CN101775826A - Construction method for laying water pipes - Google Patents
Construction method for laying water pipes Download PDFInfo
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- CN101775826A CN101775826A CN201010101068A CN201010101068A CN101775826A CN 101775826 A CN101775826 A CN 101775826A CN 201010101068 A CN201010101068 A CN 201010101068A CN 201010101068 A CN201010101068 A CN 201010101068A CN 101775826 A CN101775826 A CN 101775826A
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Abstract
The invention relates to a construction method for laying water pipes, mainly solving the problems of high cost, transport expense and maintenance expense of a precast rigid pipe adopted for a traditional heavy-calibre water pipe. The construction method comprises the following steps of: excavating a foundation, laying a cushion layer at the bottom of a pipe ditch, laying pipelines, injecting water to make a core, filling concrete and backfilling the pipe ditch. In order to be convenient for maintenance, an operation well is arranged at the part of each three-way valve. Compared with an iron pipe and a steel pipe, a plastic flexible pipe has the advantages of greatly reduced production cost, good corrosion resistance, no water leakage, long service life, on-site construction, simple operation and improved construction efficiency. Compared with the traditional underground pipeline, the invention has simple operation for the maintenance and reduces the maintenance expense.
Description
Technical field
The present invention relates to outdoor public water delivery trunk line field, particularly a kind of job practices of laying underground water conduit.
Background technology
Existing heavy caliber water supply and sewage work mostly need to lay underground pipeline, and the aqueduct material that is adopted mostly is cast iron or steel greatly, and the employing inner and outer surface layers that also has is a cement and innerly be the structure of cast iron, and these pipeline common characteristic are exactly all to adopt rigid pipe.It is preceding by the pre-production and processing of manufacturer that these pipelines are construction, the finished product merogenesis, the length of each joint is all shorter, is transported to the job site by professional haulage vehicle when lay installing, in the work progress every 2-section pipe road coupled together with joint or weld after be laid on underground.
Existing pipeline expends a large amount of transportation funds in process of deployment, and adopts joint to connect because pipeline is merogenesis, and faults such as leakage too much appear in joint easily, need a large amount of maintenance and repair expenses; Efficiency of construction is low.Pipeline material is a ferrous materials in addition, the high and corrosion resistant ability of cost a little less than, also have the abominable area of some landform to cause and can't construct because of transporting tubing.
Summary of the invention
The object of the present invention is to provide a kind of job practices of laying water pipes, this method adopts flexible duct site operation, saves freight and significantly reduces the quantity of joint, has reduced cost, and is more safe and reliable.
The present invention solves the technical scheme that its technical problem takes: a kind of job practices of laying water pipes, it is characterized in that, and may further comprise the steps:
1) excavation ground: dig out the pipe trench that the cross section is a rectangle on ground, the back is tamped as ground in the pipe trench bottom surface;
2) lay bed course: at the bottom of pipe trench, lay one deck concrete cushion earlier;
3) pipe laying: plastic hose is laid bed course top in the pipe trench according to engine request; Adjacent plastic hose connects by three-way valve; 4) core is made in water filling: an end valve door in one section plastic hose road is closed, top end opening water filling in this section plastic hose of the valve by the other end, treat that fills with water expands in this section plastic hose road after, stop water filling and the water filling port sealing kept hydraulic pressure;
5) fill concrete: before the drying, the water in the plastic hose road will keep hydraulic pressure firmly admittedly for fill concrete in the pipe trench in the plastic hose road outside, and the plastic hose road wrapped up fully, fill concrete; During fill concrete at each valve place initialize operation well;
6) backfilling of pipe canal: fill concrete carries out sandy soil backfill after consolidating drying firmly above fill concrete, and sandy soil backfill will be tamped backfill later, after the backfill drying, accomplishes fluently road crust above backfill, makes it concordant with original road surface.
Be provided with outwards outstanding structure in described plastic hose appearance, can increase self intensity of plastic hose, can improve again and the bond strength of fill concrete on every side.
Method of the present invention also is:
In bed course and fill concrete, be provided with cage of reinforcement, to increase the rigidity of bed course and fill concrete.
The invention has the beneficial effects as follows:
1, adopt plastic conduit, price is low, and cost of production reduces greatly compared with iron pipe and steel pipe.
2, plastic conduit is behind concrete parcel, and is very sturdy and durable, can be firmer after covering one deck cement again on the inside wall of plastic conduit, and good corrosion resistance does not seep water, long service life.
3, site operation, simple to operate, improve efficiency of construction.
4, significantly reduced the quantity of joint, maintenance and maintenance are simple to operation compared with existing underground pipeline, have reduced the maintenance and repair expense.
5, the present invention is a core with the plastic hose of fills with water, concrete spouting is carried out at the scene, and the job practices of laying water pipes, for the large-scale hydraulic pipeline laying in field provides the new technology that a kind of cost is low, efficient is high, safe and reliable, its creativeness is conspicuous.
Description of drawings
Fig. 1 is the cross section structure schematic diagram after the present invention construction;
Fig. 2 is an adjacent plastic hose road connection diagram in the inventive method.
Among the figure: 1 concrete cushion, 2 plastic hose roads, 3 fill concretes, 4 backfill, 5 road crusts, 6 road surfaces, 7 first operation wells, 8 second operation wells, 9 second three-way valves, 91 second three-way valves left side valve, 92 second three-way valve plugs, the right valve of 93 second three-way valves, 10 first three-way valves, 101 first three-way valves left side valve, 102 first three-way valve plugs, the right valve of 103 first three-way valves.
The specific embodiment
As shown in Figure 1.
1, the technology before the construction is prepared.Should be familiar with, grasp working drawing before the construction, be ready to construction equipment, the operative employee is carried out post training and according to standard tubing, pipe fitting carried out an acceptance inspection.
2, excavation ground.Dig out the pipe trench that the cross section is a rectangle on ground, the excavation of pipe trench must be in strict accordance with design drawing, or excavation circuit and cutting depth that project supervision is instructed are constructed.In order to guarantee the precision of ground, rule on ground earlier before the enough excavations of pipe.
Plastic hose road pressure-bearing type flexible pipe, its diameter is big, wall thickness, and is in light weight, so can be prefabricated on the ground than long lines.The width of pipeline and the degree of depth are drawn by technician design according to actual conditions, general provision, the minimum tube top thickness of earth covering of piping layings such as plastic cement is soft, polyethylene is: be embedded in manage the top buried depth roadway under must not be less than 1 meter; Be embedded under the sidewalk or pipeline branch pipe must not be less than 0.8 meter; Greenbelt descends or the residential community arm must not be less than 0.5 meter; At permanent frozen soil or seasonal frozen ground layer, pipe top buried depth should be below frost line.
After pipe trench digs, compacting at the bottom of the pipe trench as ground, is prevented to manage end formation cavitation.
Described plastic hose appearance is provided with outwards outstanding structure, and described outstanding structure can be an annular projection, also column, or hemispherical.
3, at the bottom of pipe trench, lay bed course.Lay one deck concrete cushion 1 at the bottom of pipe trench earlier, the thickness of concrete cushion 1 is suitable.Bear the bigger highway section of pressure at big crossing or road surface, can in concrete cushion 1, be provided with laterally or cage of reinforcement longitudinally, make it more sturdy and durable.
4, pipe laying.After treating concrete cushion 1 hard drying admittedly, plastic hose 2 is routed in the pipe trench according to engine request, is provided with a three-way valve every a segment distance.Can an operation well be set at each valve place, be convenient to maintenance and repair in the future.
As Fig. 2, first three-way valve 10, second three-way valve 9 lay respectively in the first operation well 7 and the second operation well 8, first three-way valve, 10 left and right sides are respectively the right valve 103 of first three-way valve left side valve 101, the first three-way valves, and the top is the first three-way valve plug 102.Same second three-way valve 9 left and right sides are respectively the right valve 93 of second three-way valve left side valve 91, the second three-way valves, and the top is that core is made in the second three-way valve plug 92.5, water filling.Valve closing with one section plastic hose road 2 one end, for example close the right valve 93 of second three-way valve, top end opening water filling in plastic hose (first three-way valve left side valve 101 is opened, and the right valve 103 of first three-way valve cuts out, and the first three-way valve plug 102 unloads) from the valve of the other end.After treating that fills with water plastic hose road 2 expands in the plastic hose road 2, stop water filling and the water filling port sealing is kept hydraulic pressure.At this moment the plastic hose road 2 of Peng Zhanging is equivalent to a fuse, and pipe trench is equivalent to casting mold.
6, fill concrete.Between 2 outsides, plastic hose road and pipe trench inside wall, insert fill concrete 3, in the process of inserting fill concrete 3, can use the concrete vibration bar vibrated concrete while filling, coarse aggregate is spread all in the concrete component uniformly, prevent fill concrete 3 cavities, segregation.Fill concrete 3 wraps up plastic hose road 2 fully, and is identical with bed course, bears the bigger highway section of pressure at big crossing or road surface, can be provided with laterally in fill concrete 3 or cage of reinforcement longitudinally, and be connected as a single entity and make it firmer with reinforcing bar in the bed course.Before the fill concrete 3 hard dryings admittedly, the water in the plastic hose road 2 can not be emitted, and keep hydraulic pressure.
7, backfilling of pipe canal.After the fill concrete 3 hard dryings admittedly, above fill concrete 3, carry out sandy soil backfill, can carry out backfill as backfill 4 with the former sandy soil that dig out.To tamp backfill 4 after the sandy soil backfill, after backfill 4 dryings, above backfill 4, accomplish fluently road crust 5, make it concordant with original road surface 6.
In addition, after the fill concrete 3 hard dryings admittedly, water in the plastic hose road 2 can be emitted, water is emitted the back people can be entered on the inside wall in 2 inherent plastic hose roads 2, plastic hose road and be coated with one deck cement, to increase its fastness and the application life that prolongs it, in order to improve the firmness that cement adheres to, the surfaces externally and internally in plastic hose road 2 all can be a rough surface.
When break down in the valve junction, can enter the operation well and carry out maintenance and repair.
Claims (2)
1. the job practices of a laying water pipes is characterized in that, may further comprise the steps:
1) excavation ground: dig out the pipe trench that the cross section is a rectangle on ground, the back is tamped as ground in the pipe trench bottom surface;
2) lay bed course: at the bottom of pipe trench, lay one deck concrete cushion earlier;
3) pipe laying: plastic hose is laid bed course top in the pipe trench according to engine request; Adjacent plastic hose connects by three-way valve;
4) core is made in water filling: an end valve door in one section plastic hose road is closed, top end opening water filling in this section plastic hose of the valve by the other end, treat that fills with water expands in this section plastic hose road after, stop water filling and the water filling port sealing kept hydraulic pressure; Described plastic hose appearance is provided with outwards outstanding structure;
5) fill concrete: before the drying, the water in the plastic hose road will keep hydraulic pressure firmly admittedly for fill concrete in the pipe trench in the plastic hose road outside, and the plastic hose road wrapped up fully, fill concrete; During fill concrete at each valve place initialize operation well;
6) backfilling of pipe canal: fill concrete carries out sandy soil backfill after consolidating drying firmly above fill concrete, and sandy soil backfill will be tamped backfill later, after the backfill drying, accomplishes fluently road crust above backfill, makes it concordant with original road surface.
2. the job practices of a kind of laying water pipes according to claim 1 is characterized in that, is provided with cage of reinforcement in bed course and fill concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010101068A CN101775826A (en) | 2010-01-26 | 2010-01-26 | Construction method for laying water pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010101068A CN101775826A (en) | 2010-01-26 | 2010-01-26 | Construction method for laying water pipes |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922586A (en) * | 2010-08-06 | 2010-12-22 | 云南白药集团股份有限公司 | Method for installing outdoor process pipelines |
| CN102182866A (en) * | 2011-03-25 | 2011-09-14 | 浙江省火电建设公司 | Backfilling process for large ultra-deep circulating water pipe |
| CN102182867A (en) * | 2011-04-14 | 2011-09-14 | 中国十九冶集团有限公司 | Method for laying ore pulp pipelines in quicksand bed section |
| CN102776950A (en) * | 2012-08-15 | 2012-11-14 | 中冶建工集团有限公司 | Construction method of concrete packing light pipeline |
| CN102877538A (en) * | 2012-10-22 | 2013-01-16 | 济南城建集团有限公司 | Construction method for fixing HDPE (high-density polypropylene) pipe by embedding iron wires |
| CN103114643A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Large-caliber drainage pipeline construction assembly and construction method thereof |
| CN103234078A (en) * | 2013-05-11 | 2013-08-07 | 中煤科工集团武汉设计研究院 | Laying method of long distance coal conveying pipeline at debris flow gully section |
| CN103527847A (en) * | 2013-10-30 | 2014-01-22 | 重庆大学 | Pipe burying structure capable of reducing pipe top vertical loads and construction method for pipe burying structure |
| CN104653902A (en) * | 2014-12-19 | 2015-05-27 | 华北水利水电大学 | Water-saving irrigation pipeline and construction method thereof |
| CN104895174A (en) * | 2015-06-02 | 2015-09-09 | 杭州江润科技有限公司 | Construction method of large-diameter rain sewage pipeline assembling type component structure |
| CN105221839A (en) * | 2015-10-21 | 2016-01-06 | 中国海洋石油总公司 | The construction process of the Large Diameter Pipeline pipeline under double-type cryogenic insulating |
| CN105386505A (en) * | 2015-10-14 | 2016-03-09 | 陕西建工机械施工集团有限公司 | Compaction construction method of lower arc position of sandy soil basement drain pipe |
| CN105443864A (en) * | 2015-08-27 | 2016-03-30 | 中国十七冶集团有限公司 | Method for preventing corrugated pipe from being damaged in filled layer |
| CN105638387A (en) * | 2015-12-28 | 2016-06-08 | 嵊州市意海电机配件厂 | Water-saving irrigation construction method through water pump |
| CN107940098A (en) * | 2017-11-17 | 2018-04-20 | 广州自来水专业建安有限公司 | A kind of concrete water supply line method of replacing |
| CN109898548A (en) * | 2019-02-14 | 2019-06-18 | 济南城建集团有限公司 | Exempt from the assembling module and construction method of compacting in a kind of municipal pipeline basis |
| CN110230272A (en) * | 2019-05-17 | 2019-09-13 | 北京市市政工程研究院 | A kind of pipe culvert construction method |
| CN111021372A (en) * | 2020-01-08 | 2020-04-17 | 赵凤玲 | Method for reinforcing community road passing pipe |
| CN111042163A (en) * | 2019-12-31 | 2020-04-21 | 上海祥曙科技发展中心 | Large-diameter polyethylene plastic pipeline installation structure and construction method |
| CN111155623A (en) * | 2019-12-10 | 2020-05-15 | 宣城市政建设集团有限公司 | Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch |
| CN111926763A (en) * | 2020-07-16 | 2020-11-13 | 福建省金盾建设工程有限公司 | Water conservancy construction positioning method |
| CN112064751A (en) * | 2020-08-08 | 2020-12-11 | 上海静安市政工程有限公司 | Deep groove construction method for drainage pipeline |
| CN113062331A (en) * | 2021-03-24 | 2021-07-02 | 中国五冶集团有限公司 | Pipeline burying method |
| CN115111434A (en) * | 2022-08-30 | 2022-09-27 | 天津建设发展集团有限公司 | Construction method of underground pipeline |
| CN115233524A (en) * | 2022-03-31 | 2022-10-25 | 惠州学院 | Method for quickly recovering road excavation |
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2010
- 2010-01-26 CN CN201010101068A patent/CN101775826A/en active Pending
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922586A (en) * | 2010-08-06 | 2010-12-22 | 云南白药集团股份有限公司 | Method for installing outdoor process pipelines |
| CN102182866A (en) * | 2011-03-25 | 2011-09-14 | 浙江省火电建设公司 | Backfilling process for large ultra-deep circulating water pipe |
| CN102182866B (en) * | 2011-03-25 | 2012-11-07 | 浙江省火电建设公司 | Backfilling process for large ultra-deep circulating water pipe |
| CN102182867A (en) * | 2011-04-14 | 2011-09-14 | 中国十九冶集团有限公司 | Method for laying ore pulp pipelines in quicksand bed section |
| CN102182867B (en) * | 2011-04-14 | 2012-12-05 | 中国十九冶集团有限公司 | Method for laying ore pulp pipelines in quicksand bed section |
| CN102776950A (en) * | 2012-08-15 | 2012-11-14 | 中冶建工集团有限公司 | Construction method of concrete packing light pipeline |
| CN102877538A (en) * | 2012-10-22 | 2013-01-16 | 济南城建集团有限公司 | Construction method for fixing HDPE (high-density polypropylene) pipe by embedding iron wires |
| CN103114643B (en) * | 2013-03-04 | 2014-11-12 | 济南城建集团有限公司 | Large-caliber drainage pipeline construction assembly and construction method thereof |
| CN103114643A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Large-caliber drainage pipeline construction assembly and construction method thereof |
| CN103234078A (en) * | 2013-05-11 | 2013-08-07 | 中煤科工集团武汉设计研究院 | Laying method of long distance coal conveying pipeline at debris flow gully section |
| CN103527847A (en) * | 2013-10-30 | 2014-01-22 | 重庆大学 | Pipe burying structure capable of reducing pipe top vertical loads and construction method for pipe burying structure |
| CN104653902A (en) * | 2014-12-19 | 2015-05-27 | 华北水利水电大学 | Water-saving irrigation pipeline and construction method thereof |
| CN104895174A (en) * | 2015-06-02 | 2015-09-09 | 杭州江润科技有限公司 | Construction method of large-diameter rain sewage pipeline assembling type component structure |
| CN104895174B (en) * | 2015-06-02 | 2016-08-24 | 神州建设集团有限公司 | The construction method of heavy caliber rain sewage conduct assembled modular construction |
| CN105443864A (en) * | 2015-08-27 | 2016-03-30 | 中国十七冶集团有限公司 | Method for preventing corrugated pipe from being damaged in filled layer |
| CN105443864B (en) * | 2015-08-27 | 2017-12-05 | 中国十七冶集团有限公司 | A kind of method for preventing bellows to be destroyed in packing course |
| CN105386505A (en) * | 2015-10-14 | 2016-03-09 | 陕西建工机械施工集团有限公司 | Compaction construction method of lower arc position of sandy soil basement drain pipe |
| CN105386505B (en) * | 2015-10-14 | 2017-07-18 | 陕西建工机械施工集团有限公司 | The closely knit construction method of circular arc under sand substrate drainpipe |
| CN105221839A (en) * | 2015-10-21 | 2016-01-06 | 中国海洋石油总公司 | The construction process of the Large Diameter Pipeline pipeline under double-type cryogenic insulating |
| CN105638387A (en) * | 2015-12-28 | 2016-06-08 | 嵊州市意海电机配件厂 | Water-saving irrigation construction method through water pump |
| CN107940098A (en) * | 2017-11-17 | 2018-04-20 | 广州自来水专业建安有限公司 | A kind of concrete water supply line method of replacing |
| CN109898548A (en) * | 2019-02-14 | 2019-06-18 | 济南城建集团有限公司 | Exempt from the assembling module and construction method of compacting in a kind of municipal pipeline basis |
| CN110230272A (en) * | 2019-05-17 | 2019-09-13 | 北京市市政工程研究院 | A kind of pipe culvert construction method |
| CN111155623A (en) * | 2019-12-10 | 2020-05-15 | 宣城市政建设集团有限公司 | Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch |
| CN111042163A (en) * | 2019-12-31 | 2020-04-21 | 上海祥曙科技发展中心 | Large-diameter polyethylene plastic pipeline installation structure and construction method |
| CN111021372A (en) * | 2020-01-08 | 2020-04-17 | 赵凤玲 | Method for reinforcing community road passing pipe |
| CN111926763A (en) * | 2020-07-16 | 2020-11-13 | 福建省金盾建设工程有限公司 | Water conservancy construction positioning method |
| CN112064751A (en) * | 2020-08-08 | 2020-12-11 | 上海静安市政工程有限公司 | Deep groove construction method for drainage pipeline |
| CN113062331A (en) * | 2021-03-24 | 2021-07-02 | 中国五冶集团有限公司 | Pipeline burying method |
| CN115233524A (en) * | 2022-03-31 | 2022-10-25 | 惠州学院 | Method for quickly recovering road excavation |
| CN115233524B (en) * | 2022-03-31 | 2023-11-10 | 惠州学院 | Method for rapidly restoring road excavation |
| CN115111434A (en) * | 2022-08-30 | 2022-09-27 | 天津建设发展集团有限公司 | Construction method of underground pipeline |
| CN115111434B (en) * | 2022-08-30 | 2022-11-15 | 天津建设发展集团有限公司 | Construction method of underground pipeline |
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Open date: 20100714 |