CN110761465A - Concrete-engineering bamboo composite floor system - Google Patents
Concrete-engineering bamboo composite floor system Download PDFInfo
- Publication number
- CN110761465A CN110761465A CN201911152125.5A CN201911152125A CN110761465A CN 110761465 A CN110761465 A CN 110761465A CN 201911152125 A CN201911152125 A CN 201911152125A CN 110761465 A CN110761465 A CN 110761465A
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- Prior art keywords
- concrete
- composite floor
- steel
- floor system
- screw
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 57
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 57
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 57
- 241001330002 Bambuseae Species 0.000 title claims abstract description 52
- 239000011425 bamboo Substances 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 11
- 241000209128 Bambusa Species 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000002648 laminated material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 239000008397 galvanized steel Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 11
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 11
- 241000018646 Pinus brutia Species 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000002023 wood Substances 0.000 description 9
- 244000302661 Phyllostachys pubescens Species 0.000 description 3
- 235000003570 Phyllostachys pubescens Nutrition 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 240000007263 Pinus koraiensis Species 0.000 description 1
- 235000011615 Pinus koraiensis Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- -1 high-strength bolts Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a concrete-engineering bamboo combined floor system, which comprises a concrete (1), a steel wire mesh (2), a waterproof layer (3), an Oldham's pine plate (4), a main beam (5), a secondary beam (6), angle steel (7), a high-strength bolt (8), a steel bar (9) and a screw (10), and is characterized in that the concrete (1) is positioned at the top of the floor system, the steel wire mesh (2) is positioned in the concrete (1), the waterproof layer (3) is positioned on the Oldham's pine plate (4), the main beam (5) and the secondary beam (6) are connected through the angle steel (7) and the high-strength bolt (8), the steel bar (9) is positioned between the secondary beams (6), the Oldham's pine plate (4) is connected with the main beam (5) through the screw (10), the Oldham's pine plate (4) is connected with the secondary beam (6) through the screw (10), and the steel bar (9) is connected with the secondary beam, The construction is simple, the waterproof effect is good, can satisfy the operation requirement of modern bamboo structure building.
Description
Technical Field
The invention relates to a concrete-engineering bamboo composite floor system, and belongs to the field of civil construction structures.
Background
Bamboo and wood structures have a long history in traditional buildings in China, and especially in the places where minority nationalities live together, bamboo buildings built by using original bamboos can still be seen up to now. Bamboo resources are abundant in China, and the bamboo is applied to civil engineering, so that the dependence of people on buildings with high energy consumption and high pollution can be reduced, and the living environment of people is improved. In the use process of raw bamboos, the following problems exist: (1) no obvious sign before damage is caused due to the typical brittle failure characteristics of the original bamboo; (2) the untreated raw bamboo is easy to corrode and damage by worms, and the service life of the raw bamboo is influenced; (3) due to the defects of thin and hollow wall, anisotropy and the like of the original bamboo, the selection difficulty is increased, and the large-scale production cannot be formed; (4) the fire resistance of the raw bamboo is poor; (5) the bearing capacity of the original bamboo is influenced by the poor stress in the cross grain direction; (6) the raw bamboo is uneven in material and large in discreteness.
How to improve the mechanical property of the bamboo floor system has become one of the difficult problems in the application aspect of bamboo-wood structure buildings. Therefore, the raw bamboo is necessary to be industrially processed to be made into a novel building material, and other materials are combined to be pressed into a combined floor system, and the defects of the bamboo are made up by using the advantages of the other materials. The engineering bamboo is a building board which is synthesized by processing moso bamboo into bamboo chips with certain size, drying, assembling blanks, gluing, hot pressing and the like. Compared with the original bamboo floor, the concrete-engineering bamboo composite floor has higher bearing capacity, stronger deformation resistance, better durability and heat resistance and very wide market prospect.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problems of the original bamboo floor, the concrete-engineering bamboo composite floor is convenient to construct, simple in structure, economical and environment-friendly, and is applied to modern bamboo-wood structure buildings.
In order to solve the technical problems, the solution proposed by the invention is as follows: a concrete-engineering bamboo composite floor system sequentially comprises concrete, a steel wire mesh, a waterproof layer, an Oldham's pine board, a main beam, a secondary beam, angle steel, high-strength bolts, steel bars and screws from top to bottom. The novel steel bar-type formwork is characterized in that a main beam and secondary beams are connected through angle steel and high-strength bolts, steel bars are arranged between the adjacent secondary beams and connected with the secondary beams through screws, two steel bars between the adjacent secondary beams are connected through spot welding, Oudeno plates are placed on the main beam and the secondary beams and connected with the main beam and the secondary beams through screws, a waterproof layer is paved on the Oudeno plates, concrete is poured on the waterproof layer, and the Oudeno plates take on the function of a formwork.
The basic principle of the invention is as follows: the concrete is poured on the top of the composite floor to ensure the bearing capacity of the composite floor. The steel wire mesh is arranged in the concrete to increase the tensile capacity of the floor system, and the steel wire mesh is arranged after the concrete is poured for half. The waterproof layer is laid on the European pine board to ensure the moisture-proof capability of the composite floor, and the European pine board takes the function of the template. Screws are screwed in the upper parts of the steel bars, so that the secondary beams are connected with the steel bars to play a role of lateral support.
The thickness of the concrete is not more than 80mm, and the density is not more than 1000kg/m3。
The steel wire mesh is formed by weaving galvanized steel wires, the diameter of each steel wire is not less than 0.9mm, and the meshes are not more than 40mm multiplied by 40 mm.
The waterproof layer is made of asphalt coiled materials or polymer waterproof coiled materials, and the thickness of the waterproof layer is not more than 2 mm.
The thickness of the pinus koraiensis plate is not less than 10mm, and the water content is not more than 10%.
The main beam and the secondary beam are made of bamboo laminated materials or recombined bamboos, the Europe pine plate is connected with the main beam through screws, and the Europe pine plate is connected with the secondary beam through screws.
The angle steel is equal-edge angle steel, the thickness of the angle steel is not less than 6mm, and the main beam and the secondary beam are connected through the angle steel and the high-strength bolt.
The high-strength bolt adopts a friction type or pressure bearing type connection mode, the strength grade of the bolt is not lower than 8.8 grade, and the diameter of the bolt is not smaller than 12 cm.
The billet select carbon steel that carbon content is not less than 0.02% for use, the thickness of billet is not less than 5mm, the width of billet is not less than 10mm, the billet passes through bolted connection with the secondary beam, two billets between the adjacent secondary beam adopt spot welding to connect.
The diameter of the screw is not less than 5mm, and the length of the screw is not less than 50 mm.
The invention overcomes the defects of the original bamboo floor, and has the following obvious effects:
(1) the bamboo wood has high growth speed, is a renewable building material, and is more energy-saving and environment-friendly when in use.
(2) The engineering bamboo has light weight, high strength, stable mechanical performance, higher bearing capacity and higher stability compared with the original bamboo material.
(3) The tensile property of bamboo and steel wire meshes and the compressive property of concrete are fully utilized, so that the concrete-engineering bamboo floor combined cover has higher bearing capacity and deformation resistance.
(4) The bamboo wood has certain moisture-proof and corrosion-resistant performance after being processed, and steel materials such as steel wires, angle steel high-strength bolts, screws and the like have good oxidation resistance after being galvanized, so that the durability of the concrete-engineering bamboo composite floor system is greatly improved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
FIG. 1 is a schematic structural diagram of the present invention
In the figure: 1. concrete, 2. steel wire mesh, 3. waterproof layer, 4. Oudersop board, 5. main beam, 6. secondary beam, 7. angle steel, 8. high-strength bolt, 9. steel bar, 10. screw
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. As shown in fig. 1, the invention provides a concrete-engineering bamboo composite floor, which is formed by pressing concrete, a steel wire mesh, a waterproof layer, an ousong board, a main beam, a secondary beam, angle steel, a high-strength bolt, a steel bar and a screw together. In the component, a main beam and a secondary beam are connected through angle steel and high-strength bolts. Set up the billet between adjacent secondary beam, two billets between adjacent secondary beam are through spot welding connection. The steel bars are connected with the secondary beam through screws, the Oldham's boards are arranged above the main beam and the secondary beam and connected with the main beam and the secondary beam through screws, waterproof layers are paved on the Oldham's boards, concrete is poured after paving, after half of pouring, the steel wire mesh is placed, and the rest concrete is poured after placing.
In the concrete-engineering bamboo floor member, the main beam and the secondary beam are made of large-diameter moso bamboos with the bamboo age of more than 3 years as raw materials, and the moso bamboos are industrially processed into bamboo laminated materials or recombined bamboos.
The Ou pine board is made up by using small-diameter wood, intermediate cut wood and wood core as raw material through the processes of deoiling, drying, gluing, directional paving and hot-press forming, etc., and its water content is not more than 15%.
When the screw is screwed into the main beam and the secondary beam from the Oldham's board, the edge distance is not less than 20mm, so that the main beam and the secondary beam are prevented from splitting.
And for the concrete-engineering bamboo composite floor member, concrete is manufactured according to the mixing proportion strictly, and after pouring is finished, maintenance is carried out under standard conditions, wherein the maintenance time lasts for 21-28 d.
Example 1: selecting bamboo laminated wood with the thickness of 95mm and the height of 500mm as a main beam and a secondary beam, weaving steel wires with the diameter of 0.9mm into a steel wire mesh, wherein the mesh is 30mm multiplied by 30mm, performing spot welding and then galvanizing, and performing galvanizing by adopting a hot-dip coating process, wherein the galvanizing amount is 125g/m2The concrete pouring thickness is 80mm, and the density is 1000kg/m3The Europe pine board thickness is 10mm, and the waterproof layer is asphalt coiled material, and thickness is 2mm, and angle steel, billet, high strength bolt, screw surface galvanization, angle steel and screw material grade are Q345, and the angle steel is equilateral angle steel, and thickness is 6mm, and high strength bolt performance grade is 8.8, adopts friction type connected mode, and the billet is 5mm thick, wide 20mm, screw diameter 10mm, length 50 mm.
Claims (10)
1. The utility model provides a concrete-engineering bamboo composite floor, including concrete (1), wire net (2), waterproof layer (3), ousong board (4), girder (5), secondary beam (6), angle steel (7), high strength bolt (8), billet (9), screw (10), its characterized in that concrete (1) is located the superstructure top, wire net (2) are located concrete (1), waterproof layer (3) are located ousong board (4), girder (5) are connected through angle steel (7) and high strength bolt (8) with secondary beam (6), billet (9) are located between secondary beam (6), ousong board (4) are connected through screw (10) with girder (5), ousong board (4) are connected through screw (10) with secondary beam (6), billet (9) are connected through screw (10) with secondary beam (6).
2. The concrete-engineering bamboo composite floor system as claimed in claim 1, wherein the thickness of the concrete (1) is not more than 80mm, and the density is not more than 1000kg/m3。
3. The concrete-engineering bamboo composite floor system according to claim 1, wherein the steel wire mesh (2) is formed by weaving galvanized steel wires, the diameter of each steel wire is not less than 0.9mm, and the mesh is not more than 40mm x 40 mm.
4. The concrete-engineering bamboo composite floor system according to claim 1, wherein the waterproof layer (3) is made of asphalt coiled material or polymer waterproof coiled material, and the thickness of the waterproof layer (3) is not more than 2 mm.
5. The concrete-engineering bamboo composite floor system according to claim 1, wherein the thickness of the europaea boards (4) is not less than 10mm, and the water content is not more than 10%.
6. The concrete-engineering bamboo composite floor system according to claim 1, wherein the main beam (5) and the secondary beam (6) are made of bamboo laminated materials or recombined bamboos, the Europa level (4) is connected with the main beam (5) through a screw (10), and the Europa level (4) is connected with the secondary beam (6) through a screw (10).
7. The concrete-engineering bamboo composite floor system according to claim 1, wherein the angle steel (7) is equal angle steel, the thickness of the angle steel (7) is not less than 6mm, and the main beam (5) and the secondary beam (6) are connected through the angle steel (7) and the high-strength bolt (8).
8. The concrete-engineering bamboo composite floor system according to claim 1, wherein the high-strength bolts (8) are connected in a friction type or pressure bearing type manner, the strength grade is not lower than 8.8 grade, and the diameter is not smaller than 12 cm.
9. The concrete-engineering bamboo composite floor system according to claim 1, wherein the steel bars (9) are made of carbon steel with carbon content not less than 0.02%, the thickness of the steel bars (9) is not less than 5mm, the width of the steel bars (9) is not less than 10mm, the steel bars (9) are connected with the secondary beams (6) through screws (10), and two steel bars (9) between adjacent secondary beams (6) are connected by spot welding.
10. The concrete-engineering bamboo composite floor system according to claim 1, wherein the diameter of the screw (10) is not less than 5mm, and the length of the screw is not less than 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152125.5A CN110761465A (en) | 2019-11-18 | 2019-11-18 | Concrete-engineering bamboo composite floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152125.5A CN110761465A (en) | 2019-11-18 | 2019-11-18 | Concrete-engineering bamboo composite floor system |
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| Publication Number | Publication Date |
|---|---|
| CN110761465A true CN110761465A (en) | 2020-02-07 |
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| CN201911152125.5A Pending CN110761465A (en) | 2019-11-18 | 2019-11-18 | Concrete-engineering bamboo composite floor system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203066259U (en) * | 2013-01-22 | 2013-07-17 | 扬州工业职业技术学院 | Primary and secondary beam double angle iron node connection of recombinant bamboo frame structure |
| CN108316529A (en) * | 2018-04-12 | 2018-07-24 | 南京林业大学 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
| CN108374516A (en) * | 2018-04-07 | 2018-08-07 | 南京林业大学 | A kind of profiled sheet-raw bamboo-concrete combined floor and its manufacturing method |
| CN109838020A (en) * | 2019-03-05 | 2019-06-04 | 中国林业科学研究院木材工业研究所 | A kind of kitchen, use in toilet bamboo tower plate |
| US20190226196A1 (en) * | 2018-01-19 | 2019-07-25 | Resource Fiber LLC | Laminated bamboo platform and concrete composite slab system |
| CN211286216U (en) * | 2019-11-18 | 2020-08-18 | 南京林业大学 | Concrete-engineering bamboo composite floor system |
-
2019
- 2019-11-18 CN CN201911152125.5A patent/CN110761465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203066259U (en) * | 2013-01-22 | 2013-07-17 | 扬州工业职业技术学院 | Primary and secondary beam double angle iron node connection of recombinant bamboo frame structure |
| US20190226196A1 (en) * | 2018-01-19 | 2019-07-25 | Resource Fiber LLC | Laminated bamboo platform and concrete composite slab system |
| CN108374516A (en) * | 2018-04-07 | 2018-08-07 | 南京林业大学 | A kind of profiled sheet-raw bamboo-concrete combined floor and its manufacturing method |
| CN108316529A (en) * | 2018-04-12 | 2018-07-24 | 南京林业大学 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
| CN109838020A (en) * | 2019-03-05 | 2019-06-04 | 中国林业科学研究院木材工业研究所 | A kind of kitchen, use in toilet bamboo tower plate |
| CN211286216U (en) * | 2019-11-18 | 2020-08-18 | 南京林业大学 | Concrete-engineering bamboo composite floor system |
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