CN102589913A - Horizontal tunnel lining model test platform modularization loading machine frame - Google Patents
Horizontal tunnel lining model test platform modularization loading machine frame Download PDFInfo
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- CN102589913A CN102589913A CN201210021926XA CN201210021926A CN102589913A CN 102589913 A CN102589913 A CN 102589913A CN 201210021926X A CN201210021926X A CN 201210021926XA CN 201210021926 A CN201210021926 A CN 201210021926A CN 102589913 A CN102589913 A CN 102589913A
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Abstract
The invention provides a horizontal tunnel lining model test platform modularization loading machine frame, and belongs to the technical field of civil engineering. The conventional longitudinal loading machine frame has a structure comprising two parallel beams which are welded and connected by a steel plate and form a rhombic structure due to difference of force application time of a hydraulic cylinder; and loading seats at two ends of a 'concave'-shaped box beam adopt 'L'-shaped right-angle transition, so stress is concentrated and the loading test precision is influenced. Two groups of loading seats are symmetrically arranged at two ends; each group of loading seat is arranged on the same steel plate; an arc-shaped reinforcing rib plate is arranged on the back side of each loading seat in the transfer direction of the force; the two side plates have large arc-shaped structures; square holes with circular arc angles are formed in the middle; the longitudinal rib plate, the loading seats and the transverse rib plate are welded with the two side plates; a transverse loading structure takes the shape of a right-angle trapezoid; the inclined edge and the upper edge are in large arc transition; a reinforcing rib is arranged in the transverse loading structure; and the structure and an upright post of a vertical loading structure are positioned by a baffle and fixed by high-strength bolts. The horizontal tunnel lining model test platform modularization loading machine frame is mainly applied to the tunnel lining model test.
Description
Technical field
The invention belongs to technical field of civil engineering, particularly the loading frame used of tunnel-liner model investigation.
Background technology
Loading frame is the main force structure in the tunnel-liner model investigation, also is used for installation, the location of other equipment of this experimental study, is the key structure that obtains reliable test figure.
The existing frame that loads is made up of vertical, horizontal, vertical loading structure three parts, realizes six loadings of tunnel-liner model.There are eight to load seat in vertical, horizontal direction symmetric arrangement, are used to install eight horizontal thrust hydraulic cylinders.At four counter-force seats of vertical top layout, four vertical forces that vertical counter-force hydraulic cylinder transmits on the opposing upper cover plate; Vertical bottom is provided with loading floor, thereby realizes tunnel-liner the model fixing and application of force up and down.Vertically loading structure keeps flat parallel on the ground integral body " recessed " shape cased beam formation by two; Be higher than the loading floor place on top, " recessed " shape cased beam two ends and be symmetrical set loading counter-force seat; Load and adopt the right angle transition of " L " shape between counter-force seat and the bottom tie-beam, zone of transition adopts the triangular-section beam to carry out reinforcement.Laterally loading structure adopts symmetrical structure; Be arranged in the vertical loading structure column outside; And weld together with vertical loading structure pedestal, form " door " shape structure by top loading counter-force seat and bottom important actor assembly welding, both are box girder structure; Two cased beams in top cased beam and bottom adopt jam welding, adopt the triangular-section beam to carry out reinforcement in both junctions.Vertical loading structure is made up of two groups of parallel " door " shape welding structure and loading floors; The top is the cased beam that is furnished with the counter-force seat; The outside is the column of box structure, and column and pedestal adopt the pin joint structure, and the side is provided for the driving hydraulic cylinder of side direction upset; Pedestal welds with steel plate with vertical loading structure, and the bottom adds steel plate structure for TOC.
During test; On loading floor, lay the tunnel-liner model between two parties, periphery imposes country rock, loads at eight the respective drive hydraulic cylinder is installed on the seat; On vertical loading structure, lay the counter-force hydraulic cylinder; By the pressure of control gear control hydraulic cylinder model is implemented six and evenly load, with simulation tunnel lining cutting actual loading situation, the stress distribution of test lining cutting.
Adopt the existing problem that loads frame to be: vertically to load frame and be designed to two parallel girder structures, adopt steel plate to be welded to connect between the girder construction, increased manufacturing cost, and, influence loading accuracy because of the hydraulic cylinder application of force mistiming is prone to form diamond structure; Loading seat at " recessed " shape cased beam two ends adopts the right angle transition of " L " shape, and zone of transition adopts the triangular-section beam to carry out reinforcement, is prone to cause stress to concentrate, and the distortion of loading counter-force seat is bigger, and influence loads measuring accuracy.Laterally two cased beams in loading structure top cased beam and bottom adopt jam welding, and the junction adopts the triangular-section beam to carry out reinforcement, and this structure is concentrated at butt-weld place stress; All transverse forces are born by four blocks of steel plates with the jam welding of vertical loading structure pedestal, concentrate at butt-weld place stress.Vertical loading structure is designed to column and the top cased beam can need be controlled by hydraulic mechanism around the pedestal rotational structure, and will safety catch be set on pedestal, has increased cost and unsafe factor; And two pedestal connect with vertically also adopting the right angle pattern being connected between the loading structure, be prone to cause stress to concentrate.Need overhead travelling crane and support equipment thereof, bigger to environmental reconstruction, input cost is big.
Summary of the invention
The purpose of this invention is to provide a kind of horizontal tunnel-liner rig for model test modularization and load frame; Use the low cost of manufacture of this loading frame; Less demanding to the laboratory headroom, need not add overhead travelling crane and support equipment thereof, easy disassembling; The structural entity strength and stiffness are big, can ensure the accuracy and the safety of test.
For solving the problem on the original structure, strengthen lab space adaptability, reduce manufacturing cost; Ensure safety; Be easy to dismounting, the concrete technical scheme that the present invention implemented is: the loading frame of this tunnel-liner model test, and vertically loading structure is an integral body " recessed " shape box-structure; Symmetric arrangement loads seat for two groups at two ends, and every group loads seat on same steel plate; Load a back side and apply arc reinforcement gusset at the direction of transfer of power, biside plate is the orthodrome structure, offers the square hole of band arc chord angle at the middle part, and its vertical gusset, loading seat and horizontal gusset and biside plate weld; Laterally loading structure is a right-angled trapezium, hypotenuse and top orthodrome transition, and the set inside reinforcement, through the baffle plate location, high-strength bolt is fixed between this structure and the vertical loading structure column; The box-shaped reaction beam at column top is connected through high-strength bolt with column; The column middle part is provided with and laterally loads the device that seat is connected, and the bottom is that U-shaped opening and connecting interface are connected with the bottom tie-beam; The bottom tie-beam passes vertical loading structure, and whole vertical loading structure is " returning " shape structure.The bottom plummer adopts concrete upper berth steel plate structure.
Compared with prior art, of the present invention have beneficial effect to be:
, no longer be two parallel girders vertically, reduced manufacturing cost, increased integral rigidity, guaranteed test accuracy for " recessed " shape one-piece construction of band orthodrome transition and circular arc diagonal brace; All adopt the orthodrome transition at counter-force seat and changes of section place, junction, bottom; The connection place of crossing, vertical loading structure bottom is provided with round rectangle at the middle part; Integral body to realize vertical loading structure " is returned " the shape structure, and it is concentrated to be beneficial to the stress that reduces the connection zone of transition.
Laterally, vertical loading structure couples together; Form " returning " shape in the longitudinal cross-section and add the diagonal brace one-piece construction; Lateral cross section forms " recessed " shape one-piece construction; With laterally all becoming integrally-built internal force with the vertical power that receives, increased the stability of device, reduced the stress that connects zone of transition and concentrated.
All loading structures are arranged on the surface level, are convenient to install; All structures all need not be fixed on ground, have reduced surface management work, have reduced cost.
All loading structures all adopt modular design, and each module all can be made separately, and intermodule adopts loading plate or high-strength bolt to connect, and installs simply, also can not damage former functional structure even remove.
Column design is the overall fixed formula, has reduced the input of pedestal, hydraulic drive mechanism, overhead travelling crane and support equipment thereof, has reduced manufacture difficulty and cost.
The accessibility design has all been adopted in all junctions, is convenient to assembly and disassembly; All weld seams all adopt fillet weld, have avoided butt-weld, have reduced stress and have concentrated, and have increased weld strength, have guaranteed structural safety.
The column top adopts U type opening can adjust structure, but the variation of adaptive model height.
Description of drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is the vertical loading beam synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to further describe:
Fig. 1 is that a kind of horizontal tunnel-liner rig for model test modularization loads frame for a kind of embodiment of the present invention; The loading frame of this tunnel-liner model test; Vertically loading structure 1 is an integral body " recessed " shape box-structure; Symmetric arrangement loads seat for two groups at two ends, and every group loads seat on same steel plate; Load the seat back side and apply arc reinforcement gusset at the direction of transfer of power; Biside plate is the orthodrome structure; Offer the square hole of band arc chord angle at the middle part, be convenient to passing of vertical loading structure bottom tie-beam, its vertical gusset, loading seat and laterally gusset and biside plate welding; Laterally loading structure 4 is a right-angled trapezium, hypotenuse and top orthodrome transition, and the set inside reinforcement is located the common force structure of high-strength bolt set bolt and baffle plate through baffle plate between this structure and the vertical loading structure column 2; The box-shaped reaction beam 3 at column 2 tops is connected through high-strength bolt with column, can realize adjusting up and down; Column 2 middle parts are provided with and laterally load device that seat 4 is connected to realize and being connected of laterally loading that the bottom is that U-shaped opening and connecting interface are connected with bottom tie-beam 5; Bottom tie-beam 5 passes vertical loading structure, and whole vertical loading structure is " returning " shape structure.The bottom plummer adopts and the similar concrete of original structure upper berth steel plate structure.
After according to drawing each parts assembly welding being become corresponding module; Vertical loading structure 1 level is placed on the surface level; Vertical loading structure bottom tie-beam 5 is crossed vertical loading structure mider hole, horizontal loading structure 4 is moved into place, column is moved into place; Connect the vertical loading structure of column bottom tie-beam 5 and column 2; Adjust the horizontal load-carrying surface applying of horizontal loading structure 4 medial surfaces and column and adopt bolt and baffle arrangement and four root posts 2 to couple together, lifting top reaction beam 3 is adjusted height as required and is adopted bolt to the U type mouth of column 2; Vertically imposing the concrete plummer around loading structure and the vertical loading structure base plate tie-beam, on lay the construction that steel plate can be accomplished the whole loading structure.
Claims (1)
1. a horizontal tunnel-liner rig for model test modularization loads frame, and vertically loading structure (1) is an integral body " recessed " shape box-structure, it is characterized in that: symmetric arrangement loads seat for two groups at two ends, and every group loads seat on same steel plate; Load a back side and apply arc reinforcement gusset at the direction of transfer of power, biside plate is the orthodrome structure, offers the square hole of band arc chord angle at the middle part, and its vertical gusset, loading seat and horizontal gusset and biside plate weld; Laterally loading structure (4) is a right-angled trapezium, hypotenuse and top orthodrome transition, and the set inside reinforcement, through the baffle plate location, high-strength bolt is fixed between this structure and the vertical loading structure column (2); The box-shaped reaction beam (3) at column top is connected through high-strength bolt with column (2); Column (2) middle part is provided with and laterally loads the device that seat is connected, and the bottom is that U-shaped opening and connecting interface are connected with bottom tie-beam (5); Bottom tie-beam (5) passes vertical loading structure, and whole vertical loading structure is " returning " shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210021926XA CN102589913A (en) | 2012-01-31 | 2012-01-31 | Horizontal tunnel lining model test platform modularization loading machine frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210021926XA CN102589913A (en) | 2012-01-31 | 2012-01-31 | Horizontal tunnel lining model test platform modularization loading machine frame |
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| CN102589913A true CN102589913A (en) | 2012-07-18 |
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| CN201210021926XA Pending CN102589913A (en) | 2012-01-31 | 2012-01-31 | Horizontal tunnel lining model test platform modularization loading machine frame |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196684A (en) * | 2013-03-01 | 2013-07-10 | 同济大学 | Structure test omnibearing universal loading system |
| CN103257080A (en) * | 2013-05-23 | 2013-08-21 | 西南交通大学 | Prototype test device for shield tunnel dual-layer lining structure and secondary lining pouring device |
| CN104964840A (en) * | 2015-07-15 | 2015-10-07 | 福州大学 | Secondary lining arch foot sedimentation experiment loading device and application method |
| CN115979697A (en) * | 2023-03-17 | 2023-04-18 | 西安航天动力研究所 | Frame multiplex condition test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2420639Y (en) * | 2000-05-29 | 2001-02-21 | 交通部重庆公路科学研究所 | vertical external loadiing executor for channel wall rock stability analysis |
| JP2004324341A (en) * | 2003-04-28 | 2004-11-18 | Saga Kogyo Kk | Form for tunneling work |
| CN101105428A (en) * | 2007-07-10 | 2008-01-16 | 浙江大学 | Armoured concrete test teaching integrated loading device |
| CN101696913A (en) * | 2009-10-30 | 2010-04-21 | 同济大学 | Small-range tunnel horizontal plane model tester system for realizing multistage and master control loading |
| CN102004054A (en) * | 2010-09-21 | 2011-04-06 | 同济大学 | Three-way loading mechanical property test system of multifunctional lining segment joint |
| CN202522428U (en) * | 2012-01-31 | 2012-11-07 | 西南交通大学 | Horizontal tunnel lining model test platform modularization loading machine frame |
-
2012
- 2012-01-31 CN CN201210021926XA patent/CN102589913A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2420639Y (en) * | 2000-05-29 | 2001-02-21 | 交通部重庆公路科学研究所 | vertical external loadiing executor for channel wall rock stability analysis |
| JP2004324341A (en) * | 2003-04-28 | 2004-11-18 | Saga Kogyo Kk | Form for tunneling work |
| CN101105428A (en) * | 2007-07-10 | 2008-01-16 | 浙江大学 | Armoured concrete test teaching integrated loading device |
| CN101696913A (en) * | 2009-10-30 | 2010-04-21 | 同济大学 | Small-range tunnel horizontal plane model tester system for realizing multistage and master control loading |
| CN102004054A (en) * | 2010-09-21 | 2011-04-06 | 同济大学 | Three-way loading mechanical property test system of multifunctional lining segment joint |
| CN202522428U (en) * | 2012-01-31 | 2012-11-07 | 西南交通大学 | Horizontal tunnel lining model test platform modularization loading machine frame |
Non-Patent Citations (1)
| Title |
|---|
| 王彪等: "上海崇明越江隧道衬砌整环试验加载方法研究", 《施工技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196684A (en) * | 2013-03-01 | 2013-07-10 | 同济大学 | Structure test omnibearing universal loading system |
| CN103257080A (en) * | 2013-05-23 | 2013-08-21 | 西南交通大学 | Prototype test device for shield tunnel dual-layer lining structure and secondary lining pouring device |
| CN103257080B (en) * | 2013-05-23 | 2015-10-14 | 西南交通大学 | Secondary lining builds device |
| CN104964840A (en) * | 2015-07-15 | 2015-10-07 | 福州大学 | Secondary lining arch foot sedimentation experiment loading device and application method |
| CN104964840B (en) * | 2015-07-15 | 2017-09-15 | 福州大学 | A kind of secondary lining arch springing sedimentation experiment loading device and its application method |
| CN115979697A (en) * | 2023-03-17 | 2023-04-18 | 西安航天动力研究所 | Frame multiplex condition test device |
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Application publication date: 20120718 |