Steel plate concrete wall splicing structure and method

Abstract

The application is suitable for the technical field of building, and provides a steel plate concrete wall splicing structure and method.The splicing structure comprises a first wall body, the first wall body comprises two first steel face plates arranged at intervals; a second wall body comprises two second steel face plates arranged at intervals; a connecting steel plate is arranged between the first wall body and the second wall body, the first steel face plate is vertically welded on one side plate surface of the connecting steel plate, the second steel face plate is vertically welded on the other side plate surface of the connecting steel plate, and the projections of the first wall body and the second wall body on the connecting steel plate are all located in the connecting steel plate.The projections of the first wall body and the second wall body on the connecting steel plate are all located in the connecting steel plate, the plate surface of the connecting steel plate is larger than the cross sections of the first wall body and the second wall body, even if the first wall body and the second wall body are not completely aligned, the welding quality can still be ensured, and the connecting strength of the joint can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of architectural design, and particularly relates to a steel plate concrete wall splicing structure and method. BACKGROUND

[0002] The steel plate concrete wall is generally composed of two steel face plates and a sandwiched concrete. The structure fully utilizes the high tensile strength of steel and the high compressive strength of concrete, and the outer steel plate serves as a permanent formwork and a concrete enclosure, so that the steel plate concrete wall has the characteristics of high overall strength, large rigidity, excellent bending resistance and impact resistance.

[0003] The steel plate concrete wall needs to be assembled on the construction site, and the upper and lower steel plate concrete walls are spliced. In the prior art, the steel plates of the upper and lower steel plate concrete walls are directly spliced by welding. However, due to installation precision problems, the upper and lower steel plates are not completely aligned during splicing, resulting in low welding quality of the splicing structure and insufficient joint strength. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application provides a steel plate concrete wall splicing structure and method, aiming to solve the problems of low welding quality of the splicing structure and insufficient joint strength in the prior art.

[0005] The above application purpose of the present application is realized by the following technical scheme:

[0006] In one aspect, the present application discloses a steel plate concrete wall splicing structure, comprising:

[0007] A first wall body comprising two first steel face plates arranged at intervals;

[0008] A second wall body comprising two second steel face plates arranged at intervals;

[0009] A connecting steel plate arranged between the first wall body and the second wall body, the first wall body and the second wall body being spliced into a wall body by the connecting steel plate, the two first steel face plates being vertically welded on one side plate surface of the connecting steel plate, the two second steel face plates being vertically welded on the other side plate surface of the connecting steel plate, and the projections of the first wall body and the second wall body on the connecting steel plate being all located within the connecting steel plate.

[0010] As a further technical scheme of the present application, the first steel face plate is fixed with a first reinforcing steel plate, the second steel face plate is fixed with a second reinforcing steel plate, and the first reinforcing steel plate and the second reinforcing steel plate are both welded and fixed with the connecting steel plate.

[0011] As a further technical scheme of the present application: the plate surface of the first reinforcing steel plate is attached to the first steel panel, and the plate surface of the second reinforcing steel plate is attached to the second steel panel.

[0012] As a further technical scheme of the present application: the side of the first reinforcing steel plate away from the connecting steel plate is welded to the first steel panel, and the side of the second reinforcing steel plate away from the connecting steel plate is welded to the second steel panel.

[0013] The side of the first reinforcing steel plate away from the connecting steel plate has a sawtooth edge, and the side of the second reinforcing steel plate away from the connecting steel plate has a sawtooth edge.

[0014] As a further technical scheme of the present application: the tooth groove and tooth part of the sawtooth edge are isosceles trapezoidal.

[0015] As a further technical scheme of the present application: the side of the first steel panel close to each other is arrayed with a plurality of pegs, and the pegs are arranged perpendicularly to the plate surface of the first steel panel.

[0016] As a further technical scheme of the present application: a plurality of first steel bars are arranged on the two pieces of the first steel panel at intervals, the first steel bars are fixed to the first steel panel, and the first steel bars on the two pieces of the first steel panel are connected and fixed by a second steel bar.

[0017] As a further technical scheme of the present application: the connecting steel plate has a plurality of through holes, and the through holes are suitable for cement mortar to pass through.

[0018] On the other hand, the present application also discloses a steel plate concrete wall splicing method, which is applied to the steel plate concrete wall splicing structure as above and comprises the following steps.

[0019] Step 1, connecting and fixing two first steel panels arranged at intervals to obtain a hollow first wall body, and connecting and fixing two second steel panels arranged at intervals to obtain a hollow second wall body.

[0020] Step 2, splicing the first wall body and the second wall body by a connecting steel plate to make the first wall body and the second wall body form a wall body, vertically welding the two pieces of the first steel panel on one side of the connecting steel plate, and vertically welding the two pieces of the second steel panel on the other side of the connecting steel plate.

[0021] Step 3, pouring concrete into the first wall body and the second wall body.

[0022] As a further technical scheme of the present application: the step of manufacturing the connecting steel plate comprises:

[0023] Based on the formula calculating the thickness of the connecting steel plate, wherein, the thickness of the connecting steel plate, the thickness of the first steel panel and the second steel panel, the distance by which the first wall and the second wall are staggered for splicing;

[0024] selecting a plate according to the calculated thickness of the connecting steel plate and cutting the plate to obtain the connecting steel plate.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] The present application discloses a steel plate concrete wall splicing structure and method, which vertically welds a first wall and a second wall on both sides of a connecting steel plate to splice the first wall and the second wall, and the projections of the first wall and the second wall on the connecting steel plate are all located in the connecting steel plate, and the width of the connecting steel plate is greater than the thickness of the first wall and the second wall, so that the welding quality and the connection strength of the joint can be guaranteed even if the first wall and the second wall are not completely aligned. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A steel plate concrete wall splicing structure structure schematic diagram provided by the embodiment of the present application;

[0028] Figure 2 A Figure 1 a sectional view of A-A in the embodiment;

[0029] Figure 3 A Figure 2 a partial view of C in the embodiment;

[0030] Figure 4 A Figure 1 a sectional view of B-B in the embodiment;

[0031] Figure 5 A load-displacement curve diagram of the reinforced test piece and the original test piece.

[0032] Figures: 100, first wall; 110, first steel panel; 200, second wall; 210, second steel panel; 300, connecting steel plate; 310, through hole; 410, first reinforcing steel plate; 420, second reinforcing steel plate; 510, stud; 520, first steel bar; 530, second steel bar. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0034] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] Example 1: As Figure 1 The diagram shown is a structural schematic of a steel plate concrete wall splicing structure provided in an embodiment of this application, including a first wall 100, a second wall 200, and a connecting steel plate 300.

[0037] like Figure 2 As shown, the first wall 100 includes two first steel panels 110 arranged at intervals. Specifically, the two first steel panels 110 are arranged in parallel and connected by channel steel, forming a space between the two first steel panels 110 for pouring concrete.

[0038] like Figure 2 As shown, the second wall 200 includes two second steel panels 210 arranged at intervals. The two second steel panels 210 are arranged in parallel and connected by channel steel, forming a space in the middle for pouring concrete.

[0039] The connecting steel plate 300 is arranged between the first wall 100 and the second wall 200, and the first wall 100 and the second wall 200 are spliced into a wall through the connecting steel plate 300, two pieces of the first steel panel 110 are vertically welded and fixed to one side plate surface of the connecting steel plate 300, two pieces of the second steel panel 210 are vertically welded and fixed to the other side plate surface of the connecting steel plate 300, and the projections of the first wall 100 and the second wall 200 on the connecting steel plate 300 are all located in the connecting steel plate 300.

[0040] In the embodiment, the first wall 100 and the second wall 200 are respectively welded to the two side plate surfaces of the connecting steel plate 300, the splicing of the first wall 100 and the second wall 200 is realized, the projections of the first wall 100 and the second wall 200 on the connecting steel plate 300 are all located in the connecting steel plate 300, and the width of the connecting steel plate 300 is greater than the thickness of the first wall 100 and the second wall 200, so that the first steel panel 110 and the second steel panel 210 can stably contact the connecting steel plate 300 even if the first wall 100 and the second wall 200 are not completely aligned, so as to ensure the welding quality and the strength of the splicing structure.

[0041] Specifically, in some embodiments of the present application, as shown in Figure 2 , the first wall 100 and the second wall 200 are vertically spliced, the first wall 100 is located above and the wall surface is vertically arranged, the second wall 200 is located below and the wall surface is vertically arranged, the connecting steel plate 300 is horizontally arranged and located between the first wall 100 and the second wall 200, as shown in Figure 2 and Figure 3 , the width of the connecting steel plate 300 is slightly greater than the thickness of the first wall 100 and the second wall 200, two pieces of the first steel panel 110 of the first wall 100 are welded to the connecting steel plate 300, and two pieces of the second steel panel 210 of the second wall 200 are welded to the connecting steel plate 300, so that the splicing of the first wall 100 and the second wall 200 can be realized through the connecting steel plate 300.

[0042] As shown in Figure 1As shown in some embodiments of the present application, the first steel panel 110 is fixed with a first reinforcing steel plate 410 on the surface, and the second steel panel 210 is fixed with a second reinforcing steel plate 420 on the surface. The first reinforcing steel plate 410 and the second reinforcing steel plate 420 are both welded to the connecting steel plate 300. In this embodiment, the first reinforcing steel plate 410 is used to strengthen the connection between the first steel panel 110 and the connecting steel plate 300, and the second reinforcing steel plate 420 is used to strengthen the connection between the second steel panel 210 and the connecting steel plate 300. In this way, the load-bearing capacity of the spliced structure is improved, and the weak link of the first wall 100 and the second wall 200 does not appear at the spliced structure, effectively improving the stress performance of the spliced structure and improving the safety and reliability of the overall structure. In some embodiments of the present application, the weld between the first reinforcing steel plate 410 and the connecting steel plate 300 is a full penetration weld. During welding, the entire weld is in a fully melted state, and the connection of the weld completely penetrates the workpiece. In this way, the strength of the connection is improved, and the strength of the butt weld is not less than the strength of the base material of the component under the condition that the welding quality is guaranteed.

[0043] In some embodiments of the present application, as shown in Figure 1 The surface of the first reinforcing steel plate 410 is attached to the first steel panel 110, and the surface of the second reinforcing steel plate 420 is attached to the second steel panel 210. In this embodiment, the first reinforcing steel plate 410 and the second reinforcing steel plate 420 are respectively attached to the first steel panel 110 and the second steel panel 210, which can reduce the volume at the spliced structure.

[0044] In some embodiments of the present application, the side of the first reinforcing steel plate 410 away from the connecting steel plate 300 is welded to the first steel panel 110, and the side of the second reinforcing steel plate 420 away from the connecting steel plate 300 is welded to the second steel panel 210. The side of the first reinforcing steel plate 410 away from the connecting steel plate 300 has a zigzag edge line, and the side of the second reinforcing steel plate 420 away from the connecting steel plate 300 has a zigzag edge line. In this embodiment, the zigzag edge line can increase the weld length between the first reinforcing steel plate 410 and the first steel panel 110, and the weld length between the second reinforcing steel plate 420 and the second steel panel 210, thereby improving the connection strength.

[0045] In some embodiments of the present application, the thickness of the first reinforcing steel plate 410 is 25% of the thickness of the first steel panel 110, and is not less than 4mm; the thickness of the second reinforcing steel plate 420 is 25% of the thickness of the second steel panel 210, and is not less than 4mm. The first reinforcing steel plate 410 and the first steel panel 110 are connected by an angle weld, and the second reinforcing steel plate 420 and the second steel panel 210 are connected by an angle weld. Compared with traditional plug welding, the difficulty of manufacturing, processing and construction is significantly reduced.

[0046] As shown in Figure 1As shown in the drawings, in some embodiments of the present application, the tooth groove and the tooth part of the sawtooth edge line are isosceles trapezoidal. Compared with the traditional triangular sawtooth, the tip can be removed to ensure the installation of the site construction. In some embodiments of the present application, the distance from the tooth top of the sawtooth edge line of the first reinforcing steel plate 410 to the connecting steel plate 300 is greater than 0.5 times the thickness of the first wall 100, and the distance from the tooth root to the connecting steel plate 300 is 5 times the thickness of the connecting steel plate 300. In this way, the connection strength can be ensured, and the steel material can be saved.

[0047] Figure 5 The load-displacement curve of the reinforced test piece and the original test piece is shown in the drawings. The splice structure of the reinforced test piece is reinforced by the first reinforcing steel plate 410 and the second reinforcing steel plate 420. Compared with the original splice structure test piece, the bearing capacity of the test piece is significantly improved after the splice structure is reinforced. Therefore, after the vertical splice structure of the steel plate concrete wall is reinforced, the node bearing capacity is obviously improved, the weak link of the wall body is moved out of the splice structure, the design requirement of strong node and weak component is realized, and the stress performance of the splice structure is effectively improved. The safety and reliability of the overall structure are improved.

[0048] As shown in the drawings, Figure 2 In some embodiments of the present application, a plurality of studs 510 are arranged on one side of the two first steel panels 110 close to each other, and the studs 510 are arranged vertically to the panel surface of the first steel panel 110. In this embodiment, after the first wall 100 is poured with concrete, the studs 510 can be embedded in the concrete, so as to realize the coordinated stress of the concrete and the steel plate.

[0049] As shown in the drawings, Figure 2 In some embodiments of the present application, a plurality of first steel bars 520 are arranged on the two first steel panels 110 at intervals, the first steel bars 520 are fixedly connected with the first steel panels 110, and the first steel bars 520 on the two first steel panels 110 are connected and fixed by the second steel bars 530.

[0050] In this embodiment, the first steel bars 520 and the second steel bars 530 can improve the overall rigidity of the first steel panel 110. Moreover, after the first wall 100 is poured with concrete, the first steel bars 520 and the second steel bars 530 are embedded in the concrete, so as to realize the coordinated stress of the concrete and the steel plate. The structure of the second wall 200 is consistent with that of the first wall 100. Preferably, the first steel bars 520 are vertical angle steels, and the second steel bars 530 are horizontal channel steels perpendicular to the first steel panel 110 and the second steel panel 210. The channel steel and the angle steel form a frame to ensure the strength of the first wall 100 and the second wall 200.

[0051] As shown in the drawings, Figure 4As shown, in some embodiments of the present application, the connecting steel plate 300 has a plurality of through holes 310 adapted for the cement mortar to pass through. In this embodiment, the first wall 100 and the second wall 200 are first spliced, and then the concrete is poured. The concrete is poured from the first wall 100 above and flows into the second wall 200 below through the through holes 310 of the connecting steel plate 300. In this way, the post-pouring method can reduce the weight of the hoisting during the splicing of the wall and reduce the installation difficulty.

[0052] The embodiments of the present application also provide a steel plate concrete wall splicing method, which is applied to the steel plate concrete wall splicing structure as described above. The method comprises the following steps:

[0053] The two spaced first steel panels 110 are connected and fixed to obtain the hollow first wall 100, and the two spaced second steel panels 210 are connected and fixed to obtain the hollow second wall 200. In this embodiment, the two first steel panels 110 are both spaced and arranged with angle steels, the angle steels are welded with the first steel panels 110, and a plurality of channel steels are horizontally arranged, the two ends of the channel steels are respectively welded and fixed with the angle steels on one of the first steel panels 110 to form the first wall 100. The structure of the second wall 200 is consistent with that of the first wall.

[0054] The first wall 100 and the second wall 200 are spliced by the connecting steel plate 300 to form a wall, the two first steel panels 110 are vertically welded on one side plate surface of the connecting steel plate 300, and the two second steel panels 210 are vertically welded on the other side plate surface of the connecting steel plate 300. In this embodiment, the first wall 100 and the second wall 200 are respectively welded on the two sides of the connecting steel plate 300 to realize the splicing of the two steel plate concrete walls, and even if the first wall 100 and the second wall 200 are not completely aligned, the welding quality and the connection strength of the joint can still be ensured.

[0055] The concrete is poured into the first wall 100 and the second wall 200. In this embodiment, the first wall 100 and the second wall 200 are first spliced, and then the concrete is poured, which can reduce the weight of the hoisting during the splicing of the wall and reduce the installation difficulty.

[0056] In some embodiments of the present application, the step of manufacturing the connecting steel plate 300 comprises:

[0057] Based on the formula The thickness of the connecting steel plate 300 is calculated, wherein, is the thickness of the connecting steel plate 300, is the thickness of the first steel panel 110 and the second steel panel 210, The first wall 100 and the second wall 200 are staggered by a distance for splicing.

[0058] The connecting steel plate is obtained by selecting a plate according to the calculated thickness of the connecting steel plate and cutting the plate.

[0059] In the embodiment, the thickness of the connecting steel plate 300 is determined by the above formula, so that the force transmission at the splicing structure is reliable, the bearing capacity, ductility and energy dissipation capacity of the joint can meet the requirements of seismic design, and the safety and reliability of the overall structure are effectively improved. The disadvantages of determining the thickness of the connecting steel plate 300 entirely by experience are avoided, and the influence of the misalignment caused by construction errors is considered. After calculation, the thickness of the connecting steel plate can be controlled within a reasonable range, which ensures the safety of the structure and reduces the amount of steel used in the joint area. According to the calculation results, a plate with an appropriate thickness is selected, and the connecting steel plate 300 which is slightly wider than the first wall 100 and the second wall 200 is cut out according to the width of the first wall 100 and the second wall 200.

[0060] The above embodiments of the present application provide a steel plate concrete wall splicing structure, and a steel plate concrete wall splicing method based on the steel plate concrete wall splicing structure. The first wall 100 and the second wall 200 are respectively welded on both sides of the connecting steel plate 300, realizing the splicing of the first wall 100 and the second wall 200, and the projections of the first wall 100 and the second wall 200 on the connecting steel plate 300 are all located within the connecting steel plate 300. The surface of the connecting steel plate 300 is larger than the cross section of the first wall 100 and the second wall 200, so that even if the first wall 100 and the second wall 200 are not completely aligned, the quality of the welding can still be guaranteed, and the connection strength of the joint can be guaranteed. In addition, by arranging the first reinforcing steel plate 410 and the second reinforcing steel plate 420 on the first steel panel 110 and the second steel panel 210 respectively, the strength of the connecting joint is improved, and the first wall 100 and the second wall 200 can still have high strength even if they are not aligned. In this way, the difficulty of on-site wall splicing can be reduced to improve efficiency, and the strength of the splicing structure can be effectively guaranteed.

[0061] The embodiments of the specific implementation are preferred embodiments of the present application, but do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A steel plate concrete wall splicing structure, characterized by, The utility model relates to a wall body, which comprises: a first wall body (100) comprising two first steel panels (110) arranged at intervals; a second wall body (200) comprising two second steel panels (210) arranged at intervals; a connecting steel plate (300) arranged between the first wall body (100) and the second wall body (200), the first wall body (100) and the second wall body (200) being spliced into a wall body through the connecting steel plate (300), two first steel panels (110) being vertically welded on one side of the connecting steel plate (300), two second steel panels (210) being vertically welded on the other side of the connecting steel plate (300), and the projections of the first wall body (100) and the second wall body (200) on the connecting steel plate (300) being located entirely within the connecting steel plate (300); a first reinforcing steel plate (410) being fixed on the surface of the first steel panel (110), and a second reinforcing steel plate (420) being fixed on the surface of the second steel panel (210), the first reinforcing steel plate (410) and the second reinforcing steel plate (420) being welded and fixed with the connecting steel plate (300); the side of the first reinforcing steel plate (410) away from the connecting steel plate (300) being welded and connected with the first steel panel (110), and the side of the second reinforcing steel plate (420) away from the connecting steel plate (300) being welded and connected with the second steel panel (210); the side of the first reinforcing steel plate (410) away from the connecting steel plate (300) having a sawtooth edge line, and the side of the second reinforcing steel plate (420) away from the connecting steel plate (300) having a sawtooth edge line; the tooth groove and tooth part of the sawtooth edge line being isosceles trapezoidal; a plurality of pegs (510) being arranged in an array on the side of the first steel panel (110) close to each other, the pegs (510) being arranged perpendicularly to the panel surface of the first steel panel (110).

2. The steel plate concrete wall splicing structure according to claim 1, characterized by the panel surface of the first reinforcing steel plate (410) being fitted with the first steel panel (110), and the panel surface of the second reinforcing steel plate (420) being fitted with the second steel panel (210).

3. The steel plate concrete wall splicing structure according to claim 1, characterized by a plurality of first steel bars (520) being arranged at intervals on the two first steel panels (110), the first steel bars (520) being fixed with the first steel panels (110), and the first steel bars (520) on the two first steel panels (110) being connected and fixed through second steel bars (530).

4. The steel plate concrete wall splicing structure according to claim 1, characterized by a plurality of through holes (310) being provided on the connecting steel plate (300), the through holes (310) being adapted for cement mortar to pass through.

5. A method for splicing a steel plate concrete wall, applied to a steel plate concrete wall splicing structure according to any one of claims 1-4, characterized in that, The utility model relates to a wall body, which comprises: a first wall body (100) comprising two first steel panels (110) arranged at intervals; a second wall body (200) comprising two second steel panels (210) arranged at intervals; a connecting steel plate (300) arranged between the first wall body (100) and the second wall body (200), the first wall body (100) and the second wall body (200) being spliced into a wall body through the connecting steel plate (300), two first steel panels (110) being vertically welded on one side of the connecting steel plate (300), two second steel panels (210) being vertically welded on the other side of the connecting steel plate (300), and the projections of the first wall body (100) and the second wall body (200) on the connecting steel plate (300) being located entirely within the connecting steel plate (300); a first reinforcing steel plate (410) being fixed on the surface of the first steel panel (110), and a second reinforcing steel plate (420) being fixed on the surface of the second steel panel (210), the first reinforcing steel plate (410) and the second reinforcing steel plate (420) being welded and fixed with the connecting steel plate (300); the side of the first reinforcing steel plate (410) away from the connecting steel plate (300) being welded and connected with the first steel panel (110), and the side of the second reinforcing steel plate (420) away from the connecting steel plate (300) being welded and connected with the second steel panel (210); the side of the first reinforcing steel plate (410) away from the connecting steel plate (300) having a sawtooth edge line, and the side of the second reinforcing steel plate (420) away from the connecting steel plate (300) having a sawtooth edge line; the tooth groove and tooth part of the sawtooth edge line being isosceles trapezoidal; a plurality of pegs (510) being arranged in an array on the side of the first steel panel (110) close to each other, the pegs (510) being arranged perpendicularly to the panel surface of the first steel panel (110). the panel surface of the first reinforcing steel plate (410) being fitted with the first steel panel (110), and the panel surface of the second reinforcing steel plate (420) being fitted with the second steel panel (210). a plurality of first steel bars (520) being arranged at intervals on the two first steel panels (110), the first steel bars (520) being fixed with the first steel panels (110), and the first steel bars (520) on the two first steel panels (110) being connected and fixed through second steel bars (530). a plurality of through holes (310) being provided on the connecting steel plate (300), the through holes (310) being adapted for cement mortar to pass through. The utility model relates to a wall body, which comprises: Step 2, splice the first wall (100) and the second wall (200) by connecting steel plate (300) to make the first wall (100) and the second wall (200) form a wall, and vertically weld two pieces of the first steel panel (110) on one side of the connecting steel plate (300), and vertically weld two pieces of the second steel panel (210) on the other side of the connecting steel plate (300); Step 3, pour concrete into the first wall (100) and the second wall (200).

6. A steel plate concrete wall splicing method according to claim 5, wherein The steps of making the connecting steel plate (300) include: Based on the formula calculating the thickness of the connecting steel plate (300), wherein, is the thickness of the connecting steel plate (300), is the thickness of the first steel panel (110) and the second steel panel (210), is the distance by which the first wall (100) and the second wall (200) to be spliced are offset; Selecting a plate according to the calculated thickness of the connecting steel plate (300) and cutting to obtain the connecting steel plate (300).

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