CN110307010A - Hydraulic tunnel abutment wall and bottom plate lining construction template system - Google Patents
Hydraulic tunnel abutment wall and bottom plate lining construction template system Download PDFInfo
- Publication number
- CN110307010A CN110307010A CN201910702841.XA CN201910702841A CN110307010A CN 110307010 A CN110307010 A CN 110307010A CN 201910702841 A CN201910702841 A CN 201910702841A CN 110307010 A CN110307010 A CN 110307010A
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- Prior art keywords
- abutment wall
- bottom plate
- construction
- template system
- tear open
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- 238000010276 construction Methods 0.000 title claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 239000003351 stiffener Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009415 formwork Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
Abstract
The invention discloses a kind of hydraulic tunnel abutment walls and bottom plate lining construction template system and its construction method.It is simple to provide a kind of manufacture installation, construction method can significantly improve the hydraulic tunnel abutment wall and bottom plate lining construction template system and its construction method of construction efficiency.The template system includes the standard form of the sequence arrangement on the outside of tunnel abutment wall, further includes that abutment wall and bottom plate intersection exempt to tear open assembled steel plate, the outside exempted to tear open assembled steel plate and be arranged in the armored concrete at abutment wall lower part and contacts baseplate position.The sequence of construction of the construction method is the binding of the reserved baseplate reinforcing bar in the abutment wall reinforcing bar and bottom plate first carried out in abutment wall, then the binding of abutment wall and bottom plate intersection stiffener is carried out, then according to field conditions cutting exempt to tear open assembled steel plate and by it is assembled in place, then the standard form at the position of abutment wall middle and upper part is installed on the outside of concrete reinforcement, finally pours the work for completing that abutment wall construction is carried out using the template system.
Description
Technical field
The present invention relates to a kind of template systems, more particularly, to a kind of hydraulic tunnel abutment wall and bottom plate lining construction template
System belongs to concrete pouring construction design of technological arrangement manufacturing technology field.The template is used the invention further relates to a kind of
The construction method of system progress tunnel abutment wall construction.
Background technique
In hydraulic and hydroelectric engineering, in order to keep cavern to stablize, tunnel roughness is reduced, reinforced concrete lining layer structure is in tunnel
It is widely used in the engineering of hole.It since hydraulic tunnel section is generally large, is limited by execution conditions and technology, current water conservancy project
Construction of Tunnel Liner can not also accomplish whole section one-time-concreting molding.In Construction of Tunnel Liner, generally should first construct bottom plate, most
After construct side and roof arch, but in practice of construction, in order to accelerate construction progress, improve construction efficiency, tunnel lining usually uses elder generation
Construction side and roof arch, the sequence of construction for bottom plate of finally constructing.Although above-mentioned lining construction scheme improves construction efficiency, but bring
When the construction of tunnel side wall lining, bar splicing and formwork erection problem between abutment wall and bottom plate.It is calculated and is transported by tunnel lining
Row practice have shown that, in hydraulic tunnel operational process, tunnel abutment wall is often that erosion attack is most first occurred with bottom plate intersection
Position, therefore, in order to which tunnel lining is stablized, it is ensured that the intersection of tunnel operational safety, tunnel abutment wall and bottom plate removes normal arrangement of reinforcement
Outside, it needs to be arranged here bending muscle and brace also usually to reinforce arrangement of reinforcement, and all reinforcing bars is required to hand in abutment wall and bottom plate
It cannot be disconnected at boundary.Thus cause intersection reinforcing bar binding complicated, if continuing using traditional rigid template or plank sheathing, mould
The manufacture of plate and installation, disassembly are not only complicated, and it is time-consuming and laborious take material, bring very big inconvenience to Construction of Tunnel Liner, drop
Low construction efficiency, influences construction speed.
Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of manufacture installation is simple, and construction method can be significantly improved and be applied
The hydraulic tunnel abutment wall and bottom plate lining construction template system of work efficiency rate.The present invention also provides a kind of using the template system
System carries out the construction method of tunnel abutment wall construction.
Used technical solution is to solve above-mentioned technical problem: a kind of hydraulic tunnel abutment wall and bottom plate lining construction are used
Template system, the standard form including the sequence arrangement on the outside of tunnel abutment wall, the template system further includes abutment wall and bottom plate
Intersection exempts to tear open assembled steel plate, the reinforced concrete exempted to tear open assembled steel plate and be arranged in abutment wall lower part Yu contacts baseplate position
The outside of soil.
Exempt to tear open the thickness that assembled steel plate is further, described and be no more than 2 ㎜.
The preferred mode of the above solution is that the assembled steel plate of exempting to tear open is uniformly to arrange perforated keyway type hole
Plate.
Further, the diameter of the eyelet on the keyway profiled orifice plate, between 8~12 ㎜, each eyelet exists
It is arranged on the orifice plate in blossom type.
The preferred mode of the above solution is that the standard form is that plank sheathing or fastener assemble steel template.
Further, the thickness of the fastener assembly steel template thickness or plank sheathing is not less than 5 ㎝.
A kind of construction method carrying out tunnel abutment wall construction with the template system, the sequence of construction of the construction method are
The binding for first carrying out the reserved baseplate reinforcing bar in the abutment wall reinforcing bar and bottom plate in abutment wall, then carries out abutment wall and bottom plate intersection adds
The binding of strong reinforcing bar exempts to tear open assembled steel plate according to what field conditions cut abutment wall and bottom plate intersection after the completion of reinforcing bar binding,
And that section that its assembly to abutment wall lower part and base plate thickness are adapted is bundled to the outside for the concrete reinforcement completed, then exist
The standard form at the position of abutment wall middle and upper part is installed on the outside of concrete reinforcement, finally carries out pouring described in completion use for abutment wall
The work of template system progress abutment wall construction.
Further, being tied up when bundling the concrete reinforcement in the abutment wall and bottom plate using reinforcing steel bar-binding bench vehicle scene
It rolls.
Further, first pour rich concrete grout when pouring and exempting to tear open the abutment wall on the inside of assembled steel plate, then again by setting
Meter requires to pour normal concrete.
The beneficial effects of the present invention are: the application exempts to tear assembled steel open by the way that the setting in abutment wall and bottom plate intersection is a set of
Plate, and by the described outside exempted to tear open assembled steel plate and be arranged in the armored concrete at abutment wall lower part and contacts baseplate position.In this way,
When formwork erection is to the intersection of tunnel abutment wall and bottom plate, exempt to tear open assembled steel plate due to the abutment wall and bottom plate intersection
It is that can arbitrarily be cut at the scene and quick-assembling made of the thin-walled steel plate of a set of eyelet, so carrying out the position
Reinforcing bar bind construction when, can fully according to design requirement carry out reinforcing bar laying, without consider template specification and
Pattern；And the template is the design of groove type hole eye type, the underplate concrete that the later period can be made to pour and side wall concrete are more preferable
Combination；The template later period without removing, saves the removed material expense of template simultaneously.In this way, entire template system, especially
It is related to the production, the installation equal ten that there is the template interfered with each other between abutment wall and the binding of bottom plate intersection complexity reinforcing bar and formwork erection
Divide simply, to keep the construction of template system also very convenient, eliminates abutment wall with bottom plate intersection and intersected shadow by reinforcing bar
Ring and the template that occurs is repeatedly determining and comparison work, and eliminate must factory, profiled template is at least carried out in builder's temporary shed
The complicated processes of processing can significantly improve speed of application, but also the construction quality of template system can be improved.Meanwhile
Exempt to tear open groove type aperture plate of the assembled steel plate using thickness in 1~2 ㎜, institute due to the abutment wall and bottom plate intersection
After the completion of pouring, can according to need makes it become the pad mould at construction joint, without removing, accelerates construction speed and section
Save construction investment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hydraulic tunnel abutment wall of the present invention and bottom plate lining construction template system；
Fig. 2 be the present invention relates to exempt from tear the planar structure schematic diagram of assembled steel plate open.
Fig. 3 be the present invention relates to exempt from tear the schematic view of facade structure of assembled steel plate open.
In the figure, it is marked as abutment wall 1, bottom plate 2, abutment wall reinforcing bar 3, reserved baseplate reinforcing bar 4, stiffener 5, standard form 6, exempting from
Tear assembled steel plate 7, eyelet 8 open.
Specific embodiment
It is that a kind of manufacture installation provided by the invention is simple as shown in Figure 1, Figure 2 and shown in Fig. 3, construction method can be mentioned significantly
The hydraulic tunnel abutment wall of high construction efficiency and bottom plate lining construction template system and it is a kind of using the template system into
The construction method of row tunnel abutment wall construction.Template system, it is described including the standard form 6 along 1 outside sequence arrangement of tunnel abutment wall
Template system further include that abutment wall and bottom plate intersection exempt to tear open assembled steel plate 7, the assembled steel plate 7 of exempting to tear open is arranged in abutment wall
The outside of the armored concrete of 1 lower part and 2 contact site of bottom plate.The sequence of construction of the construction method is first to carry out in abutment wall 1
Abutment wall reinforcing bar 3 and bottom plate 2 in reserved baseplate reinforcing bar 4 binding, then carry out abutment wall 1 and 2 intersection stiffener 5 of bottom plate
Binding exempt to tear open assembled steel plate 7 according to what field conditions cut abutment wall 1 and 2 intersection of bottom plate after the completion of reinforcing bar binding, and
The outside for the concrete reinforcement that section of binding that its assembly to 1 lower part of abutment wall and 2 thickness of bottom plate are adapted is completed, then exists
The standard form 6 at the position of abutment wall middle and upper part is installed on the outside of concrete reinforcement, finally carry out abutment wall 1 pours completion using institute
State the work that template system carries out abutment wall construction.The application exempts to tear assembled steel open by the way that the setting in abutment wall and bottom plate intersection is a set of
Plate, and by the described outside exempted to tear open assembled steel plate and be arranged in the armored concrete at abutment wall lower part and contacts baseplate position.In this way,
When formwork erection is to the intersection of tunnel abutment wall and bottom plate, exempt to tear open assembled steel plate due to the abutment wall and bottom plate intersection
It is that can arbitrarily be cut at the scene and quick-assembling made of the thin-walled steel plate of a set of eyelet, so carrying out the position
Reinforcing bar bind construction when, can fully according to design requirement carry out reinforcing bar laying, without consider template specification and
Pattern；And the template is the design of groove type hole eye type, the underplate concrete that the later period can be made to pour and side wall concrete are more preferable
Combination；The template later period without removing, saves the removed material expense of template simultaneously.In this way, entire template system, especially
It is related to the production, the installation equal ten that there is the template interfered with each other between abutment wall and the binding of bottom plate intersection complexity reinforcing bar and formwork erection
Divide simply, to keep the construction of template system also very convenient, eliminates abutment wall with bottom plate intersection and intersected shadow by reinforcing bar
Ring and the template that occurs is repeatedly determining and comparison work, and eliminate must factory, profiled template is at least carried out in builder's temporary shed
The complicated processes of processing can significantly improve speed of application, but also the construction quality of template system can be improved.Meanwhile
Exempt to tear open groove type aperture plate of the assembled steel plate using thickness in 1~2 ㎜, institute due to the abutment wall and bottom plate intersection
After the completion of pouring, can according to need makes it become the pad mould at construction joint, without removing, accelerates construction speed and section
Save construction investment.
In above embodiment, in order to reduce production cost, in situ conditioning, cutting when postorder being facilitated to use, while again
Template when pouring be can guarantee to the validity of concrete support, the herein described thickness for exempting to tear open assembled steel plate 7 is no more than 2 ㎜；
And preferably combined for the underplate concrete for pouring the later period with side wall concrete, which designs for groove type, to increase
The assembled effect of stitching portion, and then improve the combination effect of underplate concrete and side wall concrete.Meanwhile also described being exempted to tear open
Assembled steel plate 7 is selected as the orifice plate of uniform arrangement perforation 8.At this point, the diameter of the eyelet 8 on the orifice plate is preferably 8
Between~12 ㎜, and arrange that each eyelet 8 on the orifice plate in blossom type.Since described exempts to tear open assembled steel
Plate 7 is using thickness in the keyway profiled orifice plate of 1~2 ㎜, so after the completion of pouring, can according to need makes it at becoming to construct
Pad mould at seam, without not removing.Meanwhile standard form 6 described herein assembles steel mould using plank sheathing or fastener
Plate.The thickness of the fastener assembly steel template thickness or plank sheathing is not less than 5 ㎝.And in specific work progress, first construct
The binding of abutment wall reinforcing bar 3, reserved baseplate reinforcing bar 4 and stiffener 5, the then contact in lower part, that is, abutment wall of abutment wall 1 with bottom plate
Position installation exempts to tear assembled steel plate 7 open, and the installation of standard form 6 is then carried out using telescoping steel form, finally completes abutment wall lining
The pouring construction of block.With this with into when bundling the concrete reinforcement in the abutment wall 1 and bottom plate 2 using reinforcing steel bar-binding bench
Vehicle scene, which is tied up, rolls.Rich concrete grout is first poured when pouring the abutment wall 1 of 7 inside of corner lining cutting assembly steel plate, then again by design
It is required that pouring normal concrete.In this way, by and existing standard form combination, both ensure that the cost of manufacture of template system,
Fit on does not need to increase a large amount of specific purpose tool newly yet at the scene, while overcoming tunnel abutment wall and bottom plate corner inconvenience again
The technical issues of construction.
In conclusion being also had the advantage that using Die and mould plate system provided by the present application and its construction method
Due in hydraulic tunnel lining construction, the not same thickness of the lining thickness of tunnel, with geological conditions
Change at any time, so the template type needed for the intersection of tunnel abutment wall and bottom plate is also not standard component, it be with lining cutting type
The variation of formula and change, therefore to expend the template that a large amount of manpower and material resources go to the fabrication and installation position.The abutment wall of the application with
Bottom plate intersection exempts to tear open assembled steel plate with light weight, and convenient in carrying carries out any cutting at the scene and cuts, easy processing molding,
The features such as easy for installation, exempts to tear assembled steel plate open using this, can substantially reduce the complicated reinforcing bar because of tunnel abutment wall and bottom plate intersection
It binds and bring formwork erection difficulty, improves template utilization efficiency, realize the rapid construction of tunnel lining；The abutment wall is used simultaneously
Exempt to tear assembled steel plate open with bottom plate intersection, a large amount of artificial and timber can be saved, reduce cost of labor, reduce the use to timber
Amount, achievees the purpose that saving and environmental protection；And the netted eyelet that abutment wall exempts to tear open assembled steel plate with bottom plate intersection can also mitigate
To part lateral pressure caused by template when casting concrete, a large amount of auxiliary stands for saving template are further reduced the cost, are saved
Construction investment is saved, simultaneously because the design of keyway improves tunnel lining conducive to the connection of underplate concrete and side wall concrete
Globality.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention is provided in a kind of construction of hydraulic and hydroelectric engineering tunnel reinforced concrete lining layer
Convenient for the template system of abutment wall and the construction of bottom plate intersection formwork erection.In Construction of Tunnel Liner, first to abutment wall and baseplate reinforcing bar into
Row binding construction, after the completion of reinforcing bar binding construction according to on-site actual situations to exempt to tear open assembled steel plate cut, aperture and spelling
Dress completes the template installation of tunnel abutment wall and bottom plate intersection, then carries out traditional steel form to tunnel top abutment wall again
Installation, after template is all installed, start to tunnel abutment wall carry out concreting, for be conducive to underplate concrete with
The connection of side wall concrete, exempts to tear assembled steel plate range open and first pours rich concrete grout in lining side wall bottom, then again by design
It is required that pouring normal concrete.
Claims (9)
1. a kind of hydraulic tunnel abutment wall and bottom plate lining construction template system, including sequence is arranged on the outside of tunnel abutment wall (1)
Standard form (6), it is characterised in that: the template system further includes that abutment wall and bottom plate intersection exempt to tear open assembled steel plate
(7), it is described exempt to tear open assembled steel plate (7) be arranged in abutment wall (1) lower part and bottom plate (2) contact site armored concrete it is outer
Side.
2. hydraulic tunnel abutment wall according to claim 1 and bottom plate lining construction template system, it is characterised in that: described
Exempt to tear open the thickness that assembled steel plate (7) is and is no more than 2 ㎜.
3. hydraulic tunnel abutment wall according to claim 1 or 2 and bottom plate lining construction template system, it is characterised in that:
Described exempts to tear open the keyway profiled orifice plate that assembled steel plate (7) are uniform arrangement perforation (8).
4. hydraulic tunnel abutment wall according to claim 3 and bottom plate lining construction template system, it is characterised in that: described
For the diameter of eyelet (8) on keyway profiled orifice plate between 8~12 ㎜, each eyelet (8) is in plum on the orifice plate
Flower pattern arrangement.
5. hydraulic tunnel abutment wall according to claim 4 and bottom plate lining construction template system, it is characterised in that: described
Standard form (6) be that plank sheathing or fastener assemble steel template.
6. hydraulic tunnel abutment wall according to claim 5 and bottom plate lining construction template system, it is characterised in that: described
Fastener assembles steel template thickness or the thickness of plank sheathing is not less than 5 ㎝.
7. the construction method that a kind of template system described in claim 6 carries out tunnel abutment wall construction, it is characterised in that: described to apply
The sequence of construction of work method is the reserved baseplate reinforcing bar (4) in the abutment wall reinforcing bar (3) and bottom plate (2) first carried out in abutment wall (1)
Then binding carries out the binding of abutment wall (1) and bottom plate (2) intersection stiffener (5), after the completion of reinforcing bar binding, according to existing
Field situation cutting abutment wall (1) exempts to tear open assembled steel plate (7) with bottom plate (2) intersection, and abutment wall (1) lower part and bottom are arrived in its assembly
The outside for the concrete reinforcement that section of binding that plate (2) thickness is adapted is completed, then installs on the outside of concrete reinforcement
Standard form (6) at the position of abutment wall middle and upper part, the completion that pours for finally carrying out abutment wall (1) carry out side using the template system
The work of wall construction.
8. construction method according to claim 7, it is characterised in that: bundle mixed in the abutment wall (1) and bottom plate (2)
It is tied up and is rolled using reinforcing steel bar-binding bench vehicle scene when solidifying soil reinforcing bar.
9. construction method according to claim 7, it is characterised in that: pouring the abutment wall for exempting to tear open on the inside of assembled steel plate (7)
(1) rich concrete grout is first poured when, then pours normal concrete by design requirement again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702841.XA CN110307010A (en) | 2019-07-31 | 2019-07-31 | Hydraulic tunnel abutment wall and bottom plate lining construction template system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702841.XA CN110307010A (en) | 2019-07-31 | 2019-07-31 | Hydraulic tunnel abutment wall and bottom plate lining construction template system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307010A true CN110307010A (en) | 2019-10-08 |
Family
ID=68082588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910702841.XA Pending CN110307010A (en) | 2019-07-31 | 2019-07-31 | Hydraulic tunnel abutment wall and bottom plate lining construction template system |
Country Status (1)
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| CN (1) | CN110307010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281766A (en) * | 2020-09-09 | 2021-01-29 | 中国水利水电第九工程局有限公司 | Construction method for bottom plate of spillway tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281766A (en) * | 2020-09-09 | 2021-01-29 | 中国水利水电第九工程局有限公司 | Construction method for bottom plate of spillway tunnel |
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