CN113482029B - Reinforcing method for stepped independent foundation template of industrial factory building - Google Patents
Reinforcing method for stepped independent foundation template of industrial factory building Download PDFInfo
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- CN113482029B CN113482029B CN202110735561.6A CN202110735561A CN113482029B CN 113482029 B CN113482029 B CN 113482029B CN 202110735561 A CN202110735561 A CN 202110735561A CN 113482029 B CN113482029 B CN 113482029B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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Abstract
The invention provides a method for reinforcing a stepped independent foundation template of an industrial factory building, which comprises the following steps: pre-burying a plurality of pre-buried fixing pieces on the independent foundation cushion layer; fixing a first vertical steel pipe at the corner of the independent foundation formwork of the step, connecting the first vertical steel pipe with the embedded fixing piece through a first connecting piece, and installing a transverse steel pipe at the periphery of the independent foundation formwork of the step; buckling a first vertical steel pipe to an oblique steel pipe, and supporting the end part of the oblique steel pipe through a supporting piece; fixedly mounting a second vertical steel pipe at each corner of the independent foundation template of the second layer or the above steps; the second vertical steel pipe and the oblique steel pipe are locked through the movable fastener. The embedded fixing piece serves as a fulcrum for reinforcing the novel template, the bearing capacity of the basic template of the step at one layer is improved, the traditional batten support system is replaced by the steel pipe, the template at one layer is stably fixed with the embedded fixing piece, and conditions are provided for one-time template hanging of the basic template of the step at two or more layers.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a method for reinforcing a stepped independent foundation template of an industrial factory building.
Background
The step type independent foundation formwork uses the square timber to adopt the most reinforcing forms at present, and in the reinforcing construction of the multilayer step independent foundation formwork, the one-time formwork lifting completion and formwork reinforcing technology is still a big difficulty in the field of independent foundation construction.
At present, most construction units generally adopt battens for construction in the face of reinforcing the multilayer stepped independent foundation formwork, and use a lot of short battens to cause material waste, so that harsh conditions can be provided for construction cost. In order to avoid the infirm wood beam reinforcing form, some construction units adopt a secondary pouring mode, after the pouring of one layer of step foundation is completed, the concrete is formed, chiseling and washing are continuously carried out on the concrete, and then the construction of the next layer of step foundation is carried out.
Disclosure of Invention
In view of the above, the invention provides a method for reinforcing a stepped independent foundation template of an industrial factory building, and aims to solve the problem that the existing stepped independent foundation is long in construction period and high in cost.
The invention provides a method for reinforcing a stepped independent foundation template of an industrial factory building, which comprises the following steps: step one, when an independent foundation mat layer is constructed, a plurality of embedded fixing pieces are embedded in the independent foundation mat layer, and the embedded fixing pieces are arranged in one-to-one correspondence with the corners of a layer of step independent foundation template; after the independent foundation templates of the steps of the first layer are installed in place, fixing a first vertical steel pipe at the corner of the independent foundation template of the steps of the first layer on the outer side of the independent foundation template of the steps of the first layer, connecting the first vertical steel pipe with the embedded fixing piece through a first connecting piece, and installing a plurality of circles of transverse steel pipes on the periphery of the independent foundation template of the steps of the first layer; the height of at least one of the first vertical steel pipes at each corner is higher than that of the independent foundation formwork of the step by a first preset height; step three, buckling an oblique steel pipe on one of every two first vertical steel pipes which is higher than the one-layer step independent foundation formwork through a movable fastener, and supporting the end part of the oblique steel pipe, which is arranged on the periphery of the one-layer step independent foundation formwork, through a supporting piece; step four, after the independent foundation templates of the two layers and the steps are installed in place, fixedly installing second vertical steel pipes at each corner of the independent foundation templates of the two layers and the steps, wherein the height of the second vertical steel pipes is higher than that of the independent foundation templates of the two layers and the steps by a second preset height; and step five, locking the second vertical steel pipe and the oblique steel pipe through a movable fastener so as to realize one-step pouring forming of each layer of steps.
Further, in the method for reinforcing the stepped independent foundation formwork of the industrial factory building, in the third step, a third vertical steel pipe is pre-buried in the periphery of the stepped independent foundation formwork of the first layer, and the third vertical steel pipe is used as a support member to support the end part of the inclined steel pipe arranged on the periphery of the stepped independent foundation formwork of the first layer.
Further, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building, the third vertical steel pipe and the inclined steel pipe are arranged between the end parts of the peripheries of the stepped independent foundation formworks of the first floor and are locked through the movable fasteners.
Further, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building, the two first vertical steel pipes at the corners of the stepped independent foundation formwork of one layer are different in height, and the height of the first vertical steel pipe is higher than that of the stepped independent foundation formwork of one layer by a first preset height.
Further, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building, the first connecting piece is a split screw, one end of the split screw is fixed on the embedded fixing piece, and the other end of the split screw is connected with the two first vertical steel pipes through the connecting and supporting piece of the split screw.
Further, in the step four, after the two or more layers of independent foundation templates are installed in place, a plurality of circles of transverse steel pipes are installed on the peripheries of the two or more layers of independent foundation templates so as to reinforce the two or more layers of independent foundation templates.
Further, in the fourth step, after the two or more layers of independent foundation templates are installed in place, a plurality of reinforcing steel bar heads which correspond to the second vertical steel pipes one by one are installed on the inner peripheries of the two or more layers of independent foundation templates, and the reinforcing steel bar heads are connected with the second vertical steel pipes through the opposite-pulling screws.
Further, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building, in the second step, the transverse steel pipe is fastened with the first vertical steel pipe through the movable fastener.
Further, in the method for reinforcing the stepped independent foundation formwork of the industrial factory building, the embedded fixing piece is of a steel bar head structure.
Further, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building, the first preset height and/or the second preset height is/are 30cm.
The invention provides a method for reinforcing a stepped independent foundation template of an industrial factory building, which is characterized in that an embedded fixing piece is embedded in advance before or during construction of an independent foundation cushion layer, one end of a first connecting piece is connected with the embedded fixing piece while the independent foundation template of one step is reinforced, and the other end of the first connecting piece is connected with a first vertical steel pipe arranged on the outer side of the independent foundation template of one step; the independent foundation formwork of one layer of steps is enclosed and reinforced by the transverse steel pipes, the oblique steel pipes are obliquely placed at proper angles along four corners, the steel pipes and the fasteners which are directly and most stable are connected to the first vertical steel pipes, the outer ends of the oblique steel pipes are supported by the supporting pieces, the oblique steel pipes are connected with the second vertical steel pipes on the outer sides of the independent foundation formworks of two layers and more than two layers, the steps of two layers and more than two layers are reinforced, the process of hanging the formwork is completed at one time, and the purpose of pouring at one time is achieved. The embedded fixing piece forms a whole with a first vertical steel pipe through a first connecting piece, the stability of increasing the independent foundation formwork of one step is achieved, meanwhile, the bearing capacity of the steel pipe reinforcing system is enhanced to a certain extent, and in the concrete pouring construction process, the independent foundation formwork of two or more steps can have a stable support to form a guarantee of one-time formwork lifting. When two or more layers of independent basic formworks with steps are constructed, the obliquely placed oblique steel pipe is locked with the first vertical steel pipe connected with the counter-pulling screw rod through the movable fastener, after the two or more layers of independent basic formworks with steps are installed and formed, the second vertical steel pipe is placed at four corners and fixed through the nail, and the obliquely placed oblique steel pipe is locked with the movable fastener for the oblique steel pipe. The purpose of lifting the mould is achieved while no support is arranged inside, and the formed concrete has excellent appearance. The whole process is mainly supported by one layer of step foundation steel pipes, the embedded fixing piece steel bar heads are used as accessories, and the obliquely placed oblique steel pipes are matched to connect two or more layers of step foundation templates so as to connect two or more layers of step foundation templates, so that a stable whole is formed. Wherein, in the construction of independent foundation bed course, pre-buried mounting had both acted as a fulcrum that novel template was consolidated, improved the bearing capacity of one deck step foundation formwork simultaneously. When the formwork of the foundation of the step at one layer is supported, the traditional batten supporting system is replaced by the steel pipe, the formwork at one layer is stably fixed with the embedded fixing piece, and conditions are provided for one-time formwork lifting of the foundation formwork of the step at two or more layers. Two layers and above step template suspended formwork construction is connected fixed vertical steel pipe and slant steel pipe on four angles, bears the braced system of template on slant steel pipe, helps once only pouring to accomplish, has guaranteed the wholeness and the planarization of basis.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flow chart of a method for reinforcing a stepped independent foundation template of an industrial factory building according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a foundation mat pre-embedded steel bar head according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a one-step form construction according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a step form reinforcement according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a two-step independent foundation installation provided in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, it is a flow chart of a method for reinforcing a stepped independent foundation template of an industrial factory building according to an embodiment of the present invention. As shown, the method comprises the following steps:
step one, when the independent foundation mat layer is constructed, a plurality of pre-buried fixing pieces are pre-buried on the independent foundation mat layer, and the pre-buried fixing pieces are arranged in one-to-one correspondence with the corners of the independent foundation formwork of the step.
Specifically, in the present embodiment, each layer of steps is illustrated as a square or a rectangle, that is, four independent basic templates 3 are arranged around each layer of steps to form a rectangular structure. Before independent foundation bed course 1, pre-buried mounting 2 of one deck step independent foundation bed course 1's interior four corners department respectively pre-buried, take one's place the inside of mounted position at the corresponding pre-buried mounting 2 in four corners position at one deck step independent foundation template 3 promptly, as shown in figure 2, this pre-buried mounting 2 had both acted as a fulcrum that novel template was consolidated, improved the bearing capacity of one deck step foundation template simultaneously. The embedded fixing piece 2 can be a steel bar head structure, is vertically arranged on the layer of step independent foundation formwork 3, and is partially arranged above the layer of step independent foundation formwork 3 in a protruding mode to serve as a reinforcing fulcrum; of course, the pre-buried fixing member 2 may also be of other structures, and this embodiment is not limited thereto.
After the independent foundation templates of the steps of the first layer are installed in place, fixing a first vertical steel pipe at the corner of the independent foundation template of the steps of the first layer on the outer side of the independent foundation template of the steps of the first layer, connecting the first vertical steel pipe with the embedded fixing piece through a first connecting piece, and installing a plurality of circles of transverse steel pipes on the periphery of the independent foundation template of the steps of the first layer; at least one of the first vertical steel pipes at each corner is higher than the independent foundation formwork of the step by a first preset height.
Specifically, after the one-layer step independent foundation formwork 3 is installed in place, first, the first vertical steel pipes 4 are fixed at the positions, at the outer sides of the one-layer step independent foundation formwork 3, of the corners of the one-layer step independent foundation formwork 3, namely, the first vertical steel pipes 4 are fixed at the positions, at the outer sides of the rectangles surrounded by the one-layer step independent foundation formwork 3, of the two corners of the four-layer step independent foundation formwork 3, in this embodiment, in order to achieve connection between the first vertical steel pipes 4 and the embedded fixing members 2, preferably, the first vertical steel pipes 4 at the positions, at the corners, of the one-layer step independent foundation formwork 3 are two different in height, the height of the higher first vertical steel pipe 4 is higher than that of the one-layer step independent foundation formwork 3 by a first preset height, so that the steel pipes 7 can be fixed in a subsequent inclined manner; wherein, first preset height can be 30CM, two first vertical steel pipes 4 are all fixed in two places about each limit promptly, and one of them first vertical steel pipe 4 is higher than the independent basic template 3 about 30CM of one deck step. Then, be connected first vertical steel pipe 4 and pre-buried mounting 2 through 5, in this embodiment, first connecting piece 5 can be for drawing the screw rod to the drawing, the one end of threaded rod is the rod end, the other end is provided with the connection support piece 51 that is the W type, the one end of drawing the screw rod is threaded rod tip accessible welded fastening on pre-buried mounting 2 promptly, the other end is through connecting two first vertical steel pipes 4 to the connection support piece 51 of drawing the screw rod, two vertical steel pipes 4 block respectively and establish in connection support piece 51's draw-in groove department promptly, draw the screw rod to weld with the reinforcing bar head of independent foundation bed course 1 promptly one end, and pass the independent foundation template 3 of one deck step and be connected with two first vertical steel pipes 4. Finally, a plurality of circles of transverse steel pipes 6 are installed on the periphery of the independent foundation formwork 3 of one step, as shown in fig. 3 and 4, in the embodiment, two circles of transverse steel pipes 6 are taken as an example for description, the transverse steel pipes 6 and the first vertical steel pipe 4 can be connected through movable fasteners (not shown in the figure), and the transverse steel pipes 6 can also be connected through movable fasteners (not shown in the figure); of course, before the installation of the transverse steel pipe 6, a fixing support such as a support nail may be installed on the one-level step independent foundation formwork 3, so that the transverse steel pipe 6 is erected on the fixing support, and the transverse steel pipe 6 is connected to the periphery of the one-level step independent foundation formwork 3 to support and reinforce the same. Wherein, pre-buried reinforcing bar head forms a whole through split screw and first vertical steel pipe, has reached the stability that increases one deck step foundation, has also strengthened the bearing capacity of steel pipe reinforcing system to a certain extent simultaneously, and at the in-process of concrete placement construction, it can have a stable support to make two layers and above step foundation, becomes the guarantee of once hanging the mould.
And step three, buckling an oblique steel pipe on one of every two first vertical steel pipes which is higher than the independent foundation formwork of the step by a movable fastener, and supporting the oblique steel pipe at the end part of the periphery of the independent foundation formwork of the step by a supporting piece.
Specifically, each angle of the independent foundation template 3 with one layer of steps selects the longer first vertical steel pipe 4 to be locked with the obliquely placed oblique steel pipe 7 by a movable fastener, and the bottom of the obliquely placed oblique steel pipe 7 is provided with a support. Preferably, a third vertical steel pipe 8 may be embedded in the periphery of the one-layer step independent foundation formwork 3 on a working surface such as the ground to serve as a support member to support the end portion of the oblique steel pipe 7 disposed on the periphery of the one-layer step independent foundation formwork 3, that is, the end portion of the oblique steel pipe 7 (the right end of the oblique steel pipe 7 on the right side as shown in fig. 5) is supported by the third vertical steel pipe 8 to ensure the stability of the oblique steel pipe 7, as shown in fig. 5; further preferably, the third vertical steel pipe 8 and the oblique steel pipe 7 are arranged between the ends of the periphery of the independent foundation formwork 3 of the step at one level and are locked by movable fasteners. That is to say, utilize four layers of long slant steel pipe 7 to choose suitable angle to put along four angles to one side, utilize the steel pipe to link to each other with the direct most firm activity fastener of steel pipe, ensure the steadiness of slant steel pipe 7, and then consolidate the step of two layers and above. Wherein, the third vertical steel pipe 8 also can be fixed on the working face through the fastener, does not do the restriction to its fixed mode in this embodiment.
And step four, after the two layers and the above step independent foundation templates are installed in place, fixedly installing second vertical steel pipes at each corner of the two layers and the above step independent foundation templates, wherein the height of the second vertical steel pipes is higher than that of the two layers and the above step independent foundation templates by a second preset height.
Specifically, when the construction of the foundation formwork with two or more levels of steps is achieved, the formwork with two or more levels of independent foundations is made in advance, and the two-level independent foundation formwork 9 is taken as an example for explanation in the embodiment; after the two-level step independent foundation formwork 9 is installed in place, a second vertical steel pipe 10 is fixed at each corner of the two-level step independent foundation formwork 9, and the height of the second vertical steel pipe is higher than that of the two-level step independent foundation formwork 9 by a second preset height, wherein the second preset height can be 30cm, namely the length of the second vertical steel pipe 10 is about 30cm higher than that of the two-level step independent foundation formwork 9, as shown in fig. 5. Wherein each second vertical steel pipe 10 may be fixed with nails. In this embodiment, in order to ensure the stability of the two-layer step independent foundation formwork 9, preferably, the two-layer step independent foundation formwork 9 may also be reinforced by the reinforcing method of the vertical steel pipe and the horizontal steel pipe of the one-layer step independent foundation formwork 3, that is, after the two-layer or more-layer step independent foundation formwork is installed in place, a plurality of circles of horizontal steel pipes are installed on the periphery of the two-layer or more-layer step independent foundation formwork to reinforce the two-layer or more-layer step independent foundation formwork; after the independent foundation templates of two or more layers are installed in place, a plurality of reinforcing steel bar heads which correspond to the second vertical steel pipes one by one are installed on the inner peripheries of the independent foundation templates of two or more layers, and the reinforcing steel bar heads are connected with the second vertical steel pipes through the opposite-pulling screw rods. In the embodiment, the two or more layers of independent foundation templates are not provided with the transverse steel pipes and the reinforcing steel bar heads, so that the purpose of lifting the formwork is achieved while no any support is arranged in the independent foundation templates, and the formed concrete has excellent appearance.
And step five, locking the second vertical steel pipe and the oblique steel pipe through a movable fastener so as to realize one-step pouring forming of each layer of step.
Specifically, through activity fastener with the vertical steel pipe 10 of second and the locking of slant steel pipe 7 for whole reinforcement forms a whole, in order to realize the one shot forming of each layer step, whole process is accomplished, can pour the shaping once. Certainly, for the foundation formwork with more than two layers of steps, the corresponding vertical steel pipes are connected with the inclined steel pipes 7 to form an integral structure.
In summary, according to the method for reinforcing the stepped independent foundation formwork of the industrial factory building provided by the embodiment, before or during the construction of the independent foundation cushion layer 1, the embedded fixing piece 2 is embedded in advance, and when the independent foundation formwork 3 on one floor is reinforced, one end of the first connecting piece is connected with the embedded fixing piece 2, and the other end of the first connecting piece is connected with the first vertical steel pipe 4 arranged on the outer side of the independent foundation formwork 3 on one floor; and adopt horizontal steel pipe 6 to enclose one deck step independent foundation formwork 3 and consolidate, utilize slant steel pipe 7 to choose suitable angle to put along four angles for use to one side, and utilize the steel pipe to connect on first vertical steel pipe 4 with the direct most firm fastener of steel pipe, its outer end still passes through support piece support, and utilize slant steel pipe 7 to link to each other with the second vertical steel pipe in the two layers and above step independent foundation formwork outside, in order to consolidate the steps two layers and above, and then realize once accomplishing the process of hanging the mould, the purpose of once pouring has been reached. The embedded fixing piece 2 and the first vertical steel pipe 3 form a whole through the first connecting piece 5, the stability of the independent foundation formwork 3 with one step is improved, meanwhile, the bearing capacity of the steel pipe reinforcement system is enhanced to a certain degree, and in the concrete pouring construction process, the independent foundation formwork with two or more steps can have a stable support to form a guarantee of one-step formwork lifting. When two or more layers of the independent foundation templates with the steps are constructed, the obliquely placed oblique steel pipe 7 and the first vertical steel pipe 4 connected with the oppositely-pulling screw rod are locked by the movable fastener, and after the two or more layers of the independent foundation templates with the steps are installed and formed, the second vertical steel pipe 10 is placed at four corners and fixed by the nail, and the oblique steel pipe 7 and the movable fastener are locked. The purpose of hanging the mould is achieved while no support is arranged inside the mould, and the appearance of the formed concrete is excellent. The whole process is mainly supported by one layer of step foundation steel pipes, the steel bar heads of the embedded fixing pieces 2 are used as accessories, and then the obliquely-placed oblique steel pipes 7 are matched to connect two or more layers of step foundation templates and connect two or more layers of step foundation templates, so that a stable whole is formed. Wherein, in the construction of independent foundation bed course, pre-buried mounting 2 had both acted as a fulcrum of novel template reinforcement, improved the bearing capacity of one deck step foundation formwork simultaneously. When the step foundation formwork of one layer is supported, the traditional batten support system is replaced by the steel pipe, the formwork of one layer is stably fixed with the embedded fixing piece 2, and conditions are provided for one-step formwork lifting of the step foundation formwork of two or more layers. Two layers and above step template suspended formwork construction is connected fixed vertical steel pipe and slant steel pipe on four angles, bears the braced system of template on slant steel pipe, helps once only pouring to accomplish, has guaranteed the wholeness and the planarization of basis.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (2)
1. The utility model provides a method for reinforcing an industrial factory building step type independent foundation template, which is characterized by comprising the following steps:
step one, when an independent foundation mat layer is constructed, a plurality of embedded fixing pieces are embedded in the independent foundation mat layer, and the embedded fixing pieces are arranged in one-to-one correspondence with the corners of a layer of step independent foundation template; the embedded fixing part is arranged above the step independent foundation template in a protruding mode and serves as a reinforcing fulcrum; the embedded fixing piece is of a steel bar head structure;
after the independent foundation templates of the steps of the first layer are installed in place, fixing a first vertical steel pipe at the corner of the independent foundation template of the steps of the first layer on the outer side of the independent foundation template of the steps of the first layer, connecting the first vertical steel pipe with the embedded fixing piece through a first connecting piece, and installing a plurality of circles of transverse steel pipes on the periphery of the independent foundation template of the steps of the first layer; the height of at least one of the first vertical steel pipes at each corner is higher than that of the independent foundation formwork of the step by a first preset height; the first vertical steel pipes at the corners of the independent foundation formwork of the step are two with different heights, and the height of the higher first vertical steel pipe is higher than that of the independent foundation formwork of the step by a first preset height; the first connecting piece is a counter-pull screw rod, one end of the counter-pull screw rod is fixed on the embedded fixing piece, and the other end of the counter-pull screw rod is connected with the two first vertical steel pipes through a connecting and supporting piece of the counter-pull screw rod; the transverse steel pipe is buckled with the first vertical steel pipe through a movable fastener;
step three, buckling an oblique steel pipe on one of every two first vertical steel pipes which is higher than the one-layer step independent foundation formwork through a movable fastener, and supporting the end part of the oblique steel pipe, which is arranged on the periphery of the one-layer step independent foundation formwork, through a supporting piece; embedding a third vertical steel pipe on the working surface at the periphery of the one-layer step independent foundation template to serve as a support member to support the end part, arranged at the periphery of the one-layer step independent foundation template, of the oblique steel pipe; the third vertical steel pipe and the oblique steel pipe are arranged between the ends of the periphery of the independent foundation formwork of the step layer and are locked by movable fasteners;
step four, after the independent foundation templates of the two layers and the above steps are installed in place, fixedly installing second vertical steel pipes at each corner of the independent foundation templates of the two layers and the above steps, wherein the height of the second vertical steel pipes is higher than that of the independent foundation templates of the two layers and the above steps by a second preset height; after the independent foundation templates of the two layers and the above steps are installed in place, installing a plurality of circles of transverse steel pipes on the peripheries of the independent foundation templates of the two layers and the above steps so as to reinforce the independent foundation templates of the two layers and the above steps; after the independent foundation templates of the two or more layers are installed in place, installing a plurality of reinforcing steel bar heads which correspond to the second vertical steel pipes one by one on the inner peripheries of the independent foundation templates of the two or more layers, and connecting the reinforcing steel bar heads with the second vertical steel pipes through split screws;
and step five, locking the second vertical steel pipe and the oblique steel pipe through a movable fastener so as to realize one-step pouring forming of each layer of step.
2. The method for reinforcing the stepped independent foundation formwork of the industrial factory building according to claim 1, wherein the first preset height and/or the second preset height is/are 30cm.
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