CN209486108U - A kind of distress in concrete model configuration - Google Patents
A kind of distress in concrete model configuration Download PDFInfo
- Publication number
- CN209486108U CN209486108U CN201920124664.7U CN201920124664U CN209486108U CN 209486108 U CN209486108 U CN 209486108U CN 201920124664 U CN201920124664 U CN 201920124664U CN 209486108 U CN209486108 U CN 209486108U
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- test block
- concrete
- concrete test
- distress
- drilling
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Abstract
The utility model discloses a kind of distress in concrete model configurations, concrete test block including cube structure and the iron wire being cast in concrete test block, the top of concrete test block is vertically drilled with multiple drillings for penetration concrete swelling agent, multiple drillings are located at same row, straight line where iron wire is perpendicular to the plane where multiple drillings, the depth of drillingWherein, H is the thickness of concrete test block, and height γ of the iron wire apart from concrete test block bottom meets: 0 < γ < H-h.The utility model is novel in design, distress in concrete simulation is carried out to penetration concrete swelling agent in rows of drilling, rows of drill can induce the formation of distress in concrete, and by the way that iron wire is cast in concrete test block, concrete test block will not rupture into two after guaranteeing crack appearance, cost is low and can simulate the dry in Practical Project, practical.
Description
Technical field
The utility model belongs to results of fracture simulation technical field of structures, and in particular to a kind of distress in concrete model configuration.
Background technique
Tunnel slot be tunnel-liner it is important harm one of, therefore the reparation of tunnel slot for be completed tunnel operation
And maintenance is of great significance.Composite material is currently mainly used for the reparation of tunnel slot to block, composite material pair
Plugging effect in crack first has to the verifying by laboratory test, then repairs to the crack in tunnel itself.Therefore, it mixes
It coagulates the simulation in soil test block crack and is formed into an essential key link in test.In existing technology, operation letter
Single cheap method is all made of simulation and formation that fixing mould carries out crack, and this method is apparent the disadvantage is that being formed
Fracture shape is single, and crack section is smooth, and research simple problem has advisability, but the research for problem more complex in engineering
Seem do not have specific aim, and is not suitable for the simulation and formation in large-scale crack；Realize that then cost is high using 3D printing technique,
Though can perfect simulation fracture form, since the growth with crack becomes larger, multiple is increased therewith for its operation difficulty and cost.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of coagulation
Native results of fracture simulation structure, it is novel in design reasonable, distress in concrete mould is carried out to penetration concrete swelling agent in rows of drilling
Quasi-, rows of drill can induce the formation of distress in concrete, and by the way that iron wire to be cast in concrete test block, guarantee that crack goes out
Concrete test block will not rupture into two after now, and cost is low and can simulate the dry in Practical Project, convenient for promoting
It uses.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of distress in concrete model configuration,
It is characterized by comprising the concrete test block of cube structure and the iron wire that is cast in concrete test block, concrete test block
Top is vertically drilled with multiple drillings for penetration concrete swelling agent, and multiple drillings are located at same row, straight where iron wire
Line is perpendicular to the plane where multiple drillings, the depth of drillingWherein, H be concrete test block thickness, iron wire away from
Height γ from concrete test block bottom meets: the unit of 0 < γ < H-h, h, H and γ is cm.
Above-mentioned a kind of distress in concrete model configuration, it is characterised in that: the quantity of the iron wire is two, two iron wires
Height apart from concrete test block bottom is equal, and the diameter of iron wire is 0.5cm~1.0cm.
Above-mentioned a kind of distress in concrete model configuration, it is characterised in that: the length L of the concrete test block meets:
30cm≤L≤50cm；The width W of the concrete test block meets:The quantity of drilling is three,
In a drilling be located at concrete test block top center, remaining two drilling is respectively away from concrete test block both sides of the edge distance
For 5cm~10cm.
A kind of above-mentioned distress in concrete model configuration, it is characterised in that: length H > 50cm of the concrete test block；Institute
The width W for stating concrete test block meets:The quantity of drilling is greater than three, the spacing distance of two neighboring drilling
For 15cm, two drillings at edge are respectively 5cm~10cm away from concrete test block both sides of the edge distance.
Above-mentioned a kind of distress in concrete model configuration, it is characterised in that: the diameter of the drilling is 15mm~30mm.
Above-mentioned a kind of distress in concrete model configuration, it is characterised in that: the cement expansive material is calcium sulphoaluminate type
Cement expansive material.
Compared with the prior art, the utility model has the following advantages:
1, the utility model is used for penetration concrete swelling agent by the way that multiple drillings are arranged, and is reacted using cement expansive material
Distress in concrete simulation is carried out, rows of drilling can induce the formation of distress in concrete under the action of cement expansive material, just
In forming crack section, implementation is simple and reliable, convenient for promoting the use of.
2, the utility model is by the way that iron wire to be cast in concrete test block, and concrete test block will not after guaranteeing crack appearance
Rupture into two, convenient for the carrying of later experiments concrete test block, and guarantees that experiment safety carries out, reliable and stable, using effect
It is good.
3, the utility model is novel in design rationally, and cost is low and can simulate the dry in Practical Project, after being
Continuous tunnel slot reparation provides reliable foundation, crack section naturally, have for research practical problem it is advisability, convenient for pushing away
It is wide to use.
In conclusion the utility model is novel in design rationally, penetration concrete swelling agent in rows of drilling is mixed
Solidifying soil results of fracture simulation, rows of drill can induce the formation of distress in concrete, and by the way that iron wire to be cast in concrete test block,
Concrete test block will not rupture into two after guaranteeing crack appearance, and cost is low and can simulate splitting in Practical Project naturally
Seam, convenient for promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Description of symbols:
1-concrete test block；2-drillings；3-iron wires.
Specific embodiment
As shown in Figure 1 to Figure 3, the utility model includes that the concrete test block 1 of cube structure is tried with concrete is cast in
Iron wire 3 in block 1, the top of concrete test block 1 is vertically drilled with multiple drillings 2 for penetration concrete swelling agent, multiple
Drilling 2 is located at same row, the straight line where iron wire 3 perpendicular to the plane where multiple drillings 2, drill 2 depth
Wherein, H is the thickness of concrete test block 1, and height γ of the iron wire 3 apart from 1 bottom of concrete test block meets: 0 < γ < H-h, h, H
Unit with γ is cm.
It should be noted that it is used for penetration concrete swelling agent by the way that multiple drillings 2 are arranged, it is anti-using cement expansive material
Distress in concrete simulation should be carried out, rows of drilling 2 can induce the formation of distress in concrete under the action of cement expansive material,
Convenient for forming crack section, implementation is simple and reliable, convenient for promoting the use of；By the way that iron wire 3 is cast in concrete test block 1
Interior, concrete test block will not rupture into two after guaranteeing crack appearance, convenient for the carrying of later experiments concrete test block, and guarantee
Experiment safety carries out, and reliable and stable, using effect is good；Cost is low and can simulate the dry in Practical Project, after being
Continuous tunnel slot reparation provides reliable foundation, and crack section is naturally, have research practical problem advisability.
In the present embodiment, the quantity of the iron wire 3 is two, height phase of two iron wires 3 apart from 1 bottom of concrete test block
Diameter Deng, iron wire 3 is 0.5cm~1.0cm.
It should be noted that the quantity of iron wire 3 is two and height phase of two iron wires 3 apart from 1 bottom of concrete test block
Deng purpose be to guarantee that coagulation section stabilization is formed to balance 1 stress of concrete test block in the forming process of distress in concrete
Without deviating, avoids single iron wire 3 that from can not tensing the two halves concrete test block of fracture, two half block concrete test blocks is caused to surround
Single iron wire 3 is rotated and is shifted, and makes distress in concrete simulation failure.
In the present embodiment, the diameter of the drilling 2 is 15mm~30mm, and when 2 diameter of drilling is biased to 15mm, drilling 2 is
Compared with small bore；When the diameter of drilling 2 is biased to 30mm, drilling 2 is larger drilling.
In the present embodiment, when the length L of the concrete test block 1 meets: 30cm≤L≤50cm；The concrete test block 1
Width W meet:The quantity of drilling 2 is three, and one of drilling 2 is located at concrete test block 1 and pushes up
Portion center, remaining two drilling 2 are respectively 5cm~10cm away from 1 both sides of the edge of concrete test block distance.
It should be noted that the length L when the concrete test block 1 meets: 30cm≤L≤50cm；The concrete examination
The width W of block 1 meets:When, concrete test block 1 belongs to small-size concrete test block, and drilling 2 is chosen smaller
Drilling, and drill and 2 be drilled with three and be enough inducing concrete test block 1 and split, form distress in concrete.
As length H > 50cm of the concrete test block 1；The width W of the concrete test block 1 meets:It bores
The quantity in hole 2 is greater than three, and the spacing distance of two neighboring drilling 2 is 15cm, and two drillings 2 at edge are tried away from concrete respectively
1 both sides of the edge of block distance is 5cm~10cm.
It should be noted that working as length H > 50cm of the concrete test block 1；The width W of the concrete test block 1 is full
Foot:When, concrete test block 1 belongs to small-size concrete test block, and larger drilling, 2 interval 15cm of drilling are chosen in drilling 2
It is drilled with, inducing concrete test block 1 is split, and guarantees that distress in concrete is formed.
In the present embodiment, the cement expansive material is calcium sulphoaluminate type cement expansive material.
In actual use, concrete test block 1 determines material and intensity according to concrete composition in Practical Project and intensity,
Cement expansive material uses calcium sulphoaluminate type cement expansive material, and calcium sulphoaluminate type cement expansive material not sodium salt should not draw
Alkali-aggregate reaction in concrete is played, using effect is good.
When the utility model is used, the iron wire 3 that two parallel settings are poured when concrete test block 1 makes, makes iron wire 3
It is integrated with 1 processing and fabricating of concrete test block, is bored on the direction vertical with two 3 place planes of iron wire on concrete test block 1
If a row hole drilling 2, cement expansive material is filled in each drilling 2, fills 2 inducing concrete of the drilling examination of cement expansive material
The direction that block 1 splits, iron wire 3 balance 1 stress of concrete test block in the forming process of distress in concrete, guarantee to mix after crack occurs
Solidifying soil test block 1 will not rupture into two, realize the function of simulating the dry in Practical Project and cost is low, effect
It is good.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (6)
1. a kind of distress in concrete model configuration, it is characterised in that: concrete test block (1) including cube structure and be cast in
Iron wire (3) in concrete test block (1), the top of concrete test block (1) are vertically drilled with multiple for penetration concrete expansion
The drilling (2) of agent, multiple drillings (2) are located at same row, and the straight line where iron wire (3) is perpendicular to flat where multiple drillings (2)
Face, the depth of drilling (2)Wherein, H is the thickness of concrete test block (1), and iron wire (3) is apart from concrete test block (1)
The height γ of bottom meets: the unit of 0 < γ < H-h, h, H and γ is cm.
2. a kind of distress in concrete model configuration described in accordance with the claim 1, it is characterised in that: the quantity of the iron wire (3)
Be two, height of two iron wires (3) apart from concrete test block (1) bottom is equal, the diameter of iron wire (3) be 0.5cm~
1.0cm。
3. a kind of distress in concrete model configuration described in accordance with the claim 1, it is characterised in that: the concrete test block (1)
Length L meet: 30cm≤L≤50cm；The width W of the concrete test block (1) meets:Drilling
(2) quantity is three, and one of drilling (2) is located at concrete test block (1) top center, remaining two drillings (2)
It is respectively 5cm~10cm away from concrete test block (1) both sides of the edge distance.
4. a kind of distress in concrete model configuration described in accordance with the claim 1, it is characterised in that: the concrete test block (1)
Length H > 50cm；The width W of the concrete test block (1) meets:The quantity of drilling (2) is greater than three, phase
The spacing distance of adjacent two drillings (2) is 15cm, two drillings (2) at edge respectively away from concrete test block (1) both sides of the edge away from
From for 5cm~10cm.
5. a kind of distress in concrete model configuration described in accordance with the claim 1, it is characterised in that: the diameter of the drilling (2)
For 15mm~30mm.
6. a kind of distress in concrete model configuration described in accordance with the claim 1, it is characterised in that: the cement expansive material is
Calcium sulphoaluminate type cement expansive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124664.7U CN209486108U (en) | 2019-01-24 | 2019-01-24 | A kind of distress in concrete model configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124664.7U CN209486108U (en) | 2019-01-24 | 2019-01-24 | A kind of distress in concrete model configuration |
Publications (1)
| Publication Number | Publication Date |
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| CN209486108U true CN209486108U (en) | 2019-10-11 |
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ID=68132519
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920124664.7U Expired - Fee Related CN209486108U (en) | 2019-01-24 | 2019-01-24 | A kind of distress in concrete model configuration |
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| CN (1) | CN209486108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415175A (en) * | 2020-12-15 | 2021-02-26 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
| CN114622740A (en) * | 2022-04-06 | 2022-06-14 | 绍兴文理学院 | Method for self-making concrete cracks and partial grouting |
-
2019
- 2019-01-24 CN CN201920124664.7U patent/CN209486108U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415175A (en) * | 2020-12-15 | 2021-02-26 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
| CN112415175B (en) * | 2020-12-15 | 2023-01-06 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
| CN114622740A (en) * | 2022-04-06 | 2022-06-14 | 绍兴文理学院 | Method for self-making concrete cracks and partial grouting |
| CN114622740B (en) * | 2022-04-06 | 2023-12-08 | 绍兴文理学院 | Homemade concrete crack and partial grouting method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710075 No. 60, Gaoxin Sixth Road, high tech Zone, Xi'an, Shaanxi Patentee after: Xi'an Highway Research Institute Co.,Ltd. Patentee after: CHANG'AN University Address before: 710065 No.60, Gaoxin 6th Road, high tech Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN HIGHWAY INSTITUTE Patentee before: Chang'an University |
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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: 20191011 Termination date: 20220124 |