CN105386588A - Method for arranging expansion joints in concrete embedded part - Google Patents
Method for arranging expansion joints in concrete embedded part Download PDFInfo
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- CN105386588A CN105386588A CN201510912575.5A CN201510912575A CN105386588A CN 105386588 A CN105386588 A CN 105386588A CN 201510912575 A CN201510912575 A CN 201510912575A CN 105386588 A CN105386588 A CN 105386588A
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Abstract
The invention belongs to the field of casting construction of concrete embedded parts, and particularly discloses a method for arranging expansion joints in a concrete embedded part. The method comprises the following steps: casting concrete, arranging an embedded part on the surface of the concrete and carrying out surface finishing on the concrete. In the process of carrying out surface finishing on the concrete, a plate type tool, close to the side of an exposed surface of the embedded part, is vertically inserted into the concrete, and the plate type tool is taken out after the concrete is initially set; and depth of inserting the plate type tool into the concrete is equal to the thickness of the embedded part. Under the control of the plate type tool, the method guarantees that the expansion joints in the embedded part are consistent in width and depth while damages to the embedded part are avoided; the expansion joints are reserved during the surface finishing of the concrete, so that the construction time is saved, the construction cost is reduced, the construction is convenient, the operation is simple, the construction quality is guaranteed, and popularization and application are easy.
Description
Technical field
The invention belongs to concrete embedded part pouring construction field, specifically disclose a kind of method that concrete embedded part arranges shrinkage joint.
Background technology
In concreting engineering, often there are some crackles due to many-sided reason in monolithic reinforced concrete structure, therefore, the emergence and development differentiated crackle, analyze crackle, control crackle, and the generation of crackle is effectively prevented, the globality and normal use ensureing concrete structure is had great importance.
Prefabricated units install time built-in fitting because of welding measure improper, the crackle that near built-in fitting, concrete produces is made to be a kind of Temperature Cracks, the method preventing this crackle from producing is, make to take the measures such as staged and layered welding in welding, and heat insulation process is carried out to the concrete around built-in fitting, prevent local concrete from cracking because temperature is too high.
During Guo Wang company substation equipment basis built-in fitting, when requiring that built-in fitting surrounding arranges shrinkage joint to prevent equipment from welding, built-in fitting expands with heat and contract with cold and causes base surface to ftracture; The way in the past arranging shrinkage joint around built-in fitting is all build after mixed earth form removal until built-in fitting to play glue along saw kerf around built-in fitting, this way one is the degree of depth at wayward shrinkage joint, especially the degree of depth at shrinkage joint, corner, two easily saw when being saw kerfs and hinder built-in fitting, cause zinc coat to destroy to get rusty, three is time-consuming.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of method that concrete embedded part arranges shrinkage joint, can avoid completely producing built-in fitting in operating process damaging, and facilitate simultaneously and control the degree of depth at shrinkage joint.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Concrete embedded part arranges the method at shrinkage joint, comprise concreting, built-in fitting is set on concrete and by the process of concrete-face closure, it is characterized in that: in the process of concrete-face closure, vertically insert concrete with the limit that template instrument is adjacent to built-in fitting exposed face, and after concrete initial set, template instrument is taken out, it is equal with the thickness of built-in fitting that described template instrument inserts the concrete degree of depth.
The further improvement of technical solution of the present invention is: it is receive in the process in face in concrete second time that concrete is vertically inserted on the limit that described template instrument is adjacent to built-in fitting exposed face.
The further improvement of technical solution of the present invention is: the thickness of described template instrument is 3 ~ 10mm.
The further improvement of technical solution of the present invention is: the top of described template instrument arranges handle.
The further improvement of technical solution of the present invention is: described template instrument arranges graduation mark on the vertical direction of lateral surface.
Owing to have employed technique scheme, the beneficial effect that the present invention obtains is:
The present invention ensures that under the control of template instrument the built-in fitting shrinkage joint width depth is consistent, and can not produce damage to built-in fitting, reserves shrinkage joint when mixed earth receives face, save the engineering time, reduce construction cost, and easy construction, simple to operate, guarantee construction quality, easily apply.
The thickness of template instrument of the present invention is the width of preset slot, ensures built-in fitting expanded by heating space; It is equal with the thickness of built-in fitting that template instrument inserts the concrete degree of depth, avoids built-in fitting expanded by heating to cause damage to concrete; In template tool tip, handle handled easily is set; And on the minor face of template instrument rectangular surfaces, longitudinally graduation mark being set, the concrete degree of depth is inserted in convenient observation.
Accompanying drawing explanation
Fig. 1 is the perspective view of built-in fitting in concrete after the present invention constructs;
Fig. 2 is the perspective view of template instrument in the present invention.
Wherein: 1, built-in fitting, 2, concrete, 3, template instrument, 3-1, handle, 3-2, graduation mark.
Detailed description of the invention
As shown in Figure 1, the steel plate that built-in fitting 1 adopts should use Plasma cutting machine blanking, and with controlling distortion, steel plate surrounding polishes smooth smooth by the complete Angle polishing machine of blanking, built-in fitting 1 is arranged on the inside above concrete 2, the built-in fitting that leaks outside adopts galvanized part, concrete 2 is built and after having vibrated, surface will by engine request process, way repeatedly to be pressed on concrete 2 surface with plasterer's trowel or wood float exactly and is smeared, until reach any surface finish requirement needed for engineering, this process is called concrete 2 and receives face, general receipts face wants two to three times, once face is received after having vibrated, first receipts face is in order to by concrete 2 surface evening or meet the requirements of planform, the most important thing is initial set first few minutes to receive second time face, mainly ensure concrete 2 any surface finish and prevent concrete 2 surface after surface moisture evaporation from producing shrinkage crack, complete second time and receive the concrete 2 face smoother in face and not easily crack.
As shown in Figure 1 and Figure 2, in face of receiving to third time in face of concrete 2 second time is received during this period of time, concrete 2 has certain shape but does not solidify completely, this period vertically inserts concrete 2 with the limit that template instrument 3 is adjacent to built-in fitting 1 exposed face, and by repeatedly inserting and release the degree of depth of checking and inserting concrete 2, the degree of depth that control template instrument 3 inserts concrete 2 is equal with the thickness of built-in fitting 1, and the expansion of the built-in fitting 1 when built-in fitting 1 surface soldered can not be impacted concrete; Then taken out by template instrument 3 after concrete 2 initial set, now on concrete 2, built-in fitting 1 periphery just leaves the shrinkage joint of template instrument 3 thickness.
Technical solution of the present invention is improved concrete 2 further and is wrapped in around built-in fitting 1 when second time receives face with template instrument 3, now concrete 2 just the shaping template instrument 3 that makes can insert more easily, concrete 2 is also unlikely to too rare and the shrinkage joint generation distortion making just to have arranged that causes flowing simultaneously, is the time of best insertion template instrument 3.
The thickness that technical solution of the present invention improves template instrument 3 is further 3 ~ 10mm, and the thickness of template instrument 3 is the width of preset slot, because the coefficient of expansion of steel plate is up to 15 × 10
-6, so the maximum swelling amount of difference variation lower steel plate within 600 DEG C is 0.009 times of its length of side, the length of side of usual built-in fitting 1 steel plate is within 300mm ~ 1100mm, therefore the width of preset slot 3 ~ 10mm can meet the expansion space of built-in fitting 1 steel plate.
The top that technical solution of the present invention improves template instrument 3 is further provided with handle 3-1, facilitates the operation of template instrument 3.
Technical solution of the present invention is improved template instrument 3 further and is arranged graduation mark 3-2 at the vertical direction of lateral surface, make template instrument 3 insert the concrete degree of depth directly to read from graduation mark 3-2, the method need not observed by repeatedly taking out template instrument 3 controls to insert the degree of depth of concrete 2, just can the degree of depth at control shrinkage joint.
Below in conjunction with embodiment, the present invention is described in further details:
Embodiment 1
Arranging built-in fitting 1 steel plate is the rectangular configuration that the length of side is respectively 300mm and 500mm, and steel plate thickness is 2mm, is two kinds of 3mm and 5mm to the thickness of this selection template instrument 3.
Concrete 2 is vertically inserted with the limit that template instrument 3 is adjacent to built-in fitting 1 when concrete 2 second time receives face, the severity control that template instrument 3 inserts concrete 2 is equal with steel plate thickness at 2mm, be adjacent to the built-in fitting 1 long limit of the 500mm in face that leaks outside with the template instrument that 3mm is thick and vertically insert concrete, be adjacent to the built-in fitting 1 long limit of the 300mm in face that leaks outside with the template instrument that 5mm is thick and vertically insert concrete, the second time of simultaneously carrying out concrete 2 receives face, then after concrete 2 initial set, template instrument 3 is taken out, the periphery being so adjacent to built-in fitting 1 on concrete 2 just leaves the shrinkage joint of template instrument 3 thickness.
Embodiment 2
Arranging built-in fitting 1 steel plate is the rectangular configuration that the length of side is respectively 500mm and 1000mm, and steel plate thickness is 5mm, is two kinds of 5mm and 10mm to the thickness of this selection template instrument 3.
Concrete 2 is vertically inserted with the limit that template instrument 3 is adjacent to built-in fitting 1 when concrete 2 second time receives face, the severity control that template instrument 3 inserts concrete 2 is equal with steel plate thickness at 5mm, be adjacent to the built-in fitting 1 long limit of the 1000mm in face that leaks outside with the template instrument that 5mm is thick and vertically insert concrete, be adjacent to the built-in fitting 1 long limit of the 500mm in face that leaks outside with the template instrument that 10mm is thick and vertically insert concrete, the second time of simultaneously carrying out concrete 2 receives face, then after concrete 2 initial set, template instrument 3 is taken out, the periphery being so adjacent to built-in fitting 1 on concrete 2 just leaves the shrinkage joint of template instrument 3 thickness.
Claims (5)
1. concrete embedded part arranges the method at shrinkage joint, comprise concreting (2), built-in fitting (1) is set on concrete (2) and concrete (2) is received the process in face, it is characterized in that: receive at concrete (2) in the process in face and vertically insert concrete (2) with the limit that template instrument (3) is adjacent to built-in fitting (1) exposed face, and after concrete (2) initial set, template instrument (3) is taken out, the degree of depth that described template instrument (3) inserts concrete (2) is equal with the thickness of built-in fitting (1).
2. concrete embedded part according to claim 1 arranges the method at shrinkage joint, it is characterized in that: it is receive in the process in face in concrete (2) second time that concrete (2) is vertically inserted on the limit that described template instrument (3) is adjacent to built-in fitting (1) exposed face.
3. concrete embedded part according to claim 1 arranges the method at shrinkage joint, it is characterized in that: the thickness of described template instrument (3) is 3 ~ 10mm.
4. concrete embedded part according to any one of claim 1 to 3 arranges the method at shrinkage joint, it is characterized in that: the top of described template instrument (3) arranges handle (3-1).
5. concrete embedded part according to any one of claim 1 to 3 arranges the method at shrinkage joint, it is characterized in that: described template instrument (3) arranges graduation mark (3-2) on the vertical direction of lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912575.5A CN105386588B (en) | 2015-12-11 | 2015-12-11 | The method that concrete embedded part sets expansion joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912575.5A CN105386588B (en) | 2015-12-11 | 2015-12-11 | The method that concrete embedded part sets expansion joint |
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| Publication Number | Publication Date |
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| CN105386588A true CN105386588A (en) | 2016-03-09 |
| CN105386588B CN105386588B (en) | 2018-01-19 |
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| CN201510912575.5A Active CN105386588B (en) | 2015-12-11 | 2015-12-11 | The method that concrete embedded part sets expansion joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284355A (en) * | 2016-08-03 | 2017-01-04 | 中国航天建设集团有限公司 | The mass concrete technological facilities construction method that steel plate built-in fitting binds |
| CN108868065A (en) * | 2018-06-20 | 2018-11-23 | 中国建筑第七工程局有限公司 | Equipment, method is stayed in a kind of construction of concrete floor expansion joint |
| CN114033087A (en) * | 2021-11-02 | 2022-02-11 | 郑州祥和集团有限公司 | Construction method of embedded part of transformer substation |
Citations (4)
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| DE19843373A1 (en) * | 1998-09-22 | 2000-03-23 | Frank Breul | Construction method for bridge or part of bridge uses shuttering boards as lost shuttering to reduce construction costs |
| CN103147570A (en) * | 2013-03-28 | 2013-06-12 | 张德涛 | Die for making pre-drilled threaded hole of concrete member and method for making pre-drilled threaded hole |
| CN103510511A (en) * | 2013-09-26 | 2014-01-15 | 鸿厦建设有限公司 | Top-reinforced cast-in-place concrete thin-wall pipe pile and construction method |
| CN104294729A (en) * | 2014-08-25 | 2015-01-21 | 四川金锋建设有限公司 | Method for constructing concrete pavement |
-
2015
- 2015-12-11 CN CN201510912575.5A patent/CN105386588B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843373A1 (en) * | 1998-09-22 | 2000-03-23 | Frank Breul | Construction method for bridge or part of bridge uses shuttering boards as lost shuttering to reduce construction costs |
| CN103147570A (en) * | 2013-03-28 | 2013-06-12 | 张德涛 | Die for making pre-drilled threaded hole of concrete member and method for making pre-drilled threaded hole |
| CN103510511A (en) * | 2013-09-26 | 2014-01-15 | 鸿厦建设有限公司 | Top-reinforced cast-in-place concrete thin-wall pipe pile and construction method |
| CN104294729A (en) * | 2014-08-25 | 2015-01-21 | 四川金锋建设有限公司 | Method for constructing concrete pavement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284355A (en) * | 2016-08-03 | 2017-01-04 | 中国航天建设集团有限公司 | The mass concrete technological facilities construction method that steel plate built-in fitting binds |
| CN108868065A (en) * | 2018-06-20 | 2018-11-23 | 中国建筑第七工程局有限公司 | Equipment, method is stayed in a kind of construction of concrete floor expansion joint |
| CN114033087A (en) * | 2021-11-02 | 2022-02-11 | 郑州祥和集团有限公司 | Construction method of embedded part of transformer substation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105386588B (en) | 2018-01-19 |
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