WO2023142876A1 - Polygonal tower and construction method therefor - Google Patents

Abstract

Disclosed in the present invention are a polygonal tower and a construction method therefor. The polygonal tower comprises a plurality of tower sections which are stacked and connected in the up-down direction. The tower sections comprise a plurality of prefabricated concrete panels which are arranged in the circumferential direction of the tower sections and are sequentially connected by means of connecting members, and the prefabricated concrete panels are flat panels.

Description

Polygon tower and its construction method

Cross References to Related Applications

This application claims priority to Chinese Patent Application Nos. 202210114103.5 and 202220246625.6 filed in China on January 30, 2022, the entire contents of which are incorporated herein by reference.

technical field

The present disclosure relates to the technical field of towers, in particular, to a polygonal tower and a construction method thereof.

Background technique

The concrete tower in the steel-concrete tower structure has a large height and a large diameter. The direct production process is complicated and the transportation is difficult, and the on-site installation is also extremely difficult. In the related art, the prefabricated concrete C-shaped segment is used, and the C-shaped segment is assembled into an annular tube section on site, and then the multiple tube sections are hoisted to realize the structure of the tower, but the concrete C-shaped segment in the related art is poured The height is large, the pouring precision is low, and the requirements for the mold are high.

Contents of the invention

The present disclosure aims to solve one of the technical problems in the related art at least to a certain extent.

For this reason, the embodiments of the present disclosure propose a polygonal tower, each section of the polygonal tower is composed of a plurality of flat concrete prefabricated slabs, the concrete prefabricated slabs have a small pouring height, high pouring precision, and low requirements on molds.

Embodiments of the present disclosure also propose a method for constructing a polygonal tower.

On the one hand, the polygonal tower in the embodiment of the present disclosure includes a plurality of tube sections, the multiple tube sections are stacked and connected along the vertical direction, the tube section includes a plurality of concrete prefabricated panels, and the plurality of concrete precast panels along the The cylinder sections are arranged in the circumferential direction and connected sequentially by connectors, and the concrete prefabricated slab is a flat plate.

In the tower tube of the embodiment of the present disclosure, the tube section includes a plurality of prefabricated concrete slabs, and the prefabricated concrete slabs are slabs, so that single slab prefabrication can be performed in a horizontal pouring manner, the pouring height can be reduced, the pouring accuracy can be improved, and the requirements for molds can be reduced. and dependencies.

In some embodiments, the concrete prefabricated panel includes a rectangular section and a special-shaped section, one end of the special-shaped section is connected to the rectangular section, and the special-shaped section extends obliquely in a direction away from the rectangular section, adjacent to The special-shaped section of one of the precast concrete slabs is opposite to and connected to the rectangular section of the other precast concrete slab of the adjacent precast concrete slabs.

In some embodiments, the included angle between the lengthwise direction of the rectangular section and the lengthwise direction of the special-shaped section is a, so 90°<a<180°.

In some embodiments, there is an included angle b at the connection between the inner surface of the rectangular section and the inner surface of the special-shaped section, and then 150°<b<160°.

In some embodiments, the plurality of precast concrete slabs include a first type of precast slab and a second type of precast slab, and a plurality of the first type of precast slabs and a plurality of the second type of precast slabs are arranged along the tube section Alternately arranged in the circumferential direction.

In some embodiments, the first type of prefabricated panel is a rectangular panel, the second type of prefabricated panel includes a rectangular section and two special-shaped sections, the rectangular section is connected between the two special-shaped sections, and the The special-shaped segment extends obliquely in a direction away from the rectangular segment.

In some embodiments, the included angle between the lengthwise direction of the rectangular section and the lengthwise direction of the special-shaped section is a, so 90°<a<180°.

In some embodiments, there is an included angle b at the connection between the inner surface of the rectangular section and the inner surface of the special-shaped section, then 150°<b<160°

In some embodiments, two of said profiled segments are symmetrical about said rectangular segment.

In some embodiments, the connection is a threaded connection.

In some embodiments, the barrel section includes eight precast concrete slabs, and the barrel section has an octagonal structure.

On the other hand, the construction method of the polygonal tower in the embodiment of the present disclosure, the polygonal tower is the polygonal tower in the above embodiment, the construction method includes: placing the prefabricated concrete slabs to be assembled according to the preset position Place and connect to complete the construction of a tube section; repeat the above process to complete the construction of multiple tube sections; connect multiple tube sections to form a tower by hoisting.

The construction method of the polygonal tower in the embodiment of the present disclosure can utilize the prefabricated concrete prefabricated slab to construct the polygonal tower on site, and has high construction efficiency and strong practicability.

In some embodiments, the arranging and connecting the precast concrete slabs to be assembled at preset positions includes: applying epoxy structural adhesive on the opposite connecting surfaces of the precast concrete slabs to form an adhesive connection; The adjacent prefabricated concrete slabs are sequentially connected by a piece; the channel through which the connecting piece is passed is grouted.

Description of drawings

Fig. 1 is a schematic structural view of a section of a polygonal tower according to an embodiment of the present disclosure.

Fig. 2 is an enlarged view of the partial structure in Fig. 1 .

Fig. 3 is a schematic structural view of a section of a polygonal tower according to another embodiment of the present disclosure.

Fig. 4 is a schematic structural view of a section of a polygonal tower according to yet another embodiment of the present disclosure.

Reference signs:

Tube section 1, concrete prefabricated panel 11, rectangular section 111, special-shaped section 112, first type precast panel 12, second type precast panel 13, bolt 14, nut 15, metal bellows 16, anchor washer 17, installation hole 18 , Bolt sleeve 19.

Detailed ways

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present disclosure and should not be construed as limiting the present disclosure.

As shown in FIGS. 1-4 , the polygonal tower in the embodiment of the present disclosure includes a plurality of tube sections 1, which are stacked and connected along the up and down direction. The tube section 1 includes a plurality of concrete precast panels 11, and a plurality of concrete The prefabricated panels 11 are arranged along the circumferential direction of the barrel section 1 and connected in sequence by connecting pieces, and the concrete precast panels 11 are flat plates. In some specific embodiments, the polygonal tower includes eight prefabricated concrete panels 11 , and the tube section is an octagonal structure.

In some specific embodiments, as shown in Figures 1-3, taking an octagonal tower as an example, eight prefabricated concrete panels 11 are prefabricated, and the structures of the eight prefabricated concrete panels 11 can be completely the same, or can be partially prefabricated concrete The structure of the plate 11 is the same. In some specific embodiments, depending on the actual working conditions, eight concrete prefabricated panels 11 are arranged in a ring and sequentially connected to form a tube section 1. After the construction of multiple tube sections 1 is completed, the multiple tube sections 1 can be hoisted constitute the tower.

It should be noted that the towers in the related art include ring-shaped towers and polygonal towers, wherein the inventors found that the tube section of the ring-shaped tower usually includes two C-shaped concrete prefabricated slabs, and the concrete prefabricated slabs of this structure are When pouring, vertical pouring is required, and its pouring height is relatively large, resulting in low pouring accuracy, and when the cross-sectional size of the tower tube changes, the pouring mold for the concrete precast slab needs to be redesigned.

The polygonal tower in the related art usually includes two approximately C-shaped concrete prefabricated slabs, and the approximately C-shaped concrete prefabricated slabs also need to be poured vertically when pouring, that is, referring to the pouring of the C-shaped slabs, the approximate C-shaped The vertical pouring of concrete prefabricated slabs also has the problems of large pouring height and low pouring precision, and vertical pouring has high requirements for the precision of molds, and the cost of mold production is high.

In view of the above problems, the present application proposes to use a plurality of flat concrete prefabricated slabs 11 to form the tube section 1. It can be understood that the horizontal pouring can be used for flat plate pouring, the pouring height is low (about 20-50cm), and the pouring accuracy is high. , low requirements on the mold, and when the cross-sectional size of the tower is changed, only the pouring thickness needs to be changed without redesigning the mold, and the veneer pouring has low dependence on the mold.

In the tower tube of the embodiment of the present disclosure, the tube section includes a plurality of prefabricated concrete slabs, and the prefabricated concrete slabs are slabs, so that single slab prefabrication can be performed in a horizontal pouring manner, the pouring height can be reduced, the pouring accuracy can be improved, and the requirements for molds can be reduced. and dependencies.

In some embodiments, as shown in Figure 1 and Figure 4, the structure of a plurality of prefabricated concrete slabs 11 is the same, the prefabricated concrete slab 11 comprises a rectangular section 111 and a special-shaped section 112, and one end of the special-shaped section 112 joins the rectangular section 111, And the special-shaped section 112 extends obliquely along the direction away from the rectangular section 111, the special-shaped section 112 of one concrete precast slab 11 in the adjacent concrete precast slab 11 and the rectangular section 111 of another concrete precast slab 11 in the adjacent concrete precast slab 11 relative and connected. Therefore, the special-shaped section 112 can be used as a connecting transition section, so that the adjacent precast concrete panels 11 can be closely connected, and the gap between adjacent concrete panels can be avoided.

In some specific embodiments, the included angle between the longitudinal direction of the rectangular segment 111 and the longitudinal direction of the special-shaped segment 112 is a, and then 90°<a<180°. In other words, the angle between the length direction of the rectangular section 111 and the length direction of the special-shaped section 112 is an obtuse angle, which avoids a large bend between the special-shaped section 112 and the rectangular section 111 and facilitates slab casting.

In some specific embodiments, as shown in FIG. 2 , there is an included angle b at the connection between the inner surface of the rectangular section 111 and the inner surface of the special-shaped section 112 , then 150°<b<160°. For example, b can be 152°, 155°, 157° or 159°, etc., thus, the transition between the special-shaped section 112 and the rectangular section 111 is smooth, which is convenient for pouring.

In addition, it should be noted that the prefabricated concrete panels 11 may include prefabricated panels of different structures. As shown in FIG. Similar prefabricated panels 12 and multiple second-type precast panels 13 are arranged alternately along the circumferential direction of the barrel section 1 .

In some specific embodiments, as shown in Figure 3, the first type of prefabricated panel 12 is a rectangular panel, the second type of prefabricated panel 13 includes a rectangular section 111 and two special-shaped sections 112, and the rectangular section 111 is connected to the two special-shaped sections 112 between, and the special-shaped segment 112 extends obliquely in a direction away from the rectangular segment 111 . Therefore, the special-shaped section 112 can be used as a connecting transition section, so that adjacent precast concrete slabs 11 can be tightly butted, avoiding gaps between adjacent concrete panels.

In some specific embodiments, the included angle between the longitudinal direction of the rectangular segment 111 and the longitudinal direction of the special-shaped segment 112 is a, and then 90°<a<180°. In other words, the angle between the length direction of the rectangular section 111 and the length direction of the special-shaped section 112 is an obtuse angle, which avoids a large bend between the special-shaped section 112 and the rectangular section 111 and facilitates slab casting.

In some specific embodiments, there is an included angle b at the connection between the inner surface of the rectangular section 111 and the inner surface of the special-shaped section 112 , then 150°<b<160°. For example, b can be 152°, 155°, 157° or 159°, etc., thus, the transition between the special-shaped section 112 and the rectangular section 111 is smooth, which is convenient for pouring.

In some specific embodiments, as shown in FIG. 3 , the shaped section 112 is symmetrical about the rectangular section 111 . Then a plurality of concrete prefabricated panels 11 are connected to form the barrel section 1, which can be assembled without difference and without assembly and positioning.

The construction method of the polygonal tower in the embodiment of the present disclosure, the polygonal tower is the polygonal tower in the above embodiment, and the construction method includes: placing and connecting the prefabricated concrete panels 11 to be assembled according to preset positions to complete a tube section 1 The above process is repeated to complete the construction of multiple tube sections 1, and then the multiple tube sections 1 are connected by hoisting to form a polygonal tower.

The construction method of the polygonal tower in the embodiment of the present disclosure can utilize the prefabricated concrete prefabricated slab to construct the polygonal tower on site, and has high construction efficiency and strong practicability.

In some specific embodiments, placing and connecting the prefabricated concrete slabs 11 to be assembled at preset positions includes: applying epoxy structural adhesive on the opposite connecting surfaces of the prefabricated concrete slabs 11 to form an adhesive connection, and then using the connectors to Adjacent concrete prefabricated panels 11 are connected sequentially, and finally the channel through which the connecting piece passes is grouted.

In some embodiments, the connection is a threaded connection. In some specific embodiments, as shown in FIGS. 1-4 , the concrete prefabricated panels 11 have different structures, and the specific structures and connection methods of the connectors are also different. For example, as shown in Figure 1 and Figure 2, when the structures of the prefabricated concrete panels 11 are the same, the connectors include bolts 14, nuts 15 and bolt sleeves 19, taking two adjacent prefabricated concrete panels 11 as an example, as shown in Figure 2 As shown, the rectangular section 111 of one precast concrete slab 11 pre-embeds the bolt sleeve 19, and the special-shaped section 112 of the other precast concrete slab 11 embeds the metal bellows 16, and the outer surface of the special-shaped section 112 of the precast concrete slab 11 is pre-embedded. The installation hole 18 is left, and the anchor gasket 17 is pre-embedded in the installation hole 18. The anchor gasket 17 and the metal bellows 16 are butted toward the end of the installation hole 18, and the anchor gasket 17 has a grouting hole, and the grouting hole and the metal corrugation The lumen of the pipe 16 is connected, and after the two prefabricated concrete panels 11 are docked, the bolt 14 is passed through the anchor washer 17, the metal bellows 16 and matched with the bolt sleeve 19, and then the nut 15 is screwed on the bolt 14 After tightening the bolt 14, grout the metal bellows 16 through the installation hole 18 and the grouting hole to lock the bolt 14.

In addition, it should be noted that the layout of the connectors is not limited to that shown in FIG. 2. For example, as shown in FIG. An installation hole 18 is reserved on the inner side of the rectangular section 111, and an anchor gasket 17 is pre-embedded in the installation hole 18. The grouting hole, the grouting hole communicates with the lumen of the metal bellows 16, and the special-shaped section 112 of the other concrete prefabricated slab 11 pre-embeds the bolt sleeve 19, then after the two concrete prefabricated slabs 11 are docked, the bolt 14 is passed through the anchor Gasket 17, metal bellows 16 are matched with bolt sleeve 19, then nut 15 is screwed on the bolt 14, after the bolt 14 is tightened, the metal bellows 16 is grouted through the installation hole 18 and the grouting hole to Bolt 14 is locked.

For another example, as shown in Figure 3, the concrete prefabricated slab 11 includes a first type of prefabricated slab 12 and a second type of prefabricated slab 13, taking three adjacent concrete precast slabs 11 as an example, and the three concrete precast slabs 11 include a first One type of prefabricated panel 12 and two second type of prefabricated panels 13, the connecting parts include long bolts 14 and two nuts 15, the special-shaped sections 112 of the two second type of prefabricated panels 13 are pre-embedded metal bellows 16, the first type The prefabricated slab 12 also pre-embeds the metal bellows 16 that runs through the first type of prefabricated slab 12 along its length direction, and the outer sides of the special-shaped sections 112 of the two second type of prefabricated slabs 13 are provided with mounting holes 18, and each mounting hole 18 An anchor gasket 17 with a grouting hole is provided at each place, and the two anchor gaskets 17 correspond to the two ends of the metal bellows 16 in the two special-shaped sections 112 respectively. After the three prefabricated concrete panels 11 are docked, The long bolts 14 pass through three metal bellows 16 in sequence, and then, two nuts 15 are respectively screwed on the two ends of the long bolts 14, and after the long bolts 14 are tightened, they pass through the mounting holes 18 and the grouting holes to the metal corrugated pipes. The pipe 16 is grouted to lock the bolt 14.

In describing the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientations or positional relationships indicated by "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying the referred devices or elements Must be in a particular orientation, constructed, and operate in a particular orientation, and thus should not be construed as limiting on the present disclosure.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this disclosure, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection or a detachable connection, unless otherwise clearly defined and limited. , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present disclosure according to specific situations.

In the present disclosure, unless otherwise clearly stated and limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific examples," or "some examples" mean a specific feature, structure, material, or feature described in connection with the embodiment or example. Features are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present disclosure have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present disclosure, and those skilled in the art can understand the above-mentioned embodiments within the scope of the present disclosure. The embodiments are subject to changes, modifications, substitutions and variations.

Claims (13)

1. A polygonal tower, which is characterized in that it includes a plurality of tube sections, the plurality of tube sections are stacked and connected along the vertical direction, the tube section includes a plurality of concrete prefabricated panels, and the plurality of concrete precast panels along the The cylinder segments are arranged in the circumferential direction and connected sequentially by connecting pieces, and the concrete prefabricated slab is a flat plate.
2. The polygonal tower according to claim 1, wherein the prefabricated concrete slab includes a rectangular section and a special-shaped section, one end of the special-shaped section is connected to the rectangular section, and the special-shaped section is away from the The direction of the rectangular section extends obliquely, and the special-shaped section of one of the adjacent precast concrete slabs is opposite to the rectangular section of the other of the adjacent precast concrete slabs and connect.
3. The polygonal tower according to claim 2, wherein the included angle between the longitudinal direction of the rectangular section and the longitudinal direction of the special-shaped section is a, and then 90°<a<180°.
4. The polygonal tower according to claim 3, characterized in that there is an included angle b at the connection between the inner surface of the rectangular section and the inner surface of the special-shaped section, and then 150°<b<160°.
5. The polygonal tower according to claim 1, wherein the plurality of prefabricated concrete slabs include a first type of prefabricated slab and a second type of prefabricated slab, and a plurality of said first type of prefabricated slabs and a plurality of said second type of prefabricated slabs The two types of prefabricated panels are arranged alternately along the circumference of the barrel section.
6. The polygonal tower according to claim 5, wherein the first type of prefabricated slab is a rectangular slab, the second type of prefabricated slab includes a rectangular section and two special-shaped sections, and the rectangular section is connected between two Between the special-shaped sections, and the special-shaped sections extend obliquely along a direction away from the rectangular section.
7. The polygonal tower according to claim 6, wherein the included angle between the longitudinal direction of the rectangular section and the longitudinal direction of the special-shaped section is a, and then 90°<a<180°.
8. The polygonal tower according to claim 7, characterized in that there is an included angle b at the connection between the inner surface of the rectangular section and the inner surface of the special-shaped section, then 150°<b<160°
9. The polygonal tower according to claim 7, characterized in that, the two shaped sections are symmetrical with respect to the rectangular section.
10. The polygonal tower according to any one of claims 1 to 9, wherein the connecting piece is a threaded connecting piece.
11. The polygonal tower according to any one of claims 1 to 10, wherein the tube section includes eight prefabricated concrete panels, and the tube section has an octagonal structure.
12. A method for constructing a polygonal tower, wherein the polygonal tower is the polygonal tower according to any one of claims 1-11, the construction method comprising:

    Place and connect the prefabricated concrete slabs to be assembled according to the preset position to complete the construction of a tube section;

    Repeating the above process to complete the construction of a plurality of said barrel sections;

    A plurality of the tube sections are connected to form a tower by means of hoisting.
13. The method for constructing a polygonal tower according to claim 12, characterized in that placing and connecting the prefabricated concrete slabs to be assembled at preset positions includes:

    Smearing epoxy structural glue on the opposite connecting surface of the concrete prefabricated slab to form an adhesive connection;

    Connecting the adjacent prefabricated concrete slabs sequentially by means of connectors;

    Grouting is performed on the channel through which the connecting piece passes.

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