CN213148621U - A explosion test device for concrete slab - Google Patents
A explosion test device for concrete slab Download PDFInfo
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- CN213148621U CN213148621U CN202022270075.5U CN202022270075U CN213148621U CN 213148621 U CN213148621 U CN 213148621U CN 202022270075 U CN202022270075 U CN 202022270075U CN 213148621 U CN213148621 U CN 213148621U
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Abstract
The utility model discloses an explosion test device for concrete slab, including main part net support and concrete test board, the top of main part net support is horizontal installation department, the bottom of main part net support is horizontal net portion, be connected with vertical supporting part between horizontal installation department and the horizontal net portion, concrete test board detachable horizontal installation is on horizontal installation department, detachable is equipped with the horizontal pressing plate rather than the looks adaptation around the top of concrete test board, horizontal and vertical both sides equal symmetry of horizontal installation department is equipped with the hoist and mount component, detachable is equipped with a plurality of displacement sensor on the vertical supporting part. The utility model provides an explosion test device for concrete slab need not concreting, saving test time when not only being used for explosion test, but also reuse, high-usage.
Description
Technical Field
The utility model relates to an explosion test device, specifically say so, relate to an explosion test device for concrete slab, belong to explosion test technical field.
Background
Explosive terrorist attacks have become a common practice for terrorists to carry out these days, 20/8 in 2016, and 20/late in southeast Turkey, with an explosive attack event occurring 20 nights, resulting in at least 22 deaths and 94 injuries. In addition, improper placement of chemicals can also cause explosion, explosion happens in a Harbour of Ribayonet capital Belut in 2020, all buildings in a square circle of 20 kilometers are instantaneously leveled into flat ground due to the power of ammonium nitrate, and 137 people die, 5000 people are injured, and 20 thousands of people can not return due to the explosion. In an explosion event, a large part of casualties are caused by the collapse of a building, so if the building has excellent anti-collapse capability, the casualties can be effectively reduced.
The concrete slab is widely applied to buildings such as bridges and houses and various national defense projects due to good structural performance and applicability of raw materials, so that the research on the anti-explosion performance of the concrete slab is of great significance for the research on the anti-collapse capability of the buildings.
At present, the antiknock performance of a concrete slab is mainly researched through an explosion test, and the traditional explosion test needs to pour concrete firstly and then place a concrete test board, so that the cost is high, and the equipment availability is low.
SUMMERY OF THE UTILITY MODEL
To solve the above problems in the prior art, the present invention provides an explosion test device for concrete slabs, which is low in manufacturing and using cost and can be repeatedly used.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an explosion test device for concrete slab, includes main part net support and concrete test board, the top of main part net support is horizontal installation department, the bottom of main part net support is horizontal netted portion, be connected with vertical supporting part between horizontal installation department and the horizontal netted portion, concrete test board detachable horizontal installation is on horizontal installation department, the top of concrete test board detachable is equipped with the horizontal pressing plate rather than the looks adaptation all around, horizontal and vertical both sides equal symmetry of horizontal installation department is equipped with the hoist and mount component, detachable is equipped with a plurality of displacement sensor on the vertical supporting part.
The top of the horizontal installation part is provided with a test board installation groove matched with a concrete test board, and the concrete test board is detachably and horizontally arranged in the test board installation groove.
The utility model provides an implementation scheme, detachable is equipped with the round bar between horizontal press plate's both ends and the concrete test board, detachable is equipped with the lower round bar corresponding with last round bar between concrete test board and the horizontal installation department, the concrete test board level is located between round bar and the lower round bar.
According to the embodiment, the horizontal net-shaped part is formed by a plurality of longitudinal supporting pieces and transverse supporting pieces in a criss-cross mode, the top of the vertical supporting part is connected with the horizontal installation part, and the bottom of the vertical supporting part is connected with the longitudinal supporting pieces and the transverse supporting pieces respectively.
Compared with the prior art, the utility model has the advantages of:
the utility model provides an explosion test device for concrete slab not only need not concreting when being used for explosion test, can dismantle hoist and mount, uses easy operation and saving test time, but also reuse, and the high-usage to whole device still has advantages such as simple structure, manufacturing and use low cost, has obvious practical value.
Drawings
Fig. 1 is a front view of an explosion testing apparatus for a concrete slab according to an embodiment of the present invention;
fig. 2 is a front view of an explosion testing apparatus for a concrete slab provided in accordance with an embodiment of the present invention;
fig. 3 is a side view of an explosion testing apparatus for a concrete slab according to an embodiment of the present invention;
fig. 4 is a top view of an explosion testing apparatus for a concrete slab according to an embodiment of the present invention;
FIG. 5 is a schematic view of a main body mesh support in an embodiment of the invention;
the numbers in the figures are as follows: 1. a main body mesh support; 11. a horizontal mounting section; 111. a test plate mounting groove; 12. a horizontal mesh portion; 121. a longitudinal support; 122. a transverse support; 13. a vertical support; 131. a vertical support; 2. a concrete test panel; 3. a horizontal pressing plate; 4. hoisting the component; 5. a displacement sensor; 6. an upper round bar; 7. a lower round bar.
Detailed Description
The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.
Examples
Please refer to fig. 1 to 5: the embodiment provides a pair of explosion test device for concrete slab, including main part net support 1 and concrete test board 2, the top of main part net support 1 is horizontal installation department 11, the bottom of main part net support 1 is horizontal netted portion 12, be connected with vertical support portion 13 between horizontal installation department 11 and the horizontal netted portion 12, 2 detachable horizontal installation of concrete test board are on horizontal installation department 11, detachable is equipped with rather than the horizontal press plate 3 of looks adaptation around the top of concrete test board 2, horizontal and vertical both sides symmetries of horizontal installation department 11 are equipped with hoist and mount component 4, detachable is equipped with a plurality of displacement sensor 5 on the vertical support portion 13.
Referring to fig. 1 and 5, in this embodiment, a test board installation groove 111 adapted to the concrete test board 2 is formed in the top of the horizontal installation portion 11, and the concrete test board 2 is detachably and horizontally installed in the test board installation groove 111.
In addition, as shown in fig. 1 to 3, an upper round bar 6 is detachably disposed between two ends of the horizontal pressing plate 3 and the concrete test plate 2, a lower round bar 7 corresponding to the upper round bar 6 is detachably disposed between the concrete test plate 2 and the horizontal mounting portion 11, and the concrete test plate 2 is horizontally disposed between the upper round bar 6 and the lower round bar 7. During explosion test, the boundary constraint conditions have great influence on the transmission of the explosion waves, and further have important influence on the test result, so that the appropriate boundary constraint conditions need to be selected to ensure the test effect. In this embodiment, when there is no upper round bar 6 or lower round bar 7, during the explosion test, the concrete test plate 2 is directly placed on the horizontal installation part 11, then the horizontal press plate 3 is placed, and finally the whole structure can be fixed by a fastener (such as a bolt), and the boundary constraint condition is the clamped boundary constraint condition; when being equipped with round bar 6 and round bar 7 down, during the explosion experiment, can put into horizontal installation department 11 with round bar 7 down earlier, then put into concrete test board 2 at the top of round bar 7 down, put into round bar 6 at the top of concrete test board 2 after that, then put horizontal clamp plate 3, it can to fix overall structure with the bolt at last, at this moment, the boundary constraint condition is just the hinge boundary constraint condition. Like this, through the dismouting of last round bar 6 and lower round bar 7, can change boundary constraint condition to during making actual explosion experiment, can select suitable boundary constraint condition according to actual conditions, thereby effectively ensured experimental effect.
Referring to fig. 5 again, the horizontal mesh portion 12 is formed by criss-cross of a plurality of longitudinal supporting members 121 and transverse supporting members 122, the top of the vertical supporting portion 13 is connected to the horizontal mounting portion 11, and the bottom of the vertical supporting portion 13 is connected to the longitudinal supporting members 121 and the transverse supporting members 122, respectively. Accordingly, the vertical supporting part 13 is composed of a plurality of vertical supporting parts 131 corresponding to the longitudinal supporting parts 121 and the lateral supporting parts 122, the top of the vertical supporting part 131 is connected to the horizontal mounting part 11, and the bottom of the vertical supporting part 131 is connected to the longitudinal supporting parts 121 and the lateral supporting parts 122, respectively. In this embodiment, the horizontal net portion 12 and the vertical supporting portion 13 are integrated, specifically, the two ends of the longitudinal supporting member 121 and the transverse supporting member 122 extend vertically upward and then are connected to the horizontal mounting portion 11, that is, the two ends of the longitudinal supporting member 121 and the transverse supporting member 122 extend vertically upward and then form the vertical supporting portion 13. Furthermore, the main mesh-shaped support 1 can be an integrally formed part, so that large-scale production is facilitated.
In this embodiment, each component in the explosion test device is a steel structure except for the concrete test plate 2 and the displacement sensor 5, and not only is the antiknock performance strong, but also the recycling is convenient.
The use method of the explosion test device for the concrete slab comprises the following steps:
taking the hinge boundary constraint as an example: the hoisting members 4 are symmetrically welded on the main body net-shaped support 1 (specifically, welded on the horizontal and longitudinal sides of the horizontal installation part 11), the lower round rods 7 are placed in the test board installation grooves 111 at the top of the horizontal installation part 11 of the main body net-shaped support 1 (as shown in fig. 5), then the concrete test board 2 is horizontally placed on the top of the lower round rods 7, then the upper round rods 6 are placed at the positions, corresponding to the lower round rods 7, of the two ends of the top of the concrete test board 2, then the horizontal press plate 3 is pressed, and then the concrete test board 2 is fixed by bolts, so that the fixed installation of the concrete test board 2 can be completed (the fixed support boundary constraint condition can be selected according to the actual requirement, namely the upper round rods 6 and the lower round rods 7 are not needed), and after the installation, the displacement sensor 5 is installed on the vertical support part 13 (specifically, installed on the vertical support part 131 and positioned inside the main body net-shaped support, the assembly of the explosion test device can be completed; in addition, auxiliary tools required for explosion tests such as strain gauges can be arranged in the main body net support 1;
digging a pit capable of containing the explosion test device on the ground, putting the assembled explosion test device into the pit through a crane (the crane is connected with the explosion test device through a hoisting component 4 so as to hoist the whole explosion test device), backfilling a soil body, stabilizing the explosion test device, then placing explosive at a position right above a concrete test board 2 according to a certain explosion distance proportion according to the explosion test requirement, emptying site personnel after all work preparation is completed, and carrying out an explosion simulation test after the safety is confirmed to be correct.
According to the method, in the explosion simulation test, the concrete test plate 2 is directly fixed on the main body net-shaped support 1, the concrete is directly hoisted by a crane and then embedded after the assembly is finished, and the concrete does not need to be poured, so that the test time is saved, and in the explosion test device, the main body net-shaped support 1, the horizontal press plate 3, the upper round rod 6, the lower round rod 7 and other components can be disassembled, so that the disassembly, assembly and transportation are convenient, after the test is finished, the main body net-shaped support 1, the horizontal press plate 3, the upper round rod 6, the lower round rod 7 and other components can be recycled, the utilization rate is high, the test material is effectively saved, the test cost is reduced, and the resource waste; furthermore, the utility model discloses in main part reticulation support 1 who adopts, its network structure can effectively alleviate whole weight when effectively guaranteeing whole degree of stability, the installation of the subassembly such as displacement sensor 5 of still being convenient for simultaneously.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. An explosion test device for concrete slabs, characterized in that: including main part net support and concrete test board, the top of main part net support is horizontal installation department, the bottom of main part net support is horizontal netted portion, be connected with vertical supporting part between horizontal installation department and the horizontal netted portion, concrete test board detachable horizontal installation is on horizontal installation department, the detachable is equipped with the horizontal pressing plate rather than the looks adaptation around the top of concrete test board, horizontal and vertical both sides of horizontal installation department are all symmetrical and are equipped with the hoist and mount component, detachable is equipped with a plurality of displacement sensor on the vertical supporting part.
2. An explosion testing apparatus for concrete panels as claimed in claim 1 wherein: the top of horizontal installation department is equipped with the test board mounting groove with concrete test board looks adaptation, concrete test board detachable horizontal installation is in the test board mounting groove.
3. An explosion testing apparatus for concrete panels as claimed in claim 1 wherein: the detachable is equipped with the round bar between horizontal press plate's both ends and the concrete test board, detachable is equipped with the lower round bar corresponding with last round bar between concrete test board and the horizontal installation department, the concrete test board level is located between round bar and the lower round bar.
4. An explosion testing apparatus for concrete panels as claimed in claim 1 wherein: the horizontal net-shaped part is formed by a plurality of longitudinal supporting pieces and transverse supporting pieces in a criss-cross mode, the top of the vertical supporting part is connected with the horizontal installation part, and the bottom of the vertical supporting part is connected with the longitudinal supporting pieces and the transverse supporting pieces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022270075.5U CN213148621U (en) | 2020-10-13 | 2020-10-13 | A explosion test device for concrete slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022270075.5U CN213148621U (en) | 2020-10-13 | 2020-10-13 | A explosion test device for concrete slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213148621U true CN213148621U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022270075.5U Active CN213148621U (en) | 2020-10-13 | 2020-10-13 | A explosion test device for concrete slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213148621U (en) |
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2020
- 2020-10-13 CN CN202022270075.5U patent/CN213148621U/en active Active
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