CN202502009U - Displacement and force dual-control self-balance test device for bending performance of column - Google Patents
Displacement and force dual-control self-balance test device for bending performance of column Download PDFInfo
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- CN202502009U CN202502009U CN2011205596291U CN201120559629U CN202502009U CN 202502009 U CN202502009 U CN 202502009U CN 2011205596291 U CN2011205596291 U CN 2011205596291U CN 201120559629 U CN201120559629 U CN 201120559629U CN 202502009 U CN202502009 U CN 202502009U
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Abstract
The utility model relates to a displacement and force dual-control self-balance test device for the bending performance of a column, and belongs to the field of concrete construction. The displacement and force dual-control self-balance test device comprises an outer framework, a loading device and a testing device, wherein the loading device is arranged in the outer framework and is connected with the testing device; the outer framework comprises an I-shaped top beam, I-shaped side beams and an I-shaped bottom beam; and the two I-shaped side beams are vertically arranged on the I-shaped bottom beam, and the I-shaped top beam is arranged at the top ends of the two I-shaped side beams. The displacement and force dual-control self-balance test device has the characteristics of simplicity in assembly, convenience in operation, fewer instruments required for test and capability of performing measurement on the casting site; and when the force and displacement control is carried out, the force and displacement protection can be set so as to guarantee test security.
Description
Technical field
The utility model relates to displacement and two control post press-bending performance self-balancing test devices of power and assay method, belongs to the concrete construction field.
Background technology
In the field of civil engineering, the eccentric compression performance of reinforced column is very important.Under geological process, reinforced column all is in bias state.Reinforced column is the main lateral resistant member of concrete frame, and the destruction of reinforced column is to cause that framework collapses, and after shake, is difficult to the main cause of repairing.
The eccentric at present post that loads, it mainly is to adopt load control that vertical force applies mode.Load is controlled at test specimen and is in the elastic stage performance better; In case and test specimen is in when elastic-plastic phase is especially approaching to be destroyed; The load stride will be difficult to control, and it is out of control to be easy to vertical force to occur, quicken the destruction of test specimen; Cause the test findings of distortion, therefore can't obtain the descending branch of load and displacement curve.
The utility model content
The utility model technical matters to be solved is the deficiency to above-mentioned prior art, and displacement and two control post press-bending performance self-balancing test devices of power and assay method are provided.
The utility model adopts following technical scheme:
The two control post press-bending performance self-balancing test devices of described displacement of the utility model and power comprise outside framework, charger and proving installation; Arrange charger in the described outside framework, charger connects proving installation; Described outside framework comprises the I shape back timber, and I shape is surveyed beam, I shape bottom girder; Vertical two I shapes survey beams, two I shapes survey back ends layout I shape back timbers arranged on the described I shape bottom girder; Described loading test device comprises actuator, displacement transducer, load transducer, ball pivot, planar hinge; The inboard vertical fixing actuator of described I shape back timber is arranged displacement transducer and load transducer in the actuator, the drive end of actuator is arranged ball pivot, I shape bottom girder upper end plane of arrangement hinge; Place testing column between ball pivot and the planar hinge, said trial assembly is put and is comprised controller, computing machine, dynamic signal analysis system, displacement meter, foil gauge; Actuator connects controller; Controller connects computing machine; Dynamic signal analysis system connects computing machine, and several displacement meters are arranged in I shape and survey on the beam, and several displacement meters contact with testing column through steel wire; Several foil gauges are arranged on the testing column, and several displacement meters are connected dynamic signal analysis system with the signal output part of several foil gauges.
The two control post press-bending performance self-balancing test devices of described displacement of the utility model and power, described steel wire is processed by indium steel.
Beneficial effect
The characteristics of the utility model proving installation are that assembling is simple, and easy to operate, it is less to test required instrument, can measure at the scene of building.Controller can carry out the control of displacement and power to actuator, so this device can be in the control of loading initial stage employing power, takes over seamlessly behind the concrete cracking to displacement to control.Can measure the descending branch of load and displacement curve, can measure the overall process curve of load and displacement, can measure the overall process curve of load and strain.And when power and displacement control, power and displacement protection, warranty test safety can be set.
Description of drawings
Fig. 1 be the utility model structural representation;
1 is the top i-shape steel beam among the figure, the 2nd, and left side I shape steel column, 3which right side I shape steel column, the 4th, bottom i-shape steel beam, the 5th, outside framework, the 6th, actuator; The 7th, displacement transducer, the 8th, load transducer, the 9th, ball pivot, the 10th, testing column, the 11st, oil pipe; The 12nd, hydraulic oil pump, the 13rd, controller, the 14th, computing machine, the 15th, Dynamic Signal detecting and analysing system, the 16th, high-strength bolt; The 17th, displacement meter, the 18th, foil gauge, the 19th, steel wire, the 20th, signal wire, the 21st, planar hinge.
Embodiment
Below in conjunction with accompanying drawing to the utility model further explain:
As shown in the figure: the two control post press-bending performance self-balancing test devices of displacement and power comprise outside framework 5, charger and proving installation; Arrange charger in the described outside framework 5, charger connects proving installation.
Outside framework 5 comprises the I shape back timber, and I shape is surveyed beam, I shape bottom girder; Vertical two I shapes survey beams, two I shapes survey back ends layout I shape back timbers arranged on the described I shape bottom girder; Described loading test device comprises actuator 6, displacement transducer 7, load transducer 8, ball pivot 9, planar hinge 21.
The inboard vertical fixing actuator 6 of I shape back timber is arranged displacement transducer 7 and load transducer 8 in the actuator 6, the drive end of actuator 6 is arranged ball pivot 9, I shape bottom girder upper end plane of arrangement hinge 21; Place testing column 10 between ball pivot 9 and the planar hinge 21; The said proving installation that connects comprises controller 13, computing machine 14, dynamic signal analysis system 15, displacement meter 17, foil gauge 18; Actuator 1 connects controller 13; Controller 13 connects computing machine 14; Dynamic signal analysis system 15 connects computing machine 14, and several displacement meters 17 are arranged in I shape and survey on the beam, and several displacement meters 17 contact with testing column 10 through steel wire 19; Several foil gauges 18 are arranged on the testing column 10, and several displacement meters 17 are connected dynamic signal analysis system 15 with the signal output part of several foil gauges 18.
This device can measure load and displacement curve descending branch, measure the overall process curve of load and displacement, the overall process curve of load and strain.
When power and displacement control, power and displacement protection, warranty test safety can be set.When power and displacement control, the maximal value and the minimum value of power and displacement can be set respectively, prevent that the situation of improper destruction from appearring in test specimen, the safety of protection test specimen and testing crew and equipment.
Loading initial stage employing power control takes over seamlessly behind the concrete cracking to displacement and controls.Steel wire 19 adopts the less indium steel of thermal expansivity to make to eliminate temperature effect.
The method of testing of the two control post press-bending performance self-balancing test devices of displacement and power, it is characterized in that: step is following:
1), the assembling charger,
Actuator 6 bounces back to topmost, and actuator 6 is connected with the upper end of outside framework 5 through high-strength bolt 16, bottom with high-strength bolt 16 planar hinge 21 being fixed on the i-shape steel beam 4; The testing column 10 of need test is installed between ball pivot 9 and the planar hinge 21; The upper ends testing column 10 of planar hinge 21; Testing column 10 bottoms are connected to planar hinge 21 with high-strength bolt 16, and the lower end of ball pivot 9 links to each other with post 10, guarantee that the test specimen top can produce horizontal shift in the process of the test; Can freely rotate again simultaneously, keep axial compression relatively uniformly;
2), connect proving installation, displacement meter 17 is connected dynamic signal analysis system 15 connection computing machines with dynamic signal analysis system 15 with foil gauge 18; Arrange displacement meter 17 in testing column 10 left sides, displacement meter 17, foil gauge 18 are linked to each other with Dynamic Signal detecting and analysing system 15 through signal wire 20;
3), open Dynamic Signal test and analytic system 15, zeroing is through 14 pairs of controllers 13 of computing machine) execute control, 13 pairs of actuator of controller 6 are carried out displacement and are controlled with power, actuator 6 coupled columns 10 load.Load P (t) when the displacement S (t) of Dynamic Signal test and analytic system 15 record loading procedure center pillars and concrete strain (t) and test specimen destroy.4), can get load-displacement curve according to Δ S (t) and P (t), can obtain load-strain curve according to Δ ε (t) and P (t), test is accomplished.
Claims (2)
1. the two control post press-bending performance self-balancing test devices of displacement and power comprise outside framework (5), charger and proving installation; Arrange charger in the described outside framework (5), charger connects proving installation; It is characterized in that: described outside framework (5) comprises the I shape back timber, and I shape is surveyed beam, I shape bottom girder; Vertical two I shapes survey beams, two I shapes survey back ends layout I shape back timbers arranged on the described I shape bottom girder; Described loading test device comprises actuator (6), displacement transducer (7), load transducer (8), ball pivot (9), planar hinge (21); The inboard vertical fixing actuator (6) of described I shape back timber is arranged displacement transducer (7) and load transducer (8) in the actuator (6), the drive end of actuator (6) is arranged ball pivot (9), I shape bottom girder upper end plane of arrangement hinge (21); Place testing column (10) between ball pivot (9) and the planar hinge (21); Said trial assembly is put and is comprised controller (13), computing machine (14), dynamic signal analysis system (15), displacement meter (17), foil gauge (18); Actuator (6) connects controller (13); Controller (13) connects computing machine (14); Dynamic signal analysis system (15) connects computing machine (14); Several displacement meters (17) are arranged in I shape and survey on the beam; Several displacement meters (17) contact with testing column (10) through steel wire (19), and several foil gauges (18) are arranged on the testing column (10), and several displacement meters (17) are connected dynamic signal analysis system (15) with the signal output part of several foil gauges (18).
2. the two control post press-bending performance self-balancing test devices of displacement according to claim 1 and power, it is characterized in that: described steel wire (19) is processed by indium steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596291U CN202502009U (en) | 2011-12-28 | 2011-12-28 | Displacement and force dual-control self-balance test device for bending performance of column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205596291U CN202502009U (en) | 2011-12-28 | 2011-12-28 | Displacement and force dual-control self-balance test device for bending performance of column |
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| Publication Number | Publication Date |
|---|---|
| CN202502009U true CN202502009U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205596291U Expired - Fee Related CN202502009U (en) | 2011-12-28 | 2011-12-28 | Displacement and force dual-control self-balance test device for bending performance of column |
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| CN (1) | CN202502009U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539225A (en) * | 2011-12-28 | 2012-07-04 | 河海大学 | Self-balancing testing device and testing method for testing bending performance of displacement and force double control column |
| CN103033385A (en) * | 2012-12-24 | 2013-04-10 | 河海大学 | Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test |
| CN103207096A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Vertical load loading device for shear wall |
| CN103900915A (en) * | 2012-12-24 | 2014-07-02 | 上海钢之杰钢结构建筑有限公司 | Self-balanced type light wall anti-shearing test device |
-
2011
- 2011-12-28 CN CN2011205596291U patent/CN202502009U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539225A (en) * | 2011-12-28 | 2012-07-04 | 河海大学 | Self-balancing testing device and testing method for testing bending performance of displacement and force double control column |
| CN103033385A (en) * | 2012-12-24 | 2013-04-10 | 河海大学 | Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test |
| CN103900915A (en) * | 2012-12-24 | 2014-07-02 | 上海钢之杰钢结构建筑有限公司 | Self-balanced type light wall anti-shearing test device |
| CN103033385B (en) * | 2012-12-24 | 2015-02-25 | 河海大学 | Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test |
| CN103207096A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Vertical load loading device for shear wall |
| CN103207096B (en) * | 2013-03-21 | 2015-06-03 | 河海大学 | Vertical load loading device for shear wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20131228 |