CN112196263B - Pouring device and method for beam slab column concrete engineering with different strength grades - Google Patents
Pouring device and method for beam slab column concrete engineering with different strength grades Download PDFInfo
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- CN112196263B CN112196263B CN202010964661.1A CN202010964661A CN112196263B CN 112196263 B CN112196263 B CN 112196263B CN 202010964661 A CN202010964661 A CN 202010964661A CN 112196263 B CN112196263 B CN 112196263B
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0472—Details of connection of the hose to the formwork, e.g. inlets
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Abstract
The utility model relates to a device of pouring of different intensity grade beam slab post concrete works belongs to the field of building engineering construction, the stirrup cage that will pour includes two beam reinforcement hoops of cross arrangement, at the vertical post reinforcement hoop that inserts of beam reinforcement hoop cross position, pour the device including the baffle that slides the setting and tilt up on beam reinforcement hoop, baffle central authorities enclose into nuclear core area, pour the device including stretching into the inside instrument of pouring concrete in with beam reinforcement hoop of nuclear core area, the discharge gate at the cloth machine is connected to the instrument of pouring. The pouring tool extends into the core area, and the pouring tool has the effect of convenient pouring operation. The application also discloses a pouring method of the beam slab column concrete engineering with different strength grades, which has the advantages that the construction joints of high-strength concrete in the core area and low-strength concrete connected with the core area are reduced, the high-strength concrete is prevented from flowing during construction, and the construction quality is enhanced.
Description
Technical Field
The application relates to the field of constructional engineering construction, in particular to a pouring device and method for beam slab column concrete engineering with different strength grades.
Background
In a reinforced concrete structure, beam-column joints of a high-rise building frame structure are complex, and the concrete strength grade of a vertical structure (column and wall) on the same floor is required to be higher than that of a horizontal structure (beam and plate) due to the results of load combination and internal force calculation.
At present, when a concrete core area is poured, the following two construction methods exist:
1. erecting a formwork baffle plate at the boundary of high-strength and low-strength concrete, pouring the high-strength concrete firstly, and pouring the low-strength concrete after the formwork is removed, so that a plurality of construction joints are generated on the vertical members and the horizontal members on the same layer, and the engineering quality is influenced; for example, the strength grade of the concrete of the basement outer wall is different from that of the concrete of the wall attaching column, and the basement outer wall is easy to leak when the method is used for construction;
2. the method comprises the steps of pouring commercial concrete by pumping, pouring high-strength-grade concrete to the top, and pouring low-strength-grade concrete, wherein the slump of the pumped concrete is generally 160-180 mm, and the pumped concrete flows more after being vibrated, so that the consumption of the high-strength-grade concrete is increased greatly, the workload is large, the time is not well mastered, the edge concrete of the high-strength-grade concrete is finally set after the time is long, the low-strength-grade concrete is not poured in a covering mode, cold seams are generated at the junction of the high-strength-grade concrete and the low-strength-grade concrete, and the engineering quality is influenced; the time is too short, the high-strength concrete is not initially set, the low-strength concrete is well covered and poured, the low-strength concrete is easily mixed into the high-strength concrete, the strength of the high-strength concrete is reduced, and the engineering quality is affected.
In view of the above-mentioned related arts, the inventors believe that the first construction method may generate construction joints, and the second method reduces the strength of high-strength-grade concrete, both affecting the engineering quality.
Disclosure of Invention
In order to improve the engineering quality, the application provides a pouring device and a pouring method for beam slab column concrete engineering with different strength grades.
First aspect, the application provides a device is pour to different intensity grade beam slab column concrete engineering, adopts following technical scheme:
the utility model provides a different intensity level beam slab column concrete engineering pour device, the stirrup cage that will pour includes two beam reinforcement hoops of cross arrangement, at the vertical post reinforcement hoop that inserts of beam reinforcement hoop cross position, pour the device including the baffle that slides and set up and slope on beam reinforcement hoop, baffle central authorities enclose into nuclear core area, pour the device including stretching into the inside pouring instrument of pouring concrete in nuclear core area and the beam reinforcement hoop, the discharge gate at the cloth machine is connected to the pouring instrument.
Through adopting above-mentioned technical scheme, behind the concrete that intensity is high pouring core area, the concrete is enclosed by the baffle and is established and preliminary shaping, then pours the concrete that intensity is low to the opposite side of baffle, then takes out the baffle gradually and makes the concrete in core area and the concrete connection of baffle opposite side inseparabler to the instrument of pouring is meticulous to be filled, the tamping concrete of being more convenient for reduces simultaneously and splashes the concrete outside the steel reinforcement hoop, is convenient for pour the operation.
Preferably, the beam muscle hoop is enclosed by many parallel reinforcing bars and reinforcing bar ring, and the reinforcing bar ring is equidistant to be fixed on the reinforcing bar, be provided with the spacing muscle of slope in the beam muscle hoop, be provided with the splice bar between two reinforcing bars, the splice bar is parallel and fixed with spacing muscle, the baffle both sides are provided with the joint groove, the joint groove is kept away from and is provided with the spout on the inner wall at baffle edge, spout and spacing muscle sliding connection, the opposite side inner wall in joint groove is contradicted with beam muscle hoop and splice bar lateral wall, the bottom surface of baffle is parallel with the axis of reinforcing bar, it has the rotor plate that shelters from the gap between joint groove and the beam muscle hoop bottom to articulate on the lateral wall of joint tank bottom, the rotor plate is for having elastic board.
Through adopting above-mentioned technical scheme, after setting up the template outside the muscle hoop cage, the baffle can with core zone and with the inside isolation of the adjacent beam reinforcement hoop in core zone, splice bar and baffle reduce the hourglass thick liquid volume between two regions when concreting, the baffle can be along spacing muscle roll-off, when pouring in the layering, can be gradually with the baffle roll-off, make the concrete contact in core zone and the beam reinforcement hoop to cross mixing connects inseparabler.
Preferably, the pouring tool comprises a connecting cylinder connected to a discharge port of the material distributor, a vibration motor is arranged on the connecting cylinder, a first material guide pipe is communicated with the bottom end of the connecting cylinder, the bottom end of the first material guide pipe is rotatably connected with a second material guide pipe, and the bottom end of the second material guide pipe is connected with a third material guide pipe which extends out in a bending mode.
Through adopting above-mentioned technical scheme, when the concrete in adding the steel bar hoop through first passage, second passage and third passage in proper order, vibrating motor vibrates, makes the unloading more smooth and easy, carries out preliminary vibration to the concrete after reinforced simultaneously, makes the preliminary tamping of concrete.
Preferably, a convex edge is arranged on the outer wall of the bottom end of the first material guide pipe, a groove is formed in the inner wall of the top end of the second material guide pipe, and the convex edge is connected with the groove in a sliding mode.
By adopting the technical scheme, the first material guiding pipe and the second material guiding pipe can rotate relatively, so that the third material guiding pipe can be driven to change the direction, and concrete can be accurately added to each corner.
Preferably, a bent guide tube is fixed at the bottom end of the second material guide tube, and the bottom end of the guide tube is connected with a third material guide tube.
By adopting the technical scheme, the position of the port of the third material guiding pipe can be changed when the direction of the second material guiding pipe is controlled, and the position of concrete pouring is convenient to adjust.
Preferably, an elliptical paving disc is arranged at the bottom end of the third material guide pipe.
By adopting the technical scheme, after the concrete is added, the laying plate can be contacted with the surface of the concrete, so that the concrete is preliminarily leveled.
Preferably, the second material guide pipe is sleeved with a damping cylinder, a plurality of springs are arranged between the damping cylinder and the second material guide pipe, one end of each spring is fixed on the inner wall of the damping cylinder, and the other end of each spring is fixed on the side wall of the second material guide pipe.
Through adopting above-mentioned technical scheme, the spring can reduce vibrating motor to people's vibration, when the direction of adjustment third passage, can stimulate the shock attenuation drum, adjusts, is convenient for stimulate when reducing the vibration influence to people and adjusts the third passage.
In a second aspect, the application provides a method for pouring beam slab column concrete engineering with different strength grades, which adopts the following technical scheme: the method comprises the following steps:
(1) binding a stirrup cage: firstly, fixing reinforcing rings on a plurality of parallel reinforcing steel bars at equal intervals, binding into a beam reinforcing hoop and a column reinforcing hoop, vertically inserting the column reinforcing hoop into the beam reinforcing hoop and fixing, welding a limiting rib inside the beam reinforcing hoop in an inclined manner, welding a connecting rib between the two reinforcing steel bars on the beam reinforcing hoop, and welding the connecting rib with the side wall of the limiting rib;
(2) erecting a template: according to the normal construction process, finishing the binding of the steel bars of the constructional column, finishing the erection of the template, and then reinforcing;
(3) installing a baffle: rotating the rotating plate, opening the clamping groove, sliding the baffle plate into the two limiting ribs, enabling the bottom surface of the baffle plate to abut against the template, rotating the rotating plate, and enabling the end part of the rotating plate to abut against the side wall of the clamping groove;
(4) setting and pouring auxiliary tools: fixing a pouring auxiliary tool on a discharge port of the material distributor through a flange plate, inserting a third material guide pipe into the core area, manually rotating to adjust the second material guide pipe, and adjusting the position of the third material guide pipe;
(5) pouring concrete: starting a vibration motor and a material distributor, pouring concrete with higher elevation to the bottommost layer of the core area, pouring the concrete to half of the height of the core area, and performing primary compaction on the poured concrete by using a vibrator; rotating the rotating plate, pouring concrete with lower strength to the other side of the baffle plate, sliding the baffle plate upwards, sliding half of the baffle plate out of the reinforcement hoop cage, enabling the concrete with high strength to be in contact with the concrete with low strength, and simultaneously performing primary compaction;
pouring high-strength concrete into the core area again to enable the core area to be filled with the concrete, then performing primary compaction, pouring low-strength concrete on the other side of the baffle before initial setting, and then performing primary compaction;
finally, the baffle is drawn out, and the vibrator is used for compacting the concrete in the core area and the beam rib hoops connected with the core area again;
(6) concrete curing: covering a plastic film on the surface of the concrete, covering a straw bag, watering and curing, placing the interior of the concrete for evaporation, and keeping the surface of the concrete moist;
through adopting above-mentioned technical scheme, pour behind hoops and auxiliary device set up to under the block of baffle, make the concrete shaping in the core zone, and concrete is pour simultaneously in core zone and the beam reinforcement hoop, and in time vibrate, reinforcing strength and the inseparable degree of connection. The construction joint of high-strength concrete in the core area and low-strength concrete connected with the core area is reduced, so that the high-strength concrete is prevented from flowing during construction, the forming strength of the concrete is improved, and the construction quality is enhanced. And the baffle can be reused.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after concrete with high strength is poured into the core area, the concrete is surrounded by the baffle plate and is preliminarily formed, then concrete with low strength is poured into the other side of the baffle plate, then the baffle plate is gradually pulled out to enable the concrete in the core area to be more tightly connected with the concrete on the other side of the baffle plate, and a pouring tool is used for filling materials finely, so that the concrete is more conveniently tamped, meanwhile, the concrete splashed outside the steel bar hoops is reduced, and the pouring operation is facilitated;
2. the construction joint of high-strength concrete in the core area and low-strength concrete connected with the core area is reduced, so that the high-strength concrete is prevented from flowing during construction, the forming strength of the concrete is improved, and the construction quality is enhanced.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is an exploded view of the baffle plate to beam hoops of the present application;
FIG. 3 is a schematic structural view of the baffle plate connected with the limiting ribs and the connecting ribs;
FIG. 4 is a schematic view of the construction of a casting tool of the present application;
fig. 5 is a cross-sectional view of a casting tool of the present application.
Description of reference numerals: 1. a discharge port; 2. a stirrup cage; 21. a beam rib hoop; 22. a column reinforcement hoop; 23. reinforcing steel bars; 24. a reinforcing bar ring; 25. a core region; 26. limiting ribs; 27. connecting ribs; 3. pouring the device; 31. a baffle plate; 311. a groove; 312. a chute; 313. a clamping groove; 314. a rotating plate; 32. pouring a tool; 321 connecting cylinder; 322. a flange plate; 323. a vibration motor; 324. a first material guide pipe; 3241. a rib; 325. a second material guide pipe; 3251. a card slot; 326. a third material guide pipe; 327. a guide tube; 328. laying a tray; 329. a damping device; 3291. a spring; 3292. a damping cylinder; 3293. a handle.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses device of pouring of different intensity grade beam slab column concrete engineering, refers to fig. 1, pours device 3 and still includes the pouring instrument 32 of installing on the discharge gate 1 of concrete spreader including installing baffle 31 in stirrup cage 2, pours the instrument 32 and is used for adding the concrete in the stirrup cage 2.
The stirrup cage 2 comprises a beam stirrup 21 and a column stirrup 22, the beam stirrup 21 and the column stirrup 22 are surrounded by a plurality of parallel reinforcing steel bars 23 and reinforcing rings 24, the reinforcing rings 24 are fixed on the reinforcing steel bars 23 at equal intervals, and then the column stirrup 22 is vertically inserted into the beam stirrup 21 and fixed.
Referring to fig. 2 and 3, a pair of limiting ribs 26 are welded on the inner wall of one end of the beam hoops 21 close to the column hoops 22, the top ends of the limiting ribs 26 incline towards the core area 25, connecting ribs 27 parallel to the limiting ribs 26 are further fixed between two reinforcing steel bars of the beam hoops 21, and the connecting ribs 27 are close to one side of the limiting ribs 26.
The two limiting ribs 26 are slidably connected with a baffle plate 31. The both sides of baffle 31 are provided with joint groove 313, and joint groove 313 extends to the upper end of baffle 31 by the bottom of baffle 31, and joint groove 313 keeps away from and is provided with sunken spout 312 on the inner wall at baffle 31 edge, and when baffle 31 from top to bottom slide clamping received on roof beam muscle hoop 21, spout 312 and spacing muscle 26 sliding connection, the inner wall conflict roof beam muscle hoop 21 of joint groove 313 opposite side and the lateral wall of splice muscle 27.
Articulated on the lateral wall of joint groove 313 bottom have rotor plate 314, rotor plate 314 is for having elastic board, and when baffle 31 was connected on beam muscle hoop 21, rotates rotor plate 314, makes rotor plate 314 one side edge support tightly on joint groove 313 bottom lateral wall, and the opposite side edge supports tightly on reinforcing bar 23, and rotor plate 314 shelters from the gap that forms between joint groove 313 and the beam muscle hoop 21 bottom, makes baffle 31 more closely around beam muscle hoop 21.
The surface of the baffle 31 is provided with a concave groove 311, and referring to fig. 1, the bottom surface of the baffle 31 is parallel to the axis of the reinforcing steel bar 23 on the beam hoops 21.
Referring to fig. 2 and 3, the plurality of baffles 31 enclose a core area 25 of the central stirrup cage 2, concrete with higher strength is poured into the core area 25 and the column stirrups 22, and concrete with lower strength is poured into the beam stirrups 21. After the template is arranged outside the stirrup cage 2, when concrete with different strengths is poured on two sides of the baffle 31, the edge of the baffle 31 butts against the template to separate the concrete with different strengths, and the baffle 31 and the connecting ribs 27 reduce the slurry leakage amount of the concrete joints with different strengths.
Referring to fig. 4 and 5, the pouring tool 32 includes a connecting cylinder 321, the top end of the connecting cylinder 321 is fixed on the discharge port 1 of the distributing machine through a flange 322, and a vibration motor 323 is arranged on the connecting cylinder 321. The bottom end of the connecting cylinder 321 is connected with a first material guiding pipe 324, the bottom end of the first material guiding pipe 324 is rotatably connected with a second material guiding pipe 325, and the bottom end of the second material guiding pipe 325 is rotatably connected with a third material guiding pipe 326.
The outer wall of the bottom end of the first material guiding pipe 324 is provided with a convex rib 3241, the inner wall of the top end of the second material guiding pipe 325 is provided with an annular clamping groove 3251, the second material guiding pipe 325 is sleeved outside the first material guiding pipe 324, and the convex rib 3241 is inserted into the clamping groove 3251, so that the second material guiding pipe 325 can rotate around the axis of the first material guiding pipe 324.
A guide pipe 327 bent into an arc shape is connected to the bottom end of the second guide pipe 325, and the bottom end of the guide pipe 327 is connected to the third guide pipe 326. Thus, the position of the third guide pipe 326 can be changed by rotating the second guide pipe 325. A laying disc 328 is fixed to a bottom end port of the third material guiding pipe 326, and one end of the laying disc 328 protrudes. The third material guiding pipe 326 is inserted into the core area 25, and the second material guiding pipe 325 is manually adjusted to precisely lay the concrete at each corner of the core area 25.
At present in site operation, generally concrete is directly from discharge gate 1 vertical fall into in core area 25, and the concrete can remain after the blanking and pile up at stirrup cage 2's upper surface, then slide gradually in core area 25, pile up at stirrup cage 2 upper surface at first the concrete can influence the subsequent operation of staff to bubble and space are more between the concrete.
Therefore, the pouring tool 32 reduces the concrete remaining on the upper surface of the stirrup cage 2, facilitates the operation, reduces air bubbles and gaps between the concrete, reduces the time for vibrating operation, and improves the working efficiency.
And vibrating motor 323 vibrates, makes the more smooth and easy unloading of concrete, makes simultaneously and lays dish 328 contact concrete, has the effect of preliminary jolt ramming to the concrete, reduces bubble and space in the concrete, makes the concrete intensity of nuclear core region 25 higher.
And because the interior corners in core 25 are difficult to reach, the concrete can be vibrated by projecting the pointed end of laying disc 328, so that the concrete is laid for the first time, and the filling accuracy is higher.
Meanwhile, the baffle 31 is provided with the groove 311, so after pouring forming, concrete with different strengths at the edge joint of the core area 25 is in cross mixed connection, connection is tighter, and connection strength is enhanced.
In order to reduce the impact of the vibration of the pouring tool 32 on the human hand, a damping device 329 is arranged outside the second material guiding pipe 325, the damping device 329 comprises a plurality of springs 3291, one end of each spring 3291 is fixed on the side wall of the second material guiding pipe 325, a damping cylinder 3292 is sleeved outside the second material guiding pipe 325, the other end of each spring 3291 is fixed on the inner wall of the corresponding damping cylinder 3292, and a handle 3293 is fixed on the outer wall of the corresponding damping cylinder 3292.
The implementation principle of the pouring device of the beam slab column concrete engineering with different strength grades is as follows: firstly, the top end of the connecting cylinder 321 is fixed with the discharge port 1 of the distributing machine through the flange 322, then the third material guiding pipe 326 is inserted into the core area 25, and the distributing machine pours concrete into the core area 25 through the first material guiding pipe 324, the second material guiding pipe 325 and the third material guiding pipe 326.
The handle 3293 is held by hand, the second material guiding pipe 325 is rotated, and the position of the third material guiding pipe 326 in the core area 25 is changed, so that the concrete can accurately fall into each corner in the core area 25.
The embodiment of the application also discloses a pouring method of the beam slab column concrete engineering with different strength grades, which comprises the following steps:
(1) and (3) binding a stirrup cage 2: firstly, fixing a reinforcement ring 24 on a plurality of parallel reinforcements 23 at equal intervals, binding into a beam reinforcement hoop 21 and a column reinforcement hoop 22, vertically inserting the column reinforcement hoop 22 into the beam reinforcement hoop 21 and fixing, obliquely welding a limiting rib 26 inside the beam reinforcement hoop 21, welding a connecting rib 27 between the two reinforcements 23 on the beam reinforcement hoop 21, and welding the connecting rib 27 and the side wall of the limiting rib 26;
(2) erecting a template: according to the normal construction process, after the constructional column steel bars 23 are bound, the formwork is erected, and then reinforcement is carried out;
(3) mounting the baffle 31: rotating the rotating plate 314, opening the clamping groove 313, sliding the baffle plate 31 into the two limiting ribs 26, enabling the bottom surface of the baffle plate 31 to abut against the template, rotating the rotating plate 314, and enabling the end part of the rotating plate 314 to abut against the side wall of the clamping groove 313;
(4) setting an auxiliary pouring tool 32: fixing a pouring tool 32 on a discharge port 11 of the distributing machine through a flange 322, inserting a third material guiding pipe 326 into the core area 25, manually rotating to adjust the second material guiding pipe 325, and adjusting the position of the third material guiding pipe 326;
(5) pouring concrete: starting a vibration motor 323 and a material distributor, pouring concrete with higher elevation to the bottommost layer of the core area 25, pouring the concrete to half of the height of the core area 25, and performing primary compaction on the poured concrete by using a vibrator; rotating to open the rotating plate 314, pouring concrete with lower strength to the other side of the baffle 31, sliding the baffle 31 upwards, sliding half of the baffle 31 out of the reinforcement cage, enabling the concrete with high strength to be in contact with the concrete with low strength, and simultaneously performing primary compaction;
pouring concrete with high strength into the core area 25 again to enable the core area 25 to be filled with the concrete, then performing primary compaction, pouring concrete with low strength on the other side of the baffle 31 before initial setting, and then performing primary compaction;
finally, the baffle 31 is drawn out, and the concrete in the core area 25 and the beam reinforcement hoop 21 connected with the core area 25 is compacted again by using a vibrator;
construction joints of high-strength concrete in the core area 25 and low-strength concrete connected with the core area 25 are reduced, so that the high-strength concrete is prevented from flowing during construction, and the construction quality is enhanced;
(6) concrete curing: covering the concrete surface with plastic film and covering with straw bag, watering and curing, placing the concrete interior for water evaporation, and keeping the concrete surface moist.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. A pouring device for beam slab column concrete engineering with different strength grades is characterized in that a stirrup cage (2) to be poured comprises two beam stirrup hoops (21) which are arranged in a crossed manner, and column stirrup hoops (22) are vertically inserted into the crossed positions of the beam stirrup hoops (21), the pouring device (3) comprises baffles (31) which are arranged on the beam stirrup hoops (21) in a sliding manner and inclined, the centers of the baffles (31) form a core area (25), the pouring device (3) comprises a pouring tool (32) which extends into the core area (25) and pours concrete into the beam stirrup hoops (21), and the pouring tool (32) is connected with a discharge port (1) of a material distributor;
the pouring tool (32) comprises a connecting cylinder (321) connected to the discharge port (1) of the distributing machine, a vibration motor (323) is arranged on the connecting cylinder (321), the bottom end of the connecting cylinder (321) is communicated with a first material guide pipe (324), the bottom end of the first material guide pipe (324) is rotatably connected with a second material guide pipe (325), and the bottom end of the second material guide pipe (325) is connected with a third material guide pipe (326) which extends out in a bending mode;
a bent guide pipe (327) is fixed at the bottom end of the second material guide pipe (325), and the bottom end of the guide pipe (327) is connected with a third material guide pipe (326);
and a laying disc (328) with one protruding end is arranged at the bottom end of the third material guide pipe (326), and the laying disc (328) is obliquely arranged.
2. The pouring device for the beam-slab-column concrete engineering with different strength grades is characterized in that the beam-rib hoop (21) is surrounded by a plurality of parallel reinforcing steel bars (23) and reinforcing-bar rings (24), the reinforcing-bar rings (24) are fixed on the reinforcing steel bars (23) at equal intervals, an inclined limiting rib (26) is arranged in the beam-rib hoop (21), a connecting rib (27) is arranged between the two reinforcing steel bars (23), the connecting rib (27) is parallel and fixed with the limiting rib (26), clamping grooves (313) are arranged on two sides of the baffle plate (31), sliding grooves (312) are arranged on the inner walls of the clamping grooves (313) far away from the edge of the baffle plate (31), the sliding grooves (312) are connected with the limiting rib (26) in a sliding manner, the inner walls on the other sides of the clamping grooves (313) are parallel to the side walls of the beam-rib hoop (21) and the connecting rib (27), the bottom surface of the baffle plate (31) is parallel to the axis of the reinforcing steel bars (23), the side wall at the bottom end of the clamping groove (313) is hinged with a rotating plate (314) for shielding a gap between the clamping groove (313) and the bottom end of the beam hoops (21), and the rotating plate (314) is an elastic plate.
3. The pouring device for the beam slab column concrete engineering with different strength grades is characterized in that a convex rib (3241) is arranged on the outer wall of the bottom end of the first material guiding pipe (324), a groove (311) is formed on the inner wall of the top end of the second material guiding pipe (325), and the convex rib (3241) is in sliding connection with the groove (311).
4. The pouring device for the beam-slab-column concrete engineering with different strength grades is characterized in that a damping cylinder (3292) is sleeved outside the second guide pipe (325), a plurality of springs (3291) are arranged between the damping cylinder (3292) and the second guide pipe (325), one end of each spring (3291) is fixed on the inner wall of the damping cylinder (3292), and the other end of each spring (3291) is fixed on the side wall of the second guide pipe (325).
5. The pouring method of different strength grade beam slab column concrete engineering according to claim 1, characterized by comprising the following steps:
(1) binding the stirrup cage (2): firstly, fixing reinforcing rings (24) on a plurality of parallel reinforcing steel bars (23) at equal intervals, binding into a beam reinforcing hoop (21) and a column reinforcing hoop (22), vertically inserting the column reinforcing hoop (22) into the beam reinforcing hoop (21) and fixing, obliquely welding a limiting rib (26) inside the beam reinforcing hoop (21), welding a connecting rib (27) between the two reinforcing steel bars (23) on the beam reinforcing hoop (21), and welding the connecting rib (27) with the side wall of the limiting rib (26);
(2) erecting a template: according to the normal construction process, after the constructional column steel bars (23) are bound, the formwork is erected, and then reinforcement is carried out;
(3) mounting baffle (31): rotating the rotating plate (314), opening the clamping groove (313), sliding the baffle (31) into the two limiting ribs (26), enabling the bottom surface of the baffle (31) to abut against the template, rotating the rotating plate (314), and enabling the end part of the rotating plate (314) to abut against the side wall of the clamping groove (313);
(4) -providing an auxiliary pouring tool (32): fixing a pouring tool (32) on a discharge hole (1) of the distributing machine through a flange (322), inserting a third material guiding pipe (326) into the core area (25), manually rotating to adjust the second material guiding pipe (325), and adjusting the position of the third material guiding pipe (326);
(5) pouring concrete: starting a vibration motor (323) and a material distributor, pouring concrete with higher strength to the bottommost layer of the core area (25), pouring the concrete to half of the height of the core area (25), and using a vibrator to preliminarily tap the poured concrete; rotating to open the rotating plate (314), pouring concrete with lower strength to the other side of the baffle plate (31), and sliding the baffle plate (31) upwards to enable the concrete with high strength to be contacted with the concrete with low strength, and simultaneously carrying out primary compaction;
pouring concrete with high strength into the core area (25) again to enable the concrete to fill the core area (25), then performing primary compaction, pouring concrete with lower strength on the other side of the baffle (31) before initial setting, and then performing primary compaction;
finally, the baffle (31) is drawn out, and the concrete in the core area (25) and the beam rib hoops (21) connected with the core area (25) is compacted again by the vibrator;
(6) concrete curing: covering the concrete surface with plastic film and covering straw bag, spraying water and curing to prevent water evaporation inside the concrete and keep the concrete surface moist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964661.1A CN112196263B (en) | 2020-09-15 | 2020-09-15 | Pouring device and method for beam slab column concrete engineering with different strength grades |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010964661.1A CN112196263B (en) | 2020-09-15 | 2020-09-15 | Pouring device and method for beam slab column concrete engineering with different strength grades |
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| CN112196263A CN112196263A (en) | 2021-01-08 |
| CN112196263B true CN112196263B (en) | 2022-04-05 |
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