CN212985239U - Tunnel U-shaped reinforced concrete center drainage ditch construction formwork support system - Google Patents
Tunnel U-shaped reinforced concrete center drainage ditch construction formwork support system Download PDFInfo
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- CN212985239U CN212985239U CN202021847319.5U CN202021847319U CN212985239U CN 212985239 U CN212985239 U CN 212985239U CN 202021847319 U CN202021847319 U CN 202021847319U CN 212985239 U CN212985239 U CN 212985239U
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- drainage ditch
- steel
- central drainage
- support system
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000009415 formwork Methods 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 239000004567 concrete Substances 0.000 claims abstract description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 206010063659 Aversion Diseases 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a tunnel construction field relates to a tunnel U type reinforced concrete center escape canal construction formwork support system. The related tunnel central drainage ditch template support system is provided with a tunnel central drainage ditch support frame surrounded by four steel panels; the tunnel central drainage ditch supporting frame is positioned in the poured inverted arch concrete; the four steel panels are provided with two vertically arranged steel panels I which are symmetrically arranged and a steel panel II which is positioned at the bottom of the two steel panels I and is transversely arranged; one end of each steel panel II is movably connected with the corresponding steel panel I, and the other ends of the steel panels II are connected into a whole through a bottom die piercing type fixing piece; a cross arm is arranged above the supporting frame of the central drainage ditch of the tunnel; the cross arm is provided with two vertical supporting rods which can move along the cross arm; the vertical supporting rod is positioned in the supporting frame of the central drainage ditch of the tunnel and is fixedly connected with the corresponding steel panel I. The utility model discloses guaranteed that central escape canal headroom size and bottom concrete are sufficient, the template aversion is very simple and convenient, light.
Description
Technical Field
The utility model relates to a tunnel construction field, concretely relates to tunnel U type reinforced concrete center escape canal template support system.
Background
In the tunnel construction of China, the rock mass has tunnels with water seepage, tunnel central drainage ditches are basically arranged under the road surface so as to meet the drainage of the rock mass and not influence the normal passage of the tunnels; in the prior art, the central drainage ditch of the tunnel mostly adopts an assembled steel template, the central drainage ditch is cast in sections, one section is cast after each assembly and reinforcement, a template reinforcement part needs to be disassembled when the next section is cast, the central drainage ditch is shifted to the next section, the central drainage ditch is assembled and reinforced again, and then concrete is cast; the clearance of the central drainage ditch is difficult to ensure, the line shape is not easy to control, the concrete of the bottom plate is not compact and is not flat, the single block is assembled and disassembled and is shifted, the transfer is very inconvenient, the working procedure is complex, and the work efficiency of installing and reinforcing the template is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a tunnel U type reinforced concrete center escape canal template support system.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a U-shaped reinforced concrete central drainage ditch template and a support system for a tunnel are disclosed, wherein the template support system is provided with a tunnel central drainage ditch support frame surrounded by four steel panels; the U-shaped reinforced concrete central drainage ditch supporting frame of the tunnel is positioned in the poured and formed inverted arch concrete; the four steel panels are provided with two vertically arranged steel panels I which are symmetrically arranged and a steel panel II which is positioned at the bottom of the two steel panels I and is transversely arranged; one end of each of the two steel face plates II is bent upwards and then movably connected with the corresponding steel face plate I, and the other ends of the two steel face plates II are connected into a whole through a bottom die penetrating type fixing piece; the two steel panels I and the two steel panels II are connected into a whole to form a tunnel central drainage ditch supporting frame with an opening on the upper end face; a cross arm is arranged above the supporting frame of the central drainage ditch of the tunnel; two ends of the cross arm are respectively supported and fixed on the poured inverted arch concrete; the cross arm is provided with a vertical supporting rod which can horizontally slide along the cross arm; the two vertical supporting rods are symmetrically arranged; the upper ends of the two vertical supporting rods are slidably supported on the cross arm; two the lower extreme of vertical support rod all is located tunnel center escape canal braced frame in, just two vertical support rod all links firmly with steel face plate I that corresponds, constitutes two vertical support rod slides adjustment tunnel center escape canal braced frame inner space's structure in opposite directions or dorsad on the cross arm.
The lower parts between the two vertical supporting rods are connected into a whole through two channel steels arranged back to back; the two back-to-back channel steels can move relatively to adjust the size of the inner space of the tunnel center drainage ditch supporting frame.
And one end of each of the two steel panels II is bent upwards and then movably connected with the corresponding steel panel I through a hinge.
The bottom die feed-through fixing piece is provided with angle steels which are respectively fixed on the two steel face plates II; and the two angle steels are fixed into a whole through a pin shaft, so that the two steel face plates II are fixed into a whole to form the open bottom die.
The end of one of the two steel face plates II is provided with a downward inclined groove, and the groove is positioned at the joint of the two steel face plates II.
The utility model provides a tunnel U type reinforced concrete center escape canal template and support system, adopt the tunnel center escape canal braced frame that four steel face plates enclose, the shaping is once assembled to four steel face plates, be fixed in on two side steel face plates I with the reinforcement part of two side steel face plates I, set up between two side steel face plates between II and cross the fixed, guarantee that I intervals of two side steel face plates are fixed, thereby central escape canal headroom size has been guaranteed, the die block adopts open die block, guarantee that the bottom concrete is full and full, whole sliding groove formula removes during the aversion, the template aversion is very simple and convenient, light, and need not every time monolithic piece to piece and tear open and fix.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the inverted arch concrete is poured and formed, and comprises 2 steel panels I and 3, steel panels II and 4, cross arms 5, vertical supporting rods 6, channel steel 7, a tunnel center drainage ditch 8, a reserved drainage port 10, angle steel 11, a pin shaft 12 and a sliding groove.
Detailed Description
The invention is described in connection with the accompanying drawings and the embodiments:
as shown in fig. 1, a tunnel U-shaped reinforced concrete center drain template support system has a tunnel center drain support frame surrounded by four steel panels; the supporting frame of the tunnel central drainage ditch is positioned in the poured inverted arch concrete 1; the four steel panels are provided with two vertically arranged steel panels I2 which are symmetrically arranged and a steel panel II 3 which is positioned at the bottom of the two steel panels I and is transversely arranged; one end of each of the two steel panels II 3 is bent upwards and then movably connected with the corresponding steel panel I2 through a hinge (not shown), and the other ends of the two steel panels II 3 are connected into a whole through a bottom die penetrating type fixing piece; the two steel face plates I2 and the two steel face plates II 3 are connected into a whole to form a tunnel central drainage ditch supporting frame with an opening on the upper end face; a cross arm 4 is arranged above the support frame of the central drainage ditch of the tunnel; two ends of the cross arm 4 are respectively supported and fixed on the poured inverted arch concrete 1; the cross arm 4 is provided with a vertical supporting rod 5 which can horizontally slide along the cross arm; the vertical support rods 5 are symmetrically arranged; the upper ends of the two vertical supporting rods 5 are slidably supported on the cross arm 4; two the lower extreme of vertical support rod 5 all is located tunnel center escape canal braced frame in, and two vertical support rod all links firmly with steel face plate I2 that corresponds, constitutes two vertical support rod slides adjustment tunnel center escape canal braced frame inner space's structure in opposite directions or dorsad on the cross arm.
The lower parts between the two vertical supporting rods 5 are connected into a whole through two channel steels 6 arranged back to back; the two back-to-back channel steels 6 can move relatively to adjust the size of the inner space of the tunnel central drainage ditch supporting frame.
The bottom die feed-through fixing piece is provided with angle steel 10 which is respectively fixed on the two steel panels II; the two angle steels 10 are fixed into a whole through a pin shaft 11, so that the two steel panels II are fixed into a whole to form the open bottom die.
The end of one of the two steel face plates II is provided with a downward inclined slope (not shown in the figure), and the groove is positioned at the joint of the two steel face plates II.
Claims (5)
1. The utility model provides a tunnel U type reinforced concrete center escape canal construction formwork support system which characterized in that: the template support system is provided with a tunnel central drainage ditch support frame surrounded by four steel panels; the supporting frame of the tunnel central drainage ditch is positioned in the poured inverted arch concrete; the four steel panels are provided with two vertically arranged steel panels I which are symmetrically arranged and a steel panel II which is positioned at the bottom of the two steel panels I and is transversely arranged; one end of each of the two steel face plates II is bent upwards and then movably connected with the corresponding steel face plate I, and the other ends of the two steel face plates II are connected into a whole through a bottom die penetrating type fixing piece; the two steel panels I and the two steel panels II are connected into a whole to form a tunnel central drainage ditch supporting frame with an opening on the upper end face; a cross arm is arranged above the supporting frame of the central drainage ditch of the tunnel; two ends of the cross arm are respectively supported and fixed on the poured inverted arch concrete; the cross arm is provided with a vertical supporting rod which can horizontally slide along the cross arm; the two vertical supporting rods are symmetrically arranged; the upper ends of the two vertical supporting rods are slidably supported on the cross arm; two the lower extreme of vertical support rod all is located tunnel center escape canal braced frame in, just two vertical support rod all links firmly with steel face plate I that corresponds, constitutes two vertical support rod slides adjustment tunnel center escape canal braced frame inner space's structure in opposite directions or dorsad on the cross arm.
2. The support system for the tunnel U-shaped reinforced concrete central drainage ditch construction formwork as claimed in claim 1, wherein: the lower parts between the two vertical supporting rods are connected into a whole through two channel steels arranged back to back; the two back-to-back channel steels can move relatively to adjust the size of the inner space of the tunnel center drainage ditch supporting frame.
3. The support system for the tunnel U-shaped reinforced concrete central drainage ditch construction formwork as claimed in claim 1, wherein: and one end of each of the two steel panels II is bent upwards and then movably connected with the corresponding steel panel I through a hinge.
4. The support system for the tunnel U-shaped reinforced concrete central drainage ditch construction formwork as claimed in claim 1, wherein: the bottom die feed-through fixing piece is provided with angle steels which are respectively fixed on the two steel face plates II; and the two angle steels are fixed into a whole through a pin shaft, so that the two steel face plates II are fixed into a whole to form the open bottom die.
5. The support system for the tunnel U-shaped reinforced concrete central drainage ditch construction formwork as claimed in claim 1, wherein: the end of one of the two steel face plates II is provided with a downward inclined groove, and the groove is positioned at the joint of the two steel face plates II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847319.5U CN212985239U (en) | 2020-08-31 | 2020-08-31 | Tunnel U-shaped reinforced concrete center drainage ditch construction formwork support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847319.5U CN212985239U (en) | 2020-08-31 | 2020-08-31 | Tunnel U-shaped reinforced concrete center drainage ditch construction formwork support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985239U true CN212985239U (en) | 2021-04-16 |
Family
ID=75435922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021847319.5U Active CN212985239U (en) | 2020-08-31 | 2020-08-31 | Tunnel U-shaped reinforced concrete center drainage ditch construction formwork support system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985239U (en) |
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2020
- 2020-08-31 CN CN202021847319.5U patent/CN212985239U/en active Active
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