CN106917338A - Cement concrete pavement joint-cutting method - Google Patents
Cement concrete pavement joint-cutting method Download PDFInfo
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- CN106917338A CN106917338A CN201710152950.XA CN201710152950A CN106917338A CN 106917338 A CN106917338 A CN 106917338A CN 201710152950 A CN201710152950 A CN 201710152950A CN 106917338 A CN106917338 A CN 106917338A
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- Prior art keywords
- cutting
- joint
- parts
- cement concrete
- concrete pavement
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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
- E01C11/06—Methods of making joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of cement concrete pavement joint-cutting method, joint-cutting is carried out stage by stage so that the inside of cement concrete pavement is adequately cooled and solidifies, and joint-cutting is neatly without flash, is not in unnecessary crack while internal stress can fully be discharged.
Description
Technical field
The invention belongs to building field, more particularly to a kind of cement concrete pavement joint-cutting method.
Background technology
Cement concrete pavement refers to the road surface for doing surface layer as main material with concrete, and abbreviation concrete road surface is one
Plant high class pavement.But, concrete has a shrinkage, and road deck surface crack can occur because of contraction, how control table facial cleft
Seam is a great problem of concrete road surface, and Normal practice is stitched to set contracting.Conventional contracting seam is cut out using grooving machine
Joint-cutting, but joint-cutting can because road deck in reinforcing bar presence and cannot farthest play its effect.
The content of the invention
To solve the above problems, the present invention provides a kind of cement concrete pavement joint-cutting method, and it is comprised the following steps：
Step one
Joint-cutting grid is divided according to the cement concrete pavement for treating joint-cutting first, and in the cement concrete for treating joint-cutting
Joint-cutting grid described in road surface identification；
Step 2
Cut first after after the concrete road surface solidification 25h-38h of joint-cutting, depth of cut treats joint-cutting for described first
/ 3rd of the thickness of cement concrete pavement；
Secondary cut is carried out after 7h-10h, the depth of secondary cut is the thickness for treating joint-cutting cement concrete pavement
A quarter；
Three cuttings are carried out after 2h-3h, the depth of three cuttings is the thickness for treating joint-cutting cement concrete pavement
1/6th；
Step 3
Filler is inserted in joint-cutting.
Preferably, in described cement concrete pavement joint-cutting method,
Width of the width for cutting first more than the secondary cut；
The width of the secondary cut is more than the described three times width of cutting.
Preferably, in described cement concrete pavement joint-cutting method, the step 3 includes：
Sandstone and other pollutants in joint-cutting are removed, is rinsed repeatedly with water, and dried up with compressed air；
Back lining materials are filled in into joint-cutting bottom, during filler clamp-oned into joint-cutting with caulking gun or pouring machine.
Preferably, in described cement concrete pavement joint-cutting method, it is following that described filler includes by weight
Component：
PPG 60-80 parts, methyl diphenylene diisocyanate 40-50 parts, hemp stalk core lignocellulosic in middle glue 10-18
Part, nylon 5-10 parts, light stabilizer 2-10 parts, inorganic nanometer oxide 1-6 parts, antioxidant 10-20 parts, 1-6 parts of sledge mill glass,
Coupling agent 2-8 parts, dimethylbenzene 6-10 parts, frothing inhibitor 1-5 parts, waterproofing agent 3-10 parts.
The present invention provides a kind of cement concrete pavement joint-cutting method, joint-cutting is carried out stage by stage so that cement concrete
The inside on road surface is adequately cooled and solidifies, and joint-cutting, while internal stress can fully be discharged, is not in neatly without flash
Unnecessary crack.
Further advantage of the invention, target and feature embody part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
The present invention is described in further detail below, with make those skilled in the art with reference to specification word being capable of evidence
To implement.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
Embodiment one
The present invention provides a kind of cement concrete pavement joint-cutting method, and it is comprised the following steps：
Step one
Joint-cutting grid is divided according to the cement concrete pavement for treating joint-cutting first, and in the cement concrete for treating joint-cutting
Joint-cutting grid described in road surface identification；
Step 2
Cut first after after the concrete road surface solidification 25h of joint-cutting, depth of cut treats joint-cutting cement for described first
/ 3rd of the thickness of concrete road surface；
Secondary cut is carried out after 7h, the depth of secondary cut is the four of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Three cuttings are carried out after 2h, the depth of three cuttings is the six of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Step 3
Filler is inserted in joint-cutting.
In described cement concrete pavement joint-cutting method,
Width of the width for cutting first more than the secondary cut；
The width of the secondary cut is more than the described three times width of cutting.
In described cement concrete pavement joint-cutting method, the step 3 includes：
Sandstone and other pollutants in joint-cutting are removed, is rinsed repeatedly with water, and dried up with compressed air；
Back lining materials are filled in into joint-cutting bottom, during filler clamp-oned into joint-cutting with caulking gun or pouring machine.
In described cement concrete pavement joint-cutting method, described filler includes following components by weight：
60 parts of PPG, 40 parts of methyl diphenylene diisocyanate, 10 parts of hemp stalk core lignocellulosic in middle glue, nylon 5
Part, 2 parts of light stabilizer, 1 part of inorganic nanometer oxide, 10 parts of antioxidant, 1 part of sledge mill glass, 2 parts of coupling agent, 6 parts of dimethylbenzene,
1 part of frothing inhibitor, 3 parts of waterproofing agent.
Embodiment two
The present invention provides a kind of cement concrete pavement joint-cutting method, and it is comprised the following steps：
Step one
Joint-cutting grid is divided according to the cement concrete pavement for treating joint-cutting first, and in the cement concrete for treating joint-cutting
Joint-cutting grid described in road surface identification；
Step 2
Cut first after after the concrete road surface solidification 25h-38h of joint-cutting, depth of cut treats joint-cutting for described first
/ 3rd of the thickness of cement concrete pavement；
Secondary cut is carried out after 10h, the depth of secondary cut is the thickness for treating joint-cutting cement concrete pavement
A quarter；
Three cuttings are carried out after 3h, the depth of three cuttings is the six of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Step 3
Filler is inserted in joint-cutting.
In described cement concrete pavement joint-cutting method,
Width of the width for cutting first more than the secondary cut；
The width of the secondary cut is more than the described three times width of cutting.
In described cement concrete pavement joint-cutting method, the step 3 includes：
Sandstone and other pollutants in joint-cutting are removed, is rinsed repeatedly with water, and dried up with compressed air；
Back lining materials are filled in into joint-cutting bottom, during filler clamp-oned into joint-cutting with caulking gun or pouring machine.
In described cement concrete pavement joint-cutting method, described filler includes following components by weight：
80 parts of PPG, 50 parts of methyl diphenylene diisocyanate, 18 parts of hemp stalk core lignocellulosic in middle glue, nylon 10
Part, 10 parts of light stabilizer, 6 parts of inorganic nanometer oxide, 20 parts of antioxidant, 6 parts of sledge mill glass, 8 parts of coupling agent, dimethylbenzene 10
Part, 5 parts of frothing inhibitor, 10 parts of waterproofing agent.
Embodiment three
The present invention provides a kind of cement concrete pavement joint-cutting method, and it is comprised the following steps：
Step one
Joint-cutting grid is divided according to the cement concrete pavement for treating joint-cutting first, and in the cement concrete for treating joint-cutting
Joint-cutting grid described in road surface identification；
Step 2
Cut first after after the concrete road surface solidification 29h of joint-cutting, depth of cut treats joint-cutting cement for described first
/ 3rd of the thickness of concrete road surface；
Secondary cut is carried out after 8h, the depth of secondary cut is the four of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Three cuttings are carried out after 2h, the depth of three cuttings is the six of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Step 3
Filler is inserted in joint-cutting.
In described cement concrete pavement joint-cutting method,
Width of the width for cutting first more than the secondary cut；
The width of the secondary cut is more than the described three times width of cutting.
In described cement concrete pavement joint-cutting method, the step 3 includes：
Sandstone and other pollutants in joint-cutting are removed, is rinsed repeatedly with water, and dried up with compressed air；
Back lining materials are filled in into joint-cutting bottom, during filler clamp-oned into joint-cutting with caulking gun or pouring machine.
In described cement concrete pavement joint-cutting method, described filler includes following components by weight：
74 parts of PPG, 46 parts of methyl diphenylene diisocyanate, 12 parts of hemp stalk core lignocellulosic in middle glue, nylon 7
Part, 3 parts of light stabilizer, 5 parts of inorganic nanometer oxide, 15 parts of antioxidant, 3 parts of sledge mill glass, 6 parts of coupling agent, 9 parts of diformazan, hair
2 parts of inhibitor of bubble, 5 parts of waterproofing agent.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (4)
1. cement concrete pavement joint-cutting method, it is characterised in that comprise the following steps：
Step one
Joint-cutting grid is divided according to the cement concrete pavement for treating joint-cutting first, and in the cement concrete pavement for treating joint-cutting
Identify the joint-cutting grid；
Step 2
Cut first after after the concrete road surface solidification 25h-38h of joint-cutting, depth of cut treats joint-cutting cement for described first
/ 3rd of the thickness of concrete road surface；
Secondary cut is carried out after 7h-10h, the depth of secondary cut is the four of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Three cuttings are carried out after 2h-3h, the depth of three cuttings is the six of the thickness for treating joint-cutting cement concrete pavement
/ mono-；
Step 3
Filler is inserted in joint-cutting.
2. cement concrete pavement joint-cutting method as claimed in claim 1, it is characterised in that
Width of the width for cutting first more than the secondary cut；
The width of the secondary cut is more than the described three times width of cutting.
3. cement concrete pavement joint-cutting method as claimed in claim 1, it is characterised in that the step 3 includes：
Sandstone and other pollutants in joint-cutting are removed, is rinsed repeatedly with water, and dried up with compressed air；
Back lining materials are filled in into joint-cutting bottom, during filler clamp-oned into joint-cutting with caulking gun or pouring machine.
4. cement concrete pavement joint-cutting method as claimed in claim 1, it is characterised in that described filler is included by weight
The following components of meter：
PPG 60-80 parts, methyl diphenylene diisocyanate 40-50 parts, hemp stalk core lignocellulosic in middle glue 10-18 parts,
Nylon 5-10 parts, light stabilizer 2-10 parts, inorganic nanometer oxide 1-6 parts, antioxidant 10-20 parts, it is 1-6 parts of sledge mill glass, even
2-8 parts, dimethylbenzene 6-10 parts, frothing inhibitor 1-5 parts, waterproofing agent 3-10 parts of agent of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152950.XA CN106917338B (en) | 2017-03-15 | 2017-03-15 | Cement concrete pavement joint-cutting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152950.XA CN106917338B (en) | 2017-03-15 | 2017-03-15 | Cement concrete pavement joint-cutting method |
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| CN106917338A true CN106917338A (en) | 2017-07-04 |
| CN106917338B CN106917338B (en) | 2019-03-29 |
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| CN201710152950.XA Active CN106917338B (en) | 2017-03-15 | 2017-03-15 | Cement concrete pavement joint-cutting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811629A (en) * | 2019-01-24 | 2019-05-28 | 四汇建设集团有限公司 | A kind of reparation remodeling method of Old cement concrete |
| CN113201991A (en) * | 2021-04-22 | 2021-08-03 | 中冶南方城市建设工程技术有限公司 | Concrete pavement pre-crack construction method |
| CN114277638A (en) * | 2021-08-16 | 2022-04-05 | 宁波路宝科技实业集团有限公司 | Resin concrete shrinkage joint construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01174709A (en) * | 1987-12-28 | 1989-07-11 | Gakunan Koki Kk | Road zone line erasing device |
| KR20100111003A (en) * | 2009-04-06 | 2010-10-14 | 박승민 | Injection sealant and the construction way |
| CN102828464A (en) * | 2012-09-21 | 2012-12-19 | 河南万里路桥集团有限公司 | Cement concrete pavement Y-shaped joint cutting device and cut joint filling and sealing process |
| CN103334368A (en) * | 2013-06-17 | 2013-10-02 | 中铁四局集团有限公司 | Longitudinal cold joint construction method for large-area asphalt pavement |
| CN103452028A (en) * | 2013-09-06 | 2013-12-18 | 山东大学 | Method for repairing jointed cement concrete pavement with double-layer continuous reinforcement |
| CN104846782A (en) * | 2015-05-14 | 2015-08-19 | 吉林省银河水利水电新技术设计有限公司 | Flexible seam sealing method for water of hydraulic concrete expansion joint |
| CN106087643A (en) * | 2016-06-27 | 2016-11-09 | 山西四建集团有限公司 | Cement concrete pavement is to contracting seam construction method |
-
2017
- 2017-03-15 CN CN201710152950.XA patent/CN106917338B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01174709A (en) * | 1987-12-28 | 1989-07-11 | Gakunan Koki Kk | Road zone line erasing device |
| KR20100111003A (en) * | 2009-04-06 | 2010-10-14 | 박승민 | Injection sealant and the construction way |
| CN102828464A (en) * | 2012-09-21 | 2012-12-19 | 河南万里路桥集团有限公司 | Cement concrete pavement Y-shaped joint cutting device and cut joint filling and sealing process |
| CN103334368A (en) * | 2013-06-17 | 2013-10-02 | 中铁四局集团有限公司 | Longitudinal cold joint construction method for large-area asphalt pavement |
| CN103452028A (en) * | 2013-09-06 | 2013-12-18 | 山东大学 | Method for repairing jointed cement concrete pavement with double-layer continuous reinforcement |
| CN104846782A (en) * | 2015-05-14 | 2015-08-19 | 吉林省银河水利水电新技术设计有限公司 | Flexible seam sealing method for water of hydraulic concrete expansion joint |
| CN106087643A (en) * | 2016-06-27 | 2016-11-09 | 山西四建集团有限公司 | Cement concrete pavement is to contracting seam construction method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811629A (en) * | 2019-01-24 | 2019-05-28 | 四汇建设集团有限公司 | A kind of reparation remodeling method of Old cement concrete |
| CN113201991A (en) * | 2021-04-22 | 2021-08-03 | 中冶南方城市建设工程技术有限公司 | Concrete pavement pre-crack construction method |
| CN114277638A (en) * | 2021-08-16 | 2022-04-05 | 宁波路宝科技实业集团有限公司 | Resin concrete shrinkage joint construction method |
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| Publication number | Publication date |
|---|---|
| CN106917338B (en) | 2019-03-29 |
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