various soil mass buried depth, formed the uniform load of the soil body by force transmission rack.
In the present embodiment, laterally load lifting jack 16 and adopt large-scale lifting jack, the vertical lifting jack 22 that loads adopts small-size jack.
The foregoing is only the better feasible embodiment of the present invention, not thereby limit to interest field of the present invention, the equivalence change that all utilizations description of the present invention is done, be all contained within interest field of the present invention.
Claims (7)
1. place sedimentation and tomography impact under a pipeline-soil model test unit, it is characterized in that:
Comprise be arranged in order layout static housing (2), vertical mobile box (3), move horizontally casing (4), the soil body in three casings is the entirety organically combined, and test pipe runs through three casings;
Static housing (2) welds or is anchored on fixed station (12), and static housing (2) and the sidewall of vertical mobile box (3) adjacent side are provided with vertical breast boards (12), and static housing (2) top is provided with charging assembly I(14);
Vertical mobile box (3) is placed on temporary support stand (11), vertical mobile box (3) top is connected with MTS power-equipment (1) by chaining part (6), vertical mobile box (3) top is provided with charging assembly II(15), vertical mobile box (3) and the sidewall moving horizontally casing (4) adjacent side are provided with side direction breast boards (10);
Moving horizontally casing (4) is placed on line Bit Track (9) by the pulley assembly (8) installed bottom it, line Bit Track (9) is fixed on fixed support, the sidewall moving horizontally casing (4) and vertical mobile box (3) adjacent side is provided with side direction breast boards (10), move horizontally on casing (4) lateral wall and roll wheel assembly (7) is installed, the bearing roller (17) of roll wheel assembly (7) rolls along the line position (20) be arranged in side supports (5), side supports (5) is independent setting, move horizontally casing (4) to be provided with and laterally to load lifting jack (16), move horizontally casing (4) top and be provided with charging assembly I(14).
2. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: running through static housing (2), vertically mobile box (3), moving horizontally the test pipe of casing (4) is three, three test pipes are built up in two different height, static housing (2) lateral wall, move horizontally casing (4) lateral wall and output three corresponding test pipes respectively and stretch out hole.
3. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: be arranged on static housing (2)/the move horizontally charging assembly I(14 on casing (4)) comprise and vertically load lifting jack (22), force transmission rack (23) and lifting jack fixed mount (24), force transmission rack (23) is pressed in be buried underground above complete test pipe, lifting jack fixed mount (24) is fixed on static housing (2)/move horizontally on casing (4), vertical loading lifting jack (22) is carried on force transmission rack (23) by lifting jack fixed mount (24).
4. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: vertical mobile box (3) top equilibrium is provided with two cover charging assembly II(15), charging assembly II(15) comprise and vertically load lifting jack (22), force transmitting board (25) and lifting jack fixed mount (24), force transmitting board (25) is pressed in be buried underground above complete test pipe, lifting jack fixed mount (24) is fixed on vertical mobile box (3), vertical loading lifting jack (22) is carried on force transmitting board (25) by lifting jack fixed mount (24).
5. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: be arranged on the roll wheel assembly (7) moved horizontally on casing (4) lateral wall and be two covers and be upper and lowerly arranged symmetrically with, often overlap roll wheel assembly (7) and two bearing rollers (17) are set, two bearing rollers (17) are put on threaded rod (18), upper, middle and lower are fastening with the nut (19) of corresponding size respectively and propped with channel-section steel, channel-section steel with move horizontally casing (4) lateral wall and be welded and fixed.
6. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: side supports (5) is three corner steadies, the vertical edges of three corner steadies is fixed with the line position (20) of the bearing roller (17) in roll wheel assembly (7).
7. place according to claim 1 sedimentation and tomography impact under pipeline-soil model test unit, it is characterized in that: be arranged on the pulley assembly (8) moving horizontally casing (4) bottom and be two covers and be left and rightly arranged symmetrically with, pulley assembly (8) is pulley row, pulley row is assemblied in by channel steel support the bottom moving horizontally casing (4), and pulley row is placed in line Bit Track (9), line Bit Track (9) is made up of channel steel support, both sides angle steel, and channel steel support is fixed on the fixed support of bottom.
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| CN105699031A (en) * | 2016-01-25 | 2016-06-22 | 大连理工大学 | Tunnel shaking table test device for simulating fracture effect of blind fault |
| CN106969978A (en) * | 2017-05-16 | 2017-07-21 | 华北理工大学 | Axial tension experimental rig and its test method under effect of contraction |
| CN108007760A (en) * | 2017-12-27 | 2018-05-08 | 西南交通大学 | Tunnel lining structure longitudinal direction mechanics special type experimental rig |
| CN109556653A (en) * | 2017-09-27 | 2019-04-02 | 天津大学 | A kind of pipeclay in situ effect test macro and its test method with hydraulic suction cylinder basis |
| 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 |
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| CN105699031A (en) * | 2016-01-25 | 2016-06-22 | 大连理工大学 | Tunnel shaking table test device for simulating fracture effect of blind fault |
| CN105699031B (en) * | 2016-01-25 | 2018-04-24 | 大连理工大学 | A kind of tunneling vibrational platform experimental rig for simulating buried fault fracture effect |
| CN106969978A (en) * | 2017-05-16 | 2017-07-21 | 华北理工大学 | Axial tension experimental rig and its test method under effect of contraction |
| CN106969978B (en) * | 2017-05-16 | 2023-06-09 | 华北理工大学 | Axial tension test device under constraint action and test method thereof |
| CN109556653A (en) * | 2017-09-27 | 2019-04-02 | 天津大学 | A kind of pipeclay in situ effect test macro and its test method with hydraulic suction cylinder basis |
| CN108007760A (en) * | 2017-12-27 | 2018-05-08 | 西南交通大学 | Tunnel lining structure longitudinal direction mechanics special type experimental rig |
| CN108007760B (en) * | 2017-12-27 | 2023-07-25 | 西南交通大学 | Tunnel lining structure longitudinal mechanical special-type test device |
| 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 |
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