CN110424413A - A kind of U-shaped underpass method of construction under complex environment - Google Patents
A kind of U-shaped underpass method of construction under complex environment Download PDFInfo
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- CN110424413A CN110424413A CN201910740103.4A CN201910740103A CN110424413A CN 110424413 A CN110424413 A CN 110424413A CN 201910740103 A CN201910740103 A CN 201910740103A CN 110424413 A CN110424413 A CN 110424413A
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- construction
- shaped
- pipe
- underpass
- shaped underpass
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses the U-shaped underpass methods of construction under a kind of complex environment, the construction of U-shaped underpass under complex environment is realized by way of by prefabricated U-shaped underpass and the displacement of small instruments and tools pipe, specific implementation step is as follows: carrying out the construction of active well and received well respectively in the two sides of the Xuan Ding position wait build U-shaped underpass；Carry out the jacking construction of small instruments and tools pipe in active well；Carry out prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction；Carry out earth excavation；U-shaped underpass construction finishes.The present invention can realize low disturbance, the rapid construction of U-shaped underpass under conditions of building environment complexity.
Description
Technical field
The present invention relates to the U-shaped underpass construction sides under underpass construction field more particularly to a kind of complex environment
Method.
Background technique
The method of channel routine U-shaped for underground is carried out using the method for open cut at this stage, and open-cut can be taken
Slope is excavated, first construction can also be taken to go along with sb. to guard him and take soil etc. again, but under environmental condition complex situations, such as in high-voltage electricity
Underpass construction is carried out between tower, since pylon protection scope makes slope excavation be difficult to carry out, and the headroom of high-tension bus-bar is protected
Shield range takes the mode of soil also infeasible again but also going along with sb. to guard him construction.The present invention is based on the conditions of above-mentioned complexity, propose a kind of new
The U-shaped channel in underground method of construction.
Summary of the invention
Technical problems based on background technology, the invention proposes the U-shaped underpass under a kind of complex environment to build
Make method, it is intended to build problem in the U-shaped channel in underground for solving complex condition.
The technical solution adopted by the present invention is that:
U-shaped underpass method of construction under a kind of complex environment, which is characterized in that by by prefabricated U-shaped underpass
The construction of U-shaped underpass under complex environment is realized with the mode of small instruments and tools pipe displacement, and specific implementation step is as follows:
(1) construction of active well and received well is carried out respectively in the two sides of the Xuan Ding position wait build U-shaped underpass；
(2) carry out the jacking construction of small instruments and tools pipe in active well, wherein small instruments and tools pipe includes that hollow section is
The rectangle tool pipe of rectangle and hollow section are the triangular tool pipe of right angled triangle, and the size of small instruments and tools pipe can foundation
The underground to be built U-shaped channel size determines；Specific construction process is as follows:
1) the rectangle tool pipe is arranged at bottom of successively constructing first in active well；
2) after arranging the rectangle tool pipe construction the bottom of to, then the two sides of active well from bottom to top successively construct two sides rectangle
Tool pipe；
3) finally it is located at bottom below active well and arranges two rigging angle clamps between the rectangle tool pipe and two sides the rectangle tool pipe
It constructs respectively at angle triangle tool pipe；
(3) it carries out prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction: prefabricated U-shaped underpass is adopted
The mode of jacking construction is taken to displace the rectangle tool pipe and triangle tool pipe that preparatory jacking finishes, after jacking, square
Shape tool pipe and triangle tool pipe can recycle in received well；
(4) it carries out earth excavation: after prefabricated U-shaped underpass jacking construction, carrying out earth excavation, excavated
The soil body is transported at stacking by slag-soil truck；
(5) U-shaped underpass construction finishes: after earth excavation, carrying out the clear of prefabricated U-shaped underpass inner surface
The place mat of reason and pitch, the U-shaped channel in underground are constructed and are finished.
U-shaped underpass method of construction under a kind of complex environment, which is characterized in that work described in step (1)
The width and depth dimensions for making well and received well are all larger than the width and depth dimensions of prefabricated U-shaped underpass.
A kind of U-shaped underpass method of construction under the complex environment, which is characterized in that described in step (2) by
Lower two sides the rectangle tool pipe of successively constructing upwards, the side that wherein the rectangle tool pipe of the top can take ground that soil is taken to place construction
Formula is constructed.
U-shaped underpass method of construction under a kind of complex environment, which is characterized in that the earthwork is opened in step (4)
Dig the mode that slope can be taken to excavate.
The invention has the advantages that
The present invention can realize low disturbance, the rapid construction of U-shaped underpass under conditions of building environment complexity.
Detailed description of the invention
Fig. 1 is active well and reception well construction cross-sectional view.
Fig. 2 is small instruments and tools pipe jacking construction cross-sectional view.
Fig. 3 is prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction cross-sectional view.
Fig. 4 is prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction skiagraph.
Fig. 5 is earth excavation construction cross-sectional view.
Fig. 6 is that cross-sectional view is completed in the construction of U-shaped underpass.
In figure: active well 1, received well 2, prefabricated U-shaped underpass 3, the rectangle tool pipe 4, triangle tool pipe 5, the soil body 6,
High voltage tower 7, high-voltage line 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment.
The construction of U-shaped underpass is carried out between high voltage tower and high-voltage line.
U-shaped underpass method of construction under a kind of complex environment, by by prefabricated U-shaped underpass and small instruments and tools pipe
Displaced mode realizes the construction of U-shaped underpass under complex environment, and specific implementation step is as follows:
(1) construction for carrying out active well 1 and received well 2 respectively in the two sides of high voltage tower 7 and high-voltage line 8, such as Fig. 1 institute
Show.The width and depth dimensions of active well 1 and received well 2 are all larger than the width and depth dimensions of prefabricated U-shaped underpass；
(2) carry out the jacking construction of small instruments and tools pipe in active well 1, as shown in Figure 2.Wherein small instruments and tools pipe includes sky
The section of the heart be rectangle the rectangle tool pipe 4 and hollow section be right angled triangle triangular tool pipe 5, small instruments and tools pipe
Size can be determined according to the U-shaped channel size in the underground to be built；Specific construction process is as follows:
1) the rectangle tool pipe is arranged at bottom of successively constructing first in active well；
2) after arranging the rectangle tool pipe construction the bottom of to, then the two sides of active well from bottom to top successively construct two sides rectangle
Tool pipe, wherein the mode that the rectangle tool pipe of the top can take ground that soil is taken to place construction is constructed；
3) finally it is located at bottom below active well and arranges two rigging angle clamps between the rectangle tool pipe and two sides the rectangle tool pipe
It constructs respectively at angle triangle tool pipe；
(3) prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction is carried out, as shown in Figure 3 and Figure 4.It will be prefabricated
U-shaped underpass 3 take the mode of jacking construction to displace the rectangle tool pipe 4 and triangle tool that preparatory jacking finishes
Pipe 5, after jacking, the rectangle tool pipe and triangle tool pipe can recycle in received well；
(4) earth excavation is carried out, as shown in Figure 5.After prefabricated U-shaped underpass jacking construction, carries out the earthwork and open
It digs, to ensure safety when excavating, the mode that slope can be taken to excavate is excavated, and the soil body 6 excavated is transported by slag-soil truck
It send to stacking；
(5) U-shaped underpass construction finishes, as shown in Figure 6.After earth excavation, carry out in prefabricated U-shaped underpass
The cleaning on surface and the place mat of pitch, the U-shaped channel in underground are constructed and are finished.
The present invention mainly follows the principle of " break the whole up into parts, is small to change greatly ", by by prefabricated U-shaped underpass and small-sized work
Has the mode of pipe displacement to realize the construction of U-shaped underpass under complex environment.The paving of small instruments and tools pipe is completed in active well
Facility work, then replace small instruments and tools pipe with prefabricated U-shaped underpass by way of jacking construction, later small instruments and tools pipe from
It is received in received well, the earthwork is excavated again after completing displacement, realizes low disturbance, the rapid construction of U-shaped underpass.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. the U-shaped underpass method of construction under a kind of complex environment, which is characterized in that by by prefabricated U-shaped underpass with
The mode of small instruments and tools pipe displacement realizes the construction of U-shaped underpass under complex environment, and specific implementation step is as follows:
(1) construction of active well and received well is carried out respectively in the two sides of the Xuan Ding position wait build U-shaped underpass；
(2) carry out the jacking construction of small instruments and tools pipe in active well, it is rectangle that wherein small instruments and tools pipe, which includes hollow section,
The rectangle tool pipe and hollow section be right angled triangle triangular tool pipe, the size of small instruments and tools pipe can be according to being wanted
The underground of construction U-shaped channel size determines；Specific construction process is as follows:
1) the rectangle tool pipe is arranged at bottom of successively constructing first in active well；
2) after arranging the rectangle tool pipe construction the bottom of to, then the two sides of active well from bottom to top successively construct two sides the rectangle tool
Pipe；
3) finally it is located at bottom below active well and arranges two right angles angle between the rectangle tool pipe and two sides the rectangle tool pipe
Construction triangle tool pipe respectively；
(3) it carries out prefabricated U-shaped underpass jacking displacement small instruments and tools pipe construction: prefabricated U-shaped underpass is taken into top
The rectangle tool pipe and triangle tool pipe that preparatory jacking finishes are displaced into the mode of construction, after jacking, rectangle work
Tool pipe and triangle tool pipe can recycle in received well；
(4) it carries out earth excavation: after prefabricated U-shaped underpass jacking construction, carrying out earth excavation, the soil body excavated
It is transported at stacking by slag-soil truck；
(5) U-shaped underpass construction finishes: after earth excavation, the cleaning of prefabricated U-shaped underpass inner surface is carried out, with
And the place mat of pitch, the U-shaped channel in underground are constructed and are finished.
2. the U-shaped underpass method of construction under a kind of complex environment according to claim 1, which is characterized in that step
(1) width and depth dimensions of active well described in and received well are all larger than the width and depth dimensions of prefabricated U-shaped underpass.
3. the U-shaped underpass method of construction under a kind of complex environment according to claim 1, which is characterized in that step
(2) described in from bottom to top successively construct two sides the rectangle tool pipe, wherein the rectangle tool pipe of the top can take ground to take soil
The mode for placing construction is constructed.
4. the U-shaped underpass method of construction under a kind of complex environment according to claim 1, which is characterized in that step
(4) mode that earth excavation can take slope to excavate in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910740103.4A CN110424413A (en) | 2019-08-12 | 2019-08-12 | A kind of U-shaped underpass method of construction under complex environment |
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| CN201910740103.4A CN110424413A (en) | 2019-08-12 | 2019-08-12 | A kind of U-shaped underpass method of construction under complex environment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100984883B1 (en) * | 2009-05-22 | 2010-10-01 | 위성배 | The construction method of shield tunneling |
| 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 |
| 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 |
| CN108729469A (en) * | 2017-04-14 | 2018-11-02 | 植村技研工业株式会社 | The construction method of underground structure |
| CN109944595A (en) * | 2019-03-08 | 2019-06-28 | 中国铁建重工集团有限公司 | A kind of box culvert displacement pipe curtain construction method |
-
2019
- 2019-08-12 CN CN201910740103.4A patent/CN110424413A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100984883B1 (en) * | 2009-05-22 | 2010-10-01 | 위성배 | The construction method of shield tunneling |
| 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 |
| 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 |
| CN108729469A (en) * | 2017-04-14 | 2018-11-02 | 植村技研工业株式会社 | The construction method of underground structure |
| CN109944595A (en) * | 2019-03-08 | 2019-06-28 | 中国铁建重工集团有限公司 | A kind of box culvert displacement pipe curtain construction method |
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Application publication date: 20191108 |