Fabricated concrete composite tower tube segment and preparation method

Abstract

The invention provides an assembly type concrete composite tower tube segment and a preparation method, the assembly type concrete composite tower tube segment comprises side plates located on the two sides and end plates located at the upper end and the lower end, the side plates and the end plates are made of carbon steel, and the side plates and the end plates are fixedly connected; circumferential connecting holes for circumferential connection are formed in the side plates; at least two sets of horizontal ribs are arranged between the side plates on the two sides, the two sets of horizontal ribs are located at the positions close to the arc-shaped inner edge and the arc-shaped outer edge of the duct piece respectively, and a plurality of the two sets of horizontal ribs are arranged in the height direction of the duct piece. At least two sets of vertical ribs are arranged between the end plates at the two ends, the two sets of vertical ribs are located at the positions close to the arc-shaped inner edge and the arc-shaped outer edge of the duct piece respectively, and a plurality of the two sets of vertical ribs are arranged along the arc line of the duct piece. The horizontal ribs are fixedly connected with the vertical ribs, and a plurality of groups of stirrups are arranged between the adjacent vertical ribs; and the rest part is concrete. An external frame structure is adopted, the precision of the duct piece is ensured, and the tensile strength and the torsional strength of the duct piece are improved by adopting the structure that the reinforcing mesh is solidified inside.

Description

Technical Field

[0001] The present invention relates to the field of composite tower barrel segments of wind turbines, and particularly to a prefabricated concrete composite tower barrel segment and a preparation method thereof. Background Art

[0002] With the increasing global demand for clean energy, wind power generation, as an important renewable energy power generation method, has been widely used. It is calculated that the height of the wind turbine tower barrel is relatively related to the power generation. In the central region, when the tower barrel height is increased from 100 meters to 140 meters, the annual power generation can increase by more than 15%. To economically increase the tower barrel height, the structure of a prefabricated concrete composite tower barrel has been proposed in the prior art. The structure of the prefabricated concrete composite tower barrel adopts segmental prefabricated construction. In each segment, it is divided into multiple segments, and each segment is fixedly connected circumferentially by bent bolts, and the bent bolts are arranged inside the circumferential connection holes. The segments are connected by bonding, and prestressed anchor cables are also provided along the axis of the entire concrete composite tower barrel. The single size of the segment is relatively large, and the large segment diameter reaches more than 10 meters, while the assembly accuracy requirement reaches ±1mm, and the preparation difficulty is extremely high. With the increase in extreme weather conditions, there are weather conditions where the wind speed far exceeds the designed wind speed, and the increase in the tower height leads to an increase in the wind speed, which greatly increases the requirements for the strength of the segment, especially the tensile and torsional strength, which further increases the preparation difficulty of the segment. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a prefabricated concrete composite tower barrel segment that can improve the accuracy of the segment and enhance the strength of the segment, especially the tensile and torsional strength.

[0004] Another technical problem to be solved by the present invention is to provide a preparation method for a prefabricated concrete composite tower barrel segment, which can ensure the accuracy of the segment, ensure the tensile and torsional strength of the segment, and enable the segment to avoid the influence of thermal expansion and contraction caused by temperature changes on the dimensional accuracy.

[0005] To solve the above technical problems, the technical solution of the present invention is: a prefabricated concrete composite tower barrel segment, including side plates on both sides and end plates at the upper and lower ends. The side plates and the end plates are made of carbon steel, and the side plates and the end plates are fixedly connected; Circumferential connection holes for circumferential connection are provided on the side plates; At least two groups of horizontal ribs are provided between the side plates on both sides. The two groups of horizontal ribs are respectively located at positions close to the inner and outer edges of the arc of the segment, and the two groups of horizontal ribs are arranged in multiple rows along the height direction of the segment; At least two groups of vertical ribs are provided between the end plates at both ends. The two groups of vertical ribs are respectively located at positions close to the inner and outer edges of the arc of the segment, and the two groups of vertical ribs are arranged in multiple rows along the arc of the segment; The horizontal reinforcement bars and the vertical reinforcement bars are fixedly connected, and multiple groups of stirrups are arranged between adjacent vertical reinforcement bars; The remaining part is concrete.

[0006] In a preferred embodiment, positioning and strengthening ribs are arranged between adjacent side plates and end plates for fixedly connecting the side plates and the end plates.

[0007] In a preferred embodiment, screw holes are provided on the side plates for passing through bent bolts; The side plates are fixedly connected to the connection box. The connection box has a top surface, a bottom surface and two side surfaces, and the two surfaces facing the side plates and the bottom formwork surface are open; Multiple cushion blocks are arranged on the horizontal reinforcement bars; A bending structure is provided at the end of the horizontal reinforcement bar; A bending structure is provided at the end of the vertical reinforcement bar; Multiple dowel pins are provided on the inner side of the side plates.

[0008] In a preferred embodiment, a pressing plate is fixedly provided at the end of the horizontal reinforcement bar, and the pressing plate is fixedly connected to the side plate.

[0009] In a preferred embodiment, the stirrups are arranged staggeredly between adjacent vertical reinforcement bars.

[0010] A preparation method for the precast concrete composite tower barrel segment as described above includes the following steps: S1. Set up the bottom formwork. The bottom formwork is arranged horizontally, and support seats are provided at the bottom of the bottom formwork. Side formworks and side molds are provided on the bottom formwork. Based on the side formwork at the bottom, position and shape accuracies of the remaining side formworks and side molds are positioned; S2. Place the side plates relying on the side molds, and fixedly connect the side molds and the side plates with C-clamps; Place the end plates relying on the side formworks, and fixedly connect the side formworks and the end plates with C-clamps; After detecting that the outer wall position accuracies of the side plates and the end plates meet the standards, fixedly connect the adjacent side plates and end plates with positioning and strengthening ribs, and then weld the joints between the side plates and the end plates; S3. Install the horizontal reinforcement bars, vertical reinforcement bars and stirrups, and install the connection box. The connection box is fixedly connected to the side plates, and a sealing structure is formed between the connection box and the bottom formwork surface; S4. First install the top formwork close to the side molds, pour the concrete at the positions covered by the top formwork, and vibrate it sufficiently; Continue to install the top formwork from both sides to the middle, pour the concrete at the positions covered by the top formwork, and vibrate it sufficiently; S5. Cure with steam until the concrete reaches final set; The preparation of the segment is achieved through the above steps.

[0011] Preferably, in step S1: The side mold is slidably arranged between the edge molds. Side mold bases are provided at both ends of the side mold, and edge mold bases are provided at both ends of the two edge molds. The side mold base and the edge mold base are connected by side mold screws, and the side mold screws are used to precisely adjust the position of the side mold.

[0012] Preferably, in step S2: The bottom mold includes a bottom mold surface, and a bottom mold grille is provided on the back of the bottom mold surface; The top mold includes a top mold surface, and a top mold grille is provided on the back of the top mold surface; A plurality of isothermal plates are fittingly arranged at the positions of the bottom mold surface and the top mold surface. A second liquid passage pipe is provided inside the isothermal plate, and the second liquid passage pipe is connected to a connecting hose through a joint. The connecting hose is used to connect to a device for supplying liquid and adjusting temperature; A plurality of temperature sensors are also provided on the mold; Or temperature sensors are provided at the inlet and outlet of the liquid passage pipe; It is set that the temperature is kept consistent with the temperature during on-site installation.

[0013] Preferably, in step S3: A bending structure is provided at the end of the horizontal reinforcement, and the horizontal reinforcement is welded to the side plate through the bending structure; A pressing plate is also provided at the welding position, and the pressing plate is welded to the bending structure and the side plate; A plurality of cushion blocks are provided on the horizontal reinforcement or the vertical reinforcement; A bending structure is provided at the end of the vertical reinforcement, and the bending structure is welded to the end plate; A pressing plate is provided at the welding position of the vertical reinforcement, and the pressing plate is welded to the bending structure and the end plate; Pins are also provided on the inner walls of the side plate and the end plate; The stirrups are arranged alternately between adjacent vertical reinforcements.

[0014] In the preferred solution, after installing the horizontal reinforcement, vertical reinforcement and stirrups, loosen the C-type clamp, re-check the position accuracy of the outer walls of the side plate and the end plate, and proceed to the next step after meeting the preset value; If the position accuracy exceeds the preset value, remove the internal stress by flame heating, and then perform shape and position correction until the position accuracy meets the standard; The cast concrete uses cement above C55 or UHPC.

[0015] The precast concrete composite tower barrel segment and preparation method provided by the present invention have the following beneficial effects compared with the prior art: 1. The present invention adopts an external frame structure to ensure the accuracy of the segment, and adopts an internal consolidated steel bar mesh structure to improve the tensile and torsional strength of the segment, so that the concrete composite tower barrel assembled with the segment can cope with more extreme weather changes.

[0016] 2. The preparation method of the present invention can ensure the compactness of concrete during the pouring process and the uniformity along the height direction by adopting a horizontal casting mold.

[0017] 3. By controlling the temperature during the preparation of the mold to be consistent with the temperature during construction, the preparation method of the present invention enables the finished segment to have the same thermal expansion and contraction as the temperature conditions at the installation and construction location, ensuring that the installation accuracy reaches ±1 mm.

[0018] 4. The present invention adopts the steps of first positioning the external frame and then installing the steel reinforcement cage, and the scheme of bending and fixedly connecting the ends of the steel bars. Combining the structure of pins and pressure plates can ensure both the accuracy and provide higher tensile strength and torsional strength for the segment by the steel bars, thereby ensuring the overall strength of the segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the drawings and embodiments: Figure 1 It is a cross-sectional schematic view of the segment of the present invention.

[0020] Figure 2 It is a top view schematic diagram of the mold of the present invention.

[0021] Figure 3 It is a front view schematic diagram of the mold of the present invention.

[0022] Figure 4 It is a front view schematic diagram of another preferred structure of the mold of the present invention.

[0023] Figure 5 It is a front view schematic diagram of the steel bar layout structure of the segment of the present invention.

[0024] Figure 6 It is a schematic diagram of the connection structure between the stirrup and the vertical bar of the present invention.

[0025] Figure 7 It is a schematic diagram of the fixing structure between the side plate and the end plate and the mold of the present invention.

[0026] In the figure: segment 1, circumferential connection hole 101, bent bolt 102, connection box 103, screw hole 104, side plate 105, pressure plate 106, pin 107, end plate 108, horizontal bar 109, vertical bar 110, stirrup 111, spacer 112, positioning reinforcement 113, C-shaped clamp 114, segment mold 2, side mold 201, side mold base 202, side mold screw 203, edge mold base 204, bottom mold 205, edge mold 206, positioning step 207, top mold 21, top mold surface 208, top mold grid 209, top mold screw 210, bottom mold surface 211, bottom mold grid 212, support seat 213, isothermal plate 3, heat conduction plate 31, liquid pipe 32, insulation layer 33, joint 34, connecting hose 35, first liquid pipe 4. Detailed implementation mode

[0027] Example 1: As shown in Figs. Figure 1 , 5 , and Fig. 7, a prefabricated concrete composite tower barrel segment includes side plates 105 on both sides and end plates 108 at the upper and lower ends. The side plates 105 and the end plates 108 are made of carbon steel, and the side plates 105 and the end plates 108 are fixedly connected to each other; Circumferential connection holes 101 for circumferential connection are provided on the side plates 105; the circumferential connection holes 101 are used to penetrate bent bolts 102 to connect adjacent segments 1 together.

[0028] As shown in Fig. Figure 5 , at least two groups of horizontal ribs 109 are provided between the side plates 105 on both sides. The two groups of horizontal ribs 109 are respectively located at positions close to the inner and outer edges of the arc of the segment 1, and the two groups of horizontal ribs 109 are arranged in multiple rows along the height direction of the segment 1; At least two groups of vertical ribs 110 are provided between the end plates 108 at both ends. The two groups of vertical ribs 110 are respectively located at positions close to the inner and outer edges of the arc of the segment 1, and the two groups of vertical ribs 110 are arranged in multiple rows along the arc of the segment 1; As shown in Fig. Figure 5 , the horizontal ribs 109 and the vertical ribs 110 are fixedly connected to each other, and multiple groups of stirrups 111 are provided between adjacent vertical ribs 110; preferably, as shown in Fig. Figure 6 , the stirrups 111 are arranged staggeredly between adjacent vertical ribs 110.

[0029] The rest is concrete.

[0030] Preferably, as shown in Fig. Figure 7 , positioning and strengthening ribs 113 are provided between adjacent side plates 105 and end plates 108 for fixedly connecting the side plates 105 and the end plates 108.

[0031] Preferably, as shown in Fig. Figure 1 , screw holes 104 are provided on the side plates 105 for passing through the bent bolts 102; The side plates 105 are fixedly connected to the connection box 103. The connection box 103 has a top surface, a bottom surface and two side surfaces, and the two surfaces facing the side plates 105 and the bottom die surface 211 are open; A plurality of cushion blocks 112 are provided on the horizontal ribs 109; the cushion blocks 112 are sleeved on the horizontal ribs 109 so that there is a distance between the horizontal ribs 109 and the edge of the concrete.

[0032] A bending structure is provided at the end of the horizontal rib 109; A bending structure is provided at the end of the vertical rib 110; the bending structure is used for better welding connection with the side plates 105 and the end plates 108.

[0033] On the inner side of the side plate 105, a plurality of pins 107 are provided. The pins 107 are provided with enlarged heads. The pins 107 are used to form a tighter bond with the concrete.

[0034] In a preferred embodiment, a pressing plate 106 is fixedly provided at the end of the horizontal reinforcement 109. The pressing plate 106 is fixedly connected to the side plate 105. The pressing plate 106 is used to make the end of the horizontal reinforcement 109 be welded to the side plate 105 more tightly, further improving the stress strength of the side plate 105.

[0035] Embodiment 2: A preparation method of the prefabricated concrete composite tower barrel segment as described above includes the following steps: S1. Set the bottom mold 205. The upper surface of the bottom mold 205 is arc-shaped. The bottom mold 205 is horizontally arranged. A support base 213 is provided at the bottom of the bottom mold 205. Side molds 206 and side forms 201 are provided on the bottom mold 205. Taking the side mold 206 at the bottom as a reference, position the position and shape accuracy of the remaining side molds 206 and side forms 201; Preferably, the side mold 206 is fixedly connected to the bottom mold 205 by welding. The side form 201 is slidably connected to the bottom mold 205 and the side mold 206 with adjustable position and fixed. As Figure 2 shown in.

[0036] Preferably, in step S1: The side form 201 is slidably arranged between the side molds 206. Side mold bases 202 are provided at both ends of the side form 201. Side mold bases 204 are provided at both ends of the two side molds 206. The side mold bases 202 and the side mold bases 204 are connected by side mold screws 203. The side mold screws 203 are used to accurately adjust the position of the side form 201. With this structure, it is convenient to accurately adjust the distance between the side forms 201, and further accurately control the distance between the side plates 105.

[0037] S2. Place the side plate 105 relying on the side form 201, and fixedly connect the side form 201 and the side plate 105 with a C-shaped clamp 114 to achieve precise positioning; Place the end plate 108 relying on the side mold 206, and fixedly connect the side mold 206 and the end plate 108 with a C-shaped clamp 114; After detecting that the position accuracy of the outer walls of the side plate 105 and the end plate 108 meets the standard, fixedly connect the adjacent side plates 105 and the end plate 108 with positioning reinforcing bars 113, and then weld the joints between the side plates 105 and the end plate 108; Preferably, in step S2: The bottom mold 205 includes a bottom mold surface 211, and a bottom mold grid 212 is provided on the back of the bottom mold surface 211; The top mold 21 includes a top mold surface 208, and a top mold grid 209 is provided on the back of the top mold surface 208; A plurality of isothermal plates 3 are disposed in a fitting manner at the positions of the bottom die surface 211 and the top die surface 208. A second liquid passage pipe 32 is provided inside the isothermal plate 3. The second liquid passage pipe 32 is connected to a connecting hose 35 through a joint 34. The connecting hose 35 is used to connect to a device for supplying liquid and regulating temperature; In an alternative embodiment, a first liquid passage pipe 4 is provided in the top die (21) and the bottom die (205). The first liquid passage pipe 4 is used to connect to a device for supplying liquid and regulating temperature, for regulating temperature.

[0038] A plurality of temperature sensors are further provided on the mold; Or temperature sensors are provided at the inlet and outlet of the liquid passage pipe; It is set that the temperature during construction is kept consistent with the temperature during installation at the construction site. By keeping the preparation temperature consistent with the temperature during installation at the construction site, the influence caused by thermal expansion and contraction can be avoided to the greatest extent. Through measurement, a temperature difference of 30 °C can cause a telescopic range of about 15 mm for a 19-meter component. And the dimensional error of the present invention needs to be controlled within ±1 mm. Therefore, it is very important to avoid the influence of thermal expansion and contraction.

[0039] S3. Install the horizontal bars 109, vertical bars 110 and stirrups 111, install the connection box 103. The connection box 103 is fixedly connected to the side plate 105, and a sealing structure is formed between the connection box 103 and the bottom die surface 211; Preferably, in step S3: a bending structure is provided at the end of the horizontal bar 109, and the horizontal bar 109 is welded to the side plate 105 through the bending structure; A pressing plate 106 is further provided at the welding position. The pressing plate 106 is welded to the bending structure and the side plate 105; A plurality of spacer blocks 112 are provided on the horizontal bar 109 or the vertical bar 110; A bending structure is provided at the end of the vertical bar 110, and the bending structure is welded to the end plate 108; A pressing plate is provided at the welding position of the vertical bar 110. The pressing plate is welded to the bending structure and the end plate 108; Pin studs 107 are further provided on the inner walls of the side plate 105 and the end plate 108; The stirrups 111 are arranged alternately between adjacent vertical bars 110.

[0040] In a preferred embodiment, after installing the horizontal bars 109, vertical bars 110 and stirrups 111, loosen the C-shaped clamp 114, re-check the position accuracy of the outer walls of the side plate 105 and the end plate 108, and proceed to the next step after meeting the preset value; If the position accuracy exceeds the preset value, remove the internal stress by means of flame heating, and then perform shape and position correction until the position accuracy meets the standard; The concrete for pouring uses cement above C55 or UHPC.

[0041] S4. First, install the top formwork 21 close to the side formwork 201, pour the concrete at the position covered by the top formwork 21, and vibrate it thoroughly. Continue to install the top formwork 21 from both sides to the middle, pour the concrete at the position covered by the top formwork 21, and vibrate it thoroughly. S5. Cure with steam until the concrete reaches final setting. The preparation of the segment 1 is achieved through the above steps.

[0042] The above embodiments are only the preferred technical solutions of the present invention and should not be regarded as limitations on the present invention. The embodiments and features in the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, the equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An assembled concrete composite tower tube segment, characterized by: It comprises side plates (105) located at both sides and end plates (108) located at upper and lower ends, the side plates (105) and the end plates (108) are made of carbon steel, and the side plates (105) and the end plates (108) are fixedly connected; A circumferential connection hole (101) for circumferential connection is provided on the side plate (105); At least two groups of horizontal ribs (109) are provided between the side plates (105) on both sides, the two groups of horizontal ribs (109) are respectively located near the inner edge and the outer edge of the arc of the tube segment (1), and the two groups of horizontal ribs (109) are arranged in a plurality along the height direction of the tube segment (1); At least two groups of vertical ribs (110) are provided between the end plates (108) at both ends, the two groups of vertical ribs (110) are respectively located near the inner edge and the outer edge of the arc of the tube segment (1), and the two groups of vertical ribs (110) are arranged in a plurality along the arc of the tube segment (1); The horizontal reinforcement (109) and the vertical reinforcement (110) are fixedly connected, and a plurality of groups of stirrups (111) are provided between adjacent vertical reinforcements (110); The remainder is concrete.

2. The assembled concrete composite tower tube segment according to claim 1 is characterized in that: Positioning reinforcement ribs (113) are provided between adjacent side plates (105) and end plates (108) for fixedly connecting the side plates (105) and the end plates (108).

3. The assembled concrete composite tower tube segment according to claim 1 or 2 is characterized in that: The side plate (105) is provided with a screw hole (104) for passing the bent bolt (102); The side plate (105) is fixedly connected to the connection box (103); the connection box (103) is provided with a top surface, a bottom surface and two side surfaces, and is open toward the side plate (105) and the bottom mold surface (211); A plurality of cushion blocks (112) are provided on the horizontal ribs (109); A bending structure is provided at the end of the horizontal rib (109); A bending structure is provided at the end of the vertical rib (110); A plurality of pins (107) are provided on the inner side of the side plate (105).

4. The assembled concrete composite tower tube segment according to claim 3 is characterized in that: A pressing plate (106) is fixedly provided at the end of the horizontal rib (109), and the pressing plate (106) is fixedly connected to the side plate (105).

5. The assembled concrete composite tower tube segment according to claim 3 is characterized in that: The stirrups (111) are arranged in a staggered manner between adjacent vertical bars (110).

6. A method for preparing the assembled concrete composite tower tube segment according to any one of claims 1 to 5, characterized in that The following steps are involved: S1, setting a bottom mold (205), the bottom mold (205) is arranged horizontally, a support seat (213) is set at the bottom of the bottom mold (205), a side mold (206) and a side mold (201) are provided on the bottom mold (205), and the position and shape accuracy of the remaining side molds (206) and the side molds (201) are positioned with the side mold (206) located at the bottom as a reference; S2, placing the side plate (105) against the side mold (201), and fixing the side mold (201) and the side plate (105) together with a C-shaped clamp (114); The end plate (108) is placed against the side mold (206), and the side mold (206) and the end plate (108) are fixedly connected by a C-shaped clamp (114); After the outer wall position accuracy of the side plate (105) and the end plate (108) is detected to be up to standard, the adjacent side plates (105) and the end plates (108) are fixedly connected by positioning reinforcement ribs (113), and then the seams between the side plates (105) and the end plates (108) are welded together; S3, installing horizontal ribs (109), vertical ribs (110) and stirrups (111), installing a connection box (103), and fixing the connection box (103) to the side plate (105), so that a sealing structure is formed between the connection box (103) and the bottom mold surface (211); S4, first install the top form (21) close to the side form (201), pour concrete at the position covered by the top form (21), and fully vibrate; Continue to install the top form (21) from both sides to the middle, pour concrete at the position covered by the top form (21), and fully vibrate; S5. Curing with steam until the concrete is finally set; The above steps are used to prepare the tube segment (1).

7. The method for preparing the assembled concrete composite tower tube segment according to claim 6 is characterized in that in step S1: the side mold (201) is slidably arranged between the side molds (206), side mold bases (202) are arranged at both ends of the side molds (201), and side mold bases (204) are arranged at both ends of the two side molds (206), and the side mold bases (202) and the side mold bases (204) are connected by side mold screws (203), and the side mold screws (203) are used to accurately adjust the position of the side mold (201).

8. The method for preparing the assembled concrete composite tower tube segment according to claim 6, characterized in that in step S2: the bottom mold (205) comprises a bottom mold surface (211), and a bottom mold grid (212) is provided on the back of the bottom mold surface (211); The top mold (21) comprises a top mold surface (208), and a top mold grid (209) is provided on the back side of the top mold surface (208); A plurality of isothermal plates (3) are arranged in close contact with each other at positions of the bottom mold surface (211) and the top mold surface (208); a second liquid passage pipe (32) is provided inside the isothermal plate (3); the second liquid passage pipe (32) is connected to a connecting hose (35) via a joint (34); and the connecting hose (35) is used to be connected to a liquid supply and temperature adjustment device; There are also multiple temperature sensors on the mold; Alternatively, temperature sensors are provided at the inlet and outlet of the liquid passage pipe; Set the control temperature to be consistent with the temperature during installation at the construction site.

9. The method for preparing an assembled concrete composite tower tube segment according to claim 6, characterized in that in step S3: a bending structure is provided at the end of the horizontal rib (109), and the horizontal rib (109) is welded to the side plate (105) through the bending structure; A pressing plate (106) is also provided at the welding position, and the pressing plate (106) is welded to the bending structure and the side plate (105); A plurality of pads (112) are provided on the horizontal ribs (109) or the vertical ribs (110); A bending structure is provided at the end of the vertical rib (110), and the bending structure is welded to the end plate (108); A pressing plate is provided at the welding position of the vertical rib (110), and the pressing plate is welded to the bending structure and the end plate (108); Pins (107) are also provided on the inner walls of the side plates (105) and the end plates (108); The stirrups (111) are arranged in a staggered manner between adjacent vertical bars (110).

10. The method for preparing the assembled concrete composite tower tube segment according to claim 9, characterized in that: After installing the horizontal reinforcement (109), the vertical reinforcement (110) and the stirrups (111), the C-type clamp (114) is loosened, and the outer wall position accuracy of the side plate (105) and the end plate (108) is re-checked. When the position accuracy meets the preset value, the next step is performed; If the position accuracy exceeds the preset value, the internal stress is removed by flame heating, and then the shape and position are corrected until the position accuracy meets the standard; The poured concrete shall be made of cement of grade C55 or above or UHPC.

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