CN110984452A - GBF honeycomb core plate construction auxiliary device and construction method - Google Patents
GBF honeycomb core plate construction auxiliary device and construction method Download PDFInfo
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- CN110984452A CN110984452A CN201911233995.5A CN201911233995A CN110984452A CN 110984452 A CN110984452 A CN 110984452A CN 201911233995 A CN201911233995 A CN 201911233995A CN 110984452 A CN110984452 A CN 110984452A
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000007667 floating Methods 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 87
- 239000010959 steel Substances 0.000 claims description 87
- 238000003466 welding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011083 cement mortar Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 10
- 238000009415 formwork Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a GBF honeycomb core board construction auxiliary device, which comprises: the template, the anti-floating carrying pole device, the honeycomb core precast slab and the grid cloth are additionally arranged on the template to separate the template from the precast bottom plate, so that cement mortar in cast-in-place concrete can enter a gap between the precast slab and the template, and the floor surface is integrated after pouring is finished; increase simultaneously at honeycomb core top surface and press the effect reinforcing bar, the reinforcing bar is fixed between rib beam and honeycomb core, effectively solves the problem of honeycomb core come-up and displacement, improves the combination of prefabricated base and floor support template, guarantees that the space is closely knit, guarantees to connect the impression quality of stubble.
Description
Technical Field
The invention relates to the technical field of construction of concrete GBF honeycomb core plates in constructional engineering, in particular to an auxiliary device and a construction method for GBF honeycomb core plate construction.
Background
With the development of large-scale and modern industrial and civil buildings in China, the span and bay of the buildings are gradually increased, the requirements of the buildings on structural strength and earthquake resistance are higher and higher, the traditional concrete floor slab needs to meet the structural requirements by increasing the slab thickness, the beam section is enlarged, the investment of reinforcing steel bars and concrete is greatly increased, and the cost and the construction period are increased. Adopt GBF honeycomb core cast in situ concrete can be fine solution building large-span problem, reduce the dead weight and improve anti-seismic performance, it is effectual to keep warm syllable-dividing. The technology utilizes the series products of the honeycomb core to cast an internal space bearing unit in a cast-in-place concrete slab to form a horizontal structure system of the cast-in-place concrete bidirectional grid rib with definite force transmission, thereby having the effect of bearing load.
At present, the template is tiled during the construction of the common honeycomb core plate, and the precast concrete plate is tightly attached to the template to be placed. The construction method mainly has the following problems: 1) because the bottom of the prefabricated slab cannot be completely attached to the template, the slurry leakage phenomenon is easy to occur after concrete pouring, the joint between the bottom of the prefabricated slab and the rib beam is uneven, the post-treatment is troublesome, and the engineering quality is difficult to ensure; 2) in order to avoid slurry leakage at the bottom of the prefabricated slab, the prefabricated slab has high installation requirement precision, high requirement on the surface quality of the prefabricated slab and time and labor consumption in installation.
Disclosure of Invention
The invention aims to provide an auxiliary device and a construction method for GBF honeycomb core plate construction, which aim to solve the defects caused in the prior art.
A GBF honeycomb core construction assistance device, comprising: the device comprises a template, an anti-floating carrying pole device, a honeycomb core precast slab and grid cloth; the grid cloth is laid between the upper surface of the template and the lower surface of the honeycomb core precast slab; the anti-floating carrying pole device comprises a welded steel pipe, a fixed large-diameter screw, an acting reinforcing steel bar and a hanging rib, wherein a first round hole is formed in the central point of the welded steel pipe in the length direction and the central line point of the pipe diameter, a first nut is welded to the upper portion of the first round hole, and the upper portion of the hanging rib is matched with the first nut; welding reserved holes formed in the two ends of the steel pipe to enable the acting steel bars to penetrate through the reserved holes; the two ends of the welded steel pipe are provided with holes, the two ends of the welded steel pipe are welded with second screw caps with diameters smaller than the diameter of the welded steel pipe, and the two fixed large-diameter screws are matched with the second screw caps to tightly push the acting steel bars.
Specifically, the grid cloth is wider than the lower surface of the honeycomb core prefabricated plate.
Specifically, the first round hole is formed by a round hole with the diameter larger than 10mm, and the steel bar with the diameter of 10mm can directly penetrate through the hole.
Specifically, the hanging ribs are hooks made of steel bars with the diameter of 10 mm.
Specifically, the diameter of the openings at the two ends of the welded steel pipe is larger than 16mm, and the penetration of the action steel bar with the diameter of 16mm is ensured.
The invention also discloses a construction method using the GBF honeycomb core plate construction auxiliary device, which comprises the following steps:
s1, constructing a support system, namely bouncing the side line of the ribbed beam and the central line of the honeycomb core on the upper surface of the template so as to ensure the sectional dimension of the beam and the installation accuracy of the honeycomb core;
s2, binding rib beam steel bars;
s3, laying a layer of grid cloth on the upper surface of the floor slab and the lower surface of the honeycomb core precast slab, wherein the width of the grid cloth is larger than that of the lower surface of the honeycomb core precast slab;
and S4, mounting the anti-floating carrying pole device on the part to be poured, and pouring concrete.
Specifically, step S4 includes a step of manufacturing the anti-floating carrying pole device, in which a hole with a diameter greater than 10mm is formed in a center point of a length direction of a steel pipe with a length greater than a center distance between two adjacent honeycomb core plates and a center line point of a pipe diameter, a nut is welded on the hole, a steel bar with a diameter of 10mm is used to manufacture the hook, a threading machine is used to thread the upper portion of the hook, holes with a diameter greater than 16mm are formed at two ends of the welded steel pipe respectively, a nut is welded on the hole, and nuts with a diameter smaller than the diameter of the welded steel pipe are welded at two ends of the welded steel pipe.
Specifically, in step S4, the anti-floating carrying pole device is used by inserting the hanging bar into the rib beam steel bar, connecting the welded steel tube with the hanging bar, inserting the action steel bar through the holes at the two ends of the welded steel tube, directly abutting against the GBF honeycomb core plate, and installing two fixing screws at the nuts at the two ends of the welded steel tube for tightly and firmly abutting the action steel bar.
Specifically, the method further comprises a step of dismantling the anti-floating tool after the step S4, wherein two fixing screws are loosened, the action steel bars are taken out of the concrete, the action steel bars are taken out after the suspension steel bar screw threads are loosened, finally, the surface concrete is vibrated, the floor slab bottom formwork is dismantled, and the lower part of the GBF honeycomb core board precast slab is thinly plastered.
Specifically, the operation is performed in a circulating mode through the operation surface in the construction process, and after the concrete pouring is completed, the anti-floating tool is detached and transported to the next operation surface for standby.
According to the GBF honeycomb core board construction auxiliary device, the grid cloth is additionally arranged on the template to isolate the template from the prefabricated bottom board, so that cement mortar in cast-in-place concrete can enter a gap between the prefabricated board and the template, and the floor board is integrated after pouring is finished; simultaneously, the top surface of the honeycomb core is additionally provided with a pressing steel bar, and the steel bar is fixed between the rib beam and the honeycomb core, so that the problems of floating and displacement of the honeycomb core are effectively solved. After the top plate is cast and formed at one time by the construction method, the bottom of the plate is smooth and flat, the bottom of the rib beam does not need to be treated, and the construction quality and efficiency of the honeycomb core are greatly improved.
Drawings
FIG. 1 is a sectional view of a GBF honeycomb core of the present invention.
Fig. 2 is a top view of a GBF honeycomb core installation of the present invention.
FIG. 3 is an assembly view of the anti-floating tool of the present invention.
FIG. 4 is an assembled side view of the anti-floating tool of the present invention.
The steel plate comprises 1 a welded steel pipe, 2 a nut, 3 a hanging bar, 4 an acting reinforcing bar, 5 a GBF honeycomb core plate, 6 a rib beam reinforcing bar, 7 a grid cloth, 8 and a fixing screw.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, a GBF honeycomb core board construction assisting device includes: the device comprises a template, an anti-floating carrying pole device, a honeycomb core precast slab 5 and grid cloth 7; the mesh cloth 7 is laid between the upper surface of the template and the lower surface of the honeycomb core precast slab 5; the anti-floating carrying pole device comprises a welded steel pipe 1, a fixed large-diameter screw 8, an action steel bar 4 and a hanging bar 3, wherein a first round hole is formed in the central point of the welded steel pipe 1 in the length direction and the central line point of the pipe diameter, a first nut is welded on the upper portion of the first round hole, and the upper portion of the hanging bar 3 is matched with the first nut; welding reserved holes arranged at two ends of the steel pipe 1 to enable the action steel bars 4 to penetrate through the reserved holes; the two ends of the welded steel pipe 1 are provided with holes, the two ends of the welded steel pipe 1 are welded with second nuts with diameters smaller than the diameter of the welded steel pipe, and the two fixed large-diameter screws 8 are matched with the second nuts to tightly push the acting steel bar 4.
Specifically, the mesh cloth 7 is wider than the lower surface of the honeycomb core precast slab 5.
Specifically, the first round hole is formed by a round hole with the diameter larger than 10mm, and the steel bar with the diameter of 10mm can directly penetrate through the hole.
Specifically, the hanging ribs 3 are hooks made of steel bars with the diameter of 10 mm.
Specifically, the diameter of the openings at the two ends of the welded steel pipe 1 is larger than 16mm, and the penetration of the action steel bar 4 with the diameter of 16mm is ensured.
The invention discloses a GBF honeycomb core plate construction auxiliary device, which has the working principle that: 1. according to the same construction method of a common GBF honeycomb core board, firstly, the construction of a support system is completed, and the side line of a rib beam and the center line of a honeycomb core are bounced on the upper surface of a template, so that the section size of the beam and the installation accuracy of the honeycomb core are effectively ensured; 2. binding rib beam reinforcing steel bars 6, wherein the GBF honeycomb core floor slab has larger thickness, so that the cross-sectional area of the rib beam is larger, the reinforcing steel bars are firmly bound in the installation process, and the smoothness and the straightness of the reinforcing steel bar beam are ensured; 3. laying a layer of grid cloth 7 on the upper surface of the floor slab and the lower surface of the honeycomb core precast slab, wherein the grid cloth is wider than the lower surface of the honeycomb core precast slab 5; 4. the method comprises the steps of preparing concrete pouring, wherein an anti-floating carrying pole device is installed at a position where concrete is poured before the concrete pouring, and the anti-floating carrying pole device mainly comprises four parts, namely a welded steel pipe 1, a large-diameter screw 8, an acting reinforcing steel bar 4 and a hanging reinforcing steel bar 3.
The anti shoulder pole device that floats mainly comprises welding steel pipe, major diameter bolt, effect reinforcing bar, four parts of hanging the muscle, during the manufacturing: preparing a welded steel pipe 1 with the diameter of DN25, wherein the length of the welded steel pipe is greater than the center distance of two adjacent honeycomb core plates. Holes are formed in the center point of the steel pipe in the length direction and the center line point of the pipe diameter. The diameter of the opening is larger than that of the round hole with the diameter of 10mm, and the steel bar with the diameter of 10mm can directly pass through the hole. A nut 2 is welded on the upper part of the round hole, and the length of the steel bar hook is adjusted under the action of the nut; manufacturing a hook by using a steel bar with the diameter of 10mm, wherein the upper part of the hook adopts a screw thread form, and the length of the screw thread is manufactured according to the length required on site; holes are formed in two ends of the welded steel pipe, the diameter of each circular hole is larger than 16mm, and the penetration of 16 threaded steel bars is ensured; and welding nuts with the diameter smaller than that of the welded steel pipe at the two ends of the welded steel pipe, wherein the nuts are used for controlling the honeycomb core to prevent the floating phenomenon in the concrete pouring process.
When using the anti-floating carrying pole device: firstly, the hanging bar 3 is penetrated into the rib beam reinforcing steel bar 6; connecting the welded steel pipe 1 with a hanging rib 3; the action steel bar 4 passes through the preformed holes at the two ends of the welded steel pipe and is directly opposite to the GBF honeycomb core plate 5; two fixing screws 8 are arranged at the screw caps at two ends of the welded steel pipe 1, so that the two fixing screws 8 are enabled to tightly and firmly push the acting steel bars; during installation, the height control of the welded steel pipe 1 and the hanging bar 3 needs to be paid attention to, and the length of the steel bar 4 which is pushed into the GBF honeycomb core plate 5 corresponds to the length of the steel bar, so that the whole tool is ensured to transmit force to the rib beam steel bar 6; the concrete pouring beam slab is characterized in that anti-floating tools need to be installed in advance when a region is poured in the construction process, and the anti-floating tools are removed and replaced to the next region in time after pouring is completed, so that circular operation is realized.
After the construction is completed, the anti-floating carrying pole device can be disassembled: after the two fixing screws 8 are loosened, the acting reinforcing steel bars 4 are taken out of the concrete, and the hanging reinforcing steel bars 3 are taken out after being screwed. Finally vibrating the surface concrete; after the floor slab bottom formwork is removed, thin plastering can be selected at the lower part of the GBF honeycomb core board precast slab.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. A GBF honeycomb core board construction auxiliary device, characterized by includes: the device comprises a template, an anti-floating carrying pole device, a honeycomb core precast slab (5) and grid cloth (7); the mesh cloth (7) is laid between the upper surface of the template and the lower surface of the honeycomb core precast slab (5); the anti-floating carrying pole device comprises a welded steel pipe (1), a fixed large-diameter screw (8), an action steel bar (4) and a hanging bar (3), wherein a first round hole is formed in the central point of the welded steel pipe (1) in the length direction and the central line point of the pipe diameter, a first nut is welded to the upper portion of the first round hole, and the upper portion of the hanging bar (3) is matched with the first nut; welding reserved holes formed in two ends of the steel pipe (1) to enable the action steel bars (4) to penetrate through the reserved holes; holes are formed in two ends of the welded steel pipe (1), second nuts with diameters smaller than the diameter of the welded steel pipe are welded at the two ends of the welded steel pipe (1), and the two fixed large-diameter screws (8) are matched with the second nuts to tightly push the acting steel bars (4).
2. The auxiliary device for GBF honeycomb core board construction according to claim 1, wherein: the grid cloth (7) is wider than the lower surface of the honeycomb core precast slab (5).
3. The auxiliary device for GBF honeycomb core board construction according to claim 2, wherein: the first round hole is formed in a round hole with the diameter larger than 10mm, and the steel bar with the diameter of 10mm can directly penetrate through the hole.
4. The auxiliary device for GBF honeycomb core board construction as claimed in claim 3, wherein: the hanging ribs (3) are hooks made of steel bars with the diameter of 10 mm.
5. The auxiliary device for GBF honeycomb core board construction as claimed in claim 4, wherein: the diameter of the openings at the two ends of the welded steel pipe (1) is larger than 16mm, and the penetration of the action steel bar (4) with the diameter of 16mm is ensured.
6. A construction method using GBF honeycomb core board construction auxiliary device is characterized by comprising the following steps:
s1, constructing a support system, namely bouncing the side line of the ribbed beam and the central line of the honeycomb core on the upper surface of the template so as to ensure the sectional dimension of the beam and the installation accuracy of the honeycomb core;
s2, binding rib beam steel bars;
s3, laying a layer of grid cloth on the upper surface of the floor slab and the lower surface of the honeycomb core precast slab, wherein the width of the grid cloth is larger than that of the lower surface of the honeycomb core precast slab;
and S4, mounting the anti-floating carrying pole device on the part to be poured, and pouring concrete.
7. The construction method according to claim 6, further comprising a step of manufacturing an anti-floating carrying pole device by forming a hole having a diameter of more than 10mm at a center point in a length direction of the steel pipe having a length of more than a center distance between two adjacent honeycomb core plates and a center line point of a pipe diameter and welding a nut on the hole, forming a hook using a steel bar having a diameter of 10mm, threading an upper portion of the hook using a threading machine, forming holes having a diameter of more than 16mm at both ends of the welded steel pipe and welding a nut on the hole, and welding nuts having a diameter of less than the diameter of the welded steel pipe at both ends of the welded steel pipe.
8. The construction method according to claim 6, wherein the anti-floating carrying pole device is used in step S4 by inserting the hanging bars into the rib bars, connecting the welded steel pipes with the hanging bars, inserting the action bars through the holes at both ends of the welded steel pipes to be directly opposite to the GBF honeycomb core plate, and installing two fixing screws at the nuts at both ends of the welded steel pipes for tightly and firmly supporting the action bars.
9. The method of claim 6, wherein the step S4 is followed by the steps of removing the anti-floating tool, loosening the two fixing screws, removing the active reinforcement from the concrete, removing the active reinforcement after loosening the suspension reinforcement screw thread, vibrating the surface concrete, removing the floor slab, and plastering thinly under the prefabricated slab of the GBF honeycomb core.
10. The construction method according to claim 6, wherein the operation is circulated over the working surface during the construction, and the anti-floating tool is removed after the concrete pouring is completed and transported to the next working surface for standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911233995.5A CN110984452A (en) | 2019-12-05 | 2019-12-05 | GBF honeycomb core plate construction auxiliary device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911233995.5A CN110984452A (en) | 2019-12-05 | 2019-12-05 | GBF honeycomb core plate construction auxiliary device and construction method |
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| CN110984452A true CN110984452A (en) | 2020-04-10 |
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| CN108930409A (en) * | 2018-08-31 | 2018-12-04 | 中冶建工集团有限公司 | Conducive to the construction method for guaranteeing cassette ceiling structure size |
| CN208950127U (en) * | 2018-08-31 | 2019-06-07 | 中冶建工集团有限公司 | A kind of cassette ceiling connection structure |
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2019
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| TWM335538U (en) * | 2008-01-23 | 2008-07-01 | Te-Wei Chan | Weight reducing apparatus for heat-insulative soundproof floor |
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