CN110644676B - Synchronous pouring construction method for preset isolation layer of concrete constructional column - Google Patents
Synchronous pouring construction method for preset isolation layer of concrete constructional column Download PDFInfo
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- CN110644676B CN110644676B CN201910988465.5A CN201910988465A CN110644676B CN 110644676 B CN110644676 B CN 110644676B CN 201910988465 A CN201910988465 A CN 201910988465A CN 110644676 B CN110644676 B CN 110644676B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention relates to a synchronous pouring construction method for a preset isolation layer of a concrete constructional column, which mainly comprises the following construction steps: (1) construction preparation; (2) processing longitudinal bars and stirrups of the constructional column; (3) erecting a constructional column steel bar binding jig frame; (4) constructing a main reinforcement of a steel bar of the constructional column; (5) constructing a constructional column stirrup; (6) erecting a constructional column template support, and reserving a constructional column guide hole; (7) pouring concrete below the pilot tunnel; (8) mounting an isolation layer template; (9) laying a waste receiving groove; (10) installing a sand filling device; (11) pouring isolation sand; (12) leveling and supplementing materials by using a material taking and feeding device; (13) sealing the pilot hole; (14) pouring concrete above the pilot tunnel; (15) and stripping the mold to treat the sand layer. The method for synchronously pouring the preset isolation layer of the concrete constructional column has the advantages of convenient construction, convenient assembly and disassembly of the template, recyclable template, sustainable utilization of resources and better economic and technical benefits.
Description
Technical Field
The invention belongs to the field of civil engineering, and relates to a synchronous pouring construction method for a preset isolation layer of a concrete constructional column, which is suitable for synchronous pouring construction of the preset isolation layer of the concrete constructional column.
Background
Along with the development of economic society, the facade modeling of building is also becoming abundant day by day, and the building facade has adopted molding post and construction wall more and more, and many building outside construction wall one end is the free end simultaneously, also must add the construction post according to design and antidetonation requirement. The anti-seismic constructional column plays an important role in strengthening the integral stress performance of the frame structure and the filling wall body and protecting the lives and properties of people and national properties.
If secondary pouring is carried out after the construction of the main body is finished, in the process, due to inconvenient vibration, poor honeycomb pitted surface forming quality is easily generated, meanwhile, a series of procedures such as complex bar planting, reinforcement cage binding, template erecting, concrete pouring, form removal and the like are needed, time and labor are wasted, a large amount of construction waste is generated, and the quality is not easy to control. The most important is that the safety accident is easily caused and the construction period is seriously delayed.
However, the traditional construction method is that the constructional column steel reinforcement framework and the main structural beam are constructed asynchronously, and the seismic performance, the engineering quality and the construction safety of the constructional column cannot be ensured; the post-planted constructional column longitudinal bars are easy to generate, so that the post-planted constructional column longitudinal bars cause common quality problems in connection with the frame beam; and the longitudinal bar lap joints of the constructional column are more, which wastes the steel bars.
Therefore, a technology for synchronously pouring the preset isolation layer of the concrete constructional column with good anti-seismic performance and good engineering quality and capable of completely eradicating common quality problems is urgently needed.
Disclosure of Invention
The invention aims to provide a synchronous pouring construction method for a preset isolation layer of a concrete constructional column.
The object of the present invention can be achieved by the following method:
a synchronous pouring construction method for a preset isolation layer of a concrete constructional column is completed by combining the following structures: the isolation layer construction is predetermine to the concrete constructional column and the isolation layer template system is predetermine to the concrete constructional column adoption concrete constructional column, and the constructional column reinforcement adopts the constructional column reinforcement bed-jig, and the isolation layer is predetermine to the concrete constructional column and is got the back exhibition formula of pay-off adoption square constructional column and get the material feeding unit and the back exhibition formula of circular post and get the material feeding unit.
The synchronous pouring construction method for the preset isolation layer of the concrete constructional column is characterized by comprising the following steps of:
1) construction preparation; 2) processing longitudinal bars and stirrups of the constructional column; 3) erecting a constructional column steel bar binding jig frame; 4) constructing a main reinforcement of a steel bar of the constructional column; 5) constructing a constructional column stirrup; 6) erecting a constructional column template support, and reserving a constructional column guide hole; 7) pouring concrete below the pilot tunnel; 8) mounting an isolation layer template; 9) laying a waste receiving groove; 10) installing a sand filling device; 11) pouring isolation sand; 12) leveling and supplementing materials by using a material taking and feeding device; 13) sealing the pilot hole; 14) pouring concrete above the pilot tunnel; 15) and stripping the mold to treat the sand layer.
The invention has the following outstanding advantages and remarkable effects:
the concrete constructional column preset isolation layer template system adopts the overflow concrete environment-friendly collection template hole opening technology, is novel in structural design and convenient and fast to assemble and disassemble, can reduce material waste, saves cost, and can effectively ensure that a concrete member still keeps the design stress characteristic.
The rear-unfolding type material taking and feeding device for the square constructional column and the rear-unfolding type material taking and feeding device for the circular column are novel in structural design and convenient and fast to operate, the material taking and feeding construction of the isolation layer is facilitated, and the construction efficiency is improved.
3 the constructional column steel bar binding jig frame does not need post-planting constructional column longitudinal bars, so that the problem that the frame beam steel bars are damaged due to drilling is solved, and the common quality problem of connection with the frame beam caused by post-planting constructional column longitudinal bars is radically solved.
The telescopic push-pull device and the outer rod locking device are ingenious in design, and the material taking and feeding device can be effectively stretched and folded by means of mechanical transmission, so that the application range of the material taking and feeding device is expanded.
Drawings
Fig. 1 is a construction schematic diagram of synchronous pouring of a preset isolation layer of a concrete constructional column.
Fig. 2 is a schematic view of installation and construction of a formwork system for a preset isolation layer of a concrete constructional column.
Fig. 3 is a schematic illustration of pilot hole plugging.
FIG. 4 is a schematic plan view of a concrete construction column preplaced insulation formwork system.
Fig. 5 is an installation schematic diagram of the rear-spread type material taking and feeding device, which is suitable for a square constructional column.
Fig. 6 is an installation completion effect diagram of the rear spread type material taking and feeding device, which is suitable for a square constructional column.
Fig. 7 is an installation schematic diagram of the rear spreading type material taking and feeding device, which is suitable for a circular constructional column.
FIG. 8 is an installation construction drawing of a constructional column main bar binding fixing frame;
fig. 9 is a schematic view of a post cross-sectional shape rebar fastener.
Figure 10 is a view of the stirrup resting platform configuration.
FIG. 11 is a stirrup holder configuration diagram.
In the figure: 1-isolating layer template, 2-rotating hinge, 3-waste material receiving groove hook, 4-rotating easy-open-close observation overflow hole, 5-hoop fixing plate, 6-hoop preformed hole, 7-material taking hole, 8-easy-open hoop, 9-hook sleeve, 10-waste material receiving groove, 11-waste material receiving groove bottom plate, 12-waste material receiving groove side wall, 13-constructional column, 14-wood keel, 15-nail, 16-blocking plate, 17-square wood, 18-transverse steel pipe, 19-longitudinal steel pipe, 20-material taking and feeding fixed inverted T-shaped main plate, 21-T-shaped main plate main rib penetrating groove, 22-connecting chain belt, 23-rotating chain, 24-material taking and feeding movable T-shaped main plate, 25-outer rod locking device, 26-movable T-shaped main plate connecting plate, 27-locking device reserved opening, 28-rotating connecting rod, 29-rotating shaft, 30-fixed main rod, 31-movable push-pull outer rod, 32-circular constructional column, 33-fixed main rod of arc-shaped main plate, 34-arc-shaped movable T-shaped main plate connecting plate, 35-push-pull spring, 36-telescopic push-pull device, 37-tension telescopic rod, 38-tension telescopic spring, 39-locking bolt, 40-arc-shaped material taking and feeding fixed inverted T-shaped main plate, 41-upper beam, 42-upper beam main rib, 43-supporting upright column, 44-dispersing device, 45-stirrup of constructional column, 46-stirrup placement piece, 47-rotating shaft with hinge, 48-lower beam, 49-lower beam main rib, 50-fixed bottom plate, 51-main rib, 52-diagonal brace, 53-vertical column, 54-stirrup placement platform, 55-rotary type dispersion hook, 56-dispersion plate with comb teeth, 57-column section shape steel bar fixing piece, 58-inner side steel bar placement groove, 59-bottom plate fixing nut, 60-upper beam stirrup, 61-guide hole and 62-isolation layer.
Detailed Description
The construction technical requirements of steel pipe welding and cutting, reinforcement cage binding, concrete pouring and the like in the embodiment of the invention are not repeated, the embodiment of the invention is mainly clarified, the invention is further described in detail by the embodiment with reference to the attached drawings, and the description is not limited to the following embodiment.
FIG. 1 is a schematic diagram illustrating a concrete constructional column preset isolation layer synchronous pouring construction; FIG. 2 is a schematic view of installation and construction of a formwork system for a preset isolation layer of a concrete constructional column; FIG. 3 is a schematic illustration of pilot hole plugging; FIG. 4 is a schematic plan view of a concrete construction column pre-insulation layer formwork system; FIG. 5 is a schematic view of the installation of the rear spread type material taking and feeding device (square constructional column); FIG. 6 is a diagram showing the effect of the installation of the rear spreading type material taking and feeding device (square constructional column); FIG. 7 is a schematic view of the installation of the rear spread type material taking and feeding device (circular constructional column); FIG. 8 is a construction drawing for installing a constructional column main bar binding and fixing frame; FIG. 9 is a schematic view of a post cross-sectional shape rebar fastener; FIG. 10 is a stirrup resting platform configuration view; FIG. 11 is a stirrup holder configuration diagram.
As shown in fig. 1 to 11, the concrete constructional column preset isolation layer template system mainly includes: isolation layer template (1), swivel hinge (2), waste material connect silo couple (3), rotatory easily open and close observation overflow hole (4), cuff fixed plate (5), cuff preformed hole (6), get material mouth (7), readily removable cuff (8), couple cover (9), waste material connect silo (10), waste material connect silo bottom plate (11), waste material connect silo lateral wall (12), wooden keel (14), nail (15), closure plate (16), square timber (17), horizontal steel pipe (18), vertical steel pipe (19). Isolation layer template (1) one side is opened and is had and get feed opening (7), and other sides are opened and are had the rotation and easily open and close observation overflow hole (4), and it sets up waste material and connects silo (10) to get feed opening (7) lower part, and the waste material connects silo (10) to be fixed in isolation layer template (1) through readily removable cuff (8) and couple cover (9), and the waste material connects silo (10) inboard to be L shape setting. The rotary easily opened and closed observation overflow hole (4) is connected with the isolation layer template (1) through a rotary hinge (2) to realize opening and closing; the waste material receiving groove (10) consists of a waste material receiving groove bottom plate (11) and a waste material receiving groove side wall (12).
Isolation layer template (1) and waste material connect silo (10) bottom to be equipped with cuff fixed plate (5), are equipped with cuff preformed hole (6) on cuff fixed plate (5), and easy dismouting cuff (8) pass cuff preformed hole (6) and place isolation layer template (1) and waste material under connecting silo (10) to can realize connecting the fixed of silo (10) to the waste material.
As shown in fig. 1 and 3, the waste material receiving groove (10) is fixed on the isolating layer template (1) through the detachable hoop (8) and the hook sleeve (9), specifically, the hook sleeve (9) is arranged below the material taking opening (7), and the hook (3) of the waste material receiving groove is hung on the hook sleeve (9).
As shown in fig. 2, the blocking plate (16) is arranged at the blocking material taking port (7), the blocking plate (16) is fixed on the isolating layer template (1) by a nail (15), and the outer side of the blocking plate (16) is fastened by a transverse steel pipe (18) and a longitudinal steel pipe (19) which are vertically connected; a wood keel (14) is arranged between the isolation layer template (1) and the transverse steel pipe (18) and the longitudinal steel pipe (19), and a square wood (17) is arranged between the blocking plate (16) and the longitudinal steel pipe (19).
As shown in fig. 5 to 7, the device for taking and feeding the preset isolation layer of the concrete constructional column mainly comprises: the material taking and feeding fixed inverted T-shaped main plate (20), a T-shaped main plate main rib penetrating groove (21), a connecting chain belt (22), a rotating chain (23), a material taking and feeding movable T-shaped main plate (24), an outer rod locking device (25), a movable T-shaped main plate connecting plate (26), a locking device reserved opening (27), a rotating connecting rod (28), a rotating shaft (29), a fixed main rod (30), a movable push-pull outer rod (31), a circular constructional column (32), a fixed main rod (33) of an arc-shaped main plate, an arc-shaped movable T-shaped main plate connecting plate (34), a push-pull spring (35), a telescopic push-pull device (36), a tension-compression telescopic rod (37), a tension-compression telescopic spring (38), a locking bolt (39) and an arc-shaped material taking and feeding fixed inverted.
The isolating layer is predetermine to concrete constructional column and is got material feeding unit and further contains the back exhibition formula that is applicable to square constructional column and gets material feeding unit and the back exhibition formula that is applicable to circular post and get material feeding unit. The rear-unfolding type material taking and feeding device of the square constructional column is designed in a shape similar to an umbrella and mainly comprises a material taking and feeding fixed inverted T-shaped main plate (20), a material taking and feeding movable T-shaped main plate (24), an outer rod locking device (25), a fixed main rod (30) and a movable push-pull outer rod (31); the movable push-pull outer rod (31) is sleeved on the fixed main rod (30), the upper end of the movable push-pull outer rod (31) is provided with a rotating connecting rod (28), the upper end of the specific movable push-pull outer rod (31) is provided with a rotating shaft (28), the rotating connecting rod (28) is rotatably connected to the rotating shaft (28), the other end of the rotating connecting rod (28) is connected with the movable T-shaped main plate connecting plate (26) through a rotating chain (23), the fetching and feeding movable T-shaped main plate (24) is connected with the movable T-shaped main plate connecting plate (26) and is arranged on two sides of the fetching and feeding fixed inverted T-shaped main plate (24), the end part of the fetching and feeding fixed inverted T-shaped main plate (20) is provided with a connecting chain belt (22), and the other end of the fetching and feeding.
As shown in fig. 5 and 6, a locking device reserved opening (27) is arranged on the movable push-pull outer rod (31), and the upper part of the movable push-pull outer rod is connected with the rotating connecting rod (28) through a rotating shaft (29); the upper part of the fixed main rod (30) is welded with the inverted T-shaped main plate (20) for taking and feeding materials, an outer rod locking device (25) is arranged on the fixed main rod, and the outer rod locking device (25) is matched with a locking device reserved opening (27) to lock the fixed main rod (30) and the movable push-pull outer rod (31).
The T-shaped main board main rib penetrating groove (21) is arranged on the material taking and feeding fixed inverted T-shaped main board (20); the other end of the movable T-shaped main board connecting board (26) is connected with a material taking and feeding movable T-shaped main board (21), and the other end of the material taking and feeding movable T-shaped main board (24) is connected with a connecting chain belt (22); the top of the tension and compression telescopic rod (37) is connected with a tension and compression telescopic spring (38).
The rear-unfolding type material taking and feeding device of the circular column mainly comprises a fixed main rod (33) of an arc-shaped main plate, an arc-shaped movable T-shaped main plate connecting plate (34), an arc-shaped material taking and feeding fixed inverted T-shaped main plate (40), a telescopic push-pull device (36) and a pull-press telescopic rod (37); arc activity T shape mainboard connecting plate (34) are established and are got the fixed cavity of falling T shape mainboard (40) of pay-off in the arc, the fixed mobile jib (33) cover of arc mainboard is on drawing and pressing telescopic link (37), be equipped with push-and-pull spring (35) on flexible push-and-pull device (36) and draw and press telescopic spring (38), draw and press telescopic spring (38) controllable connection in push-and-pull spring (35), push-and-pull spring (35) are arranged the arc in and are got the fixed T shape mainboard (40) of falling T shape of pay-off and be connected with arc activity T shape mainboard connecting plate (34), draw and press telescopic link (37) and be connected with flexible push-and-pull.
As shown in fig. 7, the top of the fixed main rod (33) of the arc-shaped main plate is welded with the arc-shaped material taking and feeding fixed inverted T-shaped main plate (40), and the lower part of the fixed main rod is provided with a locking bolt (39); one end of a push-pull spring (35) is connected with the arc-shaped movable T-shaped main board connecting plate (34), and the other end is connected with a telescopic push-pull device (36).
As shown in fig. 8 to 11, the constructional column reinforcement jig mainly includes: the device comprises a supporting upright post (43), a dispersing device (44), a stirrup placing piece (46), a rotating shaft (47) with a hinge, a fixed bottom plate (50), an inclined strut (52), a vertical upright post (53), a stirrup placing platform (54), a rotary dispersing hook (55), a dispersing plate (56) with comb teeth, a column section shape steel bar fixing piece (57) and an inner side steel bar placing groove (58); the main reinforcement (51) of the constructional column is fixed with the main girder (49) of the lower-layer girder (48) or the main reinforcement (42) of the upper-layer girder (41) in a one-way manner, a constructional column main reinforcement binding and fixing frame is arranged on the surface of the lower-layer girder (48) on the same layer, and the binding and fixing frame consists of a vertical upright post (53), a stirrup placing platform (54), a diagonal brace (52) with a bottom plate and a column section shape reinforcement fixing piece (57); column cross sectional shape reinforcing bar mounting (57) are arranged according to constructional column cross sectional shape size and reinforcing bar and are equipped with inboard reinforcing bar and shelve groove (58), are fixed in top stirrup through vertical stand (53) after the stirrup preparation and shelve platform (54), according to stirrup (45) interval of design constructional column and transfer in proper order by supreme installation down, set up the stirrup on vertical stand (53) and shelve piece (46), the stirrup is shelved piece (46) and is adopted the open-close formula to set up.
As shown in fig. 8, the fixed base plate (50) is fixed to the lower beam (48) by a base plate fixing nut (59), and the vertical pillar (53) is fixed to the fixed base plate (50).
As shown in fig. 8 and 10, a steel bar fixing piece (57) with a column section shape is arranged at the top of the vertical upright column (53), and a stirrup placing platform (54) is arranged below the top of the vertical upright column; the stirrup placing platform (54) is symmetrically provided with a dispersion plate (56) with comb teeth and a dispersion device (44), and the stirrups (45) of the bound constructional columns can be dispersed by the dispersion plate (56) with comb teeth; dispersion devices (44) top central authorities are equipped with support post (43), and support post (43) top is equipped with rotary type dispersion hook (55), and rotary type dispersion hook (55) support post (43) relatively rotates, and rotary type dispersion hook (55) touching stirrup (45), and stirrup (45) accessible rotary type dispersion hook (15) of constructional column after the dispersion realize whereabouts one by one.
As shown in fig. 8 and 11, the stirrup holder (46) is connected with the vertical upright post (53) in a rotating way through the rotating shaft (47) with the hinge, the stirrup holder (46) is connected with the vertical upright post (53) in a rotating way, opening and closing can be realized, and the stirrup (45) of the falling constructional column is placed on the stirrup holder (46).
The method for synchronously pouring and constructing the preset isolation layer of the concrete constructional column is characterized by comprising the following steps of:
1) construction preparation: organizing related personnel to conduct drawing review, then conducting technical background crossing on key procedures, conducting paying-off and positioning the elevation of guide holes in the isolating layer template (1) and the constructional column (13), and meanwhile positioning the position of the fixed bottom plate (50);
2) and (3) longitudinal reinforcement and stirrup processing of the constructional column: when the main reinforcement (51) of the constructional column adopts a binding overlap joint, the overlap length of the longitudinal tensile steel bar is in accordance with the standard requirement, and the stirrup (45) of the constructional column is processed in accordance with the design and the standard requirement;
3) and (3) erecting a constructional column steel bar binding jig: firstly, a fixed bottom plate (50) is placed at the positioning position of a lower-layer beam (48), then the fixed bottom plate (50) is fixed on the lower-layer beam (48) by a bottom plate fixing nut (59), a vertical upright post (53) is vertically fixed on the fixed bottom plate (50), a fixed post cross-section-shaped steel bar fixing part (57) is installed at the top of the vertical upright post (53), a stirrup placing platform (54) is installed at the position, close to the top, of the vertical upright post (53) after a main reinforcement (51) of a constructional column is manufactured and bound, a dispersion plate (56) with comb teeth and a dispersion device (44) are installed on the stirrup placing platform (54), and a rotary dispersion hook (55) is installed on the dispersion device (44);
4) constructing main steel bars of constructional column steel bars: installing a main rib (51) of the constructional column from bottom to top, penetrating the main rib into a reserved hole of a bottom die of an upper-layer beam (41), and placing the bound main rib (51) of the constructional column in an inner steel bar placing groove (58) of a steel bar fixing piece (57) with the cross-sectional shape of the column for fixing;
5) and (3) construction of a constructional column stirrup: installing stirrups (45) of a constructional column from bottom to top, processing the stirrups (45) of the constructional column on a stirrup placement platform (54), placing the stirrups (45) of the constructional column in batches on a dispersion plate (56) for dispersion, controlling the stirrups (45) of the constructional column to fall one by one from top to bottom through a rotary dispersion hook (55), and then utilizing a stirrup placement piece (46) on a vertical upright (53) to bind and fix the stirrups (45) of the constructional column;
6) and (3) erecting a constructional column template support, and reserving a constructional column guide hole: building a template of the constructional column (13), immediately coating the cut with paint after the pilot hole (61) is cut out by a cutting machine, avoiding a reinforcing steel bar encryption area by the elevation of the pilot hole (61) so as to facilitate construction, and enabling the opening direction of the pilot hole (61) to face indoors as much as possible so as to facilitate safe operation and observation;
7) pouring concrete below the pilot hole: the concrete of the constructional column (13) below the pilot hole (61) is poured before the integral pouring, and the main automobile pump can be directly poured by using the automobile pump when being poured, because the controllability of the automobile pump is good; if the main body is cast by a ground pump, the main body can be cast by hoisting by a tower crane;
8) installing an isolation layer template: the isolation layer formwork (1) is erected consistently according to a common formwork, construction is carried out by paying attention to the direction of the pilot tunnel (61), a reinforcing steel bar encryption area is observed before construction, and stirrups obstructing the opening of the pilot tunnel (61) are subjected to fine adjustment so as to facilitate the next procedure. When the template of the constructional column (13) is reinforced, the operation surface of the blocking plate (16) is not interfered by tens of millions of times, and the reinforcing system of the construction column needs to leave an operation space for a concrete operator; installing an isolation layer template (1) at an isolation layer (62), then additionally arranging wood keels (14) on the periphery of the upper part and the lower part of the isolation layer template (1), and then fixedly connecting the wood keels (14) at the sides of the wood keels (14) by using transverse steel pipes (18) and longitudinal steel pipes (19);
9) laying a waste receiving groove: a waste material receiving groove (10) is formed in the lower portion of a feeding opening (7) of the isolation layer template (1), the waste material receiving groove (10) is fixed to the isolation layer template (1) through an easy-to-detach hoop (8), and the inner side of the waste material receiving groove (10) is arranged in an L shape;
10) installing a sand filling device: the steel funnel is fixed on the isolating layer template (1) through a fixed hoop;
11) pouring isolation sand: pouring sand (an isolation layer (62)) into concrete on the upper part of the isolation layer (62) of the pouring constructional column (13), inserting a hose of a funnel into an isolation layer template (1), pinching the hose by hand, then filling the metered sand, loosening the hand, and swinging a steel pipe in front of the hose to ensure that fine sand is uniformly distributed in a mould;
12) carrying out leveling and material supplementing by using a material taking and feeding device: the material taking and feeding device is leveled and supplemented by the rear-unfolding material taking and feeding device of the square constructional column and the rear-unfolding material taking and feeding device of the circular column, and the material taking and feeding device adopts a telescopic push-pull device (36) and an outer rod locking device (25), so that the material taking and feeding device can be effectively unfolded;
13) closing the pilot hole: after the concrete of the ultra-high and low-elevation constructional column (13) is processed, cleaning the opening of a guide hole (61), plugging the guide hole (61) by using a plugging plate (16), fixing the guide hole (61) on an isolation layer template (1) by using a nail (15) on the plugging plate (16), hooping the plugging plate (16) by using a transverse steel pipe (18) and a longitudinal steel pipe (19), and arranging a square timber (17) between the plugging plate (16) and the longitudinal steel pipe (19);
14) pouring concrete above the pilot tunnel: after the construction of the poured sand layer is finished, covering an isolation plate or an isolation film on the fine sand layer after the pouring, pouring concrete of the upper constructional column (13), and pouring concrete above the pilot tunnel (61);
15) stripping the mold to treat the sand layer: after the form is removed, cleaning the isolation sand to form an isolation seam between the constructional column (13) and the upper-layer beam (41); the sand layer is removed and cleaned by the rear-unfolding type material taking and feeding device with the square constructional column and the rear-unfolding type material taking and feeding device with the circular column, and meanwhile, the sand layer is recycled by the waste material receiving groove (10), so that the site is prevented from being polluted.
Claims (8)
1. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column is characterized by comprising the following steps of:
1) construction preparation: paying off to position the elevation of the guide holes in the isolation layer template (1) and the constructional column (13), and positioning the position of the fixed bottom plate (50);
2) and (3) longitudinal reinforcement and stirrup processing of the constructional column: when the main reinforcement (51) of the constructional column adopts a binding overlap joint, the overlap length of the longitudinal tensile steel bar is in accordance with the standard requirement, and the stirrup (45) of the constructional column is processed in accordance with the design and the standard requirement;
3) and (3) erecting a constructional column steel bar binding jig: firstly, a fixed bottom plate (50) is placed at the positioning position of a lower-layer beam (48), then the fixed bottom plate (50) is fixed on the lower-layer beam (48) by a bottom plate fixing nut (59), a vertical upright post (53) is vertically fixed on the fixed bottom plate (50), a fixed post cross-section-shaped steel bar fixing part (57) is installed at the top of the vertical upright post (53), a stirrup placing platform (54) is installed at the position, close to the top, of the vertical upright post (53) after a main reinforcement (51) of a constructional column is manufactured and bound, a dispersion plate (56) with comb teeth and a dispersion device (44) are installed on the stirrup placing platform (54), and a rotary dispersion hook (55) is installed on the dispersion device (44);
4) constructing main steel bars of constructional column steel bars: installing a main rib (51) of the constructional column from bottom to top, penetrating the main rib into a reserved hole of a bottom die of an upper-layer beam (41), and placing the bound main rib (51) of the constructional column in an inner steel bar placing groove (58) of a steel bar fixing piece (57) with the cross-sectional shape of the column for fixing;
5) and (3) construction of a constructional column stirrup: installing stirrups (45) of a constructional column from bottom to top, processing the stirrups (45) of the constructional column on a stirrup placement platform (54), placing the stirrups (45) of the constructional column in batches on a dispersion plate (56) for dispersion, controlling the stirrups (45) of the constructional column to fall one by one from top to bottom through a rotary dispersion hook (55), and then utilizing a stirrup placement piece (46) on a vertical upright (53) to bind and fix the stirrups (45) of the constructional column;
6) and (3) erecting a constructional column template support, and reserving a constructional column guide hole: building a template of the constructional column (13), immediately coating the cut with paint after the pilot hole (61) is cut by a cutting machine, and keeping the elevation of the pilot hole (61) away from a reinforcing steel bar encryption area;
7) pouring concrete below the pilot tunnel: the constructional column (13) below the pilot hole (61) is cast before integral casting, the main body is directly cast by using an automobile pump when the automobile pump is cast, and if the main body is cast by using a ground pump, the main body is cast by using a tower crane in a hoisting manner;
8) installing an isolation layer template: the isolation layer template (1) is erected consistently according to a common template, the isolation layer template (1) is installed at an isolation layer (62), then wood keels (14) are additionally arranged on the periphery of the upper portion and the lower portion of the isolation layer template (1), and then a transverse steel pipe (18) and a longitudinal steel pipe (19) are fixedly connected to the sides of the wood keels (14);
9) laying a waste receiving groove: a waste material receiving groove (10) is arranged at the lower part of a feeding hole (7) of the isolation layer template (1), the waste material receiving groove (10) is fixed on the isolation layer template (1) through an easy-to-detach hoop (8), and the inner side of the waste material receiving groove (10) is arranged in an L shape;
10) installing a sand filling device: the steel funnel is fixed on the isolating layer template (1) through a fixed hoop;
11) pouring isolation sand: filling sand into the steel funnel, inserting a hose of the steel funnel into the isolation layer template (1), holding the hose with a hand, filling the metered sand, loosening the hand, and swinging the steel pipe in front of the hose to ensure that fine sand is uniformly distributed in the isolation layer template (1);
12) carrying out leveling and material supplementing by using a material taking and feeding device: leveling and supplementing materials through a rear-unfolding material taking and feeding device of the square constructional column and a rear-unfolding material taking and feeding device of the circular column;
13) closing the pilot hole: after the concrete of the ultra-high and low-elevation constructional column (13) is processed, cleaning the opening of a guide hole (61), plugging the guide hole (61) by using a plugging plate (16), fixing the guide hole (61) on an isolation layer template (1) by using a nail (15) on the plugging plate (16), hooping the plugging plate (16) by using a transverse steel pipe (18) and a longitudinal steel pipe (19), and arranging a square timber (17) between the plugging plate (16) and the longitudinal steel pipe (19);
14) pouring concrete above the pilot tunnel: after the construction of the poured sand layer is finished, covering an isolation plate or an isolation film on the fine sand layer after the pouring, pouring concrete of the upper constructional column (13), and pouring concrete above the pilot tunnel (61);
15) stripping the mold to treat the sand layer: after the form is removed, cleaning the isolation sand to form an isolation seam between the constructional column (13) and the upper-layer beam (41); the sand layer is removed and cleaned by a rear-spread type material taking and feeding device of a square constructional column and a rear-spread type material taking and feeding device of a round column, and meanwhile, the sand layer is recycled by a waste material receiving groove (10).
2. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column according to claim 1, characterized in that one side of an isolation layer template (1) is provided with a material taking and feeding port (7), the other side is provided with a rotary overflow hole (4) which is easy to open and close, the lower part of the material feeding port (7) is provided with a waste material receiving groove (10), and the inner side of the waste material receiving groove (10) is arranged in an L shape; the rotation is easily opened and close and is observed overflow hole (4) and connect on isolation layer template (1) through swivel hinge (2), and the waste material connects silo (10) to connect silo bottom plate (11), waste material to connect silo lateral wall (12) by the waste material and constitute, and the waste material connects silo (10) to be fixed in isolation layer template (1) through easy dismouting cuff (8) and couple cover (9).
3. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column as claimed in claim 2, wherein the isolation layer formwork (1) and the waste material receiving groove (10) are provided with hoop fixing plates (5) at the bottoms, the hoop fixing plates (5) are provided with hoop preformed holes (6), and the detachable hoop (8) passes through the hoop preformed holes (6) and is placed under the isolation layer formwork (1) and the waste material receiving groove (10).
4. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column according to claim 1, wherein the rear-expanding type material taking and feeding device of the square constructional column consists of a material taking and feeding fixed inverted T-shaped main plate (20), a material taking and feeding movable T-shaped main plate (24), a movable T-shaped main plate connecting plate (26), a rotating connecting rod (28), a fixed main rod (30), a movable push-pull outer rod (31) and a movable push-pull outer rod (31); the movable push-pull outer rod (31) is sleeved on the fixed main rod (30), the upper end of the movable push-pull outer rod (31) is provided with a rotating connecting rod (28), the other end of the rotating connecting rod (28) is connected with a movable T-shaped main plate connecting plate (26) through a rotating chain (23), the fetching and feeding movable T-shaped main plate (24) is connected with the movable T-shaped main plate connecting plate (26) and is arranged on two sides of the fetching and feeding fixed inverted T-shaped main plate (24), and the fetching and feeding fixed inverted T-shaped main plate (20) is arranged on the fetching and feeding fixed inverted T-shaped main plate (24).
5. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column as claimed in claim 4, characterized in that a rotating connecting rod (28) is rotatably connected to a rotating shaft (29), a connecting chain belt (22) is arranged at the end part of the fixed inverted T-shaped main plate (20) for taking and feeding materials, the other end of the movable T-shaped main plate (24) for taking and feeding materials is connected with the connecting chain belt (22), a locking device reserved opening (27) is arranged on the movable push-pull outer rod (31), an outer rod locking device (25) is arranged on the fixed main rod (30), and the outer rod locking device (25) is matched with the locking device reserved opening (27).
6. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column as claimed in claim 1, wherein the backward-spreading type material taking and feeding device of the circular column mainly comprises a fixed main rod (33) of an arc main plate, an arc movable T-shaped main plate connecting plate (34), an arc material taking and feeding fixed inverted T-shaped main plate (40), a telescopic push-pull device (36) and a tension and compression telescopic rod (37); arc activity T shape mainboard connecting plate (34) are established and are got the fixed cavity of falling T shape mainboard (40) of pay-off in the arc, the fixed mobile jib (33) cover of arc mainboard is on drawing and pressing telescopic link (37), be equipped with push-and-pull spring (35) on flexible push-and-pull device (36) and draw and press telescopic spring (38), draw and press telescopic spring (38) controllable connection in push-and-pull spring (35), push-and-pull spring (35) are arranged the arc in and are got the fixed T shape mainboard (40) of falling T shape of pay-off and be connected with arc activity T shape mainboard connecting plate (34), draw and press telescopic link (37) and be connected with flexible push-and-pull.
7. The synchronous pouring construction method for the preset isolation layer of the concrete constructional column as claimed in claim 6, wherein the top of the fixed main rod (33) of the arc main plate is welded with the arc-shaped material taking and feeding fixed inverted T-shaped main plate (40), the lower part of the fixed main rod is provided with a locking bolt (39), and the top of the tension and compression telescopic rod (37) is connected with the tension and compression telescopic spring (38).
8. The concrete constructional column preset isolation layer synchronous pouring construction method according to claim 1, wherein the stirrup placing piece (46) is connected with the vertical upright post (53) through a rotating shaft (47) with a hinge, wherein the inner wall of a dispersion plate (56) with comb teeth is provided with the comb teeth, the top center of the dispersion device (44) is provided with a support upright post (43), the top of the support upright post (43) is provided with a rotary dispersion hook (55), the rotary dispersion hook (55) rotates relative to the support upright post (43), and the rotary dispersion hook (55) touches the stirrup (45).
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