CN203908754U - Component for simulating flexible joint of immersed tunnel - Google Patents

Component for simulating flexible joint of immersed tunnel Download PDF

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Publication number
CN203908754U
CN203908754U CN201420006442.2U CN201420006442U CN203908754U CN 203908754 U CN203908754 U CN 203908754U CN 201420006442 U CN201420006442 U CN 201420006442U CN 203908754 U CN203908754 U CN 203908754U
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CN
China
Prior art keywords
steel
ring
washer
flexible joint
simulating
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Withdrawn - After Issue
Application number
CN201420006442.2U
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Chinese (zh)
Inventor
闫维明
陈红娟
张学明
陈适才
谢志强
宋林琳
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN201420006442.2U priority Critical patent/CN203908754U/en
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Publication of CN203908754U publication Critical patent/CN203908754U/en
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Abstract

The utility model discloses a component for simulating a flexible joint of an immersed tunnel, and belongs to the technical field of engineering test. The component consists of an angle iron, a steel ring, a rubber ring, a bolt, a high-strength steel wire, a steel plate, and a steel bar. A horizontal force-measuring device is disposed in a steel washer and the steel ring for measuring an axial force at the joint of a scale model of the immersed tunnel. Meanwhile, two sides of a simulation rubber water-stopping belt are provided with displacement sensors for measuring the displacement change of the joint, so the component is suitable for a test when a research object is the flexible joint in a test of a reduced scale of a tunnel structure. The component provided by the utility model is simple in structure, is low in cost of needed materials, can measure the axial force and displacement of the joint at the same time, and cannot damage the sensors and instruments.

Description

A kind of for simulating the member of immersed tube tunnel flexible joint
Technical field
The utility model relates to a kind of test of immersed tube tunnel flexible joint and simplifies member, belongs to engineering test and technical field of measurement and test.
Background technology
Tunnel joint is the significant points of immersed tube tunnel, is also weak part simultaneously, and its structural strength concrete pipeline section relative to rigidity all seems more fragile.The non-uniform settling of geological process or immersed tube basis and pipeline section easily causes the changing of the relative positions of joint area and opens, joint area stagnant water effect is reduced and even lose stagnant water effect, normal operation to immersed tube tunnel and security performance cause very large threat, and the stress performance of joint is always the focus of Joints in Immersed Tunnel research.
Adopt test method to record the stressing conditions at Joints in Immersed Tunnel place, can study better the performance of Joints in Immersed Tunnel, for the establishment of design and specification provides important reference, but ordinary test model just carries out reduced scale by former tunnel model according to similarity theory to be obtained, its structure is the same with master mould, when test, the reaction of joint is difficult to record, as joint axis power, the general foil gauge measurement reinforcement stresses that adopts obtains, its measurement result is difficult to use in analysis and the design in tunnel, and foil gauge itself is larger for geological process dynamic strain measurement error.So accurately rationally obtaining mechanics reaction and the displacement deformation of Joints in Immersed Tunnel is the key of test success or failure.Based on this, the utility model has been researched and developed a kind of for simulating the member of immersed tube tunnel flexible joint, and research experiment, and the force and deformation performance at research tunnel pipe connector place is had important practical significance.
Utility model content
The utility model proposes a kind of for simulating the member of immersed tube tunnel flexible joint.By in scaled model flexible joint, additional rigidity joint being set, and adhesion sensor and displacement transducer obtain the reaction of actual tunnel.Test when this model is applicable in tunnel structure reduced scale test that research object is flexible joint.The utility model simple structure, material requested is with low cost, the reaction such as power, displacement and acceleration that can Accurate Measurement joint, and can not damage sensor and instrument and equipment, sensor can reuse.
A kind of for simulating the member of immersed tube tunnel flexible joint, comprise reinforcing bar I 1, angle steel I 2, steel washer I 3, steel ring I 4, device for measuring force 5, can loose bolts 6, sheet steel 7, steel ring II 8, high tensile steel wire 9, set bolt 10, steel washer II 11, rubber ring 12, steel ring III 13, angle steel II 14 and reinforcing bar II 15, it is characterized in that: steel washer and steel ring all adopt steel, acra welding in the embedded concrete structure 16 of reinforcing bar I 1 and angle steel I 2, steel washer I 3 is welded in the acra of the upper and lower angle steel I 2 in embedded concrete structure 16 not, one end of steel ring I 4 is welded in the inwall of steel washer I 3, acra welding in the embedded concrete structure 16 of reinforcing bar II 15 and angle steel II 14, steel washer II 11 is welded in the acra of the upper and lower angle steel II 14 in embedded concrete structure 16 not, one end of steel ring III 13 is welded in the inwall of steel washer II 11, a side of the steel washer II 11 of welding is not coated strength adhesive, and firm with rubber ring 12 bondings, on steel ring II 8, below a sheet steel 7 of the each welding in middle part, at sheet steel 7 with do not punch on the acra of the angle steel II 14 in embedded concrete structure 16, evenly, be arranged symmetrically with some high tensile steel wires 9 through sheet steel 7 and the acra of the angle steel II 14 in embedded concrete structure 16 not, acra one side of the angle steel II 14 in embedded concrete structure 16 is not tightened set bolt 10, settling in sheet steel 7 one sides can loose bolts 6, and device for measuring force 5 is fixedly connected between steel washer I 3 and steel ring II 8.
The cross sectional shape of steel ring II 8 is identical with the cross sectional shape of steel washer I 3, steel washer II 11, and its axial rigidity is greater than the axial rigidity in equal length tunnel.
Device for measuring force 5 is symmetrically distributed in Si Ge bight, cross section.
High tensile steel wire 9 is connected in tunnel model and steel ring II 8, and can loose bolts 6 and the position of set bolt 10 can exchange.
Rubber ring 12 can be changed to some springs and be evenly arranged in not face of weld surrounding of steel washer II 11, and spring one end is fixedly connected with steel washer II 11, and the other end is connected or does not connect with steel ring II 8.
High tensile steel wire 9 along on angle steel II 14 length directions evenly, be arranged symmetrically with.
Steel ring III 13 and steel ring I 4 are set respectively as shear connector between steel washer II 11 and steel ring II 8 and inside between steel ring II 8 and steel washer I 3.
Turning can loose bolts 6, while making steel ring II 8 and rubber ring 12 jam-packed, will be left to the space of few 2 centimetres between steel ring I 4 and steel ring III 13, avoids the two collision.
Between steel washer II 11 and steel ring II 8, displacement meter is installed.
The beneficial effects of the utility model are: for adopting the stressed and deformation performance of the joint of Test Research immersed tube tunnel that a kind of effective way is provided, the method is simple, convenient, starting material are easy to obtain, cheapness, and power and distortion that can Accurate Measurement joint, can be used for the research of tunnel structure connector test.
Brief description of the drawings
Fig. 1 is the elevation drawing of the utility model joint member;
Fig. 2 is the planimetric map of the utility model joint member;
Fig. 3 is the utility model joint member elevation drawing while tighting a bolt;
Fig. 4 is that the utility model joint member steel washer I 3 and steel ring I 4 are welded cross sectional representation;
Fig. 5 is that the utility model joint member steel washer II 11, rubber ring 12 are connected cross sectional representation with steel ring III 13;
Fig. 6 is the tunnel model xsect detailed dimensions figure of the utility model example;
Fig. 7 is tunnel model-joint arrangement schematic diagram of the utility model example;
Fig. 8 is the joint schematic three dimensional views of the utility model example;
Fig. 9 is the utility model joint member angle steel and steel bar welding map interlinking;
In figure: 1-reinforcing bar I, 2-angle steel I, 3-steel washer I, 4-steel ring I, 5-device for measuring force, 6-can loose bolts, 7-steel plate, 8-steel ring II, 9-high tensile steel wire, 10-set bolt, 11-steel washer II, 12-rubber ring, 13-steel ring III, 14-angle steel II, 15-reinforcing bar II, 16-xoncrete structure, 17-metal binding wire.
Embodiment
As shown in Fig. 1-9, the utility model is a kind of for simulating the member of immersed tube tunnel flexible joint, comprises reinforcing bar I 1, angle steel I 2, steel washer I 3, steel ring I 4, device for measuring force 5, can loose bolts 6, steel plate 7, steel ring II 8, high tensile steel wire 9, set bolt 10, steel washer II 11, rubber ring 12, steel ring III 13, angle steel II 14, reinforcing bar II 15.Acra welding in the embedded concrete structure 16 of reinforcing bar I 1 and angle steel I 2, steel washer I 3 is welded in the acra of the upper and lower angle steel I 2 in embedded concrete structure 16 not, and one end of steel ring I 4 is welded in the inwall of steel washer I 3.Acra welding in the embedded concrete structure 16 of reinforcing bar II 15 and angle steel II 14, steel washer II 11 is welded in the acra of the upper and lower angle steel II 14 in embedded concrete structure 16 not, one end of steel ring III 13 is welded in the inwall of steel washer II 11, a side of the steel washer II 11 of welding is not coated strength adhesive, and firm with rubber ring 12 bondings, on steel ring II 8, one block plate 7 of the each welding in middle part below, at steel plate 7 with do not punch on the acra of the angle steel II 14 in embedded concrete structure 16, evenly, be arranged symmetrically with some high tensile steel wires 9 through steel plate 7 and the acra of the angle steel II 14 in embedded concrete structure 16 not, acra one side of the angle steel II 14 in embedded concrete structure 16 is not tightened set bolt 10, settling in steel plate 7 one sides can loose bolts 6, device for measuring force 5 is fixedly connected between steel washer I 3 and steel ring II 8, between steel washer II 11 and steel ring II 8, displacement meter is installed.
It is the water-bed traffic tunnel that the Zhujiang River is crossed in one of Guangzhou that continent head is chewed immersed tube tunnel, 3253.034 meters of engineering total lengths, wherein in the Zhujiang River 340 meters long be immersed segment.Immersed segment is divided into four pipe joints, and every section is 85 meters long, amounts to 340 meters, adopts flexible joint to connect.For at present about immersed tube tunnel the force analysis under various load actions particularly the joint characteristic research under geological process is inadequate, carry out the large tunnel model-simulated earthquake vibration stand array test of joint under multiple spot earthquake input under water, to better hold immersed tube tunnel joint and tunnel stress, the distortion reaction under geological process under water, the seismic resistance calculation of chewing Tunnel Engineering for continent head provides strong technical support, for the formulation of China's immersed tube tunnel earthquake resistant code provides theory and test basis.
Shaketalle test reduced scale 1:60, concrete tunnel model divides four sections, 1400 millimeters of every segment lengths, wide 503 millimeters, on concrete tunnel model, 22 millimeters of lower wall thickness, 20 millimeters of both sides wall thickness, wide 220 millimeters by two internal diameters, the rectangular opening composition of high 116 millimeters, thick 20 millimeters of steel washer I 3, thick 130 millimeters of steel ring I 4, thick 50 millimeters of steel ring II 8, thick 20 millimeters of steel washer II 11, thick 15 millimeters of rubber ring 12, thick 50 millimeters of steel ring III 13, have three joints, in this example, angle steel is cut into zigzag fashion, make vibration in test make it to draw bad for fear of casting concrete layered.Carry out immersed tube tunnel-joint shaketalle test under water by Beijing University of Technology nine sub-array multi-support and multi-dimension seismic oscillation platform table array system, accurately recorded displacement and the axle power of joint.

Claims (9)

1. one kind for simulating the member of immersed tube tunnel flexible joint, comprise reinforcing bar I (1), angle steel I (2), steel washer I (3), steel ring I (4), device for measuring force (5), can loose bolts (6), steel plate (7), steel ring II (8), high tensile steel wire (9), set bolt (10), steel washer II (11), rubber ring (12), steel ring III (13), angle steel II (14) and reinforcing bar II (15), it is characterized in that: steel washer and steel ring all adopt steel, acra welding in the embedded concrete structure (16) of reinforcing bar I (1) and angle steel I (2), steel washer I (3) is welded in the acra of the upper and lower angle steel I (2) in embedded concrete structure (16) not, one end of steel ring I (4) is welded in the inwall of steel washer I (3), acra welding in the embedded concrete structure (16) of reinforcing bar II (15) and angle steel II (14), steel washer II (11) is welded in the acra of the upper and lower angle steel II (14) in embedded concrete structure (16) not, one end of steel ring III (13) is welded in the inwall of steel washer II (11), a side of the steel washer II (11) of welding is not coated strength adhesive, and firm with rubber ring (12) bonding, on steel ring II (8), middle part each welding one block plate (7) below, at steel plate (7) with do not punch on the acra of the angle steel II (14) in embedded concrete structure (16), evenly, be arranged symmetrically with some high tensile steel wires (9) through steel plate (7) and the acra of the angle steel II (14) in embedded concrete structure (16) not, acra one side of the angle steel II (14) in embedded concrete structure (16) is not tightened set bolt (10), settling in steel plate (7) one sides can loose bolts (6), device for measuring force (5) is fixedly connected between steel washer I (3) and steel ring II (8).
2. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: the cross sectional shape of steel ring II (8) is identical with the cross sectional shape of steel washer I (3), steel washer II (11), and its axial rigidity is greater than the axial rigidity in equal length tunnel.
3. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: device for measuring force (5) is symmetrically distributed in Si Ge bight, cross section.
4. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: high tensile steel wire (9) is connected in tunnel model and steel ring (8), and can loose bolts (6) and the position of set bolt (10) can exchange.
5. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: rubber ring (12) can be changed to some springs and be evenly arranged in not face of weld surrounding of steel washer II (11), spring one end is fixedly connected with steel washer II (11), and the other end is connected or does not connect with steel ring II (8).
6. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: high tensile steel wire (9) along on angle steel II (14) length direction evenly, be arranged symmetrically with.
7. according to claim 1 and 2 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: steel ring III (13) and steel ring I (4) are set respectively as shear connector between steel washer II (11) and steel ring II (8) and inside between steel ring II (8) and steel washer I (3).
8. a kind of for simulating the member of immersed tube tunnel flexible joint according to claim 1 or 5, it is characterized in that: turning can loose bolts (6), while making steel ring II (8) and rubber ring (12) jam-packed, between steel ring I (4) and steel ring III (13), to be left to the space of few 2 centimetres, avoid the two collision.
9. according to claim 1 a kind of for simulating the member of immersed tube tunnel flexible joint, it is characterized in that: between steel washer II (11) and steel ring II (8), displacement meter is installed.
CN201420006442.2U 2014-01-06 2014-01-06 Component for simulating flexible joint of immersed tunnel Withdrawn - After Issue CN203908754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420006442.2U CN203908754U (en) 2014-01-06 2014-01-06 Component for simulating flexible joint of immersed tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420006442.2U CN203908754U (en) 2014-01-06 2014-01-06 Component for simulating flexible joint of immersed tunnel

Publications (1)

Publication Number Publication Date
CN203908754U true CN203908754U (en) 2014-10-29

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743558A (en) * 2014-01-06 2014-04-23 北京工业大学 Member for simulating flexible joint of immersed tube tunnel
CN104807497A (en) * 2015-02-16 2015-07-29 中交天津港湾工程研究院有限公司 Immersed tube tunnel construction monitoring system and construction technology thereof
CN105649118A (en) * 2016-01-25 2016-06-08 大连理工大学 Pipe section model testing device simulating hydraulic power compression connection mode
CN107700536A (en) * 2017-09-01 2018-02-16 中交第航务工程局有限公司 Immersed tube tunnel closure segment immersed tube engagement cavity water discharge method
CN113834604A (en) * 2021-08-16 2021-12-24 天津大学 Shield tunnel visual model test device based on adjustable leakage points

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743558A (en) * 2014-01-06 2014-04-23 北京工业大学 Member for simulating flexible joint of immersed tube tunnel
CN103743558B (en) * 2014-01-06 2016-08-24 北京工业大学 A kind of component for simulating immersed tube tunnel flexible joint
CN104807497A (en) * 2015-02-16 2015-07-29 中交天津港湾工程研究院有限公司 Immersed tube tunnel construction monitoring system and construction technology thereof
CN104807497B (en) * 2015-02-16 2017-05-17 中交天津港湾工程研究院有限公司 Immersed tube tunnel construction monitoring system and construction technology thereof
CN105649118A (en) * 2016-01-25 2016-06-08 大连理工大学 Pipe section model testing device simulating hydraulic power compression connection mode
CN107700536A (en) * 2017-09-01 2018-02-16 中交第航务工程局有限公司 Immersed tube tunnel closure segment immersed tube engagement cavity water discharge method
CN107700536B (en) * 2017-09-01 2019-07-26 中交第一航务工程局有限公司 Immersed tube tunnel closure segment immersed tube engagement cavity water discharge method
CN113834604A (en) * 2021-08-16 2021-12-24 天津大学 Shield tunnel visual model test device based on adjustable leakage points

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141029

Effective date of abandoning: 20160824

C25 Abandonment of patent right or utility model to avoid double patenting