A curved wood grain fair-faced concrete counter-draw formwork system and a construction method of a curved integral wood grain lining formwork panel

Abstract

The application discloses a curved-surface wood grain fair-faced concrete counter-drawing formwork system and a construction method of a curved-surface integral wood grain lining formwork panel, and the counter-drawing formwork system comprises at least two groups of horizontally-spliced curved-surface wood grain counter-drawing formwork units, a sealing unit located on the outermost curved-surface wood grain counter-drawing formwork unit, and a plurality of longitudinal fastening units connected between the adjacent two groups of horizontally-spliced curved-surface wood grain counter-drawing formwork units. The application can avoid material waste caused by cracking and breaking, avoid deformation of wood grain texture, and improve the forming precision and quality of the curved-surface wood grain fair-faced concrete.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a curved wood grain bare concrete counter-pulling formwork system and a construction method of a curved integral wood grain lining formwork panel. BACKGROUND

[0002] Wood grain bare concrete, as a form of architectural art, is widely used in construction engineering. Wood grain bare concrete usually adopts unit wood grain formwork spliced after deepening wood grain texture. The unit wood grain formwork has high requirements for processing and assembling size precision, and has a large amount of work for each assembly layout. The technical level of workers is also very high. It is suitable for the construction of planar bare concrete, but when it comes to the construction of curved wood grain bare concrete of cylindrical and other curved buildings, the curvature of the unit wood grain formwork is too large. On the one hand, the unit wood grain formwork is difficult to bend, has large gaps after splicing, and has low splicing efficiency. On the other hand, the unit 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 unit wood grain formwork changes after bending, affecting the forming precision and quality of the curved bare wood grain concrete. SUMMARY

[0003] The purpose of the present application is to provide a curved wood grain bare concrete counter-pulling formwork system and a construction method of a curved integral wood grain lining formwork panel, to solve the problems of unit wood grain formwork splicing wood grain bare concrete formwork for curved wood grain bare concrete, such as large bending difficulty, low splicing efficiency, large splicing gap, easy cracking, easy breaking, causing serious material waste, and affecting the forming precision and quality of the curved wood grain bare concrete.

[0004] To solve the above technical problems, the present application provides a curved wood grain bare concrete counter-pulling formwork system, comprising: at least two groups of horizontally spliced curved wood grain counter-pulling formwork units, a sealing unit located on the outermost curved wood grain counter-pulling formwork unit, and a plurality of longitudinal fastening units connected between the adjacent two groups of horizontally spliced curved wood grain counter-pulling formwork units.

[0005] Each group of the curved wood grain counter-pulling formwork unit comprises two layers of curved integral wood grain lining formwork panels arranged in parallel and spaced apart, reverse wood grain texture laser-engraved on the inner surfaces of the two layers of curved integral wood grain lining formwork panels, curved gasket plates arranged on the two layers of curved integral wood grain lining formwork panels on the outer side, a plurality of panel vertical keels uniformly distributed along the outer curved surface of the curved gasket plates, a plurality of curved horizontal keels perpendicular between the panel vertical keels, and a plurality of five-section water stop counter-pulling bolts uniformly distributed and sequentially vertically penetrating through the curved horizontal keels, the panel vertical keels, the curved gasket plates, the two layers of curved integral wood grain lining formwork panels, the curved gasket plates, the panel vertical keels and the curved horizontal keels.

[0006] The sealing mold unit comprises a planar integral wood grain lining panel sealing the end face of the outermost end curved wood grain matched mold plate unit, and a planar lining plate, a plurality of planar vertical keels and a plurality of planar horizontal keels arranged outside the planar integral wood grain lining panel in sequence, and a diagonal fastening bolt diagonally penetrating and connecting between the planar horizontal keel and the curved horizontal keel.

[0007] Each of the fastening units comprises a first connecting piece arranged between the end face of the curved lining plate and the curved horizontal keel at both ends of the joint, a joint bolt penetrating and connecting between the two first connecting pieces at the joint, a second connecting piece arranged on the end face of each curved horizontal keel at both ends of the joint, and a horizontal fastening bolt penetrating and connecting between the two second connecting pieces at the joint.

[0008] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application further comprises a third connecting piece arranged on the end face of the curved horizontal keel of the outermost end curved wood grain matched mold plate unit, and a third connecting piece arranged on the end face of the planar horizontal keel, and the diagonal fastening bolt penetrates and connects between the planar horizontal keel and the curved horizontal keel through the third connecting piece.

[0009] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, the first connecting piece is an angle steel or a channel steel, and the two first connecting pieces at the joint are matched in pairs.

[0010] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, the second connecting piece is an angle steel.

[0011] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, the connecting plates are connected between the curved horizontal keels at the joint, and a pin or a bolt is arranged penetratingly between the upper and lower connecting plates.

[0012] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, the planar vertical keel is a channel steel, and the curved horizontal keel is a double-spliced channel steel with an iron block welded and clamped.

[0013] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, the planar vertical keel is a channel steel, and the curved horizontal keel is a double-spliced channel steel with an iron block welded and clamped.

[0014] Further, the curved wood grain exposed concrete matched mold plate system provided by the present application, in the curved wood grain matched mold plate unit, the curved integral wood grain lining panel and the curved lining plate are connected through self-tapping screws, the curved lining plate and the planar vertical keel are connected through self-tapping screws, and the planar vertical keel and the curved horizontal keel are welded.

[0015] Further, the curved wood grain bare concrete formwork system provided by the present application is characterized in that a waterproof rubber strip is arranged at the joint between the planar integral wood grain formwork panel and the curved integral wood grain formwork panel.

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

[0017] The curved wood grain formwork unit adopts the curved integral wood grain formwork panel, and the reverse wood grain texture is laser-engraved on the inner surface of the curved integral wood grain formwork panel, so that the problem of great bending difficulty, easy cracking and easy breaking of the wood grain board caused by bending of the wood grain board on the construction site is avoided, and the problem of deformation of the wood grain texture caused by bending of the wood grain board is avoided, thereby improving the forming precision and quality of the curved wood grain bare concrete.

[0018] The two adjacent groups of horizontally jointed curved wood grain formwork units are pulled tightly by the multiple fastening units, the curved gasket plate and the curved transverse keel on both sides of the joint are pulled tightly by the horizontal fastening bolt and the joint bolt, the horizontally jointed curved integral wood grain formwork panels connected by the curved gasket plate are pulled tightly, the gap of the curved integral wood grain formwork panel at the horizontal joint is reduced or overcome, and the forming precision and quality of the curved wood grain bare concrete at the joint are improved.

[0019] The planar integral wood grain formwork panel is pulled tightly by the diagonal fastening bolt of the sealing unit at the four corners, and the forming precision and quality of the end surface of the curved wood grain bare concrete are improved.

[0020] To solve the above technical problems, the present application further provides a construction method of the curved integral wood grain formwork panel, comprising:

[0021] The flexible wood board without wood grain texture is bent according to the inner curvature of the curved wood grain bare concrete, the wood grain texture is three-dimensionally laser-engraved on the inner surface of the bent flexible wood board, and the curved wood grain board is formed.

[0022] The flexible wood board without wood grain texture is bent according to the outer curvature of the curved wood grain bare concrete to form the curved wood board without wood grain texture.

[0023] A baffle is arranged at the end surface of the curved wood grain board and the curved wood board without wood grain texture to form a mold with a curved integral wood grain formwork panel cavity.

[0024] Pouring raw material liquid in the mold, forming the curved integral wood grain lining mold panel after the mold filled with raw material liquid reaches the manufacturing condition, removing the curved integral wood grain lining mold panel mold for demolding, and taking out the formed curved integral wood grain lining mold panel.

[0025] Compared with the prior art, the construction method of the curved integral wood grain lining mold panel has the following beneficial effects:

[0026] Pouring raw material liquid in the mold formed by the curved flexible wood board with wood grain texture, the curved flexible wood board without wood grain texture, and the baffle surrounding box to form a mold with a curved integral wood grain lining mold panel shape cavity, forming the curved integral wood grain lining mold panel, which avoids the problem of material waste and safety risk caused by the cracking and breaking of the wood grain wood board with deepened wood grain texture during bending in the traditional way. BRIEF DESCRIPTION OF DRAWINGS

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

[0028] Figure 2 is a planar structure schematic diagram of the curved wood grain exposed concrete draw template system;

[0029] Figure 3 is a side view cross-sectional structure schematic diagram of the curved wood grain exposed concrete draw template system;

[0030] Figure 4 is a structure schematic diagram of the connection node between the horizontally spliced curved wood grain draw template units;

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

[0032] Figure 6 is a planar structure schematic diagram of the curved wood grain exposed concrete draw template system external corner node;

[0033] The drawings show:

[0034] 100, curved wood grain exposed concrete draw template system;

[0035] 110, curved wood grain draw template unit, 111, curved integral wood grain lining mold panel, 112, curved gasket plate, 113, plate vertical keel, 114, curved horizontal keel, 115, five-section water stop draw bolt, 116, self-tapping screw, 117, water stop adhesive tape;

[0036] 120, mold sealing unit, 121, planar integral wood grain lining mold panel, 122, planar gasket plate, 123, planar vertical keel, 124, planar horizontal keel, 125, inclined fastening bolt, 126, third connecting piece;

[0037] 130, fastening unit, 131, first connecting piece, 132, splicing bolt, 133, second connecting piece, 134, horizontal fastening bolt, 135, connecting plate, 136, pin. DETAILED DESCRIPTION

[0038] The application will be described in greater detail with reference to the accompanying drawings, in which:

[0039] Embodiment one

[0040] The embodiment one of the application provides a construction method of a curved integral wood grain formwork panel, which can comprise the following steps:

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

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

[0043] Step S203, arranging a baffle on the end surface of the curved wood grain wood board and the curved wood grain-free wood board to form a mold with a curved integral wood grain formwork panel cavity.

[0044] Step S204, pouring raw material liquid in the mold, forming a curved integral wood grain formwork panel after the mold filled with raw material liquid reaches the manufacturing condition, removing the curved integral wood grain formwork panel mold for demolding, and taking out the formed curved integral wood grain formwork panel. The raw material liquid can be wood pulp, and the formed curved integral wood grain formwork panel is a wood board structure. The raw material liquid can also be a high-molecular flexible material of polyurethane elastomer, and the formed curved integral wood grain formwork panel is a high-molecular structure.

[0045] The construction method of the curved integral wood grain formwork panel provided by the embodiment one of the application can form a mold with a curved integral wood grain formwork panel cavity by using the curved flexible wood board formed by engraving a wood grain texture after bending the flexible wood board, the curved flexible wood board without wood grain texture, and the baffle, pour raw material liquid in the mold to form a curved integral wood grain formwork panel, and avoid the problems of easy cracking and breaking of the wood grain wood board with deepened wood grain texture, material waste and safety risks caused by bending the wood grain wood board in the traditional way. The curved integral wood grain formwork panel can be recycled and used.

[0046] Embodiment Two

[0047] For reference Figures 1 to 6 The embodiment two of the present application provides a curved wood grain fair-faced concrete draw plate system 100, comprising: at least two groups of horizontally spliced curved wood grain draw plate units 110, a sealing unit 120 located on the outermost curved wood grain draw plate unit 110, and a plurality of fastening units 130 arranged longitudinally and connected between the adjacent two groups of horizontally spliced curved wood grain draw plate units 110.

[0048] For reference Figures 1 to 2 Each group of curved wood grain draw plate units 110 comprises two layers of curved integral wood grain lining panel 111 arranged in parallel and at intervals, reverse wood grain texture laser-engraved on the inner surface of each layer of curved integral wood grain lining panel 111, curved gasket plate 112 arranged on each layer of curved integral wood grain lining panel 111 on the outer side, a plurality of panel vertical keels 113 uniformly distributed along the outer curved surface of the curved gasket plate 112, a plurality of curved transverse keels 114 perpendicular between the panel vertical keels 113, and a plurality of five-section water-stopping draw bolts 115 uniformly distributed and sequentially vertically penetrating and connected on the curved transverse keels 114, the panel vertical keels 113, the curved gasket plate 112, the two layers of curved integral wood grain lining panel 111, the curved gasket plate 112, the panel vertical keels 113, and the curved transverse keels 114. The five-section water-stopping draw bolts 115 can improve the water-stopping effect.

[0049] For reference Figure 1 and Figure 3The end face of the outermost end curved wood grain draw plate unit 110 is closed by the planar integral wood grain lining face plate 121, and the planar gasket plate 122, the multi-row planar vertical keel 123 and the multi-row planar transverse keel 124 are sequentially arranged outside the planar integral wood grain lining face plate 121. The oblique fastening bolt 125 is connected between the planar transverse keel 124 and the curved transverse keel 114. The planar integral wood grain lining face plate 121 is closed and connected to the end face of the outermost end curved wood grain draw plate unit 110 by the oblique fastening bolt 125. The sealing unit 120 is divided into four groups at four corners, and each group is a vertically arranged multi-row. The planar integral wood grain lining face plate 121 can be a planar plate without wood grain texture. In order to improve the fastening effect of the sealing unit 120, the sealing unit 120 further comprises a third connecting piece 126 arranged on the end face of the curved transverse keel 114 of the outermost end curved wood grain draw plate unit 110, and a third connecting piece 126 arranged on the end face of the planar transverse keel 124. The oblique fastening bolt 125 is connected between the planar transverse keel 124 and the curved transverse keel 114 through the third connecting piece 126. The third connecting piece 126 can be an angle steel or the like. In order to improve the connection strength, the oblique fastening bolt 125 is a high-strength bolt.

[0050] Please refer to Figure 2 and Figure 4 The fastening unit 130 comprises a first connecting piece 131 arranged between the end face of the curved gasket plate 112 and the curved transverse keel 114 at both ends of the joint, a joint bolt 132 penetrating between the two first connecting pieces 131 at the joint, a second connecting piece 133 arranged on the end face of each curved transverse keel 114 at both ends of the joint, and a horizontal fastening bolt 134 connected between the two second connecting pieces 133 at the joint. The curved integral wood grain lining face plate 111 at both ends of the joint and the curved transverse keel 114 at both ends of the joint are pulled and connected by the horizontal fastening bolt 134 and the joint bolt 132. The first connecting piece 131 can be an angle steel or a channel steel, and the two first connecting pieces 131 at the joint are connected in abutment. The first connecting piece 131 can make the joint bolt 132 abut against the vertical face of the first connecting piece 131 for connection, thereby improving the reliability of the connection. The second connecting piece 133 can be an angle steel. The second connecting piece 133 can improve the tensioning 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 exposed concrete draw template system 100 provided by the second embodiment of the present application, the curved wood grain draw template unit 110 adopts a curved integral wood grain lining formwork panel 111, and the reverse wood grain texture is engraved on the inner surface of the curved integral wood grain lining formwork panel 111 by laser, thereby avoiding the problem that the wood grain board is difficult to bend, is prone to cracking and breaking, and causes serious material waste due to the bending of the wood grain board on the construction site, and the reverse wood grain texture is engraved by laser afterwards, thereby avoiding the problem that the wood grain texture is deformed after the wood grain board is bent, and the forming precision and quality of the curved wood grain exposed concrete are improved.

[0052] The curved wood grain exposed concrete draw template system 100 provided by the second embodiment of the present application, the two adjacent groups of horizontally spliced curved wood grain draw template units 110 are pulled tightly by the multiple fastening units 130, the curved gasket plates 112 and the curved transverse keels 114 on both sides of the spliced position are pulled tightly by the horizontal fastening bolts 134 and the splicing bolts 132, thereby the curved integral wood grain lining formwork panel 111 engraved with the reverse wood grain texture is pulled tightly through the pulling of the curved gasket plates 112 between the horizontal, the gap of the curved integral wood grain lining formwork panel 111 at the horizontal splicing joint is reduced or overcome, the splicing efficiency and quality are improved, and the forming precision and quality of the curved wood grain exposed concrete at the splicing joint are improved.

[0053] The curved wood grain exposed concrete draw template system 100 provided by the second embodiment of the present application, the planar integral wood grain lining formwork panel 121 is pulled tightly by the diagonal fastening bolts 125 of the sealing unit 120 at the four corners, thereby the forming precision and quality of the end surface of the curved wood grain exposed concrete are improved.

[0054] The curved wood grain exposed concrete draw template system 100 provided by the second embodiment of the present application, the transverse joint of the wood grain exposed concrete is ensured to be flush by the curved gasket plates 112, and the leakage of mortar is prevented; the vertical joint of the wood grain exposed concrete is ensured to be flush by the first connecting piece 131 fixed and assembled by the pin 136 and the splicing bolt 132, the horizontal fastening bolt 134 ensures the sealing of the splicing joint and cooperates with the water stop rubber strip 117 arranged at the joint gap to prevent the leakage of mortar during the construction of the wood grain exposed concrete; the planar transverse keel 124 of the double-spliced channel steel 1141 and the planar vertical keel 123 of the wood square arranged at the four edge external corners of the wall are fixed by the pre-stress applied by the diagonal fastening bolt 125, thereby the rigidity of the template corner is ensured, the gap of the template splicing joint can be adjusted, and the water stop rubber strip 117 is also arranged at the vertical splicing joint to prevent the leakage of mortar.

[0055] Please refer to Figure 2 and Figure 4The curved wood grain fair-faced concrete drawing mold plate system 100 provided by the second embodiment of the present application, the curved transverse keels 114 at the spliced part are covered and connected with connecting plates 135, and the connecting plates 135 are provided with pins 136 or bolts penetrating between the upper and lower connecting plates 135. The connecting plates 135 and the pins 136 thereon improve the reliability of the connection of the curved transverse keels 114 at the spliced part.

[0056] Please refer to Figure 2 and Figure 3 The curved wood grain fair-faced concrete drawing mold plate system 100 provided by the second embodiment of the present application, the plate surface vertical keel 113 can be a channel steel 1141, and the curved transverse keel 114 is a double-spliced channel steel 1141 with an iron block 1142 welded between the double-spliced channel steel 1141. The iron block 1142 can improve the reliability of the welding of the double-spliced channel steel 1141.

[0057] Please refer to Figure 3 and Figure 6 The curved wood grain fair-faced concrete drawing mold plate system 100 provided by the second embodiment of the present application, the flat surface vertical keel 123 can be a wooden square, and the flat surface transverse keel 124 is a double-spliced channel steel 1141 with an iron block 1142 welded between the double-spliced channel steel 1141.

[0058] Please refer to Figure 3 In order to improve the reliability of the connection of the curved integral wood grain lining mold plate 111 and the curved cushion lining plate 112, the curved wood grain fair-faced concrete drawing mold plate system 100 provided by the second embodiment of the present application, in the curved wood grain drawing mold plate unit 110, the curved integral wood grain lining mold plate 111 and the curved cushion lining plate 112 are connected by self-tapping screws 116, the curved cushion lining plate 112 and the plate surface vertical keel 113 are connected by self-tapping screws 116, and the plate surface vertical keel 113 and the curved transverse keel 114 are welded.

[0059] Please refer to Figure 4 and Figure 6 In order to improve the sealing performance, the curved wood grain fair-faced concrete drawing mold plate system 100 provided by the second embodiment of the present application, the spliced joint between the flat integral wood grain lining mold plate 121 and the curved integral wood grain lining mold plate 111 is provided with a water stop rubber strip 117, and the spliced joint between the curved integral wood grain lining mold plate 111 is provided with a water stop rubber strip 117. The water stop rubber strip 117 can prevent the problem of concrete leakage at the spliced joint.

[0060] The present application is not limited to the above-described specific embodiments, and it is obvious that the above-described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application. Those of ordinary skill in the art can make other levels of modifications and changes to the present application. Thus, if these modifications and changes of the present application belong to the scope of the claims of the present application, the present application also intends to include these modifications and changes.

Claims

1. A curved wood grain fair-faced concrete matched mold formwork system, characterized in that, The application relates to a curved wood grain mold plate unit for manufacturing curved wood grain concrete, and belongs to the field of mold plate units for manufacturing curved wood grain concrete. The curved wood grain mold plate unit comprises at least two groups of horizontally-spliced curved wood grain mold plate units, a sealing mold unit arranged on the end face of the outermost curved wood grain mold plate unit, and a plurality of fastening units arranged between the two groups of horizontally-spliced curved wood grain mold plate units. Each group of the curved wood grain mold plate units comprises two layers of curved integral wood grain lining panels arranged in parallel and at intervals, wherein a flexible wood board without wood grain texture is bent according to the inner curvature of the curved wood grain concrete, wood grain texture is engraved on the inner surface of the bent flexible wood board by three-dimensional laser engraving 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 concrete to form a curved wood grain-free wood board, a baffle is arranged on the end face of the curved wood grain wood board and the curved wood grain-free wood board to form a mold with a curved integral wood grain lining panel cavity, raw material liquid is poured into the mold, the curved integral wood grain lining panel is formed after the mold with the poured raw material liquid reaches manufacturing conditions, the curved integral wood grain lining panel mold is removed for demolding, the formed curved integral wood grain lining panel is taken out, reverse wood grain texture is engraved on the inner surface of each layer of the curved integral wood grain lining panel, a curved gasket plate is arranged on each layer of the curved integral wood grain lining panel, a plurality of plate surface vertical keels are uniformly distributed along the outer curved surface of the curved gasket plate, a plurality of curved transverse keels are arranged between the plate surface vertical keels in a vertical direction, and a plurality of five-section water stop split bolts are uniformly distributed and vertically penetrated and connected on the curved transverse keels, the plate surface vertical keels, the curved gasket plate, the two layers of the curved integral wood grain lining panels, the curved gasket plate, the plate surface vertical keels and the curved transverse keels. The sealing mold unit comprises a planar integral wood grain lining panel arranged on the end face of the outermost curved wood grain mold plate unit, a planar gasket plate arranged outside the planar integral wood grain lining panel, a plurality of planar vertical keels and a plurality of planar transverse keels arranged outside the planar gasket plate in sequence, and an oblique fastening bolt obliquely penetrated and connected between the planar transverse keels and the curved transverse keels. Each fastening unit comprises a first connecting piece arranged between the end face of the curved gasket plate and the curved transverse keel at both ends of the splicing position, a splicing bolt penetrated and arranged between the two first connecting pieces at the splicing position, a second connecting piece arranged on the end face of each curved transverse keel at both ends of the splicing position, and a horizontal fastening bolt penetrated and connected between the two second connecting pieces at the splicing position.

2. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The sealing mold unit further comprises a third connecting piece arranged on the end face of the curved transverse keel of the outermost curved wood grain mold plate unit and a third connecting piece arranged on the end face of the planar transverse keel, and the oblique fastening bolt is obliquely penetrated and connected between the planar transverse keel and the curved transverse keel through the third connecting pieces.

3. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The first connecting piece is an angle steel or a channel steel, and the two first connecting pieces at the splicing position are matched.

4. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The second connecting piece is an angle steel.

5. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The curved transverse keels at the splicing position are covered and connected with connecting plates, and pins or bolts are penetrated and arranged between the upper and lower connecting plates.

6. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The plate surface vertical keel is a channel steel, and the curved transverse keel is a double-spliced channel steel with an iron block welded in the middle.

7. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, The planar vertical keel is a wood square, and the planar transverse keel is a double-spliced channel steel with an iron block welded in the middle.

8. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, In the curved surface wood grain draw mold plate unit, the curved surface integral wood grain lining mold panel is connected with the curved surface cushion lining plate through self-tapping screws, the curved surface cushion lining plate is connected with the panel vertical keel through self-tapping screws, and the panel vertical keel is welded with the curved surface horizontal keel.

9. The curved wood grain exposed aggregate concrete counterform system of claim 1, wherein, Water stop rubber strips are arranged at the spliced joints between the planar integral wood grain lining mold panel and the curved surface integral wood grain lining mold panel, and water stop rubber strips are arranged at the spliced joints between the curved surface integral wood grain lining mold panels.

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