CN109119943A - System of laying optimization method of the cable at push pipe both ends - Google Patents
System of laying optimization method of the cable at push pipe both ends Download PDFInfo
- Publication number
- CN109119943A CN109119943A CN201811053237.0A CN201811053237A CN109119943A CN 109119943 A CN109119943 A CN 109119943A CN 201811053237 A CN201811053237 A CN 201811053237A CN 109119943 A CN109119943 A CN 109119943A
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- Prior art keywords
- pipe
- cable
- push pipe
- laying
- cable protection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A kind of system of laying optimization method the invention discloses cable at push pipe both ends comprising following steps: 1) with pipe jacking construction technique one section push pipe is built；2) weldable, the cable protection pipe with certain flexibility are added inside push pipe, and cable protection pipe is fixed using plain concrete every 5-10 meters inside push pipe；3) two ends of push pipe are blocked with concrete；4) cable protection pipe that laying has armored concrete protection is tilted upward in push pipe two sides, laying is located to 1-2 meter from the ground, and construction cable observation well here, and wherein cable is observed well and totally two and split in push pipe two sides oblique upper；5) cabling in the cable protection pipe laid.
Description
Technical field
The present invention relates to power cable pipe jacking construction technique field, system of laying of especially a kind of cable at push pipe both ends
Optimization method.
Background technique
With the process of modernization of the country, urban construction step is getting faster, various municipal pipelines underground it is criss-cross,
Stacking is gathered, and the civic building on ground is also more and more, and excavation construction becomes road quality when cable laying in power engineering
Difference, welding, while carrying out inconvenience to people's lives, work belt, construction cost is higher and higher.Boring more some iron
When the important means of transportation such as road, highway, river, do not allow to break off a friendship brokenly road construction, trenchless technology brill can only be taken to get over, generally
Push pipe can be used or trombone slide bores the technology of getting over.
1. pipe jacking construction technique: jacking construction is a kind of underground pipeline construction side for growing up after the shield-tunneling construction
Method, it does not need to excavate surface layer, and being capable of Zuan Yue highway, railway and various underground utilities etc..Jacking construction is by means of master
The thrust for pushing up oil cylinder and pipeline enclosure, relay well etc. passes through tool pipe or development machine out of active well soil layer and shifts reception onto always
It is sling in well.At the same time, also just the piping laying after tool pipe or development machine is followed closely between Liang Jing, to realize non-open
Dig the construction method of laying underground piping.
Jacking is that support is first arranged in active well and installs main jack, and the pipeline of required laying is immediately work
After having pipe, tool pipe is tunneled into soil layer under the action of main jack thrust, and the soil excavated is by soil pump or screw conveyor
Discharge is discharged by slush pump through pipeline in the form of mud, and after promoting a length of tubing, main jack is retracted, another in lifting
Length of tubing continues jacking.And so on, until pipeline laying finishes.After pipeline has been laid with, tool pipe is hung to ground from received well
Face.
2. power cable engineering traditional system of laying in push pipe: push pipe, which bores, to be got in construction, need to be arranged at push pipe both ends
Size is arranged by depth in active well, active well, and 5-10 meters of upper pipe working well is 8 × 5 × h, and reception active well is 6 × 5 × h,
It can borrow institute's construction working well that cable shaft is set under normal circumstances, then cable, which gets over the common laying scheme of push pipe in cable drill, is
Cable shaft is respectively set at push pipe both ends, cable is applied along cable installations such as cable ditch, comb, tunnels again after climbing up from cable shaft
If as shown in Fig. 1, in figure 1 ' be cable, 2 ' be push pipe, 3 ' be cable shaft.
3. power cable engineering defect existing for traditional system of laying in push pipe: such scheme can in cable shaft shape
At two approximate right angle sections, cable laying difficulty is increased, while the cost of cable shaft is higher, increases construction budget；By
It is deeper in push pipe and cable shaft, it is larger to cable laying difficulty of construction, and to late maintenance cost also can relative increase, it is right
In the relatively high position in coastal area or level of ground water, easy ponding in vertical shaft also can to later period cable construction and maintenance difficulties
It further increases.
Summary of the invention
There is provided that a kind of short construction period, overall cost be low, safety it is an object of the invention to solve above-mentioned technical problem
System of laying optimization method of the good cable of performance at push pipe both ends.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of system of laying optimization method of cable at push pipe both ends, comprising the following steps:
1) one section of push pipe is built with pipe jacking construction technique；
2) weldable, the cable protection pipe with certain flexibility are added inside push pipe, and every 5-10 inside push pipe
Rice fixes cable protection pipe using plain concrete；
3) two ends of push pipe are blocked with concrete；
4) cable protection pipe that laying has armored concrete protection is tilted upward in push pipe two sides, laid to from the ground
At 1-2 meters, and construction cable observes well here, and wherein cable observation well two and is split in push pipe two sides oblique upper totally；
5) cabling in the cable protection pipe laid.
Further, the detailed process of cable protection pipe of the laying with armored concrete protection includes: in step 4)
It is tilted upward respectively at push pipe both ends first and excavates out a channel, reinforced concrete foundation is then done in channel, and use plank
With the fixed cable protection tube model out of reinforcing bar, it is put into cable protection pipe later, is finally tamped with concrete.
Further, the angle of cable protection pipe and horizontal plane that push pipe two sides tilt upward setting of being laid in is 20-30
Degree.
Further, the cable protection pipe is made of PE material.
The beneficial effects of the present invention are:
1, it avoids creating cable shaft in push pipe mouth, need to only climb in cable protection pipe to one electricity of increase at liftoff two meters
Cable observes well, reduces project cost.
2, it is avoided in cable laying instead of cable shaft with cable observation well and quarter bend occurs, meeting cable
While the requirement of turning radius, tractive force of the cable in laying is reduced, the difficulty of cable laying is reduced.
It is 3, this to be convenient for later operation and maintenance with the method that push pipe part is connected with direct-burried section cable in a manner of climbing,
Reduce failure odds.
4, this kind of method short construction period, overall cost is low, has a safety feature.
Detailed description of the invention
Fig. 1 is to optimize preceding cable in traditional system of laying schematic diagram at push pipe both ends；
Fig. 2 is using cable after method optimization of the invention in the system of laying schematic diagram at push pipe both ends；
Fig. 3 is the cross-section diagram in the present invention inside push pipe.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
System of laying schematic diagram Fig. 2 shows cable after optimization at push pipe both ends；1 is cable in figure, and 2 be push pipe, and 3 are
Cable observes well, and 4 be cable protection pipe.
Fig. 3 shows the cross-section diagram in the present invention inside push pipe；2 be push pipe in figure, and 4 be cable protection pipe, wherein basis
The requirement of the quantity and size of cable, cable protection pipe are equipped with different-diameter there are many more and designs.
The present invention adds the weldables such as PE, with certain flexibility on the basis of original pipe-jacking project inside push pipe 2
Cable protection pipe 4 is fixed cable protection pipe 4 using plain concrete, inside push pipe 2 every 5-10 meters inside push pipe 2
Cross-section diagram is as shown in Figure 3.
After the completion of cable protection pipe 4 is constructed, 2 end of push pipe is blocked using concrete, then utilizes the soft of its tubing
Toughness is laid to two upper sides, wait lay at away from ground 1-2 meters be connected to newly set cable observation well 3 terminate, cable 1 cable guarantor
It is laid in pillar 4, as shown in Figure 2.
Cable of the invention push pipe both ends system of laying optimization method, specifically includes the following steps:
1) one section of push pipe 2 is built with pipe jacking construction technique；
2) on the basis of original pipe-jacking project, weldable, the cable protection with certain flexibility are added inside push pipe 2
Pipe 4, and cable protection pipe 4 is fixed using plain concrete every 5-10 meters inside push pipe 2；Wherein cable protection pipe 4
More are laid with, and multi-cable protection pipe 4 constitutes cable duct bank；
3) two ends of push pipe 2 are blocked with concrete；
4) cable protection pipe that laying has armored concrete protection is tilted upward in 2 two sides of push pipe, laid to liftoff
At face 1-2 meters, and construction cable observes well 3 here, and wherein cable observation well 3 two and is split on 2 liang of skew backs of push pipe totally
Side；It includes: to incline respectively at 2 both ends of push pipe first that wherein laying, which has the detailed process of the cable protection pipe of armored concrete protection,
A channel is excavated out obliquely, reinforced concrete foundation is then done in channel, and fix out cable protection with plank and reinforcing bar
Tube model is put into multi-cable protection pipe (cable duct bank) later, is finally tamped with concrete.
5) cabling 1 in the multi-cable protection pipe (cable duct bank) laid.
Further, 2 two sides of push pipe that are laid in tilt upward the cable protection pipe 4 of setting and the angle of horizontal plane is 20-
30 degree.
Further, the cable protection pipe 4 is made of PE material.
Previous jacking pipe construction process is optimized in the present invention, and the cable with certain flexibility is added inside push pipe
Protection pipe, cable protection pipe is extended and climbed using its flexibility to away from ground by push pipe both ends is suitble to the height such as cable ditch, comb, tunnel
Afterwards, then cable observation well is set, provides construction site for later period cable laying.This kind of method can effectively reduce cable and push up
Laying difficulty in the vertical shaft of nozzle, while also can reduce later period operation and maintenance difficulty.
In conclusion the contents of the present invention are not limited in the above embodiments, those skilled in the art can be
It is proposed other embodiments within technological guidance's thought of the invention, but these embodiments be included in the scope of the present invention it
It is interior.
Claims (4)
1. a kind of cable is in the system of laying optimization method at push pipe both ends, which comprises the following steps:
1) one section of push pipe is built with pipe jacking construction technique；
2) weldable, the cable protection pipe with certain flexibility are added inside push pipe, and right every 5-10 meters inside push pipe
Cable protection pipe is fixed using plain concrete；
3) two ends of push pipe are blocked with concrete；
4) cable protection pipe that laying has armored concrete protection, laying to 1-2 from the ground are tilted upward in push pipe two sides
Rice place, and construction cable observes well here, wherein cable is observed well and totally two and is split in push pipe two sides oblique upper；
5) cabling in the cable protection pipe laid.
2. cable described in accordance with the claim 1 is in the system of laying optimization method at push pipe both ends, which is characterized in that in step 4)
It includes: to tilt upward respectively at push pipe both ends first that middle laying, which has the detailed process of the cable protection pipe of armored concrete protection,
A channel is excavated out, reinforced concrete foundation is then done in channel, and fix out cable protection tube model with plank and reinforcing bar,
It is put into cable protection pipe later, is finally tamped with concrete.
3. cable described in accordance with the claim 1 is in the system of laying optimization method at push pipe both ends, which is characterized in that be laid in top
The angle of cable protection pipe and horizontal plane that pipe two sides tilt upward setting is 20-30 degree.
4. cable described in accordance with the claim 1 is in the system of laying optimization method at push pipe both ends, which is characterized in that the cable
Protection pipe is made of PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053237.0A CN109119943A (en) | 2018-09-10 | 2018-09-10 | System of laying optimization method of the cable at push pipe both ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053237.0A CN109119943A (en) | 2018-09-10 | 2018-09-10 | System of laying optimization method of the cable at push pipe both ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109119943A true CN109119943A (en) | 2019-01-01 |
Family
ID=64858252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811053237.0A Pending CN109119943A (en) | 2018-09-10 | 2018-09-10 | System of laying optimization method of the cable at push pipe both ends |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972940A (en) * | 2021-03-18 | 2021-06-18 | 国网安徽省电力有限公司电力科学研究院 | Quick filler plugging device of cable pit conflagration |
| CN113241682A (en) * | 2021-06-17 | 2021-08-10 | 广东威恒输变电工程有限公司 | Cable laying construction method |
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|---|---|---|---|---|
| JP2006121800A (en) * | 2004-10-20 | 2006-05-11 | Aron Kasei Co Ltd | Method of laying cable using land-buried pipe, and the land-buried pipe |
| CN203239355U (en) * | 2013-04-26 | 2013-10-16 | 苏州二建建筑集团有限公司 | Jacking type cable sleeve channel structure |
| CN103711492A (en) * | 2013-04-26 | 2014-04-09 | 苏州二建建筑集团有限公司 | Pipe-jacking type cable sleeve passage construction method |
| CN103791159A (en) * | 2012-11-02 | 2014-05-14 | 成张佳宁 | Pipe-jacking construction method for small-diameter pipes |
| CN205231678U (en) * | 2015-12-11 | 2016-05-11 | 福州万山电力咨询有限公司 | Non - excavation trombone slide of power cable |
| CN105604555A (en) * | 2016-03-11 | 2016-05-25 | 广州电力设计院 | Pipe-jacking tunnel and construction method of pipe-jacking tunnel |
| CN106329401A (en) * | 2015-06-19 | 2017-01-11 | 国网天津市电力公司 | Laying method for jacking pipe |
-
2018
- 2018-09-10 CN CN201811053237.0A patent/CN109119943A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006121800A (en) * | 2004-10-20 | 2006-05-11 | Aron Kasei Co Ltd | Method of laying cable using land-buried pipe, and the land-buried pipe |
| CN103791159A (en) * | 2012-11-02 | 2014-05-14 | 成张佳宁 | Pipe-jacking construction method for small-diameter pipes |
| CN203239355U (en) * | 2013-04-26 | 2013-10-16 | 苏州二建建筑集团有限公司 | Jacking type cable sleeve channel structure |
| CN103711492A (en) * | 2013-04-26 | 2014-04-09 | 苏州二建建筑集团有限公司 | Pipe-jacking type cable sleeve passage construction method |
| CN106329401A (en) * | 2015-06-19 | 2017-01-11 | 国网天津市电力公司 | Laying method for jacking pipe |
| CN205231678U (en) * | 2015-12-11 | 2016-05-11 | 福州万山电力咨询有限公司 | Non - excavation trombone slide of power cable |
| CN105604555A (en) * | 2016-03-11 | 2016-05-25 | 广州电力设计院 | Pipe-jacking tunnel and construction method of pipe-jacking tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112972940A (en) * | 2021-03-18 | 2021-06-18 | 国网安徽省电力有限公司电力科学研究院 | Quick filler plugging device of cable pit conflagration |
| CN113241682A (en) * | 2021-06-17 | 2021-08-10 | 广东威恒输变电工程有限公司 | Cable laying construction method |
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Application publication date: 20190101 |