CN110241675B - Construction method for construction joint and expansion joint of colored asphalt permeable concrete pavement - Google Patents
Construction method for construction joint and expansion joint of colored asphalt permeable concrete pavement Download PDFInfo
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- CN110241675B CN110241675B CN201910624103.8A CN201910624103A CN110241675B CN 110241675 B CN110241675 B CN 110241675B CN 201910624103 A CN201910624103 A CN 201910624103A CN 110241675 B CN110241675 B CN 110241675B
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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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- 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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- 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
- E01C11/10—Packing of plastic or elastic materials, e.g. wood, resin
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the technical field of construction methods, and particularly relates to a construction method of a construction joint and an expansion joint of a colored asphalt permeable concrete pavement, which comprises the following steps: s1, paving a pavement surface layer on a construction site, marking the arrangement positions of the construction joints and expansion joints at the top of the pavement surface layer by using a red pen so as to accurately form joints during later pouring, wherein the intervals are 4-5 m.
Description
Technical Field
The invention relates to the technical field of construction methods, in particular to a construction method of a construction joint and an expansion joint of a color asphalt permeable concrete pavement.
Background
The pervious concrete is used as a green and environment-friendly ground material, can favorably improve the ponding condition of urban pavements, and avoids the onset of urban waterlogging. The pervious concrete terrace is porous lightweight concrete prepared by mixing aggregate, cement and water. The color pervious concrete also has the functions of scheduling the temperature and the humidity of the urban space and lightening the urban heat island effect; has sound absorption effect, and can reduce environmental noise; the color painting has a series of advantages of being provided with series of colors, being capable of planning pictures according to the requirements of the surrounding environment, having strong decoration and the like.
The construction joint and the expansion joint are used for the color pervious asphalt concrete pavement, and the construction joint is matched with the expansion joint to prevent the asphalt concrete pavement from expanding with heat and contracting with cold, coping with uneven settlement of the pavement and setting a gap when the construction is interrupted. With the wide use of colored pervious concrete, some common quality problems appear along with the wide use of colored pervious concrete, and the common quality problems are in a continuous rising trend, wherein the quality problems of construction joints and expansion joints are particularly prominent.
The traditional construction is that the road surface is cut after pouring and forming reach certain strength, and the joint filling material is put after the cutting is finished. The process can cause surface cracking and defects when cutting, the line shape is not attractive, the asphalt gap filler needs to be used, the asphalt gap filler is melted and overflows at high temperature in summer, pedestrians are easy to stick feet when walking, the phenomena of no edge cutting and no bottom cutting exist due to the fact that the cutting piece is circular when cutting, and great quality hidden troubles exist in the later period. In order to wet the cutting equipment during cutting, a large amount of water is needed, a large amount of cement paste appears during cutting, the cement paste cannot be collected in a centralized manner, and the appearance of a new pavement and the surrounding environment are greatly influenced.
Disclosure of Invention
The invention aims to provide a construction method of a construction joint and an expansion joint of a color asphalt pervious concrete pavement, aiming at solving the problem that the traditional construction proposed in the background technology is to cut the pavement after the pavement is cast and molded to reach a certain strength, and then to put in a gap filling material after the cutting is finished. The process can cause surface cracking and defects when cutting, the line shape is not attractive, the asphalt gap filler needs to be used, the asphalt gap filler is melted and overflows at high temperature in summer, pedestrians are easy to stick feet when walking, the phenomena of no edge cutting and no bottom cutting exist due to the fact that the cutting piece is circular when cutting, and great quality hidden troubles exist in the later period. In order to wet cutting equipment during cutting, a large amount of water is needed, a large amount of cement paste appears during cutting, the cement paste cannot be collected in a centralized manner, and the novel pavement is attractive and has great influence on the surrounding environment.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method of a construction joint and an expansion joint of a color asphalt pervious concrete pavement comprises the following steps:
s1, paving a pavement surface layer on a construction site, marking the arrangement positions of the construction joints and expansion joints on the top of the pavement surface layer by using a red pen so as to accurately form joints during later casting, wherein the intervals are 4-5 m, and an expansion joint is additionally arranged at every three construction joints;
s2, before initial setting, using a square aluminum alloy section as a straight ruler at the position of a designed cutting seam, vertically cutting the cutting seam along the direction of the section perpendicular to the road surface, ensuring the straightness of the cutting seam, controlling the size error range within +/-0.5 mm, manually cutting the cutting seam downwards by a spatula to form a through seam slightly larger than the thickness of the plate, and uniformly recovering the removed waste materials;
s3, the joint filling sheet material comprises a KT plate and a graphite composite plate, the construction joint is the KT plate, and can be cut randomly according to the field condition in the using process; the expansion joint is made of the graphite composite plate, compared with a common plate, the material has the characteristics of high toughness, stability, ageing resistance, waterproofness and fire resistance and high temperature resistance, the lengths of the KT plate and the graphite composite plate are 8 cm-12 cm, the size error range is controlled to be +/-1 cm, and the edge grinding position of 0.5 cm-1 cm is reserved for grinding;
s4, when the joint filling plates are buried, the joint filling plates are 3-5 mm lower than the whole pavement, the periphery positions of the KT plate and the graphite composite plate are polished by a polishing machine for 5-10 min to be fully dense and flat, the seam positions of a lower sand-free permeable layer and an upper facing layer are aligned, the seam widths are uniform, the size error range is controlled to be +/-0.5 mm, and the polishing positions are checked after polishing;
s5, after polishing of the polishing machine is finished, watering is carried out on the joint filling position, the surface of a watering area needs to be guaranteed to be uniform in moisture, the watering process is divided into two times, the watering interval is not less than 15-20 min each time, a film needs to be covered after watering, the curing time is 4-7 h, no heavy object can be stacked on the top of the film, and joint filling deformation is prevented from affecting caulking;
s6, the caulking material comprises glass cement, after maintenance is finished, the film is removed, impurities in gaps are cleaned, the glass cement is used for caulking construction, the caulking process is divided into two times, the first caulking filling is not lower than 70% -80% of the total height of the caulking, after standing for 20-30 min, secondary caulking filling is carried out, and the secondary caulking is carried out to ensure that the glass cement fills the caulking;
and S7, covering the film again after caulking is finished, placing bricks and stones at the four corners of the film for fixing, covering the film for 2-3 h, and performing glue filling operation on the naturally sunk caulking position after the film is removed.
Preferably, the material of KT board is formed by PS material through the foaming pressfitting, the hot cover in both sides of KT board has the protection film, the material of graphite composite sheet is the modified composite board of RZ graphite, the thickness of KT board with the thickness of graphite composite sheet is the same.
Preferably, the color of the glass cement is colorless and transparent.
Compared with the prior art, the invention has the beneficial effects that: this kind of construction method of construction joint and expansion joint on colored asphalt permeable concrete road surface, just once only accomplish at the pouring in-process of section, need not follow-up additional work load, the joint cutting time on road surface is reasonable, the degree of depth is unified, need not to cut the construction again, need not to consider power consumption water and pollution, construction environment has been improved, the extra manpower that produces has been saved and cleared up the section, can effectively guarantee the overall quality of section, the outward appearance and the wholeness of very big improvement road surface, can stop the quality hidden danger and improve life, the operation is simple, the cost is saved, safety and environmental protection.
Drawings
FIG. 1 is a schematic view of a finished product of the present invention;
fig. 2 is a schematic diagram of a conventional process.
In the figure: 1 graphite composite board, 2 glass cement, 3 road surface courses.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a construction method of a construction joint and an expansion joint of a color asphalt pervious concrete pavement comprises the following steps:
s1, paving a pavement surface layer 3 on a construction site, marking the arrangement positions of the construction joints and expansion joints on the top of the pavement surface layer 3 by using a red pen so as to accurately form joints during later pouring, wherein the intervals are 4-5 m, and one expansion joint is additionally arranged at every three construction joints;
s2, before initial setting, using a square aluminum alloy section as a straight ruler at the position of a designed cutting seam, vertically cutting the cutting seam along the direction of the section perpendicular to the road surface, ensuring the straightness of the cutting seam, controlling the size error range within +/-0.5 mm, manually cutting the cutting seam downwards by a spatula to form a through seam slightly larger than the thickness of the plate, and uniformly recovering the removed waste materials;
s3, the joint filling sheet material comprises a KT plate and a graphite composite plate 1, the construction joint is the KT plate, and the joint filling sheet material can be cut randomly according to the field situation in the using process; the expansion joint is made of the graphite composite plate 1, compared with the common plate, the material has the characteristics of strong toughness, stability, ageing resistance, waterproofness and the like, and fire resistance and high temperature resistance, the lengths of the KT plate and the graphite composite plate 1 are 8 cm-12 cm, the size error range is controlled to be +/-1 cm, and the edge grinding position of 0.5 cm-1 cm is reserved for grinding;
s4, when the joint filling plates are buried, the joint filling plates are 3-5 mm lower than the whole pavement, the periphery positions of the KT plate and the graphite composite plate 1 are polished by a polishing machine for 5-10 min to be fully dense and flat, the seam positions of a lower sand-free permeable layer and an upper facing layer need to be aligned, the seam widths need to be uniform, the size error range is controlled to be +/-0.5 mm, and the polishing positions need to be checked after polishing;
s5, after polishing of the polishing machine is finished, watering is carried out on the joint filling position, the surface of a watering area needs to be guaranteed to be uniform in moisture, the watering process is divided into two times, the watering interval is not less than 15-20 min each time, a film needs to be covered after watering, the curing time is 4-7 h, no heavy object can be stacked on the top of the film, and joint filling deformation is prevented from affecting caulking;
s6, the caulking material comprises glass cement 2, after maintenance is finished, a film is removed, impurities in gaps are cleaned, caulking construction is carried out by using the glass cement 2, the caulking process is divided into two times, the first caulking filling is not lower than 70% -80% of the total height of the joint filling, after standing for 20-30 min, secondary caulking filling is carried out, and secondary caulking is carried out and is required to ensure that the glass cement 2 fills the joint filling;
s7, covering a film again after caulking is finished, placing bricks and stones at the four corners of the film for fixing, wherein the covering time of the film is 2-3 h, and after the film is removed, performing glue filling operation on the naturally sunk caulking position;
the material of KT board is formed by PS material through the foaming pressfitting, and the hot cover in both sides of KT board has protective film, and graphite composite sheet 1's material is the modified composite sheet material of RZ graphite, and the thickness of KT board is the same with graphite composite sheet 1's thickness, and the colour of glass glue 2 is colorless transparent.
In specific use, firstly, before the initial setting of the material, a spatula is used for shoveling the material to form a ditch-shaped structure with uniform depth and width, and the caulking material is buried under the ditch-shaped structure. The construction is simple, the overall quality of the section is further ensured, worry about the time and the depth of cutting a seam for the permeable concrete pavement is avoided, the two factors are the most critical and difficult to control for seam setting, too many factors are considered, if the control is not good, edge cracks can occur at the time of early control, the attractiveness is affected, particularly for a sand-free rigid pavement such as the permeable concrete, the condition of particle falling can occur at the time of long time, and the cutting time is late, and manpower, blades and consumable materials are consumed. In addition, the direct arrangement of the seams also ensures the uniformity of seam depth, because the plates are cut in advance according to the design requirements. The uniformity of the pavement plates is further ensured, the filling materials of the seams are not needed to be used at the later stage, and further follow-up problems are not needed to be worried, for example, asphalt grease mostly used for the filling materials according to the using mode of the old process is poor in ageing resistance and high temperature resistance, materials in the seams can be softened even overflow after thermal expansion at high temperature in summer, feet are easily stuck when pedestrians walk, the pavement is polluted, large-area black asphalt spots are formed on the pavement, and the attractiveness of the pavement is affected. After several cycles of high and low temperatures, the caulk material essentially loses its original properties and functions and requires frequent maintenance and cleaning. The new construction method is adopted, the construction time is not additionally occupied in terms of engineering progress, the integral construction integrity of the section is further ensured, the damage to the finished product is caused by subsequent cutting, the requirements on construction conditions can be greatly reduced, the requirements on the construction conditions are greatly reduced, the construction environment is further improved, the quality of the finished product is further ensured, and the secondary pollution caused by cutting to the finished product is reduced.
Examples
S1, paving a pavement surface layer 3 on a construction site, marking the arrangement positions of the construction joints and expansion joints on the top of the pavement surface layer 3 by using a red pen so as to accurately form the joints during later pouring, wherein the interval is 4.5m, and an expansion joint is additionally arranged at every three construction joints;
s2, before initial setting, using a square aluminum alloy section as a straight ruler at the position of a designed cutting seam, vertically cutting the cutting seam along the direction of the section perpendicular to the road surface, ensuring the straightness of the cutting seam, controlling the size error range within +/-0.5 mm, manually cutting the cutting seam downwards by a spatula to form a through seam slightly larger than the thickness of the plate, and uniformly recovering the removed waste materials;
s3, the joint filling sheet material comprises a KT plate and a graphite composite plate 1, the construction joint is the KT plate, and the joint filling sheet material can be cut randomly according to the field situation in the using process; the expansion joint is made of a graphite composite plate 1, compared with a common plate, the material has the characteristics of high toughness, stability, ageing resistance, waterproofness and the like and has fireproof and high-temperature resistant properties, the length of the KT plate and the graphite composite plate 1 is 10cm, the size error range is controlled to be +/-1 cm, a 0.5cm edging position is reserved for polishing, the KT plate is made of a PS material through foaming and pressing, protective films are thermally coated on two sides of the KT plate, the graphite composite plate 1 is made of an RZ graphite modified composite plate, and the thickness of the KT plate is the same as that of the graphite composite plate 1;
s4, when the joint filling plates are buried, the joint filling plates are 4mm lower than the whole pavement, the polishing machine is used for polishing the periphery of the KT plate and the graphite composite plate 1 for 5min, so that the KT plate and the graphite composite plate are fully dense and flat, the positions of the seams of the lower sand-free permeable layer and the upper facing layer are aligned, the widths of the seams are uniform, the size error range is controlled to be +/-0.5 mm, and the polishing positions are required to be checked after polishing;
s5, after polishing of the polishing machine is finished, watering is carried out on the joint filling position, the surface of a watering area needs to be guaranteed to be uniform in moisture, the watering process is divided into two times, the watering interval is not less than 15min each time, film covering and maintenance are needed after watering, the maintenance time is 5.5h, no heavy object can be stacked on the top of the film, and joint filling deformation and caulking influence are prevented;
s6, the caulking material comprises glass cement 2, after maintenance is finished, a film is removed, impurities in gaps are cleaned, caulking construction is carried out by using the glass cement 2, the caulking process is divided into two times, the first caulking filling is not lower than 75% of the total height of the joints, after standing for 25min, secondary caulking filling is carried out, secondary caulking is carried out, the secondary caulking is required to ensure that the joints are filled by the glass cement 2, and the color of the glass cement 2 is colorless and transparent;
and S7, covering the film again after caulking is finished, placing bricks and stones at the four corners of the film for fixing, wherein the covering time of the film is 2.5 hours, and after the film is removed, performing glue filling operation on the naturally sunk caulking position.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. A construction method of a construction joint and an expansion joint of a color asphalt permeable concrete pavement is characterized by comprising the following steps:
s1, paving a pavement surface layer (3) on a construction site, marking the arrangement positions of the construction joints and expansion joints on the top of the pavement surface layer (3) by using a red pen so as to accurately form joints during later pouring, wherein the intervals are 4-5 m, and one expansion joint is additionally arranged at every three construction joints;
s2, before initial setting, using a square aluminum alloy section as a straight ruler at the position of a designed cutting seam, vertically cutting the cutting seam along the direction of the section perpendicular to the road surface, ensuring the straightness of the cutting seam, controlling the size error range within +/-0.5 mm, manually cutting the cutting seam downwards by a spatula to form a through seam slightly larger than the thickness of the plate, and uniformly recovering the removed waste materials;
s3, the joint filling sheet material comprises a KT plate and a graphite composite plate (1), wherein the construction joint is the KT plate and can be cut randomly according to the field situation in the using process; the graphite composite plate (1) is adopted for the expansion joint, compared with a common plate, the material has the characteristics of high toughness, stability, ageing resistance, waterproofness and the like, and is fireproof and high-temperature resistant, the lengths of the KT plate and the graphite composite plate (1) are 8 cm-12 cm, the size error range is controlled to be +/-1 cm, and the edge grinding position of 0.5 cm-1 cm is reserved for grinding;
s4, when the joint filling plates are buried, the joint filling plates are 3-5 mm lower than the whole pavement, the periphery positions of the KT plate and the graphite composite plate (1) are polished by a polishing machine for 5-10 min to be fully dense and flat, the seam positions of a lower sand-free permeable layer and an upper facing layer are aligned, the seam widths are uniform, the size error range is controlled to be +/-0.5 mm, and the polishing positions are checked after polishing;
s5, after polishing of the polishing machine is finished, watering is carried out on the joint filling position, the surface of a watering area needs to be guaranteed to be uniform in moisture, the watering process is divided into two times, the watering interval is not less than 15-20 min each time, a film needs to be covered after watering, the curing time is 4-7 h, no heavy object can be stacked on the top of the film, and joint filling deformation is prevented from affecting caulking;
s6, the caulking material comprises glass cement (2), after maintenance is finished, a film is removed, impurities in gaps are cleaned, caulking construction is carried out by using the glass cement (2), the caulking process is divided into two times, the first caulking filling is not lower than 70-80% of the total height of the caulking, after standing for 20-30 min, secondary caulking filling is carried out, and the secondary caulking is carried out to ensure that the glass cement (2) fills the caulking;
and S7, covering the film again after caulking is finished, placing bricks and stones at the four corners of the film for fixing, covering the film for 2-3 h, and performing glue filling operation on the naturally sunk caulking position after the film is removed.
2. The construction method of the construction joint and expansion joint of the colored asphalt permeable concrete pavement according to claim 1, characterized in that: the material of KT board is formed by PS material through the foaming pressfitting, the hot cover in both sides of KT board has the protection film, the material of graphite composite sheet (1) is the modified composite board of RZ graphite, the thickness of KT board with the thickness of graphite composite sheet (1) is the same.
3. The construction method of the construction joint and expansion joint of the colored asphalt permeable concrete pavement according to claim 1, characterized in that: the color of the glass cement (2) is colorless and transparent.
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| CN201910624103.8A CN110241675B (en) | 2019-07-11 | 2019-07-11 | Construction method for construction joint and expansion joint of colored asphalt permeable concrete pavement |
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| CN201910624103.8A CN110241675B (en) | 2019-07-11 | 2019-07-11 | Construction method for construction joint and expansion joint of colored asphalt permeable concrete pavement |
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| CN110241675B true CN110241675B (en) | 2021-03-30 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110348A (en) * | 1994-04-13 | 1995-10-18 | 武汉市市政科学技术研究所 | Soft joint-making constructing method and special equipment for cement pavement lateral contraction joint |
| CN1035204C (en) * | 1994-04-13 | 1997-06-18 | 武汉市市政科学技术研究所 | Soft joint-making constructing method for cement pavement longitudinal contraction joint |
| KR100740279B1 (en) * | 2006-09-18 | 2007-07-18 | 일승시스템 주식회사 | Joint of underground passage |
| CN103233408B (en) * | 2013-05-08 | 2015-11-11 | 李永奎 | A kind of cement concrete expansion joint structure of Ground and implementation method thereof |
| CN204199138U (en) * | 2014-08-08 | 2015-03-11 | 中国建筑第八工程局有限公司 | Concrete road surface expansion joint structure |
| CN104294729A (en) * | 2014-08-25 | 2015-01-21 | 四川金锋建设有限公司 | Method for constructing concrete pavement |
| CN105714642B (en) * | 2016-03-10 | 2017-08-29 | 长沙理工大学 | Suitable for the seam and construction method of continuous reinforced concrete pavement structure |
| CN109778633A (en) * | 2018-12-24 | 2019-05-21 | 中国电建集团山东电力建设第一工程有限公司 | A kind of detachable expansion joint plate of spigot-and-socket and construction method |
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