CN109680572B - Construction method of integrated comprehensive pipeline of concrete side mould of road bed - Google Patents
Construction method of integrated comprehensive pipeline of concrete side mould of road bed Download PDFInfo
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- CN109680572B CN109680572B CN201811417765.XA CN201811417765A CN109680572B CN 109680572 B CN109680572 B CN 109680572B CN 201811417765 A CN201811417765 A CN 201811417765A CN 109680572 B CN109680572 B CN 109680572B
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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
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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Abstract
The invention belongs to the field of road pipeline construction, and particularly relates to a construction method of a road bed concrete side mold integrated comprehensive pipeline, which comprises the steps of incorporating facility pipelines designed in the range of green belts into a concrete side mold when constructing a base concrete side mold, and synchronously pouring; the method comprises the following specific steps: (1) designing and manufacturing a limiting frame; (2) measuring and paying off; (3) penetrating and fixing the pipe; (4) installing a side form template; (5) pouring concrete and preserving health; (6) designing an eccentric inspection well; (7) the road junction is laid on the ground. The invention has the advantages that the integrated construction reduces the consumption of the concrete of the base concrete side mould on one hand and saves the civil construction cost of the road lamp facility pipeline on the other hand; on the other hand, the pipeline is effectively protected, and meanwhile, a larger space is provided for the overall construction of the sponge city. Better economic and social benefits are obtained, and the construction cost of enterprises is reduced.
Description
Technical Field
The invention belongs to the field of road pipeline construction, and particularly relates to a construction method of a concrete side mold integrated comprehensive pipeline of a road bed.
Background
There are various pipelines in urban road engineering and subsidiary engineering: such as street light wiring, traffic light piping, and other weak point piping. The traditional construction process comprises the following steps: directly paving various weak point pipelines at the position with the depth of about 1.5m below the surface of the planting soil in the green belts at two sides of the road; according to the method, a large amount of planting soil in the green belt needs to be excavated for constructing the pipeline with the weak point, and in the later maintenance process, the pipeline with the weak point is soaked in the accumulated water for a long time due to the fact that water is easy to accumulate when plants are irrigated, so that circuit faults, maintenance construction and maintenance costs are high.
Disclosure of Invention
In order to solve the problems, the invention makes up the defects of the traditional technology, provides the method for constructing the integrated comprehensive pipeline of the concrete side mould of the road bed, avoids the large-excavation and large-construction process, reduces the consumption of concrete, is beneficial to the growth of plants, protects the weak current pipeline and reduces the construction cost of enterprises.
The invention is realized by the following technical scheme:
a construction method of a road bed concrete side mold integrated comprehensive pipeline comprises the following steps: during base layer construction, constructing concrete side molds with the same thickness as the road base layer on two sides of a road (the same latitude of vertical edge stones), bringing facility pipelines designed in the range of green belts into the concrete side molds, forming holes on one sides of the concrete side molds near a weak current inspection well, introducing the weak current pipelines into the inspection well, and synchronously pouring; the method comprises the following specific steps:
(1) design and manufacture of limiting frame
Designing a limiting frame according to the number of facility pipelines and the thickness of a road base layer so as to determine the basic size of the side mold; the spacing frame enables the distance between the pipes to be 5cm, and the pipe position is accurately positioned through the spacing frame;
(2) measuring line
Discharging side mold sidelines, and adding 5-10cm of each side to control the flattening of the substrate based on the sidelines, and repairing convex and uneven parts to ensure the flattening of the substrate;
(3) penetrating and fixing
Penetrating facility pipelines into the grids of the limiting frame, positioning every 2 meters, and then directly inserting the limiting frame into the roadbed by 10cm to fix the pipelines;
(4) side form formwork mounting
The concrete side formwork template adopts a bamboo rubber plate or a steel formwork, the inner side of the formwork is supported by using top-layer steel bars of a limiting frame, the outer side of the formwork is normally supported, the formwork is vertical when supported, and the supporting is firm;
(5) concrete pouring and health preserving
Pouring concrete layer by layer, fully vibrating by using a small vibrating rod, press polishing and leveling the surface, and covering by sprinkling water for maintenance in time; after maintenance, the side mold is disassembled;
(6) eccentric inspection well design
Measuring the position of the paying-off and paying-off inspection well in advance according to the pile number of the design drawing; manufacturing 40 cm-40 cm box-type wood templates, and placing the box-type templates at the designed well positions; in order to ensure the strength of the side mold, arranging a steel bar net piece on the box-type template, and sequentially pouring the steel bar net piece and the normal section side mold; the threading opening reserved on the side mold is directly connected with the inspection well in the green belt, so that the threading opening in the inspection well is laid on the ground and is positioned at the upper part of the inspection well, and the later threading operation is facilitated;
(7) laying on the ground at the intersection:
at the intersection, pipelines are arranged in a complex way, inspection wells are numerous, and the side mold is not beneficial to arrangement, so that the direct connection between the side mold integrated comprehensive pipeline and the ground laying needs to be made; the positions of the connecting points are positioned in advance, and the designed inspection well is utilized for on-site butt joint, so that a high-inlet-low-outlet threading line is formed in the inspection well, and butt joint is facilitated.
In the step (1), the facility pipeline is DN90PVC pipe, including street lamp pipeline, traffic facility pipeline, pipeline for bus, and spare pipeline.
In the step (1), in the reinforcing steel bar limiting frame, the top reinforcing steel bars are thickened and lengthened for fixing the concrete side mold, the lower parts of the top reinforcing steel bars are welded into rectangular grid structures through reinforcing steel bars, the distance between the left side and the right side of the limiting frame pipeline holes is 5cm, and the vertical reinforcing steel bars on the two sides are longer than the reinforcing steel bars in the middle, so that the supporting effect is achieved.
In the step (1), the road base layer comprises a 20cm cement-stabilized gravel layer and an 18cm cement-stabilized gravel layer; the cross dimension of the side mould is 35cm 42 cm.
The invention has the beneficial effects of integrated construction:
1. the construction engineering of excavating a large amount of planting soil when weak current pipelines are laid inside the green belt is omitted;
2. the consumption of concrete of the base concrete side mold is reduced, and the civil construction cost of the street lamp facility pipeline is saved;
3. the space conflict between the weak current pipeline and the plant root system in the green belt is solved, the growth of plants is facilitated, and the weak current pipeline is effectively protected;
4. better economic and social benefits are obtained, and the construction cost of enterprises is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction process of the present invention.
Fig. 2 is a schematic structural view of the spacing frame of the present invention.
Fig. 3 is a front view of the eccentric inspection well.
Fig. 4 is a schematic top view of the eccentric inspection well.
In the figure, 1 top layer steel bar, 2 pipeline holes, 3 inlet pipelines, 4 outlet pipelines, 5 well covers, 6 eccentric inspection wells, 7 concrete side molds, 8 pipelines and 9 box type wood templates.
Detailed Description
The attached drawing is an embodiment of the invention.
The invention relates to a construction method of an integrated comprehensive pipeline of a road base concrete side mould, which comprises the steps of incorporating a facility pipeline designed in a green belt range into the concrete side mould when constructing the base concrete side mould, and synchronously pouring;
before construction, the construction team carries out personnel allocation according to construction contents, and the conventional pipeline positioning workers comprise 4 workers, 4 formworks, 3 concrete workers and 2 ordinary workers. According to the division of labor, management personnel, mechanical operating personnel and field labor personnel all take their duties. And performing three-level technical bottom crossing and safe bottom crossing on all the participated personnel to ensure the perfect preparation of the construction technology. The construction method comprises the following specific steps:
(1) design and manufacture of limiting frame
Designing a limiting frame according to the number of facility pipelines and the thickness of a road base layer so as to determine the basic size of the side mold; the spacing between the pipes is 5cm by the spacing frame, and the pipe position is accurately positioned by the spacing frame. If the number of engineering facility pipelines is 8 DN90PVC pipes (2 street lamps, 2 traffic facilities, 2 buses and 2 spare buses), the road base layer is designed to be 20cm cement-stabilized macadam, 18cm cement-stabilized macadam and 18cm cement-stabilized macadam, and finally the cross section size of the side mold is determined to be 35cm by 42 cm. On the premise of ensuring the pipe-to-pipe distance of 5cm, the limiting frame is designed, then the limiting frame is manufactured by utilizing leftovers of reinforcing steel bars, the limiting frame is formed into a reinforcing steel bar limiting frame with 3 rows and 3 columns, and the top reinforcing steel bar is thickened and lengthened for fixing the side die.
(2) Measuring line
Discharging side mold sidelines, and adding 5-10cm of each side to control the flattening of the substrate based on the sidelines, and repairing convex and uneven parts to ensure the flattening of the substrate;
(3) penetrating and fixing
Penetrating facility pipelines into the grids of the limiting frame, positioning every 2 meters, and then directly inserting the limiting frame into the roadbed by 10cm to fix the pipelines;
(4) side form formwork mounting
The concrete side formwork template adopts a bamboo rubber plate or a steel formwork, the inner side of the formwork is supported by using top-layer steel bars of a limiting frame, the outer side of the formwork is normally supported, the formwork is vertical when supported, and the supporting is firm;
(5) concrete pouring and health preserving
Pouring concrete layer by layer, fully vibrating by using a small vibrating rod, press polishing and leveling the surface, and covering by sprinkling water for maintenance in time; after maintenance, the side mold is disassembled;
(6) eccentric inspection well design
Measuring the position of the paying-off and paying-off inspection well in advance according to the pile number of the design drawing; manufacturing 40 cm-40 cm box-type wood templates, and placing the box-type templates at the designed well positions; in order to ensure the strength of the side mold, arranging a steel bar net piece on the box-type template, and sequentially pouring the steel bar net piece and the normal section side mold; the threading opening reserved on the side mold is directly connected with the inspection well in the green belt, so that the threading opening in the inspection well is laid on the ground and is positioned at the upper part of the inspection well, and the later threading operation is facilitated;
(7) laying on the ground at the intersection:
at the intersection, pipelines are arranged in a complex way, inspection wells are numerous, and the side mold is not beneficial to arrangement, so that the direct connection between the side mold integrated comprehensive pipeline and the ground laying needs to be made; the positions of the connecting points are positioned in advance, and the designed inspection well is utilized for on-site butt joint, so that a high-inlet-low-outlet threading line is formed in the inspection well, and butt joint is facilitated.
Claims (4)
1. A construction method of a road base side form integrated comprehensive pipeline is characterized by comprising the following steps: during construction of the base layer, constructing concrete side molds with the same thickness as the base layer of the road on two sides of the road, bringing facility pipelines designed in the range of green belts into the concrete side molds, opening holes on one side of the concrete side molds near the weak current inspection wells, introducing the weak current pipelines into the inspection wells, and synchronously pouring; the method comprises the following specific steps:
(1) design and manufacture of limiting frame
Designing a limiting frame according to the number of facility pipelines and the thickness of a road base layer so as to determine the basic size of the side mold; the spacing frame enables the distance between the pipes to be 5cm, and the pipe position is accurately positioned through the spacing frame;
(2) measuring line
Discharging side mold sidelines, and adding 5-10cm of each side to control the flattening of the substrate based on the sidelines, and repairing convex and uneven parts to ensure the flattening of the substrate;
(3) penetrating and fixing
Penetrating facility pipelines into the grids of the limiting frame, positioning every 2 meters, and then directly inserting the limiting frame into the roadbed by 10cm to fix the pipelines;
(4) side form formwork mounting
The concrete side formwork template adopts a bamboo rubber plate or a steel formwork, the inner side of the formwork is supported by using top-layer steel bars of a limiting frame, the outer side of the formwork is normally supported, the formwork is vertical when supported, and the supporting is firm;
(5) concrete pouring and health preserving
Pouring concrete layer by layer, fully vibrating by using a small vibrating rod, press polishing and leveling the surface, and covering by sprinkling water for maintenance in time; after maintenance, the side mold is disassembled;
(6) eccentric inspection well design
Measuring the position of the paying-off and paying-off inspection well in advance according to the pile number of the design drawing; manufacturing 40 cm-40 cm box-type wood templates, and placing the box-type templates at the designed well positions; in order to ensure the strength of the side mold, arranging a steel bar net piece on the box-type template, and sequentially pouring the steel bar net piece and the normal section side mold; the threading opening reserved on the side mold is directly connected with the inspection well in the green belt, so that the threading opening in the inspection well is laid on the ground and is positioned at the upper part of the inspection well, and the later threading operation is facilitated;
(7) laying on the ground at the intersection:
at the intersection, pipelines are arranged in a complex way, inspection wells are numerous, and the side mold is not beneficial to arrangement, so that the direct connection between the side mold integrated comprehensive pipeline and the ground laying needs to be made; the positions of the connecting points are positioned in advance, and the designed inspection well is utilized for on-site butt joint, so that a high-inlet-low-outlet threading line is formed in the inspection well, and butt joint is facilitated.
2. The construction method of the road base side-die integrated comprehensive pipeline according to claim 1, characterized in that: in the step (1), the facility pipeline adopts DN90PVC pipes, including street lamp pipelines, traffic facility pipelines, pipelines for buses and standby pipelines.
3. The construction method of the road base side-die integrated comprehensive pipeline according to claim 1, characterized in that: in the step (1), in the reinforcing steel bar limiting frame, the top reinforcing steel bar is thickened and lengthened and is used for fixing the concrete side mold; the below of top layer reinforcing bar is rectangle square structure by the steel bar welding, and spacing pipeline hole is 5cm from left to right, and the vertical reinforcing bar of both sides side is longer than the middle part reinforcing bar, plays the supporting role.
4. The construction method of the road base side-die integrated comprehensive pipeline according to claim 1, characterized in that: in the step (1), the road base layer comprises a 20cm cement stable gravel layer and an 18cm cement stable gravel layer; the cross dimension of the side mould is 35cm 42 cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811417765.XA CN109680572B (en) | 2018-11-26 | 2018-11-26 | Construction method of integrated comprehensive pipeline of concrete side mould of road bed |
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| CN201811417765.XA CN109680572B (en) | 2018-11-26 | 2018-11-26 | Construction method of integrated comprehensive pipeline of concrete side mould of road bed |
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| CN109680572B true CN109680572B (en) | 2021-02-26 |
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| CN111485582A (en) * | 2020-04-30 | 2020-08-04 | 济南城建集团有限公司 | Road weak current inspection well and weak current pipeline nested structure and construction method |
| CN114263087B (en) * | 2022-01-07 | 2022-12-27 | 中建八局第二建设有限公司 | Curb base template splicing and moving device and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2591099Y (en) * | 2003-01-06 | 2003-12-10 | 赵洪志 | Municipal administration comprehensive wiring box |
| KR100781485B1 (en) * | 2006-10-31 | 2007-12-03 | 주식회사 케이티 | Cable induction device for manhole |
| KR100853276B1 (en) * | 2007-05-10 | 2008-08-21 | 대실종합건설 주식회사 | Waterproof apparatus close up tight inner part of manhole neck |
| CN208105321U (en) * | 2018-03-22 | 2018-11-16 | 华煜建设集团有限公司 | A kind of inspection shaft and well week structure |
| CN108678000B (en) * | 2018-07-20 | 2020-06-12 | 中铁三局集团有限公司 | U-shaped retaining structure for roadbed underpass highway and construction method thereof |
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