CN110616602B - Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway - Google Patents
Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway Download PDFInfo
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- CN110616602B CN110616602B CN201910877480.2A CN201910877480A CN110616602B CN 110616602 B CN110616602 B CN 110616602B CN 201910877480 A CN201910877480 A CN 201910877480A CN 110616602 B CN110616602 B CN 110616602B
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- sleeper
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004062 sedimentation Methods 0.000 title description 2
- 241001669679 Eleotris Species 0.000 claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
本发明公开了一种顶管下穿既有运营铁路施工的沉降控制装置及方法，本发明在轨枕上设置沉降测量单元，通过激光笔在屏幕标尺上进行定位，当轨枕发生塌陷或隆起时，会使对应位置上的屏幕标尺上升或下降，从而改变激光笔照射的位置，屏幕标尺将改变数据发送至控制单元中，对轨枕形变进行采集；通过在轨枕下方的土体内设置沉降控制单元，在轨枕发生沉降或隆起时，控制单元采集到沉降或隆起数据，并确定变形所对应的屏幕标尺，并控制对应位置上的气囊进行充气或放气，达到包装轨道平直的目的，本发明能够在顶管下穿既有铁路的施工情况，保证轨道的平直，避免施工时地表发生沉降或隆起，对轨道上车辆所造成的影响。
The invention discloses a settlement control device and method for the construction of an existing operating railway through a jacking pipe. In the invention, a settlement measurement unit is arranged on the sleeper, and a laser pointer is used for positioning on a screen ruler. When the sleeper collapses or bulges, the The screen ruler at the corresponding position will rise or fall, thereby changing the position irradiated by the laser pointer, and the screen ruler will send the changed data to the control unit to collect the sleeper deformation; by setting the settlement control unit in the soil under the sleeper, When the sleeper subsides or bulges, the control unit collects the subsidence or bulge data, determines the screen scale corresponding to the deformation, and controls the airbag at the corresponding position to inflate or deflate, so as to achieve the purpose of straightening the packaging track. Under the construction of the existing railway, the jacking pipe will ensure the straightness of the track and avoid the settlement or bulge of the ground surface during construction, which will affect the vehicles on the track.
Description
Technical Field
The invention belongs to the field of pipe jacking construction, and particularly relates to a settlement control device and method for construction of pipe jacking downward-penetrating existing operation railways.
Background
In recent years, the traffic infrastructure has not been developed before, more and more railways, highways, subways and pipe culverts are put into construction, so that the situation that the existing construction runs down or strides over the existing building is inevitable in the construction of many projects, and the situation that the existing operation railway runs down through the top pipe is a typical form.
The push pipe is worn existing operation railway down and is often caused adverse effect, if cause existing operation railway track subside too big, threaten operation safety, the existence of top traffic load also causes adverse effect to the construction of below push pipe in addition, increases the construction degree of difficulty, seriously slows down the construction progress. At present, some auxiliary construction measures are developed for the pipe jacking to pass through the existing operation railway, such as reducing the train operation frequency, reducing the train operation speed, reinforcing the soil body below the railway through grouting, and the like, and the existing measures have certain effects but also have inherent defects, such as influence on the train operation plan and even train delay caused by reducing the train operation frequency or the train operation speed; the soil body is reinforced by grouting, grouting pressure control is poor, so that the grouting effect is poor or the grouting pressure is too high to cause track uplift, and certain threat is brought to driving. With more and more infrastructure facilities, the condition that the jacking pipe downwards passes through the existing railway is more and more, and at present, a better settlement control method for the jacking pipe downwards passing through the existing operating railway does not exist.
Disclosure of Invention
The invention aims to overcome the defects and provides a settlement control device and a settlement control method for construction of a pipe jacking downward-penetrating existing operation railway, which can ensure smooth upper railway tracks in the pipe jacking construction process and ensure the operation safety of a train.
In order to achieve the aim, the settlement control device for construction of the existing operation railway with the jacking pipe passing downwards comprises a settlement measuring unit and a settlement control unit;
the settlement measuring unit comprises a base point, a plurality of laser pens and a plurality of screen scales, wherein the base point is fixed on the ground which is not affected by construction settlement, all the screen scales are distributed on the sleeper, all the laser pens are fixed on the base point, and the laser pens point to the corresponding screen scales;
the settlement control unit comprises a plurality of air bags arranged in a soil body below the sleeper, the air bags are connected with corresponding air charging devices, all the air charging devices are connected with the control unit, and the control unit is connected with all the screen scales;
the screen scale is used for acquiring the position information of the laser pen pointing to the screen scale and sending the position information to the control unit;
the control unit is used for controlling the corresponding inflating device to inflate or deflate according to the position information sent by the screen scale, so that the screen scale is always at a zero point.
The base point is connected with all the laser pens through the supporting rod.
The heights of all the screen scales are different, and the heights of the laser pens corresponding to all the screen scales are adjusted through the vertical rods.
The number of the air bags is the same as that of the screen scales, and each air bag is arranged below the corresponding screen scale.
Each air bag is connected with a pressure gauge, and the working condition of the air bag is judged through the pressure gauge.
The air bag is made of high-strength rubber materials, and the requirement of bearing capacity transmitted from the upper part is met.
A method for arranging a settlement control device for construction of a jacking pipe downwards penetrating through an existing operation railway comprises the following steps:
selecting a base point on the ground which is not influenced by settlement, and installing a laser pen on the base point;
step two, vertically installing a vertical rod on the sleeper, and installing a screen scale on the top of the vertical rod;
adjusting the laser pens and the screen scales to enable each laser pen to correspond to one screen scale, and connecting the screen scales with the control unit;
excavating a soil body below the sleeper, placing a plurality of independent air bags in the soil body, connecting the air charging devices of all the air bags with the control unit, and backfilling the soil body below the sleeper;
and step five, inflating the air bag in advance to keep the track straight, and adjusting each screen scale to enable the laser emitted by the laser pen to point to a zero point.
In the first step, a support rod is arranged on the base and extends to one side of the track, and all the laser pens are longitudinally fixed at the end part of the support rod.
And in the second step, a cross rod is arranged at the top of the vertical rod, the cross rod is far away from the track, the traveling crane is not influenced, and the screen scale is arranged at the end part of the cross rod.
Compared with the prior art, the settlement measuring unit is arranged on the sleeper, the laser pen is used for positioning on the screen scale, when the sleeper collapses or bulges, the screen scale on the corresponding position can ascend or descend, so that the irradiation position of the laser pen is changed, the screen scale sends the change data to the control unit, and the deformation of the sleeper is collected; the invention can pass the construction condition of the existing railway under the jacking pipe, ensure the flatness of the track, and avoid the influence on vehicles on the track caused by the settlement or the uplift of the surface during construction.
The laying method of the invention firstly lays the settlement measuring units, then lays the settlement control units, and finally carries out zero alignment on the settlement measuring units when the settlement control units support the sleepers, thus finishing the laying. The laying method is simple, the construction efficiency is high, the laying method can be quickly laid in a construction area, the influence on vehicles on the track is small, and the influence of ground settlement caused by pipe jacking construction on train operation can be prevented through the laying of the settlement control unit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side schematic view of the present invention;
wherein, 1, a base point; 2. a support bar; 3. a laser pen; 4. a screen scale; 5. an air bag; 6. a track; 7. a sleeper.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 and 2, a settlement control device for construction of a pipe jacking under an existing operating railway comprises a settlement measuring unit and a settlement control unit;
the settlement measuring unit comprises a base point 1, a plurality of laser pens 3 and a plurality of screen scales 4, wherein the base point 1 is fixed on the ground which is not affected by settlement, all the screen scales 4 are distributed on a sleeper 7, all the laser pens 3 are fixed on the base point 1, the base point 1 is connected with all the laser pens 3 through a support rod 2, the laser pens 3 point to the corresponding screen scales 4, the heights of the screen scales 4 are different, and the heights of the laser pens corresponding to the screen scales 4 are adjusted through vertical rods;
the settlement control unit comprises a plurality of air bags 5 arranged in the soil below the sleeper 7, the number of the air bags 5 is the same as that of the screen scales 4, each air bag 5 is arranged below the corresponding screen scale 4, the air bags 5 are connected with corresponding air charging devices, the air bags 5 are connected with pressure gauges, all the air charging devices are connected with a control unit, and the control unit is connected with all the screen scales 4;
the screen scale 4 is used for acquiring the position information of the laser pen 3 pointing to the screen scale 4 and sending the position information to the control unit;
the control unit is used for controlling the corresponding inflating device to perform inflation or deflation work according to the position information sent by the screen scale 4.
A method for arranging a settlement control device for construction of a jacking pipe downwards penetrating through an existing operation railway comprises the following steps:
firstly, selecting a base point 1 on the ground which is not affected by settlement, installing a support rod 2 on the base 1, extending the support rod 2 to one side of a track 6, and longitudinally fixing all laser pens 3 at the end part 2 of the support rod 2;
step two, vertically installing vertical rods on the sleepers 7, installing cross rods on the tops of the vertical rods, enabling the cross rods to be far away from the tracks 6, not affecting traveling, and installing the screen scales 4 at the end parts of the cross rods;
adjusting the laser pens 3 and the screen scales 4 to enable each laser pen 3 to correspond to one screen scale 4, and connecting the screen scales 4 with the control unit;
excavating a soil body below the sleeper 7, placing a plurality of independent air bags 5 in the soil body, connecting the air charging devices of all the air bags 5 with a control unit, and backfilling the soil body below the sleeper 7;
and step five, pre-inflating the air bag 5 to keep the track 6 straight, and adjusting each screen scale 4 to enable the laser emitted by the laser pen 3 to point to a zero point.
When the ground below the sleeper 7 is sent to subside or rise, the sleeper 7 on the corresponding position drives the screen scale 4 to move downwards or upwards, and the laser pen 3 is fixed on the base point 1, so the position of the laser pen 3 irradiated on the screen scale 4 can generate corresponding change, the screen display 4 acquires the change of the irradiation position of the laser pen 3 and sends the changed position to the control unit, the control unit judges the sleeper 7 corresponding to the changed position and the air bag 5 corresponding to the sleeper 7 according to the received information, and controls the inflating device to inflate or exhaust the air bag 5, so that the sleeper 7 on the corresponding position is restored to the initial position.
Claims (4)
1. A settlement control device for construction of a pipe jacking downward-penetrating existing operation railway is characterized by comprising a settlement measuring unit and a settlement control unit;
the settlement measuring unit comprises a base point (1), a plurality of laser pens (3) and a plurality of screen scales (4), the base point (1) is fixed on the ground which is not affected by settlement, vertical rods are vertically arranged on the sleepers (7), the height of each screen scale (4) is different, the height of each screen scale (4) is adjusted through the vertical rods corresponding to the laser pens, the screen ruler is characterized in that a cross rod is installed at the top of a vertical rod, the cross rod is far away from a track (6), the screen ruler (4) is installed at the end of the cross rod, all the screen ruler (4) are distributed on a sleeper (7), all laser pens (3) are fixed on a base point (1), the laser pens (3) point to the corresponding screen ruler (4), a support rod (2) is installed on a base (1), the base point (1) is connected with all the laser pens (3) through the support rod (2), the support rod (2) extends to one side of the track (6), and all the laser pens (3) are longitudinally fixed at the end (2) of the support rod (2);
the settlement control unit comprises a plurality of air bags (5) arranged in the soil body below the sleeper (7), the air bags (5) are connected with corresponding air charging devices, all the air charging devices are connected with the control unit, and the control unit is connected with all the screen scales (4);
the screen scale (4) is used for collecting the position information of the laser pen (3) pointing to the screen scale (4) and sending the position information to the control unit;
the control unit is used for controlling the corresponding inflating device to perform inflation or deflation work according to the position information sent by the screen scale (4);
the number of the air bags (5) is the same as that of the screen scales (4), and each air bag (5) is arranged below the corresponding screen scale (4);
the air bag (5) is connected with a pressure gauge.
2. The method for arranging the settlement control device for construction of jacking pipe downwards passing through the existing operation railway as claimed in claim 1, which is characterized by comprising the following steps:
step one, selecting a base point (1) on the ground which is not affected by settlement, and installing a laser pen (2) on the base point (1);
step two, vertically installing a vertical rod on the sleeper (7), and installing a screen scale (4) on the top of the vertical rod;
adjusting the laser pens (3) and the screen scales (4) to enable each laser pen (3) to correspond to one screen scale (4), and connecting the screen scales (4) with the control unit;
fourthly, excavating the soil body below the sleeper (7), placing a plurality of independent air bags (5) in the soil body, connecting the air charging devices of all the air bags (5) with the control unit, and backfilling the soil body below the sleeper (7);
and fifthly, inflating the air bag (5) in advance to keep the track (6) straight, and adjusting each screen scale (4) to enable the laser emitted by the laser pen (3) to point to a zero point.
3. The method for arranging the settlement control device for pipe jacking under the existing operating railway construction as claimed in claim 2, wherein in the first step, the support rod (2) is installed on the base (1), the support rod (2) extends to one side of the track (6), and all the laser pens (3) are longitudinally fixed at the end part of the support rod (2).
4. The method for arranging the settlement control devices for pipe jacking and downward passing existing operating railway construction as claimed in claim 3, wherein in the second step, the cross bar is arranged at the top of the vertical bar, the cross bar is far away from the track (6) and does not affect the traveling, and the screen scale (4) is arranged at the end part of the cross bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877480.2A CN110616602B (en) | 2019-09-17 | 2019-09-17 | Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877480.2A CN110616602B (en) | 2019-09-17 | 2019-09-17 | Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway |
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| Publication Number | Publication Date |
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| CN110616602A CN110616602A (en) | 2019-12-27 |
| CN110616602B true CN110616602B (en) | 2021-09-28 |
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