CN108918071A - A kind of wall mortar test loading device - Google Patents
A kind of wall mortar test loading device Download PDFInfo
- Publication number
- CN108918071A CN108918071A CN201811011315.0A CN201811011315A CN108918071A CN 108918071 A CN108918071 A CN 108918071A CN 201811011315 A CN201811011315 A CN 201811011315A CN 108918071 A CN108918071 A CN 108918071A
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- China
- Prior art keywords
- wall
- loading device
- loader
- crossbeam
- distribution beam
- Prior art date
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- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000010408 sweeping Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention 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 present invention 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 present invention 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.
Summary of the invention
The purpose of the present invention is to provide a kind of wall mortar test with loading device to carry out to steel mesh mortar surface layer
The research reinforced brick wall Seismic Shear mechanism, establish lateral-resisting bearing capacity calculation formula.
In order to achieve the above object, the present invention adopts the following technical scheme that：
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 invention has the advantages that：
(1) when actual seismic acts on, house bears the effect of the vertical load including self weight, therefore during test
To apply vertical load according to physical condition, the present invention applies load by the first loader, and successively increases by length
Load is changed into Uniform Load on test wall by the second distribution beam, the first distribution beam and the crossbeam added, with this
Come vertical applied force state when actual seismic of coincideing.Vertical loading device is first passed through when test, and vertical load is applied to test wall
To predetermined value, horizontal displacement loaded cycle is then set, 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 present invention reduces vertical load using the hydraulic pressure regulator connecting with hydraulic jack
Changing value.
(3) the second loader uses actuator in the present invention, 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 present invention will be further explained below with reference to the attached drawings：
Fig. 1 is a kind of structural schematic diagram of wall mortar test loading device of the present invention.
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 present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of wall mortar test loading device, including test wall 4, vertical load
Device and lateral loading device.The bottom for testing wall 4 is equipped with wall pedestal 2, and wall pedestal 2 is fixed on quiet by foundation bolt
On power 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 present invention applies load by the first loader, and successively increases by length
The second distribution beam, the first distribution beam and crossbeam by load be changed into Uniform Load test wall on, with this come
Vertical applied force state when identical actual seismic.First passed through when test vertical loading device to test wall apply vertical load to
Then predetermined value sets horizontal displacement loaded cycle, 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, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
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 |
|---|---|---|---|
| CN201811011315.0A CN108918071A (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 |
|---|---|---|---|
| CN201811011315.0A CN108918071A (en) | 2018-08-31 | 2018-08-31 | A kind of wall mortar test loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108918071A true CN108918071A (en) | 2018-11-30 |
Family
ID=64407327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011315.0A Pending CN108918071A (en) | 2018-08-31 | 2018-08-31 | A kind of wall mortar test loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108918071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022183577A1 (en) * | 2021-03-03 | 2022-09-09 | 南京工大建设工程技术有限公司 | Experimental system for out-of-plane seismic performance of masonry block wall, and experimental method using same |
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|---|---|---|---|---|
| CN202099734U (en) * | 2011-06-08 | 2012-01-04 | 新津腾中筑路机械有限公司 | Shear-resistant and torsion-resistant stiffness-variable pot rubber bearing |
| CN105259020A (en) * | 2015-11-20 | 2016-01-20 | 天津大学 | Seismic performance test loading device for shear wall under combined action of pulling, bending and shearing |
| CN206038456U (en) * | 2016-09-28 | 2017-03-22 | 中国矿业大学 | Quiet power experimental apparatus is planned to wall body that adds carrier band window |
| CN108019528A (en) * | 2016-11-03 | 2018-05-11 | 大禹阀门制造（天津）有限公司 | A kind of guiding mechanism of novel valve valve rod |
| CN208721360U (en) * | 2018-08-31 | 2019-04-09 | 嘉兴市博宏新型建材有限公司 | A kind of wall mortar test loading device |
-
2018
- 2018-08-31 CN CN201811011315.0A patent/CN108918071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099734U (en) * | 2011-06-08 | 2012-01-04 | 新津腾中筑路机械有限公司 | Shear-resistant and torsion-resistant stiffness-variable pot rubber bearing |
| CN105259020A (en) * | 2015-11-20 | 2016-01-20 | 天津大学 | Seismic performance test loading device for shear wall under combined action of pulling, bending and shearing |
| CN206038456U (en) * | 2016-09-28 | 2017-03-22 | 中国矿业大学 | Quiet power experimental apparatus is planned to wall body that adds carrier band window |
| CN108019528A (en) * | 2016-11-03 | 2018-05-11 | 大禹阀门制造（天津）有限公司 | A kind of guiding mechanism of novel valve valve rod |
| CN208721360U (en) * | 2018-08-31 | 2019-04-09 | 嘉兴市博宏新型建材有限公司 | A kind of wall mortar test loading device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022183577A1 (en) * | 2021-03-03 | 2022-09-09 | 南京工大建设工程技术有限公司 | Experimental system for out-of-plane seismic performance of masonry block wall, and experimental method using same |
| US11808904B2 (en) | 2021-03-03 | 2023-11-07 | Nanjing Gongda Construction Technology Co., Ltd. | Experimental system for out-of-plane seismic performance of masonry block wall, and experimental method using same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |