CN205875202U - Cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered - Google Patents
Cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered Download PDFInfo
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- CN205875202U CN205875202U CN201620564460.1U CN201620564460U CN205875202U CN 205875202 U CN205875202 U CN 205875202U CN 201620564460 U CN201620564460 U CN 201620564460U CN 205875202 U CN205875202 U CN 205875202U
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- steel plate
- chamfering
- cast
- formwork system
- soft soil
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Abstract
The utility model relates to a cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered, its characterized in that includes following structure: PVC pipe, nut, vertical recoverable screw rod, the recoverable screw rod of slant, common plate, angle steel plate, steel sheet connecting piece, montant link, embedded connection groove, the stake of TRD worker method, the evacuation platform template etc. Of falling. The utility model discloses a cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered has advantages such as the structure is reliable, construction convenience, resources are saved.
Description
Technical field
This utility model relates to a kind of high-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system, is suitable for framework
The construction in tunnel, is particularly suited for high-moisture and surpasses the multicell framework constructing tunnel of soft clay area.
Background technology
Underground space development gradually starts upsurge in recent years, and construction of underground structure presents large span, multicell and structure shape
The feature that formula is complicated.Wenzhou Area major part is Soft Clay, and silt depth is big, and moisture content is saturated, and foundation capability is low
Under, there is difficulty very big, constructional difficulties.This just Large Underground main body stay in place form engineering is proposed than in the past the highest
Requirement, underground traffic formwork construction technology is increasingly becoming the core technology of Large Underground main body structure construction.
The most domestic when building tunnel, during cut and cover tunneling, often use stagewise tradition wooden model formwork skill
Art, but there is speed of application slowly in this technology, the defects such as form joint is many, and Surface Quality of Concrete is bad.Mix further for underground
Body of wall outside solidifying soil, because of formwork narrow space, traditional two-sided formwork support process is difficult with, and traditional split bolt formwork
Technology can make body of wall infiltration phenomenon occur.
In sum, though existing tunnel can obtain ideal basement process effect under suitable conditions of project natural environment
Really, but construction procedure is loaded down with trivial details, and difficulty of construction is big, especially in the construction of the high-moisture ultra-soft soil that reply Wenzhou Area is representative
In there is substantial amounts of weak point.In consideration of it, need a kind of Stability Analysis of Structures of invention at present badly, bearing capacity is high, economic benefit is excellent
High-moisture weak soil box multicell cast in place frame method for tunnel construction, to reach easy construction, cheap, major part parts
Reusable, there is certain economic technology benefit.
Summary of the invention
The purpose of this utility model is to provide a kind of high-moisture ultra-soft soil box multicell cast in place frame tunnel to prop up die body
System, makes every effort to realize the rapid construction in multicell framework tunnel, and has outstanding structural stability, reaches major part parts and repeats
Utilize.
For realizing above-mentioned technical purpose, this utility model have employed techniques below scheme:
High-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system, it is characterised in that framework tunnel structure by
Uplift pile (1), stand column pile (2), base plate (3), side wall (8), mid-board (9), chamfering (4), top board (16) and evacuation platform (10)
Composition；Formwork system includes montant (18), cross bar (19), Crossing brace (20), bamboo slab rubber (21), the secondary stupefied lumps of wood (22), main stupefied side
Wood (23), adjustable transverse are to torr support (27) and adjustable vertical torr support (28)；Base plate (3) and chamfering (4) have been respectively fixedly connected with
General steel plate (14) and chamfering steel plate (13)；On general steel plate (14) and chamfering steel plate (13), it is provided with montant connects end
(17), montant (18) bottom is inserted montant and is connected in end (17), upper end and the adjustable vertical torr of setting in top board (16) template
Support (28) connects, and cross bar (19) two ends and the adjustable transverse of setting in side wall (8) template, mid-board (9) template are to torr support (27)
Connect.
Further, pre-buried pvc pipe (6) and nut (7) in base plate (3) and chamfering (4), base plate (3) is by vertically returning
Receiving screw rod (12) and connect general steel plate (14), chamfering (4) connects chamfering steel plate (13) by oblique recyclable screw rod (5).
General steel plate (14) and chamfering steel plate (13) edge equal welding steel connector (15), general steel plate (14) and chamfering
Steel plate (13) is fastened by bolts and is linked to be entirety.
Both sides, framework tunnel are provided with TRD engineering method stake (34), and the shaped steel (35) on stake top is welded to connect steel bar (36), connect steel
By socketing, bar (37) and formwork system are fixing to be connected bar (36).
Mid-board (9) is provided with Screw arbor with nut at both-ends (24), and Screw arbor with nut at both-ends (24) is tight by double nut (26), Two bors d's oeuveres steel pipe (25)
It is solidly connected.
Above-mentioned high-moisture ultra-soft soil box multicell cast in place frame method for tunnel construction, its main construction procedure is as follows:
1) basement process: set uplift pile (1) and stand column pile (2) after unwrapping wire, carry out the excavation of framework tunnel foundation ditch, foundation ditch
Top pours one layer of thin bed course；
2) construction of bottom plates: colligation baseplate reinforcing bar, pre-buried pvc pipe (6) and nut (7), formwork erection pours base plate (3) concrete,
Nut bore is blocked with screw rod by casting process, extracts after initial set；Chamfering (4) independent formwork construction, same pre-buried pvc pipe (6)
With nut (7)；
3) formwork system location and installation: be arranged above with montant at general steel plate (14) and chamfering steel plate (13) and connect end
(17), being connected by vertical recyclable screw rod (12) and base plate (3) are fixing by general steel plate (14), chamfering steel plate (13) is by tiltedly
Fix to recyclable screw rod (5) and chamfering (4) and be connected；Montant (18), cross bar (19) and Crossing brace (20), montant (18) end, are installed
End inserts montant and connects in end (17)；
4) side wall template construction: colligation side wall reinforcing bar, installs bamboo slab rubber (21) and makees side template, and bamboo slab rubber (21) is by secondary stupefied
The lumps of wood (22), the main stupefied lumps of wood (23) are reinforced, and regulation adjustable transverse withstands the main stupefied lumps of wood (23) to torr support (27), and side wall top is passed through
Setting sockets bar 37 and connection steel bar (36) reinforcement by connection welded on TRD engineering method stake (34) top shaped steel (35)；
5) mid-board template construction: colligation mid-board reinforcing bar, in evacuation platform position pre-buried rubber and plastic block (30) and laterally connects
Connect muscle (31), mid-board bamboo slab rubber 21 is installed and makees template, with laterally adjustable joint torr support (27), the secondary stupefied lumps of wood (22), the main stupefied lumps of wood
(23) reinforce, cross bar (19) is connected to torr support (27) with adjustable transverse；Mid-board template is uniformly arranged Screw arbor with nut at both-ends
(24), Screw arbor with nut at both-ends (24) is fastenedly connected by double nut (26), Two bors d's oeuveres steel pipe (25)；
6) top board construction: install top board bed die, arranges time stupefied lumps of wood (22), the main stupefied lumps of wood (23), the support of vertical adjustable support
(28), montant (18) upper end is connected with adjustable vertical torr support (28)；Top board bed die both sides overlap with side wall die head, tie up
Prick roof steel bar, subsequently casting concrete；
7) evacuation platform construction: after mid-board form removal, removes rubber and plastic block (30), leaves embedded link slot (29), in groove
It is provided with lateral connection muscle (31), installs evacuation platform template (32), by evacuation platform reinforcing bar with lateral connection muscle (31) colligation
Fixing, pour evacuation platform (10).
This utility model has following feature and a beneficial effect:
(1) use integration formwork system, optimize construction procedure, it is achieved that the fast and convenient construction in framework tunnel.
(2) base plate is provided with built-in fitting, connects end steel plate and connects formwork system, fixing the most respectively, be between end steel plate
Integral system is linked to be an entirety, has good bearing capacity.
(3) shaped steel during side wall top makes full use of TRD engineering method stake, forms the single side formwork knot with good stress-bearing capability
Structure, easy construction.
(4) construct after evacuation platform, use bulk integral forming steel form, optimize construction procedure, saved the duration.
Accompanying drawing explanation
Fig. 1 is this utility model high-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system schematic diagram.
Fig. 2 is end steel plate joint detail figure at A in Fig. 1.
Fig. 3 is mid-board template schematic diagram at B in Fig. 1.
Fig. 4 is to embed link slot schematic diagram in Fig. 1 at C.
Fig. 5 is connection figure in side form top at D in Fig. 1.
Fig. 6 is evacuation platform formwork schematic diagram.
Fig. 7 is box multicell cast in place frame tunnel structure sectional drawing.
Fig. 8 is this utility model construction flow chart.
In figure: 1-uplift pile, 2-stand column pile, 3-base plate, 4-chamfering, the oblique recyclable screw rod of 5-, 6-PVC manages, 7-nut,
8-side wall, 9-mid-board, 10-evacuation platform, 11-construction joint, the vertical recyclable screw rod of 12-, 13-chamfering steel plate, 14-ordinary steel
Plate, 15-steel plate connector, 16-top board, 17-montant connection end, 18-montant, 19-cross bar, 20-Crossing brace, 21-bamboo slab rubber,
22-the stupefied lumps of wood, the stupefied lumps of wood of 23-master, 24-Screw arbor with nut at both-ends, 25-Two bors d's oeuveres steel pipe, 26-double nut, 27-adjustable transverse supports to torr,
The adjustable vertical torr support of 28-, the embedded link slot of 29-, 30-rubber and plastic block, 31-lateral connection muscle, 32-evacuation platform template, 33-
Shuttering supporting, 34-TRD engineering method stake, 35-shaped steel, 36-connects steel bar, and 37-sockets bar.
Detailed description of the invention
The pile piling technique requirement of cast-in-situ bored pile, welding procedure technology requirement, scaffold building in present embodiment
Technology requirement etc. repeats no more, and emphasis illustrates the high-moisture ultra-soft soil box multicell cast in place frame tunnel that this utility model relates to
The embodiment of construction.
Fig. 1 is this utility model high-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system schematic diagram, and Fig. 2 is
End steel plate joint detail figure at A in Fig. 1；Fig. 3 is mid-board template schematic diagram at B in Fig. 1；Fig. 4 is to embed at C in Fig. 1 to connect
Groove schematic diagram；Fig. 5 is connection figure in side form top at D in Fig. 1；Fig. 6 is box multicell cast in place frame tunnel structure sectional drawing；Fig. 7
It it is box multicell cast in place frame tunnel structure sectional drawing.
With reference to the high-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system shown in Fig. 1-7, framework tunnel knot
Structure is made up of uplift pile 1, stand column pile 2, base plate 3, side wall 8, mid-board 9, chamfering 4, top board 16 and evacuation platform 10；Formwork system
Including montant 18, cross bar 19, Crossing brace 20, bamboo slab rubber 21, the secondary stupefied lumps of wood 22, the main stupefied lumps of wood 23, adjustable transverse to torr support 27 and
Adjustable vertical torr support 28；Base plate 3 and chamfering 4 have been respectively fixedly connected with general steel plate 14 and chamfering steel plate 13；At general steel plate
14 and chamfering steel plate 13 above be provided with montant and connect end 17, montant 18 bottom is inserted montant and is connected in end 17, upper end and top
Adjustable vertical torr support 28 connection arranged in plate 16 template, cross bar 19 two ends and side wall 8 template, mid-board 9 template are arranged
Adjustable transverse to torr support 27 connection.
Pre-buried pvc pipe 6 and nut 7 in base plate 3 and chamfering 4, base plate 3 connects general steel plate by vertical recyclable screw rod 12
14, chamfering 4 connects chamfering steel plate 13 by oblique recyclable screw rod 5.
General steel plate 14 and chamfering steel plate 13 edge equal welding steel connector 15, general steel plate 14 and chamfering steel plate 13 lead to
Cross bolt fastening and be linked to be entirety.
Both sides, framework tunnel are provided with TRD engineering method stake 34, and the shaped steel 35 on stake top is welded to connect steel bar 36, connect steel bar 36 and lead to
Cross and socket that bar 37 and formwork system are fixing to be connected.
Mid-board 9 is provided with Screw arbor with nut at both-ends 24, and Screw arbor with nut at both-ends 24 is fastenedly connected by double nut 26, Two bors d's oeuveres steel pipe 25.
As shown in Figure 8, high-moisture ultra-soft soil multicell in-situ frame beam constructing tunnel step is as follows:
1) basement process: set after unwrapping wireUplift pile 1,Stand column pile 2, carries out opening of framework tunnel foundation ditch
Digging, the degree of depth is 8m, and foundation ditch top pours one layer of thin bed course of 20cm.
2) construction of bottom plates: colligation baseplate reinforcing bar, rebar sizes is according to design load, and reasonable Arrangement built-in fitting: pvc pipe 6(manages
Footpath 30cm), nut 7(M30), formwork erection pours base plate 3 concrete, and base plate thickness is 0.5m, in casting process with M30 screw rod by spiral shell
The closure of female hole, extracts after initial set；The independent formwork construction of chamfering 4, chamfering angle size is the same pre-buried pvc pipe 6 of 500mm*500mm, spiral shell
Cap 7.
3) formwork system location and installation: be arranged above with montant at general steel plate 14 and chamfering steel plate 13 and connect end 17.Commonly
Steel plate 14, chamfering steel plate 15 thickness are 28mm, and general steel plate 14 is connected by vertical recyclable screw rod 12 is fixing with base plate 3；
Chamfering steel plate 13 is connected by oblique recyclable screw rod 5 is fixing with chamfering 4；Montant 18, cross bar 19, Crossing brace 20, montant are installed
18 insert montant connects in end 17.
4) side wall template construction: colligation side wall reinforcing bar, installation side template, uses bamboo slab rubber 21, and template is by secondary stupefied
The lumps of wood 22, the main stupefied lumps of wood 23 are reinforced, and the secondary stupefied lumps of wood, main stupefied lumps of wood monarch are the 100mm*100mm lumps of wood, and main stupefied lumps of wood regulation is adjustable
Laterally the main stupefied lumps of wood 23 is withstood in torr support 27, and side wall top sockets bar 38 by setting, welds on TRD engineering method stake 34 top shaped steel 35
Connection steel bar 36 reinforcement by connection connect.
5) mid-board template construction: colligation mid-board reinforcing bar, evacuation platform position pre-buried 30cm*30cm rubber and plastic block 30,Lateral connection muscle 31,Mid-board template (bamboo slab rubber) is installed, same with laterally adjustable joint hold in the palm support 27, the secondary stupefied lumps of wood 22,
The main stupefied lumps of wood 23 is reinforced, and is connected to torr support 27 with adjustable transverse by cross bar 19；It is evenly arranged with Screw arbor with nut at both-ends 24 to reinforce simultaneously, logical
Cross double nut 26, Two bors d's oeuveres steel pipe 25 is fastenedly connected.
6) top board construction: install top board bed die, what lower end was respectively provided with is time stupefied lumps of wood 22, the main stupefied lumps of wood 23, vertically may be used
Holder for regulating support 28, top board bed die both sides overlap with side wall die head, and colligation roof steel bar, subsequently casting concrete, thickness is
0.5m。
7) evacuation platform construction: after mid-board form removal, removes rubber and plastic block 30, leaves embedded link slot 29, arranges in groove
There is lateral connection muscle 31, install evacuation platform template, evacuation platform reinforcing bar is fixed with lateral connection muscle colligation, pour evacuation flat
Platform 10, a length of 0.9m of evacuation platform.
Claims (5)
1. high-moisture ultra-soft soil box multicell cast in place frame tunnel formwork system, it is characterised in that framework tunnel structure is by resisting
Pile pulling (1), stand column pile (2), base plate (3), side wall (8), mid-board (9), chamfering (4), top board (16) and evacuation platform (10) group
Become；Formwork system includes montant (18), cross bar (19), Crossing brace (20), bamboo slab rubber (21), the secondary stupefied lumps of wood (22), the main stupefied lumps of wood
(23), adjustable transverse is to torr support (27) and adjustable vertical torr support (28)；Base plate (3) and chamfering (4) have been respectively fixedly connected with general
Logical steel plate (14) and chamfering steel plate (13)；On general steel plate (14) and chamfering steel plate (13), it is provided with montant connects end
(17), montant (18) bottom is inserted montant and is connected in end (17), upper end and the adjustable vertical torr of setting in top board (16) template
Support (28) connects, and cross bar (19) two ends and the adjustable transverse of setting in side wall (8) template, mid-board (9) template are to torr support (27)
Connect.
High-moisture ultra-soft soil box multicell cast in place frame tunnel the most according to claim 1 formwork system, its feature exists
Pre-buried pvc pipe (6) and nut (7) in base plate (3) and chamfering (4), base plate (3) connects general by vertical recyclable screw rod (12)
Logical steel plate (14), chamfering (4) connects chamfering steel plate (13) by oblique recyclable screw rod (5).
High-moisture ultra-soft soil box multicell cast in place frame tunnel the most according to claim 2 formwork system, its feature exists
In general steel plate (14) and chamfering steel plate (13) edge equal welding steel connector (15), general steel plate (14) and chamfering steel plate
(13) it is fastened by bolts and is linked to be entirety.
High-moisture ultra-soft soil box multicell cast in place frame tunnel the most according to claim 1 formwork system, its feature exists
It is provided with TRD engineering method stake (34) in both sides, framework tunnel, the shaped steel (35) on stake top is welded to connect steel bar (36), connect steel bar (36)
By socketing, bar (37) and formwork system are fixing to be connected.
High-moisture ultra-soft soil box multicell cast in place frame tunnel the most according to claim 1 formwork system, its feature exists
Mid-board (9) is provided with Screw arbor with nut at both-ends (24), and Screw arbor with nut at both-ends (24) is by double nut (26), Two bors d's oeuveres steel pipe (25) fastening even
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564460.1U CN205875202U (en) | 2016-06-08 | 2016-06-08 | Cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564460.1U CN205875202U (en) | 2016-06-08 | 2016-06-08 | Cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205875202U true CN205875202U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564460.1U Expired - Fee Related CN205875202U (en) | 2016-06-08 | 2016-06-08 | Cast -in -place frame tunnel formwork system of high water content ultra -soft soil box multi -chambered |
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| CN (1) | CN205875202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339100A (en) * | 2018-11-09 | 2019-02-15 | 中铁二十二局集团轨道工程有限公司 | A kind of open trench tunnel falsework system and construction |
| CN111305247A (en) * | 2019-11-28 | 2020-06-19 | 上海泾东建筑发展有限公司 | Installation process of box type foundation formwork on upper side of subway cover plate |
-
2016
- 2016-06-08 CN CN201620564460.1U patent/CN205875202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339100A (en) * | 2018-11-09 | 2019-02-15 | 中铁二十二局集团轨道工程有限公司 | A kind of open trench tunnel falsework system and construction |
| CN111305247A (en) * | 2019-11-28 | 2020-06-19 | 上海泾东建筑发展有限公司 | Installation process of box type foundation formwork on upper side of subway cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170608 |