CN203847132U - Plug formwork for formwork trolley and plug junction for secondary lining of tunnel - Google Patents
Plug formwork for formwork trolley and plug junction for secondary lining of tunnel Download PDFInfo
- Publication number
- CN203847132U CN203847132U CN201420252701.XU CN201420252701U CN203847132U CN 203847132 U CN203847132 U CN 203847132U CN 201420252701 U CN201420252701 U CN 201420252701U CN 203847132 U CN203847132 U CN 203847132U
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- China
- Prior art keywords
- formwork
- couplet
- punching block
- tunnel
- line
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Abstract
The utility model discloses a plug formwork for a formwork trolley and a plug junction for secondary lining of a tunnel. A formwork part comprises a steel formwork part comprising an arc steel formwork upper piece and an arc steel formwork lower piece, and long strip-shaped holes are formed in an upper piece connection rod and a lower piece connection rod. The steel formwork upper piece and the steel formwork lower piece are fixed on the upper piece connection rod and the lower piece connection rod through bolts, and an arc gap for allowing a water blocking strip to pass through is formed between the steel formwork upper piece and the steel formwork lower piece. An arc wooden board for sealing the lateral surface is formed by multiple sections and can be attached to the outer side of the steel formwork upper piece in a pouring state. The utility model further discloses a junction structure. A water blocking clamping groove is formed in the steel formwork part, shortcomings existing in a splicing wooden formwork are overcome, efficiency in water repellent treatment and water tightness of the position of a construction joint are improved, and construction manufacturing cost is reduced. The wooden formwork part is formed by splicing battens, so that adjustability is strong, the wooden formwork is adaptive to an uneven basal plane of a surrounding rock, and the height of the wooden formwork can be adjusted according to different lining thicknesses.
Description
Technical field
This scheme belongs to and in tunnel construction of tunnel, needs the template of concrete casting field, specifically locking plug template and plug node for a kind of Tunnel Second Lining formwork jumbo.
Background technology
In the construction of tunnel of drill bursting construction and employing composite lining, the mould that need to coordinate steel formwork jumbo to carry out secondary lining is built.At present, adopt the tunnel of drill bursting construction mostly to adopt composite lining, the secondary lining that the preliminary bracing being made up of bolt-spary supports and form concrete form both at home and abroad.Wherein, more secondary lining adopts steel formwork jumbo to carry out mould and builds, and in two lining concrete placements, a side at chassis two ends contacts with the concrete being shaped, and does not need shutoff, and an other side is faced sky, and locking plug template need be set.Because the thickness of Tunnel Second Lining changes with Grades of Surrounding Rock, and drilling and blasting method to excavate the country rock basal plane causing uneven, locking plug template cannot be made the punching block of sizing.The basic wooden model that adopts interim spelling system in constructing tunnel at present, the fixing narrow batten different in size of hoop is as locking plug template, and middle buried water stop (bar) adopts reinforcing bar to fasten at lining cutting middle part (hoop layout).
The template system of this structure is subject to the impact of existing construction technology, and the wooden assembled formwork of employing, because seam is too much, often occurs local spillage phenomenon in work progress, cause basal plane coarse, and expansion sealing strip waterproof effect is had a greatly reduced quality; And for middle buried water stop, because locking plug template is wooden structures, cannot reserve fixed card slot, can only position by reinforcing bar card is set and (adopt the paragraph of plain concrete secondary lining, still need hoop spacer bars is set), virtually increase engineering cost, and complicated construction technique, difficult quality guarantee.That is to say, waterstop (bar) erection procedure is comparatively complicated on the one hand, constuction joint contact basal plane is comparatively coarse on the one hand, cause waterproof effect variation, in operation process, often there is constuction joint water leakage defect (according to incompletely statistics, constuction joint water leakage defect has all appearred in domestic 90% tunnel).
Utility model content
In order to solve buried water stop in prior art (bar), difficult, installation base surface problem of rough are installed, the utility model provides a kind of Tunnel Second Lining formwork jumbo steel and wood composite locking plug template, be used for improving seam quality and waterproof effect, and the plug node and the method for blocking that use this template are provided.
The utility model solves the technical scheme that its technical problem adopts: Tunnel Second Lining formwork jumbo locking plug template, it is characterized in that, and comprise
The punching block part being formed by the arc punching block first line of a couplet and the arc punching block second line of a couplet of concentric structure, wherein, described punching block first line of a couplet section is Z-shaped, punching block second line of a couplet section is I shape;
Up and down connecting rod, and be provided with strip hole in described up and down connecting rod;
The described punching block first line of a couplet and the punching block second line of a couplet are bolted on respectively on up and down connecting rod and between two punching blocks and form an arc shaped slits of passing for holding waterstop, between the described punching block second line of a couplet and up and down connecting rod, are provided with packing ring;
Wood based panel, the arc wood based panel that side is carried out to shutoff is made up of multistage, can be fitted in the outside of the punching block first line of a couplet under the state of building.
Further, on the described punching block second line of a couplet, have for surveying with chassis the preformed hole that rib is fixed.
Further, described up and down connecting rod is a strip steel plate stamping parts.
A kind of Tunnel Second Lining plug node, is characterized in that, comprises
The injection concrete basal plane of sclerosis, described injection concrete basal plane and tunnel basement rock are solidified into one;
Form concrete layer, described form concrete layer is wet matter state,
And the hoop template that form concrete layer end face supported, described hoop template is directly connected on chassis,
And the locking plug template that shutoff is carried out in form concrete layer side, described locking plug template is above-mentioned Tunnel Second Lining formwork jumbo locking plug template, and the punching block second line of a couplet in described locking plug template is fixed on the chassis side rib for providing support to locking plug template by securing member;
And pre-filled waterstop, the outer end of described waterstop extends to outside after through the gap on described locking plug template, and the pivot joint position of waterstop is positioned at outside,
And the fixing muscle of hoop, be separately fixed at the inside and outside both sides of the wood based panel in described locking plug template with the fixing muscle of the direct-connected described annular of chassis, and described wood based panel is through the fixing muscle of annular and top is withstood on described injection concrete basal plane.
Further, described wood based panel is MULTILAYER COMPOSITE plank.
Further, described locking plug template is used in combination taking 2 meters as one unit length.
The beneficial effects of the utility model are: the utility model has been researched and developed the template form of steel and wood composite, punching block part arranges waterstop (bar) draw-in groove, overcome many defects that splicing wooden model exists, significantly improve efficiency and the waterproof effect of constuction joint place waterproofing work, reduce construction costs; Wooden model part is spliced by lath, and controllability is strong, can the rough basal plane of suitable for surrounding rock, and it highly also can regulate with the difference of lining thickness.In addition, this template is Lay Importance on Practical very, can significantly improve the construction quality of Tunnel Second Lining and constuction joint waterproof and perform efficiency.
Brief description of the drawings
Fig. 1 is the stereogram of template.
Fig. 2 is the front view of template.
Fig. 3 is I in Fig. 2--I profile.
Fig. 4 is II in Fig. 2--II profile.
Fig. 5 is node schematic diagram.
Fig. 6 is the annular plugging effect schematic diagram that uses this locking plug template to form.
Fig. 7 is the constuction joint schematic diagram that uses this template secondary lining to form.
In figure: the 1 punching block first line of a couplet, the 2 punching block second lines of a couplet, 3 up and down connecting rods, 31 strip holes, 4 bolts, 41 packing rings, 5 waterstops, 51 gaps, 52 dodge space, 6 wood based panels, 7 preformed holes, 8 side ribs, 9 hoops are fixed muscle, 91 hoop templates.
Detailed description of the invention
As shown in Figures 1 to 4,
Tunnel Second Lining formwork jumbo steel and wood composite locking plug template, is made up of following part.
The punching block part being formed by the arc punching block first line of a couplet 1 and the arc punching block second line of a couplet 2 of concentric structure, wherein, two punching blocks are all moulding, are Z-shaped at the punching block first line of a couplet 1 section, the punching block second line of a couplet 2 sections are I shape, with reference to the pattern in figure 1 and Fig. 3.Two punching blocks have similar radian, and are concentric circles distribution pattern.
Up and down connecting rod 3, and be provided with strip hole 31 in described up and down connecting rod, above-mentioned up and down connecting rod is a strip steel plate stamping parts, having is a connector.The punching block first line of a couplet and the punching block second line of a couplet are fixed on up and down connecting rod by bolt 4 respectively, and between two punching blocks, form the gap 51 of passing for holding waterstop 5 of an arc, wherein the punching block first line of a couplet and up and down connecting rod are directly fastenedly connected, and be provided with packing ring 41 between the punching block second line of a couplet and up and down connecting rod, what form an indent dodges space 52, be used for dodging waterstop, for waterstop provides space.On the described punching block second line of a couplet, have for surveying with chassis the preformed hole 7 that rib is fixed, for being reasonably fastenedly connected with chassis side rib.
Wood based panel 6, the arc wood based panel that side is carried out to shutoff is made up of multistage, combines use with punching block part, can be fitted in the outside of the punching block first line of a couplet under the state of building.
A kind of Tunnel Second Lining plug node, is described in detail the composition structure of node below.
As Fig. 5 and Fig. 6, the injection concrete basal plane of sclerosis, described injection concrete basal plane and tunnel basement rock are solidified into one, and its surface has rough shape, also be the directly face of contact of wood based panel upper edge in locking plug template, ensure the contact surface place herein not spillage material that closely cooperates.
For ease of the dismounting in work progress and transport, above-mentioned locking plug template is intended taking 2 meters as one unit (for ease of description architecture composition, having provided a kind of simple schematic diagram in Fig. 6).
Before two lining pouring concretes, first the punching block second line of a couplet of steel template 2 being carried out to bolt with the side rib 8 of formwork jumbo fixes, then buried water stop 5 in installing, after installing waterstop 5, the steel template first line of a couplet 1 is installed again, and by up and down connecting rod 3, punching block up and down is combined into entirety, and clamp waterstop, wherein the waterstop part one section of surplus that should leak outside, pivot joint position with dodge in space, and folding downwards.Then wood based panel 6 fixed to muscle 9 through hoop from bottom to top and the top of wood based panel 6 is held out against spraying on concrete basal plane, completing the blackout work of a unit.Seek inferior progressive, complete and after whole section template is installed, carry out conventional pumps and send concrete to do industry, concrete is injected to the space between locking plug template and hoop template, after maintenance after a while, after form removal, the constuction joint that secondary lining forms forms pattern as shown in Figure 7.
In this node, form concrete layer is wet matter state, can immobilization after maintenance after a while.
Above-mentioned hoop template 91 is directly connected on chassis, uses chassis to support.
The punching block second line of a couplet that above-mentioned locking plug template carries out in shutoff and described locking plug template form concrete layer side is fixed on the chassis side rib for providing support to locking plug template by securing member, is connected with chassis, uses chassis to support.
The fixing muscle 9 of hoop is directly connected with chassis, its essence is the arch steel of a stiffness, form an external support, the fixing muscle of annular is separately fixed at the inside and outside both sides of the wood based panel in described locking plug template, it is the steel component of brace scutum, in inside and outside both sides, wood based panel is provided support and clamped wood based panel, make wood based panel 6 through the fixing muscle of annular and top is withstood on described injection concrete basal plane.
Embodiment recited above is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; relevant technical staff in the field, to various distortion of the present utility model and improvement, all should expand in protection domain as determined in the utility model claims.
Claims (6)
1. a Tunnel Second Lining formwork jumbo locking plug template, is characterized in that, comprises
The punching block part being formed by the arc punching block first line of a couplet and the arc punching block second line of a couplet of concentric structure, wherein, described punching block first line of a couplet section is Z-shaped, punching block second line of a couplet section is I shape;
Up and down connecting rod, and be provided with strip hole in described up and down connecting rod;
The described punching block first line of a couplet and the punching block second line of a couplet are bolted on respectively and on up and down connecting rod and between two punching blocks, form an arc shaped slits of passing for holding waterstop, and are provided with packing ring between the described punching block second line of a couplet and up and down connecting rod;
And wood based panel, the arc wood based panel that side is carried out to shutoff is made up of multistage, can be fitted in the outside of the punching block first line of a couplet under the state of building.
2. Tunnel Second Lining formwork jumbo locking plug template according to claim 1, is characterized in that, has for surveying with chassis the preformed hole that rib is fixed on the described punching block second line of a couplet.
3. Tunnel Second Lining formwork jumbo locking plug template according to claim 1, is characterized in that, described up and down connecting rod is a strip steel plate stamping parts.
4. a Tunnel Second Lining plug node, is characterized in that, comprises
The injection concrete basal plane of sclerosis, described injection concrete basal plane and tunnel basement rock are solidified into one;
Form concrete layer, described form concrete layer is wet matter state,
And the hoop template that form concrete layer end face supported, described hoop template is directly connected on chassis,
And the locking plug template that shutoff is carried out in form concrete layer side, described locking plug template is the Tunnel Second Lining formwork jumbo locking plug template described in any one in claims 1 to 3, and the punching block second line of a couplet in described locking plug template is fixed on the chassis side rib for providing support to locking plug template by securing member;
And pre-filled waterstop, the outer end of described waterstop extends to outside after through the gap on described locking plug template, and the pivot joint position of waterstop is positioned at outside,
And the fixing muscle of hoop, be separately fixed at the inside and outside both sides of the wood based panel in described locking plug template with the fixing muscle of the direct-connected described annular of chassis, and described wood based panel is through the fixing muscle of annular and top is withstood on described injection concrete basal plane.
5. Tunnel Second Lining plug node according to claim 4, is characterized in that, described wood based panel is MULTILAYER COMPOSITE plank.
6. Tunnel Second Lining plug node according to claim 4, described locking plug template is used in combination taking 2 meters as one unit length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252701.XU CN203847132U (en) | 2014-05-16 | 2014-05-16 | Plug formwork for formwork trolley and plug junction for secondary lining of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252701.XU CN203847132U (en) | 2014-05-16 | 2014-05-16 | Plug formwork for formwork trolley and plug junction for secondary lining of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847132U true CN203847132U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252701.XU Withdrawn - After Issue CN203847132U (en) | 2014-05-16 | 2014-05-16 | Plug formwork for formwork trolley and plug junction for secondary lining of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847132U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982199A (en) * | 2014-05-16 | 2014-08-13 | 山东省交通规划设计院 | Plug template, plug node and blocking method for template trolley for secondary lining of tunnel |
| CN106761827A (en) * | 2016-12-23 | 2017-05-31 | 湖南五新隧道智能装备股份有限公司 | A kind of tunnel-liner closure mould bases |
| CN108386210A (en) * | 2018-04-26 | 2018-08-10 | 中国水利水电第四工程局有限公司 | Length pipe plug template blocks ruggedized construction |
| CN110630017A (en) * | 2019-09-30 | 2019-12-31 | 重庆华硕建设有限公司 | Construction joint forming device for plate-shaped component |
-
2014
- 2014-05-16 CN CN201420252701.XU patent/CN203847132U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982199A (en) * | 2014-05-16 | 2014-08-13 | 山东省交通规划设计院 | Plug template, plug node and blocking method for template trolley for secondary lining of tunnel |
| CN103982199B (en) * | 2014-05-16 | 2016-03-30 | 山东省交通规划设计院 | Tunnel Second Lining formwork jumbo locking plug template, plug node and method for blocking |
| CN106761827A (en) * | 2016-12-23 | 2017-05-31 | 湖南五新隧道智能装备股份有限公司 | A kind of tunnel-liner closure mould bases |
| CN108386210A (en) * | 2018-04-26 | 2018-08-10 | 中国水利水电第四工程局有限公司 | Length pipe plug template blocks ruggedized construction |
| CN110630017A (en) * | 2019-09-30 | 2019-12-31 | 重庆华硕建设有限公司 | Construction joint forming device for plate-shaped component |
| CN110630017B (en) * | 2019-09-30 | 2022-01-14 | 重庆华硕建设有限公司 | Construction joint forming device for plate-shaped component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |