CN203643265U - High-strength concrete compression test cracking-proofing device - Google Patents
High-strength concrete compression test cracking-proofing device Download PDFInfo
- Publication number
- CN203643265U CN203643265U CN201420027655.3U CN201420027655U CN203643265U CN 203643265 U CN203643265 U CN 203643265U CN 201420027655 U CN201420027655 U CN 201420027655U CN 203643265 U CN203643265 U CN 203643265U
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- protective stent
- pressing machine
- strength concrete
- compression test
- semi arch
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Abstract
The utility model provides a high-strength concrete compression test cracking-proofing device, relates to a compression test cracking-proofing device, solving the problems of small observation hole and poor detection effect of a protective sleeve of the compression test cracking-proofing device in the testing process. An upper press plate of a press and a lower press plate of the press are arranged sequentially from top to bottom; an adsorption plate is arranged on the lower end face of the upper press plate of the press; a concrete test piece is arranged on the lower press plate of the press; a protective bracket is sleeved on the concrete test piece; a rubber enclosure is arranged on the protective bracket; a glass protective cover is arranged on the outer wall of the protective bracket between the rubber enclosure and the lower press plate of the press. The high-strength concrete compression test cracking-proofing device is used in a high-strength concrete compression test.
Description
Technical field
The utility model relates to a kind of anti-cracking device, is specifically related to a kind of High Strength Concrete Under Compressive Cyclic Loading and tests anti-cracking device.
Background technology
High-strength concrete is as a kind of new building materials, and the superiority high with its compressive strength, non-deformability is strong, density is large, porosity is low is widely used in high building structure, long-span bridge girder construction and some unique construction.The feature of high-strength concrete maximum is that compressive strength is high, is generally mixed 4～6 times of doubting soil of regular tenacity, therefore can reduce the cross section of member, therefore optimum is for skyscraper.Test shows, in certain axial compression ratio and suitable stirrup ratio situation, high strength reinforced concrete frame columns has good anti-seismic performance.And column cross-section size reduces, alleviate deadweight, avoid short column, also favourable to structural seismic, and improved economic benefit.High-strength concrete material, for prestressing technique provides advantage, can adopt high strength steel and manual control stress, thereby has improved widely bendind rigidity and the crack resistance of flexural member.Therefore in world wide, adopt and apply prestressed High Strength Concrete Structures more and more, be applied in large span house and bridge.In addition, utilize the feature that high-strength concrete density is large, can be used as building the buildings withstanding shocks with explosive load.Utilize the strong and strong feature of corrosion resistance of high-strength concrete anti-permeability performance, build the industrial pond etc. that there is high resistance and blend the rotten requirement of high resistance.
Based on foregoing, intensity that can Measurement accuracy high-strength concrete seems particularly important, and protection cylinder viewport in process of the test of the anti-cracking device of existing compression test is too small, has the poor problem of monitoring effect.
Utility model content
The purpose of this utility model is that the protection cylinder viewport in process of the test in order to solve the anti-cracking device of existing compression test is too small, has the poor problem of monitoring effect, and then provides a kind of High Strength Concrete Under Compressive Cyclic Loading to test anti-cracking device.
The technical solution of the utility model is: High Strength Concrete Under Compressive Cyclic Loading is tested anti-cracking device and comprised pressing machine top board, pressing machine lower platen and suction sheet, pressing machine top board and pressing machine lower platen from top to bottom set gradually, suction sheet is arranged on the lower surface of pressing machine top board, the anti-cracking device of described compression test also comprises protective stent, glass protecting cover and rubber shroud, concrete sample is arranged on pressing machine lower platen, protective stent is sleeved on concrete sample, rubber shroud is arranged on protective stent, glass protecting cover is arranged on the protective stent outer wall between rubber shroud and pressing machine lower platen.
Described protective stent comprises the first semi arch protective stent and the second semi arch protective stent, one end of one end of the first semi arch protective stent and the second semi arch protective stent is rotatably connected, and the other end of the other end of the first semi arch protective stent and the second semi arch protective stent can be fastened and connected.
Described protective stent is the protective stent with grid.
The anti-cracking device of described compression test also comprises multiple junction buttons, and multiple junction buttons are arranged on protective stent, and each grid intersection point is provided with a junction button.
The utility model compared with prior art has following effect:
1. the utility model is provided with protective stent and glass protecting cover; protective stent is mesh shape; anchorage force is better; protective stent outer wall is provided with glass protecting cover simultaneously; observing effect is better; and protective stent and glass protecting cover can form double shielding, in High Strength Concrete Under Compressive Cyclic Loading strength test process, can prevent test specimen crush collapse harm, can make again operating personnel observe clearly the test specimen situation in process of the test.
2. protective stent of the present utility model is designed to removably connect, protective stent one side has rotating coupling shaft, opposite side has attachable button abutment ring, there are multiple trip bolts protective stent upper end, can removably connect with rubber shroud, in the time of work, protective stent one side is opened, be centered around test specimen outside, then by the fastening of button abutment ring, subsequently rubber shroud is placed on to protective stent upper end, connects fastening by multiple trip bolts, finally rubber shroud is arranged on the lower surface of pressing machine top board by suction sheet, starts working.
3. the utility model easy installation and removal, in guaranteeing work efficiency, has improved operating personnel's security, and simple in structure, convenient operation is observed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is working state schematic representation of the present utility model.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, present embodiment comprises pressing machine top board 1, pressing machine lower platen 2 and suction sheet 3, pressing machine top board 1 and pressing machine lower platen 2 from top to bottom set gradually, suction sheet 3 is arranged on the lower surface of pressing machine top board 1, the anti-cracking device of described compression test also comprises protective stent 4, glass protecting cover 5 and rubber shroud 6, concrete sample 7 is arranged on pressing machine lower platen 2, protective stent 4 is sleeved on concrete sample 7, rubber shroud 6 is arranged on protective stent 4, glass protecting cover 5 is arranged on protective stent 4 outer walls between rubber shroud 6 and pressing machine lower platen 2.
As a kind of optimal way, the protective stent 4 of present embodiment comprises the first semi arch protective stent 4-1 and the second semi arch protective stent 4-2, one end of one end of the first semi arch protective stent 4-1 and the second semi arch protective stent 4-2 is rotatably connected, and the other end of the other end of the first semi arch protective stent 4-1 and the second semi arch protective stent 4-2 can be fastened and connected.
As a kind of optimal way, the protective stent 4 of present embodiment is the protective stent with grid.
As a kind of optimal way, the anti-cracking device of the compression test of present embodiment also comprises multiple junction buttons 8, and multiple junction buttons 8 are arranged on protective stent 4, and each grid intersection point is provided with a junction button 8.Be convenient to glass protecting cover 5 to be more firmly arranged on protective stent 4 outer walls.
Claims (4)
1. a High Strength Concrete Under Compressive Cyclic Loading is tested anti-cracking device, it comprises pressing machine top board (1), pressing machine lower platen (2) and suction sheet (3), pressing machine top board (1) and pressing machine lower platen (2) from top to bottom set gradually, suction sheet (3) is arranged on the lower surface of pressing machine top board (1), it is characterized in that: the anti-cracking device of described compression test also comprises protective stent (4), glass protecting cover (5) and rubber shroud (6), concrete sample (7) is arranged on pressing machine lower platen (2), protective stent (4) is sleeved on concrete sample (7), rubber shroud (6) is arranged on protective stent (4), glass protecting cover (5) is arranged on protective stent (4) outer wall between rubber shroud (6) and pressing machine lower platen (2).
2. High Strength Concrete Under Compressive Cyclic Loading according to claim 1 is tested anti-cracking device, it is characterized in that: described protective stent (4) comprises the first semi arch protective stent (4-1) and the second semi arch protective stent (4-2), one end of one end of the first semi arch protective stent (4-1) and the second semi arch protective stent (4-2) is rotatably connected, and the other end of the other end of the first semi arch protective stent (4-1) and the second semi arch protective stent (4-2) can be fastened and connected.
3. High Strength Concrete Under Compressive Cyclic Loading according to claim 2 is tested anti-cracking device, it is characterized in that: described protective stent (4) is the protective stent with grid.
4. High Strength Concrete Under Compressive Cyclic Loading according to claim 3 is tested anti-cracking device, it is characterized in that: the anti-cracking device of described compression test also comprises multiple junction buttons (8), it is upper that multiple junction buttons (8) are arranged on protective stent (4), and each grid intersection point is provided with a junction button (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027655.3U CN203643265U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027655.3U CN203643265U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643265U true CN203643265U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027655.3U Expired - Fee Related CN203643265U (en) | 2014-01-16 | 2014-01-16 | High-strength concrete compression test cracking-proofing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462467A (en) * | 2017-08-14 | 2017-12-12 | 安徽德琳环保发展（集团）有限公司 | A kind of ornament materials test device |
-
2014
- 2014-01-16 CN CN201420027655.3U patent/CN203643265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462467A (en) * | 2017-08-14 | 2017-12-12 | 安徽德琳环保发展（集团）有限公司 | A kind of ornament materials test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140611 Termination date: 20180116 |