CN1331103C - Arch bridge expiremental stage - Google Patents
Arch bridge expiremental stage Download PDFInfo
- Publication number
- CN1331103C CN1331103C CNB2005100185210A CN200510018521A CN1331103C CN 1331103 C CN1331103 C CN 1331103C CN B2005100185210 A CNB2005100185210 A CN B2005100185210A CN 200510018521 A CN200510018521 A CN 200510018521A CN 1331103 C CN1331103 C CN 1331103C
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- arch
- rope
- pylon
- arch bridge
- experiment table
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- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to an arch bridge experimental stage which comprises a stage plate (8), wherein the stage plate (8) is provided with two tower frames (1) whose top ends are respectively provided with a cable saddle (2), and a rope (17) arranged between the cable saddles (2) is provided with a hook (23). The stage plate (8) between the two tower frames (1) is provided with a detachable arch bridge model for installation and test. The present invention provides a basic stage for students to carry out comprehensive, designed and studying experiments, systematically trains expert managers, inspectors and monitors, and ensures that students carry out designed and studying experiments on the stage.
Description
Technical field
The present invention relates to bridge, be specifically related to have teaching, the bridge expiremental stage, particularly arch bridge expiremental stage of purposes such as Bridge Design, construction demonstration.
Background technology
Along with the lifelong responsibility system of construction quality, people pay attention to more to the quality of bridge, the monitoring in the science of bridge building building course, and therefore, cultivating the outstanding science of bridge building building course monitoring talent more has been the task of top priority.
At present, mainly in the mode of books teaching and workshop practice, the intuitive of this training method is poor to the management of science of bridge building building course, monitoring, monitor staff's training, and efficient is low, and the time that is spent is long.
Summary of the invention
Technical matters to be solved by this invention is: a kind of arch bridge expiremental stage is provided, and this bridge testing platform can be for comprehensively, intuitively, provide a platform for management, monitoring, the monitor staff who cultivates arch bridge engineering-built process expeditiously.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Arch bridge expiremental stage, it comprises platen, and platen is provided with two pylons, and the top of two pylons is respectively equipped with cable saddle, is provided with rope between the cable saddle, and rope is provided with suspension hook; Platen between two pylons is provided with and is used to the detachable arch bridge model installing and test.
In the such scheme, the top of two pylons is provided with three pairs of cable saddles, is equipped with rope between three pairs of cable saddles.
In the such scheme, it also comprises the hoist system that is used for rope for traction, and hoist system comprises windlass and is used to control the transmission control box of windlass.
In the such scheme, the pylon top is fixed with the knotted rope of the steel tube arch that is used for tractive arch bridge model.
In the such scheme, knotted rope is provided with ring type sensor, and its output terminal is connected with computing machine by A/D converter.
In the such scheme, pylon is provided with unidirectional tension and compression strain transducer, and its output terminal is connected with computing machine by A/D converter.
In the such scheme, reinforce by guy between pylon and the platen.
In the such scheme, be provided with twin beams twisting tension and compression sensor between the root of pylon and the platen, its output terminal is connected with computing machine by A/D converter.
In the such scheme, also comprise on the testing table:
Be used to be arranged on loading system on the bridge deck of arch bridge model,
Be used to be arranged on the suspension rod top of arch bridge model many stress centralized sensors,
Be used to be arranged on high low temperature strain monitoring rule on the arch bridge model steel tube arch,
Be used to be arranged on steel tube arch arch springing place the diplopore sensor,
Be used to be arranged on the displacement transducer between pylon and the rope;
The output terminal of each sensor is connected with computing machine by A/D converter.
The invention has the advantages that:
1, the building course of whole bridge
Can be for the practice of student's bridge provide a practice base, can carry out thereon the bridge construction process simulation, the stress simulation of steel tube arch hoisting process, nerve network system prediction arch bridge is linear with the simulation of the simulation of control absolute altitude, pylon shift simulation, concrete spouting process, becomes simulation that bridge tests, climb the simulation of hanging basket etc. certainly.Can demonstrate the overall process of construction, monitoring, monitoring.Learn the installation order at each position, the stress situation at each position when being installed to each part.Can allow the student do it yourself to carry out the practical operation of each link, can finish the installation process of whole bridge in the relatively shorter time.
2, the detection after the arch bridge model builds up
The branch various working is carried out the static load test of bridge to the arch bridge model, can test bridge floor STRESS VARIATION situation (static, dynamic), can carry out deflection test, bridge pier level (vertically) displacement measurement, the natural frequency test, steel tube arch stress test etc., and can draw out test curve accurately by computing machine.
Detection, maintenance and the reinforcement experiment of the old bridge after can carrying out also that bridge is long-term and using are used bridge and are surveyed freely to arrive with hanging basket and expects part, detect a flaw, and can reinforce and stress test etc. each member of bridge.
3, pylon structure compactness adopts the form of pylon (tower fastens) to build the arch bridge model, can significantly reduce and build the bridge cost.
4, stretch-draw has closed system of one's own, and employed transducer sensitivity height is reliable and stable.Testing tool and means of testing advanced person.On arch bridge expiremental stage of the present invention, can make a lot of comprehensive, design studies type experiments.
The present invention can systematically train skilled management, monitoring, monitor staff for the student offers comprehensively, the experiment of design, research provides a basic platform, allows the student on this platform, is engaged in the experiment of design, research.
Description of drawings
Fig. 1 is the structural representation of arch bridge expiremental stage embodiment of the present invention (building up state)
Fig. 2 is the vertical view of arch bridge expiremental stage embodiment of the present invention (building up state)
Fig. 3 is the A-A cut-open view of Fig. 1
Fig. 4 is the B-B cut-open view of Fig. 1
Embodiment
Arch bridge expiremental stage embodiment of the present invention as shown in Figure 1, 2, it comprises about 3 meters long platen 8, it is 1.9 meters pylon 1 that platen 8 is provided with two height, between pylon 1 and the platen 8 by guy 21 reinforcings.The top of two pylons 1 is respectively equipped with between 2, three pairs of cable saddles 2 of three pairs of cable saddles and is equipped with rope 17.Platen 8 is provided with the hoist system that is used for rope for traction 17, and hoist system comprises windlass 7 and is used to control the transmission control box 18 of windlass 7.Rope 17 is provided with suspension hook 23; Platen 8 between two pylons 1 is provided with and is used for installing and testing detachable arch bridge model.
Arch bridge model after building up comprises steel tube arch 3, is hung in the suspension rod 4 on the steel tube arch 3, the bridge deck 5 that suspension rod 4 is sling.The cross-sectional view of steel tube arch 3 such as Fig. 3, the cross-sectional view of bridge deck 5 such as Fig. 4.These steel tube arch 3 axis have adopted the cubic spline curve based on catenary.
Guy 21 usefulness wire rope are made, and are used for pylon 1 crosswise fixed.
Has installed one and be used for dynamometry diplopore sensor 14 at the arch springing place of each steel tube arch 3, in time grasps the stressing conditions of every arch.Control from absolute altitude, adopt nerve network system to predict and control absolute altitude.From supervisory system, can monitor the power or the stress of each key position of every kind of operating mode at any time, and then the science of assigning instructs guiding construction unit scientifically to construct, guarantee the reliability of engineering.Become after the arch, carry out concrete spouting to the arch springing place of steel tube arch 3, the stress of steel tube arch 3 is wanted timely tracking measurement during perfusion, also will carry out concrete density flaw detection experiment simultaneously.
Pylon 1 top is fixed with the knotted rope 6 of the steel tube arch 3 that is used for tractive arch bridge model, knotted rope 6 is a deformed bar, knotted rope 6 is provided with ring type sensor 12, natural frequency dynamometry and sensor dynamometry have been adopted in the Suo Li test, with dynamically transferring the rope method to guarantee the designed elevation of pulling force and every sections of every knotted rope 6.The pole of pylon 1 is provided with unidirectional tension and compression strain transducer 19, is provided with twin beams twisting tension and compression sensor 16 between the root of pylon 1 and the platen 8.
Also comprise on the testing table: be used to be arranged on loading system 22 on the bridge deck 5 of arch bridge model, be used to be arranged on suspension rod 4 tops of arch bridge model many stress centralized sensors 11, be used to be arranged on high low temperature strain monitoring rule 13 on the arch bridge model steel tube arch 3, be used to be arranged on steel tube arch 3 arch springing places diplopore sensor 14, be used to be arranged on the displacement transducer 20 between pylon 1 and the rope 17.
Many stress centralized sensors 11 is used to measure suspension rod stress, and ring type sensor 12 is used to survey guy stress, and high low temperature strain monitoring rule 13 are used to survey the steel tube arch ess-strain, and diplopore sensor 14 is used for surveying steel tube arch 3 arch springing stress; Twin beams draws, presses, turns round sensor 16 and is used for surveying pylon 1 stress; Unidirectional tension and compression strain transducer 15 has been installed at two arch springings, L/4,3L/8 (L represents the length of steel tube arch 3 in the surface level projection) and vault place in pylon 1 root, steel tube arch 3, this unidirectional tension and compression strain transducer 15, high low temperature strain monitoring rule 13, ring type sensor 12 are used for surveying the strain value of steel tube arch 3 at work progress, to guarantee construction safely and reliably.Displacement transducer 20 is used for surveying the side-play amount of pylon, measure bridge construction or load 22 processes, Cheng Qiao, the flaw detection of old bridge and reinforce in stress displacement and defect situation.Unidirectional tension and compression strain transducer 19 is used to survey the pylon bottom stress.
More than the output terminal of each sensor be connected with computing machine by A/D converter.
The also available bridge of the embodiment of the invention is surveyed with hanging basket 9, steel tube arch welding and is finished steel tube arch 3 with hanging basket 10, the lifting and the flaw detection of suspension rod 4 and bridge deck 5.
The method that experimentizes: at first paste foil gauge on pylon 1 and steel tube arch 3, carry out the examination of steel tube arch first sections and hang, will carry out the measurement of pylon stress and front and back beat amount this moment, adjusts guy 21, makes maximum beat amount control within the range of permission.After a sections is installed, carry out that sensor is manufactured and calibration experiment, stress measurement experiment, in level measurement and the centering process, relate to spirit-leveling instrument and transit survey experiment, measure the linear experiment of steel tube arch with full station, the Suo Li test of knotted rope and guy.Adopt nerve network system to predict and control absolute altitude, close up until steel tube arch.Close up the rope that releases afterwards, the envelope arch springing carries out the perfusion of concrete filled steel tube again.Full arch is carried out the detection of concrete solidity with nonmetal defectoscope.To pylon 1 inner mobile cable saddle 2, carry out the installation of crossbeam and boom system 4, the installation of bridge deck 5.Will carry out the test of suspension rod power and the test of bridge floor absolute altitude this moment.Finish the centering of steel tube arch 3 and the adjustment of absolute altitude with knotted rope 6, hoist system, platen 8.Drawing, press, turn round sensor 16, unidirectional tension and compression strain transducer 19, displacement transducer 20 with many stress centralized sensors 11, ring type sensor 12, high low temperature strain monitoring rule 13, diplopore sensor 14, twin beams measures in the bridge construction process, become bridge to detect, stress displacement and defect situation in old bridge flaw detection and the reinforcing.Also can carry out data acquisition, curve display, building course simulation etc. by high low temperature ultra micro strain measurement system, dynamic strain indicator, statical strain indicator, computer system; Also can carry out a variety of research experiments to reach simulation and emulation to actual conditions.
Claims (9)
1, arch bridge expiremental stage is characterized in that: it comprises platen (8), and platen (8) is provided with two pylons (1), and the top of two pylons (1) is respectively equipped with cable saddle (2), is provided with rope (17) between the cable saddle (2), and rope (17) is provided with suspension hook (23); Platen (8) between two pylons (1) is provided with and is used to the detachable arch bridge model installing and test.
2, experiment table as claimed in claim 1 is characterized in that: the top of two pylons (1) is provided with three pairs of cable saddles (2), is equipped with rope (17) between three pairs of cable saddles (2).
3, experiment table as claimed in claim 1 is characterized in that: it also comprises the hoist system that is used for rope for traction (17), and hoist system comprises windlass (7) and is used to control the transmission control box (18) of windlass (7).
4, experiment table as claimed in claim 1 is characterized in that: pylon (1) top is fixed with the knotted rope (6) of the steel tube arch (3) that is used for tractive arch bridge model.
5, experiment table as claimed in claim 4 is characterized in that: knotted rope (6) is provided with ring type sensor (12), and its output terminal is connected with computing machine by A/D converter.
6, experiment table as claimed in claim 1 is characterized in that: pylon (1) is provided with unidirectional tension and compression strain transducer (19), and its output terminal is connected with computing machine by A/D converter.
7, experiment table as claimed in claim 1 is characterized in that: reinforce by guy (21) between pylon (1) and the platen (8).
8, experiment table as claimed in claim 1 is characterized in that: be provided with twin beams twisting tension and compression sensor (16) between the root of pylon (1) and the platen (8), its output terminal is connected with computing machine by A/D converter.
9, experiment table as claimed in claim 1 is characterized in that: also comprise on the testing table:
Be used to be arranged on loading system (22) on the bridge deck (5) of arch bridge model,
Be used to be arranged on suspension rod (4) top of arch bridge model many stress centralized sensors (11),
Be used to be arranged on high low temperature strain monitoring rule (13) on the arch bridge model steel tube arch (3),
Be used to be arranged on steel tube arch (3) arch springing place diplopore sensor (14),
Be used to be arranged on the displacement transducer (20) between pylon (1) and the rope (17);
The output terminal of each sensor is connected with computing machine by A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100185210A CN1331103C (en) | 2005-04-07 | 2005-04-07 | Arch bridge expiremental stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100185210A CN1331103C (en) | 2005-04-07 | 2005-04-07 | Arch bridge expiremental stage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1694133A CN1694133A (en) | 2005-11-09 |
| CN1331103C true CN1331103C (en) | 2007-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100185210A Expired - Fee Related CN1331103C (en) | 2005-04-07 | 2005-04-07 | Arch bridge expiremental stage |
Country Status (1)
| Country | Link |
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| CN (1) | CN1331103C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236220B (en) * | 2013-04-24 | 2015-03-11 | 周桂香 | Practical training model for steel structure arch door hoisting technique and installation method of practical training model |
| CN103293012A (en) * | 2013-04-28 | 2013-09-11 | 国家电网公司 | Method for testing power transmission tower by using static scaling model |
| CN104464501A (en) * | 2014-12-12 | 2015-03-25 | 苏州大学 | Building with education function and building group |
| CN105334014B (en) * | 2015-11-10 | 2017-11-24 | 长安大学 | A kind of adjustable suspension cable method for testing deflection of bridge span |
| CN106097819A (en) * | 2016-07-31 | 2016-11-09 | 重庆交通大学 | Bridge for experimental teaching emulates detection method and system |
| CN106409044A (en) * | 2016-07-31 | 2017-02-15 | 重庆交通大学 | Bridge monitoring teaching system based on designable bridge model |
| CN108239937B (en) * | 2017-09-14 | 2021-12-28 | 贵州桥梁建设集团有限责任公司 | Self-balancing control method for arch bridge tower |
| CN108444553A (en) * | 2018-06-27 | 2018-08-24 | 广西路桥工程集团有限公司 | A kind of linear intelligent monitor system of arch rib installation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU864129A1 (en) * | 1979-12-26 | 1981-09-15 | Сибирский Автомобильно-Дорожный Институт Им. В.В.Куйбышева | Stand for testing bridge span structures |
| JPH09166957A (en) * | 1996-10-21 | 1997-06-24 | Kawasaki Heavy Ind Ltd | Device for constructing three-dimensional model for design and construction of bridge |
| JPH09203685A (en) * | 1996-01-26 | 1997-08-05 | Nkk Corp | Model support method in wind tunnel test and apparatus for the method |
| JP2001331099A (en) * | 2000-05-19 | 2001-11-30 | Satoyuki Ikeuchi | Method for detecting anisotropy of structure |
| CN2609091Y (en) * | 2003-03-19 | 2004-03-31 | 重庆市第一中学校 | Magnetic attraction lever-type convex-concave bridge experimental device |
-
2005
- 2005-04-07 CN CNB2005100185210A patent/CN1331103C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU864129A1 (en) * | 1979-12-26 | 1981-09-15 | Сибирский Автомобильно-Дорожный Институт Им. В.В.Куйбышева | Stand for testing bridge span structures |
| JPH09203685A (en) * | 1996-01-26 | 1997-08-05 | Nkk Corp | Model support method in wind tunnel test and apparatus for the method |
| JPH09166957A (en) * | 1996-10-21 | 1997-06-24 | Kawasaki Heavy Ind Ltd | Device for constructing three-dimensional model for design and construction of bridge |
| JP2001331099A (en) * | 2000-05-19 | 2001-11-30 | Satoyuki Ikeuchi | Method for detecting anisotropy of structure |
| CN2609091Y (en) * | 2003-03-19 | 2004-03-31 | 重庆市第一中学校 | Magnetic attraction lever-type convex-concave bridge experimental device |
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| Publication number | Publication date |
|---|---|
| CN1694133A (en) | 2005-11-09 |
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Granted publication date: 20070808 |