Masonry wall and construction method thereof

Abstract

The invention relates to the technical field of building construction, and discloses a masonry wall which comprises a wall body, reinforcing columns, a connecting net, a UHPC layer and a plurality of connecting assemblies. The reinforcing columns are embedded in the hollow area in the wall body, so that the vertical integrity of the masonry wall is improved, and the vertical rigidity of the masonry wall is enhanced; then the connecting net is connected through the connecting strips and wraps the outer surface of the wall body, so that a metal cage framework is formed, and the overall connectivity of the masonry wall is enhanced; and the UHPC layer covers the surface of the side, opposite to the wall body, of the connecting net, so that on one hand, the strength, the toughness and the anti-seismic property of the overall structure of the masonry wall are improved, and on the other hand, the overall masonry wall can have longer service life and better corrosion resistance. The invention further discloses a construction method of the masonry wall. The construction method is used for constructing the masonry wall.

Description

Technical Field

[0001] The present invention relates to the technical field of building structures, and particularly to a masonry wall and a construction method thereof. Background Art

[0002] A masonry wall refers to a wall built by using blocks and mortar through a certain masonry method. Due to its good service functions, relatively low cost, simple and fast construction, etc., it is widely used in construction projects.

[0003] However, in the existing technology, masonry walls usually have problems such as obvious brittleness characteristics of brick or block materials themselves, limitations in the interfacial bonding performance with mortar, insufficient structural shear bearing capacity, and poor integrity. As a result, the masonry wall structure is prone to cracking or collapse. When used in the bottom layer of a building, it usually makes the overall seismic performance of the building poor, and such masonry walls usually have poor durability.

[0004] Although using reinforced concrete walls in the bottom floors can ensure that the walls have a certain strength and stiffness, since reinforced concrete walls are constructed from steel bars and concrete, their materials are significantly different from those of masonry walls, which will lead to a sudden change in mechanical properties between the upper walls and the bottom floor walls, and is likely to cause brittle failure or even collapse of the upper masonry walls. Summary of the Invention

[0005] The purpose of the present invention is to provide a masonry wall and a construction method thereof, so as to solve the problems in the existing technology that the overall seismic performance and durability of a building are poor due to the general interfacial bonding performance between brick or block materials and mortar in the masonry wall.

[0006] To achieve the above purpose, the present invention provides a masonry wall, which includes a wall body, strengthening columns, a connecting net, a UHPC layer, and a plurality of connecting components;

[0007] A plurality of hollow areas are formed in the wall body, and the plurality of hollow areas are evenly spaced along the length direction of the wall body, and the hollow areas extend along the height direction and penetrate the upper and lower surfaces of the wall body;

[0008] The strengthening columns are arranged vertically, and the strengthening columns are embedded in the hollow areas;

[0009] A plurality of connecting components are evenly spaced along the height direction, and each connecting component includes a plurality of connecting bars evenly spaced along the length direction of the wall body, and the connecting bars extend along the width direction of the wall body;

[0010] There is a connection joint in the wall, and the connection joint includes a first mortar joint and a second mortar joint; the first mortar joint extends along the length direction of the wall, and the second mortar joint extends along the height direction; a plurality of second mortar joints are provided between two adjacent first mortar joints, and the first mortar joint and the plurality of second mortar joints are respectively communicated; the connecting strip is embedded in the connection joint, and the connecting strip is located in the first mortar joint and / or the second mortar joint, and both ends of the connecting strip protrude from the wall;

[0011] The connection net is coated on the outer surface of the wall and is fixedly connected to a plurality of the connecting strips; the UHPC layer is covered on the surface of the connection net facing away from the wall.

[0012] Further, the outer contour of the cross section of the connecting strip is square, and the connecting strip is embedded in the first mortar joint or the second mortar joint.

[0013] Further, the outer contour of the cross section of the connecting strip is L-shaped or T-shaped, and the connecting strip is embedded at the connection position of the first mortar joint and the second mortar joint, so that part of the connecting strip is located in the first mortar joint and the other part of the connecting strip is located in the second mortar joint.

[0014] Further, a hook is fixedly provided at the end of the connecting strip protruding from the wall, the hook is vertically arranged and the end of the hook away from the wall is bent upward;

[0015] The bending angle of the hook is 100° to 180°.

[0016] Further, a hook is fixedly provided at the end of the connecting strip protruding from the wall, the hook is horizontally arranged and the end of the hook away from the wall is bent toward the wall;

[0017] The bending angle of the hook is 100° to 180°.

[0018] Further, the bending length of the hook is 10 to 30 mm.

[0019] Further, a plurality of connection holes are provided in the connecting strip, and the plurality of connection holes are uniformly spaced along the width direction of the wall;

[0020] The connection holes penetrate through both side surfaces of the connecting strip in the length direction of the wall.

[0021] Further, an upper ring beam is fixedly provided on the upper surface of the wall;

[0022] A lower ring beam is fixedly provided on the lower surface of the wall.

[0023] The present invention also provides a construction method for the above-mentioned masonry wall, which includes the following steps:

[0024] S1. Form the wall by laying bricks or blocks, and make there be a plurality of hollow areas in the wall which are evenly spaced along the length direction of the wall;

[0025] During the laying process, embed connection bars in the connection joints so that there are multiple groups of the connection components evenly spaced in the vertical direction of the wall;

[0026] S2. Fix the connection net to a plurality of connection bars;

[0027] S3. Insert strengthening columns into the hollow areas and pour concrete into the hollow areas;

[0028] S4. Apply UHPC to the wall and the connection net so that a UHPC layer is coated on the surface of the side of the connection net facing away from the wall.

[0029] Further, the thickness of the UHPC layer is 10 - 30 mm;

[0030] The components of the UHPC are cement, silica fume, limestone powder, bentonite, river sand, water reducing agent, steel fiber and water;

[0031] Among them, each component is in parts by weight: 550 parts of cement, 150 parts of silica fume, 350 parts of limestone powder, 55 parts of bentonite, 990 parts of river sand, 35 parts of water reducing agent, 190 parts of water; the cement is P.O.52.5 ordinary Portland cement; the SiO2 content of the silica fume is not less than 95%, and the specific surface area is not less than 20000 m 2 / kg; the CaO content of the limestone powder is 54%; the SiO2 content of the bentonite is 65%; the particle size of the river sand is 0 - 1.25 mm; the water reducing agent is a slump - retaining polycarboxylate - based water reducing agent, and the water reducing rate is not less than 20%.

[0032] Compared with the prior art, the beneficial effects of a masonry wall and its construction method provided by the present invention are as follows:

[0033] A masonry wall provided by the present invention includes a wall, strengthening columns, a connection net, a UHPC layer and a plurality of connection components; by embedding strengthening columns in the hollow areas in the wall, the vertical integrity of the masonry wall is improved, and the vertical stiffness of the masonry wall is enhanced; then the connection net is connected by connection bars and coated on the outer surface of the wall to form a metal cage structure, enhancing the overall connectivity of the masonry wall; then by covering the UHPC layer on the surface of the side of the connection net facing away from the wall, on the one hand, the strength, toughness and seismic performance of the overall structure of the masonry wall are improved, and on the other hand, the masonry wall as a whole can have a longer service life and better corrosion resistance.

[0034] The present invention also provides a construction method for the above-mentioned masonry wall. A wall is constructed by bricks or blocks, and a hollow area is formed in the wall. During the masonry process, connection bars are embedded in the connection joints of the wall. After the masonry is completed, a connection mesh is fixedly connected to a plurality of connection bars so that the connection mesh can cover the outer surface of the wall and be fixedly connected to the wall. Then, by inserting reinforcing columns into the hollow area and pouring concrete, the reinforcing columns are buried and fixed in the wall. Finally, by applying UHPC to the wall and the connection mesh, a UHPC layer is finally formed on the outer peripheral surfaces of the wall and the connection mesh, achieving the integrity and consistency of the masonry wall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a front view schematic diagram of a masonry wall according to an embodiment of the present invention;

[0036] Figure 2 is Figure 1 a schematic diagram of the A-A cross-section of;

[0037] Figure 3 is a three-view drawing of a connection bar with a square cross-sectional outline in three forms: without a hook, with the hook vertically arranged, and with the hook horizontally arranged according to an embodiment of the present invention;

[0038] Figure 4 is a three-view drawing of a connection bar with an L-shaped cross-sectional outline in three forms: without a hook, with the hook vertically arranged, and with the hook horizontally arranged according to an embodiment of the present invention;

[0039] Figure 5 is a three-view drawing of a connection bar with a T-shaped cross-sectional outline in three forms: without a hook, with the hook vertically arranged, and with the hook horizontally arranged according to an embodiment of the present invention.

[0040] In the figure, 100, masonry wall; 1, wall; 10, hollow area; 11, connection joint; 111, first mortar joint; 112, second mortar joint; 2, reinforcing column; 3, connection mesh; 4, connection component; 41, connection bar; 410, connection hole; 411, hook; 5, upper ring beam; 6, lower ring beam. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0041] The following will further describe in detail the specific embodiments of the present invention in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0042] As Figures 1 to 5 shown, a masonry wall 100 according to an embodiment of the present invention includes a wall 1, a reinforcing column 2, a connection mesh 3, a UHPC layer, and a plurality of connection components 4;

[0043] A plurality of hollow regions 10 are formed in the wall body 1. The plurality of hollow regions 10 are evenly spaced along the length direction of the wall body, and the hollow regions 10 extend along the height direction and penetrate through the upper and lower surfaces of the wall body 1.

[0044] The strengthening columns 2 are vertically arranged, and the strengthening columns 2 are embedded in the hollow regions 10.

[0045] A plurality of connecting components 4 are evenly spaced along the height direction. The connecting component 4 includes a plurality of connecting bars 41 that are evenly spaced along the length direction of the wall body. The connecting bars 41 extend along the width direction of the wall body 1.

[0046] There is a connecting joint 11 in the wall body 1. The connecting joint 11 includes a first mortar joint 111 and a second mortar joint 112. The first mortar joint 111 extends along the length direction of the wall body, and the second mortar joint 112 extends along the height direction. A plurality of second mortar joints 112 are provided between adjacent two first mortar joints 111, and the first mortar joint 111 and the plurality of second mortar joints 112 are respectively communicated. The connecting bar 41 is embedded in the connecting joint 11, and the connecting bar 41 is located in the first mortar joint 111 and / or the second mortar joint 112. Both ends of the connecting bar 41 protrude from the wall body 1.

[0047] The connecting net 3 is coated on the outer surface of the wall body 1 and is fixedly connected to the plurality of connecting bars 41. The UHPC layer is coated on the surface of the connecting net 3 facing away from the wall body 1.

[0048] Based on the above technical solutions, by embedding the strengthening columns 2 in the hollow regions 10 in the wall body 1, the vertical integrity of the masonry wall 100 is improved, and the vertical stiffness of the masonry wall 100 is enhanced. Then, the connecting net 3 is connected and coated on the outer surface of the wall body 1 through the connecting bars 41 to form a metal cage structure, enhancing the overall connectivity of the masonry wall 100. Further, by coating the UHPC layer on the surface of the connecting net 3 facing away from the wall body 1, on the one hand, the strength, toughness and seismic performance of the overall structure of the masonry wall 100 are improved, and on the other hand, the masonry wall 100 can have a longer service life and better corrosion resistance as a whole.

[0049] Preferably, as Figure 2 shown, to facilitate obtaining the strengthening columns 2, the strengthening columns 2 are steel pipes, so as to be directly obtained from the construction site.

[0050] Furthermore, as Figure 3As shown, the outer contour of the cross-section of the connecting strip 41 is square, and the connecting strip 41 is embedded in the first mortar joint 111 or the second mortar joint 112; so that a plurality of the connecting strips 41 in the same connecting component 4 can be evenly arranged at intervals along the length direction of the wall body.

[0051] Furthermore, as Figure 4 and Figure 5 shown, the outer contour of the cross-section of the connecting strip 41 is L-shaped or T-shaped (wherein, Figure 4 shown is the connecting strip with an L-shaped outer contour of the cross-section, Figure 5 shown is the connecting strip with a T-shaped outer contour of the cross-section), the connecting strip 41 is embedded at the connecting position of the first mortar joint 111 and the second mortar joint 112, so that part of the connecting strip 41 is located in the first mortar joint 111, and the other part of the connecting strip 41 is located in the second mortar joint 112; by setting the outer contour of the cross-section of the connecting strip 41 to be L-shaped or T-shaped, when the connecting strip 41 is embedded in the connecting joint 11, part of the connecting strip 41 is located in the first mortar joint 111, and the other part of the connecting strip 41 is located in the second mortar joint 112, so that the force on the connecting strip 41 can be evenly transmitted to the wall body 1.

[0052] Furthermore, as Figures 3 to 5 shown, a hook 411 is fixedly provided at the end of the connecting strip 41 protruding from the wall body 1, the hook 411 is vertically arranged and the end of the hook 411 away from the wall body 1 is bent upward (as Figure 3 (b), Figure 4 (b) and Figure 5 (b) shown); the bending angle of the hook 411 is 100° to 180°; through the hook 411, it is convenient to connect the connecting strip 41 with the connecting net.

[0053] Furthermore, a hook 411 is fixedly provided at the end of the connecting strip 41 protruding from the wall body 1, the hook 411 is horizontally arranged and the end of the hook 411 away from the wall body 1 is bent toward the wall body 1 (as Figure 3 (c), Figure 4 (c) and Figure 5 (c) shown); the bending angle of the hook 411 is 100° to 180°; through the hook 411, it is convenient to connect the connecting strip 41 with the connecting net.

[0054] Furthermore, as Figures 3 to 5 shown, the bending length of the hook 411 is 10 to 30 mm; so that the length of the hook 411 is suitable for connecting with the connecting net 3 and will not be too long to affect the flatness of the final surface of the masonry wall 100.

[0055] Furthermore, asFigures 3 to 5 As shown, a plurality of connection holes 410 are formed in the connection bar 41, and the plurality of connection holes 410 are evenly spaced along the width direction of the wall body 1; the connection holes 410 penetrate through both side surfaces of the connection bar 41 in the length direction of the wall body; the connection holes 410 can be used to realize the bundling and fixing between the connection bar 41 and the connection net 3 through steel wires or other bundling materials.

[0056] Further, as Figure 1 shown, an upper ring beam 5 is fixedly provided on the upper surface of the wall body 1; a lower ring beam 6 is fixedly provided on the lower surface of the wall body 1; the upper ring beam 5 and the lower ring beam 6 are used to enhance the stability of the wall body structure.

[0057] As Figure 1 and Figure 2 shown, the present invention also discloses a construction method of the above-mentioned masonry wall, which includes the following steps:

[0058] S1. Use bricks or blocks to build the wall body 1, and make the wall body 1 have a plurality of hollow areas 10 evenly spaced along the length direction of the wall body 1;

[0059] During the building process, bury the connection bar 41 in the connection seam 11 so that multiple groups of the connection components 4 are evenly spaced in the vertical direction of the wall body 1;

[0060] S2. Fix the connection net 3 to be fixedly connected with a plurality of connection bars 41;

[0061] S3. Insert the strengthening column 2 into the hollow area 10 and pour concrete into the hollow area 10;

[0062] S4. Apply UHPC to the wall body 1 and the connection net 3 so that a UHPC layer is coated on the surface of the connection net 3 facing away from the wall body 1.

[0063] Based on the above technical solution, the wall body 1 is built by bricks or blocks, and the wall body 1 has a hollow area 10, and the connection bar 41 is buried in the connection seam 11 of the wall body 1 during the building process; after the building is completed, the connection net 3 is fixedly connected with a plurality of connection bars 41 so that the connection net 3 can be coated on the outer surface of the wall body 1 and fixedly connected with the wall body 1; then the strengthening column 2 is inserted into the hollow area 10 and concrete is poured to bury and fix the strengthening column 2 in the wall body 1. Finally, by applying UHPC to the wall body 1 and the connection net 3, the outer peripheral surfaces of the wall body 1 and the connection net 3 are finally coated with a UHPC layer, realizing the integrity and consistency of the structure of the masonry wall 100.

[0064] Furthermore, to enable the UHPC layer to have good bonding performance and sufficient impermeability, the thickness of the UHPC layer is 10 - 30 mm;

[0065] The components of the UHPC are cement, silica fume, limestone powder, bentonite, river sand, water reducing agent, steel fiber and water;

[0066] Among them, each component is in parts by weight: 550 parts of cement, 150 parts of silica fume, 350 parts of limestone powder, 55 parts of bentonite, 990 parts of river sand, 35 parts of water reducing agent, and 190 parts of water; the cement is P.O.52.5 ordinary Portland cement; the SiO₂ content of the silica fume is not less than 95%, and the specific surface area is not less than 20000 m 2 / kg; the CaO content of the limestone powder is 54%; the SiO₂ content of the bentonite is 65%; the particle size of the river sand is 0 - 1.25 mm; the water reducing agent is a slump retaining polycarboxylate water reducing agent, and the water reducing rate is not less than 20%.

[0067] Preferably, to enable the strengthening column 2 to bond with the concrete to form a strengthening structure with sufficient strength; the components of the concrete are cement, fly ash, ore sand, gravel, polymer, water reducing agent and water;

[0068] Each component is in parts by weight: 380 - 420 parts of cement, 38 - 42 parts of fly ash, 640 - 680 parts of ore sand, 960 - 1000 parts of gravel, 5 - 7 parts of water reducing agent, and 170 - 180 parts of water; the cement is P·O 42.5 ordinary Portland cement; the fly ash is grade I fly ash, and the activity index is not less than 85%; the fineness modulus of the ore sand is 2.48; the particle size of the gravel is 5 - 10 mm; the water reducing agent is a polycarboxylate water reducing agent, and the water reducing rate is not less than 25%.

[0069] Example 1

[0070] A construction method of a masonry wall 100, which includes the following steps:

[0071] S1. Select concrete small hollow blocks with dimensions of 390 mm × 190 mm × 190 mm, and build a wall 1 with a length of 4.5 m, a height of 3.6 m, and a thickness of 240 mm;

[0072] And a hollow area 10 is provided every 1.6 m;

[0073] Select a connecting strip 41 with an L-shaped cross-sectional outer contour. The connecting strip 41 is made of steel, with a thickness of 5 mm. The lengths of both sides of the L-shape are 40 mm. Both ends of the connecting strip 41 have hooks 411 bent upward, with a bending angle of 180° and a bending length of 30 mm; and the exposed length of the connecting strip 41 is 15 mm.

[0074] The horizontal arrangement spacing of the connecting bars 41 in the same connecting component 4 is 800 mm, and the arrangement spacing of the connecting components 4 is 400 mm;

[0075] S2. Select a connecting mesh 3 with a mesh size of 200 mm × 200 mm, a diameter of 5 mm and made of steel bars;

[0076] Hang the connecting mesh 3 on the hooks 411 of the connecting bars 41 and perform secondary fixation with binding wire;

[0077] S3. Select a steel pipe with an outer diameter of 42 mm and a wall thickness of 4 mm as the strengthening column 2, vertically insert it into the hollow area 10, and pour concrete into the hollow area 10 to form a concrete core column with a cross-sectional size of 130 mm × 145 mm;

[0078] S4. Apply UHPC to the wall 1 and the connecting mesh 3 so that a UHPC layer is coated on the surface of the connecting mesh 3 on the side facing away from the wall 1; the coating thickness is 30 mm;

[0079] S5. Pour the upper ring beam 5 with a cross-sectional size of 240 mm × 240 mm;

[0080] Pour the lower ring beam 6 with a cross-sectional size of 240 mm × 240 mm.

[0081] Embodiment 2

[0082] S1. Select ordinary sintered bricks with dimensions of 240 mm × 115 mm × 53 mm to build a wall 1 with a length of 4.5 m, a height of 3.6 m, and a thickness of 240 mm;

[0083] And one hollow area 10 is arranged at an interval of 1.6 m;

[0084] Select a connecting bar 41 with an L-shaped cross-sectional outline. The connecting bar 41 is made of steel, with a thickness of 5 mm. The lengths of both sides of the L shape are 40 mm. Both ends of the connecting bar 41 have hooks 411 bent upward, with a bending angle of 180° and a bending length of 30 mm; and the exposed length of the connecting bar 41 is 15 mm.

[0085] The horizontal arrangement spacing of the connecting bars 41 in the same connecting component 4 is 500 mm, and the arrangement spacing of the connecting components 4 is 250 mm;

[0086] S2. Select a connecting mesh 3 with a mesh size of 200 mm × 200 mm, a diameter of 5 mm and made of steel bars;

[0087] Hang the connection net 3 on the hook 411 of the connection bar 41 and perform secondary fixation with binding wire;

[0088] S3. Select a steel pipe with an outer diameter of 42 mm and a wall thickness of 4 mm as the strengthening column 2, vertically insert it into the hollow area 10, and pour concrete into the hollow area 10 to form a concrete core column with a cross-sectional size of 130 mm × 145 mm;

[0089] S4. Apply UHPC to the wall 1 and the connection net 3 so that a UHPC layer is coated on the surface of the connection net 3 facing away from the wall 1; the coating thickness is 30 mm;

[0090] S5. Pour the upper ring beam 5, and the cross-sectional size of the upper ring beam 5 is 120 mm × 240 mm;

[0091] Pour the lower ring beam 6, and the cross-sectional size of the lower ring beam 6 is 120 mm × 240 mm.

[0092] In summary, the embodiment of the present invention provides a masonry wall 100, which includes a wall 1, a strengthening column 2, a connection net 3 and a plurality of connection components 4; by burying the strengthening column 2 in the hollow area 10 in the wall 1, the vertical integrity of the masonry wall 100 is improved, and the vertical stiffness of the masonry wall 100 is enhanced; then the connection net 3 is connected by the connection bar 41 and coated on the outer surface of the wall 1 to form a metal cage structure, enhancing the overall connectivity of the masonry wall 100; then by coating a UHPC layer on the surface of the connection net 3 facing away from the wall 1, on the one hand, the strength, toughness and seismic performance of the overall structure of the masonry wall 100 are improved, and on the other hand, the masonry wall 100 can have a longer service life and better corrosion resistance as a whole.

[0093] The present invention also provides a construction method of the above-mentioned masonry wall 100. The wall 1 is built by bricks or blocks, and the wall 1 has a hollow area 10, and the connection bar 41 is buried in the connection joint 11 of the wall 1 during the building process; after the building is completed, the connection net 3 is fixedly connected to a plurality of connection bars 41 so that the connection net 3 can be coated on the outer surface of the wall 1 and fixedly connected to the wall 1; then the strengthening column 2 is inserted into the hollow area 10 and concrete is poured to bury and fix the strengthening column 2 in the wall 1. Finally, by applying UHPC to the wall 1 and the connection net 3, the outer peripheral surfaces of the wall 1 and the connection net 3 are finally coated with a UHPC layer, realizing the integrity and consistency of the structure of the masonry wall 100.

[0094] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A masonry wall, characterized in that, It includes a wall body, strengthening columns, a connection net, a UHPC layer and a plurality of connection components; A plurality of hollow areas are formed in the wall body, the plurality of hollow areas are arranged at equal intervals along the length direction of the wall body, and the hollow areas extend along the height direction and penetrate the upper and lower surfaces of the wall body; The strengthening columns are arranged vertically, and the strengthening columns are buried in the hollow areas; A plurality of connection components are arranged at equal intervals along the height direction, and each connection component includes a plurality of connection bars arranged at equal intervals along the length direction of the wall body, and the connection bars extend along the width direction of the wall body; There are connection joints in the wall body, and the connection joints include a first mortar joint and a second mortar joint; the first mortar joint extends along the length direction of the wall body, and the second mortar joint extends along the height direction; a plurality of second mortar joints are arranged between two adjacent first mortar joints, and the first mortar joint and the plurality of second mortar joints are respectively communicated; the connection bars are buried in the connection joints, and the connection bars are located in the first mortar joint and / or the second mortar joint, and both ends of the connection bars protrude from the wall body; The connection net is coated on the outer surface of the wall body and is fixedly connected to the plurality of connection bars; the UHPC layer is coated on the surface of the connection net facing away from the wall body.

2. The masonry wall according to claim 1, wherein The cross-sectional outer contour of the connection bar is square, and the connection bar is buried in the first mortar joint or the second mortar joint.

3. The masonry wall according to claim 1, characterized in that, The cross-sectional outer contour of the connection bar is L-shaped or T-shaped, and the connection bar is buried at the connection position of the first mortar joint and the second mortar joint, so that part of the connection bar is located in the first mortar joint and the other part of the connection bar is located in the second mortar joint.

4. The masonry wall according to claim 1, characterized in that A hook is fixedly arranged at the end of the connection bar protruding from the wall body, the hook is arranged vertically and the end of the hook away from the wall body is bent upward; The bending angle of the hook is 100°-180°; 5. The masonry wall according to claim 1, characterized in that, A hook is fixedly arranged at the end of the connection bar protruding from the wall body, the hook is arranged horizontally and the end of the hook away from the wall body is bent towards the wall body; The bending angle of the hook is 100°-180°; 6. The masonry wall according to claim 4 or 5, characterized in that, The bending length of the hook is 10-30mm; 7. The masonry wall according to claim 1, characterized in that, A plurality of connection holes are formed in the connection bar, and the plurality of connection holes are arranged at equal intervals along the width direction of the wall body; The connection holes penetrate through the two side surfaces of the connection bar in the length direction of the wall body.

8. The masonry wall according to claim 1, characterized in that, An upper ring beam is fixedly arranged on the upper surface of the wall body; A lower ring beam is fixedly arranged on the lower surface of the wall body.

9. A construction method of a masonry wall according to any one of claims 1 to 8, characterized in that, It includes the following steps: S1. Use bricks or blocks to build the wall body, and make the wall body have a plurality of hollow areas arranged at equal intervals along the length direction of the wall body; During the building process, bury the connection bars in the connection joints, so that multiple groups of the connection components are arranged at equal intervals in the vertical direction of the wall body; S2. Fix the connection net to the plurality of connection bars; S3. Insert the strengthening columns into the hollow areas and pour concrete into the hollow areas; S4. Apply UHPC to the wall body and the connection net, so that the UHPC layer is coated on the surface of the connection net facing away from the wall body.

10. The construction method according to claim 9, characterized in that, The thickness of the UHPC layer is 10-30mm; The components of the UHPC are cement, silica fume, limestone powder, bentonite, river sand, water reducer, steel fiber and water; Among them, each component is calculated by weight as 550 parts of cement, 150 parts of silica fume, 350 parts of limestone powder, 55 parts of bentonite, 990 parts of river sand, 35 parts of water reducing agent, and 190 parts of water; the cement is P.O.52.5 ordinary Portland cement; the SiO2 content of the silica fume is not less than 95%, and the specific surface area is not less than 20000m 2 / kg; the CaO content of the limestone powder is 54%; the SiO2 content of the bentonite is 65%; the particle size of the river sand is 0-1.25mm; the water reducing agent is a slump retaining polycarboxylate water reducing agent, and the water reducing rate is not less than 20%.

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