CN111996859A - One-time pouring construction process for ramp double-lane road isolating tooth and main body structure - Google Patents
One-time pouring construction process for ramp double-lane road isolating tooth and main body structure Download PDFInfo
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- CN111996859A CN111996859A CN202010840087.9A CN202010840087A CN111996859A CN 111996859 A CN111996859 A CN 111996859A CN 202010840087 A CN202010840087 A CN 202010840087A CN 111996859 A CN111996859 A CN 111996859A
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—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
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/50—Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
- E01C19/502—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
- E01C19/506—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes for kerbs, gutters or similar structures, e.g. raised portions, median barriers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention belongs to the technical field of road tooth construction, and particularly relates to a one-time pouring construction process for a common main body structure of a ramp double-lane road separating road tooth, which comprises the following steps of: s1, binding the main structural steel bars of the road sloping plate according to the traditional construction process; s2, when a construction node is four, installing embedded parts, and when a construction node is five, binding reinforcing steel bars; s3, erecting a ramp road isolation curb template; s4, mounting a concrete chamfering mold of the road isolation road tooth; s5, pouring concrete of the main structure of the ramp inclined plate, and immediately pouring concrete of the ramp road isolation road teeth; and S6, when the construction joint is four, mounting a finished product light screen, and when the construction joint is 5, smearing cement mortar for leveling and troweling. The method solves the problem that the construction period of the existing road tooth construction is long and the construction is difficult, and can be widely applied to the construction of various road surfaces.
Description
Technical Field
The invention belongs to the technical field of road tooth construction, and particularly relates to a one-step pouring construction process for a same main body structure of a ramp double-lane road isolation road tooth.
Background
Constructing the flexible pavement curb before paving an asphalt surface layer after the pavement base layer is finished; the road teeth can be arranged along the side line of the road surface after the road surface base layer is paved; the pavement base can be widened at the basic position to serve as a foundation when the pavement base is constructed; and the excess parts naturally widened at the two sides of the base layer in the construction of the pavement base layer can be used as the foundation, and the thickness and elevation of the foundation are in accordance with the design requirements. After measuring and checking the midline of the pay-off road surface, putting out a road dental floss at the junction of the edge of the road surface and the road tooth, wherein the number of piles is 10m at the straight line part; the curve part is 5-10 m; arcs such as intersections and barriers, 1-5 m may also be rounded with tape and marked with an elevation of the top side of the plaque on the post.
The curb is made of stone on both sides of road, and is made of chiseled long stone, concrete prefabricated long building blocks or bricks, or granite used as boundary stone on the edge of road surface, and is laid on the edge of road, its size is 1000A 350A 10, and is about 15cm higher than road surface, and the curb is the boundary line for separating traffic lane, sidewalk, green land, isolation zone and other portions of road surface, so that it can ensure traffic safety of pedestrian and vehicle and ensure the uniformity of road surface edge. The main functions of the rainwater collecting well are protecting the road surface and collecting rainwater, so that the rainwater is collected towards the water collecting well. Curb stones are generally arranged between the separation belts and the road surface and between the sidewalks and the road surface, and the curb stones are arranged in the traffic islands and the safety islands. The form of the device is vertical, inclined, flat and the like.
The common traditional construction method of the road isolation teeth comprises the steps of installing or binding reinforcing steel bars of embedded parts of the road isolation teeth after pouring of slope sloping plate reinforced concrete, supporting and arranging templates of the road isolation teeth, pouring C20 fine stone concrete of the road isolation teeth, chamfering construction of the road isolation teeth concrete, and finally installing a finished light screen or leveling and finishing by cement mortar with the thickness of 20: 2. The traditional construction method has the following defects: road isolation road teeth are constructed after the main body structure is constructed, so that the construction period is delayed; the concrete chamfer is constructed after the concrete is initially set and the template is removed, so that the construction is not easy, and the circular arc construction quality is poor.
Therefore, there is a need to improve upon the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a one-step pouring construction process for a ramp double-lane road isolation curb and a main body structure.
The technical scheme adopted by the invention is as follows:
a one-time pouring construction process for a ramp double-lane road isolating tooth and a main body structure comprises the following steps:
s1, binding main structural steel bars of the road sloping plate according to the traditional construction process;
s2, when a construction node is four, installing an embedded part steel plate strip, and when a construction node is five, binding cast-in-place concrete slab reinforcing steel bars;
s3, erecting a ramp road isolation curb template;
s4, mounting a road tooth separating concrete chamfering mold;
s5, pouring concrete of the main structure of the ramp inclined plate, and immediately pouring concrete of the ramp road isolation road teeth;
s6, when a construction node is four, mounting finished product light shielding plates, wherein the finished product light shielding plates are products designated by a traffic management department, and the arrangement intervals of the finished product light shielding plates meet the requirements of related departments; and when the node 5 is constructed, cement mortar is coated for leveling and finishing.
And in the step S2, mounting a fourth node by using an embedded part, wherein the embedded part is a steel plate with the width of 150mm and the thickness of 8mm, and the length of the embedded part is required by the vertical supporting leg of the finished product light screen.
In the step S2, the fifth node is a reinforced concrete slab steel bar with the height of 1000mm and the width of 100mm, a vertical main bar phi 10@200 and a horizontal bar 6 phi 10.
In step S3, when the construction joint is four, a concrete foundation formwork is installed, and the foundation concrete is labeled: the height of the same slope slab is 150mm, the width of the foundation is 800mm, and the length of the foundation is according to the requirement of design institute drawings; and (5) installing a concrete foundation and a concrete slab template when the node is constructed, wherein the concrete of the foundation is marked: the height of the same slope slab is 150mm, the width of the foundation is 740mm, and the length of the foundation is according to the requirement of design institute drawings; and the height is 1000mm, the width is 100mm, and the reinforced concrete slab template is installed.
In step S4, the concrete chamfering mold mounting method includes: and (3) carrying out centering cutting on the PVC pipe, binding wires or fixing steel nails on a wood template, wherein the diameter of the PVC pipe is more than or equal to 20mm and less than or equal to 60 mm.
And when the concrete is poured in the step S5, the vibration distance and the vibration time are required to meet the standard requirements, the vibrating rod vibrates near the concrete chamfering mold with the length of 150-300 mm, and the concrete chamfering mold is not disturbed during vibration.
When the construction node is four in the step S5, pouring concrete of a main body structure of the inclined ramp plate, pouring basic concrete with the width of 800mm and the height of 150mm below a finished product light screen, and leveling an embedded part; and when the node is constructed, pouring concrete of the main structure of the ramp inclined plate, pouring base concrete with the width of 740mm and the height of 150mm, and finally pouring a reinforced concrete slab with the width of 100 mm.
The height of the foundation of the fourth node and the fifth node is 150mm, the ground finish surface of the ramp is 150mm, and the construction method of the surface layer of the ramp is detailed in the construction method of the construction drawing engineering.
In the step S6, the thickness of the cement mortar is 20mm, the proportion of the cement to the cement is 1:2, and then a proper amount of water is added, stirred into paste and smeared on the ground.
The strength of the road isolation curb concrete is consistent with that of the main body ramp slab concrete, and the road isolation curb concrete is fine-stone concrete with the strength grade of C30.
Compared with the prior art, the invention has the following beneficial effects:
1. the construction process for one-step pouring construction of the basement ramp road isolating tooth and the main body structure, disclosed by the invention, has the advantages that the concrete member and the main body structure are poured at one time, the structural integrity and the quality are better than those of a secondary pouring construction, the foundation strength of the road isolating tooth is high, the structural integrity is good, the rigidity is improved, and the construction period is saved by at least 1 day compared with that of a traditional process.
2. The concrete chamfering molding method is characterized in that the concrete chamfering mold is installed through a new process, and the vibrating rod vibrates near the concrete chamfering mold, so that the concrete chamfering of the road isolation road tooth is molded: the concrete has the advantages of smoothness, attractiveness, few turnover times of the multilayer board in the main construction stage, mechanical vibration of the vibrating rod, good impression after formwork removal of concrete pouring of the road isolation teeth, multiple turnover of the multilayer board, manual vibration of reinforcing steel bars of the road isolation teeth and general impression after formwork removal of the concrete of the road isolation teeth if completion acceptance and property management construction are in the later construction period of the building engineering.
3. The invention avoids the construction of the concrete chamfer after the initial setting of the concrete and the removal of the template, and solves the problems of difficult construction and poor circular arc construction quality.
In conclusion, the construction quality of the construction process is better guaranteed; if completion acceptance and property management construction are in the later stage of building engineering construction, the construction is mostly strong construction, and the construction quality is general.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a diagram of a node four structure of the present invention;
fig. 3 is a five-node structure diagram of the present invention.
Wherein: 1 is steel plate band, 2 is shading plate, and 3 is cement mortar.
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.
As shown in fig. 1 to 3, a one-time pouring construction process for a ramp double-lane road isolation tooth and a main body structure comprises the following steps:
s1, binding main structural steel bars of the road sloping plate according to the traditional construction process;
s2, when a construction node is four, installing an embedded part steel plate strip 1, and when a construction node is five, binding cast-in-place concrete slab steel bars;
s3, erecting a ramp road isolation curb template;
s4, mounting a road tooth separating concrete chamfering mold;
s5, pouring concrete of the main structure of the ramp inclined plate, and immediately pouring concrete of the ramp road isolation road teeth;
and S6, when the construction joint is four, installing the finished product light screen 2, and when the construction joint is 5, smearing cement mortar 3 for leveling and smearing.
And in the step S2, mounting a fourth node by using an embedded part, wherein the embedded part is a steel plate with the width of 150mm and the thickness of 8mm, and the length of the embedded part is required by the vertical supporting leg of the finished product light screen 2.
In the step S2, the fifth node is a reinforced concrete slab steel bar with the height of 1000mm and the width of 100mm, a vertical main bar phi 10@200 and a horizontal bar 6 phi 10.
In step S3, a concrete foundation formwork is installed at the time of the construction node four, and a concrete foundation and a concrete slab formwork are installed at the time of the construction node five.
In step S4, the concrete chamfering mold mounting method includes: and (3) carrying out centering cutting on the PVC pipe, binding wires or fixing steel nails on a wood template, wherein the diameter of the PVC pipe is more than or equal to 20mm and less than or equal to 60 mm.
And when the concrete is poured in the step S5, the vibration distance and the vibration time are required to meet the standard requirements, the vibrating rod vibrates near the concrete chamfering mold with the length of 150-300 mm, and the concrete chamfering mold is not disturbed during vibration.
When the construction node is four in the step S5, pouring concrete of a main body structure of the inclined ramp plate, pouring basic concrete with the width of 800mm and the height of 150mm below the finished product light screen 2, and leveling the embedded part; and when the node is constructed, pouring concrete of the main structure of the ramp inclined plate, pouring base concrete with the width of 740mm and the height of 150mm, and finally pouring a reinforced concrete slab with the width of 100 mm.
In the step S6, the thickness of the cement mortar 3 is 20mm, the proportion of the cement to the sand of the cement mortar 3 is 1:2, and then a proper amount of water is added, stirred into paste and smeared on the ground.
The strength of the road isolation curb concrete is consistent with that of the main body ramp slab concrete, and the road isolation curb concrete is fine-stone concrete with the strength grade of C30.
Example (b):
the field construction step:
binding main body steel bars of the ramp inclined plate;
positioning and paying off a reinforced concrete slab with the width of 100 mm;
installing reinforced concrete slab steel bars, firstly installing vertical main bars phi 10@200, and then binding horizontal bars 6 phi 10;
erecting a reinforced concrete slab template of the ramp road isolation tooth (suspension formwork construction);
positioning and paying off a tooth foundation of the ramp road partition and erecting a template (hanging template construction);
installing a concrete chamfering mold for the road isolation tooth foundation;
pouring concrete of a main structure of the ramp inclined plate, and then pouring a road isolation tooth foundation by standing a horse; then pouring the reinforced concrete slab of the road isolation tooth;
dismantling a road isolation curb foundation template and a reinforced concrete slab template;
dismantling the concrete chamfering mold of the road tooth foundation;
and maintaining the foundation concrete and the reinforced concrete slab concrete of the road isolation teeth.
According to the invention, through technical management, measurement and paying-off, technical recheck and construction process adjustment, the ramp road isolation teeth and the main structure are subjected to one-time pouring construction, so that the construction period is saved.
The invention is in the technical rechecking stage: the position of the embedded part, the position of the suspended mould template and the verticality are required to meet the requirements of drawings and specifications; the concrete strength of the road isolation teeth is changed from C20 fine aggregate concrete into the concrete strength of the main body slope slab; and judging whether the rechecking road-separating tooth is constructed by adopting the node four or the node five.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (9)
1. The utility model provides a construction technology is once pour with major structure to double lane of ramp way separation road tooth which characterized in that: the method comprises the following steps:
s1, binding main structural steel bars of the road sloping plate according to the traditional construction process;
s2, when a construction node is four, installing an embedded part steel plate strip (1), and when a construction node is five, binding cast-in-place concrete slab steel bars;
s3, erecting a ramp road isolation curb template;
s4, mounting a road tooth separating concrete chamfering mold;
s5, pouring concrete of the main structure of the ramp inclined plate, and immediately pouring concrete of the ramp road isolation road teeth;
s6, when the construction joint is four, the finished product shading plate (2) is installed, and when the construction joint is 5, cement mortar (3) is smeared for leveling and smearing.
2. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: and in the step S2, mounting a fourth node by using an embedded part, wherein the embedded part is a steel plate with the width of 150mm and the thickness of 8mm, and the length of the embedded part is the requirement of the vertical support leg of the finished product shading plate (2).
3. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: in the step S2, the fifth node is a reinforced concrete slab steel bar with the height of 1000mm and the width of 100mm, a vertical main bar phi 10@200 and a horizontal bar 6 phi 10.
4. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: in step S3, a concrete foundation formwork is installed at the time of the construction node four, and a concrete foundation and a concrete slab formwork are installed at the time of the construction node five.
5. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: in step S4, the concrete chamfering mold mounting method includes: and (3) carrying out centering cutting on the PVC pipe, binding wires or fixing steel nails on a wood template, wherein the diameter of the PVC pipe is more than or equal to 20mm and less than or equal to 60 mm.
6. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: and when the concrete is poured in the step S5, the vibration distance and the vibration time are required to meet the standard requirements, the vibrating rod vibrates near the concrete chamfering mold with the length of 150-300 mm, and the concrete chamfering mold is not disturbed during vibration.
7. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: when the construction node is four in the step S5, pouring concrete of a main body structure of the inclined ramp plate, pouring basic concrete with the width of 800mm and the height of 150mm below the finished product shading plate (2), and leveling the embedded part; and when the node is constructed, pouring concrete of the main structure of the ramp inclined plate, pouring base concrete with the width of 740mm and the height of 150mm, and finally pouring a reinforced concrete slab with the width of 100 mm.
8. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: in the step S6, the thickness of the cement mortar (3) is 20mm, the proportion of the cement to the sand of the cement mortar (3) is 1:2, and then a proper amount of water is added, stirred into paste and smeared on the ground.
9. The one-time pouring construction process for the same main body structure of the ramp double-lane road isolation tooth according to claim 1, characterized in that: the strength of the road isolation curb concrete is consistent with that of the main body ramp slab concrete, and the road isolation curb concrete is fine-stone concrete with the strength grade of C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840087.9A CN111996859A (en) | 2020-08-20 | 2020-08-20 | One-time pouring construction process for ramp double-lane road isolating tooth and main body structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840087.9A CN111996859A (en) | 2020-08-20 | 2020-08-20 | One-time pouring construction process for ramp double-lane road isolating tooth and main body structure |
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| CN111996859A true CN111996859A (en) | 2020-11-27 |
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| CN202010840087.9A Pending CN111996859A (en) | 2020-08-20 | 2020-08-20 | One-time pouring construction process for ramp double-lane road isolating tooth and main body structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550195A (en) * | 2021-06-22 | 2021-10-26 | 中国五冶集团有限公司 | One-step forming construction method for asphalt concrete road curb foundation |
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| CN104863037A (en) * | 2015-06-11 | 2015-08-26 | 张家口市第一建筑工程有限公司 | Curb, curb overall cast-in-place mold, control method and construction method |
| CN105839491A (en) * | 2016-04-02 | 2016-08-10 | 浙江宏创新材料有限公司 | Novel kerbstone |
| CN211228269U (en) * | 2019-11-29 | 2020-08-11 | 四川省公路规划勘察设计研究院有限公司 | High-grade highway central separation strip structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005207128A (en) * | 2004-01-23 | 2005-08-04 | Wing:Kk | Drainage structure of paved road, and water conveying member for side ditch used for the drainage structure |
| CN104005313A (en) * | 2014-06-16 | 2014-08-27 | 葛洲坝集团第二工程有限公司 | Construction method for asphalt concrete pavement separation zone kerbs |
| CN104532718A (en) * | 2014-12-15 | 2015-04-22 | 沈阳市政集团有限公司 | L-shaped concrete kerb and preparation method thereof |
| CN104863037A (en) * | 2015-06-11 | 2015-08-26 | 张家口市第一建筑工程有限公司 | Curb, curb overall cast-in-place mold, control method and construction method |
| CN105839491A (en) * | 2016-04-02 | 2016-08-10 | 浙江宏创新材料有限公司 | Novel kerbstone |
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| CN113550195A (en) * | 2021-06-22 | 2021-10-26 | 中国五冶集团有限公司 | One-step forming construction method for asphalt concrete road curb foundation |
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