CN205291227U - A device is pour to bulky lining cutting model for tunnel model is experimental - Google Patents

A device is pour to bulky lining cutting model for tunnel model is experimental Download PDF

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Publication number
CN205291227U
CN205291227U CN201521095278.8U CN201521095278U CN205291227U CN 205291227 U CN205291227 U CN 205291227U CN 201521095278 U CN201521095278 U CN 201521095278U CN 205291227 U CN205291227 U CN 205291227U
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CN
China
Prior art keywords
formword
exterior sheathing
tunnel
external mold
adjacent
Prior art date
Application number
CN201521095278.8U
Other languages
Chinese (zh)
Inventor
陈仁春
吕荔炫
洪永佳
黄国雄
叶涛
Original Assignee
福州市规划设计研究院
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Application filed by 福州市规划设计研究院 filed Critical 福州市规划设计研究院
Priority to CN201521095278.8U priority Critical patent/CN205291227U/en
Application granted granted Critical
Publication of CN205291227U publication Critical patent/CN205291227U/en

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Abstract

The utility model provides a device is pour to bulky lining cutting model for tunnel model is experimental, include the inner formword and overlap in the exterior sheathing in the inner formword outside, the inner formword is formed by the concatenation of the centre form arc board more than three or three, the exterior sheathing is formed by the concatenation of the external mold arc board more than three or three, is equipped with between board concatenation department of adjacent centre form arc and the concatenation of adjacent external mold arc board are taken things and ends the thick liquid strip, pours the device with current lining cutting model and compares, adopts the vertical seam that the thick liquid strip fills template concatenation department of ending, can prevent the side dew thick liquid of the process of pouring, can provide certain operating space for follow -up form removal process again to the convenient bulky lining cutting model drawing of patterns, the adoption bottom is ended the thick liquid ring and is filled the space between interior exterior sheathing, can prevent bottom dew thick liquid, can control the mutual location between the interior exterior sheathing again to the geometry of guaranteeing the lining cutting model accords with the designing requirement.

Description

A kind of large volume lining model for tunnel model test is built device
Technical field
The utility model relates to a kind of large volume lining model for tunnel model test and builds device.
Background technology
Model test is by certain how much, physical relation, replaces prototype to carry out testing research with model, and by result of study for the test method of prototype. In the relevant model test of Tunnel Engineering, its tunnel-liner model is conventionally adopted with the following method and is made: according to the physical dimension customization steel mold of lining model, gypsum slurries or the cement bonded sand slurries of stream being moulded to state inject wherein, after slurries solidify and are fully dry, remove steel mold, obtain testing the lining model of use.
If the design section of lining model is large, design length is longer, the contact area between lining model and steel mold also correspondingly enlarges markedly, there is larger difficulty in the now demoulding of large volume lining model, knocks mode forced demoulding if adopt, and easily damages steel mold and lining model. The outline line curvature of large volume lining model changes conventionally also more complicated on the other hand, how to ensure the accurate location between inner and outer template, ensures that the lining model physical dimension of building moulding meets designing requirement, also exists certain difficulty.
Summary of the invention
The utility model improves for the problems referred to above, to be solved in the utility model, in existing tunnel lining model manufacturing process, exists, and lining cutting is difficult for the demoulding and physical dimension is difficult to the technical problems such as control.
Specific embodiments of the present utility model is: a kind of large volume lining model for tunnel model test is built device; it is characterized in that; comprise inner formword and be placed on the exterior sheathing in inner formword outside; described inner formword is spliced by more than three or three internal mold arc plates; described exterior sheathing is spliced by more than three or three external mold arc plates, between adjacent internal mold arc plate stitching portion and adjacent external mold arc plate stitching portion, is provided with grouting bar.
Further, internal mold arc plate two ends have the internal mold fixed head extending to the inside, and the adjacent internal mold fixed head of adjacent internal mold arc plate is fixedly connected with through bolt, and described grouting bar is fixed between adjacent internal mold fixed head.
Further, external mold arc plate two ends have the external mold fixed head extending laterally, and the adjacent external mold fixed head of adjacent external mold arc plate is fixedly connected with through bolt, and described grouting bar is fixed between adjacent external mold fixed head.
Further, the bottom of described inner formword and exterior sheathing is provided with the grout stop in space between sealing inner and outer template.
Further, described grout stop is arciform, and middle part inserts in the space between inner formword and exterior sheathing, and described middle part is interior large outer little taper.
Further, described inner and outer template surface is all coated with petrolatum layer.
Compared with prior art, the utlity model has following beneficial effect: compared with building device with existing lining model, the utility model adopts the seam of vertical grouting bar filling template stitching portion, slurry is revealed in the side that can prevent casting process, again can be for follow-up form removal process provides certain operating space, to facilitate the demoulding of large volume lining model; Adopt the space between bottom grout stop filling inner and outer template, can prevent bottom dew slurry, can control again the mutual location between inner and outer template, meet designing requirement with the physical dimension that ensures lining model.
Brief description of the drawings
Fig. 1 is that assembled front lining model is built device.
Fig. 2 is that the lining model after assembled is built device (top view).
Fig. 3 is that the lining model after assembled is built device (profile).
Fig. 4 is grouting ring structure schematic diagram.
In figure: 10-inner formword, 110-internal mold arc plate, 111-internal mold fixed head, 20-exterior sheathing, 210-exterior sheathing, 211-external mold fixed head, 30-grouting bar, 40-bolt, 50-grout stop.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Fig. 1~4; a kind of large volume lining model for tunnel model test is built device; comprise inner formword 10 and be placed on the exterior sheathing 20 in inner formword outside; described inner formword 10 is spliced by more than three or three internal mold arc plates 110; described exterior sheathing 20 is spliced by more than three or three external mold arc plates 210, between adjacent internal mold arc plate 110 stitching portions and adjacent external mold arc plate 210 stitching portions, is provided with grouting bar 30.
Internal mold arc plate 110 two ends have the internal mold fixed head 111 extending to the inside, and the adjacent internal mold fixed head 111 of adjacent internal mold arc plate 110 is fixedly connected with through bolt 40, and described grouting bar 30 is fixed between adjacent internal mold fixed head 111. In order to be beneficial to the later stage demoulding, described inner formword surface is coated with petrolatum layer.
External mold arc plate 210 two ends have the external mold fixed head 211 extending laterally, and the adjacent external mold fixed head 211 of adjacent external mold arc plate 210 is fixedly connected with through bolt 40, and described grouting bar 30 is fixed between adjacent external mold fixed head 211. In order to be beneficial to the later stage demoulding, described exterior sheathing surface is coated with petrolatum layer.
The bottom of described inner formword 10 and exterior sheathing 20 is provided with the grout stop 60 in sealing inner and outer template gap. Described grout stop 60 cross sections are arciform, and edge buckles into inner formword 10 and exterior sheathing 20, and insert in the gap between inner formword 10 and exterior sheathing 20 at middle part, and described middle part is interior large outer little taper, to increase sealing.
In the present embodiment, have three internal mold arc plates 110 and external mold arc plate 210, when work, three inner formwords 110 are spliced into the internal mold of lining model by bolt, the seam crossing of each internal mold arc plate 110 should leave certain interval, and with the filling of vertical grouting bar;
The external mold that three external mold arc plates 210 is spliced into lining model by bolt, the seam crossing of each external mold arc plate 210 should leave certain interval, and with the filling of vertical grouting bar.
Described multiple described internal mold arc plate splicing shifts to install in multiple described external mold arc plates stitching portion, in order to avoid affect the pouring quality of lining model.
Above-mentioned inner formword 10, exterior sheathing 20 and bottom grout stop 60, the lining model of common composition sealing is built device, can prevent bottom dew slurry, can control again the mutual location between inner and outer template. The gypsum slurries of certain proportioning is injected to above-mentioned building in device, and take the modes such as ventilation or heating, accelerate the drying and moulding of lining model.
Remove bolt and the vertical grouting bar of each internal mold arc plate 110 and external mold arc plate 210 seam crossings, for follow-up form removal provides operating space. And then can adopt the manpower modes such as vibration of flickering, remove successively three inner formwords. Adopt above-mentioned similar method, remove successively three exterior sheathings, finally obtain the good tunnel-liner model of pouring quality.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (6)

1. the large volume lining model for tunnel model test is built device; it is characterized in that; comprise inner formword and be placed on the exterior sheathing in inner formword outside; described inner formword is spliced by more than three or three internal mold arc plates; described exterior sheathing is spliced by more than three or three external mold arc plates, between adjacent internal mold arc plate stitching portion and adjacent external mold arc plate stitching portion, is provided with grouting bar.
2. a kind of large volume lining model for tunnel model test according to claim 1 is built device; it is characterized in that; internal mold arc plate two ends have the internal mold fixed head extending to the inside; the adjacent internal mold fixed head of adjacent internal mold arc plate is fixedly connected with through bolt, and described grouting bar is fixed between adjacent internal mold fixed head.
3. a kind of large volume lining model for tunnel model test according to claim 1 is built device; it is characterized in that; external mold arc plate two ends have the external mold fixed head extending laterally; the adjacent external mold fixed head of adjacent external mold arc plate is fixedly connected with through bolt, and described grouting bar is fixed between adjacent external mold fixed head.
4. a kind of large volume lining model for tunnel model test according to claim 1 is built device, it is characterized in that, the bottom of described inner formword and exterior sheathing is provided with the grout stop in sealing inner and outer template gap.
5. a kind of large volume lining model for tunnel model test according to claim 4 is built device, it is characterized in that, described grout stop is arciform, and middle part inserts in the gap between inner formword and exterior sheathing, and described middle part is interior large outer little taper.
6. a kind of large volume lining model for tunnel model test according to claim 1 is built device, it is characterized in that, described inner and outer template surface is all coated with petrolatum layer.
CN201521095278.8U 2015-12-25 2015-12-25 A device is pour to bulky lining cutting model for tunnel model is experimental CN205291227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521095278.8U CN205291227U (en) 2015-12-25 2015-12-25 A device is pour to bulky lining cutting model for tunnel model is experimental

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521095278.8U CN205291227U (en) 2015-12-25 2015-12-25 A device is pour to bulky lining cutting model for tunnel model is experimental

Publications (1)

Publication Number Publication Date
CN205291227U true CN205291227U (en) 2016-06-08

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CN201521095278.8U CN205291227U (en) 2015-12-25 2015-12-25 A device is pour to bulky lining cutting model for tunnel model is experimental

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105459253A (en) * 2015-12-25 2016-04-06 福州市规划设计研究院 Large-volume lining model pouring device for tunnel model test and method of large-volume lining model pouring device
CN111775277A (en) * 2020-05-21 2020-10-16 长安大学 Method for arranging reinforcing ribs in large-span tunnel lining model in geomechanical model test

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105459253A (en) * 2015-12-25 2016-04-06 福州市规划设计研究院 Large-volume lining model pouring device for tunnel model test and method of large-volume lining model pouring device
CN111775277A (en) * 2020-05-21 2020-10-16 长安大学 Method for arranging reinforcing ribs in large-span tunnel lining model in geomechanical model test

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CP01 Change in the name or title of a patent holder

Address after: Municipal Administration Institute of Fuzhou planning and Design Institute, No.1, Gaoxin Avenue, Gaoxin District, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350108

Patentee after: Fuzhou planning and Design Institute Group Co.,Ltd.

Address before: Municipal Administration Institute of Fuzhou planning and Design Institute, No.1, Gaoxin Avenue, Gaoxin District, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350108

Patentee before: FUZHOU PLANNING DESIGN & Research Institute

CP01 Change in the name or title of a patent holder