CN208816125U - Shield inspection-pit maintenance backfill support construction - Google Patents
Shield inspection-pit maintenance backfill support construction Download PDFInfo
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- CN208816125U CN208816125U CN201821182406.6U CN201821182406U CN208816125U CN 208816125 U CN208816125 U CN 208816125U CN 201821182406 U CN201821182406 U CN 201821182406U CN 208816125 U CN208816125 U CN 208816125U
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Abstract
The utility model discloses a kind of shield inspection-pits to overhaul backfill support construction, belong to the realm of building construction, technical points include inspection-pit, the support bracket and collar tie beam of steel construction, inspection-pit includes conventional section, reinforce ring segment and shield section, shield section is internally provided with support construction far from the side of shield direction of advance, the side support bracket of shield Duan Yingxiang shield direction of advance is removed, support construction is provided with breast boards towards the side that support bracket is removed, backfill is filled with inside the side of shield Duan Yingxiang shield direction of advance, support construction includes the stull on inspection-pit long axis, the both ends of stull are connected by the second column with support bracket, in the side that support bracket is not disassembled, support bracket interior surface is provided with third column, diagonal brace is provided between second column and third column.With the safety and stability that can guarantee structure during shield machine is advanced to inspection-pit, while the advantages of recycle all support brackets during last backfill.
Description
Technical field
The utility model relates to the realm of building construction, in particular to a kind of shield inspection-pit maintenance backfill support construction.
Background technique
In recent years, shield method is that urban subway tunnel builds one of most important method.In shield method tunnel construction process
In, it is often necessary to maintenance or replacement cutter (cutterhead), therefore the construction of shield cutter service work foundation pit (well) is shield method
Indispensable a part.
For conventional foundation pit, shield service work hole (well) have it is many itself the characteristics of, such as shield service work
Well planar dimension is relatively fixed, 7 meters of diameter or so of circle is generally for common shield, buried depth is with respect to non-excavating construction
(horizontal orientation, push pipe) is relatively deep, generally at 5 meters or less；In addition, shield service work hole (well) belongs to temporary supporting
Frame will be removed and be backfilled after completing service work.
Existing support construction is easy to appear the collapsing of inspection-pit when shield machine is advanced to the position of inspection-pit, and
After shield machine overhauling, when backfilling to shield service work hole, support construction is mostly disposable knot
Structure cannot carry out support construction to recycle and utilizing, and these permanent supportings are also possible to subsequent construction or not
Come other and close on engineering to make troubles.
Utility model content
The purpose of this utility model is to provide a kind of shield inspection-pits to overhaul backfill support construction, and having can guarantee
Shield machine is advanced to the safety and stability of structure during inspection-pit, while by all support brackets during last backfill
The advantages of recycling.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of shield inspection-pit maintenance backfill support construction, including the inspection-pit that transversal cross-section is oval, inspection-pit
Be internally provided with the support bracket for the steel construction being fitted on inspection-pit inner wall, be provided at the well head of inspection-pit by concrete and
Collar tie beam made of framework of steel reinforcement pours, inspection-pit are divided into conventional section under upper, reinforce ring segment and shield section, inspection-pit
One end of short-axis direction is met to shield direction of advance, and shield section is internally provided with support knot far from the side of shield direction of advance
The side support bracket of structure, shield Duan Yingxiang shield direction of advance is removed, the side that support construction is disassembled towards support bracket, peace
Equipped with breast boards, backfill is filled with inside the side of shield Duan Yingxiang shield direction of advance, support construction includes being located at ellipse
Stull on the inspection-pit long axis of shape, the both ends of stull pass through the second opposite column respectively and are fixedly linked with support bracket, and second
Column is spliced by several nodal pattern steel, and the second column is vertically arranged and passes through bolt and nut component and is fixedly linked with support bracket,
In the side that support bracket is not disassembled, the interior surface that support bracket is located in inspection-pit minor axis location is provided with third column, the
Three columns are made of several nodal pattern steel, and third column is vertically arranged and passes through bolt and nut component and is fixedly linked with support bracket, phase
Pair the second column and third column between be respectively arranged with diagonal brace, the both ends of diagonal brace are logical with third column and the second column respectively
Bolt and nut component is crossed to be fixedly linked.
By using above-mentioned technical proposal, by setting up support construction far from the side of shield direction of advance in shield section,
Then it removes by the support bracket on the side of shield Duan Yingxiang shield direction of advance, is split by breast boards, from
And first time backfill is carried out to the side for removing support bracket, it is ensured that when shield machine is advanced to inspection-pit, inspection-pit will not
The case where collapsing guarantees the safety and stability of maintenance well construction；Pass through bolt and nut by stull and diagonal brace and support bracket
Component carry out it is connected, thus finally backfilled when, support construction can be removed completely to recycling.
The utility model is further arranged to: the quantity of third column is three and is arranged side by side, the third positioned at two sides
Column is connected with diagonal brace respectively, is located in the middle between third column and stull and is provided with third to support.
By using above-mentioned technical proposal, by the way that third is arranged between third column and stull to support, to increase knot
The stability of structure avoids the inner wall of inspection-pit that the collapse deformation for causing support bracket, damage occurs.
The utility model is further arranged to: bracket support is provided between adjacent third column.
By using above-mentioned technical proposal, is supportted by bracket and three third columns are connected, make it between third column
The structure for forming similar rack, to increase the stability of third column.
The utility model is further arranged to: the position that the second column is located at below stull is fixed with first flange plate, the
One flanged plate is provided with the brace stretched out to third column direction away from the side of the second column, and brace is far from first flange plate
One end is fixed with the second flange plate for connecting diagonal brace.
By using above-mentioned technical proposal, by second flange plate, to be flanged joint between brace more than diagonal brace, it is convenient for
The disassembly when installation of diagonal brace and last backfill to diagonal brace.
The utility model is further arranged to: stull includes first body of rod and second body of rod, first body of rod and second body of rod
Using the fashioned iron of same size, second body of rod docks one end of first body of rod, and the end of second body of rod is formed by several baffles
One socket, baffle are fitted in the outer surface of second body of rod and stretch out one end end that second body of rod docks first body of rod, the
It is fixed in one body of rod insertion socket and by bolt and nut component.
By using above-mentioned technical proposal, by split type stull, can according to the actual situation to the length of stull into
Row replacement appropriate, it is ensured that the both ends of stull are capable of fixing on the long axis of inspection-pit.
The utility model is further arranged to: support bracket is located at conventional section and the structure of shield section is identical including several
There are skies every positioned at the waist rail and collar tie beam stationary phase of well head between the waist rail of inspection-pit depth direction distribution, adjacent waist rail
Even, it is connected between adjacent waist rail by several columns being uniformly distributed on waist rail inner ring circumferencial direction, column and adjacent waist
Be connected between beam by bolt and nut component, be provided between adjacent waist rail by several corrugated sheets surround by adjacent waist rail
Between sky every closed cyclic structure, the upper and lower ends of corrugated plating pass through bolt and nut component between adjacent waist rail respectively
It is connected, is only made of waist rail positioned at the support bracket for reinforcing ring segment, waist rail pile stacks and is connected by bolt and nut component, position
It is internally provided with first pair of support in conventional section and the waist rail reinforced in ring segment, the both ends of first pair of support pass through connecting column and waist rail
It is detachably fixed connected.
By using above-mentioned technical proposal, be connected by being detachably fixed between waist rail and column, corrugated sheet and waist rail it
Between be detachably fixed it is connected, to successively support bracket can be removed from bottom when last backfill, avoid support bracket most
After stay in inspection-pit.
The utility model is further arranged to: connecting column is in " H " shape, including parallel opposite mounting plate and is located at opposite
Mounting plate between web offer the through-hole passed through for bolt and nut on parallel opposite mounting plate.
By using above-mentioned technical proposal, by opening up through-hole on a mounting board, so as to which stull and mounting plate are led to
It crosses bolt and nut component to be connected, quickly stull can be fixed on support bracket.
The utility model is further arranged to: there are gap between corrugated sheet and the borehole wall of inspection-pit, being filled in gap
Expansile macromolecule polymer material.
By using above-mentioned technical proposal, filled between corrugated sheet and the inspection-pit borehole wall by macromolecule polymer material
Gap avoids the borehole wall of inspection-pit from the case where slump occur to make to fit closely between corrugated sheet and the borehole wall of inspection-pit.
The utility model is further arranged to: the upper surface of collar tie beam, which is provided with, is enclosed in internal enclose for the inner hole of collar tie beam
Column.
By using above-mentioned technical proposal, passerby is stopped by fence, avoid passerby close to construction area to
It comes to harm.
The utility model is further arranged to: fence is prefabricated corrugated sheet guardrail, and fence is solid by flange bolt and collar tie beam
It is fixed to be connected.
After construction, corrugated sheet can be protected by using above-mentioned technical proposal by using corrugated sheet guardrail is paid in advance
Column is disassembled and is reused.
In conclusion the utility model has the following beneficial effects:
1, by setting up support construction far from the side of shield direction of advance in shield section, then by shield Duan Yingxiang shield
Support bracket on the side of structure direction of advance is removed, and is split by breast boards, thus to the side for removing support bracket
The first backfill is carried out, to guarantee the safety and stability of maintenance well construction when shield machine is advanced to inspection-pit；Pass through stull
And diagonal brace is connected with support bracket by bolt and nut component, to can will be supported when finally being backfilled
Structure removes recycling completely；
2, by split type stull, replacement appropriate can be carried out to the length of stull according to the actual situation, it is ensured that horizontal
The both ends of support are capable of fixing on the long axis of inspection-pit；
3, it is connected by being detachably fixed between waist rail and column, is detachably fixed and is connected between corrugated sheet and waist rail, from
And when last backfill, successively support bracket can be removed from bottom, support bracket is avoided finally to stay in inspection-pit；
4, the gap between corrugated sheet and the inspection-pit borehole wall is filled by macromolecule polymer material, thus make corrugated sheet with
It is fitted closely between the borehole wall of inspection-pit, the borehole wall of inspection-pit is avoided the case where slump occur；
5, by using corrugated sheet guardrail is paid in advance, after construction, corrugated sheet guardrail can be disassembled and repeats to make
With.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inspection-pit support bracket；
The structural schematic diagram of support construction when Fig. 2 is the backfill of shield inspection-pit；
Fig. 3 is the structural schematic diagram of the support bracket of shield inspection-pit；
Fig. 4 is the attachment structure schematic diagram of corrugated sheet；
Fig. 5 is the top view of the support bracket of shield inspection-pit；
Fig. 6 is the top view of the support construction of shield section；
Fig. 7 is the structural schematic diagram of the support construction of shield section；
Fig. 8 is the side view of the support construction of shield section；
Fig. 9 is the partial enlarged view at the position A in Fig. 7；
Figure 10 is the structural schematic diagram of stull.
In figure, 1, inspection-pit；11, conventional section；12, ring segment is reinforced；13, shield section；2, collar tie beam；21, backing plate；3, fence；
4, support bracket；41, waist rail；411, junction steel plate；412, the first mounting hole；42, the first column；43, corrugated sheet；43, corrugated sheet；
431, flange；432, the second mounting hole；433, buttcover plate；434, injected hole；435, third mounting hole；44, first pair of support；45,
Second pair of support；46, connecting column；461, mounting plate；462, web；47, sealing strip；5, support construction；51, stull；511, first
The body of rod；512, baffle；513, second body of rod；52, the second column；521, first flange plate；522, brace；523, second flange
Plate；53, diagonal brace；54, third is to support；55, third column；56, bracket supports；6, breast boards；7, backfill.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of shield inspection-pit backfills support construction, as shown in Figure 1, include inspection-pit 1, the wherein transverse cutting of inspection-pit 1
Face is oval.At the well head of inspection-pit 1, it is provided with and the well head of inspection-pit 1 is trapped among to internal collar tie beam 2, collar tie beam 2 is by coagulation
Soil and framework of steel reinforcement pour.In the upper surface of collar tie beam 2, it is provided with and the inner hole of collar tie beam 2 is trapped among to internal fence 3, enclose
Column 3 uses prefabricated corrugated sheet guardrail.The bottom end of fence 3 is fixedly linked by flange bolt with collar tie beam 2.In collar tie beam 2 and fence 3
Between, positioned at the upper surface of collar tie beam 2, it is equipped with the backing plate 21 of one layer of steel.
The inside of inspection-pit 1 is divided into conventional section 11 under upper, reinforces ring segment 12 and shield section 13.In inspection-pit
1 support bracket 4 for being internally provided with the steel construction being fitted on the inner wall of inspection-pit 1, support bracket 4 be shape in ellipticity and with
The tubular structure that the shape of inspection-pit 1 matches.
Support bracket 4 is located at conventional section 11 and the positional structure of shield section 13 is identical including several along 1 depth of inspection-pit
The waist rail 41 of directional spreding, between adjacent waist rail 41 there are sky every.It is evenly distributed between adjacent waist rail 41 by several
The first column 42 on 41 inner ring circumferencial direction of waist rail is connected, and the first column 42 passes through bolt and nut with adjacent waist rail 41 respectively
Component is fixed.It is fixed between waist rail 41 at well head and collar tie beam 2 by expansion bolt.
As shown in figure 3, waist rail 41 is surrounded by several square tubes, adjacent square tube end socket docks and passes through 411 phase of junction steel plate
Even.Junction steel plate 411 be located at the inner ring side of waist rail 41 and junction steel plate 411 towards a side surface both ends of waist rail 41 respectively with
The square tube being connected to each other fits, and is fixed by welding between junction steel plate 411 and adjacent square tube.Adjacent
Between waist rail 41, it is provided with the sky between adjacent waist rail 41 every closed cyclic structure, cyclic structure is by several corrugated sheets
43 are spliced.The upper and lower ends of corrugated sheet 43 pass through bolt and nut component respectively and are fixedly linked with adjacent waist rail 41, in waist
The upper surface and lower surface of beam 41 offers the first mounting hole 412 respectively.
As shown in Figure 1, the structure that support bracket 4 is located at reinforcing 12 position of ring segment is only made of waist rail 41, piled up between waist rail 41
It stacks, is fixedly linked between adjacent waist rail 41 by bolt and nut component.
As shown in figure 4, integrally formed flange 431 is respectively arranged with, in flange 431 in the upper and lower ends of corrugated sheet 43
Length direction direction on offer several second mounting holes 432, the second mounting hole 432 and waist with reference to Fig. 3, on corrugated sheet 43
The first mounting hole 412 on beam 41 is oppositely arranged.The opposite both ends of adjacent corrugated sheet 43 are respectively fixed with opposite buttcover plate
433, several opposite third mounting holes 435 are offered in the short transverse of opposite buttcover plate 433, by by bolt and nut group
Part passes through third mounting hole 435, so that adjacent corrugated sheet 43 is connected.
Before docking opposite flanged plate 433, the sealing strip 47 of elasticity is put between opposite flanged plate 433.
Opposite flanged plate 433 is connected by bolt and nut component, as opposite flanged plate 433 is constantly close to close to squeeze
Strip of paper used for sealing 47, to increase the leakproofness of junction between adjacent flanges plate.
As Figure 1 and Figure 4, corrugated sheet 43 makes corrugated sheet 43 towards the side of 1 borehole wall of inspection-pit due to structure
There are gaps between inspection-pit 1.Expansile high molecular polymer is filled between corrugated sheet 43 and the borehole wall of inspection-pit 1
Material.On the surface of corrugated sheet 43, offers and be injected into more than 43 inspection-pit 1 of corrugated sheet for expansile macromolecule polymer material
The injected hole 434 of gap between the borehole wall.
After expansile macromolecule polymer material is injected in the side to corrugated sheet 43 towards 1 borehole wall of inspection-pit, lead to
It crosses plug to block injected hole 434, wherein plug can be fixed with corrugated sheet 43 by welding, can also be with
Threaded hole is set by injected hole 434, plug uses screw plug, by the way that plug to be screwed into the inside of injected hole 434, thus
Injected hole 434 is blocked.
As shown in Figure 1, shown in Figure 5, the waist rail 41 positioned at conventional section 11 is internally provided with first pair of support 44, and first pair of support 44 is located at
In the short axle of the waist rail 41 of ellipse, the both ends of first pair of support 44 pass through connecting column 46 respectively and waist rail 41 is located at short axle both ends
Inner surface is fixedly linked.First pair support 44 and connecting column 46 between be fixedly linked by bolt and nut component, connecting column 46 with
It is fixedly linked between waist rail 41 by bolt and nut component.
Connecting column 46 is in " H " shape, including parallel opposite mounting plate 461 and between opposite mounting plate 461
Web 462 is welded and fixed together or is integrally cast between mounting plate 461 and web 462.In parallel opposite mounting plate
On, offer the through-hole passed through for bolt and nut.
As shown in Figure 2, Figure 4 shows, corrugated sheet 43 makes corrugated sheet 43 towards the side of 1 borehole wall of inspection-pit due to structure
There are gaps between inspection-pit 1.Expansile high molecular polymer is filled between corrugated sheet 43 and the borehole wall of inspection-pit 1
Material.On the surface of corrugated sheet 43, offers and be injected into more than 43 inspection-pit 1 of corrugated sheet for expansile macromolecule polymer material
The injected hole 434 of gap between the borehole wall.
The second pair of support 45 of collar tie beam at shield section 13 being internally provided in 41 short axle of waist rail of ellipse.
Second pair of support 45 is formed by two seperated root canal material flanged joints, the both ends of second pair of support 45 respectively by support connecting column 46 with
The inner surface that waist rail 41 is located at short axle both ends is fixedly linked.
As shown in Fig. 2, Fig. 6, when overhauling to shield machine, arrow indicates the shield advance side of shield machine in figure
To.Meet one far from shield direction of advance to shield direction of advance shield section 13 in one end of 1 short-axis direction of inspection-pit of ellipse
The inside of side, support bracket 4 is supported by support construction 5.Shield section 13 meets the side to shield direction of advance, schemes with reference to figure
1, position with towards the side of shield direction of advance waist rail 41, the first column 42 and corrugated sheet 43 and second pair of support 45 it is split
It removes.
As shown in Figure 6, Figure 7, support construction 5 includes the stull 51 on the long axis of the inspection-pit 1 of ellipse, stull 51
Both ends pass through the second elongated column 52 being vertically arranged respectively and be connected with waist rail 41, wherein the second column 52 is by more piece fashioned iron
It forms and is fixed between waist rail 41 by bolt and nut component, pass through bolt and nut between stull 51 and the second column 52
Component carries out connected.In the side that stull 51 is removed towards support bracket 4, breast boards 6 is installed, breast boards 6 is fitted in stull
51 surface.In shield section 13 towards the side of shield direction of advance, the inside of shield section 13 is filled with backfill 7.
In the side that support bracket 4 is not disassembled, interior surface in 1 minor axis location of inspection-pit of ellipse, vertically
Three elongated third columns 55 arranged side by side are fixed with, third column 55 is made of more piece fashioned iron and leads between waist rail 41
Cross bolt and nut component be fixed it is connected.In three third columns 55 arranged side by side, the third column 55 positioned at two sides divides
Not Tong Guo diagonal brace 53 be connected with the second column 52, so that diagonal brace 53 and stull 51 be made to form the support knot of a likeness in form triangle
Structure.Wherein diagonal brace 53 and stull 51 shift to install in not another plane.
It is located in the middle between third column 55 and stull 51 and is connected by third to support 54.The wherein both ends of diagonal brace 53 point
Be not connected with third column 55 and the second column 52 by bolt and nut component, third to support 54 both ends respectively with third column
55 and stull 51 by bolt and nut component be connected.Between adjacent third column 55, it is provided between third column 55
Bracket support 56, bracket support 56 are evenly distributed on the length direction of third column 55.
As shown in Figure 8, Figure 9, it is located at the position below stull 51 in the second column 52, is fixed with first flange plate 521, the
One flanged plate 521 is weldingly fixed on the second column 52.Deviate from the side of the second column 52 in first flange plate 521, is provided with
The brace 522 that 55 direction of third column in Xiang Sangen third column 55 positioned at outside is stretched out, brace 522 and first flange plate
521 be welded and fixed it is connected.Deviate from one end of first flange plate 521 in brace 522, be fixed with second flange plate 523, diagonal brace 53 is logical
Second flange plate 523 is crossed to be connected with 522 flange of brace.
As shown in Figure 10, stull 51 includes first body of rod 511 and second body of rod 513.First body of rod 511 and second body of rod
513 using same sizes square tube, first body of rod 511 and second body of rod 513 is connected to each other and axis is located along the same line.?
Bipole body 513 docks one end of first body of rod 511, is fixed on the siding of second body of rod, 513 surrounding and stretches out second body of rod 513 company
The baffle 512 for connecing one end end of first body of rod 511 surrounds a socket by four pieces of baffles 512.By first body of rod
511 end is inserted into socket, and passes through baffle 512 and first body of rod 511 for first body of rod by bolt and nut component
511 and second the body of rod 513 be fixedly linked.
In conclusion when being backfilled to shield inspection-pit, first in 4 long axis direction of support bracket of ellipse
The second elongated column 52 is installed at both ends, and installs three third columns far from one end of shield direction of advance in support bracket 4
55.After second column 52 and third column 55 install, diagonal brace 53 is set up, by bolt and nut component by the both ends of diagonal brace 53
It is fixedly linked respectively with the second column 52 and third column 55.
After diagonal brace 53 installs, disassembly support bracket 4 is located at second pair of support 45 inside shield section 13, and passes through bolt and nut
Stull 51 is fixed on the horizontal axis of oval support bracket 4 by component.Then breast boards 6 is installed in stull 51, is next torn open
Removing support bracket 4 influences waist rail 41, the first column 42 and the corrugated sheet 43 of shield direction of advance side.Finally to breast boards 6
It meets to the side of shield direction of advance and carries out follow-up backfill, it is every to remove one layer, and the soil body for communicating thickness and compaction in layers are backfilled,
Until being backfilling at the 1m of shield machine top.To shield machine overhauling it is complete after, successively recycle all steel construction facilities from bottom to up, most
After backfilled.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of shield inspection-pit maintenance backfill support construction, including the oval inspection-pit of transversal cross-section (1), the maintenance
The support bracket (4) for being internally provided with the steel construction being fitted on inspection-pit (1) inner wall of well (1), the well head of the inspection-pit (1)
Place is provided with poured as concrete and framework of steel reinforcement made of collar tie beam (2), it is characterised in that: the inspection-pit (1) from it is upper it
Under be divided into conventional section (11), reinforce ring segment (12) and shield section (13), one end of inspection-pit (1) short-axis direction and meet to shield
Structure direction of advance, the shield section (13) are internally provided with support construction (5), the shield far from the side of shield direction of advance
Section (13), which is met to the side support bracket (4) of shield direction of advance, to be removed, and the support construction (5) is split towards support bracket (4)
The side unloaded is equipped with breast boards (6), and the shield section (13) is met to the inside of the side of shield direction of advance filled with backfill
(7), the support construction (5) include positioned at ellipse inspection-pit (1) long axis on stull (51), the two of the stull (51)
End is fixedly linked by opposite the second column (52) with support bracket (4) respectively, and second column (52) is by several nodal pattern steel
It is spliced, second column (52) is vertically arranged and is fixedly linked by bolt and nut component with support bracket (4), in supporting
The side that frame (4) is not disassembled, the interior surface that support bracket (4) is located in inspection-pit (1) minor axis location are provided with third column
(55), the third column (55) is made of several nodal pattern steel, and the third column (55) is vertically arranged and passes through bolt and nut
Component is fixedly linked with support bracket (4), is respectively arranged with diagonal brace between opposite the second column (52) and third column (55)
(53), the both ends of the diagonal brace (53) pass through bolt and nut component stationary phase with third column (55) and the second column (52) respectively
Even.
2. shield inspection-pit maintenance backfill support construction according to claim 1, it is characterised in that: the third column
(55) quantity is three and is arranged side by side that the third column (55) positioned at two sides is connected with diagonal brace (53) respectively, is located at centre
Third column (55) and stull (51) between be provided with third to support (54).
3. shield inspection-pit maintenance backfill support construction according to claim 2, it is characterised in that: adjacent third column
(55) bracket support (56) is provided between.
4. shield inspection-pit maintenance backfill support construction according to claim 2, it is characterised in that: second column
(52) it is located at the position below stull (51) to be fixed with first flange plate (521), first flange plate (521) deviates from the second column
(52) side is provided with the brace (522) stretched out to third column (55) direction, and the brace (522) is far from first flange plate
(521) one end is fixed with the second flange plate (523) for connecting diagonal brace (53).
5. shield inspection-pit maintenance backfill support construction according to claim 1, it is characterised in that: stull (51) packet
First body of rod (511) and second body of rod (513) are included, first body of rod (511) and second body of rod (513) are using same size
The end of fashioned iron, one end of second body of rod (513) docking first body of rod (511), second body of rod (513) passes through several baffles
(512) socket is formed, the baffle (512) is fitted in the outer surface of second body of rod (513) and stretches out second body of rod
(513) one end end of first body of rod (511) is docked, first body of rod (511) is inserted into socket and passes through bolt and nut group
Part is fixed.
6. shield inspection-pit maintenance backfill support construction according to claim 1, it is characterised in that: the support bracket (4)
Structure positioned at conventional section (11) and shield section (13) is identical, including several waist rails along the distribution of inspection-pit (1) depth direction
(41), there are skies every waist rail (41) and collar tie beam (2) positioned at well head are fixedly linked, adjacent waist between adjacent waist rail (41)
It is connected between beam (41) by several columns being uniformly distributed on waist rail (41) inner ring circumferencial direction, the column and adjacent waist
It is connected between beam (41) by bolt and nut component, is provided between adjacent waist rail (41) and to be surrounded by several corrugated sheets (43)
Will be empty every closed cyclic structure between adjacent waist rail (41), the upper and lower ends of the corrugated sheet (43) respectively with it is adjacent
It is connected between waist rail (41) by bolt and nut component, the support bracket (4) for being located at reinforcing ring segment (12) is only made of waist rail (41),
Waist rail (41) pile stacks and is connected by bolt and nut component, is located at conventional section (11) and reinforces in ring segment (12)
Waist rail (41) be internally provided with first pair of support (44), the both ends of first pair of support (44) pass through connecting column (46) and waist rail
(41) it is detachably fixed connected.
7. shield inspection-pit maintenance backfill support construction according to claim 6, it is characterised in that: the connecting column (46)
In " H " shape, including parallel opposite mounting plate (461) and the web (462) between opposite mounting plate (461),
On parallel opposite mounting plate (461), the through-hole passed through for bolt and nut is offered.
8. shield inspection-pit maintenance backfill support construction according to claim 6, it is characterised in that: the corrugated sheet (43)
There are gap between the borehole wall of inspection-pit (1), expansile macromolecule polymer material is filled in the gap.
9. shield inspection-pit maintenance backfill support construction according to claim 1, it is characterised in that: the collar tie beam (2)
Upper surface, which is provided with, is enclosed in the inner hole of collar tie beam (2) internal fence (3).
10. shield inspection-pit according to claim 9 maintenance backfill support construction, it is characterised in that: the fence (3) is
Prefabricated corrugated sheet guardrail, the fence (3) are fixedly linked by flange bolt with collar tie beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182406.6U CN208816125U (en) | 2018-07-24 | 2018-07-24 | Shield inspection-pit maintenance backfill support construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182406.6U CN208816125U (en) | 2018-07-24 | 2018-07-24 | Shield inspection-pit maintenance backfill support construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816125U true CN208816125U (en) | 2019-05-03 |
Family
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| CN201821182406.6U Active CN208816125U (en) | 2018-07-24 | 2018-07-24 | Shield inspection-pit maintenance backfill support construction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671114A (en) * | 2019-11-01 | 2020-01-10 | 中国地质大学（北京） | Recovery type circular shaft supporting device and method |
| CN110748354A (en) * | 2019-12-10 | 2020-02-04 | 中铁十四局集团隧道工程有限公司 | Construction method of assembled shield maintenance well |
| CN110924949A (en) * | 2019-12-10 | 2020-03-27 | 中铁十四局集团隧道工程有限公司 | Assembled shield structure manhole system |
| CN113202480A (en) * | 2021-06-16 | 2021-08-03 | 中国矿业大学 | Combined bearing double-layer well wall and construction method thereof |
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2018
- 2018-07-24 CN CN201821182406.6U patent/CN208816125U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671114A (en) * | 2019-11-01 | 2020-01-10 | 中国地质大学（北京） | Recovery type circular shaft supporting device and method |
| CN110671114B (en) * | 2019-11-01 | 2024-05-03 | 中国地质大学（北京） | Recovery type round vertical shaft supporting device and method |
| CN110748354A (en) * | 2019-12-10 | 2020-02-04 | 中铁十四局集团隧道工程有限公司 | Construction method of assembled shield maintenance well |
| CN110924949A (en) * | 2019-12-10 | 2020-03-27 | 中铁十四局集团隧道工程有限公司 | Assembled shield structure manhole system |
| CN113202480A (en) * | 2021-06-16 | 2021-08-03 | 中国矿业大学 | Combined bearing double-layer well wall and construction method thereof |
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