CN108222949A - Passage construction structures and methods - Google Patents
Passage construction structures and methods Download PDFInfo
- Publication number
- CN108222949A CN108222949A CN201810005587.3A CN201810005587A CN108222949A CN 108222949 A CN108222949 A CN 108222949A CN 201810005587 A CN201810005587 A CN 201810005587A CN 108222949 A CN108222949 A CN 108222949A
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- Prior art keywords
- ladder
- tube coupling
- pipe joint
- steel pipe
- concrete tube
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- 230000008878 coupling Effects 0.000 claims abstract description 97
- 238000010168 coupling process Methods 0.000 claims abstract description 97
- 238000005859 coupling reaction Methods 0.000 claims abstract description 97
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 239000005060 rubber Substances 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
- E21D11/386—Sealing means positioned between adjacent lining members inflatable sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A kind of passage construction structures and methods provided by the invention so that Tenon mode is formed between concrete tube coupling and steel pipe joint：By concrete tube coupling end set for caliber be gradually reduced it is stepped,One end is two ladders,The other end is a ladder,More than tool, there are two the end minimum pipes at ladder there are one the end minimum pipe at ladder for tool,Steel pipe joint one end extends outwardly a circle steel collar,The other end forms ladder there are two the stepped and settings that caliber is gradually reduced,The minimum pipe at the end is less than tool in the internal diameter of steel collar and concrete tube coupling, and there are one the minimum pipes of the end at ladder,There are one end of the tool there are two ladder that steel pipe joint is inserted in the end at ladder for the tool of concrete tube coupling,End of the tool there are two ladder of another concrete tube coupling is inserted in the steel collar of steel pipe joint,There are two the watertight rubber items that is sticked in the gap between the end of ladder for the steel collar of steel pipe joint and the tool of concrete tube coupling,Steam is prevented to enter tube coupling connecting place.
Description
Technical field
The present invention relates to dark-excavated passageway technical field of construction, more particularly to a kind of passage construction structures and methods.
Background technology
As Chinese Urbanization pace of construction is constantly accelerated, urban land growing tension, the exploitation of underground deep space engineering
The development trend of urban planning has been increasingly becoming, has more and more needed to be applied with subsurface excavation method in Process of Urban Development
Work, but since underground space pipeline is intricate, situation is invisible, and construction can be by multiple images such as soil property, underground water, rock stratum
It rings, especially channel design is complicated, when being connect with other channels and extending by-pass, if unstable inside constructing structure,
Its service life can greatly shorten, and waste man power and money.
But since underground environment is more complicated, difficulty of construction is larger, makees excessive disposal of stability in constructing structure, again
Difficulty of construction can be increased, delay construction period.It is therefore desirable to invent a kind of constructing structure of handy and safe, can simplifiedly under
Operational procedure and do not influence structural stability.
Invention content
To solve the above problems, the present invention provides a kind of passage construction structures and methods, in rectangular channel inner concrete
The connection mode of tube coupling and steel pipe joint uses joinery and its construction, simplifies the connection of steel pipe joint and concrete tube coupling.
In order to achieve the above objectives, a kind of passage construction structure provided by the invention, including a rectangular channel, the rectangle leads to
Road is built by concrete tube coupling and is formed, and steel pipe joint, the concrete tube coupling and the steel pipe are separated between being gone back between concrete tube coupling
Section is connected using Tenon mode.
Preferably, it is also connected between the concrete tube coupling and the concrete tube coupling using Tenon mode.
Preferably, the concrete tube coupling end set is gradually reduced stepped for caliber, one end is set as two
Ladder, the other end is set as a ladder, and more than tool, there are two at ladder there are one the end minimum pipe at ladder for tool
End minimum pipe, described steel pipe joint one end extends outwardly a circle steel collar, and the other end forms the rank that caliber is gradually reduced
It scalariform and sets there are two ladder, and the minimum pipe at the end is less than the internal diameter of steel collar, again smaller than the pipe of concrete
Tool is there are one the minimum pipe of the end at ladder in section, and there are one be inserted in the end at ladder for the tool of the concrete tube coupling
The tool of the steel pipe joint is inserted in having for another concrete tube coupling in the steel collar of the steel pipe joint there are two the end of ladder
The end of two ladders, the direction being inserted in are the length direction for being parallel to the channel.
Preferably, there are two have between the end of ladder for the tool of the steel collar of the steel pipe joint and the concrete tube coupling
It has the gap, be sticked watertight rubber item in the gap.
Preferably, it is additionally provided with rib in length and breadth, the ribbed in length and breadth in one section in the rectangular channel where steel pipe joint
Into checked spun antung in the fixed sandbag of landfill.
Preferably, by-pass is also excavated out in the rectangular channel side, the by-pass crosses with the rectangular channel
Part is provided with concrete frame trestle, the stirrup and/or circumferential reinforcement in steel bar framework (column) in the concrete frame trestle
It penetrates from opposite side and is pierced by from the tube wall side of rectangular channel.
The present invention also provides a kind of channel construction method, for build a rectangular channel and one from rectangular channel side towards
The by-pass of outer excavation, includes the following steps：
Step 1：The rectangular channel is opened using rectangular pipe jacking machine, is connected by several section concrete tube couplings and constitutes square
Concrete tube coupling end set is gradually reduced stepped by shape channel for caliber, and one end is set as two ladders, and the other end is set
A ladder is set to, and has the minimum pipe for being more than there are one the end minimum pipe of ladder and having the end there are two ladder,
There are two the ends of ladder to be inserted in another concrete for the tool of concrete tube coupling for the connection mode of two concrete tube couplings
The tool of tube coupling there are one ladder end in, and tool there are two ladder end outer wall and another concrete tube coupling tool
There are one signatures in the gap between the inner wall of the end of ladder to set watertight rubber item；
Step 2：Build steel pipe joint between two concrete tube couplings, described steel pipe joint one end extends outwardly a circle steel bushing
Ring, the other end forms ladder there are two the stepped and settings that caliber is gradually reduced, and the minimum pipe at the end is less than steel
The internal diameter of lantern ring, again smaller than tool in the concrete tube coupling, there are one the minimum pipe of the end of ladder, the concrete tube couplings
Tool there are one being inserted in the end of the tool of the steel pipe joint there are two ladder in the end of ladder, in the steel collar of the steel pipe joint
End of the tool there are two ladder of another concrete tube coupling is inserted in, the direction being inserted in is the length side for being parallel to the channel
To, and there are two have between the end outer wall of ladder for the tool of the steel collar inner wall of the steel pipe joint and the concrete tube coupling
Gap, be sticked in the gap watertight rubber item；
Step 3：When making by-pass, need to set up temporary support in opening in rectangular channel, to rectangular channel steel pipe
Side opening is saved, excavates by-pass, rectangular channel builds concrete frame trestle, ground beam and top beam with by-pass junction, thus
It excavates mouth and forms hollow support frame structure, concrete frame trestle, ground beam and top beam are interior on annulated column and/or ring beam direction
Arrangement of reinforcement is penetrated from opposite side from the tube wall side of rectangular channel and is pierced by, and the tube wall where making steel pipe joint has part to pour into the mouth
In font support frame structure.
Preferably, in step 1, after steel pipe joint is built, when building internal rib in length and breadth, in the well that rib in length and breadth is formed
Fixed sandbag is filled in word lattice.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of passage construction structures and methods provided by the invention,
So that forming Tenon mode between concrete tube coupling and steel pipe joint, specific construction method is：By concrete tube coupling end set
It is gradually reduced for caliber stepped, one end is set as two ladders, and the other end is set as a ladder, and has that there are one ranks
The end minimum pipe at ladder place is more than the minimum pipe of the end at ladder there are two tools, and described steel pipe joint one end extends outwardly one
Steel collar is enclosed, the other end forms ladder there are two the stepped and settings that caliber is gradually reduced, and the minimum pipe at the end
Less than the internal diameter of steel collar, again smaller than tool in the concrete tube coupling, there are one the minimum pipes of the end at ladder, described mixed
There are one end of the tool there are two ladder that the steel pipe joint is inserted in the end at ladder, the steel pipe joints for the tool of solidifying soil tube coupling
Steel collar in be inserted in the end of the tool of another concrete tube coupling there are two ladder, the direction being inserted in is is parallel to the channel
Length direction, joinery and its construction is formed, and there are two the tools of the steel collar inner wall of the steel pipe joint and the concrete tube coupling
There is gap, be sticked watertight rubber item in the gap, and watertight rubber item is expanded after water is met, filled out between the end outer wall of ladder
Full gap, prevents steam to enter tube coupling connecting place.
In addition, the present invention also builds concrete frame trestle in by-pass and rectangular channel junction, concrete frame trestle
Arrangement of reinforcement in steel bar framework on horizontal direction or circumferential direction, which is penetrated from the tube wall side of rectangular channel from opposite side, to be pierced by, be equivalent to
Reinforcing bar in horizontal direction and/or circumferential direction is line, and concrete frame trestle is sewn on rectangular channel tube wall, makes rectangular channel with mixing
By-pass made of solidifying soil forms an entirety, so as to enhance the bonding strength of by-pass and rectangular channel and stability.
Description of the drawings
Fig. 1 is construction schematic diagram provided by the invention；
Fig. 2 is concrete tube coupling schematic diagram provided by the invention；
Fig. 3 is steel pipe joint schematic diagram provided by the invention；
Fig. 4 is the Section A-A schematic diagram of Fig. 3；
Fig. 5 is steel pipe joint provided by the invention and concrete tube coupling connection diagram；
Fig. 6 is enlarged drawing at B in Fig. 5.
In figure：2- rectangular channels, 21- steel pipe joints, 22- steel collars, 23- in length and breadth rib, at two ladders of 24-, 3- by-passes,
31- concrete frames trestle, 4- concrete tube coupling, end at two ladders of 41-, end, 5- watertight rubbers at mono- ladder of 42-
Item.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Please refer to Fig. 1 to Fig. 2, a kind of passage construction structure provided by the invention, including a rectangular channel 2, the rectangle
Channel 2 is built by several section concrete tube couplings 4 and is formed, and the steel pipe joint of the formation of steel pipe joint 21 is separated between being gone back between concrete tube coupling 4
Section, there is provided the steel pipe segment that two section steel pipe joints 21 are formed, the concrete tube coupling 4 and the steel pipe joints 21 in the present embodiment
It is connected using Tenon mode.
Specifically, 4 inside of concrete tube coupling is provided with punching block frame, please refers to Fig. 2, punching block frame is in rectangular channel 2
On length direction, please refer to Fig. 2, by the end set of the punching block frame of concrete tube coupling 4 for caliber be gradually reduced it is stepped,
One end is set as two ladders, and the other end is set as a ladder, is defined herein as end at two ladders of concrete tube coupling 4
41 and a ladder at end 42, and have and be more than tool there are one 42 minimum pipe of end at ladder there are two ends 41 at ladder
Minimum pipe, when such each two concrete tube coupling 4 is connected, another concrete can be inserted in end 42 at a ladder
End 41 at two ladders of tube coupling 4.
Please refer to Fig. 3, described 21 one end of steel pipe joint extends outwardly a circle steel collar 22, and the other end forms caliber and is gradually reduced
It is stepped and set there are two ladder, 24 at referred to as two ladders, and the minimum pipe at the end is less than steel collar 22
Internal diameter, again smaller than the minimum pipe of end 42 at a ladder in the concrete tube coupling 4, one of the concrete tube coupling 4
It is inserted in 24 at two ladders of the steel pipe joint 21, is inserted in the steel collar 22 of the steel pipe joint 21 another in end 42 at ladder
End 41 at two ladders of a concrete tube coupling 4, the direction being inserted in is the length direction for being parallel to the channel, and described
There is gap, institute at 22 inner wall of steel collar of steel pipe joint 21 and two ladders of the concrete tube coupling 4 between 41 outer wall of end
The watertight rubber item 5 that is sticked in gap is stated, meeting water can expand, so as to fill up gap.
Preferably, Tenon mode as described above is also used between the concrete tube coupling 4 and the concrete tube coupling 4
Connection.
Preferably, please referring to Fig. 4, rib in length and breadth is additionally provided in the profile that the rectangular channel 2 is built by steel pipe joint 21
23, the interior landfill sandbag of checked spun antung that the rib in length and breadth 23 is formed, for enhancing the anti-floating of steel pipe joint 21.
Preferably, please refer to Fig. 1, by-pass 3 is also extended in 2 side of rectangular channel, the by-pass 3 with it is described
Rectangular channel 2 is provided with concrete frame trestle 31, the reinforcing bar built in the concrete frame trestle 31 with reinforcing bar in place of crossing
Frame (not shown), stirrup and/or circumferential reinforcement in the steel bar framework in circumferential and/or horizontal direction are from rectangular channel 2
Tube wall side is penetrated to be pierced by from opposite side, and in the present embodiment, by-pass 3 is opened on steel pipe joint 21, therefore reinforcing bar is from steel pipe
Side penetrates opposite side and is pierced by the tube wall of section 21.
The present invention also provides a kind of channel construction method, for build a rectangular channel and one from rectangular channel side towards
The by-pass of outer extension, includes the following steps：
Step 1：The rectangular channel 2 of channel formation round rectangle shape is opened using rectangular pipe jacking machine, by several section concrete
Tube coupling 4 is connected in end constitutes rectangular channel 2, punching block frame is built when building concrete tube coupling 4, by concrete tube coupling 4
The end set of punching block frame be gradually reduced stepped for caliber, one end is set as two ladders, and the other end is set as one
A ladder is defined herein as at two ladders of concrete tube coupling 4 end 42 at end 41 and a ladder, and there are one having
42 minimum pipe of end is more than minimum pipe of the tool there are two end 41 at ladder at ladder, and then casting concrete is molded, and is made
The end of each section concrete tube coupling 4 also forms caliber and is gradually reduced stepped, one end is end 41 at two ladders, separately
One end is exactly end 42 at a ladder, when two concrete tube couplings 4 are connected, two ladders of a concrete tube coupling 4
Place is inserted at a ladder of another concrete tube coupling 4 in end 42 end 41, forms joinery and its construction, and at two ladders
Also there is gap, at gap at one ladder of the outer wall of end 41 and another concrete tube coupling 4 between 42 inner wall of end
It is bonded watertight rubber item 5；
Step 2：Build steel pipe joint 21 between two concrete tube couplings 4, in the present embodiment, only in Fig. 1 two at
Steel pipe joint 21 is built at hatching, each section in the connection mode and step 1 between steel pipe joint 21 and concrete tube coupling 4
The connection mode of joinery and its construction between concrete tube coupling 4 is identical, and described 21 one end of steel pipe joint extends outwardly a circle steel collar 22,
The other end forms be gradually reduced stepped of caliber and sets there are two ladder, 24 at referred to as two ladders, and this two
The minimum pipe at 24 ends is less than the internal diameter of steel collar 22 at ladder, again smaller than end at a ladder in the concrete tube coupling 4
42 minimum pipe is inserted in two ranks of the steel pipe joint 21 at one ladder of concrete tube coupling 4 described in this way in end 42
24 at ladder, end 41 at two ladders of another concrete tube coupling 4 is inserted in the steel collar 22 of the steel pipe joint 21, is inserted in
Direction is the length direction namely as shown in figure 5, and 22 inner wall of steel collar of the steel pipe joint 21 and described for being parallel to channel
There is gap, be sticked watertight rubber item 5 in the gap, such as Fig. 6 at two ladders of concrete tube coupling 4 between 41 outer wall of end
It is shown.It is solid in the checked spun antung formed in rib 23 in length and breadth when building the rib 23 in length and breadth inside steel pipe joint 21 after steel pipe joint 21 is built
Sandbag is determined for resisting buoyancy of the tunnel to steel pipe joint；
Step 3：When making by-pass 3, need to set up temporary support in opening in rectangular channel 2, to rectangular channel
2 steel pipe segment side openings, excavate by-pass 3, and rectangular channel 2 builds concrete frame trestle 31, ground beam with 3 junction of by-pass
(not shown) and top beam (not shown), so as to excavate mouth formation hollow support frame structure, concrete frame trestle 31, ground beam
It penetrates from opposite side and is pierced by from the tube wall side of rectangular channel 2 with the arrangement of reinforcement in top beam on annulated column and/or ring beam direction, finally
Tube wall where making steel pipe joint 21 has part to pour into the hollow support frame structure.
A kind of passage construction structures and methods provided by the invention so that formed between concrete tube coupling 4 and steel pipe joint 21
Tenon mode, specific construction method are：4 end set of concrete tube coupling is gradually reduced stepped for caliber, one end is set
Two ladders are set to, the other end is set as a ladder, and 42 minimum pipe of end is more than at two ladders at a ladder
The minimum pipe of end 41, described 21 one end of steel pipe joint extend outwardly a circle steel collar 22, and the other end forms caliber and is gradually reduced
It is stepped and set there are two ladder, and the minimum pipe at the end is less than the internal diameter of steel collar 22, it is mixed again smaller than described
The minimum pipe of end 42 at a ladder in soil tube coupling 4 is coagulated, there are one in end 42 at ladder for the tool of the concrete tube coupling 4
It is inserted in 24 at two ladders of the steel pipe joint 21, another concrete tube coupling 4 is inserted in the steel collar 22 of the steel pipe joint 21
Two ladders at end 41, the direction being inserted in is the length direction for being parallel to the channel, forms joinery and its construction, and described
There is gap, institute at 22 inner wall of steel collar of steel pipe joint 21 and two ladders of the concrete tube coupling 4 between 41 outer wall of end
The watertight rubber item 5 that is sticked in gap is stated, watertight rubber item 5 expands after water is met, and fills up gap, steam is prevented to enter tube coupling phase
At even.
In addition, the present invention also builds concrete frame trestle 31, concrete frame in by-pass 3 and 2 junction of rectangular channel
Arrangement of reinforcement in the steel bar framework of column 31 on horizontal direction and/or circumferential direction, which is penetrated from the tube wall side of rectangular channel 2 from opposite side, to be pierced by,
It is equivalent to using the stirrup in horizontal direction and/or ring muscle as line, concrete frame trestle 31 is sewn on the tube wall of rectangular channel 2,
So as to enhance the bonding strength and stability of by-pass 3 and rectangular channel 2.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And range.If these modifications and changes of the present invention belongs within the scope of the claims in the present invention and its equivalent technologies, then
The present invention is also intended to including these modification and variations.
Claims (8)
1. a kind of passage construction structure, including a rectangular channel, which is characterized in that the rectangular channel is built by concrete tube coupling
It is formed, is separated with steel pipe joint between being gone back between concrete tube coupling, the concrete tube coupling is connect with the steel pipe joint using Tenon mode.
2. passage construction structure as described in claim 1, which is characterized in that the concrete tube coupling and the concrete tube coupling
Between also connected using Tenon mode.
3. passage construction structure as described in claim 1, which is characterized in that the concrete tube coupling end set for caliber by
Decrescence small is stepped, and one end is set as two ladders, and the other end is set as a ladder, and has the end there are one ladder
Minimum pipe is more than minimum pipe of the tool there are two the end of ladder, and described steel pipe joint one end extends outwardly a circle steel collar, separately
One end forms ladder there are two the stepped and settings that caliber is gradually reduced, and the minimum pipe at the end is less than steel collar
Internal diameter, again smaller than tool in the concrete tube coupling there are one the minimum pipe of the end of ladder, the concrete tube coupling has
End of the tool there are two ladder of the steel pipe joint is inserted in the end of one ladder, is inserted in the steel collar of the steel pipe joint another
For the tool of one concrete tube coupling there are two the end of ladder, the direction being inserted in is the length direction for being parallel to the channel.
4. passage construction structure as claimed in claim 3, which is characterized in that the steel collar inner wall of the steel pipe joint and described mixed
The tool of solidifying soil tube coupling is there are two having gap between the end outer wall of ladder, be sticked watertight rubber item in the gap.
5. passage construction structure as described in claim 1, which is characterized in that be additionally provided in one section where the steel pipe joint
Rib in length and breadth, the fixed sandbag of the interior landfill of checked spun antung that the rib in length and breadth is formed.
6. passage construction structure as described in claim 1, which is characterized in that also excavate out bypass in the rectangular channel side
Road, the by-pass is provided with concrete frame trestle in place of crossing with the rectangular channel, during the concrete frame trestle is interior
Stirrup and/or circumferential reinforcement, which are penetrated from the tube wall side of rectangular channel from opposite side, to be pierced by.
7. a kind of channel construction method, for building a rectangular channel and a bypass excavated outward from rectangular channel one side
Road, which is characterized in that include the following steps：
Step 1：The rectangular channel is opened using rectangular pipe jacking machine, is connected by several section concrete tube couplings and is constituted rectangle and lead to
Concrete tube coupling end set is gradually reduced stepped by road for caliber, and one end is set as two ladders, and the other end is set as
One ladder, and have the minimum pipe for being more than there are one the end minimum pipe of ladder and having the end there are two ladder, two
There are two the ends of ladder to be inserted in another concrete tube coupling for the tool of concrete tube coupling for the connection mode of concrete tube coupling
Tool there are one ladder end in, and tool there are two ladder end outer wall and another concrete tube coupling have one
Be sticked watertight rubber item in gap between the inner wall of the end of a ladder；
Step 2：Build steel pipe joint between two concrete tube couplings, described steel pipe joint one end extends outwardly a circle steel collar, separately
One end forms ladder there are two the stepped and settings that caliber is gradually reduced, and the minimum pipe at the end is less than steel collar
Internal diameter, again smaller than tool in the concrete tube coupling there are one the minimum pipe of the end of ladder, the concrete tube coupling has
End of the tool there are two ladder of the steel pipe joint is inserted in the end of one ladder, is inserted in the steel collar of the steel pipe joint another
There are two the ends of ladder for the tool of one concrete tube coupling, and the direction being inserted in is the length direction for being parallel to the channel, and
There are two have gap, institute between the end outer wall of ladder for the tool of the steel collar inner wall of the steel pipe joint and the concrete tube coupling
State the watertight rubber item that is sticked in gap；
Step 3：When making by-pass, need to set up temporary support in opening in rectangular channel, to the steel pipe joint of rectangular channel
Side opening excavates by-pass, and rectangular channel builds concrete frame trestle, ground beam and top beam with by-pass junction, so as to open
It digs mouth and forms hollow support frame structure, concrete frame trestle, ground beam and top beam interior matching on annulated column and/or ring beam direction
Muscle is penetrated from opposite side from the tube wall side of rectangular channel and is pierced by, and the tube wall part where making steel pipe joint is poured into the hollow
In support frame structure.
8. channel construction method as claimed in claim 7, which is characterized in that in step 1, after steel pipe joint is built, build interior
Fixed sandbag is filled during the rib in length and breadth in portion, in the checked spun antung formed in rib in length and breadth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005587.3A CN108222949A (en) | 2018-01-03 | 2018-01-03 | Passage construction structures and methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005587.3A CN108222949A (en) | 2018-01-03 | 2018-01-03 | Passage construction structures and methods |
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| CN108222949A true CN108222949A (en) | 2018-06-29 |
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| CN201810005587.3A Pending CN108222949A (en) | 2018-01-03 | 2018-01-03 | Passage construction structures and methods |
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