阅读说明：本技术 一种内倾斜结构的模板支撑系统及其施工方法 (Formwork supporting system of inner inclined structure and construction method thereof ) 是由 吴骞 高阔 刘崇 于 2021-09-28 设计创作，主要内容包括：本发明的一种内倾斜结构的模板支撑系统及其施工方法,涉及建筑施工的模板支撑技术领域。针对现有内倾斜结构的模板难以支撑、无法实现一次性浇筑,从而影响建筑结构整体的施工质量的问题。它包括：模板架体和设置于其底部的支撑结构,模板架体包括竖向设置于内倾斜结构内侧的内侧模板,与内侧模板呈夹角设置的斜面模板,设置于斜面模板和内侧模板底部并分别与两者连接的承托部模板,连接于内侧模板顶端的延伸端模板,及封堵于模板两侧端部的端部模板。施工方法：先组装模板架体,再将模板架体整体托撑至设计标高位置,将延伸端模板与主体结构的模板连接为一体,架设支撑结构并托撑模板架体,整体浇筑内倾斜结构和主体结构。(The invention discloses a formwork support system of an inner inclined structure and a construction method thereof, and relates to the technical field of formwork support of building construction. The formwork that inclines in to current structure is difficult to support, can't realize once only pouring to influence the holistic construction quality's of building structure problem. It includes: the template support body and set up in the bearing structure of its bottom, the template support body includes vertical setting up in the inboard template of interior inclined structure inboard, is the inclined plane template that the contained angle set up with inboard template, sets up in inclined plane template and inboard template bottom and respectively with the supporting portion template of both connections, connect in the extension end template on inboard template top, and the tip template of shutoff in template both sides tip. The construction method comprises the following steps: firstly assembling the formwork support body, then integrally supporting the formwork support body to a designed elevation position, connecting the extension end formwork and the formwork of the main structure into a whole, erecting a supporting structure and supporting the formwork support body, and integrally pouring an inner inclined structure and the main structure.)

1. A formwork support system for an inner-inclined structure, comprising: template support body and set up in the bearing structure of its bottom, the template support body including vertical set up in waiting to water the inboard template of tilt structure inboard, with the inboard template is the inclined plane template that the contained angle set up, set up in the inclined plane template with inboard template bottom and respectively with both bearing portion templates of being connected, connect in the extension end template on inboard template top, and the shutoff in inclined plane template, inboard template reach the tip template of bearing portion template both sides tip, inclined plane template, inboard template, bearing portion template and tip template form jointly wait to water the inner chamber of tilt structure in, wherein, the inclined plane template with through a plurality of split bolt connections between the inboard template, it can be as an organic whole with the template connection of building major structure to extend the end template.

2. The formwork support system of claim 1, further comprising: the horizontal setting in many support keels in the inclined plane template outside, and vertical setting in many anchor strut in the inboard template outside, just the both ends of anchor strut push up respectively extend the end template with the supporting portion template, the one end of split bolt runs through inclined plane template and buckle locks behind the support keel, the other end of split bolt runs through inboard template and anchor strut back locking.

3. The formwork support system of an inner-inclined structure as claimed in claim 1, wherein: the corner parts of the bearing part template are mutually tightly propped and fixed by battens arranged on two sides of the corner parts, and the battens at the bottom of the bearing part template are fixed by adopting clamps.

4. The formwork support system of an inner-inclined structure as claimed in claim 1, wherein: after the end part template is installed in place, reinforcing strips are respectively installed at the bottom of the structural floor slab, the inner side of the inclined plane template and the outer side of the inner side template to seal and reinforce the end part template.

5. The formwork support system of an inner-inclined structure as claimed in claim 1, wherein: the bearing structure is the support body that comprises a plurality of pole settings, horizontal pole and bracing, wherein, the pole setting includes pole setting one, pole setting two and pole setting three at least, a pole setting top with the inclined plane template outside supports fossil fragments and offsets and the card jail, pole setting two support in bearing portion template bottom, just pole setting two with the anchor strut in the inboard template outside is coaxial, pole setting three support in extend end template bottom, the one end and the pole setting and the horizontal pole of bracing are connected, and its other end supports in the junction of extension template and inboard template.

6. The formwork support system of claim 5, wherein: and adjustable supports are further arranged at the tops of the second vertical rod and the third vertical rod.

7. The construction method of the internal inclined structure is characterized by comprising the following steps:

s1: the formwork support system for installing the inner inclined structure according to any one of claims 1 to 6, wherein a formwork frame body is assembled, an inclined formwork and an inner formwork which are arranged at an included angle are respectively connected to a bearing part formwork, the inclined formwork and the inner formwork are connected through a plurality of split bolts, an extension part formwork is connected to the top end of the inner formwork, and an end part formwork is plugged at two side end parts of the inclined formwork, the inner formwork and the bearing part formwork;

s2: after will assembling the whole bracketing of template support body will extend the end template and be connected as an organic wholely with major structure's template, erect bearing structure and the bracketing is located its top the template support body, tilt structure and major structure in the monolithic casting, treat after concrete structure reaches the intensity of designing requirement, demolish the template support body with bearing structure.

8. The construction method of an inner inclined structure according to claim 7, wherein the step S2 further includes: the inclined plane template outside is vertical to be set up pole setting one, just pole setting one offsets and blocks the jail with supporting keel the vertical pole setting two that sets up in bearing portion template bottom, just pole setting two with the anchor strut in the inboard template outside is coaxial extension template bottom sets up pole setting three, installs the bracing, the one end and the pole setting three of bracing are connected, and its other end support in extension template with the junction of inboard template.

9. The construction method of an inner inclined structure according to claim 7, wherein the step S2 further includes: after the template supporting system of the inner inclined structure is installed in place, binding the steel bars in the inner inclined structure to be poured and the structural floor slab, and integrally pouring the inner inclined structure and the main body structure by adopting a slurry driving method.

Technical Field

The invention relates to the technical field of formwork support systems for building construction, in particular to a formwork support system with an inner inclined structure and a construction method thereof.

Background

In the existing formwork support system of the building structure, the vertical lower hanging plate structure can be supported together with the main structure, and concrete is poured synchronously. However, as shown in fig. 1, when the exterior face of the building has the overhanging hanging-down plate structure 2 with the inward concave effect, the vertical rod in the formwork support system is obstructed by the overhanging hanging-down plate structure 2 itself and cannot be supported to the top in a full length manner, and after the concrete pouring of the main body structure 1 is completed and the formwork removal requirement is met, the secondary formwork pouring construction of the overhanging hanging-down plate structure 2 is performed, the secondary formwork will occupy the space in the projection area of the overhanging hanging-down plate structure 2, so that the materials such as the formwork and the supporting pipe fitting cannot be circulated to the upper-layer structure construction, and further the construction costs such as labor cost, main material cost and auxiliary material cost are increased, especially seriously, the leakage risk exists at the exterior face joint part 3 between the overhanging hanging-down plate structure 2 and the main body structure 1 due to the secondary formwork pouring construction, and the construction quality of the whole building structure is affected.

Disclosure of Invention

The formwork that inclines in to current structure is difficult to support, can't realize once only pouring to influence the holistic construction quality's of building structure problem. The invention aims to provide a formwork supporting system of an inner inclined structure and a construction method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: a formwork support system for an inner-inclined structure, comprising: template support body and set up in the bearing structure of its bottom, the template support body including vertical set up in waiting to water the inboard template of tilt structure inboard, with the inboard template is the inclined plane template that the contained angle set up, set up in the inclined plane template with inboard template bottom and respectively with both bearing portion templates of being connected, connect in the extension end template on inboard template top, and the shutoff in inclined plane template, inboard template reach the tip template of bearing portion template both sides tip, inclined plane template, inboard template, bearing portion template and tip template form jointly wait to water the inner chamber of tilt structure in, wherein, the inclined plane template with through a plurality of split bolt connections between the inboard template, it can be as an organic whole with the template connection of building major structure to extend the end template.

The template support system of the inner inclined structure comprises a template frame body and a support structure arranged at the bottom of the template frame body, wherein a negative angle part formed between the inner inclined structure and a horizontal structure is subjected to filling adjustment, an inner side template of the inner inclined structure is changed from the original inclined arrangement to a vertical arrangement, so that the inner side template and an inclined surface template positioned at the outer side of the inner side template form the template frame body in a triangular stable shape together, and meanwhile, after the inner side template is changed to the vertical arrangement, a counter-pull screw rod is changed from the original inclined state to the horizontal state, so that the template is more convenient to assemble and disassemble, and the construction difficulty is reduced; the template supporting system realizes the synchronous erection of the inner inclined structure and the main structure template and the synchronous pouring construction of the concrete structure through the combined supporting structure of the upper cantilever and the lower jacking, ensures the integrity of the concrete structure, reduces the leakage risk, and simultaneously shortens the integral construction period of the building structure and saves the materials and the construction cost because the construction period of secondary formwork pouring construction is reduced.

Still further, it includes: the horizontal setting in many support keels in the inclined plane template outside, and vertical setting in many anchor strut in the inboard template outside, just the both ends of anchor strut push up respectively extend the end template with the supporting portion template, the one end of split bolt runs through inclined plane template and buckle locks behind the support keel, the other end of split bolt runs through inboard template and anchor strut back locking.

Furthermore, the corner parts of the supporting part template are mutually tightly propped and fixed by battens arranged on two sides of the supporting part template, and the battens at the bottom of the supporting part template are fixed by a clamp.

Furthermore, after the end part formwork is installed in place, reinforcing strips are respectively installed at the bottom of the structural floor slab, the inner side of the inclined surface formwork and the outer side of the inner side formwork to seal and reinforce the end part formwork.

Still further, bearing structure is the support body that comprises a plurality of pole settings, horizontal pole and bracing, wherein, the pole setting includes pole setting one, pole setting two and pole setting three at least, pole setting one top with the inclined plane template outside supports fossil fragments and offsets and the card jail, pole setting two support in bearing portion template bottom, just pole setting two with the anchor strut in the inboard template outside is coaxial, pole setting three support in extension template bottom, the one end and the pole setting and the horizontal pole of bracing are connected, and its other end supports in the junction of extension template and inboard template.

Furthermore, the tops of the second upright rod and the third upright rod are also provided with adjustable supports.

In addition, the invention also provides a construction method of the inner inclined structure, which comprises the following steps:

s1: installing a formwork supporting system of the inner inclined structure, assembling a formwork frame body, respectively connecting an inclined formwork and an inner formwork which are arranged at an included angle to a bearing part formwork, connecting the inclined formwork and the inner formwork through a plurality of split bolts, connecting an extension part formwork to the top end of the inner formwork, and plugging end part formworks at two side end parts of the inclined formwork, the inner formwork and the bearing part formwork;

s2: after will assembling the whole bracketing of template support body will extend the end template and be connected as an organic wholely with major structure's template, erect bearing structure and the bracketing is located its top the template support body, tilt structure and major structure in the monolithic casting, treat after concrete structure reaches the intensity of designing requirement, demolish the template support body with bearing structure.

The invention relates to an installation method of a formwork support system with an inner inclined structure, which comprises the steps of firstly, assembling a formwork frame body, vertically arranging an inner side formwork, arranging the inclined surface formwork and the inner side formwork to form an included angle, respectively connecting the inclined surface formwork and the inner side formwork to a bearing part formwork, reinforcing the inclined surface formwork and the inner side formwork through horizontally arranged split bolts, plugging end part formworks at two side end parts of the formworks to form an inner cavity to be poured of the inner inclined structure, then, integrally supporting the assembled formwork frame body to a designed elevation position, and connecting the formwork frame body and formworks of a structural floor slab into a whole, finally, erecting a support structure at the bottom of the formwork frame body, wherein the inner side formwork of the inner inclined structure is changed from the original inclined arrangement to the vertical arrangement, so that the inner side formwork and the inclined surface formwork positioned at the outer side of the inner side formwork jointly form a formwork with a formwork in a triangular stable shape, and simultaneously, the inner side formwork is changed into the vertical arrangement, make to drawing the screw rod to become the horizontality by original tilt state, make the dismouting construction of template more convenient, the construction degree of difficulty has been reduced, construction period has been shortened, and, the built-up plate support form through "upper portion encorbelment, the lower part shore" supports the template of the internal inclination structure, the synchronous pouring construction of internal inclination structure and major structure has been realized, concrete structure's wholeness has been guaranteed, the seepage risk has been reduced, and simultaneously, because the time limit for a project that carries out secondary formwork pouring construction for this reason has been reduced, the holistic construction period of building structure has been shortened, materials and construction cost have been saved.

Further, the step S2 further includes: the inclined plane template outside is vertical to be set up pole setting one, just pole setting one with support fossil fragments and offset and the card jail the vertical pole setting two that sets up in bearing portion template bottom, just pole setting two with the anchor strut in the inboard template outside is coaxial extension template bottom sets up pole setting three, installs the bracing, the one end and the pole setting three of bracing are connected, and its other end support in extension template with the junction of inboard template.

Further, the step S2 further includes: after the template supporting system of the inner inclined structure is installed in place, binding the steel bars in the inner inclined structure to be poured and the structural floor slab, and integrally pouring the inner inclined structure and the main body structure by adopting a slurry driving method.

Drawings

FIG. 1 is a schematic view of a cantilever hanging plate structure for casting construction by adopting the existing secondary formwork erecting method;

FIG. 2 is a schematic structural view of the formwork support system of the inner inclined structure of the present invention;

FIG. 3 is a cross-sectional view of a template frame according to an embodiment of the invention;

fig. 4 is a side view of a formwork support of an embodiment of the present invention.

According to one embodiment of the present invention.

The numbers in the figures are as follows:

a structural floor 1; a hanging plate structure 2 is cantilevered; a seam region 3; a support part 4; an inclined portion 5; a formwork body 10; an inner formwork 12; a bevel template 11; a bearer template 14; an extension end template 12'; an end form 19; a support keel 15; a reinforcing rod 16; the split bolts 17; a clamp 18; a support structure 20; a reinforcing bar 191; a first vertical rod 21; a second vertical rod 22; a third upright rod 23; a cross bar 24; an adjustable rest 25; a diagonal brace 26; the secondary beam 27; a rail cantilevered section 28.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.

Example 1

In this embodiment, an inner inclined structure of a certain building engineering is taken as an example, the inner inclined structure is an overhanging hanging-down structure having an effect of being recessed into the building on an outer facade of the building, and the inner inclined structure is located above a window, as shown in fig. 2, the inner inclined structure includes an inclined portion 5 and a bearing portion 4 connected to a bottom end of the inclined portion 5 and horizontally arranged, a top end of the inclined portion 5 is connected to a structural floor 1, and a formwork support system of the inner inclined structure of the present invention is described below with reference to fig. 2 to 4, and includes: the formwork support body 10 and the supporting structure 20 arranged at the bottom of the formwork support body 10 are respectively arranged at the bottoms of the inclined formwork 11 and the inner formwork 12 and respectively connected with the inclined formwork 11 and the inner formwork 12, the formwork support body 10 comprises an inner formwork 12 vertically arranged at the inner side of a structure to be poured, an inclined formwork 11 arranged at an included angle with the inner formwork 12, a supporting part formwork 14 arranged at the bottom of the inclined formwork 11 and the inner formwork 12 and respectively connected with the inclined formwork and the inner formwork, an extension end formwork 12 'connected to the top end of the inner formwork 12 and an end formwork 19 plugged at the end parts of two sides of the inclined formwork 11, the inner formwork 12 and the supporting part formwork 14 form an inner cavity to be poured with an inner inclined structure, wherein the inclined formwork 11 is connected with the inner formwork 12 through a plurality of split bolts 17, and the extension end formwork 12' can be connected with a formwork of a building main structure into a whole.

The formwork support system of the inner inclined structure comprises a formwork frame body 10 and a support structure 20 arranged at the bottom of the formwork frame body, wherein a negative angle part formed between the inner inclined structure and a horizontal structure is subjected to filling adjustment, an inner side formwork 12 of the inner inclined structure is changed from original inclined arrangement to vertical arrangement, so that the inner side formwork 12 and an inclined surface formwork 11 positioned at the outer side of the inner side formwork 12 jointly form the formwork frame body 10 in a triangular stable shape, and meanwhile, after the inner side formwork 12 is changed to vertical arrangement, an opposite-pulling screw rod is changed from an original inclined state to a horizontal state, so that the assembly and disassembly construction of the formwork are more convenient, and the construction difficulty is reduced; the template supporting system realizes the synchronous erection of the inner inclined structure and the main structure template and the synchronous pouring construction of a concrete structure through the combined supporting structure 20 of the upper cantilever and the lower jacking, ensures the integrity of the concrete structure, reduces the leakage risk, and simultaneously shortens the integral construction period of the building structure and saves materials and construction cost because the construction period of secondary formwork pouring construction is reduced.

As shown in fig. 2 and 3, the formwork support system of the inner inclined structure further includes: the horizontal setting is in many support keels 15 in the inclined plane template 11 outside, and vertical setting is in many strengthening rods 16 in the inboard template 12 outside, and the upper and lower both ends of strengthening rod 16 tightly push up extension end template 12' and supporting portion template 14 respectively, and the one end of split bolt 17 runs through inclined plane template 11 and buckles behind support keel 15 and locks, and the other end of split bolt 17 runs through inboard template 12 and strengthening rod 16 and locks. The whole template frame body 10 of the embodiment is made of clad wood plywood with the thickness of 15 mm; the supporting keels 15 are made of battens and are fixed on the inclined surface formwork 11 through steel nails, the vertical distance between every two adjacent supporting keels 15 is not more than 200mm, and the supporting keels 15 can be used for fastening split bolts 17 and supporting vertical rods of a supporting structure 20 below the supporting keels 15 and play a role in skid resistance; the reinforcing rods 16 are made of battens and are fixed to the inner side formwork 12 through steel nails, the horizontal spacing between every two adjacent reinforcing rods 16 is not more than 200mm, and the supporting keels 15 and the reinforcing rods 16 are preferably made of battens with the cross-sectional dimension of 40mm multiplied by 90mm in the embodiment.

As shown in fig. 3, the corner portions (i.e., the internal and external corner portions) of the supporting portion formwork 14 are tightly pressed against each other by the battens disposed at both sides thereof, and are fixed to the supporting portion formwork 14 by the steel nails, and the battens at the bottom of the supporting portion formwork 14 are fixed by the clamps 18 to ensure the structural strength of the supporting portion formwork 14.

As shown in fig. 4, after the end formwork 19 is installed in place, the reinforcing bars 191 are respectively installed at the bottom of the structural floor slab 1, the inner side of the inclined formwork 11 and the outer side of the inner formwork 12 to seal and reinforce the end formwork 19, so as to form an integral triangular stable shape and ensure the structural stability of the formwork frame 10, the reinforcing bars 191 are made of wood, of course, the structure of the formwork frame 10 is only an example, and it can also be made of steel formwork, which is not limited herein.

Referring to fig. 2, the supporting structure 20 is a stable frame body formed by a plurality of vertical rods, a cross rod 24 and diagonal braces 26 (or scissor braces), wherein the vertical rods at least include a vertical rod one 21, a vertical rod two 22 and a vertical rod three 23, the top of the vertical rod one 21 abuts against and is clamped with the supporting keel 15 outside the inclined formwork 11, the vertical rod two 22 is supported at the bottom of the supporting formwork 14, the vertical rod two 22 is coaxial with the reinforcing rod 16 outside the inner formwork 12, the vertical rod three 23 is supported at the bottom of the extended formwork, one end of the diagonal brace 26 is connected with the vertical rod and the cross rod 24 through a fastener, and the other end is supported at the connection position of the extended formwork and the inner formwork 12, so that the vertical rod three 23, the cross rod overhanging section 28 and the diagonal brace 26 together form a supporting form with a triangular stable shape, as can be seen, the supporting structure 20 is formed by the vertical rod one 21 below the inclined formwork 11, the vertical rod two 22 below the supporting formwork 14, and a triangular diagonal bracing structure supported on the inner side template 12 and the template of the structural floor slab 1, and jointly stabilizes the template frame body 10 supported at the top thereof, thereby effectively solving the problem that the traditional support structure 20 cannot support the template of the inner inclined structure.

Please refer to fig. 2, the bottom of the template of the structural floor slab 1 is provided with a criss-cross main beam (i.e. a cross bar overhanging section 28) and a secondary beam 27, the secondary beam 27 is made of battens, the main beam is made of double-spliced steel pipes, the vertical bars and the cross bars are made of double-spliced steel pipes, the vertical and horizontal distances of the vertical bars are 900mm, the step distances of the cross bars are 1500mm, the intervals of the inclined struts 26 are not more than 6 spans and not more than 6m, and the included angles between the inclined struts 26 and the horizontal plane are 45-60 degrees. The double-spliced steel pipe with the diameter of 48 multiplied by 3.2mm is preferred in the embodiment.

Furthermore, the tops of the second upright stanchion 22 and the third upright stanchion 23 are also provided with an adjustable support 25, a bidirectional cross bar 24 is arranged below the adjustable support 25, the distance from the top cross bar 24 to the supporting point of the adjustable support 25 is less than 0.5m, the exposed length of the adjustable support 25 is less than or equal to 200mm, and the adjustable support 25 is used for finely adjusting the height of the upright stanchion.

Example 2

The construction method of the inner inclined structure of the present invention is described with reference to fig. 2 to 4, and is characterized by the following steps:

s1: positioning and paying off are carried out according to the plane arrangement of the axis of the design drawing, the axis of the side column or the wall is measured, then the template position paying off is carried out according to the construction drawing, according to the design elevation requirement, the level of the building is directly measured to the elevation position of the template frame body 10 by a level gauge, manufacturing and assembling a template frame body 10 in advance according to the specific design size requirement of an inner inclined structure, wherein an inclined template 11 and an inner template 12 which are arranged at an included angle are respectively connected to a bearing part template 14, the inclined template 11 and the inner template 12 are connected through a plurality of horizontally arranged split bolts 17, an extension part template is connected to the top end of the inner template 12, an end part template 19 is sealed at the end parts of two sides of the inclined template 11, the inner template 12 and the bearing part template 14, and isolating agents are coated on the inner sides of the inclined template 11, the inner template 12 and the bearing part template 14, so that the materials can be conveniently circulated and used;

s2: according to the construction drawing, the assembled formwork frame body 10 is integrally supported to the designed elevation position, the extending end formwork 12' and the formwork of the structural floor slab 1 in the main structure are connected into a whole, the supporting structure 20 is erected to support the formwork frame body 10 positioned at the top of the supporting structure, the inner inclined structure and the main structure are integrally poured, and after the concrete structure reaches the strength required by the design, the formwork frame body 10 and the supporting structure 20 are dismantled.

The invention relates to a method for installing a formwork support system with an inner inclined structure, which comprises the steps of firstly assembling a formwork frame body 10, vertically arranging an inner side formwork 12, arranging an inclined formwork 11 and the inner side formwork 12 in an included angle mode, respectively connecting the inclined formwork 11 and the inner side formwork 12 to a bearing part formwork 14, reinforcing the inclined formwork 11 and the inner side formwork 12 through horizontally arranged counter bolts 17, plugging end formworks 19 at the end parts of the two sides of the formworks to form an inner cavity to be poured of the inner inclined structure, then integrally supporting the assembled formwork frame body 10 to a designed elevation position, connecting the formwork frame body and a formwork of a structural floor slab 1 into a whole, finally erecting a support structure 20 at the bottom of the formwork frame body 10, and converting the original inclined arrangement of the inner side formwork 12 of the inner inclined structure into the vertical arrangement, so that the inner side formwork 12 and the inclined formwork 11 positioned at the outer side of the inner inclined structure jointly form the formwork frame body 10 with a triangular stable shape, meanwhile, after the inner side template 12 is changed into vertical arrangement, the opposite-pulling screw rod is changed into a horizontal state from an original inclined state, the dismounting construction of the template is more convenient, the construction difficulty is reduced, the construction period is shortened, in addition, the template of the inner inclined structure is supported by a combined template supporting form of 'upper part cantilever and lower part top support', the synchronous pouring construction of the inner inclined structure and the main structure is realized, the integrity of the concrete structure is ensured, the leakage risk is reduced, meanwhile, the construction period of secondary formwork pouring construction is shortened due to the reduction of the construction period, the whole construction period of the building structure is shortened, and the materials and the construction cost are saved.

As shown in fig. 2, the supporting structure 20 of this embodiment is a stable frame body composed of a plurality of vertical rods, a cross rod 24 and an inclined strut 26, wherein the vertical rods at least include a vertical rod one 21, a vertical rod two 22 and a vertical rod three 23, the step S2 further includes vertically arranging the vertical rod one 21 outside the inclined formwork 11, and the vertical rod one 21 abuts against and is fastened to the supporting keel 15, vertically arranging the vertical rod two 22 at the bottom of the supporting formwork 14, and the vertical rod two 22 is coaxial with the reinforcing rod 16 outside the inner formwork 12, arranging the vertical rod three 23 at the bottom of the extending formwork, installing the inclined strut 26, connecting one end of the inclined strut 26 with the vertical rod three 23 through a fastener, and supporting the other end at the connection position of the extending formwork and the inner formwork 12, so that the vertical rod three 23, the cross rod overhanging section 28 and the inclined strut 26 together form a triangular stable supporting form. It can be seen that the formwork body 10 at the top is supported by the supporting structure 20 formed by the first vertical rod 21 located below the inclined formwork 11, the second vertical rod 22 located below the supporting formwork 14 and the triangular inclined strut 26 supported by the inner formwork 12 and the formwork of the structural floor slab 1, so that the stable support of the formwork of the inner inclined structure is realized.

The step S2 further comprises the steps that after the template supporting system of the inner inclined structure is installed in place, the steel bars to be poured into the inner inclined structure and the structural floor slab 1 are bound, the thickness of the steel bars and the thickness of a protective layer meet the requirements of design and specification, the inner inclined structure and the main structure are integrally poured by adopting a 'slurry driving method', namely, beam and column joints are poured firstly, then pouring is carried out towards the plate direction, the pouring of the inner inclined structure is closely matched with vibration, the blanking of the first layer is slow, the second layer of material is poured after full vibration, the cement slurry is kept to be pushed forwards along the bottom wrapped stones by the 'slurry driving method', each layer of material is blanked after vibration, the bottom and two side parts of the inner inclined structure need to be vibrated, and the steel bars and embedded parts cannot be touched during vibration.

In step S2, if the tying of the reinforcement in the inner inclined structure to be poured is affected by space restrictions, the inner formwork 12 may be temporarily not erected, and the erection of the inner formwork 12 may be performed after the acceptance of the reinforcement is completed.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.