CN112129620A - Pipe joint loading test distribution beam, test device and test method - Google Patents
Pipe joint loading test distribution beam, test device and test method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 106
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 244000126211 Hericium coralloides Species 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 5
- 210000004210 tooth component Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0254—Biaxial, the forces being applied along two normal axes of the specimen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
Abstract
The invention discloses a distribution beam, a test device and a test method for a pipe joint loading test, and solves the problem of low test precision of a pipe joint loading test device in the prior art. The load test force transmission distribution beam comprises a support beam frame for bearing pipe joints, preferably, the support beam frame is an L-shaped beam frame, the L-shaped beam frame comprises a cross beam and a vertical beam, and the pipe joints are placed on the cross beam. The supporting beam frame is connected with a radial loading device for radially loading the pipe joint, and the bottom of the supporting beam frame is provided with a sliding device for reducing the abrasion of the pipe joint in a radial loading test. Preferably, the sliding device comprises a limiting hole arranged at the bottom of the beam of the supporting beam frame, and a ball body is arranged in the limiting hole in a rolling mode. The top cylinder frame, the middle distribution beam and the support beam frame are independent from each other, tests of multi-ring pipe joints and/or tests of the presence or absence of a vertical loading device can be realized through combination of all members, and the test device is various in form, convenient to adjust, wide in application range and high in popularization value.
Description
Technical Field
The invention relates to the technical field of pipe joint loading, in particular to a distribution beam for a pipe joint loading test, a test device and a test method.
Background
In order to accurately study the mechanical properties and deformation performance of the pipe joints, a full-scale test model is often used for loading. Because the horizontal loading system is simple in design and reliable in system, the mechanical test of the pipe joint usually adopts horizontal loading, and when the horizontal loading is carried out, the friction force between the end surface of the pipe joint and the leveled structural surface is large, and the precision of the test result can be influenced by directly carrying out radial loading, so that corresponding measures are required to be taken to reduce the friction force.
The method has the advantages that the steel base plate is installed at the bottom of the pipe joint, the surface of the steel base plate is coated with the lubricant, the friction reduction effect is common, particularly, when a multi-ring pipe joint test is adopted, the abrasion of the section of the bottom pipe joint is serious, and meanwhile, the vertical loading is difficult to realize without reserving a corresponding bottom operation space; the sliding support is adopted to ensure the free sliding of the bottom of the test ring, the support can be composed of a supporting part and a small wheel, and can also be composed of a supporting part and a steel ball, the friction force of the force transmission distribution beam can be reduced by the sliding support and the small wheel, and the friction force reduction of the pipe joint has no obvious effect, so that the force transmission distribution beam device which can effectively reduce the friction force between the pipe joint and a structural surface and can provide vertical loading force is urgently needed.
In addition, the existing tube piece loading device, such as the horizontal loading test system and method for the bearing capacity performance of the horseshoe-shaped shield tube piece structure with the authorization notice number CN108663271B, can perform circumferential loading test on the tube joint through a jack and a steel strand, but the loading test system still does not solve the problem of tube joint abrasion, and the loading test system is single in form, limited in loading direction and incomplete in loading data test, so that the test precision is influenced.
Disclosure of Invention
Aiming at the defects in the background art, the invention provides a distribution beam, a test device and a test method for a pipe joint loading test, and solves the problem of low test precision of the pipe joint loading test device in the prior art.
The technical scheme of the invention is realized as follows: a force transfer distribution beam for a loading test comprises a support beam frame for bearing pipe joints, preferably an L-shaped beam frame, wherein the L-shaped beam frame comprises a cross beam and a vertical beam, and the pipe joints are placed on the cross beam. The supporting beam frame is connected with a radial loading device for radially loading the pipe joint, and the bottom of the supporting beam frame is provided with a sliding device for reducing the abrasion of the pipe joint in a radial loading test. Preferably, the sliding device comprises a limiting hole arranged at the bottom of the beam of the supporting beam frame, and a ball body is arranged in the limiting hole in a rolling mode. The vertical beam of the supporting beam frame comprises a plurality of middle connecting beams which are mutually connected.
A pipe joint loading test device comprises a plurality of loading test force transmission distribution beams, wherein support beam frames of the loading test force transmission distribution beams are arranged along the circumferential direction of pipe joints to form annular supports for the pipe joints.
The radial loading device is a thrust oil cylinder mechanism, a central internal pulling mechanism or a tensioning oil cylinder mechanism as required. The radial loading device is connected to a vertical beam of the L-shaped beam frame, and the sliding device is arranged at the bottom of a cross beam of the L-shaped beam frame; the vertical beam of the L-shaped beam frame comprises a plurality of middle connecting beams which are mutually connected.
Preferably, the thrust cylinder mechanism comprises a reaction frame arranged on the outer side of the supporting beam frame, and a radial cylinder is arranged between the reaction frame and the supporting beam frame; the flexible end of radial cylinder is connected with the radial positioning ring who sets up on the supporting beam frame, the stiff end of radial cylinder is connected with the reaction frame.
Preferably, the central internal pulling mechanism comprises a tension ring arranged on the inner side of the pipe joint, the central axis of the tension ring is overlapped with the central axis of the pipe joint, a radial anchor cable is connected between the tension ring and the supporting beam frame, and the end part of the radial anchor cable is connected with a jack arranged on the supporting beam frame.
Preferably, the tensioning oil cylinder mechanism comprises a hoop anchor cable, the supporting beam frames are provided with tensioning oil cylinders, and two ends of the hoop anchor cable are respectively connected with the tensioning oil cylinders on the two supporting beam frames which are arranged oppositely.
Furthermore, the upper part of the supporting beam frame is provided with a vertical loading device. Preferably, the vertical loading device comprises a top support and a vertical anchor cable which are arranged at the top of the vertical beam of the supporting beam frame, a vertical oil cylinder is arranged on the top support, the telescopic end of the vertical oil cylinder penetrates through the top support, and the vertical anchor cable is arranged between the top support and the supporting beam frame. Specifically, a top anchor hole is formed in the top support, a bottom anchor hole is formed in the cross beam of the support beam frame, the top anchor hole and the bottom anchor hole are in one-to-one correspondence, and two ends of the vertical anchor cable are connected into the top anchor hole and the bottom anchor hole respectively.
A test method of a pipe joint loading test device comprises the following steps:
s1: orthogonally placing comb tooth parts of the A-type comb tooth member and the B-type comb tooth member to form a slotted hole for placing a sphere, wherein the slotted hole corresponds to a limiting hole arranged at the bottom of a beam of a support beam frame;
s2: placing each ball in the formed slot, lifting the support beam frame at the same time or later, aligning the limiting hole at the bottom of the support beam frame with each ball, and placing the support beam frame until the ball is completely contacted with the limiting hole;
s3: sequentially drawing out the A-type comb tooth member and the B-type comb tooth member, manually adjusting the straight plane position of the support beam frame to complete the installation of the sliding device, and then placing the pipe joint on a cross beam of the support beam frame;
s4: carrying out a radial loading test or a vertical loading test or a combination of the radial loading test and the vertical loading test;
wherein, during radial loading test: connecting a radial loading device with a support beam frame, carrying out radial loading on the circumferential direction of the pipe joint through the radial loading device, and observing the circumferential stress condition of the pipe joint;
during the vertical loading test: connecting a vertical loading device with a supporting beam frame, loading the pipe joint ring in the width direction through a vertical oil cylinder of the vertical loading device, and observing the stress condition of the pipe joint ring in the width direction; how to realize loading tests of different pipe joint thicknesses by the vertical anchor cable;
during radial loading test and vertical loading test: connecting a radial loading device with a support beam frame, carrying out radial loading on the circumferential direction of the pipe joint through the radial loading device, and observing the circumferential stress condition of the pipe joint; meanwhile, the vertical loading device is connected with the supporting beam frame, a vertical oil cylinder of the vertical loading device is used for loading the pipe joint ring in the width direction, and the stress condition of the pipe joint ring in the width direction is observed; how to realize the loading test of different tube joint thicknesses by the vertical anchor cable.
The radial loading device of the pipe joint loading test device can radially load the pipe joint in the circumferential direction, and the vertical loading device can perform loading tests on the pipe joint in the thickness direction and the ring width direction, so that the multidirectional loading test on the pipe joint is realized. In the loading test process, the force transmission distribution beam is interacted with the ground in a ball rolling mode, the friction reduction effect is good, the structure is convenient to move, the test data is more accurate, and more reliable data support is provided for actual construction. According to the test method of the pipe joint loading test device, the A-type comb tooth component and the B-type comb tooth component are matched, so that the ball is quickly and accurately installed, and the operation mode is simple. The top cylinder frame, the middle distribution beam and the support beam frame are independent from each other, tests of multi-ring pipe joints and/or tests of the presence or absence of a vertical loading device can be realized through combination of all members, and the test device is various in form, convenient to adjust, wide in application range and high in popularization value.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a diagram of a load transfer distributor beam arrangement according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a bottom view of the force transfer distributor beam of the present invention without the sphere at the bottom;
FIG. 4 is a schematic bottom view of the transfer distributor beam of the present invention with a ball at the bottom;
FIG. 5 is a diagram of a vertical loading arrangement for a force transfer distributor beam according to the present invention;
FIG. 6 is a view of the arrangement of FIG. 5 for different pipe segment ring widths;
FIG. 7 is a diagram of the arrangement of different tube section thicknesses of FIG. 5;
FIG. 8 is a diagram of the arrangement of FIG. 5 for different numbers of pipe sections;
FIG. 9 is a view of a center pullin type force transfer distributor beam arrangement of the present invention;
FIG. 10 is a cross-sectional view of FIG. 9;
FIG. 11 is a view of a force transmitting distributor beam arrangement of the present invention with radial anchor lines through the joint body;
FIG. 12 is a view of a force transmitting distributor beam arrangement of the present invention without radial anchor lines through the joint body;
FIG. 13 is a diagram of the arrangement of FIG. 10 for different numbers of pipe sections;
FIG. 14 is an A-comb tooth member of the present invention;
FIG. 15 is a B-comb tooth member of the present invention;
FIG. 16 is a view showing the arrangement of the type A and type B comb members of the present invention in cooperation with the positioning balls;
FIG. 17 is an elevational cross-sectional view of the comb tooth members of types A and B in accordance with example 5, in cooperation with positioning of the ball;
fig. 18 is a schematic plan view showing a distribution state of the tensioning cylinder mechanism in embodiment 5.
Wherein: 1. a supporting beam frame, 1-1, a limiting hole, 1-2, a bottom anchor hole, 1-3, a radial positioning ring, 1-4, a bolt hole, 1-5, a radial anchor hole, 2, a sphere, 3, a top support, 3-1, a top anchor hole, 4, an intermediate connecting beam, 5, a vertical anchor cable, 6, a radial anchor cable, 7, an A-shaped comb tooth component, 7-1, longitudinal comb teeth, 7-2, a longitudinal comb handle, 7-3, a first hand hole, 7-4, a longitudinal bent section, 8, a B-shaped comb tooth component, 8-1, transverse comb teeth, 8-2, a transverse comb handle, 8-3, a second hand hole, 8-4, a transverse bent section, 9a, a reaction frame, 9B, a tension ring, 10, a pipe joint, 11, a radial oil cylinder, 12, a vertical oil cylinder, 13, a jack, 14, a hoop, 15. and tensioning the oil cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1, as shown in figures 1 and 2, a load test force transfer distribution beam comprises a support beam frame 1 for carrying pipe sections, preferably an L-shaped beam frame for ease of installation and operation, the L-shaped beam frame comprising a cross beam and a vertical beam, the pipe sections being placed on the cross beam. The supporting beam frame 1 is connected with a radial loading device, namely the radial loading device is connected to a vertical beam of the L-shaped beam frame and used for carrying out radial loading on the pipe joint. The bottom of the supporting beam frame 1 is provided with a sliding device, namely the sliding device is arranged on a cross beam of the L-shaped beam frame, and the sliding device reduces the abrasion of the pipe joint in a radial loading test.
Further, as shown in fig. 3 and 4, the sliding device comprises a limiting hole 1-1 arranged at the bottom of the beam of the supporting beam frame 1, and a ball 2 is arranged in the limiting hole 1-1 in a rolling manner. The ball body can be arranged in a limiting hole formed in the bottom of the supporting beam frame, the ball body synchronously rolls to realize that the supporting beam frame moves in any direction in a plane, and friction is reduced.
Further, as shown in fig. 8, the vertical beam of the supporting beam frame 1 includes a plurality of intermediate coupling beams 4 connected to each other by bolts or welding. When the pipe joints are connected through bolts, the upper parts of the intermediate connecting beams 4 are provided with bolt holes 1-4, and the number of the intermediate connecting beams is set according to the ring widths of different pipe joints so as to meet the loading tests of the pipe joints with different specifications.
The other structure is the same as embodiment 1.
The other structure is the same as in embodiment 1 or 2.
The other structure is the same as in embodiment 1 or 2.
As shown in fig. 18, in embodiment 5, a pipe joint loading test device includes a plurality of the loading test force transmission distribution beams, and the support beam frames 1 of the loading test force transmission distribution beams are arranged along the circumferential direction of the pipe joint to form annular supports for the pipe joint. The tensioning oil cylinder mechanism comprises hoop anchor cables 14, tensioning oil cylinders 15 are arranged on the supporting beam frames 1, two ends of each hoop anchor cable 14 are respectively connected with the tensioning oil cylinders 15 on the two supporting beam frames 1 which are arranged oppositely, namely the hoop anchor cables 14 form a plurality of radial anchor cables through the centers of pipe joints, the supporting beam frames which are arranged oppositely form a group under the action of the tensioning oil cylinders to form supports, and the supporting beam frames drive the pipe joints to move correspondingly in the loading process, so that friction caused by relative movement of the pipe joints is avoided.
The other structure is the same as in embodiment 1 or 2.
Example 6, a method of testing a pipe section loading test apparatus as described in examples 3 or 4 or 5, comprising the steps of: s1: mounting the sliding device on the supporting beam frame 1; and the pipe joints are placed on the cross beam of the supporting beam frame 1 in a horizontal posture;
as shown in fig. 16 and 17, the concrete steps of mounting the sliding device on the supporting beam frame 1 are as follows: s1.1, orthogonally placing comb tooth parts of an A-type comb tooth member and a B-type comb tooth member on the ground or an experimental platform to form a slotted hole for placing a sphere, wherein the slotted hole corresponds to a limiting hole 1-1 arranged at the bottom of a cross beam of a support beam frame 1; s1.2, placing each ball on the ground or an experimental platform and in a formed slot, lifting the support beam frame 1 at the same time or later, aligning a limiting hole at the bottom of the support beam frame 1 to each ball, and lowering the support beam frame 1 until the balls are completely contacted with the limiting hole 1-1; s1.3, sequentially drawing out the A-type comb tooth member and the B-type comb tooth member, and manually adjusting the straight plane position of the support beam frame 1 to complete the installation of the sliding device.
As shown in figures 14 and 15, the A-type comb tooth member 7 comprises longitudinal comb teeth 7-1 and a longitudinal comb handle 7-2, the longitudinal comb handle 7-2 is provided with a first hand hole 7-3 and a longitudinal bent-up section 7-4, the first hand hole 7-3 is used for adjusting the A-type comb tooth member 7, and the longitudinal bent-up section 7-4 is used for adjusting and pulling the A-type comb tooth member 7. The B-type comb tooth component 8 comprises transverse comb teeth 8-1 and a transverse comb handle 8-2, a second hand hole 8-3 and a transverse bent-up section 8-4 are arranged on the transverse comb handle 8-2, the second hand hole 7-3 is used for adjusting the B-type comb tooth component 8, and the transverse bent-up section 8-4 is used for adjusting and drawing the B-type comb tooth component 8. The cooperation of A type broach component and B type broach component can realize spheroidal quick accurate installation, and operational mode is simple.
S2: during radial loading test: connecting the radial loading device with the support beam frame 1, and when the radial loading device is a thrust cylinder mechanism: the radial cylinder of the radial loading device is used for carrying out radial loading on the circumferential direction of the pipe joint, namely the telescopic direction of the radial cylinder passes through the center of the pipe joint and is used for carrying out radial loading on the circumferential direction of the pipe joint. Observing the circumferential stress condition of the pipe joints;
when the radial loading device is a central internal pulling mechanism, the radial loading device extends outwards through a jack, a radial anchor cable is pulled inwards to radially load the pipe joint, and the circumferential stress condition of the pipe joint is observed;
when the radial loading device is a tensioning oil cylinder mechanism, the hoop anchor cables 14 form a plurality of radial anchor cables through the center of the pipe joint, under the action of the tensioning oil cylinder of the hoop anchor cables, the oppositely arranged support beam frames form a group, the support beam frames become supports to be pulled oppositely, the pipe joint is loaded radially, and the circumferential stress condition of the pipe joint is observed.
In the radial loading test process, the support beam frame drives the pipe joint to move correspondingly, so that friction caused by relative movement of the pipe joint is avoided, and the radial loading test precision is improved.
S3: during the vertical loading test: connecting a vertical loading device with the supporting beam frame 1, loading the pipe joint ring in the width direction through a vertical oil cylinder of the vertical loading device, and observing the stress condition of the pipe joint ring in the width direction; the vertical anchor cable 5 is matched with the vertical oil cylinder to be used for passive loading tests of different pipe joint thicknesses.
S4: when the radial loading test and the vertical loading test are carried out, the step S2 and the step S3 are carried out simultaneously, and the loading test is carried out on the pipe joint in the radial direction and the vertical direction.
By the aid of the test method of the pipe joint loading test device, radial loading can be performed on the circumferential direction of the pipe joint, multi-directional loading tests on the pipe joint can be achieved through the vertical loading device, test data are more accurate, and stronger data support is provided for actual construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A load test passes power distribution beam which characterized in that: the pipe joint loading device comprises a supporting beam frame (1) used for bearing a pipe joint, wherein a radial loading device is connected to the supporting beam frame (1), and a sliding device is arranged at the bottom of the supporting beam frame (1).
2. The load test force transfer distributor beam of claim 1, wherein: the supporting beam frame (1) is an L-shaped beam frame, the radial loading device is connected to a vertical beam of the L-shaped beam frame, and the sliding device is arranged at the bottom of a cross beam of the L-shaped beam frame; the vertical beam of the L-shaped beam frame comprises a plurality of middle connecting beams (4) which are mutually connected.
3. A load test force transfer distribution beam according to claim 1 or 2, characterised in that: the sliding device comprises a limiting hole (1-1) formed in the bottom of the supporting beam frame (1), and a ball body (2) is arranged in the limiting hole (1-1) in a rolling mode.
4. The utility model provides a pipe joint loading test device which characterized in that: a load test force transfer distribution beam comprising a plurality of load test force transfer distribution beams according to claim 1, 2 or 3, the support beam frames (1) of the load test force transfer distribution beams being arranged circumferentially of the pipe section forming an annular support for the pipe section.
5. The pipe joint loading test device of claim 4, wherein: the radial loading device is a propulsion oil cylinder mechanism, a central internal pulling mechanism or a tensioning oil cylinder mechanism.
6. The pipe joint loading test device of claim 5, wherein: the thrust oil cylinder mechanism comprises a reaction frame (9 a) arranged on the outer side of the supporting beam frame (1), and a radial oil cylinder (11) is arranged between the reaction frame (9 a) and the supporting beam frame (1); the telescopic end of the radial oil cylinder (11) is connected with a radial positioning ring (1-3) arranged on the supporting beam frame (1), and the fixed end of the radial oil cylinder (11) is connected with a reaction frame (9 a).
7. The pipe joint loading test device of claim 5, wherein: the central internal pulling mechanism comprises a pulling ring (9 b) arranged on the inner side of the pipe joint (10), a radial anchor cable (6) is connected between the pulling ring (9 b) and the supporting beam frame (1), and the end part of the radial anchor cable (6) is connected with a jack (13) arranged on the supporting beam frame (1).
8. The pipe joint loading test device of claim 5, wherein: the tensioning oil cylinder mechanism comprises a hoop anchor cable (14), tensioning oil cylinders (15) are arranged on the supporting beam frames (1), and two ends of the hoop anchor cable (14) are respectively connected with the tensioning oil cylinders (15) on the two supporting beam frames (1) which are arranged oppositely.
9. The pipe joint loading test device according to any one of claims 4 to 8, characterized in that: the upper part of the supporting beam frame (1) is provided with a vertical loading device; the vertical loading device comprises a top support (3) and a vertical anchor cable (5), wherein the top support (3) and the vertical anchor cable (5) are arranged at the top of a vertical beam of a supporting beam frame (1), a vertical oil cylinder (12) is arranged on the top support (3), the telescopic end of the vertical oil cylinder (12) penetrates through the top support (3), and the vertical anchor cable (5) is arranged between the top support (3) and the supporting beam frame (1).
10. A method of testing the pipe joint loading test apparatus of claim 9, wherein: the method comprises the following steps:
s1: orthogonally placing comb tooth parts of the A-type comb tooth member and the B-type comb tooth member to form a slotted hole for placing a sphere, wherein the slotted hole corresponds to a limiting hole (1-1) arranged at the bottom of a beam of a support beam frame (1);
s2: placing each ball in the formed slot, lifting the support beam frame (1) at the same time or later, aligning the limiting hole at the bottom of the support beam frame (1) with each ball, and lowering the support beam frame (1) until the ball is completely contacted with the limiting hole (1-1);
s3: the A-type comb tooth member and the B-type comb tooth member are sequentially drawn out, and the straight plane position of the support beam frame (1) is manually adjusted to complete the installation of the sliding device; then, placing the pipe joint on the supporting beam frame (1);
s4: carrying out a radial loading test or a vertical loading test or a combination of the radial loading test and the vertical loading test;
during radial loading test: connecting a radial loading device with the support beam frame (1), carrying out radial loading on the circumferential direction of the pipe joint through the radial loading device, and observing the circumferential stress condition of the pipe joint;
during the vertical loading test: connecting a vertical loading device with a supporting beam frame (1), loading the pipe joint ring in the width direction through a vertical oil cylinder of the vertical loading device, and observing the stress condition of the pipe joint ring in the width direction; the vertical anchor cable (5) is matched with the vertical oil cylinder for loading tests of different pipe joint thicknesses;
during radial loading test and vertical loading test: connecting a radial loading device with the support beam frame (1), carrying out radial loading on the circumferential direction of the pipe joint through the radial loading device, and observing the circumferential stress condition of the pipe joint; meanwhile, the vertical loading device is connected with the supporting beam frame (1), a vertical oil cylinder of the vertical loading device is used for loading the pipe joint ring in the width direction, and the stress condition of the pipe joint ring in the width direction is observed; the vertical anchor cable (5) is matched with the vertical oil cylinder to be used for loading tests of different pipe joint thicknesses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011052381.XA CN112129620A (en) | 2020-09-29 | 2020-09-29 | Pipe joint loading test distribution beam, test device and test method |
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| CN202011052381.XA CN112129620A (en) | 2020-09-29 | 2020-09-29 | Pipe joint loading test distribution beam, test device and test method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203465148U (en) * | 2013-09-03 | 2014-03-05 | 同济大学 | Loading device for tunnel lining full-ring structure test |
| CN105938067A (en) * | 2016-04-12 | 2016-09-14 | 中国建筑股份有限公司 | External loading type shield segment mechanical property testing machine and testing method thereof |
| CN107356382A (en) * | 2017-06-22 | 2017-11-17 | 上海隧道工程有限公司 | A kind of section of jurisdiction mechanical testing equipment |
| CN108344637A (en) * | 2018-01-08 | 2018-07-31 | 同济大学 | Shield duct piece mechanical simulation test device |
| CN108344638A (en) * | 2018-01-24 | 2018-07-31 | 浙江大学城市学院 | A kind of compound mortar reinforces the indoor test method of existing subway tunnel structure effect |
| CN108593453A (en) * | 2018-06-12 | 2018-09-28 | 西南交通大学 | The Combined hydraulic loading device of shield tunnel prototype segment structural test |
| CN108663271A (en) * | 2018-05-10 | 2018-10-16 | 西南交通大学 | The horizontal load test system and method for shape of a hoof shield duct piece structural bearing capacity performance |
| CN109556965A (en) * | 2018-11-26 | 2019-04-02 | 上海市基础工程集团有限公司 | Shield duct piece simulation on Mechanical experimental rig |
| CN110618037A (en) * | 2019-10-23 | 2019-12-27 | 中铁第四勘察设计院集团有限公司 | Loading device and method for shield tunnel lining full-scale test |
| CN111044376A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Vertical loading device and test method for pipe pieces with different sizes in reaction well |
| CN211453191U (en) * | 2019-11-27 | 2020-09-08 | 中铁第四勘察设计院集团有限公司 | Shield segment joint direct shear test device |
-
2020
- 2020-09-29 CN CN202011052381.XA patent/CN112129620A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203465148U (en) * | 2013-09-03 | 2014-03-05 | 同济大学 | Loading device for tunnel lining full-ring structure test |
| CN105938067A (en) * | 2016-04-12 | 2016-09-14 | 中国建筑股份有限公司 | External loading type shield segment mechanical property testing machine and testing method thereof |
| CN107356382A (en) * | 2017-06-22 | 2017-11-17 | 上海隧道工程有限公司 | A kind of section of jurisdiction mechanical testing equipment |
| CN108344637A (en) * | 2018-01-08 | 2018-07-31 | 同济大学 | Shield duct piece mechanical simulation test device |
| CN108344638A (en) * | 2018-01-24 | 2018-07-31 | 浙江大学城市学院 | A kind of compound mortar reinforces the indoor test method of existing subway tunnel structure effect |
| CN108663271A (en) * | 2018-05-10 | 2018-10-16 | 西南交通大学 | The horizontal load test system and method for shape of a hoof shield duct piece structural bearing capacity performance |
| CN108593453A (en) * | 2018-06-12 | 2018-09-28 | 西南交通大学 | The Combined hydraulic loading device of shield tunnel prototype segment structural test |
| CN109556965A (en) * | 2018-11-26 | 2019-04-02 | 上海市基础工程集团有限公司 | Shield duct piece simulation on Mechanical experimental rig |
| CN110618037A (en) * | 2019-10-23 | 2019-12-27 | 中铁第四勘察设计院集团有限公司 | Loading device and method for shield tunnel lining full-scale test |
| CN111044376A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Vertical loading device and test method for pipe pieces with different sizes in reaction well |
| CN211453191U (en) * | 2019-11-27 | 2020-09-08 | 中铁第四勘察设计院集团有限公司 | Shield segment joint direct shear test device |
Non-Patent Citations (3)
| Title |
|---|
| 王彪;刘祖华;鲁亮;: "上海崇明越江隧道衬砌整环试验加载方法研究", 施工技术, no. 1 * |
| 王瑞娜;赵磊;: "盾构管片力学性能试验机加载框架制作及安装", 工程质量, no. 06 * |
| 鲁亮;孙越峰;柳献;王秀志;王维朋;: "地铁盾构隧道足尺整环结构极限承载能力试验研究", 结构工程师, no. 06 * |
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