CN109267699B - Assembled beam slab and construction method - Google Patents
Assembled beam slab and construction method Download PDFInfo
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- CN109267699B CN109267699B CN201811278442.7A CN201811278442A CN109267699B CN 109267699 B CN109267699 B CN 109267699B CN 201811278442 A CN201811278442 A CN 201811278442A CN 109267699 B CN109267699 B CN 109267699B
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 107
- 239000010959 steel Substances 0.000 claims abstract description 107
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims description 74
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 14
- 239000008397 galvanized steel Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an assembled beam slab and a construction method thereof, wherein the assembled beam slab comprises a superposed beam and superposed slabs connected with two sides of the superposed beam, a groove is arranged in the middle of the top surface of the superposed beam, pre-embedded first connecting steel plates are respectively arranged on two sides of the groove, concave platforms for connecting the superposed slabs are arranged on the edges of two sides of the superposed beam, a flange extending along the plane direction of the superposed beam is arranged at one end of each superposed slab, a second connecting steel plate is pre-embedded on the upper part of the flange, the superposed beam is firstly hoisted during installation, then the superposed slabs are hoisted, the flange of each superposed slab is arranged in the concave platform of the superposed beam, then the first connecting steel plate and the second connecting steel plate are connected through anchoring steel plates, and cast-in-situ concrete layers are arranged on the plane formed by the superposed beam and the superposed slabs to form. The invention adopts the embedded anchor bolt form to tightly connect the superposed beam and the superposed slab, has convenient construction, does not leak slurry and generate cracks, and simultaneously increases the shear resistance of the superposed beam slab connection node.
Description
Technical Field
The invention belongs to the field of building construction, relates to a beam slab construction method, and particularly relates to an assembled beam slab and a construction method.
Background
And (3) concrete pouring is carried out on the common superposed beam slab node after the superposed slab falls on the superposed beam and the steel bars are laid. The traditional mode work efficiency is lower, and the easy off normal phenomenon of taking place of reinforcing bar during concrete placement, and very easily take place to leak thick liquid the phenomenon, cause very big influence to concrete forming quality and piece seam department structural stability. The prior art does not have a technology for well solving the problem, and the construction quality and the construction progress are greatly influenced.
Disclosure of Invention
The invention aims to provide an assembly type beam plate and a construction method, wherein a laminated beam and a laminated plate are stably connected together in a connection mode of an embedded anchor bolt and a galvanized steel plate, so that the construction is convenient, slurry leakage and cracks are avoided. Meanwhile, the prefabricated laminated slab groove is combined with cast-in-place concrete more tightly, and the overall stability of the laminated slab floor is improved. The construction process is simple and convenient, and great economic benefit and social benefit can be created.
In order to solve the technical problem, the method adopts the technical scheme that:
an assembled beam slab which characterized in that: the concrete cast-in-place composite slab comprises a composite beam and composite slabs connected to two sides of the composite beam, wherein a groove is formed in the middle of the top surface of the composite beam along the length direction, first embedded connecting steel plates are arranged on the top surfaces of the composite beam on two sides of the groove respectively, concave platforms for connecting the composite slabs are arranged on the edges of the two sides of the composite beam, a flange extending along the plane direction of the composite slab is arranged at one end of each composite slab, a second connecting steel plate is embedded on the upper portion of the flange, the flange of each composite slab is installed in the concave platform of the composite beam, the first connecting steel plate and the second connecting steel plate are connected through anchoring steel plates, and a cast-in-place concrete layer is arranged on the plane formed by.
As an improvement, a plurality of anchor bolts used for connection are arranged on the first connecting steel plate and the second connecting steel plate, bolt holes corresponding to the anchor bolts on the first connecting steel plate and the second connecting steel plate are arranged on the anchor steel plates, and the laminated beam and the laminated plate are connected together through the anchor bolts.
As an improvement, the second connecting steel plate extends into the interior of the laminated slab main body.
As an improvement, a plurality of stirrups are arranged in the superposed beam, the upper portions of the stirrups are exposed out of the top of the superposed beam, and a plurality of avoiding grooves which avoid the stirrups are arranged on one side of the anchoring steel plate.
And as an improvement, longitudinal bars along the length direction of the laminated beam are bound between the stirrups, and negative-moment steel bars extending to the upper part of the laminated slab are bound on the longitudinal bars.
As an improvement, the top groove of the superposed beam is a groove with a trapezoidal section, the top opening of which is small and the inside of which is large.
The construction method of the assembled beam slab is characterized by comprising the following steps:
and 6, forming a floor slab on the upper parts of the composite slabs and the composite beams in a cast-in-place mode, and finishing the construction of the assembled beam slab.
As an improvement, in step 3, when the horizontal and elevation control lines of the superposed beam and the superposed slab are used for snapping lines, the position of a reserved hole of the water heating and fire-fighting accessory is checked, a cross line is made along the center of the pipe and the center of the hole, marks are made on the edge of the superposed slab and the upper end of the mounting wall beam and are used as one of positioning points in the horizontal direction for mounting the superposed beam and the superposed slab.
In step 4, when the superposed beam and the superposed slab are hoisted, the descending speed of a crane is slow, firstly, a crowbar is used for correcting the control point of the superposed beam and the superposed slab to be within the range of allowable installation error of +/-5 mm, and then, a jacking trimmer and an adjustable support on the support are used for carrying out horizontal fine adjustment on the component, so that the first connecting steel plate on the superposed beam and the second connecting steel plate on the superposed slab are ensured to be at the same horizontal position after adjustment.
As an improvement, the first connecting steel plate, the second connecting steel plate and the anchoring steel plate are all made of galvanized steel plates, and an avoiding groove for avoiding stirrups on the superposed beam is further formed in one side, close to the superposed beam, of the anchoring steel plate.
The invention has the beneficial effects that:
the invention adopts the connection mode of the pre-embedded anchoring bolt and the galvanized steel sheet to stably connect the superposed beam and the superposed plate together, has convenient construction, and can not leak slurry and generate cracks. Meanwhile, the prefabricated laminated slab groove is combined with cast-in-place concrete more tightly, and the overall stability of the laminated slab floor is improved. The construction process is simple and convenient, and can create greater economic benefit and social benefit, and in addition, the invention also has the following advantages:
(1) the beam slab connection node is prevented from moving during construction by adopting a connection mode of the embedded anchor bolts and the galvanized steel sheets, the concrete leakage condition is avoided, the shearing resistance of the beam slab connection node is improved, and the stability of the composite floor slab is improved.
(2) Superimposed sheet piece department adopts the design of sunken flange, superimposed beam piece department adopts the concave station design, make the connection of superimposed beam and superimposed sheet more firm, adopt flange and boss structure, make most dead weights all born by flange and boss also be exactly body structure, and the anchor bolt of connecting tightly bears the side direction shearing force, consequently, the fastness that superimposed beam and superimposed sheet are connected has been improved greatly, the design of trapezoidal recess is adopted at superimposed beam top, it is inseparabler to make the prefabricated part of superimposed beam board node combine with cast-in-place part, improve superimposed beam board node stability.
(3) The galvanized steel sheet is connected with the laminated beam and the laminated slab, so that the reinforcement ratio can be reduced, the using amount of reinforcing steel bars is reduced, and the engineering economic benefit is improved.
Drawings
FIG. 1 is a schematic view of a composite beam structure according to the present invention;
FIG. 2 is a top view of a laminated panel according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the construction of the anchoring steel plate of the present invention;
FIG. 5 is a schematic view of the installation position of the composite beam and the composite slab of the present invention;
fig. 6 is a schematic view of the structure of the composite beam and the composite slab of the present invention which are installed and cast to form a floor slab.
Reference numerals: 1-laminated slab, 2-laminated beam, 3-stirrup, 4-longitudinal bar, 5-first connecting steel plate, 6-second connecting steel plate, 7-anchoring steel plate, 8-cast-in-place concrete layer, 9-groove, 10-concave table, 11-flange, 12-anchoring bolt, 13-avoidance groove, 14-gasket, 15-nut, 16-lower longitudinal bar and 17-bolt hole.
Detailed Description
The invention is illustrated in the following with reference to the accompanying drawings.
As shown in fig. 1-6, an assembled beam slab comprises a composite beam 2 and a composite slab 1 connected to two sides of the composite beam 2, wherein a groove 9 is arranged in the middle of the top surface of the composite beam 2 along the length direction, pre-embedded first connecting steel plates 5 are respectively arranged on the top surfaces of the composite beam 2 at two sides of the groove 9, concave platforms 10 for connecting the composite slab 1 are arranged at the edges of two sides of the composite beam 2, a flange 11 extending along the plane direction of the composite slab 1 is arranged at one end of the composite slab 1, a second connecting steel plate 6 is pre-embedded at the upper part of the flange 11, the second connecting steel plate 6 extends into the interior of the main body of the composite slab 1 by 10mm, the other edges are flush with the flange 11 and the edge of the composite slab 1, the first connecting steel plate 5 extends into an inner groove of the composite beam 2 by about 10mm, the other edges of the first connecting steel plate 5 are flush with the edge of the composite beam, the flange 11 of the composite slab 1, the first connecting steel plate 5 is connected with the second connecting steel plate 6 through the anchoring steel plate, the tops of the first connecting steel plate 5 and the second connecting steel plate 6 are just parallel and level, the anchoring steel plate 7 is well covered on the first connecting steel plate 5 and the second connecting steel plate 6, the first connecting steel plate 5 is connected with the second connecting steel plate 6 through the anchoring bolt 12, namely, the superposed beam 2 is fixedly connected with the superposed slab 1 to form a plane, and the cast-in-place concrete layer 8 is formed on the plane formed by the superposed beam 2 and the superposed slab 1 through pouring.
All be equipped with a plurality of anchor bolts 12 that are used for the connection on first connecting steel sheet 5 and the second connecting steel sheet 6, be equipped with on anchor steel sheet 7 with bolt hole 17 that anchor bolts 12 correspond respectively on first connecting steel sheet 5 and the second connecting steel sheet 6, link together superposed beam 2 and superimposed sheet 1 through anchor bolt 12, be equipped with a plurality of stirrups 3 in the superposed beam 2, 3 upper portions of stirrup expose outside 2 tops of superposed beam, one side is equipped with a plurality of dodges grooves 13 of avoiding stirrup 3 on the anchor steel sheet 7, ligature is along 2 length direction's of superposed beam longitudinal reinforcement 4 between the stirrup 3, and the ligature extends to the negative moment reinforcing bar of superimposed sheet 1 top on the longitudinal reinforcement 4, superimposed sheet 2 top recess 9 is the big trapezoidal cross-section recess 9 of the little inside of top opening.
In the embodiment of the invention, the cross-sectional dimension of the composite beam 2 is 200 x 300mm, the dimension of the composite slab 1 is 60mm, the first connecting steel plate 5 and the second connecting steel plate 6 are both galvanized steel plates with the width of 600mm and the thickness of 3mm, the anchor bolt 12 is an 8.8-grade M6 anchor bolt 12, the anchor steel plate 7 is a galvanized steel plate with the width of 100mm and the thickness of 3mm, one side of the anchor steel plate 7, which is close to the composite beam 2, is provided with a plurality of avoidance grooves 13 which are distributed at intervals, the stirrup 3 is a phi 8 steel bar, the longitudinal bar 4 is a phi 14 steel bar, the cast-in-place concrete layer 8 is a C30 cast-in-place concrete layer 8, and the nut 15 is.
3. Embodiment and workflow:
in the embodiment, the construction method of the assembled beam slab comprises the following steps
1. And (3) carrying out deepening design on the installation and manufacture of the on-site composite beam 2 and the composite slab 1, and determining the size and the paving sequence of each composite beam 2 and each composite slab 1.
2. Processing and manufacturing of laminated beam 2 and laminated slab 1
1) Machining and manufacturing of laminated beam 2
As shown in fig. 1, when the laminated beam 2 and the first connecting steel plate 5 embedded on the laminated beam are processed in a prefabricated part processing factory, firstly, a mold template is arranged, the distance between the center of each anchor bolt 12 and the edge of the beam is 25mm, the distance between the center of each anchor bolt 12 and the edge of the beam is 200mm, the distance between the anchor bolts 12 and the edge of the beam is 200mm, the anchor bolts 12 are arranged at 200mm, and the first connecting steel plate 5 extends into the groove 9 of the laminated beam 2.
2) Manufacturing of laminated slab 1
Fig. 2 shows the pre-buried view of the composite slab 1, the anchor bolt 12, and the second steel connecting plate 6. When the laminated slab 1 is processed in a prefabricated part processing factory, firstly, a mold template is arranged, the center distance of the anchor bolts 12 is 25mm from the edge of the flange 11 of the laminated slab 1, the distance of the anchor bolts 12 from the edge of the flange 11 is 200mm, and the anchor bolts 12 are arranged at the interval of 200 mm; one side of the second connecting steel plate 6 extends into the body of the laminated slab 1 by 10mm, and the other sides are flush with the edge of the flange 11 and the edge of the laminated slab 1; the distance between the top surface of the second connecting steel plate 6 and the top surface of the laminated slab 1 is 10mm, and the second connecting steel plate 6 sinks slowly 10 relative to the top surface of the laminated slab 1.
2. Construction site line snapping
The horizontal and elevation control lines of the superposed beam 2 and the superposed slab 1 are firstly sprung before installation. Attention is paid to checking the positions of the reserved holes for water heating and fire fighting, a cross line is made along the centers of the pipes and the holes, marks are made on the edges of the laminated slabs 1 and the upper ends of the mounting wall beams, and the marks are used as one of positioning points in the horizontal direction for mounting the laminated slabs 1 and the laminated slabs 2.
3. Elevation correction of construction site
And checking an elevation control line, controlling according to that the allowable error of the installation elevation of the composite beam 2 and the composite slab 1 is 5mm, and cutting the elevation of the shear wall and the template at the top of the connecting beam at the position where the elevation is higher than the installation elevation.
4. Laminated slab 1 installation and splicing
1) And determining the components according to the requirements of drawings, and hoisting after the serial numbers are correct. Firstly, the composite beam 2 is installed, and then the composite slab 1 is installed. When the composite beam 2 and the composite slab 1 are installed, a component close to the wall edge is installed firstly, and then other parts are installed, so that the construction is convenient.
2) Because the prefabricated component is heavy, the descending speed during hoisting must be slow, and the crane driver follows the requirement of crane command, must have good communication signal between crane driver and the crane commander.
3) The control point positions of the superposed beams 2 and the superposed plates 1 are allowed to be installed within the range of +/-5 mm by crowbar correction, and the primary installation of the prefabricated parts (the superposed beams 2 and the superposed beams 2 are collectively called as prefabricated parts) is completed.
4) After the prefabricated part is initially installed in place, the top support trimmer and the adjustable support on the support are used for carrying out horizontal fine adjustment on the prefabricated part, and the galvanized steel plates at the splicing positions of the prefabricated floor slabs are ensured to be in the same horizontal position after adjustment.
5) The anchor steel plate 7 is attached, the spacer 14 is attached, the nut 15 is tightened, and the anchor steel plate 7 is attached while keeping the groove 13 toward the laminated beam 2 and keeping away from the stirrup 3 exposed from the top of the laminated beam 2, as shown in fig. 4.
6) Laying an electric appliance pipeline, binding a longitudinal bar 4 and a negative bending moment reinforcing bar on the upper part of the laminated beam 2, binding the longitudinal bar 4 on the stirrup 3 and being vertical to the direction of the stirrup 3, binding the negative bending moment reinforcing bar on the longitudinal bar 4 and being vertical to the longitudinal bar 4, and extending two ends of the negative bending moment reinforcing bar to the upper parts of the laminated plates 1 on two sides.
7) And pouring concrete to form a floor slab, wherein the cross section of the floor slab after pouring is shown in figure 5.
8) And (5) cleaning and checking to complete the construction of the assembled beam slab.
The invention has the technical key points that: 1. according to the invention, the first connecting steel plate 5, the second connecting steel plate 6 and the anchoring steel plate 7 are all made of galvanized steel plates, and the bolt holes 17 on the galvanized steel plates are accurately positioned; 2. when the galvanized steel sheet and the anchor bolts 12 are embedded, the levelness and the verticality of the galvanized steel sheet and the anchor bolts are ensured; 3. the anchor bolt 12 is screwed down after the anchor steel plate is installed, so that the first connecting steel plate 5 and the second connecting steel plate 6 are in close contact with the anchor steel plate 7, and the contact between the vibrating rod and the galvanized steel plate is avoided as much as possible when concrete is poured.
Claims (9)
1. An assembled beam slab which characterized in that: the concrete cast-in-place concrete composite structure comprises a composite beam and composite plates connected to two sides of the composite beam, wherein a groove is formed in the middle of the top surface of the composite beam along the length direction, pre-buried first connecting steel plates are respectively arranged on the top surfaces of the composite beams on two sides of the groove, concave platforms for connecting the composite plates are arranged on the edges of two sides of the composite beam, a flange extending along the plane direction of the composite plate is arranged at one end of the composite plate, a second connecting steel plate is pre-buried at the upper part of the flange, the flange of the composite plate is installed in the concave platform of the composite beam, the first connecting steel plate and the second connecting steel plate are connected through anchoring steel plates, and a cast-in-place concrete layer is arranged on;
all be equipped with a plurality of anchor bolts that are used for connecting on first connecting steel sheet and the second connecting steel sheet, be equipped with the bolt hole that corresponds respectively with anchor bolt on first connecting steel sheet, the second connecting steel sheet on the anchor steel sheet, link together superposed beams and superimposed sheet through anchor bolt.
2. The fabricated beam panel of claim 1, wherein: the second connecting steel plate stretches into the interior of the laminated slab main body, and the first connecting steel plate stretches into the upper portion of the groove in the top of the laminated beam.
3. The fabricated beam panel of claim 2, wherein: the composite beam is internally provided with a plurality of stirrups, the upper parts of the stirrups are exposed out of the top of the composite beam, and one side of the anchoring steel plate is provided with a plurality of avoiding grooves for avoiding the stirrups.
4. A fabricated beam panel according to claim 3, wherein: and longitudinal bars are bound between the stirrups along the length direction of the laminated beam, and negative-moment steel bars extending to the upper part of the laminated slab are bound on the longitudinal bars.
5. The fabricated beam panel of claim 1, wherein: the top groove of the superposed beam is a groove with a trapezoidal section and a small top opening and a large inner part.
6. The construction method of the assembled beam slab is characterized by comprising the following steps:
step 1, manufacturing a superposed beam, namely processing the superposed beam in a prefabricated part processing factory, arranging stirrups of the superposed beam at intervals, forming a groove in the middle of the top of the superposed beam, forming concave tables at two sides of the top of the superposed beam, embedding first connecting steel plates on the top surfaces of the superposed beams at the two sides of the groove respectively, extending one end of each first connecting steel plate into the top of the groove, embedding anchor bolts for connection on the first connecting steel plates at intervals, binding templates, and casting to obtain the superposed beam;
step 2, manufacturing a laminated slab, wherein the laminated slab is also manufactured in a prefabricated part processing factory, one end of the laminated slab is a flange extending along the plane direction, the thickness of the flange is matched with the depth of the concave table and is smaller than the thickness of the laminated slab, a second connecting steel plate is pre-embedded on the flange and extends into the laminated slab body, anchor bolts for connection are pre-embedded on the second connecting steel plate at intervals, and a template is bound to manufacture the laminated slab;
step 3, site construction, namely, firstly, springing the horizontal and elevation control lines of the superposed beams and the superposed slabs, checking the elevation control lines, and controlling according to the allowable error of the installation elevations of the superposed beams and the superposed slabs;
step 4, determining the serial number of the component according to the drawing requirements, installing according to the serial number, hoisting the composite beam firstly, hoisting the composite beam after the composite beam is hoisted, placing the flange of the composite plate at the concave table of the composite beam, positioning and aligning, then aligning with the anchor bolts on the first connecting steel plate and the second connecting steel plate respectively by utilizing two rows of bolt holes on the anchor steel plate, and fastening and connecting through nuts;
step 5, after the superposed beam and the superposed slab are fixed, the accessories of the electric appliance pipeline are installed, and longitudinal bars between the stirrups on the superposed beam and negative-moment reinforcing bars vertical to the longitudinal bars are bound;
and 6, forming a floor slab on the upper parts of the composite slabs and the composite beams in a cast-in-place mode, and finishing the construction of the assembled beam slab.
7. The fabricated beam and slab construction method as set forth in claim 6, wherein:
and 3, when the horizontal and elevation control lines of the superposed beams and the superposed slabs are used for snapping lines, checking the positions of reserved holes of the water heating and fire-fighting accessories, making a cross line along the centers of the pipes and the holes, and marking the edges of the superposed slabs and the upper ends of the mounting wall beams as one of positioning points in the horizontal direction for mounting the superposed beams and the superposed slabs.
8. The fabricated beam and slab construction method as set forth in claim 6, wherein:
and 4, when the superposed beam and the superposed slab are hoisted, the descending speed of the crane is slow, firstly, a crowbar is used for correcting the control point of the superposed beam and the superposed slab to be within the range of the allowable installation error of +/-5 mm, and then, a jacking trimmer and an adjustable support on the support are used for carrying out horizontal fine adjustment on the component, so that the first connecting steel plate on the superposed beam and the second connecting steel plate on the superposed slab are in the same horizontal position after adjustment.
9. The fabricated beam and slab construction method as set forth in claim 6, wherein: the first connecting steel plate, the second connecting steel plate and the anchoring steel plate are all made of galvanized steel plates, and an avoiding groove for avoiding stirrups on the superposed beam is further formed in one side, close to the superposed beam, of the anchoring steel plate.
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| CN201811278442.7A CN109267699B (en) | 2018-10-30 | 2018-10-30 | Assembled beam slab and construction method |
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| CN201811278442.7A CN109267699B (en) | 2018-10-30 | 2018-10-30 | Assembled beam slab and construction method |
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| CN109267699B true CN109267699B (en) | 2020-08-18 |
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| CN110469047B (en) * | 2019-07-03 | 2021-06-15 | 西安理工大学 | A recoverable function assembled two-way self-locking shear wall and its prefabricated wall panels |
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| CN206143927U (en) * | 2016-10-21 | 2017-05-03 | 季兆桐 | Node of beam manufacturing and prefabricated plate in advance |
| CN206157970U (en) * | 2016-07-22 | 2017-05-10 | 中民筑友科技投资有限公司 | Floor connected node |
| CN206554385U (en) * | 2017-01-11 | 2017-10-13 | 浙江省建筑科学设计研究院有限公司 | Combining structure for assembled architecture |
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2018
- 2018-10-30 CN CN201811278442.7A patent/CN109267699B/en active Active
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| JP3574631B2 (en) * | 2001-06-14 | 2004-10-06 | 日本カイザー株式会社 | Precast concrete member and method for constructing concrete slab using the same |
| FR3038327A1 (en) * | 2015-07-03 | 2017-01-06 | Lesage Dev | PREFABRICATED BEAM FOR DECK APRON, BRIDGE DECK ASSEMBLY COMPRISING SAID BEAM, AND METHOD FOR MANUFACTURING DECK APRON |
| CN206157970U (en) * | 2016-07-22 | 2017-05-10 | 中民筑友科技投资有限公司 | Floor connected node |
| CN106065663A (en) * | 2016-07-27 | 2016-11-02 | 广东省建科建筑设计院有限公司 | Assembled steel reinforced concrete beam and plate system with in-situ layer in building structure |
| CN206143927U (en) * | 2016-10-21 | 2017-05-03 | 季兆桐 | Node of beam manufacturing and prefabricated plate in advance |
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