CN112627414A - Assembled engineering bamboo-lightweight concrete sandwich floor and construction method - Google Patents

Assembled engineering bamboo-lightweight concrete sandwich floor and construction method Download PDF

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Publication number
CN112627414A
CN112627414A CN202011410950.3A CN202011410950A CN112627414A CN 112627414 A CN112627414 A CN 112627414A CN 202011410950 A CN202011410950 A CN 202011410950A CN 112627414 A CN112627414 A CN 112627414A
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CN
China
Prior art keywords
slab
engineering bamboo
bamboo
sandwich floor
secondary beam
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CN202011410950.3A
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Chinese (zh)
Inventor
陈志华
马睿
杜颜胜
王小盾
马甲
艾蕊
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Tianjin University
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Tianjin University
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Priority to CN202011410950.3A priority Critical patent/CN112627414A/en
Publication of CN112627414A publication Critical patent/CN112627414A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • E04B5/04Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement

Abstract

The invention provides an assembled engineering bamboo-lightweight concrete sandwich floor slab, which comprises a prefabricated sandwich floor slab single body, secondary beams, engineering bamboo connecting plates, thin-wall angle steel, plate nails and self-tapping screws. The prefabricated sandwich floor slab comprises a T-shaped light concrete slab, an upper surface engineering bamboo slab and a lower tensile engineering bamboo slab, wherein the upper surface engineering bamboo slab and the lower tensile engineering bamboo slab have the same width as a web plate of the T-shaped light concrete slab, the upper surface engineering bamboo slab and the lower tensile engineering bamboo slab are fixedly connected in a structural adhesive bonding mode, and the long edge direction of the upper surface engineering bamboo slab and the long edge direction of the lower tensile engineering bamboo slab are consistent with the grain direction of bamboo; the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through the engineering bamboo connecting plates and the plate nails nailed at intervals, and the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through thin-wall angle steel and self-tapping screws. The invention also provides a construction method of the floor slab.

Description

Assembled engineering bamboo-lightweight concrete sandwich floor and construction method
Technical Field
The invention belongs to the technical field of building structure engineering, and particularly relates to an assembled engineering bamboo-lightweight concrete sandwich floor structure and a construction method thereof.
Background
Global warming, which has been the result of recent over 150 years of industrial development, has caused irreversible damage to ecosystems and earth climate systems. The building industry is the key field of global carbon emission reduction, the energy consumption of the building industry accounts for 36 percent of the global energy consumption, and the building industry has important influence on the world sustainable development and the climate change. Therefore, low-carbon, green and ecological buildings have become the mainstream trend of building development.
The bamboo material is a carbon negative material and can absorb a large amount of CO in the growth process2Meanwhile, the bamboo has high growth speed, short wood forming period and strong regeneration capacity, and can effectively reduce CO when used as a building material2And (5) discharging. China has rich bamboo resources, the variety of bamboos is about 39 and more than 500, the bamboo accounts for more than 30% of the bamboo variety in the world, the total area of the bamboo forest is about 601 ten thousand hectares, and the bamboo forest occupies the top of the world. Bamboo structures have received increasing attention.
The invention patent with publication number CN 108360720A discloses a net-shaped original bamboo skeleton-lightweight aggregate concrete composite floor slab. The combined floor slab replaces the reinforcing steel bars by the net-shaped original bamboo frameworks, overcomes the defects of the common reinforced concrete floor slab, but has complex binding process of the original bamboo frameworks and is difficult to assemble.
The invention patent with publication number CN 108222348A discloses a raw bamboo concrete composite floor slab and a pouring method thereof. The composite floor slab is characterized in that a plurality of bamboo stalks with semicircular cross sections and arranged side by side are connected into a bamboo raft, a plurality of connecting steel bars are vertically arranged above the bamboo raft and are fixed, and then concrete is poured into the bamboo stalks. The composite floor slab fully exerts the characteristics of tension of original bamboo and compression of concrete, but the concrete needs to be poured in situ, which may cause great environmental pollution.
The above patents all adopt raw bamboo and concrete materials to form a composite floor slab, but the raw bamboo is a natural biomass material, has the problems of moth eating, mildew and the like, and has poor durability. Meanwhile, the floor slab manufactured by adopting a concrete cast-in-place mode is easy to cause environmental pollution. The engineering bamboo is an engineering composite material formed by combining bamboo units and adhesives through certain physical and chemical means, can effectively improve the properties of bamboo, has standard specification and excellent mechanical property, and is convenient for manufacturing an assembled structural member. The light concrete slab is a mature industrialized product with stable structure, light weight, high strength and good sound-insulating and fireproof performance, and has mature process, low cost and easy assembly. The engineering bamboo material is combined with the lightweight concrete slab, or the problems of the prior bamboo-concrete combined floor slab can be effectively solved.
Disclosure of Invention
The invention aims to provide an assembled engineering bamboo-lightweight concrete sandwich floor slab and a specific construction method thereof. The novel sandwich composite floor slab can give full play to the characteristics of engineering bamboo materials and light concrete materials, is low in cost and easy to assemble, and is a composite floor slab integrating bearing and decoration. The technical scheme of the invention is as follows:
an assembled engineering bamboo-lightweight concrete sandwich floor slab comprises a prefabricated sandwich floor slab single body, secondary beams, engineering bamboo connecting plates, thin-wall angle steel, plate nails and self-tapping screws. Wherein the content of the first and second substances,
the prefabricated sandwich floor slab single body comprises a T-shaped light concrete slab, an upper surface engineering bamboo slab and a lower tensile engineering bamboo slab which are as wide as a web plate of the T-shaped light concrete slab, the upper surface engineering bamboo slab and the lower tensile engineering bamboo slab are fixedly connected in a structural adhesive bonding mode, and the long edge direction of the upper surface engineering bamboo slab and the long edge direction of the lower tensile engineering bamboo slab are consistent with the grain direction of bamboo;
the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through an engineering bamboo connecting plate and plate nails nailed at intervals, and the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through thin-wall angle steel and self-tapping screws; one limb of the thin-wall angle steel is coincided with the side surface of the secondary beam, and the other limb of the thin-wall angle steel is coincided with the lower side of the prefabricated sandwich floor slab monomer.
Furthermore, the material of the engineering bamboo connecting plate is consistent with that of the upper covering engineering bamboo plate and the lower tensile engineering bamboo plate, the length and the width of the engineering bamboo connecting plate are consistent with those of the secondary beam, and the thickness of the engineering bamboo connecting plate is the same as that of the upper covering engineering bamboo plate. The limb length of the thin-wall angle steel is not more than the distance from the lower side of the single prefabricated sandwich floor slab to the bottom of the secondary beam, and the length of the thin-wall angle steel is the same as that of the secondary beam. The T-shaped light concrete plate is made of an autoclaved aerated concrete plate, a foam concrete plate or a ceramsite concrete plate. The upper surface engineering bamboo board and the lower tensile engineering bamboo board are made of laminated bamboo boards, glued bamboo boards or recombined bamboo boards.
The construction method of the lightweight concrete sandwich floor slab is characterized by comprising the following steps:
(1) prefabricating a sandwich floor slab monomer: the long edge direction of the upper cladding engineering bamboo board and the lower tensile engineering bamboo board is consistent with the grain direction of the bamboo. Coating epoxy resin structural adhesive on the upper flange surface and the lower surface of a web of the T-shaped light concrete slab, then laying and compacting short edges of the upper-surface engineering bamboo slab and the lower-part tension engineering bamboo slab in alignment with the edge of the web of the T-shaped light concrete slab, standing at normal temperature until the structural adhesive reaches the strength, and forming a prefabricated sandwich floor slab monomer;
(2) placing prefabricated sandwich floor single bodies on two sides of the secondary beam in sequence, laying engineering bamboo connecting plates between the prefabricated sandwich floor single bodies on the two sides of the secondary beam, and connecting the secondary beam and the prefabricated sandwich floor single bodies on the two sides of the secondary beam at the upper parts through the engineering bamboo connecting plates and plate nails nailed at regular intervals; the length of the plate nail is larger than the sum of the thickness of the flange of the T-shaped lightweight concrete plate and the thickness of the upper surface engineering bamboo plate, so that the plate nail can be driven into the secondary beam, and the reliable connection of the secondary beam and the single prefabricated sandwich floor is guaranteed.
The invention can achieve the following beneficial effects:
1. the sandwich floor slab provided by the invention is made of light green environment-friendly materials, has good stress performance and can effectively reduce the self weight of the structure. The two materials are combined, so that the advantages of attractive appearance, good tension performance, high compressive strength of lightweight concrete and good heat preservation, heat insulation and sound insulation performance of the engineering bamboo are fully exerted. Meanwhile, the cost and the manufacturing cost of the two materials are low, and the popularization and the use in village and town houses are facilitated.
2. The tensile engineering bamboo board is arranged at the lower part of the light concrete board, so that the good tensile property of the engineering bamboo can be fully exerted, the cracking problem of the light concrete board can be effectively improved while no reinforcing steel bar is arranged, and the bearing capacity of the composite floor slab is improved. An upper cladding engineering bamboo board is arranged on the upper part of the lightweight concrete board, so that the prefabricated sandwich floor slabs can be conveniently connected through board nails. Meanwhile, the engineering bamboo board has good wear resistance and the appearance of ecological materials, can be directly used as a floor after construction, and does not need additional decoration treatment. The sandwich floor slab provided by the invention is a novel composite floor slab with the integrated effect of bearing and decoration.
3. The sandwich floor single body provided by the invention can be prefabricated in a factory, and the specification and the quality can be well ensured. When the sandwich floor is installed on site, the sandwich floor single bodies are only required to be sequentially lapped on the secondary beam and are assembled and connected through the connection engineering bamboo boards, the thin-wall angle steels, the board nails and the self-tapping screws, the construction and installation are simple and convenient, the difficulty is low, the requirement on the professional performance of workers is low, and the sandwich floor is suitable for the construction of village and town houses.
Drawings
FIG. 1 is a schematic view of an installed engineering bamboo-lightweight concrete sandwich floor slab;
FIG. 2 is a structural diagram of a prefabricated sandwich floor slab single body 1;
FIG. 3 is a front view of an installed engineering bamboo-lightweight concrete sandwich floor slab;
FIG. 4 is a side view of an installed engineered bamboo-lightweight concrete sandwich floor slab;
FIG. 5 is a top view of an installed engineering bamboo-lightweight concrete sandwich floor slab;
fig. 6 is a cross-sectional view a-a corresponding to fig. 5.
Fig. 7 is a partial sectional view B corresponding to fig. 6.
The reference numbers in the figures illustrate: 1-prefabricated sandwich floor single body, 11-upper surface engineering bamboo board, 12-T-shaped light concrete board, 13-lower part tension engineering bamboo board, 2-secondary beam, 3-engineering bamboo connecting board, 4-thin wall angle steel, 5-board nail and 6-self-tapping screw.
Detailed Description
The embodiments of the invention will be further described with reference to the accompanying drawings in which:
referring to fig. 1, 3, 4 and 5, the invention provides an assembled engineering bamboo-lightweight concrete sandwich floor slab, which comprises a prefabricated sandwich floor slab single body 1, secondary beams 2, engineering bamboo connecting plates 3, thin-wall angle steel 4, plate nails 5 and self-tapping screws 6 which are sequentially arranged. The prefabricated sandwich floor single body 1 is formed by bonding structural adhesives in a factory, the engineering bamboo connecting plates 3 are prefabricated in the factory according to the width of the secondary beams 2, and the materials of the engineering bamboo connecting plates 3 are consistent with those of the upper-covering engineering bamboo plate 11 and the lower-part tension engineering bamboo plate 13. The prefabricated sandwich floor single bodies 1 on the two sides of the secondary beam 2 are connected through the engineering bamboo connecting plates 3 and the plate nails 5, and the secondary beam 2 is connected with the prefabricated sandwich floor single bodies 1 on the two sides through thin-wall angle steel 4 and self-tapping screws 6.
Referring to fig. 2, the prefabricated sandwich floor slab unit 1 is composed of an upper surface engineering bamboo board 11, a T-shaped light concrete board 12 and a lower tensile engineering bamboo board 13. The long side direction of the upper cladding engineering bamboo board 11 and the lower tensile engineering bamboo board 13 is consistent with the bamboo grain direction. And (2) coating epoxy resin structural adhesive on the surface of the upper flange of the T-shaped light concrete slab 12 and the lower surface of the web plate, then laying and compacting the short sides of the upper surface engineering bamboo slab 11 and the lower tension engineering bamboo slab 13 in alignment with the edge of the web plate of the T-shaped light concrete slab, standing at normal temperature until the structural adhesive reaches the strength, and forming the prefabricated sandwich floor slab monomer 1.
Referring to fig. 3, during on-site installation, the secondary beam 2 and the prefabricated sandwich floor single bodies 1 on two sides of the secondary beam are connected at the upper part through the engineering bamboo connecting plate 3 and the plate nails 5 nailed at regular intervals. The length and the width of the engineering bamboo connecting plate 3 are consistent with those of the secondary beam 2, and the thickness of the engineering bamboo connecting plate 3 is the same as that of the upper engineering bamboo plate 11.
Referring to fig. 4, during on-site installation, the secondary beam 2 and the prefabricated sandwich floor single bodies 1 on two sides of the secondary beam are connected at the beam side through thin-wall angle steel 4 and self-tapping screws 6 screwed into two limbs of the thin-wall angle steel 4 at certain intervals. One limb of the thin-wall angle steel 4 is coincided with the side surface of the secondary beam 2, and the other limb is coincided with the lower side of the prefabricated sandwich floor slab single body 1. The limb length of the thin-wall angle steel 4 is not more than the distance from the lower side of the single prefabricated sandwich floor slab 1 to the bottom of the secondary beam 2. The length of the thin-wall angle steel 4 is the same as that of the secondary beam 2.
Referring to fig. 5, prefabricated sandwich floor single bodies 1 are sequentially placed on two sides of a secondary beam 2, an engineering bamboo connecting plate 3 is laid between the prefabricated sandwich floor single bodies 1 on the two sides, the long edge of the engineering bamboo connecting plate 3 is parallel to the long edge of the secondary beam 2, and then 2 rows of plate nails 5 are driven into the engineering bamboo connecting plate 3 at regular intervals along the long edge direction.
Referring to fig. 6 and 7, the prefabricated sandwich floor single bodies 1 sequentially laid along the long edges of the secondary beams 2 are reliably connected with the secondary beams 2 through the engineering bamboo connecting plates 3 and the plate nails 5, the thin-wall angle steels 4 and the self-tapping screws 6. The length of the plate nail 5 is larger than the sum of the thickness of the flange of the T-shaped lightweight concrete plate 12 and the thickness of the upper surface engineering bamboo plate 11, so that the plate nail 5 can be driven into the secondary beam 2, and the secondary beam 2 is reliably connected with the prefabricated sandwich floor slab single body 1.
The construction method comprises the following steps:
(1) prefabricating a sandwich floor single body 1, cutting an engineering bamboo plate with the thickness of 15mm into a single engineering bamboo plate with the size of 600mm multiplied by 1800mm according to a design drawing as an upper surface engineering bamboo plate 1, cutting an engineering bamboo plate with the thickness of 25mm into a single engineering bamboo plate with the size of 600mm multiplied by 1800mm as a lower surface tension engineering bamboo plate 13, and ensuring that the long edge direction of the upper surface engineering bamboo plate 11 and the lower surface tension engineering bamboo plate 13 is consistent with the grain following direction of the engineering bamboo during cutting. A lightweight concrete slab of 100mm thickness without reinforcing bars was cut into T-shaped panels 12 of 600mm length with the dimensions of the upper flange of the T1800 mm x 25mm and the dimensions of the web 1700mm x 75 mm. And coating epoxy resin structural adhesive on the upper flange surface of the T-shaped light concrete slab 12 and the lower surface of the web plate, and then laying and compacting the short sides of the upper-surface engineering bamboo slab 11 and the lower-part tensile engineering bamboo slab 13 in alignment with the edge of the web plate of the T-shaped light concrete slab. Standing at normal temperature until the structural adhesive is completely solidified.
(2) Prefabricating the engineering bamboo connecting plate 3, cutting the engineering bamboo plate with the thickness of 15mm into a single engineering bamboo plate with the size of 100mm multiplied by 1800mm as the engineering bamboo connecting plate 3, and ensuring that the short edge direction of the engineering bamboo connecting plate 3 is consistent with the grain direction of bamboo during cutting.
(3) The field installation method comprises the following steps:
step 1: and sequentially installing the sandwich floor single bodies 1 along the two sides of the secondary beam 2.
Step 2: laying an engineering bamboo connecting plate 3 at the joint of the single sandwich floor slabs 1 on the upper part of the secondary beam 2, keeping the long edge of the engineering bamboo connecting plate 3 consistent with the length direction of the secondary beam 2, and driving plate nails 5 with the diameter of 3mm from the upper part of the engineering bamboo connecting plate 3 to fix the adjacent single sandwich floor slabs 1 and the secondary beam 2, wherein the row spacing of the plate nails is 100mm, and the column spacing is 50 mm.
And step 3: equal-limb thin-wall angle steel 4 with the cross section size of 25mm multiplied by 3mm and the length of 1800mm is arranged at the position where the lower part of the single sandwich floor slab 1 is contacted with the secondary beam 2, one limb of the thin-wall angle steel 4 is coincided with the side surface of the secondary beam 2, and the other limb is coincided with the lower side of the single prefabricated sandwich floor slab 1. And self-tapping screws 4 with the diameter of 3mm are screwed into the superposed surfaces of the thin-wall angle steels 4 and the secondary beams 2 and the superposed surfaces of the thin-wall angle steels 4 and the single sandwich floor 1 every 200mm, so that the single sandwich floor 1 and the secondary beams 2 are reliably connected.
And 4, step 4: and after the installation according to the steps, completing the assembly construction of the engineering bamboo-lightweight concrete sandwich floor slab.

Claims (6)

1. An assembled engineering bamboo-lightweight concrete sandwich floor slab comprises a prefabricated sandwich floor slab single body, secondary beams, engineering bamboo connecting plates, thin-wall angle steel, plate nails and self-tapping screws. Wherein the content of the first and second substances,
the prefabricated sandwich floor slab single body comprises a T-shaped light concrete slab, an upper surface engineering bamboo slab and a lower tensile engineering bamboo slab which are as wide as a web plate of the T-shaped light concrete slab, the upper surface engineering bamboo slab and the lower tensile engineering bamboo slab are fixedly connected in a structural adhesive bonding mode, and the long edge direction of the upper surface engineering bamboo slab and the long edge direction of the lower tensile engineering bamboo slab are consistent with the grain direction of bamboo;
the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through an engineering bamboo connecting plate and plate nails nailed at intervals, and the secondary beam is connected with the prefabricated sandwich floor single bodies on the two sides of the secondary beam through thin-wall angle steel and self-tapping screws; one limb of the thin-wall angle steel is coincided with the side surface of the secondary beam, and the other limb of the thin-wall angle steel is coincided with the lower side of the prefabricated sandwich floor slab monomer.
2. The light weight concrete sandwich floor slab as claimed in claim 1, wherein the engineering bamboo connecting plates are made of the same material as the upper surface engineering bamboo plate and the lower tensile engineering bamboo plate, the length and width of the engineering bamboo connecting plates are the same as those of the secondary beams, and the thickness of the engineering bamboo connecting plates is the same as that of the upper surface engineering bamboo plate.
3. The lightweight concrete sandwich floor as claimed in claim 1, wherein the limb length of the thin wall angle steel is not greater than the distance from the lower side of the prefabricated sandwich floor unit to the bottom of the secondary beam, and the length of the thin wall angle steel is the same as the length of the secondary beam.
4. The light weight concrete sandwich floor slab of claim 1, wherein the T-shaped light weight concrete slab is made of autoclaved aerated concrete slabs, foam concrete slabs or ceramsite concrete slabs.
5. The light weight concrete sandwich floor slab of claim 1, wherein the upper and lower tensile engineered bamboo slabs are laminated, glued or reformed bamboo slabs.
6. The method for constructing a lightweight concrete sandwich floor as claimed in any one of claims 1 to 3, comprising the steps of:
(1) prefabricating a sandwich floor slab monomer: the long edge direction of the upper cladding engineering bamboo board and the lower tensile engineering bamboo board is consistent with the grain direction of the bamboo. Coating epoxy resin structural adhesive on the upper flange surface and the lower surface of a web of the T-shaped light concrete slab, then laying and compacting short edges of the upper-surface engineering bamboo slab and the lower-part tension engineering bamboo slab in alignment with the edge of the web of the T-shaped light concrete slab, standing at normal temperature until the structural adhesive reaches the strength, and forming a prefabricated sandwich floor slab monomer;
(2) placing prefabricated sandwich floor single bodies on two sides of the secondary beam in sequence, laying engineering bamboo connecting plates between the prefabricated sandwich floor single bodies on the two sides of the secondary beam, and connecting the secondary beam and the prefabricated sandwich floor single bodies on the two sides of the secondary beam at the upper parts through the engineering bamboo connecting plates and plate nails nailed at regular intervals; the length of the plate nail is larger than the sum of the thickness of the flange of the T-shaped lightweight concrete plate and the thickness of the upper surface engineering bamboo plate, so that the plate nail can be driven into the secondary beam, and the reliable connection of the secondary beam and the single prefabricated sandwich floor is guaranteed.
CN202011410950.3A 2020-12-04 2020-12-04 Assembled engineering bamboo-lightweight concrete sandwich floor and construction method Pending CN112627414A (en)

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Application Number Priority Date Filing Date Title
CN202011410950.3A CN112627414A (en) 2020-12-04 2020-12-04 Assembled engineering bamboo-lightweight concrete sandwich floor and construction method

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201377171Y (en) * 2009-01-21 2010-01-06 中国林业科学研究院木材工业研究所 Abrasion-resistant concrete template
US20110151172A1 (en) * 2008-08-22 2011-06-23 Wansi Fu Prestress structural material formed by reorganization with polygonal original bamboo and the manufacturing method
CN202689311U (en) * 2012-05-15 2013-01-23 浙江杭萧钢构股份有限公司 Autoclaved aerated concrete composite wall plate
CN108643429A (en) * 2018-05-23 2018-10-12 北京工业大学 A kind of height-adjustable assembled laminated floor slab
CN108661224A (en) * 2018-05-23 2018-10-16 中铁建设集团有限公司 A kind of height-adjustable assembly concrete laminated floor slab
CN108661225A (en) * 2018-05-23 2018-10-16 北京工业大学 A kind of height-adjustable precast concrete laminated floor slab
CN109113227A (en) * 2018-10-10 2019-01-01 南京林业大学 A kind of bamboo-air entrained concrete assembled wall board
CN109339321A (en) * 2018-10-10 2019-02-15 河北水利电力学院 A kind of damping standard prefabricated well format floor construction system convenient for construction
CN208918083U (en) * 2018-10-10 2019-05-31 南京林业大学 A kind of sandwich aerated concrete wall panel of bamboo
CN209040276U (en) * 2018-10-25 2019-06-28 青岛建设集团有限公司 The connecting node of assembled floor and main structure
CN210152069U (en) * 2019-05-23 2020-03-17 中建二局安装工程有限公司 Assembled high-rise steel structure residential system
CN111734027A (en) * 2020-07-16 2020-10-02 浙江大学 Foam steel floor slab with fixing structure and fixing method

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110151172A1 (en) * 2008-08-22 2011-06-23 Wansi Fu Prestress structural material formed by reorganization with polygonal original bamboo and the manufacturing method
CN201377171Y (en) * 2009-01-21 2010-01-06 中国林业科学研究院木材工业研究所 Abrasion-resistant concrete template
CN202689311U (en) * 2012-05-15 2013-01-23 浙江杭萧钢构股份有限公司 Autoclaved aerated concrete composite wall plate
CN108643429A (en) * 2018-05-23 2018-10-12 北京工业大学 A kind of height-adjustable assembled laminated floor slab
CN108661224A (en) * 2018-05-23 2018-10-16 中铁建设集团有限公司 A kind of height-adjustable assembly concrete laminated floor slab
CN108661225A (en) * 2018-05-23 2018-10-16 北京工业大学 A kind of height-adjustable precast concrete laminated floor slab
CN109113227A (en) * 2018-10-10 2019-01-01 南京林业大学 A kind of bamboo-air entrained concrete assembled wall board
CN109339321A (en) * 2018-10-10 2019-02-15 河北水利电力学院 A kind of damping standard prefabricated well format floor construction system convenient for construction
CN208918083U (en) * 2018-10-10 2019-05-31 南京林业大学 A kind of sandwich aerated concrete wall panel of bamboo
CN209040276U (en) * 2018-10-25 2019-06-28 青岛建设集团有限公司 The connecting node of assembled floor and main structure
CN210152069U (en) * 2019-05-23 2020-03-17 中建二局安装工程有限公司 Assembled high-rise steel structure residential system
CN111734027A (en) * 2020-07-16 2020-10-02 浙江大学 Foam steel floor slab with fixing structure and fixing method

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