WO2023142876A1 - Tour polygonale et son procédé de construction - Google Patents

Tour polygonale et son procédé de construction Download PDF

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Publication number
WO2023142876A1
WO2023142876A1 PCT/CN2022/143582 CN2022143582W WO2023142876A1 WO 2023142876 A1 WO2023142876 A1 WO 2023142876A1 CN 2022143582 W CN2022143582 W CN 2022143582W WO 2023142876 A1 WO2023142876 A1 WO 2023142876A1
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WO
WIPO (PCT)
Prior art keywords
section
prefabricated
special
concrete
shaped
Prior art date
Application number
PCT/CN2022/143582
Other languages
English (en)
Chinese (zh)
Inventor
杨伟
李梦媛
张冰
宋江毅
严勇
陈彬毅
Original Assignee
上海风领新能源有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202220246625.6U external-priority patent/CN217270612U/zh
Priority claimed from CN202210114103.5A external-priority patent/CN114439302A/zh
Application filed by 上海风领新能源有限公司 filed Critical 上海风领新能源有限公司
Publication of WO2023142876A1 publication Critical patent/WO2023142876A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present disclosure relates to the technical field of towers, in particular, to a polygonal tower and a construction method thereof.
  • 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.
  • 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.
  • the present disclosure aims to solve one of the technical problems in the related art at least to a certain extent.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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°.
  • 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°.
  • 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.
  • 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.
  • 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°.
  • angle b 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°
  • two of said profiled segments are symmetrical about said rectangular segment.
  • connection is a threaded connection.
  • the barrel section includes eight precast concrete slabs, and the barrel section has an octagonal structure.
  • the construction method of the polygonal tower in the embodiment of the present disclosure 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the polygonal tower includes eight prefabricated concrete panels 11
  • the tube section is an octagonal structure.
  • FIG. 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.
  • 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.
  • the present application proposes to use a plurality of flat concrete prefabricated slabs 11 to form the tube section 1.
  • 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.
  • 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.
  • 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.
  • 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°.
  • 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.
  • 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°.
  • 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.
  • 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 .
  • 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.
  • 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°.
  • 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.
  • 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°.
  • 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.
  • 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 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.
  • 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.
  • connection is a threaded connection.
  • the concrete prefabricated panels 11 have different structures, and the specific structures and connection methods of the connectors are also different.
  • 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
  • the rectangular section 111 of one precast concrete slab 11 pre-embeds the bolt sleeve 19
  • 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.
  • the layout of the connectors is not limited to that shown in FIG. 2.
  • 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 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.
  • 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.
  • 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.
  • 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.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • 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.
  • “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.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

La présente invention concerne une tour polygonale et son procédé de construction. La tour polygonale comprend une pluralité de sections de tour qui sont empilées et reliées dans la direction haut-bas. Les sections de tour comprennent une pluralité de panneaux en béton préfabriqués qui sont agencés dans la direction circonférentielle des sections de tour et sont reliés séquentiellement au moyen d'éléments de liaison, et les panneaux en béton préfabriqués sont des panneaux plats.
PCT/CN2022/143582 2022-01-30 2022-12-29 Tour polygonale et son procédé de construction WO2023142876A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202220246625.6 2022-01-30
CN202210114103.5 2022-01-30
CN202220246625.6U CN217270612U (zh) 2022-01-30 2022-01-30 多边形塔筒
CN202210114103.5A CN114439302A (zh) 2022-01-30 2022-01-30 多边形塔筒及其构建方法

Publications (1)

Publication Number Publication Date
WO2023142876A1 true WO2023142876A1 (fr) 2023-08-03

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PCT/CN2022/143582 WO2023142876A1 (fr) 2022-01-30 2022-12-29 Tour polygonale et son procédé de construction

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011029965A1 (fr) * 2009-09-09 2011-03-17 Prefabricados Agricolas E Industriales, S. A. Procédé de montage d'un mât préfabriqué de béton d'une éolienne, et structure de prémontage des segments de ce mât
CN108104567A (zh) * 2017-11-06 2018-06-01 北京金风科创风电设备有限公司 混凝土塔筒纵缝连接结构、方法、片体的预制方法及混凝土塔筒
CN110434988A (zh) * 2019-07-10 2019-11-12 上海市机电设计研究院有限公司 具有固定转角的多边形塔筒砼预制构件及其可调式模具
CN111287893A (zh) * 2018-12-06 2020-06-16 深圳京创重工特种工程有限公司 预制塔筒段和具有其的塔筒
DE102019124123A1 (de) * 2019-09-09 2021-03-11 Ventur GmbH Turm
CN114439302A (zh) * 2022-01-30 2022-05-06 上海风领新能源有限公司 多边形塔筒及其构建方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011029965A1 (fr) * 2009-09-09 2011-03-17 Prefabricados Agricolas E Industriales, S. A. Procédé de montage d'un mât préfabriqué de béton d'une éolienne, et structure de prémontage des segments de ce mât
CN108104567A (zh) * 2017-11-06 2018-06-01 北京金风科创风电设备有限公司 混凝土塔筒纵缝连接结构、方法、片体的预制方法及混凝土塔筒
CN111287893A (zh) * 2018-12-06 2020-06-16 深圳京创重工特种工程有限公司 预制塔筒段和具有其的塔筒
CN110434988A (zh) * 2019-07-10 2019-11-12 上海市机电设计研究院有限公司 具有固定转角的多边形塔筒砼预制构件及其可调式模具
DE102019124123A1 (de) * 2019-09-09 2021-03-11 Ventur GmbH Turm
CN114439302A (zh) * 2022-01-30 2022-05-06 上海风领新能源有限公司 多边形塔筒及其构建方法

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