CN205192869U - Shield tunnel lining segment bending resistance test device - Google Patents
Shield tunnel lining segment bending resistance test device Download PDFInfo
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- CN205192869U CN205192869U CN201521035177.1U CN201521035177U CN205192869U CN 205192869 U CN205192869 U CN 205192869U CN 201521035177 U CN201521035177 U CN 201521035177U CN 205192869 U CN205192869 U CN 205192869U
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Abstract
The utility model discloses a shield tunnel lining segment bending resistance test device, including the master controller, the horizontal pedestal that supplies to be placed by the test section of jurisdiction, install reaction frame on horizontal pedestal, carry out the section of jurisdiction support piece that supports to the both ends by the test section of jurisdiction respectively to the urging means that is exerted the downward pressure by test section of jurisdiction middle part is two sets of about and, test the section of jurisdiction knot on horizontal pedestal, urging means lays the hydraulic jack below the crossbeam including two symmetries in front and back, and two hydraulic jack belows all are provided with biography power roof beam one, and the per pass passes the both ends of controlling of the roof beam of doing all can and supports respectively on two bottom -support beam, section of jurisdiction support piece includes medial branch bracer and lateral branch bracer, is equipped with horizontal displacement detecting element on the lateral branch bracer, is tested section of jurisdiction middle part below and has laid two vertical displacement detecting element in front and back. The utility model has the advantages of simple structure and reasonable design and use easy and simple to handle, excellent in use effect, can carry out the beam test in simple and convenient, quick shield structure section of jurisdiction to different diameters.
Description
Technical field
The utility model belongs to shield duct piece technical field of quality detection, especially relates to a kind of shield tunnel lining segment beam test device.
Background technology
Project test detection work is an important component part in variable loads during construction, also be indispensable key link in quality control on construction and final acceptance of construction evaluation work, project test detection work for raising construction quality, speed up the work, reduce construction costs, promote operating technique progress etc. and all serve very important effect.Shield construction has fast, high-quality, efficient, safety, environmental protection, feature that automaticity is high, just more and more serve in the middle of engineering construction.Shield tunnel lining segment (hereinafter referred to as shield duct piece) is the main mounting structure of shield-tunneling construction, is the innermost layer barrier in tunnel, carries the effect of opposing earth pressure, groundwater pressure and some special loads.Further, shield duct piece is the permanent lining, secondary lining structure of shield tunnel, and the quality of shield duct piece is directly connected to total quality and the safety in tunnel, affects water resistance and the endurance quality in tunnel.Thus, the lining segment as shield tunnel main body is related to the quality safety in whole tunnel, and the Test Detection Work of shield duct piece is then for quality control on construction, delivery receiving acceptance evaluation provide Main Basis.
In recent years, bore tunnel project under construction of growing up increases gradually, is especially greater than 100m for cross sectional area
2large section tunnel construct before, need to its inside fill large-diameter shield section of jurisdiction quality carry out testing inspection, wherein an important test event of large-diameter shield section of jurisdiction is carried out in anti-bending strength test.For large-diameter shield section of jurisdiction, the arc section of jurisdiction that every ring shield duct piece (also claiming section of jurisdiction ring or Lining Ring) is along the circumferential direction laid by polylith is spliced.But at present, when beam test is carried out to large-diameter shield section of jurisdiction, the section of jurisdiction beam test device that neither one is special, can not easy, fast beam test is carried out to large-diameter shield section of jurisdiction, and can not realize the beam test of different-diameter section of jurisdiction, the scope of application is limited.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of shield tunnel lining segment beam test device is provided, its structure simple, reasonable in design and use easy and simple to handle, result of use good, can easy, fast beam test is carried out to the shield duct piece of different-diameter.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of shield tunnel lining segment beam test device, it is characterized in that: comprise primary controller, the horizontal pedestal for tested section of jurisdiction horizontal positioned, the reaction frame be arranged on horizontal pedestal, to applying the force application mechanism of downward pressure and two groups, left and right in the middle part of tested section of jurisdiction respectively to the section of jurisdiction support member that the two ends of tested section of jurisdiction support, described tested section of jurisdiction is arc section of jurisdiction and it is buckled on horizontal pedestal; Described reaction frame is portal support and it comprises crossbeam and two vertical upright columns be supported in respectively below crossbeam rear and front end, and described crossbeam is positioned at directly over tested section of jurisdiction, and described crossbeam is level laying and its center line along tested section of jurisdiction is laid; Described force application mechanism comprises former and later two symmetries and is laid in hydraulic jack below crossbeam, two described hydraulic jack all in vertically to laying; Two described hydraulic jack to be all positioned at above tested section of jurisdiction and to be provided with one transfer beam below the two, and transfer beam described in twice is all laid in same level and the two is all vertical runs with crossbeam; Be laid with a lower support beam above the left and right sides of described tested section of jurisdiction, two described lower support beams are symmetrically laid, and two described lower support beams are all laid in same level and the two is all parallel laying with crossbeam; The two ends, left and right of transfer beam described in per pass are supported on two described lower support beams respectively; Described in two groups, section of jurisdiction support member symmetry is laid on horizontal pedestal; Often organize described section of jurisdiction support member and include former and later two symmetrical described section of jurisdiction support members laid, described section of jurisdiction support member comprises medial branch bracer and to be positioned at outside medial branch bracer and the lateral branch bracer that can outwards move horizontally, both sides inside and outside the end that described medial branch bracer and lateral branch bracer are supported in tested section of jurisdiction respectively and the two is triangle cushion block; Each described lateral branch bracer is equipped with horizontal shift detecting unit, former and later two vertical displacement detecting units are laid with below the middle part of described tested section of jurisdiction, two described vertical displacement detecting units lay respectively at immediately below two described hydraulic jack, and two described vertical displacement detecting units are all connected with primary controller with four described horizontal shift detecting units; Two described hydraulic jack are undertaken controlling by primary controller and the two is all connected with primary controller.
Above-mentioned shield tunnel lining segment beam test device, it is characterized in that: two described lower support beams are round steel, all pad between the rear and front end of each described lower support beam and tested section of jurisdiction and cushion block is housed, the upper surface of described cushion block is surface level and its underpart is supported on the lateral wall of tested section of jurisdiction.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: described horizontal pedestal is reinforced concrete pedestal.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: described reaction frame is shape steel bracket, and the both sides, front and back of described reinforced concrete pedestal are embedded with pre-embedded steel slab fixing bottom a confession two described vertical upright columns respectively.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: also comprise the inner support frame that three are all supported in side-lower in tested section of jurisdiction, and three described inner support frames are all parallel laying with described reaction frame; Three described inner support frames are respectively the midfoot support frame and the side supports frame of two symmetric support below the left and right sides, tested section of jurisdiction that are supported in below in the middle part of tested section of jurisdiction.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: three described inner support frames are all supported on horizontal pedestal and three is gate type support frame, and three described inner support frames are shape steel bracket.
Above-mentioned shield tunnel lining segment beam test device, it is characterized in that: each described inner support frame includes the vertical pillar that brace summer and two are supported in down either side before and after brace summer respectively, described upper brace summer is parallel laying with crossbeam and it is round steel.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: the spacing between two described side supports framves and described midfoot support frame is 400mm ~ 500mm.
Above-mentioned shield tunnel lining segment beam test device, is characterized in that: two described side supports framves lay respectively at immediately below two described lower support beams.
Above-mentioned shield tunnel lining segment beam test device, it is characterized in that: transfer beam described in twice is respectively and is positioned at front side transfer beam before and after horizontal pedestal above both sides and rear side transfer beam, two the described section of jurisdiction support members often organized in the support member of described section of jurisdiction are respectively and are supported in front side support member before and after horizontal pedestal above both sides and Backside support part, described front side support member and described front side transfer beam are laid on same vertical plane, and described Backside support part and described rear side transfer beam are laid on same vertical plane.
The utility model compared with prior art has the following advantages:
1, structure is simple, reasonable in design and processing and fabricating is easy, and input cost is lower.
2, use easy and simple to handle, loading procedure simple and result of use is good, practical value is high, by two hydraulic jack synchronously to tested section of jurisdiction applying loading force straight down, in tested section of jurisdiction, side-lower is provided with three inner support frames simultaneously, by adjusting the spacing in three inner support frames between two side bracket, the beam test demand of different-diameter shield duct piece just can be met.And, easy adjustment is carried out by the loading force size of primary controller to two hydraulic jack, the horizontal shift that hydraulic jack withstands on vertical displacement and the two ends, left and right, tested section of jurisdiction tested section of jurisdiction recorded a little can be detected and record respectively automatically simultaneously, thus significantly can simplify section of jurisdiction beam test process.
In sum, the utility model structure simple, reasonable in design and use easy and simple to handle, result of use good, can easy, fast beam test is carried out to the shield duct piece of different-diameter.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is using state reference diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-horizontal pedestal; 2-tested section of jurisdiction; 2-1-crossbeam;
2-2-vertical upright column; 3-hydraulic jack; 4-transfer beam;
5-lower support beam; 6-medial branch bracer; 7-lateral branch bracer;
8-cushion block; 9-inner support frame; 9-1-upper brace summer;
9-2-vertical pillar; 10-horizontal shift detecting unit; 11-primary controller;
12-pre-embedded steel slab; 13-vertical displacement detecting unit.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprise primary controller 11, the horizontal pedestal 1 for tested section of jurisdiction 2 horizontal positioned, the reaction frame be arranged on horizontal pedestal 1, to applying the force application mechanism of downward pressure and two groups, left and right in the middle part of tested section of jurisdiction 2 respectively to the section of jurisdiction support member that the two ends of tested section of jurisdiction 2 support, described tested section of jurisdiction 2 for arc section of jurisdiction and its be buckled on horizontal pedestal 1.Described reaction frame is portal support and it comprises crossbeam 2-1 and two the vertical upright column 2-2 be supported in respectively below crossbeam 2-1 rear and front end, described crossbeam 2-1 is positioned at directly over tested section of jurisdiction 2, and described crossbeam 2-1 is level laying and its center line along tested section of jurisdiction 2 is laid.Described force application mechanism comprise former and later two symmetries be laid in hydraulic jack 3, two described hydraulic jack 3 below crossbeam 2-1 all in vertically to laying.Two described hydraulic jack 3 to be all positioned at above tested section of jurisdiction 2 and to be provided with one transfer beam 4 below the two, and transfer beam 4 described in twice is all laid in same level and the two is all vertical runs with crossbeam 2-1; Be laid with a lower support beam 5, two described lower support beams 5 above the left and right sides of described tested section of jurisdiction 2 symmetrically to lay, two described lower support beams 5 are all laid in same level and the two is all parallel laying with crossbeam 2-1.The two ends, left and right of transfer beam 4 described in per pass are supported on two described lower support beams 5 respectively.Described in two groups, section of jurisdiction support member symmetry is laid on horizontal pedestal 1.Often organize described section of jurisdiction support member and include former and later two symmetrical described section of jurisdiction support members laid, described section of jurisdiction support member comprises medial branch bracer 6 and to be positioned at outside medial branch bracer 6 and the lateral branch bracer 7 that can outwards move horizontally, both sides inside and outside the end that described medial branch bracer 6 and lateral branch bracer 7 are supported in tested section of jurisdiction 2 respectively and the two is triangle cushion block.Each described lateral branch bracer 7 is equipped with horizontal shift detecting unit 10, former and later two vertical displacement detecting units 13 are laid with below the middle part of described tested section of jurisdiction 2, two described vertical displacement detecting units 13 lay respectively at immediately below two described hydraulic jack 3, and two described vertical displacement detecting units 13 are all connected with primary controller 11 with four described horizontal shift detecting units 10.Two described hydraulic jack 3 are undertaken controlling by primary controller 11 and the two is all connected with primary controller 11.
In the present embodiment, two described lower support beams 5 are round steel, all pad cushion block 8 is housed between the rear and front end of each described lower support beam 5 and tested section of jurisdiction 2, and the upper surface of described cushion block 8 is surface level and its underpart is supported on the lateral wall of tested section of jurisdiction 2.
In the present embodiment, two described hydraulic jack 3 are numerical control lifting jack.
In the present embodiment, described horizontal pedestal 1 is reinforced concrete pedestal.
During practice of construction, described reaction frame is shape steel bracket, and the both sides, front and back of described reinforced concrete pedestal are embedded with pre-embedded steel slab 12 fixing bottom the described vertical upright column 2-2 of a confession two respectively.
In the present embodiment, described pre-embedded steel slab 12 is the rectangle steel plate laid in level.
Meanwhile, the utility model also comprises three inner support frame 9, three described inner support frames 9 being all supported in side-lower in tested section of jurisdiction 2 is all parallel laying with described reaction frame; Three described inner support frames 9 are respectively the midfoot support frame and the side supports frame of two symmetric support below the left and right sides, tested section of jurisdiction 2 that are supported in below in the middle part of tested section of jurisdiction 2.
In the present embodiment, three described inner support frames 9 are all supported on horizontal pedestal 1 and three is gate type support frame, and three described inner support frames 9 are shape steel bracket.
Further, each described inner support frame 9 includes the vertical pillar 9-2 that brace summer 9-1 and two is supported in down either side before and after brace summer 9-1 respectively, and described upper brace summer 9-1 is parallel laying with crossbeam 2-1 and it is round steel.
During actual use, the spacing between two described side supports framves and described midfoot support frame is 400mm ~ 500mm.
In the present embodiment, two described side supports framves lay respectively at immediately below two described lower support beams 5.
During practice of construction, two described vertical pillar 6-2 are separately fixed on two described pre-embedded steel slabs 12.
In the present embodiment, transfer beam 4 described in twice is respectively and is positioned at front side transfer beam before and after horizontal pedestal 1 above both sides and rear side transfer beam, two the described section of jurisdiction support members often organized in the support member of described section of jurisdiction are respectively and are supported in front side support member before and after horizontal pedestal 1 above both sides and Backside support part, described front side support member and described front side transfer beam are laid on same vertical plane, and described Backside support part and described rear side transfer beam are laid on same vertical plane.
In actual use procedure, section of jurisdiction beam test method conveniently, by two described hydraulic jack 3 synchronously to the loading force that tested section of jurisdiction 2 applies straight down, until tested section of jurisdiction 2 is destroyed.In loading procedure, adjusted by the loading force size of primary controller 11 to two described hydraulic jack 3 and synchronous recording is carried out to the loading force size of hydraulic jack 3; And, respectively by two described vertical displacement detecting units 13 vertical displacement of the load(ing) point of two described hydraulic jack 3 on tested section of jurisdiction 2 detected in real time respectively and detected displacement information synchronous driving is carried out record to primary controller 11, respectively by four described horizontal shift detecting units 10 horizontal shift at two ends, tested section of jurisdiction about 2 detected in real time respectively and detected displacement information synchronous driving is carried out record to primary controller 11 simultaneously.In addition, in loading procedure, also need artificially on tested section of jurisdiction 2 occur that the width in crack carries out record.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a shield tunnel lining segment beam test device, it is characterized in that: comprise primary controller (11), the horizontal pedestal (1) for tested section of jurisdiction (2) horizontal positioned, the reaction frame be arranged on horizontal pedestal (1), the force application mechanism tested section of jurisdiction (2) middle part being applied to downward pressure and two groups, left and right respectively to the section of jurisdiction support member that the two ends of tested section of jurisdiction (2) support, described tested section of jurisdiction (2) is for arc section of jurisdiction and it is buckled on horizontal pedestal (1); Described reaction frame is portal support and it comprises crossbeam (2-1) and two vertical upright columns (2-2) be supported in respectively below crossbeam (2-1) rear and front end, described crossbeam (2-1) is positioned at directly over tested section of jurisdiction (2), and described crossbeam (2-1) is laid in level and its center line along tested section of jurisdiction (2) is laid; Described force application mechanism comprises the hydraulic jack (3) that former and later two symmetries are laid in crossbeam (2-1) below, two described hydraulic jack (3) all in vertical to laying; Two described hydraulic jack (3) are all positioned at top, tested section of jurisdiction (2) and are provided with one transfer beam (4) below the two, transfer beam described in twice (4) to be all laid in same level and the two all with crossbeam (2-1) in vertical runs; A lower support beam (5) is laid with above the left and right sides of described tested section of jurisdiction (2), two described lower support beams (5) are symmetrically laid, two described lower support beams (5) to be all laid in same level and the two all with crossbeam (2-1) in parallel laying; The two ends, left and right of transfer beam described in per pass (4) are supported on two described lower support beams (5) respectively; Section of jurisdiction support member symmetry described in two groups is laid on horizontal pedestal (1); Often organize described section of jurisdiction support member and include former and later two symmetrical described section of jurisdiction support members laid, described section of jurisdiction support member comprises medial branch bracer (6) and is positioned at medial branch bracer (6) outside and the lateral branch bracer (7) that can outwards move horizontally, both sides inside and outside the end that described medial branch bracer (6) and lateral branch bracer (7) are supported in tested section of jurisdiction (2) respectively and the two is triangle cushion block; Each described lateral branch bracer (7) is equipped with horizontal shift detecting unit (10), former and later two vertical displacement detecting units (13) are laid with below the middle part of described tested section of jurisdiction (2), two described vertical displacement detecting units (13) lay respectively at immediately below two described hydraulic jack (3), and two described vertical displacement detecting units (13) are all connected with primary controller (11) with four described horizontal shift detecting units (10); Two described hydraulic jack (3) are undertaken controlling by primary controller (11) and the two is all connected with primary controller (11).
2. according to shield tunnel lining segment beam test device according to claim 1, it is characterized in that: two described lower support beams (5) are round steel, all pad between the rear and front end of each described lower support beam (5) and tested section of jurisdiction (2) and cushion block (8) is housed, the upper surface of described cushion block (8) is surface level and its underpart is supported on the lateral wall of tested section of jurisdiction (2).
3. according to the shield tunnel lining segment beam test device described in claim 1 or 2, it is characterized in that: described horizontal pedestal (1) is reinforced concrete pedestal.
4. according to shield tunnel lining segment beam test device according to claim 3, it is characterized in that: described reaction frame is shape steel bracket, the both sides, front and back of described reinforced concrete pedestal are embedded with the fixing pre-embedded steel slab (12) in a confession two described vertical upright column (2-2) bottoms respectively.
5. according to the shield tunnel lining segment beam test device described in claim 1 or 2, it is characterized in that: also comprise the inner support frame (9) that three are all supported in tested section of jurisdiction (2) interior side-lower, three described inner support frames (9) are all parallel laying with described reaction frame; Three described inner support frames (9) are respectively the midfoot support frame and the side supports frame of two symmetric support below tested section of jurisdiction (2) left and right sides that are supported in below, middle part, tested section of jurisdiction (2).
6. according to shield tunnel lining segment beam test device according to claim 5, it is characterized in that: three described inner support frames (9) are all supported in that horizontal pedestal (1) is upper and three is gate type support frame, and three described inner support frames (9) are shape steel bracket.
7. according to shield tunnel lining segment beam test device according to claim 6, it is characterized in that: each described inner support frame (9) includes the vertical pillar (9-2) that brace summer (9-1) and two are supported in down either side before and after brace summer (9-1) respectively, and described upper brace summer (9-1) and crossbeam (2-1) are in parallel laying and it is round steel.
8. according to shield tunnel lining segment beam test device according to claim 5, it is characterized in that: the spacing between two described side supports framves and described midfoot support frame is 400mm ~ 500mm.
9. according to shield tunnel lining segment beam test device according to claim 5, it is characterized in that: two described side supports framves lay respectively at immediately below two described lower support beams (5).
10. according to the shield tunnel lining segment beam test device described in claim 1 or 2, it is characterized in that: transfer beam described in twice (4) is respectively and is positioned at front side transfer beam before and after horizontal pedestal (1) above both sides and rear side transfer beam, two the described section of jurisdiction support members often organized in the support member of described section of jurisdiction are respectively and are supported in front side support member before and after horizontal pedestal (1) above both sides and Backside support part, described front side support member and described front side transfer beam are laid on same vertical plane, and described Backside support part and described rear side transfer beam are laid on same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521035177.1U CN205192869U (en) | 2015-12-14 | 2015-12-14 | Shield tunnel lining segment bending resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521035177.1U CN205192869U (en) | 2015-12-14 | 2015-12-14 | Shield tunnel lining segment bending resistance test device |
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| Publication Number | Publication Date |
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| CN205192869U true CN205192869U (en) | 2016-04-27 |
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| CN201521035177.1U Active CN205192869U (en) | 2015-12-14 | 2015-12-14 | Shield tunnel lining segment bending resistance test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941601A (en) * | 2017-12-20 | 2018-04-20 | 西南交通大学 | A kind of load maintainer of shield tunnel construction duct piece connector test device |
| CN108398372A (en) * | 2018-03-26 | 2018-08-14 | 上海隧道工程有限公司 | Shield duct piece corrosion resistance test device |
| US11846613B2 (en) | 2020-12-31 | 2023-12-19 | Bayou Holdco, Inc. | Strain testing rig and method of evaluating strain characteristics of specimen |
| CN107941601B (en) * | 2017-12-20 | 2024-05-28 | 国家电网有限公司 | Loading mechanism of segment joint test device of shield tunnel structure |
-
2015
- 2015-12-14 CN CN201521035177.1U patent/CN205192869U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941601A (en) * | 2017-12-20 | 2018-04-20 | 西南交通大学 | A kind of load maintainer of shield tunnel construction duct piece connector test device |
| CN107941601B (en) * | 2017-12-20 | 2024-05-28 | 国家电网有限公司 | Loading mechanism of segment joint test device of shield tunnel structure |
| CN108398372A (en) * | 2018-03-26 | 2018-08-14 | 上海隧道工程有限公司 | Shield duct piece corrosion resistance test device |
| US11846613B2 (en) | 2020-12-31 | 2023-12-19 | Bayou Holdco, Inc. | Strain testing rig and method of evaluating strain characteristics of specimen |
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