CN210768013U - Frame thin-wall type concrete cooling tower shell - Google Patents
Frame thin-wall type concrete cooling tower shell Download PDFInfo
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- CN210768013U CN210768013U CN201921243727.7U CN201921243727U CN210768013U CN 210768013 U CN210768013 U CN 210768013U CN 201921243727 U CN201921243727 U CN 201921243727U CN 210768013 U CN210768013 U CN 210768013U
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Abstract
The frame thin-wall concrete cooling tower shell is a cooling tower assembly type construction method in the prior art, the assembly difficulty of a precast slab is large, and the product comprises the following components: the upper part of the foundation is connected with a tower wall, the upper part of the tower wall is connected with a top hoop, the tower wall adopts a frame structure, a stress member of the frame structure comprises a horizontal annular concrete beam and hyperbolic concrete columns connected with the horizontal annular concrete beam, the hyperbolic concrete columns are hyperbolic concrete columns, thin-wall hyperbolic precast slabs are arranged between the hyperbolic concrete columns, the lower ends of the thin-wall hyperbolic precast slabs are located on the horizontal annular concrete beam, the horizontal direction of the thin-wall hyperbolic precast slabs are connected with the hyperbolic concrete columns or the thin-wall hyperbolic concrete columns after being horizontally connected, the upper ends of the thin-wall hyperbolic precast slabs support the upper annular concrete beam, the curved surfaces of the thin-wall precast slabs are part of the surfaces of the hyperbolic concrete beams, the hyperbolic concrete columns and the horizontal annular concrete beams jointly form a concrete net, and the concrete net embedded with the thin-wall hyperbolic precast slabs forms the outer wall of the cooling tower. The product is used for cooling tower shells.
Description
The technical field is as follows:
the utility model relates to a cooling tower, in particular to a frame thin-wall concrete cooling tower and a construction method thereof.
Background art:
the traditional construction method of the cooling tower is a reverse mould construction method, main work is required to be completed at high altitude, and the construction period is relatively long due to the fact that the diameter and the height are large and the high altitude construction difficulty coefficient is high. The high-altitude operation is dangerous, personnel with professional qualification and abundant high-altitude operation experience are required, so that a relatively high-end construction team is difficult to construct in a short time, and the labor cost is correspondingly increased. At present, the existing research on the assembly type construction method of the cooling tower has the defects that the assembly difficulty of a prefabricated slab is high, and the mechanical property of partial nodes of the whole building structure is not ideal. The utility model discloses a frame thin wall formula concrete cooling tower aims at improving the lagging situation of the difficult period of construction that the cooling tower has for a long time with more excellent mechanical structure and building mode.
The invention content is as follows:
the utility model aims at providing a frame thin wall formula concrete cooling tower, and the construction method of this cooling tower thereof.
The purpose of the utility model is realized like this:
a frame thin-wall concrete cooling tower shell comprises: the upper part of the foundation is connected with a tower wall, the upper part of the tower wall is connected with a top hoop, the tower wall adopts a frame structure, a stress member of the frame structure comprises a horizontal annular concrete beam and a hyperbolic concrete column connected with the horizontal annular concrete beam, the hyperbolic concrete column is a concrete column in a hyperbolic concrete generatrix shape, thin-wall hyperboloid precast slabs are arranged between the hyperbolic concrete columns, the lower ends of the thin-wall hyperboloid precast slabs are located on the horizontal annular concrete beam, the horizontal direction of the thin-wall hyperboloid precast slabs is connected with the hyperbolic concrete column, or the thin-wall hyperboloid precast slabs are connected with the hyperbolic concrete column after being horizontally connected, the upper ends of the thin-wall hyperboloid precast slabs support the annular concrete beam at the upper part, and the curved surface of the thin-wall hyperboloid precast slabs is a part of the hyperboloid surface, the hyperbolic concrete column and the horizontal annular concrete beam jointly form a concrete net, and the concrete net embedded with the thin-wall hyperboloid precast slab forms the outer wall of the cooling tower.
The thin-wall hyperboloid precast slab is fixedly connected with a hyperbola concrete column and/or a horizontal annular concrete beam in a welding connection mode, a bolt connection mode or a bonding connection mode between pre-embedded connecting pieces, or a welding connection mode, a bolt connection mode or a bonding connection mode between the pre-embedded connecting pieces, and the pre-embedded connecting pieces are force transmission connecting pieces.
The thin-wall concrete cooling tower shell is characterized in that concrete column template connecting holes are formed in the hyperbolic concrete columns, concrete beam template connecting holes are formed in the end portions of the thin-wall hyperboloid precast slabs, reinforcing steel meshes are distributed in the thin-wall hyperboloid precast slabs, the reinforcing steel meshes extend out of the upper ends of the thin-wall hyperboloid precast slabs, grout passing grooves are formed in the lower ends of the thin-wall hyperboloid precast slabs, grouting holes are formed in the side faces of the lower ends of the thin-wall hyperboloid precast slabs, mounting seams are formed between the left end and the right end of the thin-wall hyperboloid precast slabs and the hyperbolic concrete columns, the mounting seams are used as assembly gaps during mounting, and are used as connecting and pouring cavities after mounting to carry out sealing connection.
The upper part of the thin-wall double-curved-surface precast slab is provided with a workbench connecting hole; the concrete beam and the concrete column on the inner wall of the cooling tower are raised inwards, and a frame with a concave-convex grid structure is formed inside the cooling tower together with the thin-wall hyperboloid prefabricated slab.
The frame thin-wall concrete cooling tower shell is characterized in that a heat insulation layer is arranged on the inner side of the tower wall, and the heat insulation layer is solidified heat-resistant concrete on the inner side of the precast slab.
The thin-wall double-curved-surface precast slab is arranged on the outer side of the frame thin-wall concrete cooling tower shell and is additionally provided with a heat insulation layer.
Advantageous effects
1. The traditional construction method of the existing cooling tower comprises a reverse mould construction method, and the cooling tower can be continuously built upwards only when the bottom layer completely reaches the hardening strength; the diameter and the height of the cooling tower are large, so that the high-altitude construction difficulty coefficient is high; the total area of the reverse formwork is large, a large amount of labor and time are consumed for erecting the formwork, and the small formwork is not easy to manage in a construction site due to accumulation; the cooling tower shell is of a hyperboloid structure, the templates need to be adjusted and calibrated continuously according to different diameters in the supporting process, and the difficulty in supporting the templates is high. The utility model discloses the frame thin wall is concrete cooling tower belongs to assembled frame construction, make the prefabricated plate in the construction of basis or any one deck, do not have construction preparation phase and latency, and most work is accomplished on ground, thin wall hyperboloid prefabricated plate is prefabricated in batches by the mill or is makeed on the scene ground, the prefabricated plate quality can be effectual monitoring before the installation, the field management degree of difficulty reduces, building quality is more controllable, prefabricated plate total area ratio tradition turns over mould template total area and has reduced about 80%, and reduced artifical high altitude construction risk, accelerate the construction progress, and the cost is saved.
2. In the current research on the assembly type cooling tower building, the prefabricated plates are main stressed components in the building, the connection parts are formed by inserting and casting concrete by reinforcing steel bars extending from the stressed components during assembly, the connection parts are weak points of stress, and the mechanical structure of the whole building is not ideal. The utility model discloses a frame thin wall formula concrete cooling tower adopts frame rack construction, thin-wall hyperboloid prefabricated plate curved surface is the partly on hyperboloid surface, concrete column and concrete beam constitute the concrete net of frustum shape jointly, thin-wall hyperboloid prefabricated plate is only as biography power component, thin-wall hyperboloid prefabricated plate and bearing frame combination atress, cooling tower major structure's stability has had very big improvement than the assembled cooling tower with the prefabricated plate as main atress component, anti-wind anti-seismic performance is better.
3. The utility model discloses a frame thin wall formula concrete cooling tower main part is frame construction, cast-in-place horizontal concrete beam to cast-in-place concrete column on the basis of concrete beam, the lower extreme of thin-wall hyperboloid prefabricated plate is located on horizontal concrete beam, prefabricated plate horizontal direction and concrete column connection, the component each other for supporting in the work progress, after the bottom building is accomplished, the concrete column and the thin-wall hyperboloid prefabricated plate of bottom continue to make superstructure as bearing structure, save a large amount of fixed and support work, accelerate the construction progress, the building atress structure is more reasonable.
4. Based on the research on the existing assembly type cooling tower construction method, the periphery of a prefabricated plate of the cooling tower needs to be provided with extended reinforcing steel bars for left-right connection and up-down connection of the prefabricated plate, and field tests show that the positioning and inserting difficulty of the prefabricated plate is very high due to the wrong reinforcing steel bars, so that the supporting and high-altitude hoisting during construction have high operation difficulty, and the technical requirements on constructors are high. The utility model discloses a frame thin wall formula concrete cooling tower, the prefabricated plate left and right sides and the lower part all do not have the reinforcing bar that stretches out, when the construction, make the concrete column earlier, with the concrete beam of lower part as braced frame, install thin-walled hyperboloid prefabricated plate afterwards, the pre-buried connecting piece of concrete column left and right sides, when installing thin-walled hyperboloid prefabricated plate, the prefabricated plate is located on the concrete beam, the prefabricated plate both sides then through the pre-buried connecting piece connection of concrete column both sides fixed can, this kind of building structure more adapts to the manpower resources condition of building trade, do not need too high precision, it is more simple and convenient to prefabricate and.
5. The utility model discloses well thin wall hyperboloid prefabricated plate in distribution reinforcing bar net to the reinforcing bar net stretches out at the upper end thin wall hyperboloid prefabricated plate, pour as an organic wholely with the reinforcing bar net of horizontal concrete beam, make the whole frame construction integration of thin wall hyperboloid prefabricated plate and cooling tower.
6. Traditional cooling tower outer wall is thicker, and outer wall weight is big, causes the waste of material, the utility model discloses thin wall hyperboloid prefabricated plate, the cooling tower outer wall of making is thinner, and thinner outer wall has alleviateed the holistic weight of cooling tower, and save material has effectively improved the building progress again, and the little outer wall of dead weight is thin moreover, can promote spatial structure's optimization, is used for the concrete column of cooling tower, the optimization of concrete beam with bigger space, makes the whole mechanics structure of cooling tower more stable.
7. The utility model discloses a thin-wall hyperboloid prefabricated plate's of frame thin-wall concrete cooling tower main part tip has concrete beam template connecting hole, and the upper portion of thin-wall hyperboloid prefabricated plate has the workstation connecting hole, and when the concrete beam was pour in the site operation, the concrete beam template directly to receive the template connecting hole on can, the workstation can be to receiving the workstation connecting hole on to the workman is under construction.
8. The utility model discloses a thin wall hyperboloid prefabricated plate of frame thin wall formula concrete cooling tower main part has the erection joint between both ends and the concrete column about, uses as the fit-up gap when the installation, and the prefabricated plate has certain activity space during the construction, assembles more nimble portably, pours the chamber as connecting after the installation, carries out sealing connection.
9. The utility model discloses a concrete beam and concrete column of frame thin wall formula concrete cooling tower inner wall are protruding to inside, form the frame of unsmooth net structural formula inside the cooling tower with thin-wall hyperboloid prefabricated plate jointly, and the air that gets into in the cooling tower easily forms the vortex form under the grid structure effect, more is favorable to reaching the cooling effect.
10. The utility model discloses a cooling tower outer wall inboard has high temperature resistant insulating layer, can prevent that the heat conduction of inside smog from reducing the concrete strength to concrete cylinder wall to inboard high temperature insulating layer and prefabricated plate structure as an organic whole can reduce the construction process in whole hoist and mount in the construction for construction speed.
11. And heat insulation connecting pieces are arranged between the upper and lower prefabricated plates and between the prefabricated plate heat insulation layers on the left and right adjacent sides, so that the prefabricated plate heat insulation structure can be used as a pouring template while the continuity of the heat insulation layers is maintained. And lining plate connecting plates are arranged between the lining plates of the upper layer and the lower layer and between the lining plates of the left side and the right side, which are adjacent, so that the lining plates of the two prefabricated plates are effectively connected.
12. The tower wall of the concrete cooling tower adopts a frame assembly type structure, and the upper part of the tower wall is connected with the top hoop, so that the expansive force of high-heat gas in the cooling tower can be resisted, and the structure at the top of the cooling tower is firmer.
Description of the drawings:
fig. 1 is a schematic view of a frame thin-wall concrete cooling tower shell of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 4 is an enlarged schematic view of a portion b of fig. 3.
Figure 5 is a schematic view of the connection of the thin-wall hyperboloid precast slab, the concrete beam and the concrete column.
Fig. 6 is an enlarged schematic view of B-B of fig. 5.
Fig. 7 is a schematic cross-sectional view of fig. 5 taken along line C-C.
Fig. 8 is an enlarged view of the part c of fig. 7 (a view of connecting the thin-walled hyperboloid precast slabs and the concrete beam).
FIG. 9 is a schematic view of a thin-walled double-curved sheet member.
Fig. 10 is a schematic cross-sectional view of fig. 9 taken along line D-D.
Fig. 11 is an enlarged schematic view of a portion d of fig. 10.
FIG. 12 is a construction state diagram of a cooling tower taking a twenty-fourth layer of thin-wall hyperboloid precast slabs as an example before being installed.
Fig. 13 is an enlarged schematic view of section e of fig. 12.
FIG. 14 is a construction state diagram of a cooling tower in which a twenty-fourth layer thin-wall hyperboloid precast slab is installed and finished.
Fig. 15 is an enlarged schematic view of part f of fig. 14.
Fig. 16 is an enlarged schematic view of the portion g of fig. 14.
Figure 17 is a construction state diagram of the cooling tower before the upper layer of concrete beam and concrete column is poured.
Figure 18 is an enlarged schematic view of the section h of figure 17 (concrete beam form and concrete column form are installed).
Figure 19 is a construction state diagram of the cooling tower with the upper layer of concrete columns poured.
FIG. 20 is a schematic view of the connection between the thin-wall hyperboloid precast slabs and the concrete column after the horizontal connection.
Fig. 21 is a schematic structural view of the frame thin-wall concrete cooling tower of the present invention (concrete beams and concrete columns are convex toward the inside).
Fig. 22 is an enlarged schematic view of section i of fig. 21.
FIG. 23 is a schematic view of the connection structure of the thin-wall hyperboloid precast slab and the concrete beam formwork.
FIG. 24 is a schematic structural diagram of a thin-wall double-curved-surface precast slab with a heat insulation layer on the inner side.
FIG. 25 is a schematic structural diagram of the thin-wall double-curved-surface precast slab with an insulating layer on the outer side.
FIG. 26 is a schematic view of the connection structure of the thin-wall double-curved-surface precast slab and the workbench.
Detailed Description
Example 1:
a frame thin-wall concrete cooling tower shell comprises: the concrete structure comprises a foundation 1, wherein the upper part of the foundation 1 is connected with a tower wall 2, the upper part of the tower wall is connected with a top hoop 3, the tower wall 2 adopts a frame structure, stress members of the frame structure comprise horizontal annular concrete beams 4 and hyperbolic concrete columns 5 connected with the horizontal annular concrete beams 4, the hyperbolic concrete columns 5 are hyperbolic concrete bus-bar-shaped concrete columns 5, thin-wall hyperboloid precast slabs 6 are arranged between the hyperbolic concrete columns 5, the lower ends of the thin-wall hyperboloid precast slabs 6 are located on the horizontal annular concrete beams 4, the horizontal direction of the thin-wall hyperboloid precast slabs 6 is connected with the hyperbolic concrete columns 5, or the thin-wall hyperboloid precast slabs 6 are connected with the hyperbolic concrete columns 5 after being horizontally connected, the upper ends of the thin-wall hyperboloid precast slabs 6 support the upper annular concrete beams 4, and the members are mutually supported in the construction process, after the bottom building is finished, the concrete column and the thin-wall hyperboloid prefabricated slab 6 at the bottom are used as supporting structures, the superstructure is continuously manufactured, the stress structure of the building is more reasonable, auxiliary supporting tools such as inclined-pulling supporting and the like are not needed in site construction, the curved surface of the thin-wall hyperboloid prefabricated slab 6 is a part of the surface of the hyperboloid, the hyperboloid concrete column 5 and the horizontal annular concrete beam 4 jointly form a concrete net, the concrete net embedded with the thin-wall hyperboloid prefabricated slab 6 forms the outer wall of the cooling tower, and the thin-wall hyperboloid prefabricated slab is only used as a force transmission component in the building and does not bear the main load of the building.
Example 2:
in the frame thin-wall concrete cooling tower shell according to embodiment 1, the thin-wall hyperboloid precast slabs 6 are fixedly connected with the hyperbolic concrete column 5 and/or the horizontal annular concrete beam 4 in a welding connection mode, a bolt connection mode or a bonding connection mode among the embedded connection pieces 61, or a bolt connection mode or a bonding connection mode between the embedded connection pieces 61 and the transition piece 62, the embedded connection pieces 61 are all force transmission connection pieces, and the installation speed of the connection mode of the embedded connection pieces is improved by more than 80% compared with the installation speed of a steel bar splicing cast-in-place mode.
Example 3:
in the frame concrete cooling tower shell of embodiment 1 or 2, the hyperbolic concrete column 5 has a concrete column formwork connecting hole 51, the end of the thin-wall hyperboloid precast slab 6 has a concrete beam formwork connecting hole 67, and when the concrete beam 4 and the concrete column 5 are cast in site, the concrete beam formwork 69 and the concrete column formwork 52 are directly connected to the formwork connecting hole.
Example 4:
Example 5:
the frame thin-wall concrete cooling tower shell according to embodiment 1, 2 or 3, wherein the concrete beam 4 is a concrete beam prefabricated in advance, the left end and the right end of the concrete beam are provided with embedded connectors to be connected with the prefabricated concrete beams 4 or hyperbolic concrete columns 5 on two sides, and the top and the bottom of the concrete beam are provided with embedded connectors to be connected with the thin-wall hyperboloid prefabricated slab 6.
Example 6:
in the frame thin-wall concrete cooling tower shell according to embodiment 1, 2, 3, 4, or 5, the steel mesh 63 is distributed in the thin-wall hyperboloid precast slab 6, the steel mesh 63 extends out of the thin-wall hyperboloid precast slab 6 at the upper end, the lower end of the thin-wall hyperboloid precast slab 6 is provided with a grout passing groove 64, the lateral surface of the lower end of the thin-wall hyperboloid precast slab 6 is provided with a grouting hole 65, mounting gaps are formed between the left and right ends of the thin-wall hyperboloid precast slab 6 and the hyperbolic concrete column 5, the mounting gaps are used as assembly gaps when being mounted, and are used as a connecting casting cavity 66 after being mounted for sealing connection.
Example 7:
the frame thin-wall concrete cooling tower shell of embodiment 1 or 2 or 3 or 4 or 5 or 6, wherein the upper part of the thin-wall hyperboloid precast slab is provided with a workbench connecting hole 68, and a workbench 72 is connected to the workbench connecting hole to serve as a worker working platform; the concrete beam 4 and the concrete column 5 on the inner wall of the cooling tower are protruded inwards, a frame with a concave-convex grid structure is formed inside the cooling tower together with the thin-wall hyperboloid prefabricated plate 6, and air entering the cooling tower is easy to form an eddy under the action of the grid structure, so that the cooling effect is better achieved.
Example 8:
the frame thin-wall concrete cooling tower shell in embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7, wherein the inner side of the tower wall is provided with a thermal insulation layer 7, the thermal insulation layer is cured heat-resistant concrete on the inner side of the precast slab, the thermal insulation layer can prevent heat of internal smoke from being conducted to the concrete cylinder wall to reduce the strength of the concrete, and the inner high-temperature thermal insulation layer and the precast slab are in an integrated structure, so that the inner high-temperature thermal insulation layer can be integrally hoisted in construction, construction procedures are reduced, and the construction speed is increased.
Example 9:
the thin-wall concrete cooling tower shell of the framework in the embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, and the thin-wall hyperboloid precast slab 6 positioned at the outer side is added with an insulating layer 71.
Example 10:
the frame thin-wall concrete cooling tower shell in the embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 is characterized in that the upper part of the tower wall is connected with the top hoop 3, the concrete cooling tower wall adopts a frame assembly type structure, and the upper part of the tower wall is connected with the top hoop, so that the expansion force of high-heat gas in the cooling tower can be resisted, and the structure of the top of the cooling tower is firmer.
Example 11:
the method of constructing a frame thin wall concrete cooling tower shell of any one of embodiments 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10, comprising: constructing a reinforced concrete foundation 1, prefabricating a thin-wall hyperboloid prefabricated plate 6, setting the number and the positions of reinforced concrete upright columns on the reinforced concrete foundation 1 according to the stress calculation result, binding upright column reinforcing steel bars, installing templates, and pouring concrete to form concrete columns;
installing thin-wall hyperboloid precast slabs 6 between the hyperboloid concrete columns 5, correcting the positions of the thin-wall hyperboloid precast slabs 6, realizing the fixed connection of the thin-wall hyperboloid precast slabs 6 and the hyperboloid concrete columns 5 in a welding connection mode among pre-embedded connecting pieces 61, a welding connection mode of the pre-embedded connecting pieces 61 and a transition piece 62, or a bolt connection mode or a bonding connection mode, and filling expansion concrete in installation seams between the left and right ends of the thin-wall hyperboloid precast slabs 6 and the concrete columns 5 to form a main body structure of a cooling tower shell;
binding the reinforcing steel bars of the concrete column 5 and the reinforcing steel bars of the concrete beam 4 on the upper layer, fixing concrete column formworks on the front side and the rear side on the concrete column 5 on the lower layer through concrete column formwork connecting holes 51, installing concrete column formworks 52 on the left side and the right side, installing a concrete beam formwork 69 on the end part of the thin-wall hyperboloid precast slab through concrete beam formwork connecting holes 67 to form a pouring space, and pouring concrete to form an integrated hyperbolic concrete column 5, horizontal annular concrete beam 4 and thin-wall hyperboloid precast slab 6 structure;
and repeating the steps after the thin-wall hyperboloid precast slabs 6 are installed between the hyperboloid concrete columns 5 until the top of the building is reached, and installing the cooling tower top hoop 3.
Example 12:
the method of constructing a frame thin wall concrete cooling tower shell of any one of embodiments 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10, comprising: constructing a reinforced concrete foundation 1, prefabricating a thin-wall hyperboloid prefabricated plate 6 and prefabricating a hyperbola concrete column 5, setting the number and the positions of reinforced concrete upright columns on the reinforced concrete foundation 1 according to the stress calculation result, and installing the prefabricated hyperbola concrete column with the upper part provided with the extending reinforcing steel bars;
installing thin-wall hyperboloid precast slabs 6 between the hyperboloid concrete columns 5, correcting the positions of the thin-wall hyperboloid precast slabs 6, realizing the fixed connection of the thin-wall hyperboloid precast slabs 6 and the hyperboloid concrete columns 5 in a welding connection mode among pre-embedded connecting pieces 61, a welding connection mode of the pre-embedded connecting pieces 61 and a transition piece 62, or a bolt connection mode or a bonding connection mode, and filling expansion concrete in installation seams between the left and right ends of the thin-wall hyperboloid precast slabs 6 and the concrete columns 5 to form a main body structure of a cooling tower shell;
binding the reinforcing steel bars of the concrete beam 4 on the upper layer, installing a concrete beam template 69 at the end part of the thin-wall hyperboloid precast slab through a concrete beam template connecting hole 67, forming a pouring space together with the reinforcing steel bars extending out of the upper part of the prefabricated hyperboloid concrete column, and pouring concrete to form an integrated structure of the hyperboloid concrete column 5, the horizontal annular concrete beam 4 and the thin-wall hyperboloid precast slab 6; and the prefabricated hyperbolic concrete column on the upper layer is connected and installed at the position, extending out of the steel bar, of the hyperbolic concrete column on the lower layer.
And repeating the steps after the thin-wall hyperboloid precast slabs 6 are installed between the hyperboloid concrete columns 5 until the top of the building is reached, and installing the cooling tower top hoop 3.
Example 13:
the method of constructing a frame thin wall concrete cooling tower shell of any one of embodiments 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10, comprising: constructing a reinforced concrete foundation 1, prefabricating a thin-wall hyperboloid precast slab 6, prefabricating a hyperboloid concrete column 5 and a precast concrete beam 4, setting the number and the positions of the reinforced concrete columns on the reinforced concrete foundation 1 according to the stress calculation result, and installing the prefabricated hyperboloid concrete column with the extending reinforcing steel bars on the upper part;
installing thin-wall hyperboloid precast slabs 6 between the hyperboloid concrete columns 5, correcting the positions of the thin-wall hyperboloid precast slabs 6, realizing the fixed connection of the thin-wall hyperboloid precast slabs 6 and the hyperboloid concrete columns 5 in a welding connection mode among pre-embedded connecting pieces 61, a welding connection mode of the pre-embedded connecting pieces 61 and a transition piece 62, or a bolt connection mode or a bonding connection mode, and filling expansion concrete in installation seams between the left and right ends of the thin-wall hyperboloid precast slabs 6 and the concrete columns 5 to form a main body structure of a cooling tower shell;
installing a layer of prefabricated concrete beams 4, realizing the mutual connection between the concrete beams through pre-embedded connecting pieces and connecting the concrete beams with a prefabricated hyperbolic concrete column to form an integrated hyperbolic concrete column 5, a horizontal annular concrete beam 4 and a thin-wall hyperbolic precast slab 6 structure; and the prefabricated hyperbolic concrete column on the upper layer is connected and installed at the position, extending out of the steel bar, of the hyperbolic concrete column on the lower layer.
And repeating the steps after the thin-wall hyperboloid precast slabs 6 are installed between the hyperboloid concrete columns 5 until the top of the building is reached, and installing the cooling tower top hoop 3.
Claims (6)
1. A frame thin-wall concrete cooling tower shell comprises: the upper portion of basis connect the tower wall, tower wall upper portion connect the top hoop, characterized by: the tower wall adopts a frame structure, a stress member of the frame structure comprises a horizontal annular concrete beam and a hyperbolic concrete column connected with the horizontal annular concrete beam, the hyperbolic concrete column is a hyperbolic concrete generatrix-shaped concrete column, thin-wall hyperboloid precast slabs are arranged between the hyperbolic concrete columns, the lower ends of the thin-wall hyperboloid precast slabs are located on the horizontal annular concrete beam, the horizontal direction of the thin-wall hyperboloid precast slabs is connected with the hyperbolic concrete column, or the thin-wall hyperboloid precast slabs are connected with the hyperbolic concrete column after being horizontally connected, the upper ends of the thin-wall hyperboloid precast slabs support the annular concrete beam on the upper part, the curved surface of the thin-wall hyperboloid precast slabs is a part of the hyperbolic surface, and the hyperbolic concrete column and the horizontal annular concrete beam jointly form a concrete net, and the concrete net embedded with the thin-wall hyperboloid precast slab forms the outer wall of the cooling tower.
2. The frame, thin walled concrete cooling tower shell of claim 1, wherein: the thin-wall hyperboloid precast slab is fixedly connected with a hyperboloid concrete column and/or a horizontal annular concrete beam in a welding connection mode, a bolt connection mode or a bonding connection mode between the embedded connecting pieces, or a welding connection mode, a bolt connection mode or a bonding connection mode between the embedded connecting pieces, and the embedded connecting pieces are force transmission connecting pieces.
3. The frame, thin walled concrete cooling tower shell according to claim 1 or 2, wherein: the hyperboloid concrete column on have concrete column template connecting hole, the tip of thin-walled hyperboloid prefabricated plate concrete beam template connecting hole has, thin-walled hyperboloid prefabricated plate in distribute the reinforcing bar net, the reinforcing bar net stretch out in the upper end the thin-walled hyperboloid prefabricated plate, the lower extreme of thin-walled hyperboloid prefabricated plate slurry passing groove has, the side of the lower extreme of thin-walled hyperboloid prefabricated plate grouting hole has, thin-walled hyperboloid prefabricated plate about both ends with the hyperboloid concrete column between have a mounting gap, the mounting gap use as the fitting gap during installation, as connecting pouring chamber after the installation, carry out sealing connection.
4. The frame, thin walled concrete cooling tower shell according to claim 1 or 2, wherein: the upper part of the thin-wall double-curved-surface precast slab is provided with a workbench connecting hole; the concrete beam and the concrete column on the inner wall of the cooling tower are raised inwards, and a frame with a concave-convex grid structure is formed inside the cooling tower together with the thin-wall hyperboloid prefabricated slab.
5. The frame, thin walled concrete cooling tower shell according to claim 1 or 2, wherein: the inner side of the tower wall is provided with a heat insulation layer, and the heat insulation layer is solidified heat-resistant concrete on the inner side of the precast slab.
6. The frame, thin walled concrete cooling tower shell according to claim 1 or 2, wherein: and the thin-wall hyperboloid precast slab positioned on the outer side is additionally provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243727.7U CN210768013U (en) | 2019-08-02 | 2019-08-02 | Frame thin-wall type concrete cooling tower shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243727.7U CN210768013U (en) | 2019-08-02 | 2019-08-02 | Frame thin-wall type concrete cooling tower shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210768013U true CN210768013U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243727.7U Expired - Fee Related CN210768013U (en) | 2019-08-02 | 2019-08-02 | Frame thin-wall type concrete cooling tower shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210768013U (en) |
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2019
- 2019-08-02 CN CN201921243727.7U patent/CN210768013U/en not_active Expired - Fee Related
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