CN204346818U - Adjustable pseudo-static test charger - Google Patents

Adjustable pseudo-static test charger Download PDF

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Publication number
CN204346818U
CN204346818U CN201520014628.7U CN201520014628U CN204346818U CN 204346818 U CN204346818 U CN 204346818U CN 201520014628 U CN201520014628 U CN 201520014628U CN 204346818 U CN204346818 U CN 204346818U
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China
Prior art keywords
plate
side plate
horizontal
vertical
screw rod
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Expired - Fee Related
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CN201520014628.7U
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Chinese (zh)
Inventor
汪澜涯
彭斌
李佳蔓
茹伟
王冬冬
张玉梅
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201520014628.7U priority Critical patent/CN204346818U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a kind of mechanical hook-up for body of wall pseudo-static test in civil engineering work, comprise: combined girder steel, combined girder steel comprises the vertical steel plate and horizontal steel plate that are fixedly connected with, vertical steel plate comprises vertical side plate and vertical inner panel, and horizontal steel plate comprises horizontal top, horizontal inner panel and horizonal base plate; Bolster plate of bottom plate, bolster plate of bottom plate is fixed on the below of horizonal base plate; Actuator web member, actuator web member is connected to combined girder steel end; Horizontal reacting force side plate, horizontal reacting force side plate is fixedly connected with vertical side plate and horizonal base plate; Data acquisition bar, data acquisition bar is fixed on vertical side plate.The utility model charger eliminates the loaded down with trivial details manufacturing process of back timber and tediously long curing time, thus has using manpower and material resources sparingly, shortens the test period, improves the advantages such as test efficiency.

Description

Adjustable pseudo-static test charger
Technical field
The utility model relates to a kind of mechanical hook-up for body of wall pseudo-static test in civil engineering work, be used for analyzing the anti-seismic performance of all kinds of body of wall in civil engineering work (as load-bearing capacity, ductility, Stiffness Deterioration etc.), can be body of wall test specimen and apply reliable level, vertical load and critical data measuring point is provided.
Background technology
In body of wall antiseismic performance analysis, the most direct effective method is the pseudo-static test carrying out test specimen.Test obtains hysteresis loop thus obtains the characteristic parameters such as the bearing capacity of body of wall, the displacement of wall top and skeleton curve, and this is significant for the energy consumption ability evaluating body of wall.But when testing, the charger of test specimen normally builds reinforced beam in wall top casting, in back timber end, pre-buried loading reinforcing bar or two ends adopt steel plate clamping.Casting concrete beam pole labor intensive financial resources, cause unnecessary waste, and not easily recycle; Beams of concrete needs certain curing cycle simultaneously, inevitably by cycle time expand, affects test efficiency.
Specifically because:
(1) if when adopting pouring reinforcement concrete beam, then need to buy the starting material such as reinforcing bar, sandstone and cement, the sanction relating to reinforcing bar is cut, the making of template and concrete mixing build, these pole waste of manpower financial resources;
(2) when testing the body of wall of variety classes and different size, need the reinforced beam preparing different size, this will cause waste rather, can not recycle.Even if during the body of wall of simultaneously test with roughly the same size, due to concrete material in reinforced beam easily crisp, easily split, the geomery of Gu Liang can not ensure, will certainly affect the normal use of test;
(3) after reinforced beam is built, need maintenance a period of time (being generally 28 days), treat that its intensity reaches a timing and can carry out follow-up loading.This will extend whole test period, delay test process, affect test efficiency.
Utility model content
The purpose of this utility model is to provide a kind of adjustable pseudo-static test charger eliminating the loaded down with trivial details manufacturing process of back timber and tediously long curing time, thus uses manpower and material resources sparingly, and shortens the test period, improves test efficiency.
For solving the problems of the technologies described above, as an aspect of the present utility model, provide a kind of adjustable pseudo-static test charger, comprise: combined girder steel, described combined girder steel comprises the vertical steel plate and horizontal steel plate that are fixedly connected with, described vertical steel plate comprises vertical side plate and vertical inner panel, and described horizontal steel plate comprises horizontal top, horizontal inner panel and horizonal base plate; Bolster plate of bottom plate, described bolster plate of bottom plate is fixed on the below of described horizonal base plate; Actuator web member, described actuator web member is connected to described combined girder steel end; Horizontal reacting force side plate, described horizontal reacting force side plate is fixedly connected with described vertical side plate and described horizonal base plate; Data acquisition bar, described data acquisition bar is fixed on described vertical side plate.
Further, described adjustable pseudo-static test charger also comprises: width screw rod, and described width screw rod is perpendicular to described vertical side plate; Width adjustment plates, described width adjustment plates is connected with described vertical side plate by described width screw rod.
Further, described adjustable pseudo-static test charger also comprises: length screw rod, and described length screw rod is perpendicular to described horizontal reacting force side plate; Length adjustment plate, described length adjustment plate is connected with described horizontal reacting force side plate by described length screw rod.
Further, described data acquisition bar is perpendicular to described vertical side plate, and short transverse flushes with described bolster plate of bottom plate.
Preferably, described length adjustment plate and described length screw rod are fixed by nut.
Owing to have employed technique scheme, so this charger has following beneficial effect:
(1) adopt one-shot forming combined girder steel, save starting material, reduce human input, economic benefits.
(2) combined girder steel shaping after can drop into test use, avoid the curing time of reinforced beam, this is conducive to warranty test progress, shorten the test period, improve test efficiency.
(3) combined girder steel is more excellent compared with its character of concrete material, survivable and shape not malleable, can reuse.About the design of width of wall body, length adjustment plate, have the effect of two aspects: on the one hand, energy build-in body of wall top surrounding, avoids top body of wall horizontal straight joint and destroys, thus fully demonstrate body of wall self anti-seismic performance; It is not only use under fixing wall size on the other hand, and under can also being used in sizes, the scope of application is wider.
(4) design of actuator web member, avoids the bond-slip of embedded bar in reinforced beam, provides Reliable guarantee by this web member for actuator applies horizontal force.
(5) use of rubber mat plate, is dispersed to wall top by upper load, avoid the local failure on wall top, is more truly subject to the state of evenly load close to body of wall.
(6) be research crack progressing, body of wall need be coated lime water usually.When body of wall tip position arranges measuring point, generally involve the tedious work of location measuring point, polishing lkd layer, painting alite paste and making wooden unit, and during multiple bearing measuring point, there are differences position unavoidably.Arrange according to symmetry principle, fix a displacement measuring points, the error produced when avoiding multiple bearing in the vertical position, side plate wall top of combined girder steel two, simultaneously symmetrical its measurement data of two measuring points conveniently contrasts check.
Accompanying drawing explanation
Fig. 1 diagrammatically illustrates the perspective view of the utility model charger.
Fig. 2 is the front view of the utility model charger.
Fig. 3 is the hole for hoist place diagrammatic cross-section of Fig. 2.
Fig. 4 is the vertical view of the utility model charger.
Fig. 5 is first close-up schematic view of Fig. 4.
Fig. 6 is second close-up schematic view of Fig. 4.
Fig. 7 is the upward view of the utility model charger.
Fig. 8 is first close-up schematic view of Fig. 7.
Fig. 9 is second close-up schematic view of Fig. 7.
Figure 10 is the left view of the utility model charger.
Figure 11 is first close-up schematic view of Figure 10.
Figure 12 is second close-up schematic view of Figure 10.
Figure 13 is the right view of the utility model charger.
Figure 14 is first close-up schematic view of Figure 13.
Figure 15 is second close-up schematic view of Figure 13.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in figures 1-15, the length of combination beam is greater than its height and width, if only adopt same ratio mapping, then it is faced upward in vertical view and left and right view, and lines are overstocked, and inconvenience is understood.For expressing clearly, on former proportional basis, an additional magnification ratio, has augmented the partial enlarged drawing of partial view.The utility model charger main part is combined girder steel, comprise vertical steel plate and horizontal steel plate, wherein vertical steel plate comprises two vertical side plates 1, vertical inner panel 2, horizontal steel plate comprises horizontal top 3, horizontal inner panel 4 and horizonal base plate 5, vertical steel plate and horizontal steel plate are mutually vertical, for being fixedly connected with between each several part.Open hole for hoist 14 in the direction of the vertical steel plate of vertical steel plate upper vertical, open four bolts hole, to install width screw rod 8 in the direction of the vertical side plate 1 of vertical side plate 1 lower vertical; Be bolster plate of bottom plate 15 on the downside of horizonal base plate 5, both adopt bonding agent to be connected; Two data acquisition bars 7 are fixed at two vertical side plate 1 two ends, and height flushes with horizontal backing plate 15, and direction is perpendicular to vertical side plate 1; In one end of combined girder steel, horizontal inner panel 4 and vertical inner panel 2 intersecting lens fix actuator web member 6.In the end of combined girder steel, be fixedly connected with horizontal reacting force side plate 10, being fixedly connected with the chute 12 horizontal reacting force side plate 10 being opened two horizontal directions, for installation length screw rod 11.Be length clamping plate 13 at the other end of length screw rod 11, length backing plate 17 is bonded on length clamping plate 13; Be width clamping plate 9 at the other end of width screw rod 8, width backing plate 16 is bonded on width clamping plate 9.Its concrete operation step is as follows:
Step 1: before pseudo-static test, according to the thickness of body of wall test specimen, selects suitable length clamping plate 13, so that device is assembled;
Step 2: penetrate length screw rod 11 and width screw rod 8, load onto nut, and be connected with width clamping plate 9 with length clamping plate 13;
Step 3: penetrate hoisting appliance (as wire rope) on hole for hoist 14, lifts the device assembled to body of wall test specimen top, and is shelved on wall top;
Step 4: adjustment width screw rod 8 makes width clamping plate 9 and length clamping plate 13 to correct position with the length of length screw rod 11, makes clamping plate firm grip body of wall top;
Step 5: one end of displacement meter (as guy type displacement meter) is fixed on data acquisition bar 7, and keep displacement meter and data acquisition bar 7 same level;
Step 6: regulate actuator (as hydraulic servo actuator), allows actuator web member 6 through the bolt hole of actuator, tightening nuts.
After completing above-mentioned steps, just pseudo-static test can be carried out.To be tested complete after, remove out actuator, unclamp each nut, unload lower device.
To sum up, the utility model charger has following characteristics:
(1) waste the costly effort feature such as starting material and loaded down with trivial details making for during pouring reinforcement concrete beam, now adopt combined girder steel to replace, realize the effect of reinforced beam, steel cutting is simultaneously convenient, connects reliable, and fabrication and installation are convenient can one-shot forming.
(2) build for reinforced beam and need this time-consuming feature of maintenance a period of time, after adopting combined girder steel to replace, the girder steel after making does not need maintenance, can carry out load test at any time, which save curing time, warranty test process, improves test efficiency.
(3) for concrete material easily crisp, the character easily split, its geomery unwarrantable problem when recycling, after adopting combined girder steel, material character greatly takes on a new look, and can reuse.
(4) for when testing the body of wall of variety classes size, the feature that reinforced beam not easily recycles.By the component of design about width of wall body, length adjustment, physical size can be regulated according to demand, to meet the demand of the size of variety classes body of wall, increase its scope of application.
(5) for the embedded bar loaded easily with the shortcoming of concrete generation bond-slip, by being fixedly connected with of actuator web member and combined girder steel end, making both become a firmly entirety, thus facilitate actuator to apply horizontal force, is the guarantee carrying out providing necessity smoothly of test.
(6) for reinforced beam as back timber time, easily produce back timber and destroy with the mortar horizontal straight joint on body of wall surface of contact, the anti-seismic performance of now difficulty acquisition body of wall self.For this reason, in combined girder steel, design the adjustable plate along body of wall length, width two direction, by body of wall top surrounding build-in, avoid horizontal straight joint and destroy, prevent body of wall out-of-plane side from moving simultaneously, make test findings fully demonstrate body of wall self anti-seismic performance.
(7) for simulation body of wall is by this feature of uniform vertical load, bond a rubber mat plate on the downside of combined girder steel horizonal base plate, the load handed down by combined girder steel is dispersed to wall top, avoids wall to eject existing stress raisers and the local failure produced, thus more close to body of wall real bearing state.
(8) be research crack progressing, body of wall need be coated lime water usually.When body of wall tip position arranges measuring point, generally involve the tedious work of location measuring point, polishing lkd layer, painting alite paste and making wooden unit, and time multiple bearing measuring point (the different location of wall sheet and the location of different tests person), there are differences position unavoidably.For this reason, at combined girder steel two, vertical position, side plate wall top is each fixes a measuring point, for measurement wall top displacement.Two measuring points are arranged according to symmetry principle, so that the contrast of data is checked.
(9) in addition, on the vertical steel plate of combined girder steel, reserved two place's holes for hoist, facilitate the colligation of lifting rope, thus the lifting being conducive to testing front combined girder steel is installed, and dismantle arrangement after test.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. an adjustable pseudo-static test charger, it is characterized in that comprising: combined girder steel, described combined girder steel comprises the vertical steel plate and horizontal steel plate that are fixedly connected with, described vertical steel plate comprises vertical side plate and vertical inner panel, and described horizontal steel plate comprises horizontal top, horizontal inner panel and horizonal base plate; Bolster plate of bottom plate, described bolster plate of bottom plate is fixed on the below of described horizonal base plate;
Actuator web member, described actuator web member is connected to described combined girder steel end; Horizontal reacting force side plate, described horizontal reacting force side plate is fixedly connected with described vertical side plate and described horizonal base plate; Data acquisition bar, described data acquisition bar is fixed on described vertical side plate.
2. adjustable pseudo-static test charger according to claim 1, is characterized in that, described adjustable pseudo-static test charger also comprises: width screw rod, and described width screw rod is perpendicular to described vertical side plate; Width adjustment plates, described width adjustment plates is connected with described vertical side plate by described width screw rod.
3. adjustable pseudo-static test charger according to claim 1 and 2, is characterized in that, described adjustable pseudo-static test charger also comprises: length screw rod, and described length screw rod is perpendicular to described horizontal reacting force side plate; Length adjustment plate, described length adjustment plate is connected with described horizontal reacting force side plate by described length screw rod.
4. adjustable pseudo-static test charger according to claim 1 and 2, is characterized in that, described data acquisition bar is perpendicular to described vertical side plate, and short transverse flushes with described bolster plate of bottom plate.
5. adjustable pseudo-static test charger according to claim 3, is characterized in that, described length adjustment plate and described length screw rod are fixed by nut.
CN201520014628.7U 2015-01-09 2015-01-09 Adjustable pseudo-static test charger Expired - Fee Related CN204346818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520014628.7U CN204346818U (en) 2015-01-09 2015-01-09 Adjustable pseudo-static test charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111707430A (en) * 2020-06-29 2020-09-25 中国建筑第八工程局有限公司 Embedded part mounting structure and method for horizontal actuator of vibration table

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111707430A (en) * 2020-06-29 2020-09-25 中国建筑第八工程局有限公司 Embedded part mounting structure and method for horizontal actuator of vibration table

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20160109