CN207314376U - A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure - Google Patents
A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure Download PDFInfo
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- CN207314376U CN207314376U CN201720692521.7U CN201720692521U CN207314376U CN 207314376 U CN207314376 U CN 207314376U CN 201720692521 U CN201720692521 U CN 201720692521U CN 207314376 U CN207314376 U CN 207314376U
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- screw arbor
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- 238000004080 punching Methods 0.000 title claims abstract description 28
- 239000003643 water by type Substances 0.000 title claims abstract description 22
- 238000009415 formwork Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 117
- 239000010959 steel Substances 0.000 claims abstract description 117
- 235000015170 shellfish Nutrition 0.000 claims description 8
- 206010058109 Hangnail Diseases 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to building field, and in particular to a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure.Bottom plate including the concrete that has first poured, build in bottom plate both sides be used to be formed the outer mould holder of external mold, build in be used to being formed the internal mould supporter of internal model, the exterior sheathing being fixedly arranged on respectively on the inside of outer mould holder and on the outside of internal mould supporter and inner template on bottom plate, to draw between outer mould holder and above exterior sheathing to drawing steel bar, be also associated with that one end is embedded in bottom plate in advance, the other end stretches out the connection steel bar that the bottom plate is connected with the outer mould holder between the outer mould holder and the bottom plate.Using Bailey truss without punching Screw arbor with nut at both-ends form erecting technology, solve the problems, such as that permeable leakage easily occurs for traditional waterproof punching split bolt drawknot side wall, avoid because of influence of the permeable infiltration to wall body durability, on the premise of construction workability is ensured, the globality of structure is improved, is a kind of technological sciences, economy, environmental-friendly external wall form erecting technology.
Description
Technical field
The invention belongs to building field, and in particular to a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure.
Background technology
Most of structure in underwater or aqueous abundant soil layer, pair directly connects with outside after the completion of constructing tunnel in water
Tactile external wall requires extremely stringent.For usual waters vertical member, during to prevent concreting, lateral pressure is excessive causes
Swollen mould, uses waterproof split bolt drawknot side form more.
Theoretically analyze, slope heavy excavation construction section tunnel agent structure external wall formwork in waters is most economical feasible
Scheme is to use waterproof punching split bolt, that is, is being used to support multi-point between the outer stupefied support of external mold and internal mould supporter system
Connecting with punching split bolt, then carry out concreting, punching split bolt penetrates whole concrete layer after the completion of pouring,
To prevent that precondition is that the seal ring tablet quality on waterproof punching split bolt will meet the standard of zero tolerance from position infiltration is penetrated,
If there are indivedual sealing ring plates to weld bad, concrete vibrating leakiness, or the lake water with seal ring will be along punching pair
Bolt is drawn to penetrate into tunnel.But in Practical Project, it is to be ensured that every punching split bolt is impermeable to be difficult to realize.Therefore, except true
Protecting concrete has outside impervious, cracking resistance high performance index and reinforcement structure concrete pouring quality, in tunnel during main body construction
How to install outside wall form becomes the key of construction.
Such as the construction method in domestic built similar tunnel, usual external mold is that bulk punching block adds stupefied support, the internal model outside H profile steel to be
Steel（Wood）Mould fills it up with a strutting system, but causes concrete lateral pressure larger compared with Gao Shihui for tunnel structure, need to use a large amount of
Shaped steel is as outer stupefied and support, and construction input cost is also corresponding higher, and current sidewalk limited width on the outside of babinet, outer side mold
Such as caused using occupancy sidewalk after support impassable.
The content of the invention
The purpose of the present invention is provide regarding to the issue above a kind of waters tunnel concrete structure without punching Screw arbor with nut at both-ends
Form erecting technology.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of waters tunnel without punching Screw arbor with nut at both-ends formwork erecting structure, including the bottom plate of the concrete first poured, build in
Bottom plate both sides be used for formed external mold outer mould holder, build on bottom plate be used for formed internal model internal mould supporter, respectively it is fixed
Exterior sheathing and inner template on the inside of the outer mould holder and on the outside of internal mould supporter, to drawing between outer mould holder and on exterior sheathing
Side to drawing steel bar, be also associated with that one end is embedded in bottom plate in advance, the other end stretches out institute between the outer mould holder and the bottom plate
State the connection steel bar that bottom plate is connected with the outer mould holder.
Preferably, the outer mould holder is Bailey truss, described pair of drawing steel bar and connection steel bar are fining twisted steel.
Above-mentioned ruggedized construction mode is beneficial to improve on the premise of difficulty of construction, opposite saving engineering cost is not increased
The globality and durability of waters tunnel concrete structure.
Preferably, two side roof part of bottom plate is connected with the side wall root of protrusion, the connection steel bar is embedded in advance
In the side wall root and it is embedded into the inner of side wall root and is left and the side wall between the medial surface of the side wall root
The solid mouth-sealed portion of root integrally connected.
It is specifically side wall both sides Bailey truss is fixed to drawing steel bar and connecting steel bar, and connects steel bar
Side wall is not penetrated, so as to not form through hole, and then is ensured between inside and outside mould holder without being directly connected to part, it is ensured that pour first-class whole
Without perforation on a side wall, thoroughly solves side wall seepage problem.
Preferably, the Bailey truss includes multigroup beret slice group, every group of beret slice group includes two panels perpendicular to external mold
The beret slice that plate sets and is connected by frame, described pair of drawing steel bar are arranged in the gap between adjacent beret slice group.
The characteristics of bearing larger stress because of Bailey beam and deformed compared with small deflection, is carried on the back by the use of Bailey beam as outer mould holder
It is stupefied, by can effectively solve outside existing H profile steel that installation, support strength are asked existing for stupefied support to being fixed above and below shellfish thunder two
Topic, reduces construction input cost, and current sidewalk is more spacious on the outside of babinet.
Preferably, between the adjacent beret slice group at least provided with about two be arranged in parallel to draw steel bar, it is described
Control is equipped with the top of exterior sheathing away from cushion block, it is underlying to draw steel bar be arranged on the control away from cushion block above or pad be against it is described control away from
At the top of cushion block.
By control away from cushion block easy to control docking steel bar height and position, so that it is guaranteed that when pouring tunnel top will not will to draw
Steel bar is embedded to, and easy to pour, while location and installation is also allowed for drawing steel bar.
Preferably, between the adjacent beret slice group be equipped with about two be arranged in parallel to draw steel bar, described pair draw
Gap of the steel bar through the adjacent beret slice group is simultaneously stretched out on the outside of the Bailey truss, and two to drawing steel bar to exceed
A positive stop strip is each bolted with Bailey truss part, the positive stop strip turns down to form back hook portion to beret slice side, described right
Draw steel bar on be provided with for position two to draw steel bar and middle part have can be caught in described pair of drawing steel bar caulking groove bundle group
Component, the back hook portion are set around in the bundle group parts outside wall surface.
Positive stop strip is used to prevent bundle group parts abjection, so that bundle group parts reach the effect of more firm steel bar.
Preferably, the bundle group parts include the frame block main body of the caulking groove with bottom opening, arranged on frame block main body top
Around block, the frame block main body side, which offers, can hold positioning around block insertion frame for the articulated shaft in portion, the positioning being articulated with articulated shaft
Block main body and clasp described pair of drawing steel bar lead caulking groove.
Correspond to described pair of drawing steel bar preferably, the positioning around block is transferred to the inner side led after caulking groove and be provided with along to drawing
Positioning straight slot that steel bar length direction is set and open at both ends, the groove depth of the positioning straight slot are more than the straight of described pair of drawing steel bar
Footpath.
During installation then frame block main body elder generation's frame to top is put down into positioning around block, and so that two right to drawing on steel bar
Draw steel bar to be not only embedded in caulking groove at the same time and positioned at positioning in two positioning straight slots of block, thus to two to draw steel bar into
Row fixed point location is fixed.
Preferably, the positioning has pin positioned at two on the inside of block to also raised be equipped with of integrally connected between drawing steel bar
The lock-joining part in hole, the frame block main body is interior to be communicated equipped with the locked groove docked with the lock-joining part, the locked groove with the caulking groove of leading
For only have towards lead that caulking groove side is open or bottom with towards the end seal groove for leading caulking groove side opening, it is right in the frame block main body
The pin hole on the lock-joining part is answered to offer along to drawing steel bar length direction to wearing the pin hole of the frame block main body, the frame block master
Body is detachably affixed by being inserted in the pin on the pin hole with the lock-joining part, and the frame block main body width is more than adjacent shellfish
Gap width between thunder piece group, the back hook portion extend to beret slice and exceed the frame of the beret slice and turn back be buckled in it is described
On the frame of beret slice, at least top is equipped with frame in the frame edge in the back hook portion on the frame block main body outer side surface, described
Frame is flushed along bottom surface with the groove top face of highly immediate positioning straight slot.
The setting of said structure can precisely strong fix to drawing steel bar, while also can guarantee that to draw steel bar and beret slice it
Between it is easy to assemble, and can guarantee that there are enough restraining functions to beret slice.
Preferably, described connection steel bar the inner is at least fixed with one group of anchor plate and nut for being used for anticreep, the anchor
On backing plate hangnail is additionally provided with the side of direction connection steel bar outer end；The side wall root thickness is 100 ~ 120cm, the connection
The length that steel bar is embedded in the part in the side wall root in advance is 70 ~ 85 cm, and the length for stretching out the part of the side wall root is
10~20 cm。
In conclusion the invention has the advantages that：
1st, solves traditional waterproof punching split bolt drawknot without punching Screw arbor with nut at both-ends form erecting technology using Bailey truss
The problem of permeable leakage, easily occurs for side wall, avoids because of influence of the permeable infiltration to wall body durability, in guarantee construction and easily
On the premise of property, the globality of structure is improved, is a kind of technological sciences, economy, environmental-friendly external wall formwork skill
Art.
2nd, the application is simple in structure, easy for construction, and cost is low, and intensity is high, and globality is strong, and the tunnel poured is without perforating not
It is permeable, service life length.
Brief description of the drawings
Fig. 1 is the application structure diagram one；
Fig. 2 is the application structure diagram two；
Fig. 3 is to tie group parts and to drawing steel bar fit structure schematic diagram one；
Fig. 4 is bundle group parts structure diagram；
Fig. 5 is to tie group parts and to drawing steel bar fit structure schematic diagram two；
Fig. 6 is to tie group parts and to drawing steel bar fit structure schematic diagram three；
Fig. 7 is to tie group parts and to drawing steel bar fit structure schematic diagram four；
Fig. 8 is to tie group parts and to drawing steel bar fit structure schematic diagram five.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Embodiment one：
A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure, it is characterised in that：Including the concrete that has first poured
Bottom plate 1, build the outer mould holder for forming external mold in bottom plate both sides, build in the internal model branch for being used to form internal model on bottom plate
Frame, be fixedly arranged on exterior sheathing 5 on the inside of outer mould holder and on the outside of internal mould supporter and inner template respectively, to drawing between outer mould holder and
Above exterior sheathing to drawing steel bar 3, be also associated between the outer mould holder and the bottom plate one end be embedded in advance in bottom plate,
The other end stretches out the connection steel bar 4 that the bottom plate is connected with the outer mould holder.
The outer mould holder is Bailey truss 2, and described pair of drawing steel bar and connection steel bar are fining twisted steel.
Above-mentioned ruggedized construction mode is beneficial to improve on the premise of difficulty of construction, opposite saving engineering cost is not increased
The globality and durability of waters tunnel concrete structure.
Two side roof part of bottom plate is connected with the side wall root 11 of protrusion, and the connection steel bar is embedded in the side wall in advance
In root and the inner of side wall root is embedded into being left between the medial surface of the side wall root and side wall root one
The solid mouth-sealed portion 12 of connection.
It is specifically side wall both sides Bailey truss is fixed to drawing steel bar and connecting steel bar, and connects steel bar
Side wall is not penetrated, so as to not form through hole, and then is ensured between inside and outside mould holder without being directly connected to part, it is ensured that pour first-class whole
Without perforation on a side wall, thoroughly solves side wall seepage problem.
The Bailey truss includes multigroup beret slice group, and every group of beret slice group includes two panels and set and lead to perpendicular to exterior sheathing
The beret slice 21 that frame is connected is crossed, described pair of drawing steel bar is arranged in the gap between adjacent beret slice group.
The characteristics of bearing larger stress because of Bailey beam and deformed compared with small deflection, is carried on the back by the use of Bailey beam as outer mould holder
It is stupefied, by can effectively solve outside existing H profile steel that installation, support strength are asked existing for stupefied support to being fixed above and below shellfish thunder two
Topic, reduces construction input cost, and current sidewalk is more spacious on the outside of babinet.
Embodiment two：
It is unlike the embodiments above to be in what is be arranged in parallel between the adjacent beret slice group at least provided with about two
To drawing steel bar, upper and lower two more firm to drawing steel bar structure, and when pouring or beret slice group combines, stress is more balanced, twisting resistance
By force.Control is equipped with the top of the exterior sheathing away from cushion block 51, it is underlying to drawing steel bar to be arranged on the control away from cushion block above or padding and lean on
In the control away from the top of cushion block.
By control away from cushion block easy to control docking steel bar height and position, so that it is guaranteed that when pouring tunnel top will not will to draw
Steel bar is embedded to, and easy to pour, while location and installation is also allowed for drawing steel bar.
Embodiment three：
It is unlike the embodiments above be between the adjacent beret slice group be equipped with about two be arranged in parallel to drawing
Steel bar, gap of the described pair of drawing steel bar through the adjacent beret slice group are simultaneously stretched out on the outside of the Bailey truss, and two
To drawing steel bar to be each bolted with a positive stop strip on Bailey truss part, the positive stop strip turns down to be formed bar to beret slice side
Back hook portion 41, described pair of drawing steel can be caught in by being provided with described pair of drawing steel bar for positioning two to have draw steel bar and middle part
The bundle group parts of the caulking groove 62 of bar, the back hook portion are set around in the bundle group parts outside wall surface.
Positive stop strip is used to prevent bundle group parts abjection, so that bundle group parts reach the effect of more firm steel bar.
The bundle group parts include the frame block main body 61 of the caulking groove with bottom opening, being hinged at the top of frame block main body
Around block, the frame block main body side, which offers, can hold positioning around block insertion frame block main body for axis 63, the positioning being articulated with articulated shaft
And clasp described pair of drawing steel bar leads caulking groove 64.
The positioning, which around block is transferred to the inner side led after caulking groove and corresponds to described pair of drawing steel bar, to be provided with along to drawing steel bar length
Positioning straight slot 65 that direction is set and open at both ends, the groove depth of the positioning straight slot are more than the diameter of described pair of drawing steel bar.
During installation then frame block main body elder generation's frame to top is put down into positioning around block, and so that two right to drawing on steel bar
Draw steel bar to be not only embedded in caulking groove at the same time and positioned at positioning in two positioning straight slots of block, thus to two to draw steel bar into
Row fixed point location is fixed.
The positioning is equipped with the interlocking with pin hole positioned at two on the inside of block to also integrally connected is raised between drawing steel bar
Portion 66, the frame block main body is interior to be communicated equipped with the locked groove docked with the lock-joining part with the caulking groove of leading, and the locked groove is only tool
Have towards lead that caulking groove side is open or bottom with towards the end seal groove for leading caulking groove side opening, corresponded in the frame block main body described in
Pin hole on lock-joining part is offered along to drawing steel bar length direction to wearing the pin hole of the frame block main body, the frame block main body and institute
It is detachably affixed by being inserted in the pin on the pin hole to state lock-joining part, the frame block main body width is more than adjacent beret slice group
Between gap width, the back hook portion, which extends to beret slice and exceedes the frame of the beret slice and turn back, is buckled in the beret slice
Frame on, at least top is equipped with frame in the frame edge in the back hook portion on the frame block main body outer side surface, and the frame is the bottom of along
Face is flushed with the groove top face of highly immediate positioning straight slot.
The setting of said structure can precisely strong fix be to drawing steel bar, and when pouring or beret slice group combines, stress is more equal
Weighing apparatus, twisting resistance is strong, while also can guarantee that to easy to assemble between drawing steel bar and beret slice, and can guarantee that there be enough lead to beret slice
Make and use.And also there is restraining function between different beret slice groups so that between ensureing beret slice group when pouring stress equalization,
It is not easy transposition, ensures that exterior sheathing is smooth, so as to ensure that the side wall that has poured is smooth, precision height, controllability up to standard is strong.
Described connection steel bar the inner is at least fixed with one group of anchor plate and nut for being used for anticreep, direction on the anchor plate
Hangnail is additionally provided with the side of connection steel bar outer end；The side wall root thickness is 100 ~ 120cm, and the connection steel bar is embedded in advance
The length of part in the side wall root is 70 ~ 85 cm, and the length for stretching out the part of the side wall root is 10 ~ 20 cm.
It is by between setting in the side wall root poured together with bottom plate on the outside of bottom plate side wall when pouring underplate concrete
Away from pre-buried 25 fining twisted steels of PSB830 φ, pre-buried fining twisted steel length is 90cm, wherein embedment side wall length is 80cm
（100~120cm of side wall thickness）, exposed parts 10cm, embedment sidewall section tail end need to install 12*12*2cm thickness anchor plate and
Nut.After underplate concrete intensity reaches the 80% of design load, Bailey truss is set up, Bailey truss uses double individual layer shellfish thunder
Piece forms, and is connected between every group of beret slice with 900mm frames, and top uses 2 25 fining twisted steels of PSB830 φ to drawing, and two
Bar fining twisted steel can get on ground and the bundle good frame again of group parts group in advance, and group can also be showed on Bailey truss, is located at
The fining twisted steel of lower section sets height at concrete roof top surface above 300mm, is highly adjusted by control away from cushion block, and
Fining twisted steel elongation strain amount is controlled by prestretching, the fining twisted steel being embedded in when lower part is using bottom slab concreting in side wall is matched somebody with somebody
Fixed with supporting bolt.Exterior sheathing and inner template use 2 × 1.5m set shaped steel formworks, and Bailey truss is combined with both exterior sheathings
A stress entirety is assembled into, the external wall formwork construction applied to waters tunnel concrete structure.
Bailey truss must be smooth no deformation, especially master plate side.
Preassembling can be carried out to shellfish thunder before shellfish thunder is installed, emphasis has tight generation after checking Bei Lei junctions insertion pin
Loose phenomenon, needs to change processing if necessary.Can also be worn between beret slice group the pull rod that is located in multigroup beret slice group into
Fixation between the adjacent beret slice group of row, pulling-rod frame is on frame and being bolted in frame or beret slice.
Claims (10)
1. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure, it is characterised in that：Bottom including the concrete first poured
Plate（1）, build being used to be formed the outer mould holder of external mold, build in being used to form the internal model branch of internal model on bottom plate in bottom plate both sides
Frame, the exterior sheathing being fixedly arranged on respectively on the outside of outer mould holder inner side and internal mould supporter（5）And inner template, to draw between outer mould holder
And above the exterior sheathing to drawing steel bar（3）, it is also associated with one end between the outer mould holder and the bottom plate and is embedded in bottom in advance
Plate is interior, the other end stretches out the connection steel bar that the bottom plate is connected with the outer mould holder（4）.
2. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 1, it is characterised in that：The external mold
Stent is Bailey truss（2）, described pair of drawing steel bar and connection steel bar are fining twisted steel.
3. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 2, it is characterised in that：The bottom plate
Two side roof parts are connected with the side wall root of protrusion（11）, it is described connection steel bar be embedded in the side wall root and be embedded into advance
The inner of side wall root is to the solid sealing left between the medial surface of the side wall root with side wall root integrally connected
Portion（12）.
4. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 3, it is characterised in that：The shellfish thunder
Truss includes multigroup beret slice group, and every group of beret slice group includes the shellfish thunder that two panels sets perpendicular to exterior sheathing and is connected by frame
Piece（21）, described pair of drawing steel bar be arranged in the gap between adjacent beret slice group.
5. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 4, it is characterised in that：It is adjacent described
Between beret slice group at least provided with about two be arranged in parallel to drawing steel bar, control is equipped with the top of the exterior sheathing away from cushion block
（51）, it is underlying to draw steel bar be arranged on it is described control away from cushion block above or pad be against it is described control away from cushion block top.
6. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 5, it is characterised in that：It is adjacent described
Be equipped between beret slice group about two be arranged in parallel to drawing steel bar, described pair of drawing steel bar pass through the adjacent beret slice group it
Between gap and stretch out on the outside of the Bailey truss, and two to drawing steel bar to be each bolted with one on Bailey truss part
Positive stop strip, the positive stop strip turn down to form back hook portion to beret slice side（41）, it is provided with described pair of drawing steel bar for positioning
Two have draw steel bar and middle part and can be caught in the caulking groove of described pair of drawing steel bar（62）Bundle group parts, back hook portion winding
In in the bundle group parts outside wall surface.
7. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 6, it is characterised in that：The bundle group
Component includes the frame block main body of the caulking groove with bottom opening（61）, articulated shaft at the top of frame block main body（63）, be articulated with
Positioning on articulated shaft around block, the frame block main body side offer can hold positioning around block be embedded in frame block main body and clasp it is described right
That draws steel bar leads caulking groove（64）.
8. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 7, it is characterised in that：The positioning
The inner side led after caulking groove is transferred to around block corresponds to described pair of drawing steel bar be provided with along to draw that steel bar length direction sets and both ends
Open positioning straight slot（65）, diameter of the groove depth for positioning straight slot more than described pair of drawing steel bar.
9. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 8, it is characterised in that：The positioning
The lock-joining part with pin hole is equipped with to also integrally connected protrusion between drawing steel bar positioned at two on the inside of block（66）, the frame block master
Communicated in vivo with the caulking groove of leading equipped with the locked groove docked with the lock-joining part, the locked groove is only there is direction to lead caulking groove side
Open or bottom leads the end seal groove of caulking groove side opening with direction, and the pin hole corresponded in the frame block main body on the lock-joining part is opened
Equipped with along to drawing steel bar length direction, to wearing the pin hole of the frame block main body, the frame block main body is with the lock-joining part by plugging
Detachably affixed in the pin on the pin hole, the frame block main body width is more than gap width between adjacent beret slice group, institute
State back hook portion and extend to beret slice and exceed the frame of the beret slice and turn back and be buckled on the frame of the beret slice, the frame
At least top is equipped with frame in the frame edge in the back hook portion on block main body outer side surface, the frame along bottom surface with it is highly immediate
The groove top face of positioning straight slot flushes.
10. a kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure according to claim 3, it is characterised in that：The company
Connect steel bar the inner and be at least fixed with one group of anchor plate and nut for being used for anticreep, direction connects steel bar outer end on the anchor plate
Hangnail is additionally provided with side；The side wall root thickness is 100 ~ 120cm, and the connection steel bar is embedded in the side wall root in advance
The length of part be 70 ~ 85 cm, the length for stretching out the part of the side wall root is 10 ~ 20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692521.7U CN207314376U (en) | 2017-06-15 | 2017-06-15 | A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692521.7U CN207314376U (en) | 2017-06-15 | 2017-06-15 | A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN207314376U true CN207314376U (en) | 2018-05-04 |
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| CN201720692521.7U Expired - Fee Related CN207314376U (en) | 2017-06-15 | 2017-06-15 | A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119717A (en) * | 2017-06-15 | 2017-09-01 | 中铁十六局集团第三工程有限公司 | A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure |
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2017
- 2017-06-15 CN CN201720692521.7U patent/CN207314376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119717A (en) * | 2017-06-15 | 2017-09-01 | 中铁十六局集团第三工程有限公司 | A kind of waters tunnel is without punching Screw arbor with nut at both-ends formwork erecting structure |
| CN107119717B (en) * | 2017-06-15 | 2023-02-28 | 中铁十六局集团第三工程有限公司 | No-through opposite-pulling screw rod formwork structure for water area tunnel |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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