CN112240027B - Concrete precast slab slope protection cast-in-place capping slab template structure and construction method - Google Patents
Concrete precast slab slope protection cast-in-place capping slab template structure and construction method Download PDFInfo
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- CN112240027B CN112240027B CN202011190723.4A CN202011190723A CN112240027B CN 112240027 B CN112240027 B CN 112240027B CN 202011190723 A CN202011190723 A CN 202011190723A CN 112240027 B CN112240027 B CN 112240027B
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- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
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Abstract
The invention discloses a concrete precast slab slope protection cast-in-place capping slab template structure and a construction method, wherein the method is used for prefabricating a slope protection side steel template, a ground side steel template and an end template; erecting a slope protection side steel template on a concrete precast slab slope protection, erecting an inclined support on the slope protection side steel template, connecting the slope protection side steel template and the inclined support through an adjustable support rod, and adjusting the verticality of the slope protection side steel template through the adjustable support rod; arranging a ground side steel template on the backfill soil, fixing the ground side steel template on the backfill soil through a triangular fixing support, and fixedly connecting an end template with the ground side steel template and a slope protection side steel template; pouring concrete in an area enclosed by the slope protection side steel formwork, the end formwork and the ground side steel formwork; after the concrete pouring and vibrating of the top sealing plate are completed, the movable scraping frame is adopted to polish and flatten cast-in-place concrete, the turnover rate of the template component is increased to a certain degree by adopting prefabricated components, and the construction cost is reduced.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a concrete precast slab slope protection cast-in-place capping slab template structure and a construction method.
Background
The top sealing plate is a protective umbrella on the concrete precast slab protection slope and is a 'lip' of the side slope plate. The damage of the slope protection caused by the damage of the top sealing plate is very common due to lip die and tooth cold. The common capping plate has a floating top type and a flat top type, the floating top type capping plate is not attractive, extrusion displacement is easy to occur, and the problem of small protection effect on the slope plate is rarely adopted at present. The flat top type top sealing plate is attractive and not easy to extrude and displace. The single-face vertical formwork cast-in-place mode is adopted during construction of the flat-top type roof sealing plate, the flat-top type roof sealing plate and the side slope plate are tightly and firmly combined in the mode, but the problems of serious formwork deformation and low formwork supporting speed exist, and the construction quality of the roof sealing plate is seriously influenced.
In summary, no effective solution is provided for the problems existing in the pouring construction of the flat top type roof sealing plate at present.
Disclosure of Invention
Based on the structure, the application provides a concrete precast slab slope protection cast-in-place capping plate formwork structure and a construction method, which are used for solving the problems of serious formwork deformation and slow formwork supporting speed in the related technology.
Firstly, excavating a slope protection foundation groove according to design, leveling a field, and prefabricating a slope protection side steel template, a ground side steel template and an end template;
constructing a gravel material cushion layer, a transition layer under the film, a film material anti-seepage layer, a transition layer on the film and a concrete precast slab revetment;
excavating a foundation trench of the top sealing plate, arranging a membrane material impermeable layer on the lower part of the transition layer on the membrane, arranging the membrane material impermeable layer into a shape like a Chinese character 'ji' on the top of the revetment, extending to the lower part of the backfill soil, and compacting the backfill soil layer by layer;
step four, erecting a slope protection side steel template on the concrete precast slab slope protection, erecting an inclined support on the slope protection side steel template, connecting the slope protection side steel template and the inclined support through an adjustable support rod, and adjusting the verticality of the slope protection side steel template through the adjustable support rod;
fifthly, arranging a ground side steel template on the backfill soil, fixing the ground side steel template on the backfill soil through a triangular fixing support, arranging an end template between the ground side steel template and the slope protection side steel template, and fixedly connecting the end template with the ground side steel template and the slope protection side steel template;
after the supporting of the top sealing plate formwork structure is completed, pouring concrete in an area defined by the slope protection side steel formwork, the end formwork and the ground side steel formwork;
step seven, after the top sealing plate concrete pouring and vibrating are completed, a movable scraping frame is adopted to polish and flatten the cast-in-place concrete, the concrete is cured, and a top sealing plate formwork system is removed;
and step eight, constructing the capping plate in other construction sections, and repeating the step two to the step seven.
In a possible implementation manner, in the step one, the prefabricated slope protection side steel template, the ground side steel template and the end template adopt assembled type finalized steel templates, and are prefabricated, processed and assembled outside the field.
In a possible implementation mode, in step four, the slope protection side steel template is provided with an ear plate, two ends of the adjustable support rod are respectively and movably fixed on the inclined support and the ear plate, and the slope protection side steel template is adjusted in installation angle through the stretching of the adjustable support rod.
In a possible implementation mode, in the fifth step, the ground side steel formwork is connected with the fixed cross beam through the fixed bolt, the fixed cross beam is connected with the vertical rod through the fixed bolt, the vertical rod, the horizontal support and the inclined support are connected through the fixed bolt, a reserved hole is formed in the horizontal support, the horizontal support is fixed on the backfill soil through a steel chisel, and the end part of the adjacent horizontal support is connected with the base of the channel steel through the fixed bolt.
In a possible implementation mode, in the fifth step, ear plates are arranged at corresponding positions of the ground side steel templates, the ear plates are provided with reserved holes, the corresponding ear plates are connected with the plugging steel plates on the fixed cross beam through fixing bolts between the adjacent ground side steel templates, and the reserved holes are reserved in the plugging steel plates; the end template is connected with the ear plates of the ground side steel template and the slope protection side steel template through fixing bolts.
In a possible implementation mode, in the fifth step, a V-shaped groove is formed in the end template, the V-shaped groove is clamped on the slope protection of the prefabricated slab, and the area defined by the slope protection side steel template, the end template and the ground side steel template is poured and vibrated by concrete to form a top sealing plate.
In a possible implementation manner, in the seventh step, the movable strickle frame comprises strickle frame beams, connecting beams, movable shaft bolts, cross rods, adjustable pull rods, connecting shaft lug plates, adjustable threaded connecting shafts, pulleys, strickle steel plates, push-pull rod handles, push-pull rods and elbows; wherein, the beam of the strickle frame and the connecting beam form a framework of the movable strickle frame; connecting shaft lug plates are welded at two ends of a cross beam of the leveling frame, adjustable threaded connecting shafts are arranged on the connecting shaft lug plates, pulleys are arranged on the adjustable threaded connecting shafts, the pulleys are matched in sliding grooves in the upper portions of the ground side steel template and the slope protection side steel template, and the positions of the pulleys are adjusted through the adjustable threaded connecting shafts; a push-pull rod handle and an elbow are respectively welded at two ends of the push-pull rod, a movable shaft preformed hole is arranged on the elbow, and the movable shaft preformed hole is hinged with an adjustable threaded connecting shaft on the cross rod; the strickle steel plate is fixed with the connecting beam through the adjustable pull rod, and the elevation of the strickle steel plate is controlled by adjusting the adjustable pull rod.
In a possible implementation mode, in the fifth step, the triangular fixing support comprises a vertical rod, an inclined support and an angle steel base, the angle steel base is fixed with a pre-embedded threaded rod arranged on the backfill soil through a nut, the vertical rod and the inclined support are connected to the angle steel base, and the upper end of the vertical rod is fixed with the upper end of the inclined support.
In one possible implementation mode, the vertical rods, the inclined supports and the angle steel bases are connected through fixing bolts; and the adjacent ground side steel templates are connected through the ear plates.
In a second aspect, the application provides a concrete precast slab slope protection cast-in-place capping slab template structure, which is obtained by the construction method of the concrete precast slab slope protection cast-in-place capping slab template structure.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
1. the concrete precast slab slope protection cast-in-place top plate template system is adopted, wherein the ground side steel template, the slope protection side steel template and the end template adopt the assembled shaped steel templates, can be prefabricated and assembled outside the field, and during on-site construction, the prefabricated components are transported to the construction field for direct erection, so that the turnover rate of the template components is increased to a certain extent, and the construction cost is reduced.
2. The movable scraping frame is arranged to carry out trowelling and flattening, after pouring is completed, the cast-in-place concrete is trowelling and flattened by controlling the movable scraping frame, the movable scraping frame moves on the slope protection side steel formwork and the ground side steel formwork through the pulleys, the structure is simple, temporary supports do not need to be erected during construction, the construction speed is improved, and labor is saved.
3. The invention supports and reinforces the slope protection side steel template, the end template and the ground side steel template, and can further improve the construction quality of the formed top sealing plate. The invention can effectively solve the problem of serious deformation of the formwork in the related technology, and the reinforced structure is economic and effective, so that the construction quality of the top sealing plate is effectively ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in related technologies, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional view of a concrete precast slab revetment cast-in-place capping slab formwork structure;
FIG. 2 is a schematic view of a concrete precast slab slope protection cast-in-place capping slab template structure and a movable strickle frame;
FIG. 3 is a schematic view of a movable screed frame and a steel formwork connecting and fixing big sample;
FIG. 4 is a pictorial view of a mobile screed frame;
FIG. 5 is a diagrammatic representation of an end form;
fig. 6 is a schematic view of a striking plate push-pull rod.
In the figure: 1-backfill soil, 2-undisturbed soil, 3-gravel cushion layer, 4-lower transition layer, 5-membrane material impermeable layer, 6-upper transition layer, 7-concrete precast slab slope protection, 8-angle steel base, 9-embedded threaded rod, 10-vertical rod, 11-adjustable stay bar, 12-nut, 13-fixing bolt, 14-inclined support, 15-strickle frame beam, 16-connecting beam, 17-movable shaft bolt, 18-transverse rod, 19-adjustable pull rod, 20-pulley, 21-connecting shaft lug plate, 22-adjustable threaded connecting shaft, 23-sliding groove, 24-horizontal support, 25-ground side steel template, 26-slope protection side steel template, 27-lug plate, 28-channel steel base, 29-blocking steel plates, 30-preformed holes, 31-leveling steel plates, 32-fixed cross beams, 33-end templates, 34-V-shaped grooves, 35-connecting holes, 36-push-pull rod handles, 37-elbows, 38-preformed holes of movable shafts, 39-push-pull rods, 40-top sealing plates and 41-movable leveling frames.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.
It is obvious that the drawings in the following description are only examples or embodiments of the application, from which the application can also be applied to other similar scenarios without inventive effort for a person skilled in the art. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Unless otherwise defined, technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing and claiming the application are not to be construed as limiting in any way, but rather as indicating the singular or plural. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalent, and does not exclude other elements or items. "connected" or "coupled" and similar terms are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and claims of this application, "a plurality" means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, a and/or B, which may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
The detailed structural processing and other construction technical requirements in the embodiments of the present invention are not repeated, the embodiments of the present invention are mainly explained, and the present invention is further described in detail by embodiments with reference to the drawings, and the description is not limited to the following embodiments.
The embodiment of the application provides a concrete precast slab revetment cast-in-place top sealing plate template, which comprises backfill soil 1, undisturbed soil 2, a gravel material cushion layer 3, a lower transition layer 4, a membrane material impermeable layer 5, an upper transition layer 6 and a concrete precast slab revetment 7, wherein the membrane material impermeable layer 5 is arranged at the top of the concrete precast slab revetment 7 in a shape like a Chinese character 'ji', extends to the lower part of the backfill soil 1, the backfill soil 1 is compacted in a layered manner, a top sealing plate 40 is embedded at the top of the concrete precast slab revetment 7, the top sealing plate 40 is arranged at the upper part of the upper transition layer 6, a ground side steel template 25 and a revetment side steel template 26 are respectively arranged at two sides of the top sealing plate 40, a sliding groove 23 is welded at the upper part of the revetment side steel template 26, after concrete pouring and vibrating of the top-sealing plate 40 are completed, the movable scraping frame 41 is adopted to move on the upper portions of the ground side steel formwork 25 and the slope protection side steel formwork 26 through the sliding groove 23, and is used for smoothing and flattening cast-in-place concrete.
In this embodiment, ground side steel form 25, bank protection side steel form 26, end template 33 adopt assembled regularization steel form, but prefabricated processing and assemble outside the field, and when the site operation, directly set up the prefabricated component transportation to the job site, improved the turnover speed of template component to a certain extent, reduced construction cost.
In this embodiment, the capping plate 40 is a cast-in-place concrete plate.
In some embodiments, the concrete precast slab revetment 7 is provided with an embedded threaded rod 9, an angle steel base 8 is fixed with the embedded threaded rod 9 through a nut 12, a vertical rod 10 and an inclined support 14 are connected to the angle steel base 8, and a revetment side steel template 26 is connected with the inclined support 14 through an adjustable support rod 11.
Specifically, the slope protection side steel formwork 26 is provided with an ear plate 27, two ends of the adjustable stay bar 11 are respectively and movably fixed on the inclined support 14 and the ear plate 27, and the slope protection side steel formwork 26 is adjusted in installation angle through the expansion and contraction of the adjustable stay bar 11. In the present embodiment, the perpendicularity of the slope protection side steel formwork 26 is adjusted to be perpendicular to the ground plane by the adjustable stay bar 11.
In some embodiments, the ground side steel template 25 is fixed on the backfill soil 1 through a triangular fixed support, the triangular fixed support comprises a vertical rod 10, an inclined support 14 and an angle steel base 8, the angle steel base 8 is fixed with an embedded threaded rod 9 arranged on the backfill soil 1 through a nut 12, the vertical rod 10 and the inclined support 14 are connected to the angle steel base 8, and the upper end of the vertical rod 10 is fixed with the upper end of the inclined support 14. Specifically, all set up triangle fixed bolster on ground side steel form 25 and bank protection side steel form 26 and consolidate, on bank protection side steel form 26, angle steel base 8 of triangle fixed bolster is fixed with the pre-buried threaded rod 9 that sets up on concrete precast slab bank protection 7 through nut 12.
In some embodiments, the ground side steel formwork 25 is connected with the fixed cross beam 32 through the fixed bolt 13, the fixed cross beam 25 is formed by processing channel steel, the fixed cross beam 32 is connected with the vertical rod 10 through the fixed bolt, the vertical rod 10, the horizontal support 24 and the inclined support 14 are connected through the fixed bolt 13, a reserved hole 30 is formed in the horizontal support 24, the horizontal support 24 is fixed on the backfill soil 1 through the steel chisel 23, and the end part of the adjacent horizontal support 24 is connected with the channel steel base 28 through the fixed bolt 13.
In this embodiment, the vertical bar 10, the diagonal brace 14 and the angle iron base 8 are connected through the fixing bolt 13, and the ground side steel formwork 25 is connected with the vertical bar 10, the horizontal brace 24 and the diagonal brace 14 through the fixing cross beam 32, so that the effect of reinforcing the ground side steel formwork 25 is achieved, and the construction quality of the pouring top-sealing plate 40 can be improved.
In some embodiments, the ear plates 27 are arranged at corresponding positions of the ground side steel templates 25, the ear plates 27 are provided with reserved holes 30, the corresponding ear plates 27 are connected with the plugging steel plates 29 on the fixed cross beams 32 through the fixing bolts 13 between the adjacent ground side steel templates 25, and the reserved holes 30 are reserved in the plugging steel plates 29; the end formwork 33 is connected to the floor-side steel formwork 25 and the lug plate 27 of the slope-protection-side steel formwork 26 by fixing bolts 13.
In some embodiments, the end formwork 33 is provided with a V-shaped groove 34, the V-shaped groove 34 is clamped on the precast slab revetment 7, and the area enclosed by the revetment side steel formwork 26, the end formwork 33 and the ground side steel formwork 25 is poured and vibrated by concrete to form the top sealing plate 40.
In some of the embodiments, the movable screed 41 includes screed beam 15, connecting beam 16, movable shaft bolt 17, cross bar 18, adjustable pull rod 19, connecting shaft ear plate 21, adjustable threaded connecting shaft 22, pulley 20, screed steel plate 31, push-pull rod handle 36, push-pull rod 39, elbow 37; wherein, the strickle frame beam 15 and the connecting beam 16 form the framework of the movable strickle frame 41; connecting shaft lug plates 21 are welded at two ends of a leveling frame beam 15, adjustable threaded connecting shafts 22 are installed on the connecting shaft lug plates 21, pulleys 20 are installed on the adjustable threaded connecting shafts 22, the pulleys 20 are matched in sliding grooves in the upper portions of a ground side steel template 25 and a slope protection side steel template 26, and the positions of the pulleys 20 are adjusted through the adjustable threaded connecting shafts 22; the two ends of the push-pull rod 39 are respectively welded with a push-pull rod handle 36 and an elbow 37, the elbow 37 is provided with a movable shaft preformed hole 38, and the movable shaft preformed hole 38 is hinged with the adjustable threaded connecting shaft 22 on the cross rod 18; the strickle steel plate 31 is fixed with the connecting beam 16 through an adjustable pull rod 19, and the elevation of the strickle steel plate 31 is controlled by adjusting the adjustable pull rod 19. And controlling a push-pull rod handle 36 to enable the movable scraping frame 41 to integrally move on the upper parts of the ground side steel template 25 and the slope protection side steel template 26, so that the cast-in-place concrete is polished and flattened.
The construction steps of the invention are as follows:
firstly, excavating a slope protection foundation groove according to design and leveling a field, and prefabricating a slope protection side steel template 26, a ground side steel template 25 and an end template 33;
secondly, constructing a gravel material cushion layer 3, a lower membrane transition layer 4, a membrane material impermeable layer 5, an upper membrane transition layer 6 and a concrete precast slab protection slope 7;
thirdly, excavating a foundation trench of the top sealing plate 40, arranging a membrane material anti-seepage layer 5 at the lower part of the membrane upper transition layer 6, arranging the membrane material anti-seepage layer 5 into a shape like a Chinese character 'ji' at the top of the revetment, extending to the lower part of the backfill soil 1, and compacting the backfill soil 1 in a layering manner;
step four, arranging a slope protection side steel template 26 on the concrete precast slab slope protection 7, erecting an inclined support 14 on the slope protection side steel template 26, connecting the slope protection side steel template 26 with the inclined support 14 through an adjustable support rod 11, and adjusting the perpendicularity of the slope protection side steel template 26 through the adjustable support rod 11;
fifthly, arranging a ground side steel template 25 on the backfill 1, fixing the ground side steel template 25 on the backfill 1 through a triangular fixing support, arranging an end template 33 between the ground side steel template 25 and the slope protection side steel template 26, and fixedly connecting the end template 33 with the ground side steel template 25 and the slope protection side steel template 26;
step six, after the formwork supporting structure of the top sealing plate 40 is erected, concrete is poured in an area defined by the slope protection side steel formwork 26, the end formwork 33 and the ground side steel formwork 25;
step seven, after concrete pouring and vibrating of the top sealing plate 40 are completed, a movable scraping frame 41 is adopted to polish and flatten cast-in-place concrete, the concrete is cured, and a formwork system of the top sealing plate 40 is removed;
and step eight, constructing the top sealing plate 40 of other construction sections, and repeating the step two to the step seven.
In conclusion, the scheme provides a concrete precast slab slope protection cast-in-place roof sealing plate template structure and a construction method, the formwork system of the scheme adopts an assembly type stereotyped steel template, specifically, a region enclosed by the slope protection side steel template 26, the end template 33 and the ground side steel template 25 is cast and vibrated by concrete to form the roof sealing plate 40, prefabricating and processing can be carried out, the prefabricated components are directly erected on the construction site during site construction, the turnover rate of the template components is increased to a certain extent, and the construction cost is reduced. After pouring, cast-in-place concrete is smoothed and flattened by controlling the movable scraping frame 41, the movable scraping frame 41 moves on the slope protection side steel formwork 26 and the ground side steel formwork 25 through the pulleys, the structure is simple, temporary supports do not need to be erected during construction, and the construction speed is improved. In addition, the construction quality for forming the capping plate 40 can be further improved by retaining and reinforcing the slope protection side steel formwork 26, the end formwork 33, and the ground side steel formwork 25. The invention can effectively solve the problems of serious deformation and low formwork supporting speed of the formwork in the related technology.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (9)
1. A construction method of a concrete precast slab slope protection cast-in-place capping slab template structure is constructed on a side slope (2), and is characterized by comprising the following construction steps:
firstly, excavating a slope protection foundation groove according to design and leveling a field, and prefabricating a slope protection side steel template (26), a ground side steel template (25) and an end template (33);
constructing a gravel material cushion layer (3), a lower membrane transition layer (4), a membrane material impermeable layer (5), an upper membrane transition layer (6) and a concrete precast slab revetment (7);
thirdly, excavating a foundation trench of the top sealing plate (40), arranging a membrane material impermeable layer (5) at the lower part of the membrane upper transition layer (6), arranging the membrane material impermeable layer (5) into a shape like a Chinese character ji at the top of the revetment, extending to the lower part of the backfill soil (1), and compacting the backfill soil (1) in layers;
fourthly, arranging a slope protection side steel template (26) on the concrete precast slab slope protection (7), erecting an inclined support (14) on the slope protection side steel template (26), connecting the slope protection side steel template (26) with the inclined support (14) through an adjustable support rod (11), and adjusting the perpendicularity of the slope protection side steel template (26) through the adjustable support rod (11);
fifthly, arranging a ground side steel template (25) on the backfill soil (1), fixing the ground side steel template (25) on the backfill soil (1) through a triangular fixing support, arranging an end template (33) between the ground side steel template (25) and the slope protection side steel template (26), and fixedly connecting the end template (33) with the ground side steel template (25) and the slope protection side steel template (26);
after the formwork supporting structure of the top sealing plate (40) is erected, pouring concrete in an area surrounded by the slope protection side steel formwork (26), the end formwork (33) and the ground side steel formwork (25);
step seven, after concrete pouring and vibrating of the top sealing plate (40), a movable scraping frame (41) is adopted to polish and flatten cast-in-place concrete, the concrete is cured, and a formwork system of the top sealing plate (40) is removed, wherein the movable scraping frame (41) comprises a scraping frame cross beam (15), a connecting beam (16), a movable shaft bolt (17), a cross rod (18), an adjustable pull rod (19), a connecting shaft lug plate (21), an adjustable threaded connecting shaft (22), a pulley (20), a scraping steel plate (31), a push rod handle (36), a push rod (39) and an elbow (37); wherein, the strickle frame beam (15) and the connecting beam (16) form a framework of the movable strickle frame (41); connecting shaft lug plates (21) are welded at two ends of a strickle frame beam (15), an adjustable threaded connecting shaft (22) is arranged on each connecting shaft lug plate (21), a pulley (20) is arranged on each adjustable threaded connecting shaft (22), each pulley (20) is matched in a sliding groove at the upper part of a ground side steel template (25) and a slope protection side steel template (26), and the position of each pulley (20) is adjusted through the adjustable threaded connecting shaft (22); a push-pull rod handle (36) and an elbow (37) are respectively welded at two ends of a push-pull rod (39), a movable shaft preformed hole (38) is formed in the elbow (37), and the movable shaft preformed hole (38) is hinged with an adjustable threaded connecting shaft (22) on the cross rod (18); the strickle steel plate (31) is fixed with the connecting beam (16) through an adjustable pull rod (19), and the elevation of the strickle steel plate (31) is controlled by adjusting the adjustable pull rod (19);
and step eight, constructing the capping plates (40) in other construction sections, and repeating the step two to the step seven.
2. The construction method of the concrete precast slab slope protection cast-in-place capping plate template structure as claimed in claim 1, wherein in the step one, the prefabricated slope protection side steel template (26), the ground side steel template (25) and the end template (33) adopt fabricated and shaped steel templates, are prefabricated and processed and are assembled outside the field.
3. The construction method of the concrete precast slab slope protection cast-in-place capping plate formwork structure according to claim 2, characterized in that in the fourth step, the slope protection side steel formwork (26) is provided with an ear plate, two ends of the adjustable stay bar (11) are respectively and movably fixed on the inclined support (14) and the ear plate, and the slope protection side steel formwork (26) is adjusted in installation angle through the expansion of the adjustable stay bar (11).
4. The construction method of the concrete precast slab slope protection cast-in-place capping slab template structure as claimed in claim 3, wherein in the fifth step, the ground side steel template (25) is connected with the fixed cross beam (32) through the fixed bolt, the fixed cross beam (32) is connected with the vertical rod (10) through the fixed bolt, the vertical rod (10), the horizontal support (24) and the inclined support (14) are connected through the fixed bolt, the horizontal support (24) is provided with the reserved hole (30), the horizontal support (24) is fixed on the backfill soil (1) through the steel drill (23), and the end part of the adjacent horizontal support (24) is connected with the channel steel base (28) through the fixed bolt.
5. The construction method of the concrete precast slab slope protection cast-in-place capping plate formwork structure according to claim 4, characterized in that in the fifth step, ear plates are arranged at corresponding positions of the ground side steel formworks (25), the ear plates are provided with reserved holes (30), the corresponding ear plates are connected with the plugging steel plates (29) on the fixed cross beams (32) through fixing bolts between the adjacent ground side steel formworks (25), and the reserved holes (30) are reserved on the plugging steel plates (29); the end template (33) is connected with the ear plates of the ground side steel template (25) and the slope protection side steel template (26) through fixing bolts.
6. The construction method of the concrete precast slab slope protection cast-in-place coping plate template structure as claimed in claim 5, wherein in the fifth step, the end template (33) is provided with a V-shaped groove (34), the V-shaped groove (34) is clamped on the precast slab slope protection (7), and the area enclosed by the slope protection side steel template (26), the end template (33) and the ground side steel template (25) is cast and vibrated by concrete to form the coping plate (40).
7. The construction method of the concrete precast slab slope protection cast-in-place capping slab formwork structure as claimed in claim 6, wherein in the fifth step, the triangular fixing support comprises a vertical rod (10), an inclined support (14) and an angle steel base (8), the angle steel base (8) is fixed with an embedded threaded rod (9) arranged on the backfill soil (1) through a nut (12), the vertical rod (10) and the inclined support (14) are connected to the angle steel base (8), and the upper end of the vertical rod (10) is fixed with the upper end of the inclined support (14).
8. The construction method of the concrete precast slab slope protection cast-in-place capping slab formwork structure according to claim 7, wherein the vertical rods (10), the inclined struts (14) and the angle steel bases (8) are connected by fixing bolts; the adjacent ground side steel templates (25) are connected through ear plates.
9. The cast-in-place capping plate template structure for the concrete precast slab revetment is characterized by being obtained by the construction method of the cast-in-place capping plate template structure for the concrete precast slab revetment according to any one of claims 1 to 8.
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| CN202011190723.4A CN112240027B (en) | 2020-10-30 | 2020-10-30 | Concrete precast slab slope protection cast-in-place capping slab template structure and construction method |
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| CN202011190723.4A CN112240027B (en) | 2020-10-30 | 2020-10-30 | Concrete precast slab slope protection cast-in-place capping slab template structure and construction method |
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| CN112240027B true CN112240027B (en) | 2022-05-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544460A (en) * | 2015-12-29 | 2016-05-04 | 深圳市福田建安建设集团有限公司 | Construction method of cast-in-situ planting type ecological concrete slope protection |
| CN105781100A (en) * | 2016-04-28 | 2016-07-20 | 中国水利水电第八工程局有限公司 | Template component for sidewall of subway station |
| CN208456111U (en) * | 2018-06-20 | 2019-02-01 | 中国水利水电第八工程局有限公司 | Adjustable receipts face mould plate supporting device |
| CN211256593U (en) * | 2019-07-19 | 2020-08-14 | 杭州江润科技有限公司 | Curb back pouring regularization template |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2014221234B2 (en) * | 2013-12-11 | 2015-07-30 | Quickcell Technology Pty Ltd | Precast concrete beam |
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2020
- 2020-10-30 CN CN202011190723.4A patent/CN112240027B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544460A (en) * | 2015-12-29 | 2016-05-04 | 深圳市福田建安建设集团有限公司 | Construction method of cast-in-situ planting type ecological concrete slope protection |
| CN105781100A (en) * | 2016-04-28 | 2016-07-20 | 中国水利水电第八工程局有限公司 | Template component for sidewall of subway station |
| CN208456111U (en) * | 2018-06-20 | 2019-02-01 | 中国水利水电第八工程局有限公司 | Adjustable receipts face mould plate supporting device |
| CN211256593U (en) * | 2019-07-19 | 2020-08-14 | 杭州江润科技有限公司 | Curb back pouring regularization template |
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| CN112240027A (en) | 2021-01-19 |
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