CN114778306A - Building railing thrust experiment detection device and detection method thereof - Google Patents
Building railing thrust experiment detection device and detection method thereof Download PDFInfo
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- CN114778306A CN114778306A CN202210348926.4A CN202210348926A CN114778306A CN 114778306 A CN114778306 A CN 114778306A CN 202210348926 A CN202210348926 A CN 202210348926A CN 114778306 A CN114778306 A CN 114778306A
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000012546 transfer Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
Abstract
The invention discloses a building railing thrust experiment detection device and a detection method thereof, wherein the detection device is arranged between a building railing and a counterforce wall and comprises a support, a dowel bar, a hydraulic jack, a dial indicator and a loading force detection device, wherein the dowel bar, the hydraulic jack and the dial indicator are supported by the support, the loading force detection device is used for detecting the loading force of the hydraulic jack, one end of the hydraulic jack is connected with one end of the dowel bar, the other end of the dowel bar is abutted against a cross bar of the building railing, and a pointer of the dial indicator is abutted against the cross bar. The building railing thrust experiment detection device can simply and quickly realize the functions of concentrated load and unit line load loading, and can realize more accurate load graded loading through the loading force detection device, so as to quickly detect whether the building railing meets the standard requirements.
Description
Technical Field
The invention relates to the technical field of building detection, in particular to a building railing thrust experiment detection device and a detection method thereof.
Background
The building railing is a basic component of a building structure, and according to relevant specifications, the building railing needs to meet certain horizontal thrust, which is a basic requirement for ensuring the safety of people life and property in the use process of a building. Specifically, after the construction of the building balustrade is completed, according to the relevant standard requirements, horizontal thrust loading experiment detection is required to verify whether the construction material and the structure meet the requirements of design or standard specifications.
At present, for horizontal thrust loading experiments of building railings, the adopted methods mainly comprise two methods: one method is weight graded loading, namely, the gravity of the weight is converted into a pulling force (horizontal pushing force) for horizontally and outwards the building railing, although the method can realize graded loading, the weight consumption is large, the stacking mode, particularly the stability of a reaction frame, is not well controlled, the assembly and disassembly are labor-consuming and time-consuming, the accurate value of the horizontal pulling force for the building railing cannot be obtained, the limitation is large, and the accuracy is not enough; the other method is that a horizontal jack is adopted to apply horizontal load, a fixing mode of punching or wall-through anchoring is often adopted, the building is damaged, meanwhile, the horizontal thrust required by a building railing is small, the thrust provided by the jack equipment is large, graded loading is not easy to realize, and the true value of the thrust is not accurate. In addition, the experimental loads loaded by the two methods are concentrated loads acting on the railing, and the loading mode is single.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a building railing thrust experiment detection device and a detection method thereof.
In order to solve the technical problem, the invention firstly discloses a building railing thrust experiment detection device which is arranged between a building railing and a reaction wall and comprises a support, a force transfer rod, a hydraulic jack, a dial indicator and a loading force detection device, wherein the force transfer rod, the hydraulic jack and the dial indicator are supported by the support, the loading force detection device is used for detecting the loading force of the hydraulic jack, one end of the hydraulic jack is connected with one end of the force transfer rod, the other end of the force transfer rod abuts against a cross rod of the building railing, and a pointer of the dial indicator abuts against the cross rod.
Further, the support includes branch pipe fixing bolt and the inner branch pipe and the outer branch pipe that cup joint each other, the length direction of inner branch pipe and outer branch pipe is provided with a plurality of bolt holes that can align, install with adjustable branch pipe fixing bolt the extension length of branch pipe in order to adjust in the bolt hole, the top of outer branch pipe is installed and is held the branch pipe end groove of dowel steel.
Furthermore, a claw type support base is installed at the bottom of the outer branch pipe.
Furthermore, the support is laid along the length direction of power transmission rod and is a plurality of, one of them the formula gauge stand is inhaled to the top of the interior branch pipe of support installation magnetism, the percentage table is installed inhale the formula gauge stand on.
Further, the dowel bar includes dowel bar fixing bolt and the interior dowel bar and the outer dowel bar that cup joint each other, the length direction of interior dowel bar and outer dowel bar is provided with a plurality of bolt holes that can align, install with adjustable dowel bar fixing bolt the downthehole extension length in order to adjust interior dowel bar of bolt.
Furthermore, one end of the inner dowel bar is provided with a dowel bar end slot for concentrated load loading or a push rod and an inclined strut for unit line load loading, the push rod is parallel to the cross rod of the building railing and comprises a push rod fixing bolt, an inner push rod and an outer push rod which are mutually sleeved, a plurality of bolt holes which can be aligned are formed in the length directions of the inner push rod and the outer push rod, and the push rod fixing bolt is adjustably installed in the bolt holes to adjust the extension length of the inner push rod.
Furthermore, the loading force detection device is a digital display anchor rod tension meter, and the digital display anchor rod tension meter is connected with the inner cavity of the hydraulic jack through an oil pipe.
Then, the invention discloses a building railing thrust experiment detection method, which comprises the following steps:
s1, installing a support between the building railing and the counterforce wall;
s2, installing a dowel bar and a hydraulic jack on the bracket, and abutting the dowel bar against a cross bar at the top of the building railing;
s3, installing a magnetic-type gauge stand on the bracket, installing a dial indicator on the magnetic-type gauge stand, and enabling a pointer of the dial indicator to abut against the cross rod;
s4, connecting a digital display anchor rod tension meter and a hydraulic jack through an oil pipe, controlling the hydraulic jack to drive a dowel bar to gradually apply test load to a cross bar, observing the deformation of a building railing, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;
and S5, controlling the hydraulic jack to unload gradually, observing the deformation of the building handrail, recording the reading of the dial indicator, and checking and recording the residual deformation of the component.
Further, in the step S2, one end of the dowel is abutted against the cross bar at the top of the building balustrade, so as to realize concentrated load loading and unit line load loading acting on the building balustrade.
Further, in the step S4, 20% equivalent test loads are sequentially applied, and in the step S5, 50% equivalent test loads are sequentially unloaded. Compared with the prior art, the invention has the advantages that:
the building railing thrust experiment detection device can simply and quickly realize the functions of concentrated load and unit line load loading, and can realize more accurate load graded loading through the loading force detection device, so as to quickly detect whether the building railing meets the standard requirements; meanwhile, the device has simple and reasonable structure, convenient operation, convenient assembly and disassembly, no damage to buildings and controllable loading accuracy; furthermore, the horizontal thrust test function of the railings with different heights and different depths can be realized through the telescopic bracket and the telescopic dowel bar.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic structural view (concentrated load loading) of a thrust test detection device for a building railing disclosed by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a force-transmitting rod according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a stent according to an embodiment of the present invention;
fig. 4 is a schematic structural view (load loading on unit line) of the building balustrade thrust experiment detection device disclosed by the embodiment of the invention;
fig. 5 is a schematic structural view of the connection of the dowel bar and the push rod disclosed in the embodiment of the invention.
The parts are labeled as follows:
1. a support; 11. a branch pipe fixing bolt; 12. an inner branch pipe; 13. an outer branch pipe; 14. branch pipe end grooves; 15. a claw-type support base; 16. a base connecting bolt; 2. a dowel bar; 21. a dowel bar fixing bolt; 22. an inner dowel bar; 23. an outer force transfer lever; 24. a dowel bar end slot; 3. a hydraulic jack; 4. a dial indicator; 5. digital display anchor rod tension meter; 6. a magnetic-type gauge stand; 7. a push rod; 71. the push rod fixes the bolt; 72. an inner push rod; 73. an outer push rod; 8. a diagonal brace;
10. a building balustrade; 101. a cross bar; 102. erecting a rod; 20. a counterforce wall.
Detailed Description
In order to facilitate an understanding of the invention, reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings, and the scope of the invention is not limited to the following specific embodiments.
As shown in fig. 1 to 5, the embodiment of the invention first discloses a building balustrade thrust experiment detection device, which is arranged between a building balustrade 10 and a reaction wall 20, wherein the building balustrade 10 comprises a cross bar 101 and an upright bar 102, the detection device comprises a bracket 1, a dowel bar 2 supported by the bracket 1, a hydraulic jack 3, a dial indicator 4 and a loading force detection device for detecting the loading force of the hydraulic jack 3, one end of the hydraulic jack 3 is connected with one end of the dowel bar 2, the other end of the dowel bar 2 abuts against the cross bar 101 of the building balustrade 10, so that the cross bar 101 is loaded, and a pointer of the dial indicator 4 abuts against the cross bar 101 for detecting the deformation of the cross bar 101 during loading. The detection device can be quickly disassembled and assembled without anchoring operation, so that the concentrated load and unit line load loading functions can be simply and quickly realized, more accurate load grading loading can be realized through the loading force detection device, and whether the building railing can meet the standard requirement or not can be quickly detected.
In this embodiment, in order to realize the detection of the building balustrades 10 with different heights, the bracket 1 comprises a supporting tube fixing bolt 11, an inner supporting tube 12 and an outer supporting tube 13 which are sleeved with each other, a claw type bracket base 15 is installed at the bottom of the outer supporting tube 13 so as to be stably supported and positioned on the uneven ground, and the claw type bracket base 15 is connected to the bottom of the outer supporting tube 13 through a base connecting bolt 16. A plurality of bolt holes which can be aligned are formed in the length directions of the inner branch pipe 12 and the outer branch pipe 13, the branch pipe fixing bolts 11 are adjustably installed in the bolt holes to adjust the extending length of the inner branch pipe 12, a branch pipe end groove 14 which can contain the dowel bar 2 is installed at the top of the outer branch pipe 13, and the dowel bar 2 can be prevented from being separated from the support through the branch pipe end groove 14. When the device is used, the branch pipe fixing bolts 11 are all taken out, and the branch pipe fixing bolts 11 are inserted and fixed after the inner branch pipe 12 and the outer branch pipe 13 slide to a preset length.
In this embodiment, support 1 lays for a plurality ofly along dowel steel 2's length direction, and formula table seat 6 is inhaled to magnetism is installed at the top of one of them support 1's interior branch pipe, and formula table seat 6 is inhaled to the percentage table 4 installation on inhaling to can realize percentage table 4's quick fixation and regulation installation.
In this embodiment, equally, in order to realize the detection of the building railing 10 of different depth width, dowel steel 2 includes dowel steel fixing bolt 21 and the interior dowel steel 22 and the outer dowel steel 23 that cup joint each other, the length direction of interior dowel steel 22 and outer dowel steel 23 is provided with a plurality of bolt holes that can align, install in order to adjust the extension length of interior dowel steel 22 in the bolt hole with dowel steel fixing bolt 21 is adjustable, in the use, take out dowel steel fixing bolt 21 whole earlier, after interior dowel steel 22 and outer dowel steel 23 slide to predetermined length, it can to fix dowel steel fixing bolt 21 with inserting.
In this embodiment, in order to realize accurate, rapid measurement and reading data of loading force, the anchor tension meter is a digital display anchor tension meter 5, and the digital display anchor tension meter 5 is connected with the inner cavity of the hydraulic jack 3 through an oil pipe.
In this embodiment, one end of the inner dowel bar 22 is provided with a dowel bar end slot 24 for concentrated load loading or a push rod 7 for unit line load loading, the dowel bar end slot 24 is convenient for clamping the cross bar 101 to prevent the end of the inner dowel bar 22 from slipping during concentrated load loading, both ends of the push rod 7 are connected with the inner dowel bar 22 through an inclined strut 8, so as to form a triangular stable supporting structure, thereby improving the supporting stability of the push rod 7 and facilitating unit line load loading, the push rod 7 is parallel to the cross bar 101 of the building balustrade 10, the push rod 7 comprises a push rod fixing bolt 71 and an inner push rod 72 and an outer push rod 73 which are sleeved with each other, a plurality of bolt holes which can be aligned are arranged in the length direction of the inner push rod 72 and the outer push rod 73, both ends of the inclined strut 8 are connected with the outer push rod 73 and the inner dowel bar 22, the push rod fixing bolt 71 is adjustably installed in the bolt holes to adjust the extension length of the inner push rod 72, by adjusting the extension length of the inner push rod 72, the action area and the action mode of the push rod 7 and the cross rod 101 can be adjusted, and the loading is more flexible. Meanwhile, the rapid switching of detection of various loading modes can be realized through one set of device, and the detection efficiency and precision are improved.
Then, the invention discloses a building railing thrust experiment detection method, which comprises the following steps:
s1, installing the bracket 1 between the building railing 10 and the counterforce wall 20, and adjusting the installation bracket 1 to a preset supporting height;
s2, installing a dowel bar 2 and a hydraulic jack 3 on the support 1, and abutting the dowel bar 2 against the cross bar 101 at the top of the building railing 10; specifically, the dowel bar 2 abuts against the cross bar 101 at the top of the building balustrade 10, so that concentrated load loading and unit line load loading acting on the building balustrade 10 are realized.
S3, mounting a magnetic-type gauge stand 6 on the bracket 1, mounting a dial indicator 4 on the magnetic-type gauge stand 6, and enabling a pointer of the dial indicator 4 to abut against the cross rod 101;
s4, connecting the digital display anchor rod tension meter 5 with the hydraulic jack 3 through an oil pipe, controlling the hydraulic jack 3 to drive the dowel bar 2 to gradually apply test load to the cross bar 101, observing the deformation of the building railing 10, recording the reading of the dial indicator 4, and checking whether the member has signs of fracture, yield and buckling, wherein 20% of equivalent test load is sequentially applied;
and S5, controlling the hydraulic jack 3 to gradually unload, observing the deformation of the building railing 10, recording the reading of the dial indicator 4, checking and recording the residual deformation of the component, and unloading 50% of equivalent test load in sequence, wherein the loading is slower than the unloading process, so that the stress sudden change of the building railing 10 can be prevented, and the effect of protecting the building railing 10 is achieved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides a building railing thrust experiment detection device, sets up between building railing (10) and counterforce wall (20), its characterized in that, including support (1) and through dowel steel (2), hydraulic jack (3), percentage table (4) that support (1) supported and be used for detecting the loading force detection device of the loading force of hydraulic jack (3), the one end of hydraulic jack (3) with the one end of dowel steel (2) is connected, the other end of dowel steel (2) supports and leans on horizontal pole (101) of building railing (10), the pointer of percentage table (4) supports and leans on horizontal pole (101).
2. The building railing thrust test detection device according to claim 1, wherein the support (1) comprises a support pipe fixing bolt (11), an inner support pipe (12) and an outer support pipe (13) which are sleeved with each other, a plurality of bolt holes which can be aligned are formed in the length directions of the inner support pipe (12) and the outer support pipe (13), the support pipe fixing bolt (11) is adjustably installed in the bolt holes to adjust the extending length of the inner support pipe (12), and a support pipe end groove (14) which can accommodate the dowel bar (2) is installed at the top of the outer support pipe (13).
3. The building railing thrust test detection device according to claim 2, characterized in that a claw type bracket base (15) is installed at the bottom of the outer branch pipe (13).
4. The building railing thrust experiment detection device according to claim 2, characterized in that the support (1) is arranged in a plurality of numbers along the length direction of the dowel bar (2), wherein a magnetic-type gauge stand (6) is installed at the top of the inner support tube (12) of one support (1), and the dial indicator (4) is installed on the magnetic-type gauge stand (6).
5. The building handrail thrust experiment detection device according to claim 1, wherein the dowel bar (2) comprises a dowel bar fixing bolt (21), an inner dowel bar (22) and an outer dowel bar (23) which are sleeved with each other, a plurality of bolt holes which can be aligned are formed in the length directions of the inner dowel bar (22) and the outer dowel bar (23), and the dowel bar fixing bolt (21) is adjustably installed in the bolt holes to adjust the extending length of the inner dowel bar (22).
6. The building railing thrust experiment detection device according to claim 5, wherein one end of the inner dowel (22) is provided with a dowel end groove (24) for concentrated load loading or a push rod (7) for unit line load loading, both ends of the push rod (7) are connected with the inner dowel (22) through an inclined strut (8), the push rod (7) is parallel to the cross rod (101) of the building railing (10), the push rod (7) comprises a push rod fixing bolt (71), an inner push rod (72) and an outer push rod (73) which are sleeved with each other, a plurality of bolt holes which can be aligned are formed in the length directions of the inner push rod (72) and the outer push rod (73), and the push rod fixing bolt (71) is adjustably installed in the bolt holes to adjust the extending length of the inner push rod (72).
7. The building railing thrust experiment detection device according to any one of claims 1-6, wherein the anchor rod tension meter is a digital display anchor rod tension meter (5), and the digital display anchor rod tension meter (5) is connected with an inner cavity of the hydraulic jack (3) through an oil pipe.
8. A building railing thrust experiment detection method is characterized by comprising the following steps:
s1, installing a bracket (1) between the building railing (10) and the reaction wall (20);
s2, installing a dowel bar (2) and a hydraulic jack (3) on the support (1), and abutting the dowel bar (2) against a cross bar (101) at the top of the building railing (10);
s3, installing a magnetic type gauge stand (6) on the support (1), installing a dial indicator (4) on the magnetic type gauge stand (6), and enabling a pointer of the dial indicator (4) to abut against the cross rod (101);
s4, connecting a digital display anchor rod tension meter (5) with a hydraulic jack (3) through an oil pipe, controlling the hydraulic jack (3) to drive a dowel bar (2) to gradually apply test load to a cross bar (101), observing the deformation of a building railing (10), recording the reading of a dial indicator (4), and checking whether the member has signs of fracture, yield and buckling;
and S5, controlling the hydraulic jack (3) to unload gradually, observing the deformation of the building handrail (10), recording the reading of the dial indicator (4), and checking and recording the residual deformation of the component.
9. The building railing thrust test detection method according to claim 8, wherein in step S2, one end of the dowel (2) abuts against the cross bar (101) on the top of the building railing (10) to realize concentrated load loading and unit line load loading on the building railing (10).
10. The method for detecting the thrust test of the balustrade of the building as claimed in claim 8, wherein in step S4, 20% equivalent test loads are applied in sequence, and in step S5, 50% equivalent test loads are unloaded in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210348926.4A CN114778306A (en) | 2022-04-01 | 2022-04-01 | Building railing thrust experiment detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210348926.4A CN114778306A (en) | 2022-04-01 | 2022-04-01 | Building railing thrust experiment detection device and detection method thereof |
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| CN114778306A true CN114778306A (en) | 2022-07-22 |
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| CN202210348926.4A Pending CN114778306A (en) | 2022-04-01 | 2022-04-01 | Building railing thrust experiment detection device and detection method thereof |
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| CN110068505A (en) * | 2018-12-30 | 2019-07-30 | 常州华厦建设工程质量检测有限公司 | A kind of anti-horizontal loading on-site detecting device of guardrail and its application method |
| CN210347331U (en) * | 2018-12-30 | 2020-04-17 | 常州华厦建设工程质量检测有限公司 | Guardrail horizontal load resistance on-site detection device |
| CN111811949A (en) * | 2020-07-31 | 2020-10-23 | 福州大学 | Portable railing horizontal thrust detection device and implementation method thereof |
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2022
- 2022-04-01 CN CN202210348926.4A patent/CN114778306A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336402A (en) * | 2002-05-20 | 2003-11-28 | Takenaka Komuten Co Ltd | Bearing load transfer method for existing building |
| CN103134700A (en) * | 2013-01-29 | 2013-06-05 | 泰州市房城建筑质量评估事务有限公司 | On-site test method and device for construction enclosure construction member horizontal thrust performance |
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Address after: 410000 Bachelor's Street, Yuelu District, Changsha City, Hunan Province, 755 Bachelor's Road Applicant after: Zhongda Intelligent Technology Co.,Ltd. Applicant after: Hunan zhongyun Technology Co.,Ltd. Applicant after: Zhongda (Hainan) Intelligent Technology Co.,Ltd. Address before: 410000 Bachelor's Street, Yuelu District, Changsha City, Hunan Province, 755 Bachelor's Road Applicant before: CUHK testing (Hunan) Co.,Ltd. Applicant before: Hunan zhongyun Technology Co.,Ltd. Applicant before: Zhongda (Hainan) Intelligent Technology Co.,Ltd. |
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Application publication date: 20220722 |