CN103292035A - Construction method of underground pipe jacking - Google Patents
Construction method of underground pipe jacking Download PDFInfo
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- CN103292035A CN103292035A CN2013101987675A CN201310198767A CN103292035A CN 103292035 A CN103292035 A CN 103292035A CN 2013101987675 A CN2013101987675 A CN 2013101987675A CN 201310198767 A CN201310198767 A CN 201310198767A CN 103292035 A CN103292035 A CN 103292035A
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Abstract
The invention provides a construction method of underground pipe jacking. The construction method includes a) arranging control points at end points of each road segment in a same straight line; b) producing and arranging a working well; c) mounting a guide rail and a jacking device; d) mounting a point unit, and allowing extension of the pointed direction of the point unit to be located in same plane with the straight where the control points located; e) mounting an orientation unit, hoisting two first-segment pipelines, allowing the orientation unit to receive the oriented direction from the point unit, starting the jacking device to jack the two first-segment pipelines in opposite directions, and excavating at the front ends of the first-segment pipelines; f) hoisting a pipeline, connecting the pipeline with a front pipeline, allowing the orientation unit to receive the pointed direction of the point unit, starting the jacking device to jack the pipeline in the opposite direction, and excavating at the front ends of the first-segment pipelines; g) repeating step f till the pipeline is mounted completely, and allowing the pipeline to be a joint unit between the two first-segment pipelines.
Description
Technical field
The present invention relates to the underground pipeline construction method, specifically, relate to the method for construction of the two-way jacking of a kind of underground push pipe.
Background technique
Under ground piping is to be laid on underground pipeline for delivery of gas, liquid or solid, for example underground intake pipe, waste pipe, gas pipe or telecommunication cable pipe etc.In laying the process of under ground piping, may be in the traffic fortress in city, can't carry out digging direct-buried and truss built on stilts by the time, adopt pipe-jacking technology more.
Pipe-jacking technology is a kind of non-excavation driving formula pipe laying technology.Do not need to excavate ground, can pass through ground structure and underground utility, need not block traffic, little to the influence arround the construction.Fig. 1 is schematic representation, shows the method for construction of push pipe in the prior art.As shown in Figure 1, before construction, determine the initial point position of pipeline, perpendicular to floor manufacture active well 100 and received well 200, in active well 100, arrange reacting wall 110 etc., jacking equipment 300 such as jack 310, top iron 320 are installed, lifting pipeline 400, jack 300 promotes pipeline 400 and passes soil layer, adopt artificial or mechanical front end at pipeline 400 to cut the earth simultaneously, pipeline 400 is headed into one by one, in pushing up received well 200.Fig. 2 shows the reinforcing mode between the pipeline of push pipe in the prior art.As shown in Figure 2, for avoiding pipeline 400 jointing in jack-in process to produce mismatch or causing pipeline 400 to drift about owing to soil is soft partially, with the alignment of the interface of two pipelines 400, be fixed to the interface inboard of two pipelines 400 with packing 10 in welded steel plate semicircular, employing bolt 20 is fixed.When pipeline 400 jackings are finished, dismountable in packing 10.Usually, adopt the T bar collar to reinforce at the pipe joint place.And, in the process of jacking, determine the direct of travel of pipeline, if find deviation, should in time rectify a deviation.
The shortcoming of this method is that the distance of the unidirectional jacking of push pipe is limited, and especially artificial push pipe length is no more than in 100 meters the common distance usually, otherwise can cause the skew of push pipe big or push pipe is damaged, and the construction period is long.
Summary of the invention
The present invention makes in order to address the above problem.Specifically, the objective of the invention is to, the method of construction of the two-way jacking of a kind of underground push pipe is provided, in the common distance of unidirectional push pipe jacking, or the length of laying the highway section of push pipe is in the double length scope of common distance of unidirectional push pipe jacking, bilateral excavation active well, two-way jacking operation simultaneously, and accurately control the jacking precision, make pipeline accurately dock.
To achieve these goals, the invention provides the method for construction of the two-way jacking of a kind of underground push pipe, this method comprises: a) highway section is divided into two sections, at the end points place of each segmentation the control point is set, described control point is located on the same line; B) make active well and arrange described active well at the place, described control point at two ends, highway section; C) mounting guide rail and jacking equipment in described active well; D) the sensing unit is installed in described active well, the residing straight line of the extension of the assigned direction of described sensing unit and described control point is positioned at same vertical plane; E) on the top in first pipe joint road directed element is installed, two described first pipe joint roads are lifted on the described guide rail, described directed element receives the assigned direction of described designating unit, starts described jacking equipment and makes two first pipe joint road jackings in opposite directions, and cut the earth at the front end in described first pipe joint road; F) lifting pipeline, described pipeline the place ahead pipeline with it connects, and described directed element receives the assigned direction of described designating unit, starts described jacking equipment and makes pipeline jacking in opposite directions, and cut the earth at described first pipe joint road front end; G) repeating step f) extremely described pipeline installs, and makes at described two first joint pipeline enclosures to be connected unit.
Preferably, described jacking equipment comprises jack and top iron.
In addition, preferably, described sensing unit is laser theodolite, and described directed element is the laser pick-off target.
From top description and the practice as can be known, in the common distance of unidirectional push pipe jacking, or treat that the jacking road section length is in the common length apart from twice of unidirectional push pipe jacking, two active wells are excavated at two ends in the highway section, middle jacking from from the two ends while to the highway section, both can guarantee the jacking quality of pipeline, can improve speed of application again, reduce the engineering time.In addition, by the positioning action of designating unit and directed element, can be so that pipeline docks accurately.
Description of drawings
Fig. 1 is schematic representation, shows the method for construction of push pipe in the prior art;
Fig. 2 shows the reinforcing mode between the pipeline of push pipe in the prior art;
Fig. 3 is schematic representation, shows the method for construction of the two-way jacking of underground push pipe of the present invention; And
Fig. 4 is the finishing stage schematic representation that descends the method for construction of the two-way jacking of push pipe as shown in Figure 3.
Embodiment
The embodiment of the method for construction of the two-way jacking of underground push pipe of the present invention is described below with reference to the accompanying drawings.Those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.In addition, in this manual, identical reference character is represented same or analogous part.
The method of construction of the two-way jacking of a described a kind of underground push pipe of embodiment of various details.Fig. 3 is schematic representation, shows the method for construction of the two-way jacking of underground push pipe of the present invention.Fig. 4 is the finishing stage schematic representation of the method for construction of the two-way jacking of underground push pipe shown in Figure 3.
As shown in Figure 3, at first according to the position of the starting point A of the highway section AB that waits to lay push pipe and initial point B and between distance, to wait that the highway section AB that lays push pipe is divided into two segmentations in AC highway section and BD highway section, the length in AC highway section and BD highway section all is less than or equal to the maximum normal travel distance of the unidirectional laying of push pipe, end points place in each segmentation arranges control point A, C, D and B, control point A, C, D, B are located on the same line, and the distance between middle two control point C, the D is the distance between normal two pipelines 400.
Near control point A, the B at the AB two ends, highway section of waiting to lay push pipe, make active well 100.Here, refer near the control point on the bearing of trend of control point straight line of living in.The degree of depth of active well 100 will satisfy the elevation demand of pipeline 400, arranges two active wells 100 respectively, makes reacting wall 110 etc. in active well 100.Then, mounting guide rail 700 and jacking equipment 300 in two active wells 100; When mounting guide rail 700, adopt level instrument to check and approve the elevation of guide rail 700, avoid influencing the elevation of pipeline 400.Jacking equipment 300 comprises jack 310 and top iron 320.Extension and control point A, C, the residing straight lines of D, B that the assigned direction that points to 500, two sensings unit 500, unit is installed respectively in two active wells 100 are positioned at same vertical plane.
Directed element 600 is installed on top in two first pipe joint roads 400, on the guide rail 700 of two first pipe joint roads 400 lifting in the active well 100, at this moment, control point A, C, the residing straight line of D, B are positioned at same vertical plane on the extension of the assigned direction of the axis of pipeline 400 and two sensing unit 500 and the ground.Directed element 600 receives the assigned direction of designating unit 500, starts jacking equipment 300, makes first pipe joint road 400 jackings in opposite directions in two active wells 100, and cuts the earth at the front end in first pipe joint road 400.If directed element 600 does not receive the assigned direction of designating unit 500, should in time adjust the jacking direction, carry out correction of deviation.Preferably, pointing to unit 500 is laser theodolites, and directed element 600 is laser pick-off targets.Two laser theodolites are installed in the active well 100, two laser pick-off targets are installed to the top in first pipe joint road 400, the laser point of laser theodolite emission lays respectively at the same position of corresponding with it laser pick-off target, for example target center place.And the axis of the laser alignment of two laser theodolites emission overlaps, and is positioned at same vertical plane with the axis in first pipe joint road 400 and control point A, C, the residing straight line of D, B.If deviation takes place in the position of laser point, illustrate that then the jacking direction in first pipe joint road 400 departs from, should in time rectify a deviation.
From top description and the practice as can be known, in the common distance of unidirectional push pipe jacking, or treat that the jacking road section length is in the common length apart from twice of unidirectional push pipe jacking, two active wells are excavated at two ends in the highway section, middle jacking from from the two ends while to the highway section, both can guarantee the jacking quality of pipeline, can improve speed of application again, reduce the engineering time.In addition, by the positioning action of designating unit and directed element, can be so that pipeline docks accurately.
The method of construction of the two-way jacking of underground push pipe of the present invention has as above been described in the mode of example with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that for said method, can also make various improvement and combination on the basis that does not break away from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (3)
1. the method for construction of the two-way jacking of a underground push pipe comprises:
A) highway section is divided into two sections, at the end points place of each segmentation the control point is set, described control point is located on the same line;
B) make active well and arrange described active well at the place, described control point at two ends, highway section;
C) mounting guide rail and jacking equipment in described active well;
D) the sensing unit is installed in described active well, the residing straight line of the extension of the assigned direction of described sensing unit and described control point is positioned at same vertical plane;
E) on the top in first pipe joint road directed element is installed, two described first pipe joint roads are lifted on the described guide rail, described directed element receives the assigned direction of described designating unit, starts described jacking equipment and makes two first pipe joint road jackings in opposite directions, and cut the earth at the front end in described first pipe joint road;
F) lifting pipeline, described pipeline the place ahead pipeline with it connects, and described directed element receives the assigned direction of described designating unit, starts described jacking equipment and makes pipeline jacking in opposite directions, and cut the earth at described first pipe joint road front end;
G) repeating step f) extremely described pipeline installs, and makes at two first joint pipeline enclosures to be connected unit.
2. the method for construction of the two-way jacking of a kind of underground push pipe as claimed in claim 1, wherein, described jacking equipment comprises jack and top iron.
3. the method for construction of the two-way jacking of a kind of underground push pipe as claimed in claim 1, wherein, described sensing unit is laser theodolite, described directed element is the laser pick-off target.
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| CN201310198767.5A CN103292035B (en) | 2013-05-24 | 2013-05-24 | Construction method of underground pipe jacking |
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| CN201310198767.5A CN103292035B (en) | 2013-05-24 | 2013-05-24 | Construction method of underground pipe jacking |
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Cited By (20)
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| CN104565534A (en) * | 2014-11-24 | 2015-04-29 | 余澄玉 | Method for paving components in soft soil |
| CN104763436A (en) * | 2015-03-09 | 2015-07-08 | 中国地质大学（武汉） | Method and device for receiving pipe jacking machine under condition of high water pressure complicated geological conditions |
| CN105114698A (en) * | 2015-09-08 | 2015-12-02 | 广东省建筑工程集团有限公司 | River opposite jacking butt joint construction process and specially-produced head |
| CN105403203A (en) * | 2015-12-22 | 2016-03-16 | 中铁上海工程局集团有限公司 | Long distance linear top pipe center simple control measuring system and method |
| CN106122589A (en) * | 2016-07-02 | 2016-11-16 | 天鸿建设集团有限公司 | A kind of earth pressure balance method |
| CN106369223A (en) * | 2016-10-31 | 2017-02-01 | 中铁二十局集团第五工程有限公司 | Pipe-jacking construction method for mealy sand stratum |
| CN106402490A (en) * | 2016-10-31 | 2017-02-15 | 中铁二十局集团第五工程有限公司 | Silty soil stratum pipe-jacking jacking construction method based on tool pipe with steel sleeve head |
| CN106764055A (en) * | 2017-01-09 | 2017-05-31 | 中建四局第三建筑工程有限公司 | Push pipe sight alignment construction |
| CN106988751A (en) * | 2017-04-07 | 2017-07-28 | 杜少平 | Pipe with small pipe diameter drainage pipeline push pipe equipment and pipe jacking construction method |
| CN107269288A (en) * | 2017-08-11 | 2017-10-20 | 曹丽召 | The non-explosion water mill of hard stone section push pipe bores two-way drilling construction method |
| CN108194703A (en) * | 2018-02-11 | 2018-06-22 | 北京建工土木工程有限公司 | A kind of the amendment construction system and its modification method of push pipe of constructing |
| CN108953759A (en) * | 2018-06-27 | 2018-12-07 | 广东管博管道技术科技有限公司 | Self-balancing is two-way to eat pipe replacement restorative procedure and device |
| CN109056806A (en) * | 2018-09-04 | 2018-12-21 | 深圳市深水水务咨询有限公司 | A kind of construction method and its construction for underground type sewage plant |
| CN110541966A (en) * | 2019-08-27 | 2019-12-06 | 北京住总集团有限责任公司 | pipe joint jacking auxiliary equipment in narrow space and using method thereof |
| CN111306357A (en) * | 2020-02-14 | 2020-06-19 | 上海市基础工程集团有限公司 | Construction method for steel top pipe to penetrate foundation stratum based on temporary sleeve butt joint |
| CN111810712A (en) * | 2020-07-17 | 2020-10-23 | 中铁十二局集团有限公司 | Push pipe starting construction method for bent pipeline |
| CN112253844A (en) * | 2020-09-29 | 2021-01-22 | 北京政平建设投资集团有限公司 | Self-monitoring guide rail |
| CN112267889A (en) * | 2020-10-26 | 2021-01-26 | 中铁八局集团第一工程有限公司 | Construction method for penetrating through filling material of molten cavity |
| CN112761647A (en) * | 2020-12-30 | 2021-05-07 | 西安市政设计研究院有限公司 | Support-free underground excavation and pushing construction method for rectangular large-section comprehensive pipe gallery |
| CN112797227A (en) * | 2021-01-05 | 2021-05-14 | 安徽省新路建设工程集团有限责任公司 | Ultra-long distance pipe jacking structure in complex environment and construction method |
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| CN104565534A (en) * | 2014-11-24 | 2015-04-29 | 余澄玉 | Method for paving components in soft soil |
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| CN106122589B (en) * | 2016-07-02 | 2018-05-01 | 天鸿建设集团有限公司 | A kind of earth pressure balance method |
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| CN106988751A (en) * | 2017-04-07 | 2017-07-28 | 杜少平 | Pipe with small pipe diameter drainage pipeline push pipe equipment and pipe jacking construction method |
| CN106988751B (en) * | 2017-04-07 | 2019-11-01 | 广东盛际工程咨询有限公司 | Small diameter tube drainage pipeline push pipe equipment and pipe jacking construction method |
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| CN112253844A (en) * | 2020-09-29 | 2021-01-22 | 北京政平建设投资集团有限公司 | Self-monitoring guide rail |
| CN112267889A (en) * | 2020-10-26 | 2021-01-26 | 中铁八局集团第一工程有限公司 | Construction method for penetrating through filling material of molten cavity |
| CN112761647A (en) * | 2020-12-30 | 2021-05-07 | 西安市政设计研究院有限公司 | Support-free underground excavation and pushing construction method for rectangular large-section comprehensive pipe gallery |
| CN112797227A (en) * | 2021-01-05 | 2021-05-14 | 安徽省新路建设工程集团有限责任公司 | Ultra-long distance pipe jacking structure in complex environment and construction method |
| CN112797227B (en) * | 2021-01-05 | 2022-06-24 | 安徽省新路建设工程集团有限责任公司 | Ultra-long distance pipe jacking structure in complex environment and construction method |
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