Construction method of external wall insulation block cast-in-place beam structure column

Abstract

The present application relates to the technical field of building engineering, and particularly to a construction method of a structure column of an external wall insulation block cast-in-place tie beam, comprising the following steps: firstly, accurately arranging a thermal insulation integrated plate outside the thermal insulation block to ensure the mold size and reinforcement quality of the cast-in-place tie beam and the structure column; reserving the positions of the structure column and the tie beam in advance during the process of laying the thermal insulation block at a large-span door and window hole joint; after the reinforcing bars are planted, binding the reinforcing cage; using the thermal insulation integrated plate to mold the outside of the thermal insulation block and using the wooden formwork to mold the remaining sides of the thermal insulation block; after the concrete is poured, removing the inside wooden formwork and reserving the outside thermal insulation integrated plate; the beneficial effects are that the thermal insulation of the cast-in-place part and the external thermal insulation of the thermal insulation block are integrated, and the cold bridge phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building engineering, in particular to a construction method of a cast-in-situ tie beam structure column of an external wall insulation block. BACKGROUND

[0002] With the continuous development of building technology, building external wall energy saving is paid more and more attention by people, and the external wall insulation block is more and more widely used in the external wall masonry of the frame structure, so that the synchronous construction of the external wall masonry and the external wall insulation is realized.

[0003] However, in the actual construction process, a large-span door and window hole with a width of more than four meters is often encountered, and the ordinary core column and the U-shaped block tie beam cannot meet the installation requirements of the door and window, and the cast-in-situ tie beam structure column will cause the cold bridge problem, therefore, the present application provides a construction method of a cast-in-situ tie beam structure column of an external wall insulation block to solve the above problems. SUMMARY

[0004] The present application aims to provide a construction method of a cast-in-situ tie beam structure column of an external wall insulation block to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a construction method of a cast-in-situ tie beam structure column of an external wall insulation block, including the following specific steps:

[0006] S1, using BIM technology, drawing a large-span door and window hole node model, optimizing the node, optimizing the anchor bar arrangement, and arranging the insulation integrated plate outside the external wall insulation block;

[0007] S2, through the deepening and confirmation of the component processing drawing, reserving the counter-bolt hole during the production of the formwork-free insulation integrated plate, accurately arranging and sizing the optimized insulation integrated plate, and ensuring the mold size and reinforcement quality of the cast-in-situ tie beam and the structure column;

[0008] S3, reserving the structure column and tie beam anchor bar position in advance during the masonry process of the large-span door and window hole node insulation block, and binding the reinforcement cage after the anchor bar is completed;

[0009] S4, using the insulation integrated plate for mold matching outside the external wall insulation block, using the wood formwork for mold matching on the remaining side of the external wall insulation block, firmly connecting the insulation integrated plate and the auxiliary plate inside with the counter-bolt, and reserving the horn mouth at the top of the structure column formwork for convenient pouring;

[0010] S5, to ensure the stability of the large-span cast-in-situ tie beam formwork, the scaffold can be used for support below the tie beam formwork, the inside wood formwork is removed after the concrete pouring is completed, and the outside insulation integrated plate is reserved.

[0011] Preferably, the heat preservation integrated plate is fixedly connected with the inner side auxiliary plate in the wall formed by the heat preservation building blocks, a limiting plate is arranged on the upper surface of the wall formed by the heat preservation building blocks, and the limiting plate is in overall " " shaped plate structure.

[0012] Preferably, a fixed base is arranged on the side of the wall formed by the heat preservation building blocks, a positioning ring is arranged on the surface of the fixed base, a steel reinforcement cage can be inserted into the positioning ring, the steel reinforcement cage can also be placed in the limiting plate, and the positioning ring is fixedly connected to the surface of the fixed base.

[0013] Preferably, the wood form plate is fixedly connected to the inner side of the wall formed by the heat preservation building blocks, a separation plate is arranged on the surface of the wood form plate, the separation plate is glued to the surface of the wood form plate, and the wood form plate can cover the side of the steel reinforcement cage.

[0014] Preferably, a pouring beam form plate is arranged on the side of the wall formed by the heat preservation building blocks, a fixed base plate is arranged at the bottom of the pouring beam form plate, the fixed base plate is fixedly connected to the bottom of the beam form plate by means of bolts, a placing groove is formed in the surface of the fixed base plate, and the long side length of the side of the placing groove is equal to the long side length of the side of the fixed base plate.

[0015] Preferably, a vertical plate is arranged on the surface of the fixed base plate, a hole is formed in the side of the vertical plate, a supporting shaft is arranged in the hole, a moving seat is sleeved on the surface of the supporting shaft, and the moving seat can rotate around the supporting shaft.

[0016] Preferably, a threaded pipe is arranged on the side of the moving seat, two groups of threaded pipes are symmetrically distributed about the center line of the long side of the fixed base plate, a lifting screw rod is screwed in the threaded pipe, and the lifting screw rod can be retracted from the threaded pipe by rotating the lifting screw rod.

[0017] Preferably, the lifting screw rod is provided with two groups, a limiting groove is formed in the end face of one group of lifting screw rods, a groove is formed in the end face of the other group of lifting screw rods, a traction spring is arranged in the groove, and a limiting through hole is formed in the side of the groove.

[0018] Preferably, the traction spring is movably provided with a limiting rod, a limiting block is arranged on the side of the limiting rod, the limiting block is inserted into the limiting through hole, the limiting block can move in the limiting through hole, one end of the traction spring is fixedly connected to the end face of the groove, the other end of the traction spring is fixedly connected to the end face of the limiting rod, and one end of the limiting rod can be inserted into the limiting groove.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] The construction method of the external wall insulation block cast-in-place tie beam structure column provided by the application uses BIM technology to draw a large-span door and window hole node model, optimizes the node, optimizes the anchoring arrangement, accurately arranges and sizes the optimized insulation integrated plate, installs the insulation integrated plate on the outer side of the wall body, uses a wood formwork to match the formwork on the remaining side, the insulation integrated plate and the inner side auxiliary plate are connected firmly through the use of a tension bolt, a horn mouth is reserved at the top of the formwork of the structure column to facilitate pouring, then the wood formwork on the inner side is removed after the completion of the pouring of the concrete, and the insulation integrated plate on the outer side is reserved, so that the insulation of the cast-in-place part and the external insulation of the insulation block are integrated, and the emergence of a cold bridge is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the application;

[0022] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of position A in the middle;

[0023] Figure 3 It is a structural schematic diagram after the insulation integrated plate is removed;

[0024] Figure 4 It is a structural schematic diagram when the structure of the application is inclined;

[0025] Figure 5 It is a structural plan view of the application;

[0026] Figure 6 It is Figure 5 It is an enlarged structural schematic diagram of position B in the middle;

[0027] Figure 7 It is a structural schematic diagram of the fixed bottom plate of the application;

[0028] Figure 8 It is Figure 7 It is an enlarged structural schematic diagram of position C.

[0029] In the figure: 1, insulation integrated plate; 2, insulation block; 3, steel reinforcement cage; 4, auxiliary plate; 5, tie beam formwork; 6, limiting plate; 7, fixed base; 8, positioning ring; 9, disengagement plate; 10, fixed bottom plate; 11, placing groove; 12, vertical plate; 13, support shaft; 14, moving seat; 15, threaded pipe; 16, lifting screw; 17, limiting groove; 18, groove; 19, traction spring; 20, limiting through hole; 21, limiting rod; 22, limiting block; 23, wood formwork; 24, tension bolt hole. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, not all embodiments, and are only used to explain the embodiments of the present application, and do not limit the embodiments of the present application. All other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is obvious to those skilled in the art that the embodiments can not be limited to these specific details in practice. In some examples, well-known methods and structures are not described in detail to avoid unnecessarily complicating the embodiments. In addition, all embodiments can be used in combination with each other.

[0034] Embodiment one

[0035] Please refer to Figures 1 to 8 The present application provides a technical scheme: a construction method of a structure column of an external wall insulation block cast-in-place beam system, characterized by: comprising the following specific steps:

[0036] S1, using BIM technology, drawing large-span door and window opening node model, optimizing the node, optimizing the anchoring arrangement, and arranging the thermal integration plate 1 outside the thermal insulation block 2;

[0037] S2, through the deepening and confirmation of the component processing drawing, the pre-tensioning bolt hole 24 is reserved during the production of the formwork stripping thermal integration plate 1, the optimized thermal integration plate 1 is accurately arranged and sized, and the mold size and reinforcement quality of the cast-in-place beam and the structural column are ensured;

[0038] S3, during the construction of the thermal insulation block 2 in the large-span door and window opening node, the anchoring position of the structural column and the beam is reserved in advance, and after the anchoring is completed, the steel reinforcement cage 3 is bound;

[0039] S4, the thermal integration plate 1 is used for mold matching outside the thermal insulation block 2, the wood formwork 23 is used for mold matching on the remaining sides of the thermal insulation block 2, the thermal integration plate 1 and the auxiliary plate 4 inside are connected firmly by the pre-tensioning bolt, and the horn mouth is reserved at the top of the structural column formwork for convenient pouring;

[0040] S5, in order to ensure the stability of the large-span cast-in-place beam formwork 5, the scaffold can be used for supporting below the beam formwork 5, after the concrete pouring is completed, the wood formwork 23 inside is removed, and the thermal integration plate 1 outside is reserved.

[0041] In use, BIM technology is used to draw a large-span door and window opening node model, optimize the node, optimize the anchoring arrangement, accurately arrange and size the optimized thermal integration plate 1, install the thermal integration plate 1 outside the wall, use the wood formwork 23 for mold matching on the remaining sides of the wall, firmly connect the thermal integration plate 1 and the auxiliary plate 4 inside by the pre-tensioning bolt, reserve the horn mouth at the top of the structural column formwork for convenient pouring, then remove the wood formwork 23 inside after the concrete pouring is completed, and reserve the thermal integration plate 1 outside, so as to realize the integration of the thermal insulation of the cast-in-place part and the external thermal insulation of the thermal insulation block 2, and avoid the occurrence of cold bridge phenomenon.

[0042] Example two

[0043] On the basis of example one, the thermal integration plate 1 is arranged to improve the safety of the external wall thermal insulation, the thermal integration plate 1 and the auxiliary plate 4 inside are fixedly connected in the wall formed by the thermal insulation block 2, the limiting plate 6 is arranged on the upper surface of the wall formed by the thermal insulation block 2, the limiting plate 6 is in the shape of a " " type plate structure, the fixed base 7 is arranged on the side surface of the wall formed by the thermal insulation block 2, the positioning ring 8 is arranged on the surface of the fixed base 7, the steel reinforcement cage 3 can be inserted into the positioning ring 8, the steel reinforcement cage 3 can also be placed in the limiting plate 6, and the positioning ring 8 is fixedly connected to the surface of the fixed base 7;

[0044] The use of the heat preservation integrated board 1 reduces the construction difficulty of the cast-in-situ beam structure column, improves the form removal efficiency, effectively avoids the safety hidden danger of form removal on the outer side of the wall, and avoids form removal on the outer side of the wall through the cooperation of the heat preservation integrated board 1 and the auxiliary plate 4. Meanwhile, the heat preservation of the cast-in-situ part is synchronous with the heat preservation of the outer side of the heat preservation block 2 to form a whole, the cold bridge of the cast-in-situ part is avoided, the integrity and energy-saving efficiency of the external wall heat preservation are greatly improved, and the green construction image is improved.

[0045] The positioning ring 8 is arranged to conveniently position and fix the bottom of the vertical steel reinforcement cage 3, and the limiting plate 6 is arranged to limit the horizontal steel reinforcement cage 3, so as to avoid the deviation of the horizontal steel reinforcement cage 3.

[0046] The wood formwork 23 is fixedly connected to the inner side of the wall formed by the heat preservation block 2, the wood formwork 23 is provided with a separation plate 9 on the surface, the separation plate 9 is glued to the surface of the wood formwork 23, the wood formwork 23 can cover the side of the steel reinforcement cage 3, and the separation plate 9 is arranged to conveniently separate the wood formwork 23 from the concrete, so as to avoid the adhesion of the concrete to the surface of the wood formwork 23.

[0047] Embodiment three

[0048] On the basis of the embodiment two, a fixed bottom plate 10 is arranged to conveniently support the bottom of the cast-in-situ beam formwork 5. The wall formed by the heat preservation block 2 is provided with the cast-in-situ beam formwork 5, the bottom of the cast-in-situ beam formwork 5 is provided with the fixed bottom plate 10, the fixed bottom plate 10 is fixedly connected to the bottom of the beam formwork 5 by means of bolts, the surface of the fixed bottom plate 10 is provided with a placing groove 11, the side surface of the placing groove 11 has a length equal to that of the side surface of the fixed bottom plate 10, the surface of the fixed bottom plate 10 is provided with a vertical plate 12, the side surface of the vertical plate 12 is provided with a hole, a supporting shaft 13 is arranged in the hole, the surface of the supporting shaft 13 is sleeved with a moving seat 14, the moving seat 14 can rotate around the supporting shaft 13, the side surface of the moving seat 14 is provided with a threaded tube 15, there are two groups of the threaded tubes 15, the two groups of the threaded tubes 15 are symmetrically distributed about the center line of the side surface of the fixed bottom plate 10, a lifting screw rod 16 is screwed in the threaded tube 15, and the lifting screw rod 16 can be extended and retracted in the threaded tube 15 by rotating the lifting screw rod 16.

[0049] When the bottom of the cast-in-situ beam formwork 5 needs to be supported in use, the threaded tube 15 can be first pulled out of the fixed bottom plate 10 around the supporting shaft 13, then the lifting screw rod 16 can be rotated to extend out of the threaded tube 15, and the one end of the lifting screw rod 16 can abut against the ground to support the bottom of the cast-in-situ beam formwork 5 in cooperation with the threaded tube 15, so that the bottom of the cast-in-situ beam formwork 5 can be conveniently supported when the number of scaffolds is insufficient.

[0050] In order to further facilitate the use of the lifting screw 16, a limiting rod 21 is arranged, two groups of the lifting screw 16 are arranged, one group of the lifting screw 16 is arranged with a limiting groove 17 on the end face, and the other group of the lifting screw 16 is arranged with a groove 18 on the end face, the traction spring 19 is arranged in the groove 18, the limiting through hole 20 is arranged on the side of the groove 18, the limiting rod 21 is movably arranged in the traction spring 19, the limiting block 22 is arranged on the side of the limiting rod 21, the limiting block 22 is inserted into the limiting through hole 20, the limiting block 22 can move in the limiting through hole 20, one end of the traction spring 19 is fixedly connected to the end face of the groove 18, the other end of the traction spring 19 is fixedly connected to the end face of the limiting rod 21, and one end of the limiting rod 21 can be inserted into the limiting groove 17.

[0051] When the threaded pipe 15 is not used in use, the limiting rod 21 can be pushed back first so that the limiting rod 21 extends into the groove 18, then the two groups of threaded pipes 15 can be rotated, when the two groups of threaded pipes 15 are located on a straight line, the limiting rod 21 is loosened, the limiting rod 21 is reset by the elastic force of the traction spring 19, so that one end of the limiting rod 21 is inserted into the limiting groove 17 arranged on the end face of the other group of lifting screw 16, the two groups of threaded pipes 15 can be fixed in the fixed bottom plate 10 and cannot be separated, and the limiting block 22 can avoid the limiting rod 21 from separating from the groove 18 and plays a limiting role.

[0052] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A construction method for cast-in-place tie beams and columns using exterior wall insulation blocks, characterized in that: The specific steps are as follows: S1. Using BIM technology, draw a model of the large-span door and window opening nodes, optimize the nodes, optimize the rebar arrangement, and arrange the insulation integrated board (1) on the outside of the insulation block (2). S2, through the refinement and confirmation of the component processing drawings, the tie bolt holes (24) are reserved during the production of the non-removable integrated insulation board (1). The optimized integrated insulation board (1) is precisely laid out and sized to ensure the mold matching dimensions and reinforcement quality of the cast-in-place tie beams and structural columns. S3, during the construction of the thermal insulation block (2) at the large span door and window opening, the position for the rebar of the structural column and tie beam is reserved in advance. After the rebar is installed, the steel cage (3) is tied. S4, the outer side of the thermal insulation block (2) is fitted with an integrated thermal insulation board (1), and the other sides of the thermal insulation block (2) are fitted with a wooden template (23). The integrated thermal insulation board (1) and the inner auxiliary board (4) are firmly connected by tie bolts. The top of the structural column template is reserved with a flared opening for easy pouring. S5. To ensure the stability of the large-span cast-in-place tie beam formwork (5), scaffolding is used to support the tie beam formwork (5). After the concrete is poured, the inner wooden formwork (23) is removed and the outer integrated insulation board (1) is retained. The wall formed by the thermal insulation block (2) is provided with a casting tie beam template (5) on the side. A fixed base plate (10) is provided at the bottom of the casting tie beam template (5). The fixed base plate (10) is fixedly connected to the bottom of the tie beam template (5) by bolts. A placement groove (11) is opened on the surface of the fixed base plate (10). The length of the long side of the placement groove (11) is equal to the length of the long side of the fixed base plate (10). The fixed base plate (10) is provided with a vertical plate (12), and a hole is provided on the side of the vertical plate (12). A support shaft (13) is provided in the hole, and a movable seat (14) is sleeved on the surface of the support shaft (13). The movable seat (14) rotates around the support shaft (13). The movable seat (14) is provided with a threaded tube (15) on its side. There are two sets of threaded tubes (15). The two sets of threaded tubes (15) are symmetrically distributed about the center line of the long side of the fixed base plate (10). A lifting screw (16) is screwed into the threaded tube (15). By rotating the lifting screw (16), the lifting screw (16) can extend and retract from the threaded tube (15). The lifting screw (16) is provided in two sets. One set of lifting screw (16) has a limit groove (17) on its end face, and the other set of lifting screw (16) has a groove (18) on its end face. A traction spring (19) is provided in the groove (18), and a limit through hole (20) is provided on the side of the groove (18). The traction spring (19) is equipped with a limiting rod (21), and a limiting block (22) is provided on the side of the limiting rod (21). The limiting block (22) is inserted into the limiting through hole (20) and moves within the limiting through hole (20). One end of the traction spring (19) is fixedly connected to the end face of the groove (18), and the other end of the traction spring (19) is fixedly connected to the end face of the limiting rod (21). One end of the limiting rod (21) is inserted into the limiting groove (17).

2. The construction method for cast-in-place tie beams and columns using exterior wall insulation blocks according to claim 1, characterized in that: The integrated insulation board (1) and the inner auxiliary board (4) are fixedly connected inside the wall formed by the insulation blocks (2). A limiting plate (6) is provided on the upper surface of the wall formed by the insulation blocks (2), and the limiting plate (6) is integrally in the shape of a "U"-shaped plate structure.

3. The construction method for cast-in-place tie beams and columns using exterior wall insulation blocks according to claim 1, characterized in that: A fixed base (7) is provided on the side surface of the wall formed by the insulation blocks (2). A positioning ring (8) is provided on the surface of the fixed base (7). A steel reinforcement cage (3) is inserted into the positioning ring (8), and the steel reinforcement cage (3) is also placed inside the limiting plate (6). The positioning ring (8) is fixedly connected to the surface of the fixed base (7).

4. The construction method for cast-in-place tie beams and columns using exterior wall insulation blocks according to claim 1, characterized in that: The formwork (23) is fixedly connected to the inner side surface of the wall formed by the insulation blocks (2). A separating plate (9) is provided on the surface of the formwork (23), and the separating plate (9) is adhesively bonded to the surface of the formwork (23). The formwork (23) covers the side surface of the steel reinforcement cage (3).

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