CN208721360U - A kind of wall mortar test loading device - Google Patents
A kind of wall mortar test loading device Download PDFInfo
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- CN208721360U CN208721360U CN201821427242.9U CN201821427242U CN208721360U CN 208721360 U CN208721360 U CN 208721360U CN 201821427242 U CN201821427242 U CN 201821427242U CN 208721360 U CN208721360 U CN 208721360U
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- wall
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- loader
- crossbeam
- distribution beam
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Abstract
The utility model provides a kind of wall mortar test loading device, including testing wall, vertical loading device and lateral loading device, the top surface for testing wall is equipped with crossbeam, crossbeam is connected firmly with test wall, vertical loading device includes reaction frame, first loader, first distribution beam and the second distribution beam, reaction frame is fixed, first loader includes first base and the first top, first base is fixed at the second distribution top surface of the beam, first withstands on reaction frame and vertically acts, lateral loading device includes counter force wall, second loader and connector, counter force wall is fixed, second loader includes second base and the second top, second base is fixed on counter force wall, second top is connected firmly by connector in one end of the beam and transversely sweeping action, crossbeam connects displacement meter.The utility model provides a kind of wall mortar test loading device, to carry out to wall mortar Seismic Shear mechanism, establish the research of lateral-resisting bearing capacity calculation formula.
Description
Technical field
The utility model relates to a kind of loading device more particularly to a kind of wall mortar test loading devices.
Background technique
In the existing building in China, ratio shared by masonry structure building is higher, finds from previous seismic survey,
The earthquake of masonry structure building is extremely serious.Reinforcing steel net shell surface layer method for strengthening to improve wall Seismic Bearing Capacity, prolong
Property have obvious effects on, and construction technology is more convenient, is that current Hollow Block Masonry Structure Anti-seismic reinforces commonly used one of method.
Research steel mesh mortar surface layer reinforces brick wall Seismic Shear mechanism, establishes lateral-resisting bearing capacity calculation formula, to engineering reinforcement
With important directive significance.Accordingly, it is desirable to provide a kind of wall mortar test is with loading device to carry out to steel mesh mortar
The research that surface layer reinforces brick wall Seismic Shear mechanism, establishes lateral-resisting bearing capacity calculation formula.
Utility model content
The purpose of this utility model is to provide a kind of wall mortar test with loading device to carry out to steel mesh mortar
The research that surface layer reinforces brick wall Seismic Shear mechanism, establishes lateral-resisting bearing capacity calculation formula.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of wall mortar test loading device, including test wall, vertical loading device and lateral loading device, institute
The top surface for stating test wall is equipped with crossbeam, if the crossbeam passes through the steel plate that crossbeam both ends are arranged in and connects both ends steel plate
Dry reinforcing bar is fixedly connected with test wall, and the vertical loading device includes reaction frame, the first loader, the first distribution beam and the
Two distribution beams, the reaction frame fixed setting, the crossbeam, the first distribution beam and the second distribution beam are set gradually from the bottom to top,
The length of second distribution beam, the first distribution beam and crossbeam is gradually increased, and first loader includes first base and
One top, the first base are fixed at the top surface of second distribution beam, and described first withstands on the reaction frame
Upper and described first top vertically acts, and the transverse direction loading device includes counter force wall, the second loader and connector, described
Counter force wall fixed setting, second loader include second base and the second top, and the second base is fixed at institute
It states on counter force wall, second top is connected firmly on the steel plate of the one end of the beam by the connector and second top
Transversely sweeping action, the crossbeam are connected with displacement meter.
Further, first loader is hydraulic jack, and first loader is connected with hydraulic pressure regulator.
Further, second loader is actuator.
Further, the reaction frame is equipped with guide pad, and the guide pad is equipped with guide groove, first top peace
In the guide groove.
Further, the guide pad is tetrafluoro guide pad.
After adopting the above technical scheme, the utility model has the advantages that
(1) when actual seismic acts on, house bears the effect of the vertical load including self weight, therefore during test
Will according to physical condition apply vertical load, the utility model by the first loader apply load, and by length according to
Load is changed into Uniform Load on test wall by secondary increased second distribution beam, the first distribution beam and crossbeam,
With this come vertical applied force state when actual seismic of coincideing.Vertical loading device is first passed through when test to apply vertically test wall
Then load sets horizontal displacement loaded cycle to predetermined value, to simulate the stress of test wall when actual seismic.
(2) to guarantee the stability of vertical load during loading, wall is tested during loading, lateral position occurs
When shifting, undulation can occur for load, and the utility model is reduced vertically using the hydraulic pressure regulator connecting with hydraulic jack
The changing value of load.
(3) the second loader uses actuator in the utility model, to realize high-precision oscillation crosswise active control.
(4) guide pad is set between reaction frame and the first top, can guarantees in loading procedure, the first top and test
The vertical centerline of wall is overlapped, while guaranteeing the horizontal loads of the second loader application on test wall.
(5) coefficient of friction of tetrafluoro guide pad is small, will not hinder the vertically movable of the first top, and tetrafluoro guide pad is anti-ageing
It is good to change performance.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is a kind of structural schematic diagram of wall mortar test loading device of the utility model.
Marked the names of the parts are as follows in figure:
1- static pedestal；2- wall pedestal；3- displacement meter；4- tests wall；5- crossbeam；6- steel plate；7- reinforcing bar；8- first
Distribution beam；The second distribution beam of 9-；10- first base；11- guide pad；12- reaction frame；13- connector；The second loader of 14-；
15- counter force wall.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of wall mortar test loading device, including it is test wall 4, vertical
Loading device and lateral loading device.The bottom for testing wall 4 is equipped with wall pedestal 2, and wall pedestal 2 is fixed by foundation bolt
In static pedestal 1.
The top surface for testing wall 4 is equipped with crossbeam 5, and crossbeam 5 passes through the steel plate 6 that 5 both ends of crossbeam are arranged in and connection both ends
Several reinforcing bars 7 of steel plate 6 are fixedly connected with test wall 4.
Vertical loading device includes reaction frame 12, the first loader 10, the first distribution beam 8 and the second distribution beam 9, reaction frame
12 fixed settings, crossbeam 5, the first distribution beam 8 and the second distribution beam 9 are set gradually from the bottom to top, the second 9, first points of distribution beam
It includes first base and the first top that length with beam 8 and crossbeam 5, which is gradually increased the first loader of 10, and first base 10 is fixed
The top surface of second distribution beam 9 is set, and the first top 10 is withstood on reaction frame 12 and the first top 10 vertically acts.
Lateral loading device includes counter force wall 15, the second loader 14 and connector 13, and counter force wall 15 is fixedly installed, and second
Loader 14 includes second base and the second top, and second base is fixed on counter force wall 15, and the second top passes through connection
Part 13 connects firmly on the steel plate 6 of 5 one end of crossbeam and transversely sweeping action, crossbeam 5 are connected with displacement meter 3 for the second top.
When actual seismic acts on, house bears the effect of the vertical load including self weight, therefore wants during testing
Apply vertical load according to physical condition, the utility model applies load by the first loader, and successively by length
Load is changed into Uniform Load on test wall by increased second distribution beam, the first distribution beam and crossbeam, with
This is come vertical applied force state when actual seismic of coincideing.Vertical loading device is first passed through when test, and vertical carry is applied to test wall
Then lotus sets horizontal displacement loaded cycle to predetermined value, to simulate the stress of test wall when actual seismic.
In the present embodiment, the first loader 10 is hydraulic jack, and the first loader 10 is connected with hydraulic pressure regulator.To protect
The stability of vertical load during loading is demonstrate,proved, when testing wall generation lateral displacement during loading, load can occur
Undulation reduces the changing value of vertical load using the hydraulic pressure regulator connecting with hydraulic jack.
In the present embodiment, the second loader 14 is actuator, to realize high-precision oscillation crosswise active control.
In the present embodiment, reaction frame 12 is equipped with guide pad 11, and guide pad 11 is equipped with guide groove, and the first top is mounted on
In guide groove.It can guarantee in loading procedure, the first top is overlapped with the vertical centerline of test wall, while guaranteeing that second adds
The horizontal loads of device application are carried on test wall.
In the present embodiment, guide pad 11 is tetrafluoro guide pad.The coefficient of friction of tetrafluoro guide pad is small, will not hinder the first top
Head it is vertically movable, and tetrafluoro guide pad anti-aging property is good.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (5)
1. a kind of wall mortar test loading device, including test wall, vertical loading device and lateral loading device, special
Sign is that the top surface of the test wall is equipped with crossbeam, and the crossbeam passes through the steel plate that crossbeam both ends are arranged in and connection two
Several reinforcing bars of steel plate are held to be fixedly connected with test wall, the vertical loading device includes reaction frame, the first loader, first
Distribution beam and the second distribution beam, the reaction frame fixed setting, the crossbeam, the first distribution beam and the second distribution beam are from the bottom to top
It sets gradually, the length of second distribution beam, the first distribution beam and crossbeam is gradually increased, and first loader includes first
Pedestal and the first top, the first base are fixed at the top surface of second distribution beam, and described first withstands on institute
It states on reaction frame and first top vertically acts, the transverse direction loading device includes counter force wall, the second loader and company
Fitting, the counter force wall fixed setting, second loader includes second base and the second top, and the second base is fixed
It is arranged on the counter force wall, second top is connected firmly on the steel plate of the one end of the beam and described by the connector
Transversely sweeping action, the crossbeam are connected with displacement meter for second top.
2. a kind of wall mortar test loading device according to claim 1, which is characterized in that first loader
For hydraulic jack, first loader is connected with hydraulic pressure regulator.
3. a kind of wall mortar test loading device according to claim 1, which is characterized in that second loader
For actuator.
4. a kind of wall mortar test loading device according to claim 1, which is characterized in that set on the reaction frame
There is guide pad, the guide pad is equipped with guide groove, and first top is mounted in the guide groove.
5. a kind of wall mortar test loading device according to claim 4, which is characterized in that the guide pad is four
Fluorine guide pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821427242.9U CN208721360U (en) | 2018-08-31 | 2018-08-31 | A kind of wall mortar test loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821427242.9U CN208721360U (en) | 2018-08-31 | 2018-08-31 | A kind of wall mortar test loading device |
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| Publication Number | Publication Date |
|---|---|
| CN208721360U true CN208721360U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821427242.9U Active CN208721360U (en) | 2018-08-31 | 2018-08-31 | A kind of wall mortar test loading device |
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| CN (1) | CN208721360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918071A (en) * | 2018-08-31 | 2018-11-30 | 嘉兴市博宏新型建材有限公司 | A kind of wall mortar test loading device |
| CN111257137A (en) * | 2020-02-19 | 2020-06-09 | 河北省建筑科学研究院有限公司 | Integral horizontal shear test method for masonry wall |
-
2018
- 2018-08-31 CN CN201821427242.9U patent/CN208721360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918071A (en) * | 2018-08-31 | 2018-11-30 | 嘉兴市博宏新型建材有限公司 | A kind of wall mortar test loading device |
| CN111257137A (en) * | 2020-02-19 | 2020-06-09 | 河北省建筑科学研究院有限公司 | Integral horizontal shear test method for masonry wall |
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