CN101793332B - Horizontal directional drilling composite-curve pipeline crossing construction method - Google Patents
Horizontal directional drilling composite-curve pipeline crossing construction method Download PDFInfo
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- CN101793332B CN101793332B CN2010101265393A CN201010126539A CN101793332B CN 101793332 B CN101793332 B CN 101793332B CN 2010101265393 A CN2010101265393 A CN 2010101265393A CN 201010126539 A CN201010126539 A CN 201010126539A CN 101793332 B CN101793332 B CN 101793332B
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Abstract
The invention discloses a horizontal directional drilling composite-curve pipeline crossing construction method, which comprises the steps of: drilling a descending pilot hole inclined towards the outer side of an overlooking direction of a structure by using a directional crossing drilling machine from a soil drill-in point; drilling a descending vertical curve; then drilling a structure bypassing section, gradually turning to the outer side of the overlooking direction of the structure and gradually turning back to bypass the structure; and drilling an ascending vertical curve from the structure bypassing section, and drilling an ascending pilot hole inclined towards an excavated point from the ascending vertical curve, wherein the structure bypassing section is optimally positioned in one horizontal by-pass plane. In the construction method, when ground and underground structures are met in vertical planes of laying-out lines of pipelines, composite curves are adopted to bypass the structures from places besides the structures without adjusting the soil drill-in points and an excavated points of the pipelines, so that two or more than two ground and underground structures can be bypassed, and thus the construction method expands application range of the horizontal directional drilling in the construction of pipeline laying projects and ensures the safety distance of the laid pipelines and the ground and underground structures.
Description
Technical field
The present invention relates to a kind of horizontal directional drilling pipeline construction method for crossing, particularly a kind of horizontal directional drilling composite-curve pipeline crossing construction method.
Background technique
Traditional horizontal directional drilling pipeline construction method for crossing, when pipeline bury a little and when having ground and underground structure between the unearthed point, earlier pass through rig and make a descending pilot hole to the structure bottom angled with orientation from burying of structure one side, after surpassing the degree of depth of structure, make a call to descending perpendicular bending, the flat pilot hole that continues to fetch water from the structure below then moves ahead, when pilot hole is also crossed structure in the horizontal direction, make a call to up perpendicular bending, then make a up pilot hole that tilts to unearthed point.This method of construction, from overlooking direction, pipeline bury a little and same vertical plane that the unearthed point line is downward in lay.Generally the code requirement pipeline must not pass maybe under the structure and must get around structure, even if the pipeline that the standard permission can be passed from the below, when the degree of depth of institute's chance structure darker, be difficult to when the below of structure is passed through, can only reselect burying a little and unearthed point of pipeline, from overlooking direction, pipeline bury a little and the line of unearthed point must be avoided structure and just can construct, and pipeline bury a little and the adjustment of unearthed point will influence the trend of overall pipeline, increase the difficulty and the workload of exploration, construction.
Summary of the invention
For solving in the prior art, when running into ground and underground structure in the vertical plane of pipe laying circuit, must reselect burying a little and the problem of unearthed point of pipeline, the invention provides a kind of horizontal directional drilling composite-curve pipeline crossing construction method, when in the vertical plane of pipe laying circuit, running into ground and underground structure, pilot hole can get around structure, need not adjust burying a little and unearthed point of pipeline.
For solving above technical problem, a kind of horizontal directional drilling composite-curve pipeline crossing construction method provided by the present invention comprises the steps: that (1) pass through rig from burying with orientation and make a call to one and overlook the descending pilot hole that the outside of direction tilts to structure; (2) follow descending pilot hole, make a call to descending perpendicular bending; (3) follow descending perpendicular bending, beat the structure section of detouring, progressively turn the outside from direction to structure that overlook, then progressively turn back, until walking around structure; (4) follow the structure section of detouring, make a call to up perpendicular bending, follow the up perpendicular curved up pilot hole of making a call to one to the unearthed point inclination again.
With respect to prior art, adopt method of construction of the present invention, obtained following beneficial effect: when in the vertical plane of pipe laying circuit, running into ground and underground structure, need not adjust burying a little and unearthed point of pipeline, adopt compound bending to detour from the structure side, can get around two or more ground and underground structure, expand horizontal orientation and be drilled in application area in the ducting works construction, guarantee the safe distance of channelling and ground and underground structure.
As preferred version of the present invention, the described structure section of detouring is positioned at the same level plane of detouring, and fetch water successively in level detours the plane straight row section and level are bent, join end to end, progressively turn the outside from direction to structure that overlook, then progressively turn back, until walking around structure.The structure section of detouring is positioned at the same level plane of detouring, and can reduce the difficulty of construction, improves the validity of punching.
As the present invention further optimization scheme, on the level plane of detouring, turn out by level first direction that section and first level bending towards away from structure of keeping straight on, flat second section of keeping straight on of fetching water again arrives the flex point that departs from structure most; By curved the keep straight on section and the 3rd level is curved progressively turns back to the direction near structure of level the 3rd that carries out the transition to of second level, the flat the 4th section realization of keeping straight on of fetching water again gets around structure.When detouring structure, can make the route that detours gentler, be convenient to pipeline and walk by multistage craspedodrome section and elbow end-to-end.
Description of drawings
Fig. 1 is the pilot hole route map of horizontal directional drilling composite-curve pipeline crossing construction method of the present invention.
Among the figure: 1a buries that descending perpendicular curved, the 2a level first of descending section, 1b keeps straight on that section, 2b first level are curved, 2c level second is kept straight on section, 2d second level is curved, 2e level the 3rd is kept straight on section, 2f the 3rd level is curved, 2g level the 4th is kept straight on section, 3a up perpendicular curved, up unearthed section of 3b, A bury point, B unearthed point, C structure.
Embodiment
As shown in Figure 1, when having ground and underground structure C between an A and the unearthed point B when burying, horizontal directional drilling composite-curve pipeline crossing construction method of the present invention, by data computation in advance, design and pass through track,, pipe laying is needed to control effectively with track according to the technical parameter of guiding instrument, make track carry out angular adjustment with vertical direction, reach expection and pass through purpose in level.Construction sequence is as follows: (1) is passed through rig from burying with orientation and is made a call to one and overlook the descending pilot hole that the outside of direction tilts, the i.e. descending section 1a that bury shown in the figure to structure; (2) the descending section 1a that then bury makes a call to a descending perpendicular curved 1b; (3) follow descending perpendicular curved 1b, beat the structure section of detouring, progressively turn the outside from direction to structure that overlook, then progressively turn back, until walking around structure; The structure section of detouring preferably is positioned at the same level plane of detouring, and fetch water successively in level detours the plane straight row section and level are bent, and join end to end; As shown in FIG., in level detours the plane, turn out towards the direction away from structure C by level first craspedodrome section 2a and the curved 2b of first level, the flat second craspedodrome section 2c that fetches water again arrives the flex point that departs from structure C most; Carry out the transition to keep straight on section 2e and the curved 2f of the 3rd level of level the 3rd by the curved 2d of second level and progressively turn back to the direction near structure, the flat the 4th section 2g realization of keeping straight on of fetching water again gets around structure C; (4) follow the structure section of detouring, make a call to a up perpendicular curved 3a, follow up perpendicular curved 3a again and make a call to a up pilot hole, i.e. up unearthed section 3b shown in the figure to the unearthed point inclination.
In addition to the implementation, the present invention can also have other mode of executions, as or profile big when structure when irregular, can adopt the multistage level section of keeping straight on to join end to end with level is curved on the level plane of detouring, and can get around a plurality of with upper ground surface and underground structure.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (3)
1. a horizontal directional drilling composite-curve pipeline crossing construction method is characterized in that, this method of construction comprises the steps:
(1) passing through rig from burying with orientation makes a call to one and overlooks the descending pilot hole that the outside of direction tilts to structure;
(2) follow descending pilot hole, make a call to descending perpendicular bending;
(3) follow descending perpendicular bending, beat the structure section of detouring, progressively turn the outside from direction to structure that overlook, then progressively turn back, until walking around structure;
(4) follow the structure section of detouring, make a call to up perpendicular bending, follow the up perpendicular curved up pilot hole of making a call to one to the unearthed point inclination again.
2. horizontal directional drilling composite-curve pipeline crossing construction method according to claim 1, it is characterized in that, the described structure section of detouring is positioned at the same level plane of detouring, straight row section and the level of fetching water successively in level detours the plane is curved, join end to end, progressively turn the outside from direction to structure that overlook, then progressively turn back, until walking around structure.
3. horizontal directional drilling composite-curve pipeline crossing construction method according to claim 2, it is characterized in that, on the level plane of detouring, turn out by level first direction that section and first level bending towards away from structure of keeping straight on, flat second section of keeping straight on of fetching water again arrives the flex point that departs from structure most; By curved the keep straight on section and the 3rd level is curved progressively turns back to the direction near structure of level the 3rd that carries out the transition to of second level, the flat the 4th section realization of keeping straight on of fetching water again gets around structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101265393A CN101793332B (en) | 2010-03-18 | 2010-03-18 | Horizontal directional drilling composite-curve pipeline crossing construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101265393A CN101793332B (en) | 2010-03-18 | 2010-03-18 | Horizontal directional drilling composite-curve pipeline crossing construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101793332A CN101793332A (en) | 2010-08-04 |
| CN101793332B true CN101793332B (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101265393A Expired - Fee Related CN101793332B (en) | 2010-03-18 | 2010-03-18 | Horizontal directional drilling composite-curve pipeline crossing construction method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870819B (en) * | 2017-03-24 | 2017-12-26 | 广州市恒盛建设工程有限公司 | A kind of high density polyethylene (HDPE) non-pressure pipe horizontal directional drilling construction method |
| CN110319274A (en) * | 2019-07-08 | 2019-10-11 | 新兴铸管股份有限公司 | A kind of new ductile iron pipe drag pipe construction technique |
| CN112528429A (en) * | 2020-11-27 | 2021-03-19 | 中铁磁浮科技（成都）有限公司 | Bent pipe coordinate configuration method under interference condition |
| CN113309463B (en) * | 2021-06-08 | 2024-03-08 | 陕西华山路桥集团有限公司 | Method and device for improving control precision of directional drilling soil angle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694913A (en) * | 1986-05-16 | 1987-09-22 | Gas Research Institute | Guided earth boring tool |
| CN1693668A (en) * | 2005-06-17 | 2005-11-09 | 上海市隧道工程轨道交通设计研究院 | Counter pulling method used in underground pipe culvert linear dark digging |
| CN101158270A (en) * | 2007-11-19 | 2008-04-09 | 上海煤气第二管线工程有限公司 | Prime hole reverse pushing construction method in horizontal orienting drilling and prime hole reverse pushing device |
| CN101158268A (en) * | 2007-11-15 | 2008-04-09 | 中铁二局股份有限公司 | Construction method for super-long high-precision horizontal drilling |
| CN101457853A (en) * | 2008-11-20 | 2009-06-17 | 江苏广宇建设集团有限公司 | Non-digging tube-pulling construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317883A (en) * | 1997-05-19 | 1998-12-02 | Nippon Kaiyo Kutsusaku Kk | Method of ultrasmall bore drilling construction |
-
2010
- 2010-03-18 CN CN2010101265393A patent/CN101793332B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694913A (en) * | 1986-05-16 | 1987-09-22 | Gas Research Institute | Guided earth boring tool |
| CN1693668A (en) * | 2005-06-17 | 2005-11-09 | 上海市隧道工程轨道交通设计研究院 | Counter pulling method used in underground pipe culvert linear dark digging |
| CN101158268A (en) * | 2007-11-15 | 2008-04-09 | 中铁二局股份有限公司 | Construction method for super-long high-precision horizontal drilling |
| CN101158270A (en) * | 2007-11-19 | 2008-04-09 | 上海煤气第二管线工程有限公司 | Prime hole reverse pushing construction method in horizontal orienting drilling and prime hole reverse pushing device |
| CN101457853A (en) * | 2008-11-20 | 2009-06-17 | 江苏广宇建设集团有限公司 | Non-digging tube-pulling construction method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-317883A 1998.12.02 |
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| CN101793332A (en) | 2010-08-04 |
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