CN215443120U - Cast-in-place concrete stair template system that modularization was assembled - Google Patents
Cast-in-place concrete stair template system that modularization was assembled Download PDFInfo
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- CN215443120U CN215443120U CN202120535531.6U CN202120535531U CN215443120U CN 215443120 U CN215443120 U CN 215443120U CN 202120535531 U CN202120535531 U CN 202120535531U CN 215443120 U CN215443120 U CN 215443120U
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- 239000004567 concrete Substances 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000009415 formwork Methods 0.000 claims description 20
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The invention discloses a modularly assembled cast-in-place concrete stair template system, and solves the problem of how to develop a stair section template system which can realize movable assembly and is convenient to disassemble. The step-shaped integral hoisting frame comprises a step bottom template (1), step side templates and a modularized step vertical template, wherein the main structure of the step vertical template integral hoisting frame is a stretcher (4) consisting of two parallel channel steel, a wavy-arranged steel bar inclined strut (5) is connected between the two parallel channel steel of the stretcher (4), the step vertical template (6) is hung and welded on the lower bottom surfaces of the two parallel channel steel at equal intervals, an upper-end horizontal supporting section (7) is bent at the upper ends of the two parallel channel steel, an upper-end adjustable support (8) is arranged on the upper-end horizontal supporting section (7), a lower-end horizontal supporting section (9) is bent at the lower ends of the two parallel channel steel, and a lower-end adjustable support (10) is arranged on the lower-end horizontal supporting section (9); the construction quality of stair steps is improved.
Description
Technical Field
The invention relates to a cast-in-place concrete template system, in particular to a building method of a modularly assembled cast-in-place concrete stair template system.
Background
The formwork erection of the cast-in-place reinforced concrete stair tread is a more complex procedure in the construction of a building structure, and the procedure is directly related to the construction progress of the whole project; the traditional formwork support of the stair tread is completed by using a wood formwork in a scattered and loose bulk mode, and the concrete process is as follows: firstly, a bottom template of the stair is erected, a reinforcing mesh of the stair is bound on the bottom template, then side templates on two sides of a stair section are erected, step positions are located on two sides of the side templates, a vertical template of each step is arranged according to the step positions, the vertical templates are connected together through inclined struts and firmly fixed, and after the whole stair section template system is erected, stair section concrete is poured; after the concrete is initially set, firstly removing the stepping vertical templates, wherein each vertical template is connected with the side template by using an iron nail, and the top end surface of each vertical template is also connected with the inclined strut by using the iron nail, so that the side template and the vertical template are frequently damaged in the template removing process, and the detached templates cannot be reused; therefore, the iron nail connection and fixation mode commonly adopted by the existing stair templates can increase the loss of the wood templates, and has the defects of poor connection firmness among the templates, easy occurrence of a template running phenomenon and weak integral rigidity of a template system; in addition, the bulk-scattering mode also has the problems of large specific gravity of manual operation factors, poor step size consistency and large gradient control error of a step section; how to develop a bench formwork system which can realize movable splicing and is convenient to disassemble, and the control precision of the gradient of the bench and the consistency of the sizes of all steps are improved, which becomes an important technical problem to be solved in a construction field.
Disclosure of Invention
The invention provides a modularly assembled cast-in-place concrete stair template system, and solves the technical problem of how to develop a stair section template system which can realize movable assembly and is convenient to disassemble.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: with the whole modularization design of the concrete placement template of stair bench, with its modularization triplex: the ladder section bottom template, the templates on the two sides and the step vertical template are integrally hoisted to the frame body; use two channel-section steels as stretcher hack lever, set up the reinforcing bar bracing between two hack levers, constitute a whole stretcher, hang between the lower bottom surface of two channel-section steels and connect the welding founding template of marking time to constitute the founding template support system of a holistic stair bench, with this founding template support system, the founding template integral hoisting support body of marking time promptly assembles together with bench bottom form and side form board, the concrete placement template system that just forms the stair bench, it is convenient that this template system assembles and dismantles, but reuse, especially can realize marking time the accurate control of size, the stair bench high quality of pouring out.
A modularized assembled cast-in-place concrete stair template system comprises a stair section bottom template, a stair section side template, a stair section other side template and a modularized integral step vertical template hoisting frame body, wherein the main structure of the integral step vertical template hoisting frame body is a stretcher consisting of two parallel channel steel, a steel bar inclined strut in wavy arrangement is connected between the two parallel channel steel of the stretcher, the step vertical template is hung and welded on the lower bottom surfaces of the two parallel channel steel at equal intervals, an upper end horizontal supporting section is bent at the upper ends of the two parallel channel steel, an upper end adjustable support is arranged on the upper end horizontal supporting section, a lower end horizontal supporting section is bent at the lower ends of the two parallel channel steel, and a lower end adjustable support is arranged on the lower end horizontal supporting section; lifting lugs are arranged on the top end surfaces of the two parallel channel steels.
The template back arris is arranged on the stepping vertical template; the structure of the upper end adjustable support is the same as that of the lower end adjustable support, and the upper end adjustable support consists of a nut and a screw rod screwed in the nut.
The stair section bottom template is arranged on the full-hall support, a floor plate pouring bottom template is arranged at the top end of the full-hall support, an upper end concrete cushion block is arranged on the floor plate pouring bottom template, a screw rod in an upper end adjustable support is abutted to the upper end concrete cushion block, a rest platform pouring bottom template is arranged at the bottom end of the full-hall support, a lower end concrete cushion block is arranged on the rest platform pouring bottom template, and a screw rod in a lower end adjustable support is abutted to the lower end concrete cushion block; one side of the integral hoisting frame body of the mark time vertical template is provided with a template at one side of the bench section, the other side of the integral hoisting frame body of the mark time vertical template is provided with a template at the other side of the bench section, and a step fastener is arranged between the side template and the channel steel on the stretcher.
A building method of a modularly assembled cast-in-place concrete stair template system comprises a step bottom template, a step side template, a step other side template and a modularized step vertical template integrally hoisting frame body, wherein the step bottom template is arranged on a full-hall support, a floor plate pouring bottom template is arranged at the top end of the full-hall support, and a rest platform pouring bottom template is arranged at the bottom end of the full-hall support; the method is characterized by comprising the following steps:
firstly, manufacturing a modularized integral hoisting frame body of the mark time vertical template, selecting two channel steel according to the length of a stair step section, bending the upper end of the channel steel to form an upper end horizontal supporting section, bending the lower end of the channel steel to form a lower end horizontal supporting section, welding a nut on the upper end horizontal supporting section, and screwing a screw rod in the nut, wherein the nut and the screw rod form an upper end adjustable support; a nut is welded on the lower end horizontal support section, a screw rod is screwed in the nut, and the nut and the screw rod form a lower end adjustable support; manufacturing a stepping vertical template, mounting template back ridges on the stepping vertical template, arranging two channel steel in parallel and symmetrically to form two frame rods of the stretcher, hanging and welding each stepping vertical template on the lower bottom surfaces of the two channel steel at equal intervals, and enabling each stepping vertical template to be vertically arranged with an upper end horizontal supporting section; four lifting lugs are respectively welded on the upper end surfaces of the two parallel channel steels; thereby completing the assembly of the integral hoisting frame body of the mark time vertical template;
secondly, after binding of a stair reinforcement framework on the bottom formwork of the stair section is finished, placing two upper-end concrete cushion blocks on the bottom formwork of the floor slab casting, and placing two lower-end concrete cushion blocks on the bottom formwork of the rest platform casting;
thirdly, hoisting the integral hoisting frame body of the step vertical template manufactured in the first step to the bottom template of the bench, enabling the screw rod in the upper adjustable support bracket to be abutted against the upper end concrete cushion block and enabling the screw rod in the lower adjustable support bracket to be abutted against the lower end concrete cushion block; the integral hoisting frame body of the stepping vertical template is installed in place by respectively adjusting the jacking height of the screw rod in the upper adjustable support and the jacking height of the screw rod in the lower adjustable support;
fourthly, arranging a template at one side of the stair section on a bottom template of the stair section at one side of the integral hoisting frame body of the stepping vertical template, and tightly connecting the template at one side of the stair section with the side channel steel by using step fastening; arranging the other side template of the stair section on the bottom template of the stair section on the other side of the integral hoisting frame body of the vertical stepping template, and tightly connecting the other side template of the stair section with the side channel steel step by step;
fifthly, pouring the concrete of the ladder sections;
and sixthly, after the concrete is solidified, firstly tightly detaching the step arranged between the side template and the channel steel, then detaching the side template, and finally, hoisting the whole hoisting frame body of the mark time vertical template through hoisting equipment to be transported to the next construction bench for use.
The invention realizes modularization and regularization of the stair section mould, improves the construction quality of stair steps, has high installation speed and accelerates the engineering progress; the operation is simple, the disassembly is easy, and the labor intensity of workers is greatly reduced; the template is only processed and assembled once in one project, and can be repeatedly circulated, so that the consumption of a large amount of manpower and circulating materials is reduced, and the cost is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the integral hoisting frame body of the stepping vertical template of the invention;
FIG. 3 shows the fitting relationship between the integral hoisting frame body and the side template of the step vertical template of the invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a modularized assembled cast-in-place concrete stair template system comprises a stair section bottom template 1, a stair section side template 2, a stair section other side template 3 and a modularized mark time vertical template integral hoisting frame body, wherein the main structure of the mark time vertical template integral hoisting frame body is a stretcher 4 consisting of two parallel channel steel, a steel bar inclined strut 5 in wavy arrangement is connected between the two parallel channel steel of the stretcher 4, mark time vertical templates 6 are hung and welded on the lower bottom surfaces of the two parallel channel steel at equal intervals, upper end horizontal supporting sections 7 are bent at the upper ends of the two parallel channel steel, upper end adjustable supports 8 are arranged on the upper end horizontal supporting sections 7, lower end horizontal supporting sections 9 are bent at the lower ends of the two parallel channel steel, and lower end adjustable supports 10 are arranged on the lower end horizontal supporting sections 9; lifting lugs 11 are arranged on the top end surfaces of the two parallel channel steels.
The template back edge 12 is arranged on the stepping vertical template 6; the structure of the upper end adjustable support 8 is the same as that of the lower end adjustable support 10, and the upper end adjustable support 8 is composed of a nut and a screw rod screwed in the nut.
The stair section bottom template 1 is arranged on a full-hall support 13, a floor slab pouring bottom template 14 is arranged at the top end of the full-hall support 13, an upper end concrete cushion block 15 is arranged on the floor slab pouring bottom template 14, a screw rod in an upper end adjustable support 8 abuts against the upper end concrete cushion block 15, a rest platform pouring bottom template 16 is arranged at the bottom end of the full-hall support 13, a lower end concrete cushion block 17 is arranged on the rest platform pouring bottom template 16, and a screw rod in a lower end adjustable support 10 abuts against the lower end concrete cushion block 17; one side of the integral hoisting frame body of the mark time vertical template is provided with a template 2 at one side of the bench, the other side of the integral hoisting frame body of the mark time vertical template is provided with a template 3 at the other side of the bench, and a step fastening 18 is arranged between the side template and the channel steel on the stretcher 4.
A building method of a modularized assembled cast-in-place concrete stair template system comprises a step section bottom template 1, a step section side template 2, a step section other side template 3 and a modularized step standing template integral hoisting frame body, wherein the step section bottom template 1 is arranged on a full-hall support 13, a floor slab pouring bottom template 14 is arranged at the top end of the full-hall support 13, and a rest platform pouring bottom template 16 is arranged at the bottom end of the full-hall support 13; the method is characterized by comprising the following steps:
firstly, manufacturing a modularized integral hoisting frame body of the mark time vertical template, selecting two channel steel according to the length of a stair step section, bending the upper end of the channel steel into an upper end horizontal supporting section 7, bending the lower end of the channel steel into a lower end horizontal supporting section 9, welding a nut on the upper end horizontal supporting section 7, and screwing a screw rod in the nut, wherein the nut and the screw rod form an upper end adjustable support 8; a nut is welded on the lower end horizontal support section 9, a screw rod is screwed in the nut, and the nut and the screw rod form a lower end adjustable support 10; manufacturing a mark time vertical template 6, installing template back ridges 12 on the mark time vertical template 6, arranging two channel steel in parallel and symmetrically to form two frame rods of the stretcher, hanging and welding each mark time vertical template 6 on the lower bottom surfaces of the two channel steel at equal intervals, and enabling each mark time vertical template 6 to be vertically arranged with an upper end horizontal supporting section 7; four lifting lugs 11 are respectively welded on the upper end surfaces of the two parallel channel steels; thereby completing the assembly of the integral hoisting frame body of the mark time vertical template;
secondly, after the stair reinforcement frameworks on the bottom template 1 of the stair section are bound, placing two upper end concrete cushion blocks 15 on a floor slab casting bottom template 14, and placing two lower end concrete cushion blocks 17 on a rest platform casting bottom template 16;
thirdly, hoisting the integral hoisting frame body of the step vertical template manufactured in the first step onto the bottom template 1 of the bench, enabling the screw in the upper adjustable support bracket 8 to be abutted against the upper end concrete cushion block 15, and enabling the screw in the lower adjustable support bracket 10 to be abutted against the lower end concrete cushion block 17; the integral hoisting frame body of the stepping vertical template is installed in place by respectively adjusting the jacking height of the screw rod in the upper adjustable support 8 and the jacking height of the screw rod in the lower adjustable support 10;
fourthly, arranging a template 2 at one side of the stair section on a bottom template 1 at one side of the integral hoisting frame body of the stepping vertical template, and tightly connecting the template 2 at one side of the stair section with the side channel steel by using a step fastener 18; arranging a formwork 3 at the other side of the bench on a bottom formwork 1 of the bench at the other side of the integral hoisting frame of the stepping vertical formwork, and fastening and connecting the formwork 3 at the other side of the bench and the side channel steel together by using a step fastener 18;
fifthly, pouring the concrete of the ladder sections;
and sixthly, after the concrete is solidified, firstly detaching the step fasteners 18 arranged between the side templates and the channel steel, then detaching the side templates, and finally, hoisting the whole hoisting frame body of the mark time vertical template by using hoisting equipment to transport the mark time vertical template to the next construction bench for use.
Claims (3)
1. A cast-in-place concrete stair template system assembled in a modularized way comprises a bench bottom template (1), a bench side template (2), a bench other side template (3) and a modularized integral hoisting frame body of a step vertical template, it is characterized in that the main body structure of the integral hoisting frame body of the step vertical template is a stretcher (4) consisting of two parallel channel steels, a steel bar inclined strut (5) which is arranged in a wavy shape is connected between the two parallel channel steels of the stretcher (4), step vertical templates (6) are hung and welded on the lower bottom surfaces of the two parallel channel steels at equal intervals, an upper end horizontal supporting section (7) is bent at the upper ends of the two parallel channel steels, an upper end adjustable support (8) is arranged on the upper end horizontal supporting section (7), the lower end of each of the two parallel channel steels is bent with a lower end horizontal supporting section (9), and a lower end adjustable support (10) is arranged on the lower end horizontal supporting section (9); lifting lugs (11) are arranged on the top end surfaces of the two parallel channel steels.
2. The modular assembled cast-in-place concrete stair formwork system according to claim 1, wherein the step vertical formwork (6) is provided with a formwork back ridge (12); the structure of the upper end adjustable support (8) is the same as that of the lower end adjustable support (10), and the upper end adjustable support (8) consists of a nut and a screw rod screwed in the nut.
3. The modular assembled cast-in-place concrete stair formwork system according to claim 1 or 2, characterized in that the stair section bottom formwork (1) is arranged on a full-hall support (13), a floor slab pouring bottom formwork (14) is arranged at the top end of the full-hall support (13), an upper end concrete cushion block (15) is arranged on the floor slab pouring bottom formwork (14), a screw rod in an upper end adjustable support bracket (8) is abutted against the upper end concrete cushion block (15), a rest platform pouring bottom formwork (16) is arranged at the bottom end of the full-hall support (13), a lower end concrete cushion block (17) is arranged on the rest platform pouring bottom formwork (16), and a screw rod in a lower end adjustable support bracket (10) is abutted against the lower end concrete cushion block (17); one side of the integral hoisting frame body of the mark time vertical template is provided with a template (2) at one side of the ladder section, the other side of the integral hoisting frame body of the mark time vertical template is provided with a template (3) at the other side of the ladder section, and a step fastener (18) is arranged between the template and the channel steel on the stretcher (4).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982974A (en) * | 2021-03-15 | 2021-06-18 | 山西三建集团有限公司 | Cast-in-place concrete stair template system that modularization was assembled |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982974A (en) * | 2021-03-15 | 2021-06-18 | 山西三建集团有限公司 | Cast-in-place concrete stair template system that modularization was assembled |
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