Curved surface wood grain bare concrete opposite-pulling formwork system and construction method of curved surface integral type wood grain lining formwork panel

Abstract

The invention discloses a curved-surface wood grain bare concrete opposite-pulling formwork system and a construction method of a curved-surface integral wood grain lining formwork face.The opposite-pulling formwork system comprises at least two horizontally-spliced curved-surface wood grain opposite-pulling formwork units and a formwork sealing unit located on the curved-surface wood grain opposite-pulling formwork unit at the outermost end. And a plurality of fastening units which are longitudinally arranged are connected between two adjacent groups of horizontally spliced curved surface wood grain opposite-pulling template units. According to the method, material waste caused by cracking and fracture can be avoided, wood grain texture deformation is avoided, and the forming precision and quality of the curved surface wood grain bare concrete can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a curved wood grain plain concrete tensioning formwork system and a construction method of a curved integral wood grain lining formwork panel. Background Art

[0002] As a form of architectural art, wood grain concrete is widely used in construction projects. Wood grain concrete is usually spliced ​​with unitized wood grain formwork after deepening the wood grain texture. The unitized wood grain formwork processing and assembly size accuracy requirements are extremely high, and the workload of each assembly and typesetting is large. It also has high requirements for the technical level of the workers. It is suitable for the construction of flat concrete. However, when constructing curved wood grain concrete for cylindrical and other curved buildings, the curvature of the unitized wood grain formwork is too large. On the one hand, the unitized wood grain formwork is difficult to bend, the splicing gap is large, and the splicing efficiency is low. On the other hand, the unitized wood grain formwork is prone to cracking or breaking after bending, resulting in serious material waste. On the other hand, the density of the wood grain texture on the unitized wood grain formwork changes after bending, which affects the molding accuracy and quality of the curved surface wood grain concrete. Summary of the invention

[0003] The purpose of the present invention is to provide a curved wood grain plain concrete tensioning formwork system and a construction method for a curved integral wood grain lining formwork panel, so as to solve the problems of great bending difficulty, low splicing efficiency, large splicing gap, easy cracking and easy breakage causing serious material waste when unit wood grain formwork is spliced ​​with wood grain plain concrete formwork to construct curved wood grain plain concrete, and affecting the molding accuracy and quality of curved wood grain plain concrete.

[0004] In order to solve the above technical problems, the present invention provides a curved wood grain plain concrete tie template system, comprising: at least two groups of horizontally spliced ​​curved wood grain tie template units, a sealing mold unit located on the outermost curved wood grain tie template unit, and a plurality of fastening units connected between two adjacent groups of horizontally spliced ​​curved wood grain tie template units through longitudinal arrangement;

[0005] Each group of the curved wood grain tensioning template units includes two layers of curved integral wood grain lining mold panels arranged in parallel and at intervals, reverse wood grain texture laser-engraved on the inner surface of each layer of the curved integral wood grain lining mold panels, a curved pad lining plate arranged on the outer side on each layer of the curved integral wood grain lining mold panels, multiple vertical keels of the board surface evenly distributed along the outer curved surface of the curved pad lining plate, multiple curved transverse keels perpendicular to the vertical keels of the board surface, and multiple five-section water-stop tensioning bolts evenly distributed and vertically penetrate and connect the curved transverse keels, the board surface vertical keels, the curved pad lining plate, the two layers of the curved integral wood grain lining mold panels, the curved pad lining plate, the board surface vertical keels and the curved transverse keels in sequence;

[0006] The mold sealing unit includes a planar integral wood grain lining mold panel that seals the end surface of the outermost curved wood grain pulling template unit, a planar lining plate, a plurality of planar vertical keels, and a plurality of planar horizontal keels that are sequentially arranged on the outer side, and an oblique fastening bolt that obliquely penetrates and connects between the planar horizontal keels and the curved horizontal keels;

[0007] Each of the fastening units includes a first connecting member arranged between the curved pad plate and the end surface of the curved transverse keel at both ends of the splicing, a splicing bolt passing through the two first connecting members at the splicing, a second connecting member arranged on the end surface of each curved transverse keel at both ends of the splicing, and a horizontal fastening bolt passing through and connected between the two second connecting members at the splicing.

[0008] Furthermore, in the curved wood grain plain concrete tensile formwork system provided by the present invention, the mold sealing unit also includes a third connecting member arranged on the end face of the curved transverse keel of the outermost curved wood grain tensile formwork unit, and a third connecting member arranged on the end face of the plane transverse keel, and the oblique fastening bolt is obliquely penetrated through the third connecting member and connected between the plane transverse keel and the curved transverse keel.

[0009] Furthermore, in the curved wood-grained plain concrete tension formwork system provided by the present invention, the first connecting member is an angle steel or a channel steel, and the two first connecting members at the joint are spliced ​​together.

[0010] Furthermore, in the curved wood-grained plain concrete tension formwork system provided by the present invention, the second connecting member is an angle steel.

[0011] Furthermore, in the curved wood-grained plain concrete tensioning formwork system provided by the present invention, the curved transverse keels at the joints are covered and connected with connecting plates, and pins or bolts are provided through the upper and lower connecting plates.

[0012] Furthermore, in the curved wood grain plain concrete tension formwork system provided by the present invention, the vertical keel of the panel surface is a channel steel, and the curved transverse keel is a double-jointed channel steel sandwiched and welded with an iron block.

[0013] Furthermore, in the curved wood grain plain concrete tension formwork system provided by the present invention, the plane vertical keel is a wooden square, and the plane horizontal keel is a double-jointed channel steel sandwiched and welded with an iron block.

[0014] Furthermore, in the curved wood grain plain concrete tensile formwork system provided by the present invention, in the curved wood grain tensile formwork unit, the curved integral wood grain lining formwork panel is connected to the curved padding plate by self-tapping screws, the curved padding plate is connected to the vertical keel of the board surface by self-tapping screws, and the vertical keel of the board surface is welded to the curved transverse keel.

[0015] Furthermore, the curved wood grain plain concrete tensile formwork system provided by the present invention has waterproof strips at the joints between the flat integral wood grain lining formwork panel and the curved integral wood grain lining formwork panel, and waterproof strips at the joints between the curved integral wood grain lining formwork panels.

[0016] Compared with the prior art, the curved wood grain plain concrete provided by the present invention has the following beneficial effects on the formwork system:

[0017] The curved wood grain tension formwork unit adopts a curved integral wood grain lining formwork panel. By laser engraving the reverse wood grain texture on the inner surface of the curved integral wood grain lining formwork panel, the bending of the wood grain wood board at the construction site, which leads to the problem of difficult bending, easy cracking and easy breakage, resulting in serious waste of materials, is avoided. The reverse wood grain texture is then laser engraved to avoid the problem of deformation of the wood grain texture after the wood grain wood board is bent, thereby improving the molding accuracy and quality of the curved wood grain plain concrete.

[0018] Two adjacent groups of horizontally spliced ​​curved wood grain tensile formwork units are tightened and pulled against each other through multiple fastening units, and the curved lining plates and curved transverse keels on both sides of the splicing are tightened in two steps through horizontal fastening bolts and splicing bolts, so that the curved integral wood grain lining formwork panels connected to the horizontal levels and carved with reflective wood grain texture are tightened by tightening the curved lining plates between the levels, thereby reducing or overcoming the gap of the curved integral wood grain lining formwork panels at the horizontal splicing seams, thereby improving the splicing efficiency and splicing quality, and improving the forming accuracy and quality of the curved wood grain fair-faced concrete at the splicing seams.

[0019] The flat integral wood grain lining formwork panel is tightened by the oblique fastening bolts of the sealing formwork units at the four corners, thereby improving the molding accuracy and quality of the curved wood grain plain concrete end face.

[0020] In order to solve the above technical problems, the present invention also provides a construction method of a curved integral wood grain lining formwork panel, comprising:

[0021] A flexible wood board without wood grain texture is bent according to the inner curvature of the curved wood grain bare concrete, and the wood grain texture is engraved on the inner surface of the bent flexible wood board by three-dimensional laser to form a curved wood grain wood board;

[0022] A flexible wood board without wood grain texture is bent according to the outer curvature of the curved wood grain plain concrete to form a curved wood grain-free wood board;

[0023] A baffle is arranged on the end surfaces of the curved wood grain wood board and the curved wood grain-free wood board to form a mold having a curved integral wood grain lining mold panel-shaped cavity;

[0024] The raw material liquid is poured into the mold, and when the mold filled with the raw material liquid reaches the manufacturing conditions, a curved integral wood grain lining mold panel is formed, the curved integral wood grain lining mold panel mold is removed for demoulding, and the formed curved integral wood grain lining mold panel is taken out.

[0025] Compared with the prior art, the construction method of the curved integral wood grain lining formwork panel provided by the present invention has the following beneficial effects:

[0026] A curved integral wood grain lining mold panel is formed by pouring raw material liquid into a mold with a cavity of a curved integral wood grain lining mold panel formed by bending a flexible wood board and carving wood grain texture, a curved flexible wood board without wood grain texture, and a baffle enclosure. This avoids the problem of easy cracking and breakage caused by bending of wood grain wood boards with deepened wood grain texture in the traditional method, which leads to material waste and safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional model diagram of a cylindrical curved building;

[0028] Figure 2 It is a schematic diagram of the planar structure of the curved wood grain plain concrete tension formwork system;

[0029] Figure 3 It is a schematic diagram of the side cross-sectional structure of the curved wood grain plain concrete tie formwork system;

[0030] Figure 4 It is a structural schematic diagram of the connection nodes between the horizontally spliced ​​curved wood grain tension template units;

[0031] Figure 5 It is a schematic diagram of the structure of the pin;

[0032] Figure 6 It is a schematic diagram of the planar structure of the positive corner node of the curved wood grain plain concrete tension formwork system;

[0033] As shown in the figure:

[0034] 100. Curved wood grain plain concrete tension formwork system;

[0035] 110. Curved wood grain tension formwork unit, 111. Curved integral wood grain lining formwork panel, 112. Curved pad liner, 113. Vertical keel on the board surface, 114. Curved horizontal keel, 115. Five-section water-stop tension bolts, 116. Self-tapping screws, 117. Water-stop rubber strips;

[0036] 120. mold sealing unit, 121. plane integral wood grain lining mold panel, 122. plane lining plate, 123. plane vertical keel, 124. plane horizontal keel, 125. oblique fastening bolts, 126. third connecting member;

[0037] 130. Fastening unit, 131. First connecting member, 132. Splicing bolt, 133. Second connecting member, 134. Horizontal fastening bolt, 135. Connecting plate, 136. Pin. DETAILED DESCRIPTION

[0038] The present invention is described in detail below in conjunction with the accompanying drawings: The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0039] Embodiment 1

[0040] Embodiment 1 of the present invention provides a construction method of a curved integral wood grain lining formwork panel, which may include the following steps:

[0041] Step S201, a flexible wood board without wood grain texture is bent according to the inner curvature of the curved wood grain plain concrete, and wood grain texture is engraved on the inner surface of the bent flexible wood board by three-dimensional laser to form a curved wood grain wood board.

[0042] Step S202, using a flexible wood board without wood grain texture to bend according to the outer curvature of the curved wood grain plain concrete to form a curved wood board without wood grain texture. The order of step S201 and step S202 can be interchanged.

[0043] Step S203, baffles are arranged on the end surfaces of the curved wood grain wooden board and the curved wood grain-free wooden board to form a mold having a curved integral wood grain lining mold panel-shaped cavity.

[0044] Step S204, pouring raw material liquid into the mold, forming a curved integral wood grain lining mold panel after the mold filled with the raw material liquid reaches the manufacturing conditions, removing the curved integral wood grain lining mold panel mold for demoulding, and taking out the formed curved integral wood grain lining mold panel. The raw material liquid can be wood pulp, and the curved integral wood grain lining mold panel formed at this time is a wood board structure, and the raw material liquid can also be a polymer flexible material of polyurethane elastomer, and the curved integral wood grain lining mold panel formed at this time is a polymer structure.

[0045] The construction method of the curved integral wood grain lining mold panel provided in the first embodiment of the present invention is to form a curved integral wood grain lining mold panel by pouring raw material liquid into a mold having a curved integral wood grain lining mold panel cavity formed by carving wood grain texture on a flexible wood board after bending, a curved flexible wood board without wood grain texture and a baffle enclosure, thereby avoiding the problem of easy cracking and breaking of the wood grain wood board with deepened wood grain texture in the traditional method, resulting in material waste and safety risks. The curved integral wood grain lining mold panel can be used cyclically.

[0046] Embodiment 2

[0047] Please refer to Figures 1 to 6 Embodiment 2 of the present invention provides a curved wood grain plain concrete formwork system 100, comprising: at least two groups of horizontally spliced ​​curved wood grain formwork units 110, a sealing mold unit 120 located on the outermost curved wood grain formwork units 110, and a plurality of fastening units 130 connected between two adjacent groups of horizontally spliced ​​curved wood grain formwork units 110 through longitudinal arrangement.

[0048] Please refer to Figure 1 to Figure 2 Each set of curved wood grain tensioning template units 110 includes two layers of curved integral wood grain lining mold panels 111 arranged in parallel and at intervals, reverse wood grain texture laser-engraved on the inner surface of each layer of the curved integral wood grain lining mold panels 111, a curved surface pad 112 arranged on the outer side of each layer of the curved integral wood grain lining mold panels 111, a plurality of board surface vertical keels 113 evenly distributed along the outer curved surface of the curved surface pad 112, a plurality of curved surface transverse keels 114 perpendicular to the board surface vertical keels 113, and a plurality of five-section water-stop tensioning bolts 115 evenly distributed on the curved surface transverse keels 114, the board surface vertical keels 113, the curved surface pad 112, the two layers of the curved integral wood grain lining mold panels 111, the curved surface pad 112, the board surface vertical keels 113 and the curved surface transverse keels 114. The five-section water-stop tension bolts 115 can improve the water-stop effect.

[0049] Please refer to Figure 1 and Figure 3, wherein the mold sealing unit 120 includes a plane integral wood grain lining mold panel 121 which is sealed and arranged on the end surface of the outermost curved wood grain lining template unit 110, and a plane lining plate 122, a plurality of plane vertical keels 123 and a plurality of plane horizontal keels 124 which are sequentially arranged on the outer side thereof, and an oblique fastening bolt 125 which obliquely penetrates and connects between the plane horizontal keel 124 and the curved horizontal keel 114. The plane integral wood grain lining mold panel 121 is sealed and connected to the end surface of the outermost curved wood grain lining template unit 110 by the oblique fastening bolt 125. The mold sealing unit 120 is four groups at four corners, each group is a plurality of vertically arranged ones, wherein the plane integral wood grain lining mold panel 121 can be a plane template without wood grain texture. In order to improve the fastening effect of the sealing mold unit 120, the sealing mold unit 120 also includes a third connecting member 126 arranged on the end surface of the curved transverse keel 114 of the outermost curved wood grain tension template unit 110, and a third connecting member 126 arranged on the end surface of the plane transverse keel 124, and the oblique fastening bolt 125 is obliquely penetrated and connected between the plane transverse keel 124 and the curved transverse keel 114 through the third connecting member 126. The third connecting member 126 can be an angle steel, etc. In order to improve the connection strength, the oblique fastening bolt 125 uses a high-strength bolt.

[0050] Please refer to Figure 2 and Figure 4 , wherein the fastening unit 130 includes a first connecting member 131 disposed between the end surfaces of the curved surface lining plate 112 and the curved surface transverse keel 114 at both ends of the splicing, a splicing bolt 132 passing through the two first connecting members 131 at the splicing, a second connecting member 133 disposed on the end surfaces of each curved surface transverse keel 114 at both ends of the splicing, and a horizontal fastening bolt 134 passing through and connected between the two second connecting members 133 at the splicing. The curved integral wood grain lining panel 111 at both ends of the splicing and the curved surface transverse keel 114 at both ends of the splicing are tightened and spliced ​​together by the horizontal fastening bolt 134 and the splicing bolt 132. The first connecting member 131 may be an angle steel or a channel steel, and the two first connecting members 131 at the splicing are spliced ​​together; the first connecting member 131 can make the splicing bolt 132 abut against the vertical surface of the first connecting member 131 for connection, thereby improving the reliability of the connection. The second connecting member 133 may be an angle steel. The second connecting member 133 can improve the tightening effect of the horizontal fastening bolt 134 on the curved transverse keel 114. In order to improve the connection strength, the horizontal fastening bolt 134 is a high-strength bolt.

[0051] The curved wood grain plain concrete tensile formwork system 100 provided in the second embodiment of the present invention, the curved wood grain plain concrete tensile formwork unit 110 adopts a curved integral wood grain lining formwork panel 111, and the reverse wood grain texture is laser engraved on the inner surface of the curved integral wood grain lining formwork panel 111, thereby avoiding the problem of bending of wood grain wooden boards at the construction site, resulting in difficulty in bending, easy cracking, and easy breakage, resulting in serious waste of materials. The reverse wood grain texture is then laser engraved, thereby avoiding the problem of deformation of the wood grain texture after bending of the wood grain wooden boards, thereby improving the molding accuracy and quality of the curved wood grain plain concrete.

[0052] The curved wood grain plain concrete tensile formwork system 100 provided in the second embodiment of the present invention tightens and tensions two adjacent groups of horizontally spliced ​​curved wood grain tensile formwork units 110 through multiple fastening units 130, and tightens the curved padding plates 112 and the curved transverse keels 114 on both sides of the splicing point in two steps through horizontal fastening bolts 134 and splicing bolts 132, so that the curved integral wood grain lining formwork panels 111 between the levels and which are carved with reflective wood grain texture are tightened by tightening the curved padding plates 112 between the levels, thereby reducing or overcoming the gaps of the curved integral wood grain lining formwork panels 111 at the horizontal splicing seams, thereby improving the splicing efficiency and splicing quality, and improving the forming accuracy and quality of the curved wood grain plain concrete at the splicing seams.

[0053] The curved wood grain plain concrete tensile formwork system 100 provided in the second embodiment of the present invention tightens the flat integral wood grain lining formwork panel 121 through the oblique fastening bolts 125 of the sealing formwork units 120 at the four corners, thereby improving the molding accuracy and quality of the curved wood grain plain concrete end surface.

[0054] The curved wood grain plain concrete double-tie formwork system 100 provided in the second embodiment of the present invention can ensure that the horizontal joints of the wood grain plain concrete are flush through the curved pad 112 to prevent leakage; the curved wood grain double-tie formwork units 110 at both ends of the joint are fixed by pins 136 and the assembly bolts 132 penetrate the double-tie first connecting piece 131 to ensure that the vertical joints of the wood grain plain concrete are flush, and the horizontal fastening bolts 134 ensure that the joints are airtight and work together with the water stop strips 117 set at the joint gaps to prevent leakage during the construction of the wood grain plain concrete. The plane horizontal keels 124 of the double-tie channel steel 1141 and the plane vertical keels 123 of the wooden squares set at the four corners of the wall are fixed with prestress using oblique fastening bolts 125 to ensure the rigidity of the corners of the formwork, and the gap between the formwork joints can also be adjusted, and water stop strips 117 are also set between the vertical joints to prevent leakage.

[0055] Please refer to Figure 2 and Figure 4In the curved wood grain plain concrete tensioning formwork system 100 provided in the second embodiment of the present invention, the curved transverse keels 114 at the joints are covered and connected with connecting plates 135, and pins 136 or bolts are provided between the upper and lower connecting plates 135. The reliability of the connection of the curved transverse keels 114 at the joints is improved by the connecting plates 135 and the pins 136 thereon.

[0056] Please refer to Figure 2 and Figure 3 In the curved wood grain plain concrete tensioning formwork system 100 provided in the second embodiment of the present invention, the vertical keel 113 of the panel surface may be a channel steel 1141, and the curved transverse keel 114 may be a double-jointed channel steel 1141 sandwiched with and welded with an iron block 1142. The iron block 1142 can improve the reliability of the welding of the double-jointed channel steel 1141.

[0057] Please refer to Figure 3 and Figure 6 In the curved wood grain plain concrete tension formwork system 100 provided in the second embodiment of the present invention, the plane vertical keel 123 may be a wooden square, and the plane horizontal keel 124 may be a double-jointed channel steel 1141 sandwiched with an iron block 1142 welded thereto.

[0058] Please refer to Figure 3 In order to improve the reliability of the connection between the curved integral wood grain lining formwork panel 111 and the curved surface padding plate 112, the curved surface wood grain plain concrete double-tie formwork system 100 provided in the second embodiment of the present invention, in the curved surface wood grain double-tie formwork unit 110, the curved integral wood grain lining formwork panel 111 and the curved surface padding plate 112 are connected by self-tapping screws 116, the curved surface padding plate 112 and the vertical keel 113 of the board surface are connected by self-tapping screws 116, and the vertical keel 113 of the board surface is welded to the curved transverse keel 114.

[0059] Please refer to Figure 4 and Figure 6 In order to improve the sealing performance, the curved wood grain plain concrete double-tie formwork system 100 provided in the second embodiment of the present invention has a waterproof strip 117 disposed at the joint between the flat integral wood grain lining formwork panel 121 and the curved integral wood grain lining formwork panel 111, and a waterproof strip 117 disposed at the joint between the curved integral wood grain lining formwork panels 111. The waterproof strip 117 can prevent the problem of concrete leakage at the joint.

[0060] The present invention is not limited to the above-mentioned specific implementation modes. Obviously, the above-mentioned embodiments are only some embodiments of the embodiments of the present invention, but not all embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention. Those skilled in the art can make other levels of modifications and changes to the present invention. In this way, if these modifications and changes of the present invention fall within the scope of the claims of the present invention, the present invention is also intended to include these changes and changes.

Claims

1. A curved wood grain plain concrete tension formwork system, characterized in that: include: At least two groups of horizontally spliced ​​curved wood grain template units, a sealing unit located on the outermost curved wood grain template unit, and a plurality of longitudinally arranged fastening units connected between two adjacent groups of horizontally spliced ​​curved wood grain template units; Each group of the curved wood grain tensioning template units includes two layers of curved integral wood grain lining mold panels arranged in parallel and at intervals, reverse wood grain texture laser-engraved on the inner surface of each layer of the curved integral wood grain lining mold panels, a curved pad lining plate arranged on the outer side on each layer of the curved integral wood grain lining mold panels, multiple vertical keels of the board surface evenly distributed along the outer curved surface of the curved pad lining plate, multiple curved transverse keels perpendicular to the vertical keels of the board surface, and multiple five-section water-stop tensioning bolts evenly distributed and vertically penetrate and connect the curved transverse keels, the board surface vertical keels, the curved pad lining plate, the two layers of the curved integral wood grain lining mold panels, the curved pad lining plate, the board surface vertical keels and the curved transverse keels in sequence; The mold sealing unit includes a planar integral wood grain lining mold panel that seals the end surface of the outermost curved wood grain pulling template unit, a planar lining plate, a plurality of planar vertical keels, and a plurality of planar horizontal keels that are sequentially arranged on the outer side, and an oblique fastening bolt that obliquely penetrates and connects between the planar horizontal keels and the curved horizontal keels; Each of the fastening units includes a first connecting member arranged between the curved pad plate and the end surface of the curved transverse keel at both ends of the splicing, a splicing bolt passing through the two first connecting members at the splicing, a second connecting member arranged on the end surface of each curved transverse keel at both ends of the splicing, and a horizontal fastening bolt passing through and connected between the two second connecting members at the splicing.

2. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The sealing mold unit also includes a third connecting member arranged on the end surface of the curved transverse keel of the outermost curved wood grain pulling template unit, and a third connecting member arranged on the end surface of the plane transverse keel. The oblique fastening bolt passes through the third connecting member obliquely and is connected between the plane transverse keel and the curved transverse keel.

3. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The first connecting member is an angle steel or a channel steel, and the two first connecting members at the joint are butt-jointed.

4. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The second connecting member is an angle steel.

5. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The curved transverse keels at the joints are covered and connected with connecting plates, and pins or bolts are provided through the upper and lower connecting plates.

6. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The vertical keel of the plate surface is a channel steel, and the curved transverse keel is a double-jointed channel steel sandwiched and welded with an iron block.

7. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: The plane vertical keel is a wooden square, and the plane horizontal keel is a double-jointed channel steel sandwiched and welded with an iron block.

8. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: In the curved wood grain tensile template unit, the curved integral wood grain lining template panel is connected to the curved padding plate by self-tapping screws, the curved padding plate is connected to the vertical keel of the board surface by self-tapping screws, and the vertical keel of the board surface is welded to the curved transverse keel.

9. The curved wood grain plain concrete tension formwork system according to claim 1, characterized in that: A water-stopping rubber strip is provided at the joint between the flat integral wood-grain lining mold panel and the curved integral wood-grain lining mold panel, and a water-stopping rubber strip is provided at the joint between the curved integral wood-grain lining mold panels.

10. A construction method for a curved integral wood grain lining formwork panel, characterized in that: include: A flexible wood board without wood grain texture is bent according to the inner curvature of the curved wood grain bare concrete, and the wood grain texture is engraved on the inner surface of the bent flexible wood board by three-dimensional laser to form a curved wood grain wood board; A flexible wood board without wood grain texture is bent according to the outer curvature of the curved wood grain plain concrete to form a curved wood grain-free wood board; A baffle is arranged on the end surfaces of the curved wood grain wood board and the curved wood grain-free wood board to form a mold having a curved integral wood grain lining mold panel-shaped cavity; The raw material liquid is poured into the mold, and when the mold filled with the raw material liquid reaches the manufacturing conditions, a curved integral wood grain lining mold panel is formed, the curved integral wood grain lining mold panel mold is removed for demoulding, and the formed curved integral wood grain lining mold panel is taken out.

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