CN106968378B - Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof - Google Patents

Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof Download PDF

Info

Publication number
CN106968378B
CN106968378B CN201710059252.5A CN201710059252A CN106968378B CN 106968378 B CN106968378 B CN 106968378B CN 201710059252 A CN201710059252 A CN 201710059252A CN 106968378 B CN106968378 B CN 106968378B
Authority
CN
China
Prior art keywords
woven mesh
fiber woven
fiber
cavity
prefabricated multi
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.)
Active
Application number
CN201710059252.5A
Other languages
Chinese (zh)
Other versions
CN106968378A (en
Inventor
沈玲华
曲晨
童芸芸
陶燕丽
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.)
Zhejiang Lover Health Science and Technology Development Co Ltd
Original Assignee
Zhejiang Lover Health Science and Technology Development 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 Zhejiang Lover Health Science and Technology Development Co Ltd filed Critical Zhejiang Lover Health Science and Technology Development Co Ltd
Priority to CN201710059252.5A priority Critical patent/CN106968378B/en
Publication of CN106968378A publication Critical patent/CN106968378A/en
Application granted granted Critical
Publication of CN106968378B publication Critical patent/CN106968378B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • 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
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention provides a reinforced fiber woven mesh concrete floor, a manufacturing method and an installation method thereof. The prefabricated multi-cavity fiber woven mesh concrete sheet consists of a fiber woven mesh, chopped fibers and mortar. In the installation process, the short span direction of the floor slab is taken as the length direction of the prefabricated multi-cavity fiber concrete thin slab, the prefabricated multi-cavity fiber concrete thin slab is used as a floor slab template and is also used as a lower protective layer and a tension layer of the floor slab after pouring forming, the thickness of the protective layer is not limited, the floor height is saved, corresponding load is borne, the construction cost can be reduced, and the construction progress is accelerated. The floor slab has the advantages of high bearing capacity, good durability, good crack control performance, less concrete amount and low cost. The floor slab pouring process is simple and high in construction efficiency.

Description

Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof
Technical Field
The invention belongs to the technical field of building materials and manufacturing methods thereof, and particularly relates to a reinforcement type fiber woven mesh concrete floor and an installation method thereof.
Background
In the reinforced concrete high-rise building, the traditional concrete floor system accounts for 50-60% of the self weight of the structure, and the construction cost accounts for 20-30% of the total construction cost, so that the reduction of the self weight and the construction cost of the floor system is very important for the whole building structure. At present, the traditional floor system is usually a solid floor with a column cap or a ribbed beam plate, the structure is heavy, and the using amount of steel bars is large; in addition, a large amount of wood is required to be paved on site as bottom moulds and supporting materials in the construction process, so that the template consumption is high, the utilization rate is low, and the turnover cost is high; and labor and construction period are consumed in the disassembly and assembly process. Meanwhile, the traditional floor has the advantages that the appearance is not attractive, and a suspended ceiling is needed; large floor space occupation, inconvenient pipeline installation and the like. In order to overcome the problems brought by the traditional floor slab, the cast-in-situ hollow floor slab is popular gradually, namely, an embedded inner membrane is arranged in the floor slab, the self weight of the structure is reduced, materials are saved, and the anti-seismic performance is improved, but still related problems exist: 1) The construction process is complex, the difficulty is high, and the requirement on the construction quality is high; 2) The inner film is generally a non-renewable material such as cuboid foamed plastic and the like, can not realize waste recycling, and can not utilize the strength and rigidity of the inner film as a template; 3) The building and the dismantling of the template are labor-consuming and time-consuming, and the problems of slow construction, increased engineering cost and the like are easily caused.
The fiber woven mesh Reinforced Concrete (TRC) is used as a novel cement-based composite material, adopts a non-metal fiber material with high tensile strength and strong corrosion resistance to be woven into a mesh to replace the traditional Reinforced material (such as a reinforcing steel bar), and has excellent mechanical property, durability, impact property and crack control capability; is one of the research hotspots in the field of novel composite materials in recent years. The material can be used for manufacturing prefabricated pipes (disclosed in the patent of the application No. CN 103244755A) and permanent beam templates (disclosed in the patent of the application No. CN 103266760A) and repairing concrete structures in a reinforced severe environment (disclosed in the patent of the application No. CN 103993752A), but the application of the material in the aspect of floors is still blank.
Disclosure of Invention
The invention aims to provide a method for manufacturing a reinforced fiber woven mesh concrete floor slab, aims to overcome the defects of the traditional cast-in-place floor slab, reduces the dead weight of a structure, the design height of the floor slab, saves the construction cost, reduces the working procedures of erecting a template support and the like on the cast-in-place floor slab, improves the construction efficiency, and aims to realize the aim by adopting the technical scheme as follows:
the reinforced fiber woven mesh concrete floor comprises a prefabricated multi-cavity fiber woven mesh concrete thin plate, and the manufacturing method comprises the following steps:
a. impregnating a fiber woven net: fixing the fiber woven mesh, coating epoxy resin on the surfaces except the part needing to be bent, and curing the epoxy resin after 24 hours;
b. preparing mortar: uniformly stirring the mortar, finally adding the chopped fibers, and stirring for 4-7min to prepare the mortar externally doped with the chopped fibers;
c. pouring of the lower half part: pouring a layer of mortar doped with chopped fibers in a special mould, firstly spreading a layer of lower fiber woven mesh impregnated with epoxy resin after trowelling, tensioning and fixing the fiber woven mesh, and then pouring a layer of mortar doped with chopped fibers until the number of layers of the fiber woven mesh reaches the requirement of the actual engineering, namely finishing the pouring of the lower half part of the prefabricated multi-cavity fiber woven mesh concrete sheet;
d. pouring the upper half part: c, bending the upper fiber woven mesh which is dipped with the epoxy resin except for the part needing to be bent into an M shape, trimming redundant fiber woven meshes on two sides, and placing the fiber woven mesh on the prefabricated multi-cavity fiber woven mesh concrete thin plate cast in the lower half part in the step c;
e. installing a top die, wherein the top die is M-shaped, the top die is arranged on the prefabricated multi-cavity fiber woven mesh concrete thin plate, a cavity is formed by the top die and the prefabricated multi-cavity fiber woven mesh concrete thin plate at the lower half part, and the hollow square column is inserted into the cavity; side dies with grooves are respectively arranged in front of and behind the top die and the square column, grooves are formed in the surfaces of the side dies, the side dies are consistent with the top die and the square column in contour shape, and the side dies are tightly tightened with the top die to form a closed die cavity; and cushion blocks with the same thickness are placed at the bottoms of the hollow square columns.
f. And pouring the mortar doped with the chopped fibers from the raised fillets on the upper side of the top die, wherein the mortar has good fluidity, and the pouring of the prefabricated multi-cavity fiber woven mesh concrete sheet can be completed after slight vibration. And (4) demoulding after the pouring and forming are carried out and steam curing is carried out for 2d, and after demoulding, watering and curing are carried out continuously for 28 days to form the prefabricated multi-cavity fiber woven mesh concrete thin plate.
On the basis of the technical scheme, the invention can also adopt the following further technical scheme: the fiber woven mesh is a carbon fiber, an aramid fiber, an alkali-resistant glass fiber, a basalt fiber, a polyethylene fiber, a polyvinyl alcohol fiber woven mesh or a fiber woven mesh formed by mixing the above two materials; the chopped fibers include: one or more of polyethylene fiber, carbon fiber, glass fiber, basalt fiber, polyvinyl alcohol fiber and aramid fiber; the components of the mortar comprise water, a water reducing agent, quartz sand and a cementing material.
The length of the chopped fiber is between 5 and 15mm, and the mixing amount is between 0.1 and 1.5 percent; the mortar comprises the following components in percentage by mass: water: fly ash: silica fume: water reducing agent: coarse sand: fine sand =1 (0.45-0.55), (0.3-0.36), (0.05-0.1), (0.006-0.01): (0.9-1.0): (1.8-2.0), wherein the particle size ranges of the coarse sand and the fine sand are 0.6-1.2 mm and 0-0.6 mm respectively.
The depth of the groove on the surface of the top die is not more than 3mm, and the upper part of the floor slab is concave-convex after demoulding.
The thickness of the protective layer of the prefabricated multi-cavity fiber woven mesh concrete sheet can be controlled to be 3-10mm, the distance between the fiber woven mesh layers can be controlled to be 4-8mm, and the size of the cavity can be adjusted according to actual engineering requirements. And after the forming process and the maintenance process of the prefabricated multi-cavity fiber woven mesh concrete sheet are finished in a factory, uniform transportation and hoisting are carried out, so that industrial prefabricated production is realized.
The invention also comprises a reinforced fiber woven mesh concrete floor slab, which comprises a prefabricated multi-cavity fiber woven mesh concrete thin plate and a fine stone concrete layer; the prefabricated multi-cavity fiber woven mesh concrete thin plate is formed by pouring a fiber woven mesh, chopped fibers and mortar, the upper part of the prefabricated multi-cavity fiber woven mesh concrete thin plate is of a concave-convex shape, the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate is of a flat plate shape, and cavities are formed in the upper part and the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate;
the fiber woven mesh is arranged inside the prefabricated multi-cavity fiber woven mesh concrete sheet, and the fiber woven mesh is bent into a concave-convex shape matched with the prefabricated multi-cavity fiber woven mesh concrete sheet;
the prefabricated multi-cavity fiber woven mesh concrete sheet further comprises a top die and a side die, the top die is arranged on the prefabricated multi-cavity fiber woven mesh concrete sheet, the side dies with grooves are respectively arranged in front of and behind the top die, and the side dies and the top die are tightly tightened to form a closed die cavity;
one or more layers of fiber woven meshes at the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate are horizontally arranged after being tensioned.
Furthermore, the side die is consistent with the outline shapes of the top die and the square column, and grooves are formed in the surface of the side die;
furthermore, the depth of the bent concave-convex type of the fiber woven mesh is not more than 3mm, the thickness of the lower part of the prefabricated multi-cavity fiber woven mesh concrete sheet can be controlled between 3mm and 10mm, and the distance between fiber woven mesh layers can be controlled between 4 mm and 8 mm. The number of layers of the lower fiber woven mesh can be adjusted according to the actual engineering requirement.
Furthermore, the concrete floor slab is also provided with a waterproof leveling layer, and the waterproof leveling layer comprises mortar doped with chopped fibers.
Furthermore, the reinforced fiber mesh grid concrete floor is also provided with reinforcing steel bars, and the reinforcing steel bars comprise bottom transverse reinforcing steel bars and middle transverse and longitudinal reinforcing steel bars.
Furthermore, most of the bulges on the upper part of the top die are open, and the necessary transverse connection is kept, so that mortar can be poured from the openings conveniently.
And finishing the forming process and the maintenance process of the prefabricated multi-cavity fiber woven mesh concrete sheet in a factory, and finally carrying out unified transportation and hoisting to realize industrialized prefabrication production.
The invention also comprises an installation method of the reinforced fiber woven mesh concrete floor, and the pouring process of the reinforced fiber woven mesh concrete floor is as follows: taking the short span direction of the floor slab as the length direction of the prefabricated multi-cavity fiber concrete thin slab, hoisting the prefabricated multi-cavity fiber concrete thin slab, and fully spreading the prefabricated multi-cavity fiber concrete thin slab on the whole floor slab;
the lateral splicing seams between the prefabricated thin plates are connected in a buckling mode, a groove for buckling is formed in the first connecting position, and a protrusion for buckling is formed in the second connecting position; transverse steel bars of the floor slab are distributed on the left side and the right side of the cavity; binding and laying longitudinal steel bars and transverse steel bars of the floor slab on the upper surface of the cavity; and finally, pouring fine stone concrete, wherein a layered natural flow continuous pouring method is adopted during pouring, after the pouring is finished, covering and curing are carried out by using a plastic film, and watering and curing are carried out regularly until the concrete is aged.
After the reinforced fiber woven mesh concrete floor is poured, the prefabricated multi-cavity fiber woven mesh concrete thin plate and the upper fine stone reinforced concrete form a whole, and a form removing procedure is not needed.
Furthermore, after the reinforced fiber mesh grid concrete floor is poured, mortar doped with fibers can be poured on the upper part of the floor, fiber mesh grids can be arranged according to needs, and finally the mortar doped with short fibers is poured and plastered for leveling, so that the pouring of the waterproof leveling layer is completed. The waterproof leveling layer has better waterproofness due to the existence of the fiber woven mesh, the externally doped chopped fibers and the compact mortar.
The invention has the following excellent effects: compared with the traditional cast-in-place floor slab, the invention fully utilizes the advantages of thin wall, light weight, high bearing capacity, strong crack control capacity, good durability and the like of the fiber mesh concrete, so that the floor slab has the characteristics of light weight, low design height, high bearing capacity, good durability and the like. Meanwhile, the prefabricated multi-cavity fiber woven mesh concrete thin plate in the floor slab not only serves as a lower protective layer and a tension layer of the floor slab, but also has the function of a template, a template removing procedure is not needed in the construction process, template materials are saved, the construction cost is reduced, and the construction efficiency is improved; meanwhile, the multi-cavity hollow structure of the floor slab is not only beneficial to pipeline installation, but also can reduce the self weight of the structure and save the use amount of concrete; due to the good fluidity of the externally doped chopped fiber mortar, the floor slab is flat and attractive in appearance, and a ceiling is not needed.
Description of the drawings:
figure 1 is a schematic view of the invention after installation and formation of a floor slab.
Fig. 2 (a) is a side view of the floor slab of the present invention after forming.
Fig. 2 (b) isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2 (base:Sub>A).
Fig. 3 (a), 3 (b), 3 (c), 3 (d), and 3 (e) show a process for producing an M-shaped woven upper fiber web of the present invention.
4 (a), 4 (b), 4 (c) and 4 (d) are schematic diagrams of the lower half casting process of the prefabricated multi-cavity fiber woven mesh concrete thin plate of the invention.
5 (a), 5 (b) and 5 (c) are schematic diagrams of the pouring process of the upper half part of the prefabricated multi-cavity fiber woven mesh concrete thin plate.
The reference numbers appearing in the figures are in order: the prefabricated multi-cavity fiber woven mesh concrete slab comprises a fiber woven mesh at the upper part, a fiber woven mesh at the lower part, a prefabricated cavity, a raised fillet on the surface of a slab, a buckle connection structure at the lateral splicing position of the slab, a prefabricated multi-cavity fiber woven mesh concrete slab, a prefabricated bottom transverse steel bar, a middle transverse steel bar, a fine stone concrete layer, a waterproof leveling layer, a fiber woven mesh in the waterproof leveling layer, a direction for applying external force in the mesh tensioning process, a special mold for impregnating the fiber woven mesh with epoxy resin, a mold 15 with a reserved bulge and a groove for buckling for pouring the lower half part of the prefabricated multi-cavity fiber woven mesh concrete slab, a poured mortar with chopped fibers mixed outside, a poured lower half part of the prefabricated multi-cavity fiber woven mesh concrete slab, a top mold 18, a hollow square column 19, a cushion block 20 of the aluminum square column and a side mold with a groove 21.
Detailed Description
The present invention will be described in further detail by describing examples of the present invention in detail with reference to the accompanying drawings and technical solutions. It should be understood that the specific examples described herein are intended to be illustrative only and are not intended to be limiting.
Fig. 1 shows a reinforced fiber woven mesh concrete floor slab, which is composed of a prefabricated multi-cavity fiber woven mesh concrete thin plate 6, a cast-in-place fine stone reinforced concrete reinforcing layer 10 and a waterproof leveling layer 11 from bottom to top, and the side views and the sectional views of the floor slab are shown in fig. 2 (a) - (b).
The prefabricated multi-cavity fiber woven mesh concrete sheet consists of fiber woven meshes, chopped fibers and mortar, wherein the preferable types of the fiber woven meshes comprise: carbon fiber, aramid fiber, alkali-resistant glass fiber, basalt fiber, polyethylene fiber, polyvinyl alcohol fiber woven mesh, or fiber woven mesh formed by mixing the above fibers; preferred chopped fibers include: one or more of polyethylene fiber, carbon fiber, glass fiber, basalt fiber, polyvinyl alcohol fiber, aramid fiber and steel fiber; preferred mortar compositions include water, water reducing agents, quartz sand, and other cementitious materials.
The preferable mortar comprises the following components in percentage by mass: water: fly ash: silica fume: water reducing agent: coarse sand: fine sand =1 (0.45-0.55), (0.3-0.36), (0.05-0.1), (0.006-0.01): (0.9-1.0): (1.8-2.0), wherein the particle size ranges of the coarse sand and the fine sand are 0.6-1.2 mm and 0-0.6 mm respectively.
The process of manufacturing the upper fiber woven mesh is as shown in fig. 3 (a) - (e), fixing the fiber woven mesh with required size by a special mould 14, coating epoxy resin on the surface except the bending part, and bending into M shape after curing the epoxy resin for 24h to form the upper fiber woven mesh 1.
Then pouring the prefabricated multi-cavity fiber woven mesh concrete sheet 6, weighing the components of the corresponding mortar according to the mass ratio as shown in figures 4 (a) to (d), adding the chopped fibers after uniformly stirring, and quickly stirring for 4-7min to prepare the mortar doped with the chopped fibers; pouring a layer of mortar 16 doped with chopped fibers in a special mould 15, after trowelling, firstly spreading a layer of lower fiber woven mesh 2 impregnated with epoxy resin, tensioning and fixing, and then pouring a layer of mortar 16 doped with chopped fibers, namely finishing the pouring step of the lower half part 17 of the prefabricated multi-cavity fiber woven mesh concrete sheet.
The pouring steps of the remaining part of the prefabricated multi-cavity fiber woven mesh concrete thin plate are shown in fig. 5 (a) - (c). Trimming the upper M-shaped fiber woven net 1 and placing the trimmed M-shaped fiber woven net on the lower half component 17 after pouring; installing a top die 18, wherein the top die is arranged on the prefabricated multi-cavity fiber woven mesh concrete thin plate to form a cavity 3 with the prefabricated multi-cavity fiber woven mesh concrete thin plate at the lower half part, two hollow square columns 19 with surfaces coated with lubricating oil are respectively and transversely arranged in the cavity, and a cushion block 20 with the same thickness is arranged at the bottoms of the hollow square columns; a side die 21 with a groove is installed, and a closed die cavity is formed between the side die 21 and the top die 18; pouring mortar 16 doped with chopped fibers from the raised fillets on the upper side of the top die 18, and finishing the pouring process of the prefabricated multi-cavity fiber woven mesh concrete sheet 6 after slight vibration; and (4) demolding after the casting and forming are carried out and steam curing is carried out for 2d, and carrying out unified transportation and hoisting after curing is carried out for 28 d. The top mold 18 used is uneven in appearance, and is open at the upper projections while maintaining the necessary lateral connections, as shown in fig. 5 (a).
In the hoisting process, taking the short span direction of the floor as the length direction of the prefabricated multi-cavity fiber concrete thin plate, and fully distributing the hanging type prefabricated multi-cavity fiber woven mesh concrete thin plate on the whole floor layer; the lateral abutted seams between the prefabricated thin plates are connected in a buckling mode 5, as shown in figure 2 (b); transverse steel bars 7 of the floor slab are distributed on the left side and the right side of the cavity; transverse steel bars 8 and longitudinal steel bars 9 of the floor slab are arranged on the upper surface of the cavity in a binding manner; finally, fine stone concrete 10 is poured, and is periodically watered and maintained until the age is reached, as shown in figure 1.
After the construction of the main structure of the floor slab is completed, pouring the mortar 16 doped with fibers and laying a layer of fiber woven mesh 12 on the upper part of the floor slab, and finally pouring the mortar 16 doped with short fibers and plastering and leveling to complete the pouring of the waterproof leveling layer 11, which is the whole pouring process of the reinforced fiber woven mesh concrete floor slab.

Claims (8)

1. A manufacturing method of a reinforced fiber woven mesh concrete floor is characterized by comprising the following steps: the method comprises the following steps:
a. impregnating a fiber woven mesh: fixing the fiber woven mesh, processing the fiber woven mesh by two parts, coating epoxy resin on the surfaces except the part needing to be bent, and respectively using the fiber woven mesh in the lower part and the upper part pouring process after the epoxy resin is cured;
b. preparing mortar: uniformly stirring the mortar, finally adding the chopped fibers, and stirring again to prepare the mortar doped with the chopped fibers;
c. pouring the lower part: pouring a layer of mortar doped with short fibers outside in a mould, after trowelling, firstly paving a layer of lower fiber woven mesh impregnated with epoxy resin, tensioning and fixing the fiber woven mesh, then pouring a layer of mortar doped with short fibers outside, laying fiber woven meshes in a one-layer or repeated cloth multilayer manner, and finishing pouring of the lower part of the prefabricated multi-cavity fiber woven mesh concrete sheet;
d. c, bending the upper fiber woven mesh which is dipped with the epoxy resin except for the part needing to be bent into an M shape, trimming redundant fiber woven meshes on two sides, and placing the fiber woven mesh on the lower prefabricated multi-cavity fiber woven mesh concrete sheet poured in the step c;
e. installing a top die: the top die is M-shaped, is arranged on the prefabricated multi-cavity fiber woven mesh concrete thin plate, forms a cavity with the lower half part of the prefabricated multi-cavity fiber woven mesh concrete thin plate, and inserts the hollow square column into the cavity; side dies with grooves are respectively arranged in front of and behind the top die and the square column, grooves are formed in the surfaces of the side dies, the side dies are consistent with the top die and the square column in contour shape, and the side dies are tightly tightened with the top die to form a closed die cavity;
f. pouring mortar doped with chopped fibers from the raised fillets on the upper side of the top die to form the prefabricated multi-cavity fiber woven mesh concrete sheet;
g. pouring the upper part: laying transverse reinforcing steel bars of the floor slab on the left side and the right side of the cavity, directly laying longitudinal reinforcing steel bars and transverse reinforcing steel bars of the floor slab at the concave-convex parts of the upper surface of the cavity through binding, laying fiber woven meshes impregnated with epoxy resin according to requirements after pouring fine aggregate concrete, and finally pouring mortar doped with short fibers and plastering for leveling, namely finishing pouring of the waterproof leveling layer;
the prefabricated multi-cavity fiber woven mesh concrete thin plate in the floor slab not only serves as a lower protective layer and a tension layer of the floor slab, but also has the function of a template, a template removing procedure is not needed in the construction process, and the floor slab is flat and attractive in appearance and does not need to be hung on a ceiling due to the good fluidity of short fiber mortar doped outside.
2. The method of claim 1, wherein the woven fiber mesh is carbon fiber, aramid fiber, alkali-resistant glass fiber, basalt fiber, polyethylene fiber, polyvinyl alcohol fiber, or a woven fiber mesh formed by mixing the above two materials; the chopped fibers include: one or more of polyethylene fiber, carbon fiber, glass fiber, basalt fiber, polyvinyl alcohol fiber and aramid fiber; the components of the mortar comprise water, a water reducing agent, quartz sand and a cementing material.
3. The method for manufacturing the reinforced fiber woven mesh concrete floor as claimed in claim 1, wherein the length of the chopped fiber is between 5 and 15mm, and the mixing amount is between 0.1 and 1.5 percent; the mortar comprises the following components in percentage by mass: water: fly ash: silica fume: water reducing agent: coarse sand: fine sand =1: (0.45 to 0.55): (0.3 to 0.36): (0.05 to 0.1): (0.006 to 0.01): (0.9 to 1.0): (1.8-2.0), wherein the particle size ranges of the coarse sand and the fine sand are 0.6-1.2mm and 0-0.6 mm respectively.
4. The method of claim 1, wherein the depth of the grooves on the top mold surface is not more than 3mm, and the top of the floor slab is concave-convex after demolding.
5. The reinforced fiber woven mesh concrete floor slab manufactured by the manufacturing method of claim 1 is characterized by comprising a lower prefabricated multi-cavity fiber woven mesh concrete thin slab and an upper fiber woven mesh concrete layer; the prefabricated multi-cavity fiber woven mesh concrete thin plate is formed by pouring a fiber woven mesh, chopped fibers and mortar, the upper part of the prefabricated multi-cavity fiber woven mesh concrete thin plate is of a concave-convex shape, the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate is of a flat plate shape, and cavities are formed in the upper part and the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate;
the fiber woven mesh is arranged inside the prefabricated multi-cavity fiber woven mesh concrete sheet, and the fiber woven mesh is bent into a concave-convex shape matched with the prefabricated multi-cavity fiber woven mesh concrete sheet;
the prefabricated multi-cavity fiber woven mesh concrete thin plate further comprises a top die and a side die, the top die is arranged on the prefabricated multi-cavity fiber woven mesh concrete thin plate, the side dies with grooves are respectively arranged in front of and behind the top die, and the side dies and the top die are tightly tightened to form a closed die cavity;
one or more layers of fiber woven meshes at the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate are horizontally arranged after being tensioned.
6. The reinforced fiber woven mesh concrete floor slab as claimed in claim 5, wherein: the side die is consistent with the outline shapes of the top die and the square column, and grooves are formed in the surface of the side die.
7. The reinforced fiber woven mesh concrete floor slab as claimed in claim 5, wherein: the depth of the fiber woven mesh bent concave-convex shape is not more than 3mm; the thickness of the lower part of the prefabricated multi-cavity fiber woven mesh concrete thin plate is 3-10mm, and the distance between fiber woven mesh layers is 4-8 mm.
8. A method of installing a reinforced fiber-woven mesh concrete floor slab as claimed in claim 5, wherein: the pouring process of the reinforcement type fiber woven mesh concrete floor slab comprises the following steps: taking the short span direction of the floor slab as the length direction of the prefabricated multi-cavity fiber woven mesh concrete thin slab, and hanging the prefabricated multi-cavity fiber woven mesh concrete thin slab to be fully distributed on the whole floor slab; the lateral abutted seam positions between the prefabricated multi-cavity fiber woven mesh concrete thin plates are connected in an embedding and buckling mode, a groove for buckling is formed in the first connecting position, and a protrusion for buckling is formed in the second connecting position.
CN201710059252.5A 2017-01-24 2017-01-24 Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof Active CN106968378B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710059252.5A CN106968378B (en) 2017-01-24 2017-01-24 Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710059252.5A CN106968378B (en) 2017-01-24 2017-01-24 Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof

Publications (2)

Publication Number Publication Date
CN106968378A CN106968378A (en) 2017-07-21
CN106968378B true CN106968378B (en) 2022-11-01

Family

ID=59334952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710059252.5A Active CN106968378B (en) 2017-01-24 2017-01-24 Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof

Country Status (1)

Country Link
CN (1) CN106968378B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110577391B (en) * 2019-09-30 2021-08-27 湖南科技大学 Artemisia selengensis fiber reinforced concrete and preparation method thereof
CN112160480A (en) * 2020-09-22 2021-01-01 湖南弘久建材科技有限公司 Assembly type combined box mold # -shaped hollow floor structure and construction method thereof
CN113354346A (en) * 2021-07-12 2021-09-07 中国铁建重工集团股份有限公司 Concrete containing fiber reinforcement and manufacturing method thereof
CN114412008B (en) * 2022-02-17 2023-09-26 盐城工学院 Metal-free prefabricated cement sheet composite wall
CN115534431A (en) * 2022-10-11 2022-12-30 天津工业大学 Continuous fabric reinforced mortar composite material and preparation method thereof
CN115653173A (en) * 2022-10-25 2023-01-31 四川大学 Take precast concrete heat preservation composite floor that GFRP strengthened

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2751836B2 (en) * 1994-08-12 1998-05-18 鹿島建設株式会社 PC version for floor slab formwork
CN101481930B (en) * 2009-01-22 2012-02-29 大连理工大学 Construction structure for textile reinforced composite reinforced bar concrete and manufacturing method thereof
CN102733536A (en) * 2012-07-06 2012-10-17 杭州固华复合材料科技有限公司 Novel composite insulating thin-wall external wall board and manufacturing method thereof
CN103266760B (en) * 2013-05-14 2015-12-23 浙江大学 A kind of fiber knitted net refinforced cement based composites permanent beam template and preparation method thereof
CN103435308B (en) * 2013-08-13 2015-01-14 中国矿业大学 Composite board and manufacturing method thereof

Also Published As

Publication number Publication date
CN106968378A (en) 2017-07-21

Similar Documents

Publication Publication Date Title
CN106968378B (en) Reinforced fiber woven mesh concrete floor and manufacturing method and mounting method thereof
CN1114738C (en) In-situ cast hollow reinforced concrete slab pre-provided with hollow hard thin-wall members and its construction method
CN112031237A (en) Cast-in-place concrete hollow floor slab embedded type core mold anti-floating fixing device
CN111608308A (en) Distributed three-dimensional factory floor and preparation method
CN113719008A (en) Steel mesh truss hollow nest core plate and construction process
CN109853803B (en) Assembled integral floor slab and manufacturing and installing method
CN108301538B (en) Prefabricated window lower filling wall and construction method thereof
CN204435616U (en) Truss bars double layer fibre gypsum plank, non-dismantling formwork wall body structure
CN109760178B (en) Method for manufacturing assembled integral floor slab
CN100535307C (en) Light mould member for cast-in-situ concrete
CN100501062C (en) Light formwork component for cast-in-situ concrete
CN215670491U (en) Rigid homogeneous external wall panel
CN216239245U (en) Hollow nest core plate of steel mesh truss
CN209760549U (en) One-way multi-ribbed sandwich self-insulation composite floor
CN100501065C (en) Light formwork component for cast-in-situ concrete
CN100434611C (en) Lightweight mould member for cast-in-situ concrete
CN100577948C (en) Light moulding bed component for cast-in-situ concrete
CN1851173B (en) Cast-in-place concrete hollow plate
CN117266410A (en) Prefabricated wallboard
CN113431255A (en) Rigid-bone homogeneous external wall panel and manufacturing process thereof
CN118621948A (en) Light high-strength floor slab, manufacturing method, floor slab connecting structure and construction method
CN100458037C (en) Light matrix member for in-situ cast concrete
CN102400512A (en) Steel bar and foam combined filled member for hollow floor system
CN117027308A (en) Light multifunctional exterior wall decoration integrated large plate
CN100587189C (en) Cast-in-situs concrete light tyre moulding member

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant