CN113622572B - Fixing construction method for hollow floor slab filling box - Google Patents
Fixing construction method for hollow floor slab filling box Download PDFInfo
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- CN113622572B CN113622572B CN202110956878.2A CN202110956878A CN113622572B CN 113622572 B CN113622572 B CN 113622572B CN 202110956878 A CN202110956878 A CN 202110956878A CN 113622572 B CN113622572 B CN 113622572B
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- filling box
- filling
- cushion block
- floating
- floor slab
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/21—Cross-ribbed floors
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a fixed construction method of a hollow floor slab filling box, which is characterized in that after the operation of binding steel bars at the bottom of a slab is finished, anti-floating ropes are fixed at the edge of a mounting position of the filling box in advance through screws, and then the anti-floating ropes are spliced into a shape like a Chinese character jing on the upper end surface of the filling box by connecting groups of the anti-floating ropes opposite to each other, so that the filling box is uniformly stressed due to the reasonable distribution of the connecting ropes, the iron wire input is favorably reduced, and the anti-floating effect of the filling box is favorably improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a hollow floor slab filling box fixing construction method.
Background
The cast-in-place concrete hollow floor slab is formed by adopting a light filling box as an internal mold and burying the light filling box in a reinforced concrete floor slab.
Because the filling box is made of light materials such as polystyrene foam plastics and the like, the filling box is easy to float upwards and deviate when concrete is poured, so that the whole steel reinforcement framework moves and deviates.
In actual construction, every packing case all needs more iron wire to carry out the ligature fixed for the iron wire input is big, and anti floating effect is poor, consequently still has the space of improving.
Disclosure of Invention
The invention provides a hollow floor slab filling box fixing construction method in order to reduce iron wire input and improve the anti-floating effect of the filling box.
The invention provides a hollow floor slab filling box fixing construction method, which adopts the following technical scheme:
a hollow floor slab filling box fixing construction method comprises the following steps:
s1: a support plate bottom die;
s2: and (4) line snapping and lofting: measuring and paying off the upper surface of the plate bottom mold, dividing the mounting positions of all filling boxes on the upper surface of the plate bottom mold, marking two fixed points on each side length of the mounting positions, and respectively falling on two quartering points of the mounting positions on the left side and the right side;
s3: and (3) binding bottom steel bars of the plate: binding plate bottom steel bars on the upper surface of the plate bottom mold, wherein the plate bottom steel bars form a mounting area for accommodating the filling box at a mounting position;
s4: installing an anti-floating rope: firstly, screwing a screw at each fixed point of a plate bottom die, wherein each screw corresponds to an anti-floating rope, and the screw is connected with the corresponding anti-floating rope through a circular ring;
s5: installing a filling box: placing each filling box in a corresponding installation area;
s6: connecting adjacent filling boxes;
s7: connecting an anti-floating rope: respectively connecting each group of two anti-floating ropes which are opposite to each other, and splicing the four anti-floating ropes into a Chinese character jing shape on the upper end surface of the filling box so as to fix the filling box in the installation area;
s8: binding plate surface reinforcing steel bars;
s9: and (5) pouring concrete.
Through adopting above-mentioned technical scheme, after accomplishing the reinforcement operation at the bottom of the board, will resist superficial the rope and fix in advance at the edge of packing case installation position through the screw, then through connecting each group mutual just right anti superficial rope, make anti superficial rope piece into "well" style of calligraphy at the packing case up end, the rational distribution of anti superficial rope makes the packing case atress even, is favorable to reducing the iron wire input, is favorable to improving the anti effect of floating of packing case simultaneously.
Preferably, in S2, after the division of the installation sites is completed, positioning points are marked at four corners of the installation sites respectively; in S5, a corner mortar pad is placed at each of the positioning points at the four corners of the installation site, and then the filling box is placed in the corresponding installation area, and the four corner mortar pads make the filling box overhead.
Through adopting above-mentioned technical scheme, four bight mortars have reduced the condition that needs the direct support of doing of bottom plate reinforcing bar, avoid bottom plate reinforcing bar pressurized deformation, are favorable to improving the levelness of packing the case simultaneously, and then improve hollow floor quality as the supporting part.
Preferably, eight clamping grooves are formed in the periphery of the upper end face of the filling box, the eight clamping grooves are evenly distributed on four side edges of the filling box, and the clamping grooves extend towards one end in the filling box to two sides of the clamping grooves and form extension parts of the clamping grooves; the clamping grooves of the adjacent filling boxes are oppositely arranged, two inserting strips are connected between the adjacent filling boxes, and inserting blocks are respectively arranged at two ends of each inserting strip; in S6, the adjacent filling boxes are connected by respectively clamping the insertion blocks at the two ends of the insertion strip in the two opposite clamping grooves of the adjacent filling boxes.
Through adopting above-mentioned technical scheme to improve the connection steadiness between the adjacent packing case, be favorable to improving the anti effect of floating of packing case.
Preferably, in S7, after the connecting step of the two opposite anti-floating ropes is completed, the anti-floating ropes cross the opening of the extending part of the card slot and limit the insert block in the card slot.
Through adopting above-mentioned technical scheme, improved the connection steadiness between inserted block and the draw-in groove, when accomplishing the fixed operation to filling the case, also in the same direction as the area and accomplish the joint work of cutting and filling the case, be favorable to improving the installation effectiveness of filling the case.
Preferably, the filling box is provided with a through hole in the middle, and two ends of the through hole are respectively communicated with the upper surface and the lower surface of the filling box.
By adopting the technical scheme, the concrete can pass through the through hole in the subsequent pouring process, so that the buoyancy is reduced, and the anti-floating effect is improved.
Preferably, in S2, after the installation site division is completed, an anchor point is marked at the midpoint of the installation site; in S5, firstly, radial threaded connection a plurality of double-screw bolts of through-hole lower extreme, a plurality of the double-screw bolts equidistant circumference distributes in the internal perisporium of through-hole, a plurality of double-screw bolt protrusion length is all unanimous, then places a middle part mortar cushion at the locating point department of installation position mid point, middle part mortar cushion is the round platform form, just middle part mortar cushion is the upper end narrowly, the wide setting of lower extreme, places the packing box in the installing zone that corresponds at last again, when placing the packing box, the middle part mortar cushion of below is aimed at to the packing box and transfers, all supports middle part mortar cushion periphery side until each double-screw bolt tip.
By adopting the technical scheme, the stud has the positioning and deviation rectifying effects, the placing work of the filling box can be finished stably, quickly and high-quality, and the arrangement of the stud enables the inner wall of the through hole and the outer peripheral surface of the middle mortar cushion block to keep a gap so as not to influence the normal passing of concrete during pouring; in addition, the protruding length of the stud is adjusted by rotating the stud, so that the distance between the four studs is changed adaptively, the four studs are conveniently clamped with different height positions of the middle mortar cushion block, and the height position of the filling box in the hollow floor slab is conveniently adjusted according to actual construction conditions.
Preferably, heavy groove has been seted up to the extension portion diapire of draw-in groove, the inserted block lower part protrusion is in the downside of cutting, works as when the inserted block is in with the draw-in groove joint, the inserted block lower part is pegged graft with heavy groove.
Through adopting above-mentioned technical scheme, be favorable to improving the steadiness of inserted block and draw-in groove.
Preferably, the corner mortar cushion block is in a circular truncated cone shape, and the corner mortar cushion block is wide in upper end and narrow in lower end.
Through adopting above-mentioned technical scheme to improve the area of contact of bight mortar cushion and packing case, be favorable to improving the steadiness of packing the case.
Drawings
Fig. 1 is a state diagram of a hollow floor slab filling box to be poured in the fixing construction method of the hollow floor slab filling box in the embodiment of the invention.
Fig. 2 is a state diagram of the hollow floor slab filling box in the fixing construction method of the hollow floor slab filling box according to the embodiment of the invention when the filling box is placed.
Fig. 3 is a vertical cross-sectional view of a filling box in the fixing construction method of the hollow floor filling box in the embodiment of the invention.
Fig. 4 is a state diagram of a hollow floor slab filling box in a fixing construction method without binding plate surface reinforcing steel bars.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Description of reference numerals: 1. a plate bottom die; 2. plate bottom steel bars; 3. filling a box; 31. a through hole; 32. a card slot; 321. sinking a groove; 322. an extension part; 33. a stud; 4. reinforcing steel bars on the plate surface; 5. packing a belt; 51. packing and buckling; 52. a screw; 53. a circular ring; 6. corner mortar cushion blocks; 7. a middle mortar cushion block; 8. cutting; 81. and (5) inserting the blocks.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
The embodiment of the invention discloses a hollow floor slab filling box fixing construction method. A fixing construction method for a hollow floor slab filling box comprises the following steps:
s1: a support plate bottom die;
s2: and (4) line snapping and lofting: referring to fig. 1 and 2, paying off is measured on the upper surface of a plate bottom mold 1, and mounting positions of filling boxes 3 are divided on the upper surface of the plate bottom mold 1, wherein the mounting positions are square, and a plurality of mounting positions are arranged in a matrix manner; then marking five positioning points in the installation position of each filling box 3, wherein one positioning point is positioned at the middle point of the installation position of the filling box 3, and the other four positioning points are respectively arranged at four corners of the installation position of the filling box 3; in addition, two fixed points are marked on each side length of the installation position, and the two fixed points on each side length of the installation position are respectively located on two quartering points on the left side and the right side of the side length of the installation position.
S3: and (3) binding bottom steel bars of the plate: and binding plate bottom steel bars 2 on the upper surface of the plate bottom die 1, wherein the plate bottom steel bars 2 form a mounting area for accommodating the filling box 3 at a mounting position.
S4: installing an anti-floating rope: firstly, a screw 52 is screwed at each fixing point of the plate bottom die 1, each screw 52 corresponds to one anti-floating rope, and the screw 52 is connected with the corresponding anti-floating rope through a circular ring 53.
S5: installing a filling box: before the filling box 3 is placed, a corner mortar cushion block 6 is placed at each of four positioning points at four corners of an installation position, the corner mortar cushion block 6 is in a circular truncated cone shape, and the corner mortar cushion block 6 is inversely placed at the positioning points, so that the corner mortar cushion block 6 is wide at the upper end and narrow at the lower end, and the contact area between the corner mortar cushion block 6 and the filling box 3 is increased; each of the packing boxes 3 is then placed in the corresponding mounting area and the four corner mortar blocks 6 make the packing box 3 overhead to improve the levelness of the packing box 3.
Specifically, the middle of the filling box 3 is provided with a through hole 31, two ends of the through hole 31 are respectively communicated with the upper surface and the lower surface of the filling box 3, and the through hole 31 can be used for concrete to pass through in the subsequent pouring process so as to reduce the contact area between the lower surface of the filling box 3 and the concrete and improve the anti-floating effect.
In addition, referring to fig. 3, in order to facilitate positioning of the filling box 3, an operator radially and threadedly connects four studs 33 to the lower end of the through hole 31, the four studs 33 are circumferentially distributed on the inner circumferential wall of the through hole 31 at equal intervals, and the protruding lengths of the four studs 33 are all the same. Before the filling box 3 is placed, a middle mortar cushion block 7 is placed at a locating point at the middle point of an installation position, the middle mortar cushion block 7 is in a circular truncated cone shape, the middle mortar cushion block 7 is narrow at the upper end and wide at the lower end, and the height of the middle mortar cushion block 7 is higher than that of the corner mortar cushion block 6. When the filling box 3 is placed, the filling box 3 is aligned with the middle mortar cushion block 7 below and is placed downwards, the four studs 33 play a role in positioning and correcting deviation until the end parts of the four studs 33 are all abutted against the outer peripheral side of the middle mortar cushion block 7, and the lower surface of the filling box 3 is abutted against the upper end surface of the corner mortar cushion block 6, so that the placing work of the filling box 3 can be completed stably, quickly and high-quality, and the arrangement of the four studs 33 ensures that a gap is reserved between the inner wall of the through hole 31 and the outer peripheral surface of the middle mortar cushion block 7, so that the normal passing of concrete is not influenced during pouring; in addition, the protruding length of the stud 33 is adjusted by rotating the stud 33, so that the distance between the four studs 33 is changed adaptively, the four studs are conveniently clamped with different height positions of the middle mortar cushion block 7, and the height position of the filling box 3 in the hollow floor slab is conveniently adjusted according to actual construction conditions.
S6: connecting adjacent filling boxes 3:
referring to fig. 4 and 5, eight clamping grooves 32 are formed in the periphery of the upper end face of the filling box 3, the eight clamping grooves 32 are respectively arranged on four sides of the filling box 3, the clamping grooves 32 extend towards two sides of the clamping grooves 32 towards one end in the filling box 3 to form extending portions 322 of the clamping grooves 32, so that the clamping grooves 32 are T-shaped, and the clamping grooves 32 of the adjacent filling boxes 3 are arranged oppositely. Be connected with two cuttings 8 between the adjacent packing case 3, 8 both ends of cuttings are fixed with inserted block 81 respectively, and two inserted blocks 81 form the I shape connecting piece with the cuttings 8 to mutual just right draw-in groove 32 in the adjacent packing case 3 of adaptation, through inserted block 81 joint in the extension portion 322 of draw-in groove 32, be favorable to improving the connection steadiness between the adjacent packing case 3, further improve the anti effect of floating of packing case 3.
In addition, the bottom wall of the extension part 322 of the slot 32 is provided with a sinking groove 321, the lower part of the insert 81 protrudes out of the lower side of the insert 8, and when the insert 81 is connected with the slot 32 in a clamping manner, the lower part of the insert 81 is connected with the sinking groove 321 in an inserting manner, so that the stability of the insert 81 and the slot 32 is improved.
S7: connecting an anti-floating rope: the anti-floating rope is specifically a packing belt, an operator connects two opposite packing belts 5, during connection, the two packing belts 5 of the operator are overlapped and placed on the upper end face of the filling box 3 and are buckled at the joints of the two packing belts 5 by the packing buckles 51, then the clamping openings of the packing machine are opened, the packing buckles 51 are clamped by the clamping openings, the handle is pressed downwards, so that the packing buckles 51 and the two joints of the packing belts 5 are compressed, connection of the two opposite packing belts 5 is completed, then connection of the remaining three pairs of packing belts 5 is completed by the same method, and the four pairs of packing belts 5 are spliced into a shape like a Chinese character 'jing' on the upper end face of the filling box 3.
It is emphasized that the distance between the clamping groove 32 and the nearest edge of the filling box 3 is greater than one fourth of the side length of the filling box 3, and after the connection of the packing belt 5 is completed, the packing belt 5 is opened across the extension 322 of the clamping groove 32, so that the insert 81 is limited in the clamping groove 32, the connection stability between the insert 81 and the clamping groove 32 is improved, and the insert 8 is prevented from being separated from the filling box 3 during pouring.
In addition, the filling box 3 may be slotted for the installation of water and electricity lines.
S8: binding plate surface reinforcing steel bars;
s9: performing hidden inspection and concrete pouring: and (4) carefully checking the specification, the quantity, the installation position, the positioning measure, the anti-floating technical measure and the overall straightness of the filling material of the filling box 3, and filling the quality acceptance record of the installation inspection batch. And after the inspection and the confirmation are qualified, pouring concrete.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. A hollow floor slab filling box fixing construction method is characterized in that: the method comprises the following steps:
s1: a support plate bottom die;
s2: and (4) line snapping and lofting: measuring and paying off the upper surface of the plate bottom die (1), dividing the upper surface of the plate bottom die (1) into installation positions of the filling boxes (3), marking two fixed points on each side length of each installation position, and respectively dropping the two fixed points on two quartering points of the installation positions on the left side and the right side;
s3: and (3) binding bottom steel bars of the plate: binding plate bottom steel bars (2) on the upper surface of the plate bottom mold (1), wherein the plate bottom steel bars (2) form an installation area for accommodating the filling box (3) at an installation position;
s4: installing an anti-floating rope: firstly, screwing a screw (52) at each fixed point of a bottom plate (1), wherein each screw (52) corresponds to an anti-floating rope, and the screw (52) is connected with the corresponding anti-floating rope through a circular ring (53);
s5: installing a filling box: placing each filling box (3) in a corresponding mounting area;
s6: connecting adjacent filling boxes;
s7: connecting an anti-floating rope: the two anti-floating ropes which are opposite to each other in each group are respectively connected, and four pairs of anti-floating ropes are spliced into a shape like a Chinese character 'jing' on the upper end surface of the filling box (3), so that the filling box (3) is fixed in the installation area;
s8: binding plate surface reinforcing steel bars;
s9: pouring concrete;
a through hole (31) is formed in the middle of the filling box (3), and two ends of the through hole (31) are respectively communicated with the upper surface and the lower surface of the filling box (3);
in S2, after the division of the installation positions is completed, marking an anchor point at the midpoint of the installation positions; in the S5, a plurality of studs (33) are radially and spirally connected to the lower end of the through hole (31), the studs (33) are circumferentially distributed on the inner peripheral wall of the through hole (31) at equal intervals, the protruding lengths of the studs (33) are uniform, then a middle mortar cushion block (7) is placed at a locating point of the middle point of an installation position, the middle mortar cushion block (7) is in a circular truncated cone shape, the upper end of the middle mortar cushion block (7) is narrow, the lower end of the middle mortar cushion block (7) is wide, finally the filling box (3) is placed in a corresponding installation area, and when the filling box (3) is placed, the filling box (3) is aligned with the middle mortar cushion block (7) below and is placed downwards until the end part of each stud (33) abuts against the outer peripheral side of the middle mortar cushion block (7);
in the step S2, after the division of the installation positions is completed, positioning points are marked at four corners of the installation positions respectively; in the step S5, corner mortar pads (6) are placed at the positioning points at the four corners of the installation position, then the filling box (3) is placed in the corresponding installation area, and the filling box (3) is overhead by the four corner mortar pads (6).
2. The fixing construction method for the hollow floor slab filling box according to claim 1, characterized in that: eight clamping grooves (32) are formed in the periphery of the upper end face of the filling box (3), the eight clamping grooves (32) are uniformly distributed on four side edges of the filling box (3), one end, facing the inside of the filling box (3), of each clamping groove (32) extends towards two sides of each clamping groove (32), and an extending portion (322) of each clamping groove (32) is formed; the clamping grooves (32) of the adjacent filling boxes (3) are oppositely arranged, two inserting strips (8) are connected between the adjacent filling boxes (3), and inserting blocks (81) are respectively arranged at two ends of each inserting strip (8); in S6, the insertion blocks (81) at the two ends of the insertion strip (8) are respectively clamped in the two opposite clamping grooves (32) in the adjacent filling boxes (3), so that the adjacent filling boxes (3) are connected.
3. The hollow floor slab filling box fixing construction method according to claim 2, characterized in that: in S7, after the connecting step of the two opposite anti-floating ropes is completed, the anti-floating ropes cross the opening of the extending part (322) of the card slot (32) and limit the insert block (81) in the card slot (32).
4. The hollow floor slab filling box fixing construction method according to claim 2, characterized in that: heavy groove (321) have been seted up to extension portion (322) diapire of draw-in groove (32), insert piece (81) lower part protrusion in the downside of cutting (8), work as when insert piece (81) and draw-in groove (32) joint, insert piece (81) lower part is pegged graft with heavy groove (321).
5. The fixing construction method for the hollow floor slab filling box according to claim 1, characterized in that: the corner mortar cushion block (6) is in a round table shape, and the corner mortar cushion block (6) is wide in upper end and narrow in lower end.
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| CN213898132U (en) * | 2020-11-04 | 2021-08-06 | 中建新疆建工集团第一建筑工程有限公司 | Anti-floating positioning structure of cast-in-situ hollow floor core mold |
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