CN215633140U - Recyclable cable tunnel working well fireproof partition - Google Patents
Recyclable cable tunnel working well fireproof partition Download PDFInfo
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- CN215633140U CN215633140U CN202121311835.0U CN202121311835U CN215633140U CN 215633140 U CN215633140 U CN 215633140U CN 202121311835 U CN202121311835 U CN 202121311835U CN 215633140 U CN215633140 U CN 215633140U
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Abstract
The utility model discloses a recyclable fireproof partition for a cable tunnel working well. It is attached to the cross section of the working well and has the same shape as the cross section of the working well; the recycled cable tunnel working well fireproof partition comprises a lintel, a permanent plugging wall body, a recyclable wall body, a ring beam, cable groove box openings, constructional columns and a fireproof door; the lintel, the constructional column and the ring beam are connected to form a stable stress structure; the fireproof door is fixed between the constructional column and the lintel; the permanent plugging wall body is built outside the lintel, the ring beam and the constructional column to form a structural wall; the permanent blocking wall body is positioned above the fireproof door; the cable groove box is provided with an opening on the permanent plugging wall body; the reusable wall body is built among the permanent plugging wall body, the steel construction columns and the ring beams; the recyclable wall body is a cable wall penetrating part. The utility model has the advantages of realizing simple disassembly and restoration of fireproof separation during cable laying and improving the cable laying efficiency.
Description
Technical Field
The utility model relates to the field of cable tunnels, in particular to a recyclable cable tunnel working well fireproof partition.
Background
In order to meet the requirements of urban construction and power grid development, the cabling rate of an urban power supply system is continuously improved. The electric power tunnel is widely applied by the advantages of large cable transmission capacity, high land utilization rate, high power supply reliability and the like. Along with the improvement of the number of cables and the voltage grade, the construction scale of the cable tunnel is continuously increased, the importance of fireproof blocking of the tunnel fireproof partition is also increased day by day, and particularly, the fireproof partition in the cable tunnel working well needs to ensure that a cable line is normally laid and meet the requirement of fireproof timeliness.
The cable tunnel working well fireproof partition generally adopts a form of building a fireproof wall by combining bricks and cement mortar. When the cable tunnel body is built, the fireproof separation is built, but due to the fact that planning and building time sequences of cable lines in the tunnel are different, laying time of cables of various voltage classes in the tunnel is different. The masonry of the firewall brings great difficulty to cable laying, the firewall is often required to be pushed down to be rebuilt, the construction efficiency of a cable line is reduced, and great resource waste is caused.
Therefore, it is necessary to develop a cable tunnel working well fireproof partition which can improve the cable line construction efficiency and save resources.
Disclosure of Invention
The utility model aims to provide a recyclable cable tunnel working well fireproof partition, which realizes simple disassembly and restoration of the fireproof partition during cable laying, improves cable laying efficiency and reduces resource waste.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a reuse's cable tunnel working well fire prevention is separated which characterized in that: the recycled cable tunnel working well is fireproof and separated and is attached to the cross section of the working well, and the shape of the recycled cable tunnel working well is consistent with that of the cross section of the working well;
the recycled cable tunnel working well fireproof partition comprises a lintel, a permanent plugging wall body, a recyclable wall body, a ring beam, cable groove box openings, constructional columns and a fireproof door;
the lintel, the constructional column and the ring beam are connected to form a stable stress structure;
the fireproof door is fixed between the constructional column and the lintel;
the permanent plugging wall body is built outside the lintel, the ring beam and the constructional column to form a structural wall;
the permanent blocking wall body is positioned above the fireproof door;
the cable groove box is provided with an opening on the permanent plugging wall body;
the reusable wall body is built among the permanent plugging wall body, the steel construction columns and the ring beams; the recyclable wall body is a cable wall penetrating part.
In the technical scheme, the reusable wall body is built by fire retardant bricks, and a filling structure is arranged between the fire retardant bricks of the reusable wall body and comprises expansion type fireproof sealant and mineral wool.
In the technical scheme, the constructional column is arranged in the working well;
the constructional column is connected with the side face of the wall body of the working well through the tie bars, and the longitudinal bars of the constructional column are anchored into the upper top plate and the lower bottom plate of the working well.
In above-mentioned technical scheme, the column body reinforcing bar is reserved in the constructional column setting, the column body reinforcing bar and the pre-buried reinforcing bar welded connection of working well of constructional column.
In the technical scheme, the ring beam is connected with the constructional column, and the ring beam penetrates through the whole length of the working well fire-proof partition.
In the technical scheme, the width of the lintel is equal to the thickness of the recycled cable tunnel working well fireproof partition.
Compared with the prior art, the utility model has the following advantages:
(1) the disassembly and rebuilding process of the brick fireproof partition of the conventional cable tunnel working well is optimized, the reusability of the fireproof partition is improved, and the resource waste is reduced;
(2) the utility model adopts the form of permanently plugging the wall body and combining the constructional column, the ring beam and the lintel, thereby not only meeting the fireproof aging requirement of the fireproof partition of the cable tunnel working well, but also meeting the structural strength and the earthquake resistance requirement of the fireproof partition of the cable tunnel working well;
(3) the utility model can improve the convenience of laying different cable lines in the cable tunnel working well in the construction period, and is beneficial to the capacity increase and the transformation of a power grid;
(4) the steel structure components are connected in a welding mode, and the connection among the components is concise, convenient to operate and easy to implement.
The recyclable cable tunnel working well is fireproof and separated, the recyclable wall body can be simply disassembled and reassembled, the different cable laying difficulties in the period of building the underground cable tunnel are reduced, the engineering construction efficiency is improved, the cable laying form and position can be freely selected, and the recyclable cable tunnel working well has high practicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-lintel, 2-permanent blocking wall, 3-reusable wall, 4-ring beam, 5-cable trough box opening, 6-constructional column, 7-fireproof door and 8-working well.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the utility model will be clear and readily understood by the description.
With reference to the accompanying drawings: a recycled cable tunnel working well fireproof partition is attached to the cross section of a working well and the shape of the recycled cable tunnel working well fireproof partition is consistent with the shape of the cross section of a working well 8;
the recyclable cable tunnel working well fireproof partition comprises a lintel 1, a permanent plugging wall body 2, a recyclable wall body 3, a ring beam 4, a cable groove box opening 5, a constructional column 6 and a fireproof door 7;
the lintel 1, the constructional column 6 and the ring beam 4 are connected to form a stable stress structure;
the fireproof door 7 is fixed between the construction column 6 and the lintel 1;
the permanent plugging wall body 2 is built outside the lintel 1, the ring beam 4 and the constructional column 6 to form a structural wall;
the permanent blocking wall body 2 is positioned right above the fireproof door 7;
the cable groove box opening 5 is arranged on the permanent plugging wall body 2;
the reusable wall body 3 is built among the permanent plugging wall body 2, the steel construction column 6 and the ring beam 4; the recyclable wall body 3 is a cable wall penetrating part.
Furthermore, the recyclable wall 3 is built by adopting fire retardant bricks, and a filling structure is arranged between the fire retardant bricks of the recyclable wall 3 and comprises an expansion type fireproof sealant and mineral wool; the recyclable wall body is built by adopting fire-retardant bricks, expansion type fireproof sealant, mineral wool and the like are coated among the fire-retardant bricks for bonding and filling, and the recyclable wall body is convenient to disassemble so as to meet the requirement of subsequent cable laying.
Furthermore, the permanent blocking wall firewall is a masonry wall, and M10 cement mortar is used for building MU20 autoclaved sand-lime bricks.
Further, the constructional columns 6 are arranged at the joints of corners and T-shaped parts of partition walls of the working well 8, the wall length is 4000mm, and two sides of all door and window openings are formed; the constructional column is cast in place by C25 concrete, and 4 reinforcing steel bars with the diameter of 12mm are longitudinally matched; the stirrup is phi 6@ 200.
The constructional column 6 is connected with the side face of the wall body of the working well 8 through the tie bars, and the longitudinal bars of the constructional column 6 are anchored into the upper top plate and the lower bottom plate of the working well 8.
Furthermore, a reserved column body steel bar is arranged on the constructional column 6, and the column body steel bar of the constructional column 6 is welded and connected with the embedded steel bar of the working well; and 4 HRB400 steel bars with the diameter of 12mm are reserved at the constructional column part, and the column body steel bars and the embedded steel bars are welded and lengthened in the later construction of the constructional column.
Furthermore, interfaces, joints, hole grooves of concealed pipelines and hole corners of the permanent blocking wall, constructional columns and the frame beams made of different materials are reinforced by polymer cement mortar reinforced glass fiber alkali-resistant mesh cloth.
Furthermore, the ring beam 4 is connected with the constructional column 6, the ring beam 4 penetrates through the whole fireproof separation length of the working well 8, the section height is 200mm, the thickness is equal to the fireproof separation thickness, 4 phi 12 steel bars are longitudinally arranged, the hoop reinforcement adopts phi 6@200, and the concrete is C25.
Further, when the ring beams are not closed on the same level, an additional ring beam is additionally arranged, and the lap joint length of the additional ring beam is not less than 2 times of the vertical height of the ring beam and is not less than 1000 mm.
Furthermore, the steel bar concrete column and the wall connected with the ring beam and the lintel are embedded with inserted bars at the corresponding positions of the longitudinal steel bars of the ring beam and the lintel, anchored into the column and the wall for not less than 35d, extended out of the column and the wall for not less than 700mm, and lapped with the steel bars of the ring beam and the lintel.
Further, the lintel is reinforced concrete material, load grade 3 level, 1 width of lintel equals with the separated thickness of reuse's cable tunnel working well fire prevention.
Furthermore, the permanent plugging wall body 2 is provided with a cable groove box penetrating through a firewall hole (namely a cable groove box opening 5), and is plugged by a fireproof coating plate with the thickness of 60mm, and an elastic fireproof sealing glue is used for sealing the edge between the fireproof coating plate and the wall hole.
The steel members are welded, and the size of a welding seam is not less than 6 mm.
When the utility model is actually used, before the cable passes through the firewall for plugging construction, the expansion type fireproof sealant and mineral wool on the reusable wall body 3 are removed as required, then the fire-retardant brick is disassembled and moved down according to the cable wall-passing position, and the disassembled fire-retardant brick is backfilled after the cable passes through the wall; mineral wool is stuffed in gaps between the fire-retardant bricks and the cable to serve as backing materials, expansion type fireproof sealant is coated on the backing materials, and the gaps are smoothed before surface hardening.
This embodiment is under the prerequisite that satisfies cable tunnel working well divided fire prevention ageing requirement, and convenience when having improved the cable laying implementation alleviates the loaded down with trivial details condition that cable tunnel working well leads to because of cable run lays the fire prevention wall and pushes down, rebuild, has also reduced the wasting of resources simultaneously, has higher practicality.
Other parts not described belong to the prior art.
Claims (6)
1. The utility model provides a reuse's cable tunnel working well fire prevention is separated which characterized in that: the recycled cable tunnel working well is fireproof and separated and is attached to the cross section of the working well, and the shape of the working well is consistent with that of the cross section of the working well (8);
the recyclable cable tunnel working well fireproof partition comprises a lintel (1), a permanent blocking wall body (2), a recyclable wall body (3), a ring beam (4), a cable groove box opening (5), a constructional column (6) and a fireproof door (7);
the lintel (1), the constructional column (6) and the ring beam (4) are connected to form a stable stress structure;
the fireproof door (7) is fixed between the constructional column (6) and the lintel (1);
the permanent plugging wall body (2) is built outside the lintel (1), the ring beam (4) and the constructional column (6) to form a structural wall;
the permanent blocking wall body (2) is positioned above the fireproof door (7);
the cable groove box opening (5) is arranged on the permanent plugging wall body (2);
the reusable wall body (3) is built among the permanent plugging wall body (2), the steel construction column (6) and the ring beam (4); the recyclable wall body (3) is a cable wall penetrating part.
2. The recycled cable tunnel working well fire barrier of claim 1, wherein: the recyclable wall body (3) is built through fire retardant bricks, a filling structure is arranged between the fire retardant bricks of the recyclable wall body (3), and the filling structure comprises expansion type fireproof sealant and mineral wool.
3. The recycled cable tunnel working well fire barrier of claim 2, wherein: the construction column (6) is arranged in a working well (8);
the constructional column (6) is connected with the side face of the wall body of the working well (8) through a lacing wire, and longitudinal ribs of the constructional column (6) are anchored into an upper top plate and a lower bottom plate of the working well (8).
4. The recycled cable tunnel working well fire barrier of claim 3, wherein: constructional column (6) set up and reserve the shaft reinforcing bar, the shaft reinforcing bar and the pre-buried reinforcing bar welded connection of working well of constructional column (6).
5. The recycled cable tunnel working well fire barrier of claim 4, wherein: the ring beam (4) is connected with the constructional column (6), and the ring beam (4) penetrates through along the fire-proof separation full length of the working well (8).
6. The recycled cable tunnel working well fire barrier of claim 5, wherein: the width of the lintel (1) is equal to the thickness of the recycled cable tunnel working well fireproof partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311835.0U CN215633140U (en) | 2021-06-11 | 2021-06-11 | Recyclable cable tunnel working well fireproof partition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121311835.0U CN215633140U (en) | 2021-06-11 | 2021-06-11 | Recyclable cable tunnel working well fireproof partition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633140U true CN215633140U (en) | 2022-01-25 |
Family
ID=79942964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121311835.0U Active CN215633140U (en) | 2021-06-11 | 2021-06-11 | Recyclable cable tunnel working well fireproof partition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633140U (en) |
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2021
- 2021-06-11 CN CN202121311835.0U patent/CN215633140U/en active Active
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