CN114809512A - Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process - Google Patents
Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process Download PDFInfo
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- CN114809512A CN114809512A CN202210433217.6A CN202210433217A CN114809512A CN 114809512 A CN114809512 A CN 114809512A CN 202210433217 A CN202210433217 A CN 202210433217A CN 114809512 A CN114809512 A CN 114809512A
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- 239000004567 concrete Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 125
- 239000010959 steel Substances 0.000 claims abstract description 125
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 31
- 229910000746 Structural steel Inorganic materials 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000005246 galvanizing Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000005034 decoration Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0801—Separate fastening elements
- E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
- E04F13/0805—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The invention provides an oversized prefabricated fair-faced concrete hanging plate and a manufacturing and installing process thereof, which comprises a prefabricated fair-faced concrete hanging plate body, wherein a steel frame is attached to a pre-embedded part on the prefabricated fair-faced concrete hanging plate body, a plurality of main keel pre-embedded holes and secondary keel pre-embedded holes are distributed on the steel frame, upper-layer bidirectional steel bars of the prefabricated fair-faced concrete hanging plate body penetrate through the main keel pre-embedded holes and the secondary keel pre-embedded holes and are connected with the steel frame.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an oversized prefabricated bare concrete hanging plate and a manufacturing and mounting process thereof.
Background
The precast concrete exterior wall cladding is produced in a factory and is formed at one time, so that the link of building exterior decoration is saved, and the precast concrete exterior wall cladding is a novel green environment-friendly interior and exterior wall decoration material which can be divided into two types of apron boards and decorative boards according to functions. At present, the fair-faced concrete process is widely applied, the prefabricated fair-faced concrete hanging plate made of the fair-faced concrete shows great advantages in building application, the formwork can be directly removed after the pouring is finished, the original facing after the formwork is removed can be directly used as decoration, the surface texture of the original facing can be transformed through different texture templates, and different requirements of customers are met.
The service life of the prefabricated fair-faced concrete hanging plate is as long as 50 years, the maintenance is basically not needed in the later period, and the prefabricated fair-faced concrete hanging plate is used as a good sound-insulating and heat-insulating material due to the design of one-step forming and the special performance of the fair-faced concrete, so that the prefabricated fair-faced concrete hanging plate becomes a good choice in modern building engineering.
At present, the maximum size of the prefabricated fair-faced concrete hanging plate on the market is limited, the thickness of the prefabricated fair-faced concrete hanging plate is small, the prefabricated fair-faced concrete hanging plate cannot be widely applied to various building engineering, and secondly, the complete manufacturing and mounting process of the oversized prefabricated fair-faced concrete hanging plate is lacked on the market, and the stable prefabrication of the oversized fair-faced concrete hanging plate cannot be guaranteed.
Therefore, an extra-large prefabricated fair-faced concrete hanging plate and a manufacturing and mounting process are urgently needed, and the problems of size adjustment in the prefabricating process of the extra-large fair-faced concrete hanging plate and prefabricating and field mounting of the extra-large fair-faced concrete hanging plate are solved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an oversized prefabricated fair-faced concrete hanging plate and a manufacturing and mounting process thereof, and solves the problems of size adjustment in the process of prefabricating the oversized fair-faced concrete hanging plate and the problems of prefabricating and field mounting of the oversized fair-faced concrete hanging plate.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a prefabricated clear water concrete link plate of super large, includes prefabricated clear water concrete link plate body, pre-buried part back of the body of prefabricated clear water concrete link plate attaches the steelframe, the back of the body attaches and has laid the pre-buried hole of a plurality of main joist, the pre-buried hole of secondary joist on the steelframe, the upper bidirectional reinforcement of prefabricated clear water concrete link plate body passes and connects the back of the body and attaches the steelframe from the pre-buried hole of main joist, the pre-buried hole of secondary joist.
As a preferred scheme of the invention, the back-attached steel frame comprises 2 main keels which penetrate through the upper end and the lower end of the precast fair-faced concrete hanging plate body, the main keels are connected through a plurality of secondary keels which are arranged at equal intervals, the main keels are vertically arranged, and the secondary keels are arranged perpendicular to the main keels.
As a preferred scheme of the invention, 2 hoisting steel bar hooks are distributed on one side of the main keel facing the precast fair-faced concrete hanging plate body, wherein one hoisting steel bar hook is 1.5m away from the upper end of the main keel, and the other hoisting steel bar hook is 1.5m away from the lower end of the main keel.
According to a preferable scheme of the invention, a single row of main keel embedded holes distributed at equal intervals are formed in a web plate of the main keel, a single row of secondary keel embedded holes distributed at equal intervals are formed in a web plate of the secondary keel, the main keel embedded holes penetrate through the web plate of the main keel, and the secondary keel embedded holes penetrate through the web plate of the secondary keel.
According to a preferable scheme of the invention, double-layer bidirectional steel bars are arranged on the precast fair-faced concrete hanging plate body, each bidirectional steel bar comprises a plurality of transverse steel bars and a plurality of longitudinal steel bars, and the transverse steel bars are arranged perpendicular to the longitudinal steel bars.
As a preferable scheme of the present invention, the transverse steel bars are arranged at equal intervals, the longitudinal steel bars are arranged at equal intervals, and the transverse steel bars are located at upper ends of the longitudinal steel bars.
As a preferable scheme of the invention, the distance between adjacent transverse steel bars is equal to the distance between the pre-buried holes of adjacent main keels, and the distance between adjacent longitudinal steel bars is equal to the distance between the pre-buried holes of adjacent secondary keels.
According to a preferable scheme of the invention, the lower layer of bidirectional steel bars are arranged below the main keel and the secondary keel, and the transverse steel bars and the longitudinal steel bars of the upper layer of bidirectional steel bars respectively pass through the main keel embedded holes and the secondary keel embedded holes on the main keel and the secondary keel.
In a preferred embodiment of the present invention, the main keel is provided at an upper end thereof with a back bolt connecting bolt hole, and a lower end thereof is connected to a hot-dip galvanized square steel pipe connecting member.
A manufacturing and mounting process of an oversized prefabricated bare concrete hanging plate comprises the following steps:
step 1: assembling bamboo grain clear water templates at the bottom of a large-scale steel mold, gluing gaps of the bamboo grain clear water templates, and brushing a release agent for 2 times;
step 2: the hot-dip galvanized steel channel main keel and the secondary keel which are reserved with the main keel embedded holes and the secondary keel embedded holes are connected and placed in a die, two vertical square steel tubes are connected to two sides of the die, and the square steel tubes are connected with the rectangular steel tubes in an overhead mode to form an overhead truss.
And step 3: the method comprises the following steps that L-shaped vertical angle iron is arranged on a rectangular steel pipe, a tooth-shaped groove is formed in the upper end of the L-shaped vertical angle iron, a matched screw is installed in the tooth-shaped groove, the screw is connected with the rectangular steel pipe and the L-shaped vertical angle iron, an L-shaped transverse angle iron is welded to the lower end of the L-shaped vertical angle iron, the L-shaped transverse angle iron is clamped into a main keel groove and connected through the screw, the L-shaped vertical angle iron and the L-shaped transverse angle iron form a keel embedded depth controller, and the keel embedded depth controller controls the embedded depth of a main keel and a secondary keel;
and 4, step 4: double-layer bidirectional steel bars penetrate into the die, and transverse steel bars of the double-layer bidirectional steel bars are arranged at the upper ends of the longitudinal steel bars; the lower-layer bidirectional steel bars are arranged below the main keels and the secondary keels, and the transverse steel bars and the longitudinal steel bars of the upper-layer bidirectional steel bars respectively penetrate through the main keel embedded holes and the secondary keel embedded holes in the main keels and the secondary keels;
and 5: the position of the screw in the tooth-shaped groove is adjusted, so that the main keel and the secondary keel are controlled by the keel embedded depth controller to be embedded in depths, and reinforcing steel bars of the cross keels meet the thickness of a standard protective layer;
step 6: the upper end of the main keel is provided with a phi 17 back bolt connecting hole, and the lower end of the main keel is connected with a hot-dip galvanized square steel pipe connecting piece which is used as a back bolt connecting piece;
and 7: after the cast concrete is demoulded, maintaining, and after the age period is met, prefabricating the bare concrete hanging plate and conveying to a construction site;
and 8: an embedded part matched with the precast fair-faced concrete hanging plate is positioned and embedded in the structure, and a back bolt connecting piece is welded and connected after the strength reaches the standard;
and step 9: the prefabricated bare concrete hanging plate is lifted by the lifting steel bar hook, the vertical alignment adjustment is within the error range, after the mechanical connecting part of the back bolt is buckled, the welding part is firstly spot-welded, the rest part is welded in a surrounding way after the connection adjustment of the back bolt reaches the standard, and the lifting machinery is loosened after the connection adjustment of the back bolt is stabilized. In particular, the top end of the hanging plate at the bottom of the structure is correspondingly meshed with the hot galvanized square steel pipe at the lower end.
The invention has the beneficial effects that:
1. the double-layer bidirectional steel bars in the precast fair-faced concrete hanging plate body are combined with the channel steel primary and secondary keels, so that the hanging stress of the hanging plate body is met, the longitudinal rigidity, the transverse rigidity and the surface crack resistance of the hanging plate body are ensured, and the precast fair-faced concrete hanging plate is prevented from deforming and being damaged in the transportation and hoisting processes.
2. The size and the thickness of the prefabricated clear water concrete hanging plate can be adjusted by installing the bidirectional steel bar and the back-attached steel frame,
the problems that the maximum size of the precast concrete hanging plate on the current market is limited and the thickness is small are solved.
3. According to the invention, the thickness of the prefabricated fair-faced concrete hanging plate body embedded in the back-attached steel frame is controlled by the overhead truss and the keel embedded depth controller, and the thickness and the size of the prefabricated fair-faced concrete hanging plate are simply and conveniently adjusted by the structure.
4, the invention eliminates subsequent decoration procedures for the decoration surface after installation, promotes green construction, improves building energy conservation, reduces energy consumption and is beneficial to green construction while saving building material resources, protecting environment and reducing pollution.
The bidirectional steel bars penetrating through the transverse direction and the longitudinal direction of the back-attached steel frame reinforce the strength of the back-attached steel frame, and the bidirectional steel bars are connected to the prefabricated fair-faced concrete hanging plate body to further stably connect the prefabricated fair-faced concrete hanging plate body and the back-attached steel frame.
Drawings
FIG. 1 is a schematic structural view of a precast fair-faced concrete hanging plate of the invention;
FIG. 2 is a cross-sectional view of the precast fair-faced concrete hanging board A-A of the invention;
FIG. 3 is a sectional view of the precast fair-faced concrete hanging panel B-B of the invention;
FIG. 4 is a schematic view of the prefabricated fair-faced concrete hanging plate of the invention;
FIG. 5 is a cross-sectional view of the present invention at FIG. 4C-C;
reference numbers in the figures: prefabricated clear water concrete link plate body 1, main joist 2, secondary joist 3, back of the body bolt connecting bolt hole 4, handling steel bar couple 5, the pre-buried hole of main joist 6, two-way reinforcing bar 7, hot dip galvanizing square steel pipe connecting piece 8, bamboo pattern clear water template 9, U type groove 11, the pre-buried hole of secondary joist 12, vertical square steel pipe 13, rectangular steel pipe 14, the vertical angle bar of L type 15, the horizontal angle bar of L type 16, horizontal reinforcing bar 71, vertical reinforcing bar 72, the back of the body attaches steelframe 100, fossil fragments buries dark controller 200.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-5, the oversized prefabricated fair-faced concrete hanging plate comprises a prefabricated fair-faced concrete hanging plate body 1, the size of the prefabricated fair-faced concrete hanging plate body 1 is preferably 1670mmx8400mmx90mm, a steel frame 100 is attached to an embedded part of the prefabricated fair-faced concrete hanging plate body 1, a plurality of main keel embedded holes 6 and secondary keel embedded holes 12 are distributed in the steel frame 100, and upper-layer bidirectional steel bars 7 of the prefabricated fair-faced concrete hanging plate body 1 penetrate through the main keel embedded holes 6 and the secondary keel embedded holes 12 and are connected with the steel frame 100.
Specifically, the back attachment steel frame 100 is installed on one side of the prefabricated fair-faced concrete hanging plate body 1, the thickness of the oversized prefabricated fair-faced concrete hanging plate is determined according to the thickness of the back attachment steel frame 100 embedded in the fair-faced concrete hanging plate body 1, and further, the back attachment steel frame 100 penetrating through the prefabricated fair-faced concrete hanging plate body 1 also determines the size of the oversized prefabricated fair-faced concrete hanging plate.
Meanwhile, the strength of the back attachment steel frame 100 is reinforced by the bidirectional reinforcing steel bars 7 which penetrate through the back attachment steel frame 100 in the transverse and longitudinal directions, and the bidirectional reinforcing steel bars 7 are connected to the prefabricated fair-faced concrete hanging plate body 1 to further stably connect the prefabricated fair-faced concrete hanging plate body 1 and the back attachment steel frame 100.
As shown in fig. 1-3, the back-attached steel frame 100 includes 2 main joists 2 penetrating through the upper and lower ends of the precast fair-faced concrete cladding panel body 1, the main joists 2 are preferably phi 12 hot-galvanized steel channels, the main joists 2 are connected by a plurality of secondary joists 3 arranged at equal intervals, the secondary joists 3 are preferably phi 10 hot-galvanized steel channels, the main joists 2 are vertically arranged, the secondary joists 3 are horizontally arranged, and the secondary joists 3 are arranged perpendicular to the main joists 2.
2 main joist 2 have laid 2 handling rebar hook 5 towards one side of prefabricated fair-faced concrete link plate body 1, and one of them handling rebar hook 5 is apart from 2 upper ends 1.5m of main joist, and another handling rebar hook 5 is apart from 2 lower extremes of main joist 1.5m, and lifting after the form removal of handling rebar hook 5 convenient fair-faced concrete link plate lifts by crane.
Set up the pre-buried hole of main joist 6 that the equidistant laying of single row on the web of main joist 2, set up the pre-buried hole 12 of the equidistant laying of single row of secondary joist on the web of secondary joist 3, the equal distance of the pre-buried hole of main joist 6, the pre-buried hole 12 of secondary joist is from main joist 2, 3 web edges 35mm of secondary joist, the pre-buried hole of main joist 6 runs through the web of main joist 2, the pre-buried hole 12 of secondary joist runs through the web of secondary joist 3.
The pre-buried hole 6 of main joist, the pre-buried hole 12 of secondary joist are supplementary main joist 2, the secondary joist 3 is connected two-way reinforcing bar 7, strengthens the intensity of main joist 2, secondary joist 3, simultaneously, also confirms that two-way reinforcing bar 7 designs and accords with standard protective layer thickness.
Back bolt connecting bolt holes 4 are formed in the upper end of the main keel 2, the size of each back bolt connecting bolt hole 4 is preferably phi 17mm, the lower end of the main keel 2 is connected with a hot-dip galvanized square steel pipe connecting piece 8, and the size of each hot-dip galvanized square steel pipe connecting piece 8 is preferably 50 mm x50 mm x5 mm.
As shown in fig. 4-5, double-layer bidirectional steel bars 7 are arranged on the prefabricated fair-faced concrete hanging plate body 1, the bidirectional steel bars 7 are located in the prefabricated fair-faced concrete hanging plate body 1 in a binding mode, each bidirectional steel bar 7 comprises a plurality of transverse steel bars 71 and a plurality of longitudinal steel bars 72, and the transverse steel bars 71 are perpendicular to the longitudinal steel bars 72 and are arranged.
The transverse reinforcing steel bars 71 are arranged at equal intervals, the longitudinal reinforcing steel bars 72 are arranged at equal intervals, and the transverse reinforcing steel bars 71 are positioned at the upper ends of the longitudinal reinforcing steel bars 72.
The distance between the adjacent transverse steel bars 71 is equal to the distance between the adjacent main keel embedded holes 6, the distance between the adjacent longitudinal steel bars 72 is equal to the distance between the adjacent secondary keel embedded holes 12, and the transverse steel bars 71 and the longitudinal steel bars 72 can be conveniently and quickly installed in the main keel 2 and the secondary keel 3.
Lower floor two-way reinforcing bar 7 is laid in main joist 2, secondary joist 3 below, upper strata the horizontal reinforcing bar 71 of two-way reinforcing bar 7, longitudinal reinforcement 72 pass respectively main joist 2, the pre-buried hole 6 of main joist on the secondary joist 3, the pre-buried hole 12 of secondary joist and ligature are on prefabricated clear water concrete link plate body 1, and upper and lower bilayer two-way reinforcing bar 7 has increased the intensity of prefabricated clear water concrete link plate of super large, has also increased the stability that main joist 2, secondary joist 3 and prefabricated clear water concrete link plate body 1 are connected simultaneously.
A manufacturing and mounting process for an oversized prefabricated bare concrete hanging plate comprises
Step 1: assembling bamboo grain clear water templates 9 at the bottom of a large-scale steel mold, wherein only a plurality of bamboo grain clear water templates 9 are shown in figure 4 for the purpose of clarity, the bottom of the mold is fully paved in practical application, glue is applied to gaps among the bamboo grain clear water templates 9, and a release agent is integrally brushed for 2 times;
step 2: the hot-dip galvanized steel channel main joists 2 and the secondary joists 3 with the main joist pre-embedded holes 6 and the secondary joist pre-embedded holes 12 reserved are connected and placed in a die, two vertical square steel pipes 13 are connected to two sides of the die, and rectangular steel pipes 14 are connected to the square steel pipes 13 in an overhead mode to form an overhead truss.
And step 3: the method comprises the following steps that L-shaped vertical angle iron 15 is arranged on a rectangular steel pipe 14, a tooth-shaped groove is formed in the upper end of the L-shaped vertical angle iron 15, matched screws are installed in the tooth-shaped groove and connected with the rectangular steel pipe 14 and the L-shaped vertical angle iron 15, an L-shaped transverse angle iron 16 is welded at the lower end of the L-shaped vertical angle iron 15, the L-shaped transverse angle iron 16 is clamped in a groove of a main keel 2 and connected through the screws, the L-shaped vertical angle iron 15 and the L-shaped transverse angle iron 16 form a keel embedded depth controller 200, and the keel embedded depth controller 200 controls the embedded depth of the main keel 2 and a secondary keel 3;
and 4, step 4: double-layer bidirectional steel bars 7 penetrate into the mold, and transverse steel bars 71 of the double-layer bidirectional steel bars 7 are arranged at the upper ends of the longitudinal steel bars 72; the lower-layer bidirectional steel bars 7 are arranged below the main keels 2 and the sub keels 3, and the transverse steel bars 71 and the longitudinal steel bars 72 of the upper-layer bidirectional steel bars 7 respectively penetrate through the main keel embedded holes 6 and the sub keel embedded holes 12 in the main keels 2 and the sub keels 3;
and 5: the position of the screw in the tooth-shaped groove is adjusted, so that the keel embedded depth controller 200 controls the embedded depth of the main keel 2 and the secondary keel 3, and the thickness of the bidirectional steel bar 7 penetrating through the main keel 2 and the secondary keel 3 is in accordance with the standard protective layer thickness;
step 6: the upper end of the main keel 2 is provided with a phi 17 back bolt connecting hole 4, the lower end is connected with a hot-dip galvanized square steel pipe connecting piece 8, and the connecting piece 8 is used as a back bolt connecting piece;
and 7: after the cast concrete is demoulded, maintaining, and after the age period is met, prefabricating the bare concrete hanging plate and conveying to a construction site;
and 8: an embedded part matched with the precast fair-faced concrete hanging plate is positioned and embedded in the structure, and a back bolt connecting piece is welded and connected after the strength reaches the standard;
and step 9: the prefabricated bare concrete hanging plate is lifted by the lifting steel bar hook 5, the vertical alignment adjustment is within the error range, after the mechanical connecting part of the back bolt is buckled, the welding part is firstly spot-welded, the rest part is welded in a surrounding way after the connection adjustment of the back bolt reaches the standard, and the lifting machinery is loosened after the connection adjustment of the back bolt is stabilized. Wherein, the top end of the hanging plate at the bottom of the structure is correspondingly engaged with the hot galvanizing square steel pipe 8 at the lower end.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the prefabricated fair-faced concrete hanging plate comprises a prefabricated fair-faced concrete hanging plate body 1, a main keel 2, a secondary keel 3, a back bolt connecting bolt hole 4, a lifting steel bar hook 5, a main keel embedded hole 6, a bidirectional steel bar 7, a hot-dip galvanized square steel pipe connecting piece 8, a bamboo pattern clear water template 9, a U-shaped groove 11, a secondary keel embedded hole 12, a vertical square steel pipe 13, a rectangular steel pipe 14, an L-shaped vertical angle iron 15, an L-shaped transverse angle iron 16, a transverse steel bar 71, a longitudinal steel bar 72, a back attached steel frame 100, a keel embedded depth controller 200 and other terms, wherein the possibility of using other terms is not eliminated; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a prefabricated fair-faced concrete link plate of super large which characterized in that: including prefabricated clear water concrete link plate body (1), pre-buried part back of the body attaches steelframe (100) on prefabricated clear water concrete link plate body (1), back of the body attaches the pre-buried hole of a plurality of main joist (6), the pre-buried hole of secondary joist (12) and has laid on steelframe (100), pass and connect back of the body and attach steelframe (100) from pre-buried hole of main joist (6), the pre-buried hole of secondary joist (12) in upper strata bidirectional reinforcement (7) of prefabricated clear water concrete link plate body (1).
2. The oversized prefabricated fair-faced concrete hanging plate according to claim 1, which is characterized in that: back attaches steelframe (100) includes that 2 link up main joist (2) of lower extreme on prefabricated clear water concrete link plate body (1), connect through a plurality of equidistant secondary joist (3) of laying between main joist (2), main joist (2) are vertical to be laid, the perpendicular main joist (2) of secondary joist (3) are laid.
3. The oversized prefabricated fair-faced concrete hanging plate according to claim 2, which is characterized in that: main joist (2) have been laid 2 handling rebar hook (5) towards one side of prefabricated clear water concrete link plate body (1), and one of them handling rebar hook (5) is apart from main joist (2) upper end 1.5m, and another handling rebar hook (5) is apart from main joist (2) lower extreme 1.5 m.
4. The oversized prefabricated fair-faced concrete hanging plate according to claim 3, wherein: set up the pre-buried hole of main joist (6) that the equidistant laying of single row on the web of main joist (2), set up the pre-buried hole of secondary joist (12) that the equidistant laying of single row on the web of secondary joist (3), the web of main joist (2) is run through in the pre-buried hole of main joist (6), the web of secondary joist (3) is run through in the pre-buried hole of secondary joist (12).
5. The oversized prefabricated bare concrete hanging plate according to claim 4, characterized in that: lay double-deck two-way reinforcing bar (7) on prefabricated bare concrete link plate body (1), two-way reinforcing bar (7) include a plurality of horizontal reinforcing bar (71), a plurality of longitudinal reinforcement (72), horizontal reinforcing bar (71) vertical longitudinal reinforcement (72) are laid.
6. The oversized prefabricated fair-faced concrete hanging plate according to claim 5, which is characterized in that: the transverse reinforcing steel bars (71) are arranged at equal intervals, the longitudinal reinforcing steel bars (72) are arranged at equal intervals, and the transverse reinforcing steel bars (71) are located at the upper ends of the longitudinal reinforcing steel bars (72).
7. The oversized prefabricated fair-faced concrete hanging plate according to claim 6, wherein: the distance between the adjacent transverse reinforcing steel bars (71) is equal to the distance between the adjacent main keel embedded holes (6), and the distance between the adjacent longitudinal reinforcing steel bars (72) is equal to the distance between the adjacent secondary keel embedded holes (12).
8. The oversized prefabricated fair-faced concrete hanging plate according to claim 7, which is characterized in that: lower floor main joist (2), secondary joist (3) below are laid to two-way reinforcing bar (7), upper strata horizontal reinforcing bar (71), longitudinal reinforcement (72) of two-way reinforcing bar (7) pass respectively main joist pre-buried hole (6), the pre-buried hole of secondary joist (12) on main joist (2), secondary joist (3).
9. The oversized prefabricated bare concrete hanging plate according to claim 7, characterized in that: back bolt connecting bolt holes (4) are formed in the upper end of the main keel (2), and the lower end of the main keel (2) is connected with a hot-dip galvanized square steel pipe connecting piece (8).
10. The manufacturing and mounting process of the oversized prefabricated fair-faced concrete hanging plate is characterized in that: comprises that
Step 1: assembling a bamboo grain clear water template (9) at the bottom of the large-scale steel mold, gluing gaps of the bamboo grain clear water template (9), and brushing a release agent for 2 times;
step 2: connecting and placing a hot-dip galvanized steel channel main keel (2) and a secondary keel (3) which are provided with a main keel embedded hole (6) and a secondary keel embedded hole (12) in a mold, connecting two vertical square steel pipes (13) at two sides of the mold, and connecting a rectangular steel pipe (14) on the square steel pipe (13) in an overhead manner to form an overhead truss;
and step 3: the steel keel embedded depth control device is characterized in that L-shaped vertical angle iron (15) is arranged on a rectangular steel pipe (14), a tooth-shaped groove is formed in the upper end of the L-shaped vertical angle iron (15), matched screws are installed in the tooth-shaped groove and connected with the rectangular steel pipe (14) and the L-shaped vertical angle iron (15), an L-shaped transverse angle iron (16) is welded at the lower end of the L-shaped vertical angle iron (15), the L-shaped transverse angle iron (16) is clamped in a groove of a main keel (2) and connected through the screws, the L-shaped vertical angle iron (15) and the L-shaped transverse angle iron (16) form a keel embedded depth controller (200), and the keel embedded depth controller (200) controls the embedded depth of the main keel (2) and the secondary keel (3);
and 4, step 4: double-layer bidirectional steel bars (7) penetrate into the mold, and transverse steel bars (71) of the double-layer bidirectional steel bars (7) are arranged at the upper ends of longitudinal steel bars (72); the lower-layer bidirectional steel bars (7) are arranged below the main keels (2) and the secondary keels (3), and the transverse steel bars (71) and the longitudinal steel bars (72) of the upper-layer bidirectional steel bars (7) respectively penetrate through the main keels (2) and the main keel embedded holes (6) and the secondary keel embedded holes (12) in the secondary keels (3);
and 5: the positions of the screws in the tooth-shaped grooves are adjusted, so that the main keel (2) and the secondary keel (3) are controlled by the keel embedded depth controller (200) to be embedded in depths, and reinforcing steel bars penetrating through the keels meet the thickness of a standard protective layer;
step 6: the upper end of the main keel (2) is provided with a phi 17 back bolt connecting hole (4), the lower end is connected with a hot-dip galvanized square steel pipe connecting piece (8), and the connecting piece (8) is used as a back bolt connecting piece;
and 7: after the cast concrete is demoulded, maintaining, and after the age period is met, prefabricating the bare concrete hanging plate and conveying to a construction site;
and 8: an embedded part matched with the precast fair-faced concrete hanging plate is positioned and embedded in the structure, and a back bolt connecting piece is welded and connected after the strength reaches the standard;
and step 9: hoisting the prefabricated fair-faced concrete hanging plate by a hoisting steel bar hook (5), adjusting the vertical alignment within an error range, after the mechanical connecting part of the back bolt is buckled, performing spot welding on the welding part, after the connecting adjustment of the back bolt reaches a standard, performing girth welding on the rest part, and after the back bolt is stabilized, loosening a hoisting machine; wherein, the top end of the hanging plate at the bottom of the structure is mutually occluded with a hot galvanizing U-shaped groove (11) and a hot galvanizing square steel pipe (8) at the lower end.
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| CN202210433217.6A CN114809512A (en) | 2022-04-24 | 2022-04-24 | Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process |
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| CN202210433217.6A CN114809512A (en) | 2022-04-24 | 2022-04-24 | Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process |
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