CN112962844A - Novel assembly type steel plate concrete hollow floor slab and long bench formwork production - Google Patents

Novel assembly type steel plate concrete hollow floor slab and long bench formwork production Download PDF

Info

Publication number
CN112962844A
CN112962844A CN202110161975.2A CN202110161975A CN112962844A CN 112962844 A CN112962844 A CN 112962844A CN 202110161975 A CN202110161975 A CN 202110161975A CN 112962844 A CN112962844 A CN 112962844A
Authority
CN
China
Prior art keywords
steel plate
steel
concrete
floor slab
placing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110161975.2A
Other languages
Chinese (zh)
Inventor
任剑锋
赖志超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fangyuan Construction Group Co ltd
Original Assignee
Fangyuan Construction Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fangyuan Construction Group Co ltd filed Critical Fangyuan Construction Group Co ltd
Priority to CN202110161975.2A priority Critical patent/CN112962844A/en
Publication of CN112962844A publication Critical patent/CN112962844A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02Load-carrying floor structures formed substantially of prefabricated units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/04Producing shaped prefabricated articles from the material by tamping or ramming
    • B28B1/045Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/28Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/384Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame

Landscapes

  • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention discloses a novel fabricated steel plate concrete hollow floor slab and long formwork production, which have the advantages of improving the bending resistance of the floor slab, being suitable for a large-span interval, reducing the weight of components, saving materials, having remarkable sound insulation and heat insulation effects of a hollow part, saving energy, protecting environment, not needing to additionally arrange reinforcing steel bars, being convenient to produce, improving the standardization of a die, saving the cost of the die, being a fully prefabricated floor slab, not needing to additionally support a formwork on site, being fast in construction progress, being convenient and flexible to operate on-site threading, and solving the problem that the reserved position of an equipment point position in a prefabricated component is inaccurate.

Description

Novel assembly type steel plate concrete hollow floor slab and long bench formwork production
Technical Field
The invention relates to the technical field of building structures, in particular to a novel assembly type steel plate concrete hollow floor slab and long bench formwork production.
Background
The conventional floor slab comprises: 1. the cast-in-place concrete floor has the advantages that a series of processes such as scaffold erection, formwork erecting, reinforcing steel bar binding, concrete pouring and the like need to be built on site, the construction period is long, the construction progress is limited by weather change, the self weight is large, and cracks are easy to generate. In a large span range, the thickness of the concrete floor needs to be increased, the use clear height is reduced, and the effective utilization of the building height is not facilitated; in addition, the cast-in-place floor slab has more wet operations during field construction, which is not beneficial to environmental protection; 2. on one hand, in the large-span section, cracks are easy to generate in the processes of demoulding and transporting the prefabricated layer, so that the floor slab needs to be split into a plurality of small plates, the production and hoisting efficiency is reduced, and the use in the large-span section cannot be met; on the other hand, the thickness of the prefabricated part is relatively thin, the midspan deflection of the prefabricated part is large after construction load is loaded, and the steel content of the composite floor slab is increased due to the addition of the truss steel bars, so that cost control is not facilitated; during production, the outer leakage height of the truss is not easy to control, so that the on-site pipe penetration is difficult, and the construction efficiency is influenced.
Therefore, there is a need for a prefabricated floor slab that can solve the above problems and can be constructed quickly, and in view of the above problems, the present invention has been made in an extensive way.
Disclosure of Invention
The invention aims to solve the problems, designs a novel fabricated steel plate concrete hollow floor and long bench formwork production, and solves the problems that the external leakage height of a truss is not easy to control and the on-site pipe penetration is difficult in the existing production.
The technical scheme of the invention for realizing the aim is as follows: the utility model provides a novel assembled steel sheet concrete hollow floor, includes: the concrete is arranged on the hot-rolled steel plate, and the hot-rolled steel plate and the concrete bracket are provided with auxiliary reinforcing structures;
the auxiliary reinforcing structure includes: the hot-rolled T-shaped steel pipe comprises a plurality of hot-rolled T-shaped steels with the same structures and a plurality of round steel pipes with the same structures;
the T-shaped steel flanges are welded on the hot-rolled steel plates, a plurality of forming round holes with the same structure are formed in the concrete, the forming round holes are respectively located between the hot-rolled T-shaped steel plates, and the round steel pipes are respectively inserted in the forming round holes.
The production of the novel assembled steel plate concrete long bench formwork comprises the following operation steps: step S1, cleaning the bench formwork; step S2, determining the position; step S3, preparing a die; s4, placing a cushion block S5, and placing a steel plate; step S6, welding the steel plate and the T-shaped steel; step S7, placing a round steel pipe; step S8; step S9, reserving and embedding equipment point positions; step S10, concrete curing;
step S1: cleaning and oiling the trolley surface;
step S2: accurately determining the positions of each floor slab, steel plates, cushion blocks and the like by using an intelligent drawing instrument, and isolating each floor slab by using an isolating die;
step S3: determining the position of the side die according to the size of the trolley, and assembling and fixing the side die by using intelligent equipment;
step S4: placing a cushion block according to the position determined by the plotter;
step S5: placing a steel plate according to the position determined by the plotter;
step S6: arranging a full-automatic welding manipulator beside the trolley, inversely placing the T-shaped steel on a steel plate according to a design interval, namely, enabling the flange to be in contact with the steel plate, and then welding the flange part of the T-shaped steel on the placed steel plate by using the full-automatic welding manipulator;
step S7: placing circular steel pipes among the welded T-shaped steels according to a designed interval, and taking measures to block two ends of each circular steel pipe to prevent the subsequently poured concrete from entering the steel pipes;
step S8: reserving an equipment wire box according to design;
step S9: pouring concrete on the components on the whole long platform die by using a distributing machine, and vibrating and compacting;
step S10: and demolding and storing the floor slabs in a classified manner.
And step S2, the steel plate is spaced from the four sides of the floor slab to ensure that the steel plate is not rusted.
And S6, welding the flanges of the T-shaped steel on the bottom steel plate, and arranging circular steel pipes in the space between the T-shaped steel.
And S7, pouring concrete on the upper part and the periphery of the round steel pipe, and forming the round hole-shaped prefabricated hollow floor slab without drawing out the round steel pipe.
The novel assembled steel plate concrete hollow floor slab and the long bench formwork manufactured by the technical scheme of the invention can improve the bending resistance of the floor slab, are suitable for a large-span interval, can reduce the weight of components, save materials, have obvious sound insulation and heat insulation effects of the hollow part, can save energy, protect environment, do not need to additionally arrange reinforcing steel bars, are convenient to produce, can improve the standardization of a mold, save the cost of the mold, are fully prefabricated floor slabs, do not need to additionally support the mold on site, have quick construction progress and convenient and flexible site threading operation, and can solve the problem that the reserved position of an equipment point position in a prefabricated component is inaccurate.
Drawings
FIG. 1 is a main visual axis measuring and indicating diagram for the production of a novel assembled steel plate concrete hollow floor slab and a long bench formwork.
FIG. 2 is a schematic sectional view A-A of the novel assembled steel plate concrete hollow floor slab and long bench formwork production.
In the figure: 1. hot-rolled steel sheet; 2. concrete; 3. hot rolling the T-shaped steel; 4. round steel pipes; 5. a formed circular hole; .
Detailed Description
The invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1-2, a novel fabricated steel plate concrete hollow floor slab comprises: the concrete 2 is arranged on the hot-rolled steel plate 1, and the brackets of the hot-rolled steel plate 1 and the concrete 2 are provided with auxiliary reinforcing structures; the auxiliary reinforcing structure includes: a plurality of hot-rolled T-shaped steels 3 with the same structure and a plurality of round steel pipes 4 with the same structure; the T-shaped steel flanges are welded on the hot-rolled steel plate 1, a plurality of forming round holes with the same structure are formed in the concrete 2, the forming round holes are respectively located between the hot-rolled T-shaped steel 3, and the round steel pipes 4 are respectively inserted into the forming round holes.
The production of the novel assembled steel plate concrete long bench formwork comprises the following operation steps: step S1, cleaning the bench formwork; step S2, determining the position; step S3, preparing a die; s4, placing a cushion block S5, and placing a steel plate; step S6, welding the steel plate and the T-shaped steel; step S7, placing a round steel pipe; step S8; step S9, reserving and embedding equipment point positions; step S10, curing the concrete 2; step S1: cleaning and oiling the trolley surface; step S2: accurately determining the positions of each floor slab, steel plates, cushion blocks and the like by using an intelligent drawing instrument, and isolating each floor slab by using an isolating die; step S3: determining the position of the side die according to the size of the trolley, and assembling and fixing the side die by using intelligent equipment; step S4: placing a cushion block according to the position determined by the plotter; step S5: placing a steel plate according to the position determined by the plotter; step S6: arranging a full-automatic welding manipulator beside the trolley, inversely placing the T-shaped steel on a steel plate according to a design interval, namely, enabling the flange to be in contact with the steel plate, and then welding the flange part of the T-shaped steel on the placed steel plate by using the full-automatic welding manipulator; step S7: placing circular steel pipes among the welded T-shaped steels according to a designed interval, and taking measures to block two ends of each circular steel pipe to prevent the subsequently poured concrete 2 from entering the steel pipes; step S8: reserving an equipment wire box according to design; step S9: pouring concrete 2 on the components on the whole long platform mould by using a distributing machine, and vibrating to compact; step S10: demoulding and storing in a classified manner are carried out on each floor slab; in the step S2, the steel plate is spaced from the four sides of the floor slab to ensure that the steel plate is not rusted; in the step S6, the flanges of the T-shaped steel are welded on the bottom steel plate, and circular steel pipes are arranged in the space between the T-shaped steel; and S7, pouring concrete 2 on the upper part and the periphery of the round steel pipe, wherein the round steel pipe is not drawn out, and a round hole-shaped prefabricated hollow floor slab is formed.
The present embodiment is characterized by comprising: the concrete-reinforced composite steel plate comprises a hot-rolled steel plate 1 and concrete 2, wherein the concrete 2 is arranged on the hot-rolled steel plate 1, and auxiliary reinforcing structures are arranged on supports of the hot-rolled steel plate 1 and the concrete 2; the auxiliary reinforcing structure comprises: a plurality of hot-rolled T-shaped steels 3 with the same structure and a plurality of round steel pipes 4 with the same structure; a plurality of T-shaped steel flanges are welded on the hot-rolled steel plate 1, a plurality of forming round holes with the same structure are formed in the concrete 2, the plurality of forming round holes are respectively located among the plurality of hot-rolled T-shaped steel 3, and a plurality of round steel pipes 4 are respectively inserted into the plurality of forming round holes; the bending resistance of the floor can be improved, the floor is suitable for a large-span interval, the weight of the component can be reduced, materials are saved, the sound insulation and heat insulation effects of the hollow part are obvious, energy can be saved, the environment is protected, reinforcing steel bars are not needed to be additionally arranged, the production is convenient, the standardization of a mold can be improved, the mold cost is saved, the floor is a full prefabricated floor, an additional formwork is not needed on site, the construction progress is fast, the site threading operation is convenient and flexible, and the problem that the reserved position of the equipment point position in the.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): the assembled steel plate concrete 2 hollow floor slab is formed by combining steel and concrete 2, wherein a layer of concrete 2 is poured on the lower portion of the hollow floor slab, a layer of steel plate is placed on the concrete 2, the steel plate and four sides of the floor slab are spaced at a certain distance so as to prevent the steel plate from being rusted, T-shaped steel is placed on the upper portion of the steel plate at certain intervals, flanges of the T-shaped steel are welded on a bottom steel plate, circular steel pipes are arranged between the intervals of the T-shaped steel, the concrete 2 is poured on the upper portion of each circular steel pipe and the periphery of each circular steel pipe, and the circular steel pipes are not pulled out, so that the round-. The steel plates and the T-shaped steel related in the assembled steel plate concrete 2 hollow floor slab adopt hot rolled section steel with the thickness of 3-5mm, the steel pipes adopt hot rolled seamless steel pipes, the specification of the steel pipes is selected according to the thickness of the floor slab, and the steel pipes and the poured concrete 2 form a complete floor slab structure, so that a cast-in-place layer does not need to be additionally poured in site, the number of the cast-in-place layers is small, and the cost of the cast-in-place layers is reduced. The assembly type steel plate concrete 2 hollow floor slab does not need to additionally increase stressed steel bars, a floor slab mold can be standardized during factory production, the mold opening cost of the mold is reduced, the problems that the stressed steel bars are placed wrongly and the extension lengths of the steel bars are insufficient can be solved, the assembly type steel plate concrete 2 hollow floor slab belongs to a full prefabricated floor slab, the problem that the truss steel bars leak outwards and float upwards or downwards is not needed to be considered due to the fact that a cast-in-place layer is not arranged, and the center of the floor slab is hollow, so that the pipe threading work can be carried out in the hollow space, and the pipe threading operation is convenient and flexible.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a novel assembled steel sheet concrete hollow floor, includes: the concrete is arranged on the hot-rolled steel plate, and the hot-rolled steel plate and the concrete bracket are provided with auxiliary reinforcing structures;
the auxiliary reinforcing structure includes: the hot-rolled T-shaped steel pipe comprises a plurality of hot-rolled T-shaped steels with the same structures and a plurality of round steel pipes with the same structures;
the T-shaped steel flanges are welded on the hot-rolled steel plates, a plurality of forming round holes with the same structure are formed in the concrete, the forming round holes are respectively located between the hot-rolled T-shaped steel plates, and the round steel pipes are respectively inserted in the forming round holes.
2. The production of the novel assembled steel plate concrete long bench formwork comprises the following operation steps: step S1, cleaning the bench formwork; step S2, determining the position; step S3, preparing a die; s4, placing a cushion block S5, and placing a steel plate; step S6, welding the steel plate and the T-shaped steel; step S7, placing a round steel pipe; step S8; step S9, reserving and embedding equipment point positions; step S10, concrete curing;
step S1: cleaning and oiling the trolley surface;
step S2: accurately determining the positions of each floor slab, steel plates, cushion blocks and the like by using an intelligent drawing instrument, and isolating each floor slab by using an isolating die;
step S3: determining the position of the side die according to the size of the trolley, and assembling and fixing the side die by using intelligent equipment;
step S4: placing a cushion block according to the position determined by the plotter;
step S5: placing a steel plate according to the position determined by the plotter;
step S6: arranging a full-automatic welding manipulator beside the trolley, inversely placing the T-shaped steel on a steel plate according to a design interval, namely, enabling the flange to be in contact with the steel plate, and then welding the flange part of the T-shaped steel on the placed steel plate by using the full-automatic welding manipulator;
step S7: placing circular steel pipes among the welded T-shaped steels according to a designed interval, and taking measures to block two ends of each circular steel pipe to prevent the subsequently poured concrete from entering the steel pipes;
step S8: reserving an equipment wire box according to design;
step S9: pouring concrete on the components on the whole long platform die by using a distributing machine, and vibrating and compacting;
step S10: and demolding and storing the floor slabs in a classified manner.
3. The production method of the novel assembled steel plate concrete bench formwork of claim 2, wherein the steel plate is spaced from the four sides of the floor slab at a certain distance in step S2 to ensure that the steel plate is not rusted.
4. The production of the novel assembled steel plate concrete bench formwork of claim 2, wherein in the step S6, the flanges of the T-shaped steel are welded on the bottom steel plate, and circular steel pipes are arranged between the intervals of the T-shaped steel.
5. The production method of the novel assembled steel plate concrete long bench formwork of claim 2, wherein in the step S7, concrete is poured on the upper part and the periphery of the round steel pipe, the round steel pipe is not drawn out, and the prefabricated hollow floor slab in the shape of the round hole is formed.
CN202110161975.2A 2021-02-05 2021-02-05 Novel assembly type steel plate concrete hollow floor slab and long bench formwork production Pending CN112962844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161975.2A CN112962844A (en) 2021-02-05 2021-02-05 Novel assembly type steel plate concrete hollow floor slab and long bench formwork production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161975.2A CN112962844A (en) 2021-02-05 2021-02-05 Novel assembly type steel plate concrete hollow floor slab and long bench formwork production

Publications (1)

Publication Number Publication Date
CN112962844A true CN112962844A (en) 2021-06-15

Family

ID=76274512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110161975.2A Pending CN112962844A (en) 2021-02-05 2021-02-05 Novel assembly type steel plate concrete hollow floor slab and long bench formwork production

Country Status (1)

Country Link
CN (1) CN112962844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115012571A (en) * 2022-06-22 2022-09-06 方圆建设集团有限公司 Assembled steel plate concrete hollow floor slab and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA685179A (en) * 1979-10-22 1980-11-15 Katzenberger Helmut PANEL, ESPECIALLY CEILING PANEL
CN1368585A (en) * 2001-02-03 2002-09-11 朱其聪 Technology for in-situ casting prestressed hollow floor concrete slab
CN101435237A (en) * 2008-12-22 2009-05-20 华侨大学 Novel hollow combined board
CN201962844U (en) * 2010-12-02 2011-09-07 西安建筑科技大学 Hollow composition board internally provided with steel pipes and steel plates
CN104842447A (en) * 2015-03-11 2015-08-19 中民筑友有限公司 Prefabricated part production bench formwork, production method and production line including production bench formwork

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA685179A (en) * 1979-10-22 1980-11-15 Katzenberger Helmut PANEL, ESPECIALLY CEILING PANEL
CN1368585A (en) * 2001-02-03 2002-09-11 朱其聪 Technology for in-situ casting prestressed hollow floor concrete slab
CN101435237A (en) * 2008-12-22 2009-05-20 华侨大学 Novel hollow combined board
CN201962844U (en) * 2010-12-02 2011-09-07 西安建筑科技大学 Hollow composition board internally provided with steel pipes and steel plates
CN104842447A (en) * 2015-03-11 2015-08-19 中民筑友有限公司 Prefabricated part production bench formwork, production method and production line including production bench formwork

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115012571A (en) * 2022-06-22 2022-09-06 方圆建设集团有限公司 Assembled steel plate concrete hollow floor slab and manufacturing method thereof
CN115012571B (en) * 2022-06-22 2023-07-28 方圆建设集团有限公司 Assembled steel plate concrete hollow floor slab and manufacturing method thereof

Similar Documents

Publication Publication Date Title
CN214696113U (en) Connection structure of assembled prefabricated floor and composite beam
CN103410269A (en) Unbonded prestress cast-in-place reinforced concrete hollow slab construction structure and method
CN110607867A (en) Non-dismantling mold laminated slab
CN114319977B (en) Steel pipe concrete row column type connection precast shear wall structure and construction method
CN110905084A (en) Prefabricated house roof and construction method thereof
CN110815511A (en) Integral toilet box mold and manufacturing and mounting method thereof
CN112962844A (en) Novel assembly type steel plate concrete hollow floor slab and long bench formwork production
CN109667376A (en) Novel superposed superstructure and its construction method suitable for steel construction H profile steel beam
CN215211876U (en) Waterproof hollow wall structure of precast concrete
CN112962845A (en) Novel assembled steel plate concrete hollow floor and horizontal production
CN209703805U (en) A kind of novel superposed superstructure suitable for steel construction H profile steel beam
CN210421568U (en) Assembled beam and plate structure
CN210031897U (en) Fan foundation and wind generating set
CN210369292U (en) Cast-in-place coincide mould shell integral structure of assembled building
CN116411712A (en) Complete construction method for steel rib prestressed concrete superimposed sheet
CN206957042U (en) Light composite heat insulation outer wall plate and particular manufacturing craft
CN203603542U (en) Fabricated electronic workshop
CN215802633U (en) Laminated shear wall with steel constraint component
CN217105755U (en) Concrete block combined heat-insulation building roof structure
CN212001599U (en) Large-span variable-space assembly type building
CN113216440A (en) Novel assembled C shaped steel tube bank concrete area heat preservation shear force wall
CN112359965A (en) Precast concrete assembled structure with rib mold structure and construction method thereof
CN111021544A (en) Large-span variable-space assembly type building and construction method thereof
CN112281635A (en) Novel track full-assembly type integrated industrialization system
CN1963098A (en) Cast-in-situ concrete hollow slab

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210615