CN111189712A - Shield tunnel seam stress prototype test system - Google Patents
Shield tunnel seam stress prototype test system Download PDFInfo
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- CN111189712A CN111189712A CN202010069982.5A CN202010069982A CN111189712A CN 111189712 A CN111189712 A CN 111189712A CN 202010069982 A CN202010069982 A CN 202010069982A CN 111189712 A CN111189712 A CN 111189712A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
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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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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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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Abstract
The invention relates to a shield tunnel joint stress prototype test system which comprises a counterforce steel frame, a profile steel base, a sliding rail, a sliding support, vertical hydraulic servo jacks, a loading short column and a horizontal loading beam mechanism, wherein the horizontal loading beam mechanism comprises a horizontal loading beam and at least four horizontal hydraulic servo jacks, and the sliding support comprises a steel plate welding main body, at least six rotating supports, a pulley block and a horizontal loading block. When the device is used, tunnel segments are assembled on the sliding support through bolts, the horizontal hydraulic servo jacks are adjusted, under the loading action of the vertical hydraulic servo jacks, rubber pad groups of the sliding support are compressed to generate partial displacement, the assembled segments are deformed, longitudinal joints are opened, circular joints are staggered, and the like, and corresponding data are acquired through sensors and are used for analyzing the force transmission form among the segments during staggered joint assembly.
Description
Technical Field
The invention relates to a shield tunnel joint stress prototype test system in the field of shield tunnel engineering.
Background
In recent years, the construction of subway shield tunnels is rapidly developed, and the problem of subway tunnel diseases is increasingly highlighted. One of the reasons for tunnel defects is deformation of a tunnel structure, and deformation of a shield tunnel structure mainly occurs at a joint, so that theoretical basis can be provided for optimal design of a shield tunnel by researching deformation of the joint and transmission mode of a circular seam of the shield tunnel, subway defects can be reduced, safety and comfort of subway operation are improved, and a corresponding shield tunnel joint stress prototype test system is lacked in the prior art.
Disclosure of Invention
This patent is anticipated is providing a shield tunnel seam atress prototype test system.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a shield tunnel seam stress prototype test system comprises a counterforce steel frame, a profile steel base, a slide rail, a sliding support, vertical hydraulic servo jacks, a loading short column and a horizontal loading beam mechanism, wherein the counterforce steel frame comprises two side upright columns and a vertical loading beam fixed between the two side upright columns, a plurality of rows of bolt holes are vertically arranged on the upright columns, each row of bolt holes comprises at least two bolt holes which are transversely arranged, two ends of the vertical loading beam are connected to the upright columns through bolts, so that the vertical loading beam can adjust the vertical position, the two upright columns are connected with a transverse steel beam in the middle of the profile steel base through bolts, a plurality of vertical hydraulic servo jacks are vertically arranged, the vertical hydraulic servo jack base is fixed at the bottom of the vertical loading beam through steel plates and bolts, the profile steel base consists of seven longitudinal beams and one transverse steel beam, the transverse steel beam is rigidly connected in the, the upper part of each longitudinal beam is welded with a slide rail extending along the longitudinal direction, two loading short columns are fixedly arranged at two ends of each longitudinal beam, a horizontal loading beam mechanism comprises a horizontal loading beam fixed on the loading short columns through bolts and at least four horizontal hydraulic servo jacks fixed on the loading beam through a steel plate and the bolts, the horizontal hydraulic servo jacks can provide horizontal load or limit lateral displacement, a sliding support comprises a steel plate welding main body, at least six rotating supports arranged on the steel plate welding main body through main shaft pitching rotation, a pulley block fixedly arranged at the bottom of the steel plate welding main body and a horizontal loading block arranged at the longitudinal outer side of the steel plate welding main body, the steel plate welding main body comprises a bottom plate, three groups of vertical plates arranged on the floor and a back plate arranged behind each group of vertical plates, the three groups of vertical plates are respectively a middle vertical plate group consisting of four vertical plates in the middle and side vertical plate groups consisting of two vertical plates, the middle vertical plate group forms three containing grooves, the vertical plate groups on two sides form one containing groove, the rotating support comprises a ']' -shaped duct piece supporting plate and at least one rotating plate arranged on the back surface of the duct piece supporting plate, the rotating plate is transversely fixedly provided with the main shaft and is arranged between the corresponding vertical plates in a pitching rotating mode through the main shaft, bolt holes used for connecting concrete duct pieces are reserved in the duct piece supporting plate, the horizontal loading block comprises a rubber pad group, a loading base plate and a steel shaft, the steel shaft is fixedly arranged on the back plate, the loading base plate is arranged on the steel shaft in a sliding mode, the rubber pad group is a plurality of columnar rubber pads, the rubber pads are arranged between the back plate and the loading base plate and are arranged on the back plate or the loading base plate, and the axial outer side face of the.
Preferably, the number of the rotating supports is six, the rotating supports are symmetrically arranged along the reaction steel frame, three rotating supports are arranged on two longitudinal sides of the reaction steel frame, in the three rotating supports on each side, the duct piece support plates of the rotating supports on two sides are narrower than the duct piece support plate in the middle, three rotating plates which are respectively inserted into three middle accommodating grooves are arranged on the back surface of the middle support plate, and two rotating plates are arranged on the back surfaces of the duct piece support plates on two sides and are inserted into the corresponding same accommodating groove.
Preferably, the loading backing plate has three, is the middle loading backing plate that is located the middle part and is located the side loading backing plate of both sides respectively, and the length of middle loading backing plate is longer than the side loading backing plate, and the axial lateral surface of middle loading backing plate is used for with two horizontal hydraulic servo jack press-fits, and the axial lateral surface of every side loading backing plate all is used for with a horizontal hydraulic servo jack press-fit.
The method for performing the shield tunnel joint prototype test by using the shield tunnel joint stress prototype test system comprises the following steps:
step 1, assembling duct pieces: connecting two half-arc standard reinforced concrete arc-shaped duct pieces and two half-width standard reinforced concrete arc-shaped duct pieces by bolts to form a clip type assembled duct piece, wherein the two half-arc standard reinforced concrete arc-shaped duct pieces are positioned in the middle, the two half-width standard reinforced concrete arc-shaped duct pieces are positioned on the two transverse sides, the middle half-arc standard reinforced concrete arc-shaped duct piece is fixed on a duct piece supporting plate in the middle through bolts, and the end parts of the half-width standard reinforced concrete arc-shaped duct pieces on the two sides are fixedly arranged on the duct piece supporting plates on the two sides through bolts;
and 3, driving the four horizontal hydraulic servo jacks, enabling the middle two horizontal hydraulic servo jacks to press the middle loading base plate, enabling the horizontal hydraulic servo jacks on the two sides to press the side loading base plates, enabling the horizontal hydraulic servo jacks on the two sides to reach a set pressure, providing a horizontal load or limiting lateral displacement, starting the vertical hydraulic servo jacks, pressurizing corresponding positions of the clamping piece type assembled duct pieces according to experimental requirements, and acquiring corresponding data through sensors.
Further, the sensor arrangement in step 2 comprises: concrete strain gauges are arranged on the inner cambered surface and the outer cambered surface of the splicing section of the clip type splicing segment; arranging a steel string type displacement joint meter at the longitudinal joint of the clip type assembled duct piece, and measuring the opening amount of a longitudinal joint; distributing a differential displacement sensor with the precision of 0.01mm on the lower surface of the clip type assembled duct piece along the radial direction, and collecting the radial displacement of the duct piece; and foil strain gauge collection is arranged on the bolts at the circumferential joint of the clip type assembled duct piece.
The invention has the beneficial effects that: during the use, on sliding bracket, assemble the tunnel section of jurisdiction through the bolt, the section of jurisdiction is assembled to the splint promptly, then according to the operating mode that the tunnel section of jurisdiction is located, select rubber pad kind and quantity, rubber pad kind and quantity are selected according to the shield tunnel operating mode of locating, adjust horizontal hydraulic servo jack, contact with the loading backing plate, provide horizontal load or restriction sliding bracket's partial displacement, vertical hydraulic servo jack provides linear load for intermediate ring section of jurisdiction longitudinal joint regulation position, under the loading effect, sliding bracket's rubber pad crowd is compressed, produce partial displacement, it produces and warp to assemble the section of jurisdiction, the longitudinal joint opens, the circumferential joint produces the wrong platform etc. gather corresponding data through the sensor, section of jurisdiction is ring to pass the power form when being assembled for the analysis wrong joint.
Drawings
FIG. 1 is a schematic structural diagram of a prototype test system for shield tunnel seam stress in an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic longitudinal sectional view of FIG. 1;
FIG. 4 is a schematic view of a connection structure of a vertical column and a vertical loading beam of a reaction steel frame in the embodiment of the invention;
FIG. 5 is a schematic view of a sliding support structure according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a clip type assembled segment in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the specific embodiments.
An embodiment of a shield tunnel seam stress prototype test system is shown in fig. 1-6, including counterforce steelframe 3, shaped steel base 4, slide rail 5, sliding support 2, vertical hydraulic servo jack 6, loading short column 8 and horizontal loading crossbeam mechanism, the counterforce steelframe includes both sides stand 13 and fixes the vertical loading crossbeam 14 between the stand of both sides, set up multirow bolt hole along vertical on the stand, every row of bolt hole includes at least two transverse arrangement's bolt hole 18, ten rows are arranged altogether in this embodiment, the stand adopts the I-steel roof beam and increases reinforced rib plate 19 on arranging the position of bolt hole, the both ends of vertical loading crossbeam pass through bolt 15 and connect on the stand, the existence of multirow bolt hole, make the adjustable vertical position of vertical loading crossbeam, the horizontal girder steel 11 at two stands 13 and shaped steel base middle part passes through bolted connection, a plurality of vertical hydraulic servo jack 6 is along vertical setting and vertical hydraulic servo jack base is with steel sheet 16 and horizontal loading crossbeam mechanism The bolt 17 is fixed at the bottom of the vertical loading beam 14, the vertical loading beam is also composed of an I-shaped steel beam added with a reinforcing rib plate, the section steel base is composed of seven longitudinal beams 12 and a transverse steel beam 11, the transverse steel beam is rigidly connected in the middle of each longitudinal beam and can be welded, the upper part of each longitudinal beam is welded with a slide rail 5 extending along the longitudinal direction, two loading short columns 8 are fixedly arranged at two ends of each longitudinal beam 12 through bolts 19, the horizontal loading beam mechanism comprises a horizontal loading beam 9 fixed on the loading short columns 8 through bolts 20 and at least four horizontal hydraulic servo jacks 7 fixed on the loading beam through steel plates 10 and bolts 21, the horizontal hydraulic servo jacks can provide horizontal load or limit lateral displacement, the sliding support 2 comprises a steel plate welding main body, at least six rotating support brackets arranged on the steel plate welding main body through a main shaft 23 in a pitching rotation manner, The steel plate welding main body comprises a bottom plate, three groups of vertical plates 22 arranged on the floor and a back plate 25 arranged behind each group of vertical plates, the three groups of vertical plates are respectively a middle vertical plate group consisting of four vertical plates in the middle and side vertical plate groups consisting of two vertical plates arranged at two sides of the middle vertical plate group, the bottom plate comprises a middle bottom plate and two side bottom plates, the pulley block comprises three groups of pulleys arranged below the middle bottom plate along the transverse direction and two groups of pulleys arranged below the two side bottom plates along the transverse direction, the seven groups of pulleys are in rolling fit with seven slide rails 5 on seven longitudinal beams, the 12 middle vertical plate group forms three accommodating grooves, the two side vertical plate groups form an accommodating groove, the rotating support comprises a ']' -shaped duct piece supporting plate 26 and at least one rotating plate 27 arranged at the back of the duct piece supporting plate, in this embodiment, the rotating brackets are six and symmetrically arranged along the reaction steel frame 3, three rotating brackets are arranged at two longitudinal sides of the reaction steel frame, and of the three rotating brackets at each side, the segment supporting plates of the rotating brackets at two sides are narrower than the segment supporting plate at the middle, three rotating plates inserted into the three middle accommodating grooves are arranged at the back of the middle supporting plate, two rotating plates are arranged at the back of the segment supporting plate at two sides and inserted into the corresponding same accommodating groove, the main shaft 23 is transversely fixed on the rotating plates 27 and is arranged between the corresponding vertical plates 22 through the main shaft 23 in a pitching rotating manner, bolt holes 28 for connecting concrete segments are reserved on the segment supporting plate, the horizontal loading block is composed of a rubber pad group 29, a loading base plate 30 and a steel shaft 31, the steel shaft 31 is fixed on the back plate 25, each loading base plate is slidably inserted on the steel shaft, the rubber pad group 29 is a plurality of columnar rubber pads, be located between backplate 25 and the loading backing plate 30 and locate on the backplate or on the loading backing plate, the column rubber pad is pasted and is fixed on the backplate in this embodiment, loading backing plate axial lateral surface is used for with the press-fit of horizontal hydraulic servo jack, it is concrete, the loading backing plate has three, be respectively for being located the middle loading backing plate in the middle part and the side loading backing plate that is located both sides, the length of middle loading backing plate is longer than the side loading backing plate, and the axial lateral surface of middle loading backing plate is used for with two horizontal hydraulic servo jack press-fits, the axial lateral surface of every side loading backing plate all is used for with a horizontal hydraulic servo jack press-fit.
The prototype test system for the shield tunnel joint stress of the embodiment is used for assembling tunnel segments on a sliding support through bolts, namely clamping-piece assembling segments, then selecting the types and the number of rubber pads according to the working conditions of the tunnel segments, selecting the types and the number of the rubber pads according to the working conditions of the shield tunnel, adjusting horizontal hydraulic servo jacks to be in contact with loading base plates, further adjusting the clamping-piece assembling segments to reach required positions, providing horizontal load or limiting partial displacement of the sliding support, providing linear load for the specified positions of middle ring segments through vertical hydraulic servo jacks, compressing rubber pad groups of the sliding support under the loading action to generate partial displacement, generating deformation of the assembling segments, opening longitudinal joints, generating staggered joints and the like, acquiring corresponding data through sensors for analyzing the force transfer form among the segments during staggered joint assembling, the specified position can be the eccentric position on the longitudinal seam of the middle pipe piece or on one side of the longitudinal seam or the symmetrical loading on two sides of the longitudinal seam.
The method for performing the prototype test of the shield tunnel joint by using the prototype test system of the shield tunnel joint stress, as shown in fig. 1-6, comprises the following steps:
step 1, assembling duct pieces: connecting two half-arc standard reinforced concrete arc-shaped pipe pieces 32 and two half-width standard reinforced concrete arc-shaped pipe pieces 33 by bolts 34 to form a clamping piece type assembled pipe piece 3, wherein the two half-arc standard reinforced concrete arc-shaped pipe pieces 32 are positioned in the middle, the two half-width standard reinforced concrete arc-shaped pipe pieces 33 are positioned on two transverse sides, the middle half-arc standard reinforced concrete arc-shaped pipe piece 32 is fixed on the pipe piece supporting plate 26 in the middle through a bolt 35, and the end parts of the half-width standard reinforced concrete arc-shaped pipe pieces 34 on two sides are fixedly arranged on the pipe piece supporting plates 26 on two sides through bolts 36;
and 3, driving the four horizontal hydraulic servo jacks 7, enabling the middle two horizontal hydraulic servo jacks to press the middle loading base plate, enabling the horizontal hydraulic servo jacks on the two sides to press the side loading base plates, enabling the horizontal hydraulic servo jacks on the two sides to reach a set pressure, providing a horizontal load or limiting lateral displacement, starting the vertical hydraulic servo jacks 6, pressurizing the corresponding positions of the clamping piece type assembled pipe pieces according to experimental requirements, and acquiring corresponding data through sensors.
Wherein the sensor arrangement in step 2 comprises: concrete strain gauges are arranged on the inner cambered surface and the outer cambered surface of the splicing section of the clip type splicing segment; arranging a steel string type displacement joint meter at the longitudinal joint of the clip type assembled duct piece, and measuring the opening amount of a longitudinal joint; distributing a differential displacement sensor with the precision of 0.01mm on the lower surface of the clip type assembled duct piece along the radial direction, and collecting the radial displacement of the duct piece; and foil strain gauge collection is arranged on the bolts at the circumferential joint of the clip type assembled duct piece.
It should be noted that, in the test, the sensors are all existing sensors, and the installation manner is also the prior art, and the sensors are installed according to the operation rules or the use instructions, which is not described herein.
In other embodiments, other detection sensors may be provided according to the operating rules or specific requirements.
Claims (3)
1. The utility model provides a shield tunnel seam atress prototype test system which characterized in that: the steel bar comprises a counterforce steel frame, a profile steel base, a sliding rail, a sliding support, vertical hydraulic servo jacks, a loading short column and a horizontal loading beam mechanism, wherein the counterforce steel frame comprises two side upright columns and a vertical loading beam fixed between the two side upright columns, a plurality of rows of bolt holes are vertically arranged on the upright columns, each row of bolt holes comprises at least two bolt holes which are transversely arranged, two ends of the vertical loading beam are connected to the upright columns through bolts, so that the vertical position of the vertical loading beam can be adjusted, the two upright columns are connected with a transverse steel beam in the middle of the profile steel base through bolts, the plurality of vertical hydraulic servo jacks are vertically arranged, the vertical hydraulic servo jack base is fixed at the bottom of the vertical loading beam through a steel plate and a bolt, the profile steel base comprises seven longitudinal beams and one transverse steel beam, the transverse steel beam is rigidly connected to the middle of each longitudinal, two loading short columns are fixedly arranged at two ends of each longitudinal beam, the horizontal loading beam mechanism comprises a horizontal loading beam fixed on the loading short columns through bolts and at least four horizontal hydraulic servo jacks fixed on the loading beam through a steel plate and the bolts, the horizontal hydraulic servo jacks can provide horizontal load or limit lateral displacement, the sliding support comprises a steel plate welding main body, at least six rotating supports arranged on the steel plate welding main body through main shaft pitching rotation, a pulley block fixedly arranged at the bottom of the steel plate welding main body and a horizontal loading block arranged on the longitudinal outer side of the steel plate welding main body, the steel plate welding main body comprises a bottom plate, three groups of vertical plates arranged on the floor and a back plate arranged behind each group of vertical plates, the three groups of vertical plates are respectively a middle vertical plate group consisting of four vertical plates in the middle and side vertical plate groups consisting of two vertical plates respectively arranged at two sides of, the middle vertical plate group forms three containing grooves, the vertical plate groups on two sides form one containing groove, the rotating support comprises a ']' -shaped duct piece supporting plate and at least one rotating plate arranged on the back surface of the duct piece supporting plate, the rotating plate is transversely fixedly provided with the main shaft and is arranged between the corresponding vertical plates in a pitching rotating mode through the main shaft, bolt holes used for connecting concrete duct pieces are reserved in the duct piece supporting plate, the horizontal loading block comprises a rubber pad group, a loading base plate and a steel shaft, the steel shaft is fixedly arranged on the back plate, the loading base plate is arranged on the steel shaft in a sliding mode, the rubber pad group is a plurality of columnar rubber pads, the rubber pads are arranged between the back plate and the loading base plate and are arranged on the back plate or the loading base plate, and the axial outer side face of the.
2. The shield tunnel seam stress prototype test system of claim 1, wherein: the rotary supports are six and symmetrically arranged along the counter-force steel frame, three rotary supports are arranged on two longitudinal sides of the counter-force steel frame, in each rotary support on one side, the duct piece support plates on the two sides of the rotary supports are narrower than the duct piece support plate in the middle, three rotary plates which are respectively inserted into three middle accommodating grooves are arranged on the back surface of the middle support plate, and two rotary plates are arranged on the back surfaces of the duct piece support plates on two sides of the rotary supports and are inserted into the corresponding same accommodating groove.
3. The shield tunnel seam stress prototype test system of claim 3, wherein: the loading backing plate has three, is the middle loading backing plate that is located the middle part and is located the side loading backing plate of both sides respectively, and the length of middle loading backing plate is longer than the side loading backing plate, and the axial lateral surface of middle loading backing plate is used for the press fit with two horizontal hydraulic servo jack, and the axial lateral surface of every side loading backing plate all is used for the press fit with a horizontal hydraulic servo jack.
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| CN202010069982.5A CN111189712B (en) | 2020-01-21 | 2020-01-21 | Shield tunnel seam stress prototype test system |
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| CN202010069982.5A CN111189712B (en) | 2020-01-21 | 2020-01-21 | Shield tunnel seam stress prototype test system |
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| CN111189712A true CN111189712A (en) | 2020-05-22 |
| CN111189712B CN111189712B (en) | 2022-04-22 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595533A (en) * | 2020-11-25 | 2021-04-02 | 山东大学 | Shield tunnel stratum action simulation test device and test method thereof |
| CN112665795A (en) * | 2020-12-28 | 2021-04-16 | 西南石油大学 | Experimental device for simulating shield turning segment waterproofness and using method |
| CN112881200A (en) * | 2021-01-19 | 2021-06-01 | 浙江工业大学 | Loading device and method for shear stiffness test of longitudinal joint of pipe piece |
| CN113702189A (en) * | 2021-10-28 | 2021-11-26 | 云奕智创航空科技(南通)有限公司 | Detect tensile detection machine in floor |
| CN113740172A (en) * | 2021-09-14 | 2021-12-03 | 中建八局第一建设有限公司 | Steel constructs combination column loading test device |
| CN114000918A (en) * | 2021-10-25 | 2022-02-01 | 福州大学 | Test device for simulating longitudinal shearing resistance of shield tunnel |
| CN114263485A (en) * | 2021-12-24 | 2022-04-01 | 西安建筑科技大学 | Prestressed support for shield tunnel support and use method thereof |
| CN114414385A (en) * | 2021-12-30 | 2022-04-29 | 天津大学 | Shield segment testing device and method |
| WO2023178883A1 (en) * | 2022-03-24 | 2023-09-28 | 中交第二航务工程局有限公司 | Universal segment rubber sealing gasket sliding test apparatus and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421035A (en) * | 1973-02-02 | 1976-01-14 | Glass Containers Corp | Apparatus and method for pressure testing of containers |
| CN204924568U (en) * | 2015-05-08 | 2015-12-30 | 同济大学 | Tunnel seam waterproof performance test device |
| CN105651614A (en) * | 2016-01-25 | 2016-06-08 | 西南交通大学 | Experiment loading device for shield segment and straight beam |
| CN108195664A (en) * | 2017-12-26 | 2018-06-22 | 上海隧道工程有限公司 | Duct pieces of shield tunnel seam mechanical property multifunction test device |
| CN109459311A (en) * | 2018-12-19 | 2019-03-12 | 中国地质大学（武汉） | A kind of experimental provision for simulating pipe ring stress deformation in tunnel under different stress conditions |
| CN110146384A (en) * | 2019-05-20 | 2019-08-20 | 浙江大学 | A kind of test axial compressive force acts on the experimental rig and test method of lower concrete combination interface staight scissors performance |
-
2020
- 2020-01-21 CN CN202010069982.5A patent/CN111189712B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421035A (en) * | 1973-02-02 | 1976-01-14 | Glass Containers Corp | Apparatus and method for pressure testing of containers |
| CN204924568U (en) * | 2015-05-08 | 2015-12-30 | 同济大学 | Tunnel seam waterproof performance test device |
| CN105651614A (en) * | 2016-01-25 | 2016-06-08 | 西南交通大学 | Experiment loading device for shield segment and straight beam |
| CN108195664A (en) * | 2017-12-26 | 2018-06-22 | 上海隧道工程有限公司 | Duct pieces of shield tunnel seam mechanical property multifunction test device |
| CN109459311A (en) * | 2018-12-19 | 2019-03-12 | 中国地质大学（武汉） | A kind of experimental provision for simulating pipe ring stress deformation in tunnel under different stress conditions |
| CN110146384A (en) * | 2019-05-20 | 2019-08-20 | 浙江大学 | A kind of test axial compressive force acts on the experimental rig and test method of lower concrete combination interface staight scissors performance |
Non-Patent Citations (1)
| Title |
|---|
| 朱瑶宏 等: "类矩形地铁盾构隧道纵向接缝受力性能对比研究", 《铁道科学与工程学报》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595533A (en) * | 2020-11-25 | 2021-04-02 | 山东大学 | Shield tunnel stratum action simulation test device and test method thereof |
| CN112665795A (en) * | 2020-12-28 | 2021-04-16 | 西南石油大学 | Experimental device for simulating shield turning segment waterproofness and using method |
| CN112881200B (en) * | 2021-01-19 | 2022-12-06 | 浙江工业大学 | Loading device and method for shear stiffness test of longitudinal joint of pipe piece |
| CN112881200A (en) * | 2021-01-19 | 2021-06-01 | 浙江工业大学 | Loading device and method for shear stiffness test of longitudinal joint of pipe piece |
| CN113740172A (en) * | 2021-09-14 | 2021-12-03 | 中建八局第一建设有限公司 | Steel constructs combination column loading test device |
| CN113740172B (en) * | 2021-09-14 | 2024-04-30 | 中建八局第一建设有限公司 | Steel constructs composite column loading test device |
| CN114000918A (en) * | 2021-10-25 | 2022-02-01 | 福州大学 | Test device for simulating longitudinal shearing resistance of shield tunnel |
| CN114000918B (en) * | 2021-10-25 | 2023-02-21 | 福州大学 | Test device for simulating longitudinal shearing resistance of shield tunnel |
| CN113702189A (en) * | 2021-10-28 | 2021-11-26 | 云奕智创航空科技(南通)有限公司 | Detect tensile detection machine in floor |
| CN114263485B (en) * | 2021-12-24 | 2024-04-26 | 西安建筑科技大学 | Prestressed bracket for shield tunnel support and use method thereof |
| CN114263485A (en) * | 2021-12-24 | 2022-04-01 | 西安建筑科技大学 | Prestressed support for shield tunnel support and use method thereof |
| CN114414385A (en) * | 2021-12-30 | 2022-04-29 | 天津大学 | Shield segment testing device and method |
| CN114414385B (en) * | 2021-12-30 | 2024-05-24 | 天津大学 | Shield segment test device and test method |
| WO2023178883A1 (en) * | 2022-03-24 | 2023-09-28 | 中交第二航务工程局有限公司 | Universal segment rubber sealing gasket sliding test apparatus and method |
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