CN209764578U - Four sides support reinforced concrete slab blast wave loading test fixing device - Google Patents
Four sides support reinforced concrete slab blast wave loading test fixing device Download PDFInfo
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- CN209764578U CN209764578U CN201920315499.3U CN201920315499U CN209764578U CN 209764578 U CN209764578 U CN 209764578U CN 201920315499 U CN201920315499 U CN 201920315499U CN 209764578 U CN209764578 U CN 209764578U
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- reinforced concrete
- concrete slab
- concrete base
- end surface
- fixing device
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Abstract
The utility model belongs to the technical field of protection engineering, a four sides support reinforced concrete slab blast wave loading test fixing device is proposed. The fixing device for the four-side support reinforced concrete slab explosion wave loading test is provided with a reinforced concrete base with a hollow structure; the reinforced concrete base is a rectangular body with an opening at the upper end surface, and the middle part of one side wall surface of the reinforced concrete base is provided with an opening communicated with the hollow structure of the reinforced concrete base; the upper end surface of the reinforced concrete base is provided with a rectangular clamping groove which surrounds an opening on the upper end surface of the reinforced concrete base; the test fixing device is also provided with a reinforced concrete slab clamped with the reinforced concrete base; and a rectangular pressing frame which is arranged on the reinforced concrete slab in a pressing mode is arranged above the reinforced concrete slab. The utility model discloses greatly improved four sides support reinforced concrete slab antiknock performance loading test's precision and convenience, can effectively simulate four sides support reinforced concrete slab true solid under the structure explosion effect and prop up and the atress condition.
Description
Technical Field
the utility model belongs to the technical field of protection engineering, concretely relates to four sides support reinforced concrete slab blast wave loading test fixing device.
Background
The explosion damage effect antiknock performance test of the typical four-side supporting reinforced concrete slab is completed by loading different explosion shock wave loads and checking the antiknock performance. The four sides of the four-side supporting reinforced concrete slab in the real building are completely fixedly supported with other structures, but the real building built in the test has high manufacturing cost and is not easy to be reused; therefore, a test fixing device which can simulate the connection state of the four-side support reinforced concrete slab and other members in a real environment, can ensure the firm fixation of the four sides of the reinforced concrete slab during explosive loading, and can greatly simplify the operation complexity and reduce the test cost must be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a four sides support reinforced concrete slab blast wave load test fixing device makes it can improve four sides support reinforced concrete slab antiknock performance load test's precision and convenience, effectively simulates reinforced concrete slab true solid supporting and the atress condition under the structure explosion effect.
In order to realize the purpose of the utility model, the utility model adopts the following technical proposal:
A four-side support reinforced concrete slab explosive wave loading test fixing device is provided with a reinforced concrete base with a hollow structure; the reinforced concrete base is a rectangular body with an opening at the upper end surface, and the middle part of one side wall surface of the reinforced concrete base is provided with an opening communicated with the hollow structure of the reinforced concrete base; the upper end surface of the reinforced concrete base is provided with a rectangular clamping groove which surrounds an opening on the upper end surface of the reinforced concrete base; the test fixing device is characterized in that the test fixing device is also provided with a reinforced concrete slab, the reinforced concrete slab is a flat plate, the periphery of the lower end surface of the flat plate is downwards and vertically bent to form a rectangular frame with a sealed upper end surface and an opened lower end surface, and the thickness of four edges of the rectangular frame is matched with the width of the rectangular clamping groove; the reinforced concrete slab is clamped and connected with the rectangular clamping groove on the reinforced concrete base through a rectangular frame formed on the lower end surface of the reinforced concrete slab, and the reinforced concrete base limits the reinforced concrete slab; two cross rods and two vertical rods which are arranged on the reinforced concrete slab in a pressing mode are arranged above the reinforced concrete slab; the two vertical rods are pressed and installed above the two ends of the two transverse rods to form a rectangular pressing frame; upright posts are welded at two ends of each transverse rod and each vertical rod, the upright posts are tightly attached to two sides of the reinforced concrete base, and reinforcing plates tightly pressed on the reinforced concrete base are welded at two sides of each upright post; the reinforced plate is fixedly connected with the reinforced concrete base into a whole through screws, and the reinforced concrete plate is fixedly connected with the reinforced concrete base into a whole for completely fixing four sides of the reinforced concrete plate so as to prevent four sides of the reinforced concrete plate 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 utility model provides a pair of four sides support reinforced concrete slab blast wave loading test fixing device adopts above-mentioned technical scheme, has following beneficial effect:
1. The device realizes the fixed support of four sides of the reinforced concrete slab, can truly simulate the actual stress state of the four sides of the reinforced concrete slab, and greatly improves the test accuracy;
2. The test device ensures that the four-side supporting reinforced concrete slab is convenient and reliable to fix, greatly simplifies test operation, reduces test cost and can be repeatedly tested for many times;
3. Through the installation fixing assembly, the fixing support of four sides of the reinforced concrete slab is realized, and the safety, the stability and the reusability of the device are guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a reinforced concrete foundation;
Fig. 3 is a schematic view of a four-sided reinforced concrete slab.
in the figure: 1. stand, 2, crossbeam, 3, TNT, 4, reinforced concrete slab, 5, reinforced concrete base, 6, rectangle draw-in groove, 7, horizontal pole, 8, montant, 9, stand, 10, reinforcing plate.
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 and 2, the test fixture for the blast wave loading of the four-side supported reinforced concrete slab comprises a reinforced concrete base 5 with a hollow structure; the reinforced concrete base 5 is a rectangular body with an opening at the upper end face, and the middle part of one side wall face of the reinforced concrete base 5 is provided with an opening communicated with the hollow structure of the reinforced concrete base; the upper end surface of the reinforced concrete base 5 is provided with a rectangular clamping groove 6 which surrounds an opening on the upper end surface of the reinforced concrete base; with reference to fig. 3, the test fixture is further provided with a reinforced concrete slab, the reinforced concrete slab 4 is a flat plate, the periphery of the lower end surface of the flat plate is bent downwards and vertically to form a rectangular frame with a sealed upper end surface and an open lower end surface, and the thicknesses of four sides of the rectangular frame are matched with the widths of the rectangular clamping grooves; the reinforced concrete slab is clamped and connected with the rectangular clamping groove on the reinforced concrete base through a rectangular frame formed on the lower end surface of the reinforced concrete slab, and the reinforced concrete base limits the reinforced concrete slab; two cross rods 7 and two vertical rods 8 which are arranged on the reinforced concrete slab in a pressing mode are arranged above the reinforced concrete slab; the two vertical rods 8 are pressed above the two ends of the two transverse rods 7 to form a rectangular pressing frame; upright posts 9 are welded at two ends of each transverse rod 7 and each vertical rod 8, the upright posts 9 are tightly attached to two sides of the reinforced concrete base 5, and reinforcing plates 10 tightly pressed on the reinforced concrete base are welded at two sides of each upright post; the reinforcing plate 10 is fixedly connected with the reinforced concrete base into a whole through screws, and the reinforced concrete plate is fixedly connected with the reinforced concrete base into a whole for completely fixing four sides of the reinforced concrete plate so as to prevent the four sides of the reinforced concrete plate 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.
In order to facilitate the development of the test, the four 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 a method similar to fixing support 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 (1)
1. the utility model provides a four sides support reinforced concrete slab blast wave loading test fixing device which characterized in that: the test fixing device is provided with a reinforced concrete base with a hollow structure; the reinforced concrete base is a rectangular body with an opening at the upper end surface, and the middle part of one side wall surface of the reinforced concrete base is provided with an opening communicated with the hollow structure of the reinforced concrete base; the upper end surface of the reinforced concrete base is provided with a rectangular clamping groove which surrounds an opening on the upper end surface of the reinforced concrete base; the test fixing device is characterized in that the test fixing device is also provided with a reinforced concrete slab, the reinforced concrete slab is a flat plate, the periphery of the lower end surface of the flat plate is downwards and vertically bent to form a rectangular frame with a sealed upper end surface and an opened lower end surface, and the thickness of four edges of the rectangular frame is matched with the width of the rectangular clamping groove; the reinforced concrete slab is clamped and connected with the rectangular clamping groove on the reinforced concrete base through a rectangular frame formed on the lower end surface of the reinforced concrete slab, and the reinforced concrete base limits the reinforced concrete slab; two cross rods and two vertical rods which are arranged on the reinforced concrete slab in a pressing mode are arranged above the reinforced concrete slab; the two vertical rods are pressed and installed above the two ends of the two transverse rods to form a rectangular pressing frame; upright posts are welded at two ends of each transverse rod and each vertical rod, the upright posts are tightly attached to two sides of the reinforced concrete base, and reinforcing plates tightly pressed on the reinforced concrete base are welded at two sides of each upright post; the reinforced plate is fixedly connected with the reinforced concrete base into a whole through screws, and the reinforced concrete plate is fixedly connected with the reinforced concrete base into a whole for completely fixing four sides of the reinforced concrete plate so as to prevent four sides of the reinforced concrete plate 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315499.3U CN209764578U (en) | 2019-03-13 | 2019-03-13 | Four sides support reinforced concrete slab blast wave loading test fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315499.3U CN209764578U (en) | 2019-03-13 | 2019-03-13 | Four sides support reinforced concrete slab blast wave loading test fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN209764578U true CN209764578U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920315499.3U Expired - Fee Related CN209764578U (en) | 2019-03-13 | 2019-03-13 | Four sides support reinforced concrete slab blast wave loading test fixing device |
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| CN (1) | CN209764578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708959A (en) * | 2019-03-13 | 2019-05-03 | 宁波大学 | A kind of fixed device of four side spacer bar concrete slab blast wave load tests |
-
2019
- 2019-03-13 CN CN201920315499.3U patent/CN209764578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708959A (en) * | 2019-03-13 | 2019-05-03 | 宁波大学 | A kind of fixed device of four side spacer bar concrete slab blast wave load tests |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211014 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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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |