CN209764580U - Reinforced concrete slab blast wave loading test fixing device - Google Patents
Reinforced concrete slab blast wave loading test fixing device Download PDFInfo
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- CN209764580U CN209764580U CN201920315521.4U CN201920315521U CN209764580U CN 209764580 U CN209764580 U CN 209764580U CN 201920315521 U CN201920315521 U CN 201920315521U CN 209764580 U CN209764580 U CN 209764580U
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- reinforced concrete
- concrete slab
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- slab
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Abstract
The utility model belongs to the technical field of protection engineering, a reinforced concrete slab blast wave load test fixing device is disclosed. The disclosed reinforced concrete slab explosive wave loading test fixing device is provided with a reinforced concrete base with an end face at one side and an opening at the upper end face; the upper end surface of the reinforced concrete base is provided with a U-shaped clamping groove arranged around the opening of the upper end surface of the reinforced concrete base; a reinforced concrete slab clamped with the reinforced concrete base is arranged above the reinforced concrete base; a cross bar I for compacting the reinforced concrete slab is also arranged above the reinforced concrete slab, and the cross bars I are two cross bars positioned at two ends of the reinforced concrete slab in the length direction; two ends of each cross rod I are connected with vertical rods I; reinforcing plates I are welded on two sides of the upper end of each vertical rod I, and the reinforcing plates I are fixedly connected with the base into a whole through screws; the test fixture also had a TNT suspended directly above the reinforced concrete slab. The utility model discloses reinforced concrete slab antiknock performance loading test's precision and convenience have greatly been improved.
Description
Technical Field
The utility model belongs to the technical field of protection engineering, concretely relates to reinforced concrete slab blast wave loading test fixing device.
Background
The explosion damage effect antiknock performance test of a typical unidirectional support reinforced concrete slab is completed by loading different explosion shock wave loads and testing the antiknock performance; the unidirectional support reinforced concrete slabs are completely fixedly supported with other structures on two sides in the real building, but the real building is built in the test, so that the cost is high, and the unidirectional support reinforced concrete slabs are not easy to recycle; therefore, a test fixing device which can simulate the connection state of the reinforced concrete slabs supported at two sides and other members in a real environment, can ensure the firm fixation of the two sides of the reinforced concrete slabs during explosive loading, and can greatly simplify the operation complexity and reduce the test cost must be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a reinforced concrete slab blast wave loading test fixing device. The anti-explosion device has the advantages of being simple in structure, low in cost, convenient and safe in test operation, reliable in fixing of two sides of the reinforced concrete slab, stable in performance, capable of being used repeatedly and the like, greatly improving accuracy and convenience of an anti-explosion performance loading test of the one-way supporting reinforced concrete slab, effectively simulating real solid supporting and stress conditions of the reinforced concrete slab under the effect of structural explosion, and having important significance in promoting orderly and effective research of the test.
In order to realize the purpose of the utility model, the utility model adopts the following technical proposal:
A reinforced concrete slab blast wave loading test fixing device is provided with a reinforced concrete base; the reinforced concrete base is a cuboid with an opening on one side end face and an opening on the upper end face; the upper end surface of the reinforced concrete base is provided with clamping grooves, and the clamping grooves are provided with two clamping grooves I which are positioned at two ends of the upper end surface of the reinforced concrete base and are arranged in parallel and a clamping groove II which is communicated with the two clamping grooves I; the two clamping grooves I are communicated through the clamping groove II to form a U-shaped clamping groove which is arranged around the opening of the upper end face of the reinforced concrete base in an integrated mode; a reinforced concrete slab is arranged above the reinforced concrete base, the reinforced concrete slab is of a flat plate structure, and two ends of the reinforced concrete slab in the length direction are bent downwards and vertically to form clamping plates I; the reinforced concrete slab is connected with a clamping groove I corresponding to the upper end of the reinforced concrete base in a clamping manner through a clamping plate I formed by vertically bending two ends of the reinforced concrete slab downwards; a cross bar I used for pressing the reinforced concrete slab is further arranged above the reinforced concrete slab, and the two cross bars I are positioned at two ends of the reinforced concrete slab in the length direction; two ends of each cross rod I are connected with vertical rods I; reinforcing plates I are welded on two sides of the upper end of each vertical rod I, and the reinforcing plates I are fixedly connected with the base into a whole through screws to fix and limit the reinforced concrete plate for completely fixing two sides of the reinforced concrete plate, so that two sides of the reinforced concrete plate are prevented from rebounding and moving in position in the explosion process; the test fixing device is also provided with TNT suspended right above the reinforced concrete plate; the TNT is hung over the reinforced concrete slab through stand columns arranged on two sides of the reinforced concrete base and a cross beam connected between the two stand columns.
The lower end surface of the reinforced concrete slab is also provided with a clamping plate II for connecting the two clamping plates I into a whole; two cardboard I connect through cardboard II and form U type cardboard as an organic whole.
A cross bar II which is used for being erected above the two cross bars I is further arranged above the reinforced concrete slab, and the cross bar II is perpendicular to the cross bars I; the both ends of horizontal pole II all are connected with pole setting II, every reinforcing plate II has all been welded to the both sides of II upper ends of pole setting, just reinforcing plate II through the screw with the base solid antithetical couplet as an organic whole, right reinforced concrete slab fix spacing for the trilateral complete fixation of reinforced concrete slab.
The utility model provides a reinforced concrete slab blast wave loading test fixing device, adopt the reinforced concrete slab that length direction both ends have the cardboard with the solid antithetical couplet of reinforced concrete base, realized reinforced concrete slab one-way solid prop up and support, can really simulate the actual stress state on reinforced concrete slab both sides, improved the precision of test to a great extent; the reinforced concrete slab is connected with the reinforced concrete base in a clamping way, and the transverse rod, the vertical rod and the reinforcing plate arranged on the transverse rod realize the limiting and fixing of the reinforced concrete slab, so that the test operation is greatly simplified, the test cost is reduced, and the test can be repeated for many times; the fixing and supporting of two sides of the reinforced concrete slab are realized, and the safety, the stability and the reusability of the device are ensured;
By replacing the reinforced concrete slab with the U-shaped clamping plate on the lower end face, the real supporting and stress conditions of the three-side support reinforced concrete slab under the structural explosion effect are effectively simulated; greatly improved trilateral support reinforced concrete slab antiknock performance loading test's precision and convenience, effectively carried on to promoting this experimental study is orderly to have important meaning.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the reinforced concrete slab of fig. 1.
Fig. 3 is a schematic structural diagram of the reinforced concrete base of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is a schematic structural view of the reinforced concrete slab of fig. 4.
In the figure: 1. stand, 2, crossbeam, 3, TNT, 4, reinforced concrete slab, 5, reinforced concrete base, 6, draw-in groove I, 7, draw-in groove II, 8, pole setting I, 9, reinforcing plate I, 10, horizontal pole I, 11, pole setting II, 12, reinforcing plate II, 13, horizontal pole II, 14, cardboard I, 15, cardboard II.
Detailed Description
to facilitate understanding and practice of the invention for those skilled in the art, the invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a test fixture for the blast loading of a reinforced concrete panel, said test fixture having a reinforced concrete base 5; the reinforced concrete base 5 is a cuboid with an opening on one side end face and an opening on the upper end face; the upper end surface of the reinforced concrete base 5 is provided with clamping grooves, and the clamping grooves are provided with two clamping grooves I6 which are positioned at two ends of the upper end surface of the reinforced concrete base and are arranged in parallel and a clamping groove II 7 which is communicated with the two clamping grooves I; the two clamping grooves I6 are communicated through a clamping groove II 7 to form a U-shaped clamping groove which is arranged around the opening on the upper end face of the reinforced concrete base in an integrated mode; a reinforced concrete slab 4 is arranged above the reinforced concrete base 5, and with reference to fig. 2, the reinforced concrete slab 4 is of a flat plate structure, and two ends of the reinforced concrete slab in the length direction are bent downwards and vertically to form clamping plates I14; the reinforced concrete slab is connected with a clamping groove I6 corresponding to the upper end of the reinforced concrete base in a clamping manner through a clamping plate I14 formed by vertically bending two ends of the reinforced concrete slab downwards; a cross bar I10 used for pressing the reinforced concrete slab is further arranged above the reinforced concrete slab, and the two cross bars I10 are positioned at two ends of the reinforced concrete slab in the length direction; two ends of each cross rod I10 are connected with vertical rods I8; reinforcing plates I9 are welded on two sides of the upper end of each vertical rod I8, the reinforcing plates I9 are fixedly connected with the reinforced concrete base 5 into a whole through screws, and the reinforced concrete slabs 4 are fixed and limited for completely fixing two sides of each reinforced concrete slab so as to prevent the two sides of each reinforced concrete slab from rebounding and moving in position in the explosion process; the test fixing device is also provided with TNT3 hung right above the reinforced concrete slab; the TNT3 is hung over the reinforced concrete slab through the upright columns arranged on two sides of the reinforced concrete base and the cross beam 2 connected between the two upright columns 1.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention, the main structure of the embodiment is the same as that of embodiment 1, in this embodiment, in combination with fig. 5, the lower end surface of the reinforced concrete slab is further provided with two clamping plates ii 15 for integrally connecting the two clamping plates i 14; the two clamping plates I14 are connected into a U-shaped clamping plate through a clamping plate II 15; a cross bar II 13 which is used for being erected above the two cross bars I9 is further arranged above the reinforced concrete slab, and the cross bar II 13 is perpendicular to the cross bars I9; the both ends of horizontal pole II 13 all are connected with pole setting II 11, every reinforcing plate II 12 has all been welded to the both sides of II 11 upper ends of pole setting, just reinforcing plate II 12 pass through the screw with concrete base 5 link firmly as an organic whole, right reinforced concrete slab fix spacing for the trilateral complete fixation of reinforced concrete slab.
When the utility model is used, the three sides of the reinforced concrete slab are inserted into the base clamping groove through the slab foot structure for limiting; in addition, the plate structure of three-side fixing support in the building is completely fixed at the three fixing support boundaries under the explosion condition, and the device fixes three sides of the reinforced concrete plate by using the plate fixing component; the TNT is suspended above the reinforced concrete slab by TNT fixing brackets.
In order to facilitate the development of the test, three sides of the reinforced concrete slab are inserted into the clamping grooves of the base for limiting through the slab foot structures during the test, and the reinforced concrete slab is reliably fixed by adopting an approximate fixing and supporting method so as to simulate the actual stress state of the reinforced concrete slab in a building. After the reinforced concrete slab is installed and fixed during the test, measuring devices such as a pressure sensor are installed, a data transmission line is connected, and whether the pressure sensor and a strain gauge line work normally or not is tested. After the preparation work is finished, the TNT charge is hung at a certain explosion height above the reinforced concrete slab, the TNT charge is fixed by using a TNT fixing structure, and the detonator is fixed to the TNT charge column. And after all the work is finished, detonating the detonator, and synchronously starting the test system. And after the test is finished, the support is dismantled, and the reinforced concrete slab is taken out and measured.
Claims (3)
1. The utility model provides a reinforced concrete slab blast wave loading test fixing device which characterized in that: the test fixing device is provided with a reinforced concrete base; the reinforced concrete base is a cuboid with an opening on one side end face and an opening on the upper end face; the upper end surface of the reinforced concrete base is provided with clamping grooves, and the clamping grooves are provided with two clamping grooves I which are positioned at two ends of the upper end surface of the reinforced concrete base and are arranged in parallel and a clamping groove II which is communicated with the two clamping grooves I; the two clamping grooves I are communicated through the clamping groove II to form a U-shaped clamping groove which is arranged around the opening of the upper end face of the reinforced concrete base in an integrated mode; a reinforced concrete slab is arranged above the reinforced concrete base, the reinforced concrete slab is of a flat plate structure, and two ends of the reinforced concrete slab in the length direction are bent downwards and vertically to form clamping plates I; the reinforced concrete slab is connected with a clamping groove I corresponding to the upper end of the reinforced concrete base in a clamping manner through a clamping plate I formed by vertically bending two ends of the reinforced concrete slab downwards; a cross bar I used for pressing the reinforced concrete slab is further arranged above the reinforced concrete slab, and the two cross bars I are positioned at two ends of the reinforced concrete slab in the length direction; two ends of each cross rod I are connected with vertical rods I; reinforcing plates I are welded on two sides of the upper end of each vertical rod I, and the reinforcing plates I are fixedly connected with the base into a whole through screws to fix and limit the reinforced concrete plate for completely fixing two sides of the reinforced concrete plate, so that two sides of the reinforced concrete plate are prevented from rebounding and moving in position in the explosion process; the test fixing device is also provided with TNT suspended right above the reinforced concrete plate; the TNT is hung over the reinforced concrete slab through stand columns arranged on two sides of the reinforced concrete base and a cross beam connected between the two stand columns.
2. a reinforced concrete panel blast wave loading test fixture as claimed in claim 1 wherein: the lower end surface of the reinforced concrete slab is also provided with a clamping plate II for connecting the two clamping plates I into a whole; two cardboard I connect through cardboard II and form U type cardboard as an organic whole.
3. A reinforced concrete panel blast wave loading test fixture as claimed in claim 1 wherein: a cross bar II which is used for being erected above the two cross bars I is further arranged above the reinforced concrete slab, and the cross bar II is perpendicular to the cross bars I; the both ends of horizontal pole II all are connected with pole setting II, every reinforcing plate II has all been welded to the both sides of II upper ends of pole setting, just reinforcing plate II through the screw with the base solid antithetical couplet as an organic whole, right reinforced concrete slab fix spacing for the trilateral complete fixation of reinforced concrete slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315521.4U CN209764580U (en) | 2019-03-13 | 2019-03-13 | Reinforced concrete slab blast wave loading test fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315521.4U CN209764580U (en) | 2019-03-13 | 2019-03-13 | Reinforced concrete slab blast wave loading test fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN209764580U true CN209764580U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920315521.4U Expired - Fee Related CN209764580U (en) | 2019-03-13 | 2019-03-13 | Reinforced concrete slab blast wave loading test fixing device |
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| CN (1) | CN209764580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708961A (en) * | 2019-03-13 | 2019-05-03 | 宁波大学 | A kind of fixed device of armoured concrete slab blast wave load test |
-
2019
- 2019-03-13 CN CN201920315521.4U patent/CN209764580U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708961A (en) * | 2019-03-13 | 2019-05-03 | 宁波大学 | A kind of fixed device of armoured concrete slab blast wave load test |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211027 Address after: 471023 No.3 Longmen Xishan Road, Luolong District, Luoyang City, Henan Province Patentee after: INSTITUTE OF DEFENSE ENGINEERING ACADEMY OF MILITARY SCIENCES PLA CHINA Address before: 315211, Fenghua Road, Jiangbei District, Zhejiang, Ningbo 818 Patentee before: Ningbo University Patentee before: INSTITUTE OF DEFENSE ENGINEERING ACADEMY OF MILITARY SCIENCES PLA CHINA |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |