CN108239904A - A kind of cement concrete crack resistence layer structure and construction method - Google Patents
A kind of cement concrete crack resistence layer structure and construction method Download PDFInfo
- Publication number
- CN108239904A CN108239904A CN201611215009.XA CN201611215009A CN108239904A CN 108239904 A CN108239904 A CN 108239904A CN 201611215009 A CN201611215009 A CN 201611215009A CN 108239904 A CN108239904 A CN 108239904A
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- China
- Prior art keywords
- cement concrete
- crack resistence
- layer structure
- plate
- preformed plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of cement concrete crack resistence layer structures, belong to field of civil engineering.Including preformed plate and new joints cement concrete topping, preformed plate is set between new joints cement concrete topping and existing building.Preformed plate is fixed by prefabricated fixed form, and preformed plate is identical with the height of new joints cement concrete topping, and prefabricated fixed form is identical with the height of new joints cement concrete topping.The beneficial effects of the invention are as follows different environment can be directed to, take different measures, can effective pre- crack resistence, prevent quality problems.It avoids causing claim for eot and economic loss because of doing over again.
Description
Technical field
The invention belongs to field of civil engineering, more particularly, to a kind of cement concrete crack resistence layer structure.
Background technology
At present during Portland Cement Concrete Surface Course near construction of existing building, since designing unit generally says without crack resistence
Bright, some units in charge of construction also do not focus on crack resistence, in addition differential settlement or new joints cement coagulation near existing building
The reason of native face layer expands with heat and contract with cold, the various aspects such as air humidity and construction material construction method, it is easy to cause newly to pour
Portland Cement Concrete Surface Course cracking, influence beautiful when cracking situation is lighter, influence to use function when situation is serious.
Invention content
The problem to be solved in the present invention is to provide a kind of cement concrete crack resistence layer structure, for different environment, adopts
Different measures is taken, effective pre- crack resistence.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Including preformed plate and new joints cement coagulation
Native face layer, the preformed plate are set between the new joints cement concrete topping and existing building, and the preformed plate leads to
It crosses prefabricated fixed form to fix, the preformed plate is identical with the height of the new joints cement concrete topping, described prefabricated solid
Solid plate is identical with the height of the new joints cement concrete topping.
Preferably, the new joints cement concrete topping top setting tension reinforcement.
Preferably, the tension reinforcement is one or more layers.
Preferably, the short transverse of the prefabricated fixed form is fixed using upper and lower tongue and groove overlap joint blending bolt.
Preferably, the preformed plate is elastic material board.
Preferably, the thickness of the preformed plate is 10-30mm.
Preferably, the thickness of the preformed plate is 20mm.
Preferably, the elastic material board is extruded polystyrene board or cystosepiment.
Preferably, preservative treatment is done before the extruded polystyrene board or cystosepiment installation.
A kind of construction method of cement concrete crack resistence layer structure, specifically comprises the following steps：
A, preformed plate is installed in the side for being close to existing building；
B, prefabricated fixed form is installed in the opposite side of preformed plate；
C, prefabricated fixed form is laid with tension reinforcement close to joints cement concrete topping side；
D, joints cement concrete topping.
The invention has the advantages and positive effects that：Due to the adoption of the above technical scheme, it for different environment, takes
Different measures, can effective pre- crack resistence, prevent quality problems, causing to do over again in turn results in duration or economic loss.
Description of the drawings
Fig. 1 is the structure diagram of the present invention
In figure：
1st, existing building 2, new joints cement concrete topping 3, preformed plate
4th, tension reinforcement 5, prefabricated fixed form 6, bolt
Specific embodiment
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings
As shown in Figure 1, a kind of cement concrete crack resistence layer structure of the present embodiment, including preformed plate 3 and new joints cement
Concrete topping 2, preformed plate 3 are set between new joints cement concrete topping 2 and existing building 1, and preformed plate 3 is by pre-
Fixed form 5 processed is fixed, and preformed plate 3 is identical with the height of new joints cement concrete topping 2, prefabricated fixed form 5 and is newly poured
The height for building Portland Cement Concrete Surface Course 2 is identical.
Due to expanding with heat and contract with cold during new joints cement concrete topping 2 near existing building, air humidity etc. is easily made
The Portland Cement Concrete Surface Course 2 that Cheng Xin is poured cracks, when between the ground of new joints cement concrete topping and existing building 1
Differential settlement very hour, differential settlement is in below 10mm, and before joints cement concrete topping 2, coagulation is poured newly
Preformed plate 3 is set between native face layer 2 and existing building 1, preformed plate 3 can bear larger outer force-disturbance and deflection, subtract
Less to cement concrete layer structural damage power.
Preformed plate 3 is fixed by prefabricated fixed form 5, and prefabricated fixed form 5 clamps preformed plate 3, and prefabricated fixed form 5 can
With the height according to building, several pieces are made, the short transverse of prefabricated fixed form 5 overlaps blending bolt using upper and lower tongue and groove
6 fix, and specific practice is that the joint of upper and lower two pieces prefabricated fixed forms 5 is processed into tongue and groove, and according to one on tongue and groove
Determining deviation, which stays, sets bolt hole, and when prefabricated fixed form connects high, the tongue and groove of upper and lower two pieces of prefabricated fixed forms 5 matches, and make
After bolt hole matches, fixed with 6 nut of bolt, prefabricated fixed form 5 can be concrete be made or other
Material is made, if prefabricated fixed form 5 made of concrete material, then the later stage do not need to reject, to make prefabricated stent
Plate 5 is easy for installation, and every piece of prefabricated fixed form 5 should not be too large, in order to workers carry installation be advisable, height control 2 meters with
Inside it is advisable, and avoids the trouble removed after concrete formation.
Preformed plate 3 and the same height of the Portland Cement Concrete Surface Course 2 newly poured.Preformed plate 3 is elastic material board, preformed plate 3
Thickness is 10-30mm, and the thickness of most preferred preformed plate 3 is 20mm, because the thickness of general expansion joint (E.J.) is 20mm, selects 20mm thick
Preformed plate 3 can promote the retractility of crack resistence layer mechanism and stress resistance.Preformed plate 3 can be extruded polystyrene board, also may be used
To be cystosepiment, extruded polystyrene board and cystosepiment are all elastic material boards, and extruded polystyrene board or cystosepiment are done before the mounting
Preservative treatment selects extruded polystyrene board or cystosepiment of the thickness for 20mm, is close to prefabricated fixed form and is installed, installation process
In should slowly carry out, prevent elastic material board from damaging, elastic material board is rejected in the later stage, then pours into filleting pitch ointment.
When differential settlement reaches 10mm between the ground and existing building of new joints cement concrete topping 2, this
When differential settlement it is larger, before joints cement concrete topping, except in new joints cement concrete topping 2 and existing building
Increase outside preformed plate 3 between object 1, portion's tension reinforcement 4 can be added in the concrete topping 2 newly poured.Tension reinforcement 4 can be one
Layer or multilayer improve the whole cracking resistance intensity of crack resistence layer structure, effectively alleviate in new joints cement concrete topping 2
The shrinkage stress of portion's structure.Crack resistence protective layer is laid on the top of Portland Cement Concrete Surface Course 2, and the cement newly poured is protected to mix
Solidifying soil face layer connect firm with existing building.Tension reinforcement 4 can be individually longitudinal or transversely arranged, can also be two-way more
Layer criss-cross arrangement, is effectively improved overall structure breaking resistance, prevents from cracking.Reinforcing bar strengthens ranging from 2m, and reinforcing bar adds
Strong range specifically sees the influence width of inhering architecture differential settlement.
The beneficial effects of the invention are as follows：A kind of crack resistence Portland Cement Concrete Surface Course being cast in around existing building.Energy
Effective pre- crack resistence, prevents quality problems, causing to do over again in turn results in duration or economic loss.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be construed as limiting the practical range of the present invention.All all the changes and improvements made according to the present patent application range
Deng, should all still belong to the present invention patent covering scope within.
Claims (10)
1. a kind of cement concrete crack resistence layer structure, it is characterised in that：Including preformed plate and new joints cement concrete topping,
The preformed plate is set between the new joints cement concrete topping and existing building, and the preformed plate passes through prefabricated solid
Solid plate is fixed, and the preformed plate is identical with the height of the new joints cement concrete topping, the prefabricated fixed form and
The height of the new joints cement concrete topping is identical.
2. a kind of cement concrete crack resistence layer structure according to claim 1, it is characterised in that：The new joints cement
Setting tension reinforcement in concrete topping.
3. a kind of cement concrete crack resistence layer structure according to claim 2, it is characterised in that：The tension reinforcement is
One or more layers.
4. a kind of cement concrete crack resistence layer structure according to claim 1, it is characterised in that：The prefabricated stent
The short transverse of plate is fixed using upper and lower tongue and groove overlap joint blending bolt.
5. a kind of cement concrete crack resistence layer structure according to claim 1, it is characterised in that：The preformed plate is bullet
Property plate of material.
6. according to a kind of any cement concrete crack resistence layer structures of claim 1-5, it is characterised in that：It is described reserved
The thickness of plate is 10-30mm.
7. according to a kind of any cement concrete crack resistence layer structures of claim 1-5, it is characterised in that：It is described reserved
The thickness of plate is 20mm.
8. a kind of cement concrete crack resistence layer structure according to claim 5, it is characterised in that：The elastic material board
For extruded polystyrene board or cystosepiment.
9. a kind of cement concrete crack resistence layer structure according to claim 8, it is characterised in that：The extruded polystyrene board
Or do preservative treatment before cystosepiment installation.
10. a kind of construction method of cement concrete crack resistence layer structure, it is characterised in that specifically comprise the following steps：
A, preformed plate is installed in the side for being close to existing building；
B, prefabricated fixed form is installed in the opposite side of preformed plate；
C, prefabricated fixed form is laid with tension reinforcement close to joints cement concrete topping side；
D, joints cement concrete topping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215009.XA CN108239904A (en) | 2016-12-26 | 2016-12-26 | A kind of cement concrete crack resistence layer structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215009.XA CN108239904A (en) | 2016-12-26 | 2016-12-26 | A kind of cement concrete crack resistence layer structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108239904A true CN108239904A (en) | 2018-07-03 |
Family
ID=62703668
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215009.XA Pending CN108239904A (en) | 2016-12-26 | 2016-12-26 | A kind of cement concrete crack resistence layer structure and construction method |
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| Country | Link |
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| CN (1) | CN108239904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676748A (en) * | 2020-05-25 | 2020-09-18 | 杭州萧山水利建筑工程有限公司 | Construction method of ecological pervious concrete pavement |
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| US4362430A (en) * | 1979-08-13 | 1982-12-07 | Ceintrey M | Wabocrete FMV |
| CN101050619A (en) * | 2006-04-04 | 2007-10-10 | 吴方伯 | Constructing method for cement concrete road surface |
| CN101634129A (en) * | 2009-08-04 | 2010-01-27 | 扬州大学 | Method for treating corbel with longitudinal crack in riverine highway |
| CN102155086A (en) * | 2011-04-25 | 2011-08-17 | 巨石集团有限公司 | Method for pouring house grade level |
| CN103470044A (en) * | 2013-07-03 | 2013-12-25 | 天津二十冶建设有限公司 | Construction method capable of controlling cracks in concrete floor |
| CN103628682A (en) * | 2013-12-09 | 2014-03-12 | 天津市建工工程总承包有限公司 | Construction method of crack resistant structure of root of independent steel column for large-area concrete ground |
| CN204112506U (en) * | 2014-07-29 | 2015-01-21 | 舒阳 | A kind of construction joint structure for concrete block placement |
| CN204311700U (en) * | 2014-11-25 | 2015-05-06 | 福州皇家地坪有限公司 | Beam column built from concrete periphery epoxide terrace crack resistence structure |
| CN105862545A (en) * | 2016-05-30 | 2016-08-17 | 皇玉彬 | Concrete ground as well as construction tool and construction method thereof |
-
2016
- 2016-12-26 CN CN201611215009.XA patent/CN108239904A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362430A (en) * | 1979-08-13 | 1982-12-07 | Ceintrey M | Wabocrete FMV |
| CN101050619A (en) * | 2006-04-04 | 2007-10-10 | 吴方伯 | Constructing method for cement concrete road surface |
| CN101634129A (en) * | 2009-08-04 | 2010-01-27 | 扬州大学 | Method for treating corbel with longitudinal crack in riverine highway |
| CN102155086A (en) * | 2011-04-25 | 2011-08-17 | 巨石集团有限公司 | Method for pouring house grade level |
| CN103470044A (en) * | 2013-07-03 | 2013-12-25 | 天津二十冶建设有限公司 | Construction method capable of controlling cracks in concrete floor |
| CN103628682A (en) * | 2013-12-09 | 2014-03-12 | 天津市建工工程总承包有限公司 | Construction method of crack resistant structure of root of independent steel column for large-area concrete ground |
| CN204112506U (en) * | 2014-07-29 | 2015-01-21 | 舒阳 | A kind of construction joint structure for concrete block placement |
| CN204311700U (en) * | 2014-11-25 | 2015-05-06 | 福州皇家地坪有限公司 | Beam column built from concrete periphery epoxide terrace crack resistence structure |
| CN105862545A (en) * | 2016-05-30 | 2016-08-17 | 皇玉彬 | Concrete ground as well as construction tool and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676748A (en) * | 2020-05-25 | 2020-09-18 | 杭州萧山水利建筑工程有限公司 | Construction method of ecological pervious concrete pavement |
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Application publication date: 20180703 |
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