A shear wall of an elevator shaft and its construction method

Abstract

The present invention belongs to the field of construction, and particularly relates to a shear wall of an elevator shaft and a construction method thereof. It includes corner column wall parts located at the corners of the elevator shaft and main wall parts connected between adjacent corner column wall parts. The corner column wall parts include one or multiple sections of corner column walls connected up and down, and the main wall parts include one or multiple main walls connected up and down. The corner column wall includes a corner column inner wall panel located inside the elevator shaft, a corner column outer wall panel located outside the elevator shaft, a corner column end plate connected between the corresponding corner column inner and outer wall panels, and a corner concrete column filled in the corner column cavity formed by enclosing the corner column inner and outer wall panels and the corner column end plate. All the steel plates inside the elevator shaft are made of stainless steel, which enhances the durability of the steel plate shear wall, reduces the potential safety hazards and maintenance costs of later maintenance, has good economic benefits, and conforms to the construction concept of sustainable development.

Description

Technical Field

[0001] The invention belongs to the field of construction, and in particular relates to an elevator shaft shear wall and a construction method thereof. Background Art

[0002] Steel tube concrete has the advantages of high bearing capacity, good plasticity and toughness, fewer construction processes, and no need to install or dismantle formwork. At the same time, steel tube concrete can be made in a prefabricated form, and can withstand a certain construction load after being hoisted at the construction site. The steel tube concrete is placed in key positions, and adjacent steel tube concrete is connected with steel plates, and concrete is poured in the inner cavity formed by the steel plates to form a new type of shear wall structure.

[0003] The internal steel plates of the shear wall elevator shaft with steel plates on both sides are difficult to maintain in the later stage, and the durability cannot be guaranteed. Conventional concrete elevator shaft shear walls need to dismantle the formwork, and the shear walls with steel plates need to be welded on site. The construction is complicated, special brackets need to be set up, and the construction safety hazards are relatively large.

[0004] Concrete shear walls with steel plates on both sides are prone to mold expansion during the concrete pouring process, and the out-of-plane deformation of the steel plates is large. At the same time, under the action of horizontal reciprocating loads, due to the different deformation coefficients of the steel plates and concrete, the steel plates are prone to misalignment or separation from the concrete, thereby losing the advantage of the two working together. Summary of the invention

[0005] The object of the present invention is to provide an elevator shaft shear wall and a construction method thereof in view of the above-mentioned problems.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] An elevator shaft shear wall comprises a corner column wall portion located at a corner of the elevator shaft and a main wall portion connected between adjacent corner column wall portions, wherein the corner column wall portion comprises one section or multiple sections of corner column wall connected up and down, and the main wall portion comprises one surface or multiple surfaces of main wall connected up and down; the corner column wall comprises a corner column inner wall panel located at the inner side of the elevator shaft, a corner column outer wall panel located at the outer side of the elevator shaft, a corner column end panel connected between the corresponding corner column inner and outer wall panels, and a corner concrete column filled in a corner column cavity enclosed by the corner column inner and outer wall panels and the corner column end panel; the main wall comprises a main wall inner wall panel located at the inner side of the elevator shaft, a main wall outer wall panel located at the outer side of the elevator shaft, a plurality of connectors connected between the main wall inner and outer wall panels, and a main wall concrete layer filled between the corresponding main wall inner wall panels, main wall outer wall panels and corner column wall.

[0008] Preferably, at least the corner column interior wall panels and the main wall interior wall panels among the corner column exterior wall panels, corner column end panels, main wall interior wall panels, main wall exterior wall panels and corner column walls are stainless steel plates, and the rest are carbon steel plates.

[0009] All the steel plates on the inner side of the elevator shaft are made of stainless steel, which enhances the durability of the steel plate shear wall, reduces the potential safety hazards and maintenance costs of later maintenance, has good economic benefits, and conforms to the building concept of sustainable development.

[0010] Preferably, the connecting member is a long screw rod with one end connected to the inner side of the inner wall panel of the main wall and the other end passing through the outer wall panel of the main wall. A nut is screwed on the outer part of the screw rod passing through the outer wall panel of the main wall.

[0011] Preferably, the connecting member includes a distance-control stiffening plate connected between the inner wall panel and the outer wall panel of the main wall. One side of the distance-control stiffening plate is welded to the inner side surface of the inner wall panel of the main wall, and the other side is connected to the outer wall panel of the main wall through a short screw rod passing through the outer wall panel of the main wall. The width of the distance-control stiffening plate is equal to the distance between the inner and outer wall panels of the corner column. A plurality of through holes for communicating the spaces on both sides of the distance-control stiffening plate are provided on the distance-control stiffening plate.

[0012] The distance-control stiffening plate can enhance the connection strength between the inner and outer wall panels of the main wall, and at the same time ensure accurate alignment on the premise of convenient installation, so as to ensure that the thickness of the main wall after installation is uniform, the strength is stable, and it is not easy to appear bulging and uneven phenomena after pouring concrete, and the outer wall of the wall is flat and not easy to deform. At the same time, under the action of horizontal reciprocating loads, although the deformation coefficients of the wall panel and the concrete are different, the inner and outer wall panels of the main wall are not easy to be staggered or separated from the concrete, ensuring the advantage of being able to cooperate closely with each other and work firmly.

[0013] The through holes can be set in a polygonal structure. The setting of the through holes can enhance the restraint of the inner and outer wall panels of the main wall on the concrete, improve the shear resistance between the steel plate and the concrete, and improve the integrity of the shear wall.

[0014] Both the long screw rod and the short screw rod are made of carbon rod materials. The threaded carbon steel screw rod is processed by the form of factory welding, and factory assembly line construction can be adopted, with high production efficiency. On-site, the carbon steel plate, that is, the outer wall panel of the main wall, is connected to the threaded carbon steel screw rod by bolts, which reduces the operation requirements for technical workers and can reduce the labor cost to a certain extent.

[0015] Preferably, at least one connecting plate strip is vertically connected to the side of the distance-control stiffening plate close to the outer wall panel of the main wall, and the short screw rod is connected to the connecting plate strip; the distance-control stiffening plate is a vertical distance-control stiffening plate with its length direction along the gravity direction; the length of the vertical distance-control stiffening plate is equal to the height of the inner wall panel and the outer wall panel of the main wall where it is located, and the upper and lower ends are flush with the upper and lower ends of the outer wall panel of the main wall, and the through holes are polygonal through holes arranged in a staggered manner.

[0016] Preferably, at least two distance-control stiffening plates are arranged horizontally along each main wall body. Long screws are evenly distributed on both sides of the distance-control stiffening plates. At least one side surface of the distance-control stiffening plate is provided with deviation-correcting stiffening blocks. The deviation-correcting stiffening blocks include two mutually perpendicular deviation-correcting surfaces, and the two deviation-correcting surfaces are respectively in fitting connection with the distance-control stiffening plate and the inner wall panel surface of the main wall.

[0017] Preferably, the deviation-correcting surface is a triangular surface. The deviation-correcting stiffening block further includes an upper surface and a lower surface located on the outside. Both the upper and lower surfaces are triangular surfaces, and at least the lower surface gradually extends upward from the connecting corner of the distance-control stiffening plate and the inner wall panel of the main wall, so that the included angle between the lower surface and the distance-control stiffening plate and the inner wall panel of the main wall is greater than 90 degrees, and the included angle between the upper surface on the outside of the stiffening block and the distance-control stiffening plate and the inner wall panel of the main wall is less than 90 degrees, so that an inwardly recessed slot is formed in the upper space formed by the deviation-correcting stiffening block, the distance-control stiffening plate, and the inner wall panel of the main wall. The slot forms a structure like a barbed hook.

[0018] The deviation-correcting stiffening block increases the strength of the distance-control stiffening plate, prevents the distance-control stiffening plate from skewing during the entire installation or welding process, ensures that the distance-control return stiffening plate is always perpendicular to the inner and outer wall panels of the main wall, and the deviation-correcting stiffening block cooperates with the distance-control stiffening plate to ensure as accurate alignment as possible with the outer wall panel of the main wall, facilitating the alignment and installation of bolts. At the same time, it ensures that the thickness of the main wall after installation is uniform and the strength is stable, and it is not easy to appear bulging and uneven phenomena after pouring concrete, and the outer wall of the wall is flat and not easy to deform. When welding the distance-control stiffening plate to the inner wall panel of the main wall, the two deviation-correcting surfaces of the deviation-correcting stiffening block abut against the distance-control stiffening plate and the inner wall panel of the main wall, which can assist the operator to conveniently and quickly weld the distance-control stiffening plate vertically to the inner wall panel of the main wall, reducing the working difficulty. During construction, some deviation-correcting stiffening blocks can be welded on the inner wall of the main wall first, and then the distance-control stiffening plate is leaned against the deviation-correcting stiffening block and the inner wall panel of the main wall for welding and fixing, and then deviation-correcting stiffening blocks are welded on the other side of the distance-control stiffening plate.

[0019] Preferably, both the inner and outer wall panels of the corner column are L-shaped plates with an L-shaped cross-section. The two sides of the inner wall panel of the main wall are provided with connecting edges that partially overlap with the outer surface of the corresponding inner wall panel of the corner column, and the two sides of the outer wall of the main wall are provided with connecting edges that partially overlap with the outer surface of the corresponding outer wall panel of the corner column.

[0020] Preferably, when two elevator shafts are arranged adjacent to each other, the two elevator shafts are separated into two shaftways by a partition main wall part connected to the opposite main walls at both ends. The partition main wall part includes one or multiple partition main walls connected up and down. The partition main wall includes partition wall panels located on both sides, partition end wall panels connected to the side ends of the two partition wall panels, and partition concrete columns filled between the partition wall panels and the partition end wall panels. At least the partition wall panel among the partition end wall panel and the partition wall panel is a stainless steel plate, and the rest are carbon steel plates.

[0021] Preferably, short screws are vertically provided on the partition end wall panel, and through holes for passing through the short screws are formed on the main wall inner wall panel connected to the partition end wall panel.

[0022] The construction method of the elevator shaft shear wall described above includes the following steps:

[0023] (1) Prefabricate and pour corner column walls, main wall inner wall panels welded with connectors and deviation correction stiffening blocks, and main wall outer wall panels with perforations;

[0024] (2) Connect the lower end of the corner column wall to the ground or the top of the lower corner column wall;

[0025] (3) Weld the two side ends of the main wall inner wall panel to the corner column inner wall panel of the already installed corner column wall, and weld the lower end of the main wall inner wall panel to the ground or the top end of the lower main wall inner wall panel;

[0026] (4) Connect the main wall outer wall panel to the main wall inner wall panel. The long bolts and short bolts pass through the through holes of the main wall outer wall panel respectively, and then are tightened with nuts to fix the main wall outer wall panel. Then weld the two side ends of the main wall outer wall panel to the corner column outer wall panel of the already installed corner column wall, and weld the lower end of the main wall outer wall panel to the ground or the top end of the lower main wall outer wall panel;

[0027] (5) Pour concrete between the main wall inner wall panel, the main wall outer wall panel and the corner column wall to form a main wall concrete layer;

[0028] (6) Repeat steps (2) to (6) above to build the elevator shaft shear wall of the upper layer.

[0029] Here, the upper layer refers to a section of the main wall and / or a section of the corner column wall. The height of each section of the main wall area or the corner column wall can be equivalent to the height of one floor or multiple floors of the building.

[0030] When two elevator shafts are arranged adjacent to each other, first prefabricate and pour the partition wall panel and the partition end wall panel with concrete, and then install the entire prefabricated partition main wall. During installation, one side end is connected to the already installed main wall inner wall panel, and when installing the main wall inner wall panel on the other side end, it is connected to the partition end wall panel at the same time. Similarly, long bolts and distance control stiffening plates can be provided between the partition wall panels and the main wall for reinforcement and distance control connection.

[0031] The corner column wall and the partition main wall are both poured with concrete before installation, and after curing to a certain strength, they are hoisted as a whole. On the one hand, most of the components are prefabricated, saving construction time. On the other hand, on this basis, it can stably serve as the support for the construction of the main wall components, that is, the prefabricated concrete components can be used as the force-bearing support, and the construction platform board can be directly placed on it.

[0032] During construction, if an operating platform is needed, it can be set up on the floor slab of this layer or the shear wall of the lower layer. After the corner column wall is installed, it is welded to the inner wall panel of the main wall. The construction operation is basically completed inside the inner wall panel of the main wall, that is, mainly not completed inside the shaft. No complex construction supports are required, and the exclusive method of first building formwork and supports and then constructing the shear wall of the elevator shaft is cancelled. The construction is more time-saving and labor-saving, with low cost, and the construction safety is well guaranteed.

[0033] In summary, the present invention has the following beneficial effects:

[0034] 1. During the construction of the shear wall of the present application, if an operating platform is needed, it can be set up on the floor slab of this layer or the shear wall of the lower layer. After the corner column wall is installed, it is welded to the inner wall panel of the main wall. The construction operation is basically completed inside the inner wall panel of the main wall, that is, mainly not completed inside the shaft. No complex construction supports are required, and the exclusive method of first building formwork and supports and then constructing the shear wall of the elevator shaft is cancelled. The construction is more time-saving and labor-saving, with low cost, and the construction safety is well guaranteed.

[0035] 2. All the steel plates inside the elevator shaft are made of stainless steel, which enhances the durability of the steel plate shear wall, reduces the potential safety hazards and maintenance costs of later maintenance, has good economic benefits, and conforms to the building concept of sustainable development.

[0036] 2. The structure of the present application is simple, with low cost, convenient installation, safe operation and convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic structural diagram of the present application.

[0038] Figure 2 is a schematic structural diagram of two adjacent elevator shafts.

[0039] Figure 3 is a schematic structural diagram of the corner column wall.

[0040] Figure 4 is a schematic structural diagram of the inner wall panel of the main wall Figure 1 .

[0041] Figure 5 is a schematic structural diagram of the inner wall panel of the main wall Figure 2 .

[0042] Figure 6 is a schematic structural diagram of the outer wall panel of the main wall.

[0043] Figure 7 is a schematic structural diagram of the inner wall panel of the main wall with deviation correction stiffening blocks Figure 1 .

[0044] Figure 8 It is a schematic diagram of the distance control stiffening plate structure.

[0045] Figure 9 It is a schematic diagram of the main wall inner wall panel with deviation correction stiffening blocks. Figure 2 。

[0046] Figure 10 It is a schematic diagram of the partition main wall structure. Specific implementation manners

[0047] The present invention will be further described in detail below with reference to the accompanying drawings.

[0048] This specific embodiment is only an interpretation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0049] Embodiment 1:

[0050] A shear wall of an elevator shaft includes a corner column wall portion located at the corner of the elevator shaft and a main wall portion connected between adjacent corner column wall portions. The corner column wall portion includes one or multiple sections of corner column walls 1 connected up and down, and the main wall portion includes one or multiple main walls 2 connected up and down; the corner column wall includes a corner column inner wall panel 11 located inside the elevator shaft, a corner column outer wall panel 12 located outside the elevator shaft, a corner column end plate 13 connected between the corresponding corner column inner and outer wall panels, and a corner concrete column 3 filled in the corner column cavity formed by the corner column inner and outer wall panels and the corner column end plate; the main wall includes a main wall inner wall panel 21 located inside the elevator shaft, a main wall outer wall panel 22 located outside the elevator shaft, several connecting members connected between the main wall inner and outer wall panels, and a main wall concrete layer 5 filled between the corresponding main wall inner wall panel, main wall outer wall panel and corner column wall.

[0051] At least the corner column inner wall panel and the main wall inner wall panel among the corner column inner wall panel, corner column outer wall panel, corner column end plate, main wall inner wall panel, main wall outer wall panel and corner column wall are made of stainless steel plates, and the rest are carbon steel plates.

[0052] Embodiment 2:

[0053] The difference from the above embodiment is that all the steel plates inside the elevator shaft are made of stainless steel, which enhances the durability of the steel plate shear wall, reduces the potential safety hazards and maintenance costs of later maintenance, has good economic benefits, and conforms to the building concept of sustainable development.

[0054] The connecting member is a long screw 23 with one end connected to the inner side of the main wall inner wall panel and the other end passing through the main wall outer wall panel, and a nut is screwed on the outer part of the screw passing through the main wall outer wall panel.

[0055] The connecting member includes a distance-controlling stiffening plate 24 connected between the main wall inner wallboard and the main wall outer wallboard, one side of the distance-controlling stiffening plate is welded to the inner side surface of the main wall inner wallboard, and the other side is connected to the main wall outer wallboard through a short screw passing through the main wall outer wallboard, the width of the distance-controlling stiffening plate is equal to the spacing between the inner and outer wallboards of the corner column, and the distance-controlling stiffening plate is provided with a plurality of through holes 25 for connecting the spaces on both sides of the distance-controlling stiffening plate. The through holes are polygonal through holes arranged in a staggered manner.

[0056] The controlled distance stiffening plate can enhance the connection strength between the inner and outer wall panels of the main wall, and ensure that the two are accurately aligned under the premise of convenient installation, and at the same time ensure that the thickness of the main wall after installation is uniform, the strength is stable, and it is not easy to bulge and uneven after pouring concrete, and the outer wall surface is flat and not easy to deform. At the same time, under the action of horizontal reciprocating loads, the deformation coefficients of the wall panels and concrete are different, and the inner and outer wall panels of the main wall are not easy to be offset or separated from the concrete, ensuring that they can work closely with each other.

[0057] The through holes can be arranged in a polygonal structure. The arrangement of the through holes can enhance the constraint of the inner and outer wall panels of the main wall on the concrete, improve the shear resistance between the steel plate and the concrete, and improve the integrity of the shear wall.

[0058] Both the long screw and the short screw are made of carbon rod material. The threaded carbon steel screw is processed by factory welding and can be constructed by factory assembly line with high production efficiency. Bolts are used on site to connect the carbon steel plate, i.e. the main wall exterior panel, with the threaded carbon steel screw, which reduces the operating requirements for skilled workers and can reduce labor costs to a certain extent.

[0059] Embodiment three:

[0060] The difference from the above embodiment is that the distance control stiffening plate is vertically connected with a connecting strip 241 on at least one side close to the main wall exterior wall panel, and the short screw is connected to the connecting strip; the distance control stiffening plate is a vertical distance control stiffening plate arranged along the gravity direction in the length direction; the length of the vertical distance control stiffening plate is equal to the height of the main wall interior wall panel and the main wall exterior wall panel, and the upper and lower ends are flush with the upper and lower ends of the main wall exterior wall panel.

[0061] At least two distance-controlling stiffening plates are arranged in the horizontal direction in each main wall, and long screws are evenly arranged on both sides of the distance-controlling stiffening plates. A correction stiffening block 26 is provided on at least one side of the surface of the distance-controlling stiffening plates. The correction stiffening block includes two correction surfaces 261 perpendicular to each other, and the two correction surfaces are respectively fitted and connected with the distance-controlling stiffening plate and the inner wall panel surface of the main wall.

[0062] Embodiment 4:

[0063] The difference from the above embodiment is that the rectifying surface is a triangular surface. The rectifying stiffening block further includes an upper surface 263 and a lower surface 264 on the outer side. Both the upper and lower surfaces are triangular surfaces, and at least the lower surface gradually extends upward from the connection corner of the distance control stiffening plate and the inner wall panel of the main wall, so that the included angle between the lower surface and the distance control stiffening plate and the inner wall panel of the main wall is greater than 90 degrees, and the included angle between the upper surface on the outer side of the stiffening block and the distance control stiffening plate and the inner wall panel of the main wall is less than 90 degrees. The settings of the rectifying surface and the upper and lower surfaces of the rectifying stiffening block make there be a relatively unfolded space below the rectifying stiffening block, and a recessed groove 262 is formed above, so that the space below formed by the rectifying stiffening block, the distance control stiffening plate and the inner wall panel of the main wall, which is not easy to fill with concrete, can be fully filled with concrete and is not easy to form voids, ensuring the bonding strength between the concrete and the rectifying stiffening block, the distance control stiffening plate and the inner wall panel of the main wall. At the same time, the space above formed by the connection of the rectifying stiffening block, the distance control stiffening plate and the inner wall panel of the main wall is in the shape of a recessed groove, and the concrete poured from top to bottom is easy to gather and solidify in this recessed groove, so that a tight bite and hook structure, that is, a structure like a barbed hook, is formed between the concrete and the rectifying stiffening block, the distance control stiffening plate and the inner wall panel of the main wall, further improving the connection strength between the concrete and the rectifying stiffening block, the distance control stiffening plate and the inner wall panel of the main wall, preventing the concrete from detaching or staggering from each component, and greatly enhancing the stability and strength of the shear wall.

[0064] The rectifying stiffening block increases the strength of the distance control stiffening plate, prevents the distance control stiffening plate from skewing during the whole installation or welding process, ensures that the distance control and return stiffening plate is always perpendicular to the inner and outer wall panels of the main wall, and the rectifying stiffening block cooperates with the distance control stiffening plate to ensure as accurate alignment as possible with the outer wall panel of the main wall, facilitating the alignment and installation of bolts. At the same time, it ensures that the thickness of the main wall after installation is uniform and the strength is stable, and it is not easy to appear bulging and uneven phenomena after pouring concrete, and the outer wall surface is flat and not easy to deform. When welding the distance control stiffening plate to the inner wall panel of the main wall, the two rectifying surfaces of the rectifying stiffening block are abutted against the distance control stiffening plate and the inner wall panel of the main wall, so that it can assist the operator to weld the distance control stiffening plate vertically to the inner wall panel of the main wall conveniently and quickly, reducing the working difficulty. During construction, some rectifying stiffening blocks can be welded on the inner wall surface of the main wall first, then the distance control stiffening plate is leaned against the rectifying stiffening block and the inner wall panel of the main wall for welding and fixing, and then rectifying stiffening blocks are welded on the other side of the distance control stiffening plate.

[0065] Embodiment Five:

[0066] The difference from the above embodiment is that both the inner and outer wall panels of the corner column are L-shaped plates with an L-shaped cross-section. Connection edges 211 that partially overlap with the outer surface of the corresponding inner wall panel of the corner column are provided on both sides of the inner wall panel of the main wall, and connection edges 211 that partially overlap with the outer surface of the corresponding outer wall panel of the corner column are provided on both sides of the outer wall of the main wall.

[0067] Embodiment Six:

[0068] The difference from the above embodiments is that when two elevator shafts are arranged adjacent to each other, the two elevator shafts are partitioned into two hoistways by a partition main wall portion whose two ends are connected to the opposite main walls. The partition main wall portion includes one or multiple partition main walls connected vertically up and down. The partition main wall includes partition wall panels 61 on both sides, partition end wall panels 62 connected to the side ends of the two partition wall panels, and partition concrete columns 63 filled between the partition wall panels and the partition end wall panels. At least the partition wall panels among the partition end wall panels and the partition wall panels are made of stainless steel plates, and the rest are made of carbon steel plates.

[0069] Short screws are vertically provided on the partition end wall panels, and through holes for passing through the short screws are formed in the inner wall panels of the main walls connected to the partition end wall panels.

[0070] The construction method of the shear wall of the above elevator shaft includes the following steps:

[0071] (1). Prefabricate and pour corner column walls, inner wall panels of the main walls welded with connectors and deviation correction stiffening blocks, and outer wall panels of the main walls with perforations;

[0072] (2). Connect the lower end of the corner column wall to the ground or the top of the corner column wall below;

[0073] (3). Weld the two side ends of the inner wall panel of the main wall to the inner wall panels of the corner columns of the corner column walls that have been installed, and weld the lower end of the inner wall panel of the main wall to the ground or the top end of the inner wall panel of the main wall below;

[0074] (4). Connect the outer wall panel of the main wall to the inner wall panel of the main wall. Long bolts and short bolts pass through the through holes of the outer wall panel of the main wall respectively, and then are tightened with nuts to fix the outer wall panel of the main wall. Then, weld the two side ends of the outer wall panel of the main wall to the outer wall panels of the corner columns of the corner column walls that have been installed, and weld the lower end of the outer wall panel of the main wall to the ground or the top end of the outer wall panel of the main wall below;

[0075] (5). Pour concrete into the space between the inner wall panel of the main wall, the outer wall panel of the main wall and the corner column wall for filling and casting to form the main wall concrete layer;

[0076] (6). Repeat steps (2) to (6) above to build the shear wall of the elevator shaft on the upper layer.

[0077] Here, the upper layer refers to a section of the main wall and / or a section of the corner column wall. The height of each section of the main wall area or the corner column wall can be equivalent to the height of one or multiple floors of the building.

[0078] When two elevator shafts are arranged adjacent to each other, first prefabricate the partition wall panels and partition end wall panels and pour the concrete well. Then install the entire prefabricated partition main wall. During installation, connect one side end to the installed main interior wall panel, and when installing the main wall interior wall panel at the other side end, connect it to the partition end wall panel at the same time. Similarly, long bolts and distance control stiffening plates can be set between the partition wall panels and the main wall for reinforced distance control connection.

[0079] The corner column wall and the partition main wall are both poured with concrete before installation. After curing to a certain strength, they are hoisted as a whole. In this way, on the one hand, most components are prefabricated, saving construction time. On the other hand, on this basis, it can be stably used as a support for the construction of the main wall components, that is, the prefabricated concrete components can be used as the force-bearing support, and the construction platform board can be directly placed on it.

[0080] Above the reserved hole at the elevator entrance, carbon steel plates are used as the bottom seal of the lintel.

[0081] During construction, if an operating platform is needed, the operating platform can be set up on the floor of this layer or the shear wall of the lower layer. After the corner column wall is installed, it is welded to the interior wall panel of the main wall. The construction operation is basically completed inside the interior wall panel of the main wall, that is, mainly not completed inside the shaft, without the need for a complex construction support, canceling the exclusive method of first building the formwork and support and then constructing the elevator shaft shear wall. The construction is more time-saving and labor-saving, with low cost, and the construction safety is well guaranteed.

Claims

1. An elevator shaft shear wall, characterized in that: It includes corner column wall parts located at the corners of the elevator shaft and main wall parts connected between adjacent corner column wall parts. The corner column wall parts include one or multiple sections of corner columns walls (1) connected up and down. The main wall parts include one or multiple sections of main walls (2) connected up and down. The corner column wall includes a corner column inner wall panel (11) located inside the elevator shaft, a corner column outer wall panel (12) located outside the elevator shaft, a corner column end plate (13) connected between the corresponding corner column inner and outer wall panels, and a corner concrete column (3) filled in the corner column cavity formed by enclosing the corner column inner and outer wall panels and the corner column end plate. The main wall includes a main wall inner wall panel (21) located inside the elevator shaft, a main wall outer wall panel (22) located outside the elevator shaft, several connecting pieces connected between the main wall inner and outer wall panels, and a main wall concrete layer (5) filled between the corresponding main wall inner wall panel, main wall outer wall panel and corner column wall; At least two distance-control stiffening plates are arranged horizontally in each main wall. Long screws are evenly distributed on both sides of the distance-control stiffening plate. At least one side surface of the distance-control stiffening plate is provided with a deviation-correcting stiffening block (26). The deviation-correcting stiffening block includes two mutually perpendicular deviation-correcting surfaces (261). The two deviation-correcting surfaces are respectively attached and connected to the surfaces of the distance-control stiffening plate and the main wall inner wall panel. The deviation-correcting surface is a triangular surface. The deviation-correcting stiffening block further includes an upper surface (263) and a lower surface (264) located on the outside. Both the upper and lower surfaces are triangular surfaces and at least the lower surface gradually extends upward from the connecting corner of the distance-control stiffening plate and the main wall inner wall panel, so that the angle between the lower surface and the distance-control stiffening plate and the main wall inner wall panel is greater than 90 degrees, and the angle between the upper surface on the outside of the stiffening block and the distance-control stiffening plate and the main wall inner wall panel is less than 90 degrees, so that an inwardly recessed groove (262) is formed in the upper space formed by connecting the deviation-correcting stiffening block, the distance-control stiffening plate and the main wall inner wall panel; At least the corner column inner wall panel and the main wall inner wall panel of the corner column inner wall panel, corner column outer wall panel, corner column end plate, main wall inner wall panel, main wall outer wall panel and corner column wall are stainless steel plates, and the rest are carbon steel plates.

2. The elevator shaft shear wall according to claim 1, characterized in that: The connecting piece is a long screw (23) with one end connected to the inner side of the main wall inner wall panel and the other end passing through the main wall outer wall panel. A nut is screwed on the outer part of the screw passing through the main wall outer wall panel.

3. The elevator shaft shear wall according to claim 1, characterized in that: The connecting piece includes a distance-control stiffening plate (24) connected between the main wall inner wall panel and the main wall outer wall panel. One side of the distance-control stiffening plate is welded to the inner side surface of the main wall inner wall panel, and the other side is connected to the main wall outer wall panel through a short screw passing through the main wall outer wall panel. The width of the distance-control stiffening plate is equal to the distance between the corner column inner and outer wall panels. A plurality of through holes (25) for communicating the spaces on both sides of the distance-control stiffening plate are opened on the distance-control stiffening plate.

4. The elevator shaft shear wall according to claim 3, characterized in that: The distance-control stiffening plate is vertically connected with at least one connecting plate strip (241) on the side close to the outer wall panel of the main wall, and the short screw is connected to the connecting plate strip; the distance-control stiffening plate is a vertical distance-control stiffening plate with its length direction arranged along the gravity direction; the length of the vertical distance-control stiffening plate is equal to the height of the inner wall panel and the outer wall panel of the main wall where it is located, and the upper and lower ends are flush with the upper and lower ends of the outer wall panel of the main wall, and the through holes are polygon through holes arranged in a staggered manner.

5. The shear wall of an elevator shaft according to claim 1, characterized in that: Both the inner and outer wall panels of the corner column are L-shaped plates with an L-shaped cross section. Connecting edges (211) that partially overlap with the outer surface of the corresponding inner wall panel of the corner column are provided on both sides of the inner wall panel of the main wall, and connecting edges (211) that partially overlap with the outer surface of the corresponding outer wall panel of the corner column are provided on both sides of the outer wall of the main wall.

6. The shear wall of an elevator shaft according to claim 1, characterized in that: When two elevator shafts are arranged adjacent to each other, the two elevator shafts are separated into two shaftways by a partition main wall part connected to the opposite main walls at both ends. The partition main wall part includes one or multiple partition main walls connected up and down. The partition main wall includes partition wall panels (61) located on both sides, partition end wall panels (62) connected to the side ends of the two partition wall panels, and partition concrete columns (63) filled between the partition wall panels and the partition end wall panels. At least the partition wall panels among the partition end wall panels and the partition wall panels are made of stainless steel plates, and the rest are made of carbon steel plates.

7. The shear wall of an elevator shaft according to claim 6, characterized in that: Short screws are vertically provided on the partition end wall panels, and through holes for passing through the short screws are formed on the inner wall panel of the main wall connected to the partition end wall panels.

8. The construction method of the shear wall of an elevator shaft according to any one of claims 1-7 above, characterized in that: It includes the following steps: Step 1, precast and pour the corner column wall, the inner wall panel of the main wall welded with connecting pieces and deviation-correcting stiffening blocks, and the outer wall panel of the main wall with perforations; Step 2, connect the lower end of the corner column wall to the ground or the top of the lower corner column wall; Step 3, weld the two side ends of the inner wall panel of the main wall to the inner wall panel of the corner column of the corner column wall that has been installed, and weld the lower end of the inner wall panel of the main wall to the ground or the top end of the lower inner wall panel of the main wall; Step 4, connect the outer wall panel of the main wall to the inner wall panel of the main wall. The long bolts and short bolts pass through the through holes of the outer wall panel of the main wall respectively, and then are tightened with nuts to fix the outer wall panel of the main wall. Then, weld the two side ends of the outer wall panel of the main wall to the outer wall panel of the corner column of the corner column wall that has been installed, and weld the lower end of the outer wall panel of the main wall to the ground or the top end of the lower outer wall panel of the main wall; Step 5, pour concrete between the inner wall panel of the main wall, the outer wall panel of the main wall and the corner column wall to form a main wall concrete layer; Step 6, repeat steps 2 to 5 above to build the shear wall of the elevator shaft on the upper layer.

Images